CN211994653U - Gold stamping device and ink-jet gold stamping integrated production line - Google Patents

Gold stamping device and ink-jet gold stamping integrated production line Download PDF

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Publication number
CN211994653U
CN211994653U CN202020335790.XU CN202020335790U CN211994653U CN 211994653 U CN211994653 U CN 211994653U CN 202020335790 U CN202020335790 U CN 202020335790U CN 211994653 U CN211994653 U CN 211994653U
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China
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gold stamping
printing medium
ink
paper
conveying
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CN202020335790.XU
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Chinese (zh)
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覃勇
何凯
胡标文
孟祥俊
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Dongguan Tuchuang Intelligent Manufacturing Co Ltd
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Dongguan Tuchuang Intelligent Manufacturing Co Ltd
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Abstract

The utility model belongs to the technical field of the gilt of ink jet, it is great with the contained angle between the print medium before the gilt roller of gilt paper entering to have solved, influences the problem of the gilt effect of print medium, provides a gilt device and the gilt integration production line of ink jet. The gold stamping device comprises a conveying mechanism, a discharging mechanism, a gold stamping mechanism and a first adjusting mechanism, wherein the conveying mechanism is used for conveying a printing medium; the discharging mechanism is used for discharging the gold stamping paper; the gold stamping mechanism is arranged opposite to the conveying mechanism, and is used for hot stamping the gold stamping layer of the gold stamping paper discharged by the discharging mechanism on the printing medium conveyed by the conveying mechanism; the first adjusting mechanism is used for reducing an included angle between the gilding paper and the printing medium before the gilding paper discharged by the discharging mechanism is gilded by the gilding mechanism. The utility model discloses in set up first adjustment mechanism and reduced the contained angle between gilding paper and the print medium with adjusting gilding paper before by gilding mechanism thermoprint, thereby first adjustment mechanism adjusts above-mentioned contained angle and reduces the gilding effect that improves print medium.

Description

Gold stamping device and ink-jet gold stamping integrated production line
Technical Field
The utility model belongs to the technical field of the gilt technique of inkjet, specifically a gilt device of inkjet and gilt integration production line of inkjet.
Background
The printing medium is subjected to ink jet and curing, and then is subjected to gold stamping on the printing medium, wherein the gold stamping is to transfer the pattern to be subjected to hot stamping onto the surface of the printing medium by adopting a heating and pressurizing method, so that the surface of the printing medium has a golden pattern. The conventional gold stamping equipment generally comprises a gold stamping roller and a bottom roller, wherein a printing medium and gold stamping paper jointly pass through the position between the gold stamping roller and the bottom roller, the gold stamping paper is transferred to the printing medium through pressure between the gold stamping roller and the bottom roller, a discharging roller and a collecting roller are respectively arranged on two sides of the gold stamping roller, the discharging roller is used for storing cylindrical gold stamping paper, and the collecting roller is used for storing used gold stamping paper. The gilding paper is directly fed between the gilding roller and the bottom roller from the feeding roller, and an included angle between the gilding paper and the printing medium before the gilding paper enters the gilding roller is large, so that the gilding effect of the printing medium is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a gilt device and gilt integration production line of inkjet for it is great with the contained angle between the print medium before the solution gilt paper gets into gilt roller, influences the problem of the gilt effect of print medium.
The utility model adopts the technical proposal that:
in a first aspect, the utility model provides a gold stamping device, gold stamping device includes:
a conveying mechanism for conveying a printing medium;
the discharging mechanism is used for discharging the gold stamping paper;
the gold stamping mechanism is arranged opposite to the conveying mechanism and is used for hot stamping the gold stamping layer of the gold stamping paper discharged by the discharging mechanism on the printing medium conveyed by the conveying mechanism;
and the first adjusting mechanism is used for reducing an included angle between the gilding paper and the printing medium before the gilding paper discharged by the discharging mechanism is gilded by the gilding mechanism.
As a preferable scheme of the gold stamping device, the gold stamping device further includes:
and the first tensioning mechanism is used for tensioning the bronzing paper released by the discharging mechanism before the first adjusting mechanism reduces an included angle between the bronzing paper and the printing medium.
As a preferable scheme of the gold stamping device, the gold stamping device further includes:
and the waste material winding mechanism is used for recycling the residual part of the gold stamping mechanism after the gold stamping layer of the gold stamping paper is hot stamped on the printing medium.
As a preferable scheme of the gold stamping device, the gold stamping device further includes:
and the second adjusting mechanism is used for reducing an included angle between the gilding paper and the printing medium after the gilding paper discharged by the discharging mechanism is gilded by the gilding mechanism.
As a preferable scheme of the gold stamping device, the gold stamping device further includes:
and the second tensioning mechanism is used for tensioning the bronzing paper after the bronzing paper discharged by the discharging mechanism reduces an included angle between the bronzing paper and the printing medium by the second adjusting mechanism.
As a preferable scheme of the gold stamping device, the gold stamping device further includes:
and the dustproof mechanism is used for preventing dust from entering the gold stamping device to influence the combination of the gold stamping layer and the printing medium.
As a preferable scheme of the gold stamping device, the gold stamping device further includes:
and the supporting mechanism is arranged opposite to the gold stamping mechanism and is used for supporting the conveying mechanism to convey the printing medium.
As a preferred scheme of the gold stamping device, the material discharging mechanism and the waste material winding mechanism are oppositely arranged at two ends of the gold stamping device and arranged on the supporting mechanism.
As a preferable scheme of the gold stamping device, the gold stamping device further includes:
and the deviation preventing mechanism is used for preventing the position deviation when the conveying mechanism conveys the printing medium.
The second aspect, the utility model provides a gilt integration production line of inkjet, including the gilt device of above-mentioned arbitrary.
To sum up, the utility model has the advantages that:
the embodiment of the utility model provides a set up first adjustment mechanism in gilt device of gilt device and the gilt integration production line of inkjet and reduced the contained angle between gilt paper and the print medium in order to adjust gilt paper before by gilt mechanism thermoprint, thereby first adjustment mechanism adjusts above-mentioned contained angle and reduces the gilt effect that improves print medium.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings, and these drawings are all within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of an inkjet gold stamping integrated production line in an embodiment of the present invention;
fig. 2 is a schematic structural view of a feeding device, a first conveying mechanism and a positioning device in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a feeding device in embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 3;
fig. 6 is a schematic structural view of the first conveying mechanism and the positioning device in embodiment 1 of the present invention;
fig. 7 is a schematic structural view of a first pull gauge in embodiment 1 of the present invention;
FIG. 8 is a cross-sectional view taken at F-F of FIG. 7;
fig. 9 is a schematic structural view of the positioning device according to embodiment 1 of the present invention with the frame and the belt removed;
FIG. 10 is a sectional view taken at H-H in FIG. 6
Fig. 11 is a schematic structural view of the lifting ink jet device, the ink scraping device, and the second conveying mechanism according to embodiment 1 of the present invention;
fig. 12 is a front view of an elevating inkjet apparatus according to embodiment 1 of the present invention;
fig. 13 is a schematic structural view of a first ink cartridge and a second ink cartridge in example 1 of the present invention;
fig. 14 is a schematic structural view of the ink scraping device of embodiment 1 of the present invention without a splash guard or an ink baffle;
fig. 15 is a schematic structural view of the ink scraping device of embodiment 1 of the present invention, in which a splash guard and an ink baffle are provided;
FIG. 16 is a cross-sectional view taken at G-G of FIG. 15;
FIG. 17 is a schematic structural diagram illustrating a first predetermined trace and a second predetermined trace;
fig. 18 is a schematic structural view of an air suction mechanism and a second conveying mechanism in embodiment 1 of the present invention;
fig. 19 is a schematic view of a connection structure of a belt deviation prevention mechanism and a frame in embodiment 4 of the present invention;
FIG. 20 is an enlarged view of a portion of FIG. 19 at E;
fig. 21 is a schematic structural view of a belt deviation preventing mechanism in embodiment 3 of the present invention;
fig. 22 is a schematic perspective view of a belt deviation preventing mechanism in embodiment 3 of the present invention;
fig. 23 is a schematic structural view of a second conveying mechanism, a bridging mechanism, and a third conveying mechanism in embodiment 4 of the present invention;
fig. 24 is a schematic perspective view of a gap bridge mechanism according to embodiment 4 of the present invention;
fig. 25 is a schematic structural view of the gold stamping device and the third conveying mechanism in the embodiment of the present invention;
fig. 26 is a front view of the gold stamping device in the embodiment of the present invention;
fig. 27 is a cross-sectional view taken at D-D in fig. 25.
Parts and numbering in the drawings:
100. a frame;
200. a feeding device; 210. feeding a Feida; 211. a suction nozzle; 220. a lifting platform; 230. a first chain transmission mechanism; 231. a first sprocket; 232. a second sprocket; 233. a third sprocket; 234. a fourth sprocket; 235. a fifth sprocket; 236. a first chain; 240. a second chain transmission mechanism; 241. a sixth sprocket; 242. a seventh sprocket; 243. an eighth sprocket; 244. a ninth sprocket; 245. a second chain; 250. a detection sensor; 260. a first motor; 270. a third chain transmission mechanism; 280. a fourth chain transmission mechanism;
300. a positioning device; 320. a first pull gauge; 311. a pull gauge body; 312. a steel ball; 313. a plastic ball; 314. a handle; 315. a first lead screw; 316. a first guide bar; 317. a retaining ring; 310. a second pull gauge; 330. a cross beam; 331. pressing a plate;
400. an image acquisition device;
500. lifting the ink jet device; 510. a lifting seat; 520. a first fixed seat; 521. a third screw rod; 522. a first guide rail; 530. a second fixed seat; 531. a fourth screw rod; 532. a second guide rail; 540. a circuit board; 550. an ink cartridge; 551. a first ink cartridge; 552. a first heating sheet; 553. a second ink cartridge; 555. a third heating plate; 560. a spray head; 570. a third motor; 571. a connecting plate; 572. a first drive shaft; 573. a second drive shaft;
600. a wiping device; 610. a carrying mechanism; 611. a scraper; 612. a third guide bar; 613. a scraper seat; 614. a fifth motor; 615. a splash-proof net; 616. ink discharging plugs; 617. a residual ink accommodating chamber; 618. a sixth lead screw; 619. an ink baffle plate; 620. a third guide rail; 630. a fourth guide rail;
700. a gold stamping device; 710. a gold stamping roller; 720. a bottom roll; 730. a discharge roller; 740. a scrap collecting roller; 750. a first regulating roller; 760. a second dancer roll; 770. a first tension roller; 780. a second tension roller; 790. gold stamping paper;
800. an air suction mechanism; 810. a wind suction seat; 811. a first negative pressure air cavity; 812. a second negative pressure air cavity; 820. a cover plate; 821. a first gas collecting hole; 822. a second gas collecting hole;
900. a conveying device; 910. a first conveying mechanism; 920. a second conveying mechanism; 921. a first adsorption through hole; 922. a second adsorption through hole; 930. a bridging mechanism; 931. a bridge plate; 932. a first bridge roller; 933. a second bridge roller; 940. a third conveying mechanism; 950. a belt deviation prevention mechanism; 951. an anti-deviation wheel; 952. a deviation preventing groove; 953. a rotating shaft; 954. a support; 955. a slide bar; 956. a limit screw; 957. an end plate; 958. locking the screw; 959. a locknut;
the direction of arrow Y is the conveying direction of the printing medium, the direction of arrow Z is the vertical direction, the direction of arrow X is the first direction, the first direction is perpendicular to the conveying direction of the printing medium, and the first direction is perpendicular to the vertical direction, the direction of arrow J is the direction of the first predetermined trajectory, and the direction of arrow K is the direction of the second predetermined trajectory.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced mechanism or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. In case of conflict, the various features of the embodiments and examples of the present invention may be combined with each other and are within the scope of the present invention.
Example 1
Referring to fig. 1, embodiment 1 of the present invention discloses an inkjet printing apparatus, which includes a frame 100, a feeding device 200, a conveying device 900, a positioning device 300, an image capture device (CCD)400, a lifting inkjet device 500, a first curing mechanism, and a controller. The feeding device 200 feeds the printing medium to the conveying device 900, and the conveying device 900 is used for conveying the printing medium to pass through the positioning device 300, the image acquisition device 400, the lifting ink-jet device 500 and the first curing mechanism in sequence so as to complete ink-jet and curing on the printing medium. As shown in fig. 1, the conveying device 900 includes a first conveying mechanism 910 and a second conveying mechanism 920, the first conveying mechanism 910 and the second conveying mechanism 920 are mounted on the frame 100, and the printing medium is conveyed by the first conveying mechanism 910 and the second conveying mechanism 920 in sequence (in this embodiment, the first conveying mechanism 910 and the second conveying mechanism 920 may be belts, or may be replaced by a plurality of conveying rollers arranged along the conveying direction of the printing medium, and the manner of conveying the printing medium by the conveying rollers is well known to those skilled in the art and will not be described in detail here). The feeding device 200, the positioning device 300, the image acquisition device 400, the lifting ink-jet device 500 and the first curing mechanism are sequentially arranged along the conveying direction of the printing medium. In the present embodiment, a first direction is defined, which is perpendicular to the conveying direction of the printing medium, and which is perpendicular to the vertical direction.
Referring to fig. 2 and 3, the feeding device 200 includes a feeding feeder 210, a lifting platform 220, a detection sensor 250, and a first motor 260, wherein an output end of the detection sensor 250 is connected to a first input end of a controller, and a first output end of the controller is connected to an input end of the first motor 260. The detection sensor 250 is arranged below the feeding flying object 210 in the vertical direction, the detection sensor 250 is arranged close to the suction nozzle 211 of the feeding flying object 210, the lifting platform 220 is arranged below the detection sensor 250 in the vertical direction, and a plurality of printing media stacked together are stored on the lifting platform 220. The detection sensor 250 is located on the side of the stacked printing media. The detection sensor 250 is horizontally oriented toward the stacked printing media to detect whether the stacked printing media reaches the same level as the detection sensor 250. The operation of the detection sensor 250 to detect the printing medium is well known to those skilled in the art and will not be described in detail herein. A first chain transmission mechanism 230 and a second chain transmission mechanism 240 are provided at one side of the elevating platform 220, and a third chain transmission mechanism 270 and a fourth chain transmission mechanism 280 are provided at the other opposite side of the elevating platform 220.
Referring to fig. 3 and 4, the first chain transmission mechanism 230 includes a first chain 236, a first sprocket 231, a second sprocket 232, a third sprocket 233, a fourth sprocket 234, and a fifth sprocket 235. One end of the first chain 236 is connected to the upper surface of the lifting platform 220, and the other end of the first chain 236 sequentially bypasses the first chain wheel 231, the second chain wheel 232, the fifth chain wheel 235, the third chain wheel 233 and the fourth chain wheel 234 and is connected to the lower surface of the lifting platform 220. First sprocket 231 and second sprocket 232 locate the top of lift platform 220 in vertical direction, and third sprocket 233, fourth sprocket 234 and fifth sprocket 235 locate the below of lift platform 220 in vertical direction to make the other end of first chain 236 upwards through first sprocket 231 and second sprocket 232 after, buckle downwards and pass through fifth sprocket 235, third sprocket 233 and fourth sprocket 234 in proper order, again buckle upwards and be connected with the lower surface of lift platform 220. The first sprocket 231 and the second sprocket 232 are sequentially arranged along the conveying direction of the printing medium, and the first sprocket 231 and the second sprocket 232 are located at a first horizontal height in the vertical direction; the fourth sprocket 234, the fifth sprocket 235, and the third sprocket 233 are sequentially disposed along the conveying direction of the printing medium, and the fifth sprocket 235 and the third sprocket 233 are located at the second level in the vertical direction, and the fourth sprocket 234 is located below the fifth sprocket 235 in the vertical direction. The first sprocket 231, the second sprocket 232, the third sprocket 233, the fourth sprocket 234 and the fifth sprocket 235 are rotatably disposed on the frame 100.
Referring to fig. 3 and 5, the second chain transmission mechanism 240 includes a second chain 245, a sixth chain wheel 241, a seventh chain wheel 242, an eighth chain wheel 243 and a ninth chain wheel 244, and the other end of the second chain 245 sequentially bypasses the sixth chain wheel 242, the ninth chain wheel 244, the seventh chain wheel 242 and the eighth chain wheel 243 to be connected with the lower surface of the lifting platform 220. The sixth sprocket 241 is disposed above the lifting platform 220 in the vertical direction, and the seventh sprocket 242, the eighth sprocket 243 and the ninth sprocket 244 are disposed below the lifting platform 220 in the vertical direction, so that the other end of the second chain 245 passes through the sixth sprocket 241 in the upward direction, bends downward and sequentially passes through the ninth sprocket 244, the seventh sprocket 242 and the eighth sprocket 243, and then bends upward and is connected with the lower surface of the lifting platform 220. The eighth sprocket 243, the ninth sprocket 244, and the seventh sprocket 242 are sequentially disposed in the conveying direction of the printing medium, and the ninth sprocket 244 and the seventh sprocket 242 are located at a third level in the vertical direction, and the eighth sprocket 243 is located below the ninth sprocket 244 in the vertical direction. One end of the second chain 245 is connected to the upper surface of the lifting platform 220,
the third chain transmission mechanism 270 has the same structure as the second chain transmission mechanism 240, and the fourth chain transmission mechanism 280 has the same structure as the first chain transmission mechanism 230. As shown in fig. 2, the third sprocket 233 of the first chain transmission mechanism 230, the seventh sprocket 242 of the second chain transmission mechanism 240, the seventh sprocket 242 of the third chain transmission mechanism 270, and the third sprocket 233 of the fourth chain transmission mechanism 280 are connected to a same shaft, which is coaxially connected to the output shaft of the first motor 260, and the output shaft of the first motor 260 rotates to drive the chains of the first chain transmission mechanism 230, the second chain transmission mechanism 240, the third chain transmission mechanism 270, and the fourth chain transmission mechanism 280 to move synchronously. The working principle of the feeding device 200 is as follows: when the height of the printing medium is lower than that of the detection sensor 250, the detection sensor 250 does not detect the printing medium, the detection sensor 250 generates a first control signal, the controller receives the first control signal and then controls the first motor 260 to rotate to drive the first chain 236 and the second chain 245 to move, and controls the lifting platform 220 to ascend until the height of the printing medium reaches the height which can be detected by the detection sensor 250, at this time, the detection sensor 250 detects the printing medium, the detection sensor 250 generates a second control signal, and the controller receives the second control signal and then controls the first motor 260 to stop rotating, so that the suction nozzle 211 of the feeding flying device 210 adsorbs the printing medium on the uppermost layer, and then the printing medium is fed onto the first conveying mechanism 910 (the structure and feeding principle of the feeding flying device 210 are well known to those skilled in the art, and will not be described in detail here).
Referring to fig. 6, the positioning device 300 is disposed above the first conveying mechanism 910, and the positioning device 300 includes a first positioning mechanism, a second positioning mechanism and a pressing mechanism, in this embodiment, the first positioning mechanism is the first pull gauge 320, and the second positioning mechanism is the second pull gauge 310. The first and second draw gauges 320 and 310 are respectively disposed on opposite sides of the first conveying mechanism 910 along a conveying direction of the printing medium, and a lower surface of the first draw gauge 320 and a lower surface of the second draw gauge 310 are parallel to an upper surface of the first conveying mechanism 910. The first pull gauge 320 and the second pull gauge 310 are strip-shaped, the first pull gauge 320 is arranged in a manner of inclining to the conveying direction of the printing medium, the second pull gauge 310 is arranged in a manner of inclining to the conveying direction of the printing medium, and the inclining directions of the first pull gauge 320 and the second pull gauge 310 are opposite (namely, on the horizontal plane, the numerical value of the included angle between the first pull gauge 320 and the conveying direction of the printing medium is a positive number, and the numerical value of the included angle between the second pull gauge 310 and the conveying direction of the printing medium is a negative number). The first draw gauge 320 is used for adjusting the printing medium transmission to move according to a first preset track, so that the printing medium moves towards one side edge of the first conveying mechanism in the conveying process, all the printing media conveyed on the first conveying mechanism are arranged in a straight line along the direction of the one side edge of the first conveying mechanism, the direction of the first preset track is the same as the length direction of the first draw gauge (the direction of the first preset track is obliquely arranged with the conveying direction of the printing medium, and the oblique angle is the same as the oblique angle between the first draw gauge and the conveying direction of the printing medium), and the direction of the first preset track is shown as an arrow J in fig. 17. The second draw gauge 310 is used for adjusting the printing medium transmission to move according to a second predetermined track, so that the printing medium moves towards the other side edge of the first conveying mechanism in the conveying process, all the printing media conveyed on the first conveying mechanism are arranged in a straight line along the direction of the one side edge of the first conveying mechanism, the direction of the second predetermined track is the same as the length direction of the second draw gauge (the direction of the second predetermined track is obliquely arranged with the printing medium conveying direction, and the oblique angle is the same as the oblique angle between the second draw gauge and the printing medium conveying direction), and the direction of the second predetermined track is shown as an arrow K in fig. 17.
One end of the first pull gauge 320, which is in contact with the printing medium first, in the printing medium conveying direction is a front end of the first pull gauge 320, the other end of the first pull gauge 320 is a rear end of the first pull gauge 320, and a distance from the front end of the first pull gauge 320 to a symmetrical center of the first conveying mechanism 910 in the length direction is smaller than a distance from the rear end of the first pull gauge 320 to a symmetrical center of the first conveying mechanism 910 in the length direction, so that the first pull gauge 320 is inclined with respect to the printing medium conveying direction (i.e., the rear end of the first pull gauge 320 is inclined toward the outside of the first conveying mechanism 910). One end of the second pull gauge 310, which is firstly contacted with the printing medium, in the printing medium conveying direction is a front end of the second pull gauge 310, the other end of the second pull gauge 310, which is opposite to the front end, is a rear end of the second pull gauge 310, and the distance from the front end of the second pull gauge 310 to the symmetrical center of the first conveying mechanism 910 in the length direction is smaller than the distance from the rear end of the second pull gauge 310 to the symmetrical center of the first conveying mechanism 910 in the length direction, so that the first pull gauge 320 is inclined with respect to the conveying direction of the printing medium (i.e., the rear end of the second pull gauge 310 is inclined towards the outside of the first conveying mechanism 910).
Referring to fig. 7, the first pull gauge 320 includes a first body 311, three rows of first receiving units are disposed on the first body 311, each receiving unit receives a round ball, and when a printing medium passes under the pull gauge body, a friction force is generated between the round ball and the printing medium to position the printing medium to move along a first predetermined track. In this embodiment, the first receiving unit may be a groove or a circular hole (the circular hole is a through hole), and when the first receiving unit is a groove, an opening surface of the groove faces the printing medium, and the ball is received in the groove. When the first accommodating unit is a round hole, the three rows of round holes are respectively a first row of round holes, a second row of round holes and a third row of round holes. The sum of the number of the round holes in the first row of round holes, the second row of round holes and the third row of round holes is N, and N is a fixed positive integer. The circular holes in each row of circular holes are arranged at equal intervals along the length direction of the first body 311, and the interval between adjacent circular holes in each row of circular holes is D1. On the first body 311, the second row of circular holes and the first row of circular holes are arranged in a staggered manner, and the staggered distance is D1And/2, arranging the third row of round holes in alignment with the first row of round holes.
Each round hole in first row of round hole, second row of round hole and the third row of round hole is used for holding first ball or second ball, can hold a first ball or a second ball in a round hole promptly, wherein, the quantity of first ball that holds in all round holes of first row of round hole, second row of round hole and third row of round hole is M, the quantity of the second ball that holds in all round holes of first row of round hole, second row of round hole and third row of round hole is K, M + K equals N, M, K is more than or equal to 0's integer. The first round ball and the second round ball have different weights, and friction force formed when the first round ball and the second round ball contact with the printing medium is different due to the different weights of the first round ball and the second round ball. In this embodiment, the first spherical ball is a steel ball 312, the second spherical ball is a plastic ball 313, the diameter of the plastic ball 313 is the same as that of the steel ball 312, the plastic ball 313 can be replaced by the steel ball 312, the steel ball 312 can also be replaced by the plastic ball 313, and the steel ball 312 and the plastic ball 313 are arranged in the rows of holes at intervals. As shown in fig. 8, a removable retaining ring 317 is also provided in each circular hole above the steel ball 312 or plastic ball 313, the retaining ring 317 preventing the steel ball 312 or plastic ball 313 from coming out of the circular hole. When the printing medium passes between the first pull gauge and the first conveying mechanism 910, the steel balls, the plastic balls and the surface of the printing medium rub to drive the printing medium to move toward the side of the first conveying mechanism, so that all the printing medium conveyed on the first conveying mechanism is arranged in a straight line along the direction of the side of the first conveying mechanism, and when the printing medium is controlled to be conveyed to the printing area under the nozzle, the printing medium and the nozzle have a determined relative position relationship in the first direction, thereby ensuring that the positions of the printed patterns on the printing medium are the same (the working principle of positioning the printing medium by the pull gauge is well known by those skilled in the art).
After the first pull gauge 320 in this embodiment adopts the above structure, the ratio of the steel balls 312 to the plastic balls 313 on the first body 311 can be adjusted by adjusting the number of the steel balls 312 and the plastic balls 313, so as to adjust the total friction force of the steel balls 312 and the plastic balls 313 acting on the printing medium. And the first pull gauge can be set to different working states to adapt to the conveying of printing media with different thicknesses. When the first pull gauge is in a first working state, the first pull gauge is used for positioning a printing medium with a first preset thickness, and the number ratio of the steel balls to the plastic balls on the first pull gauge is a first preset ratio; when the first pull gauge is in a second working state, the first pull gauge is used for positioning a printing medium with a second preset thickness, and the quantity ratio of the steel balls to the plastic balls on the first pull gauge is a second preset ratio, wherein the first preset thickness is different from the second preset thickness, and the first preset ratio is different from the second preset ratio. The first working state and the second working state of the first pull gauge can adapt to the conveying of the printing media with two different thicknesses. For example, when the printing medium is paper and the thickness of the paper is 0.07mm, the first preset ratio is 1: 1, when the printing medium is paper and the thickness of the paper is 0.09mm, the first preset ratio is 4: generally, when the thickness of the printing medium is increased, the number of steel balls is reduced and the number of plastic balls is increased to reduce the total friction force, and conversely, when the thickness of the printing medium is reduced, the number of steel balls is increased and the number of plastic balls is reduced to improve the total friction force. The structure of the second pull gauge 310 is the same as that of the first pull gauge 320, and the second pull gauge 310 includes a second body, a plurality of second accommodating units disposed on the second body, and a spherical ball disposed in each second accommodating unit, where the spherical ball is used to generate a friction force with a printing medium to position the printing medium to move along a second predetermined track. Third round balls and fourth round balls are respectively arranged in the second accommodating units, and the third round balls and the fourth round balls are different in mass and same in volume; the second pull gauge 310 can also position print media of different thicknesses (the same principle as for the first one). The printing medium passes between the first drawing gauge 320 and the first conveying mechanism 910, the printing medium is positioned at one side of the first conveying mechanism 910 by the first drawing gauge, and when the printing medium passes between the second drawing gauge 320 and the first conveying mechanism 910, the printing medium is positioned at the other side of the first conveying mechanism 910 by the second drawing gauge 910.
Referring to fig. 6 and 9, the frame 100 is provided with a first guide rod 316 and a first lead screw 315. The axes of the first guide rod 316 and the first lead screw 315 are parallel to the first direction, and a first handle 314 is disposed at one end of the first lead screw 315 located outside the rack 100. The lower part of the first pull gauge 320 is connected with a first lead screw nut. A first lead screw nut is threaded onto the first lead screw 315 and a first pull gauge 320 is slidably mounted on the first guide bar 316. In addition, the rack 100 is further provided with a second guide rod and a second screw rod, the axes of the second guide rod and the second screw rod are parallel to the first direction, and one end of the second screw rod, which is located outside the rack 100, is provided with a second handle 314. The lower part of the second pull gauge 310 is connected with a second lead screw nut. A second lead screw nut is threaded onto the second lead screw and a second pull gauge 310 is slidably mounted on the second guide bar. The first handle 314 is rotated to drive the first lead screw 315 to rotate so as to drive the first lead screw nut to move along the first direction, the first pull gauge 320 can be driven to slide on the first guide rod 316, the second handle 314 is rotated to drive the second lead screw to rotate so as to drive the second lead screw nut to move along the first direction, the second pull gauge 310 can be driven to slide on the second guide rod, and therefore the relative positions of the first pull gauge 320 and the second pull gauge 310 with respect to the first conveying device along the first direction can be adjusted. Wherein the first and second pull gauges 320 and 310 cannot position the printing medium at the same time.
The width of the printing medium refers to the width of the printing medium in the first direction, and a user can adjust the relative position relationship between the first pull gauge 320 and the conveying mechanism in the first direction by rotating the first screw rod according to different widths of the printing medium, so that the position of the first pull gauge 320 is matched with the printing medium, and the positioning of the printing medium with different widths is adapted.
In this embodiment, the handle 314 on the first lead screw 315 can be eliminated, and a second motor is used to drive the first lead screw 315 to move (the second motor can be a stepping motor). The specific scheme is that a second motor is arranged at one end outside the rack 100, the second motor is fixedly connected to the rack 100, an output shaft of the second motor is coaxially connected with the first screw rod 315 to drive the first screw rod 315 to rotate, and therefore the labor intensity of a user in adjusting the pull gauge can be reduced after the arrangement (similarly, a handle can be omitted on the second screw rod and the second screw rod is driven by the motor).
The flattening mechanism comprises: a beam 330 and a platen 331. The cross beam 330 is disposed across and above the first conveyance mechanism 910. The pressing plate 331 is mounted on the cross beam 330, the pressing plate 331 is rectangular and sheet-shaped, the pressing plate 331 is located above the first conveying mechanism 910, the length direction of the pressing plate 331 is parallel to the conveying direction of the printing medium, and a first gap D is left between the lower surface of the pressing plate 331 and the upper surface of the first conveying mechanism 9102. As shown in FIG. 10, a first gap D is formed from the front end of the pressure plate 331 to the rear end of the pressure plate 3312The end of the pressure plate 331 that first contacts the print medium is the front end of the pressure plate 331, and the other end of the pressure plate 331 is the rear end of the pressure plate 331. When the printing medium is fed onto the first conveying mechanism 910, the printing medium may be partially uneven, and as the first gap between the pressing plate 331 and the first conveying mechanism 910 is gradually reduced, the printing medium is conveyed along with the first conveying mechanism 910, and the convex portion on the printing medium is gradually contacted with the pressing plate 331 so that the printing medium is printedAnd (5) gradually flattening.
As shown in fig. 11 and 12, the lifting/lowering ink jet device 500 includes an ink jet mechanism, a lifting/lowering drive mechanism, and a first guide mechanism. The ink jet mechanism includes a lift base 510, an ink supply mechanism, a nozzle, and a circuit board 540. The lifting base 510 is disposed above the second conveying mechanism 920 in a crossing manner, and a first fixing base 520 and a second fixing base 530 are respectively disposed on two opposite sides of the lifting base 510 along the conveying direction of the printing medium. The first fixing base 520 and the second fixing base 530 are fixedly installed on the rack 100. The first guide mechanism includes a first rail 522 and a second rail 532. The elevating driving mechanism includes a third lead screw 521, a fourth lead screw 531, a third motor 570, a first transmission shaft 572, and a second transmission shaft 573. The third screw 521 and the first guide rail 522 are both vertically arranged on the first fixed seat 520. The fourth lead screw 531 and the second guide rail 532 are both vertically arranged on the second fixed seat 530. A third screw nut is connected to the third screw 521 through a screw. A fourth screw nut is screwed to the fourth screw 531. One side of the lifting seat 510 is slidably connected to the first guide rail 522, the other side of the lifting seat 510 is slidably connected to the second guide rail 532, and the lifting seat 510 is connected to the third lead screw nut and the fourth lead screw nut, respectively. A connecting plate 571 is connected between the upper end of the first fixing seat 520 and the upper end of the second fixing seat 530, the third motor 570 is arranged on the connecting plate 571, an output shaft of the third motor 570 is respectively in transmission connection with a first transmission shaft 572 and a second transmission shaft 573 through bevel gear transmission, the first transmission shaft 572 is in transmission connection with the upper end of the third screw 521 through bevel gear transmission, and the second transmission shaft 573 is in transmission connection with the upper end of the fourth screw 531 through bevel gear transmission. The number of teeth of the bevel gear provided on the end of the first transmission shaft 572 facing the third motor 570 is the same as the number of teeth of the bevel gear provided on the end of the second transmission shaft 573 facing the third motor 570. The number of teeth of the bevel gear provided on the end of the first transmission shaft 572 facing away from the third motor 570 is the same as the number of teeth of the bevel gear provided on the end of the second transmission shaft 573 facing away from the third motor 570. The third motor 570 can rotate to drive the third lead screw 521 and the fourth lead screw 531 to synchronously rotate, so as to drive the two sides of the lifting base 510 to synchronously lift. As shown in fig. 12, the ink supply mechanism, the head 560, and the circuit board 540 are mounted on the elevating base 510. The lifting ink-jet device 500 has the beneficial effects that: in the ink-jet printing process, the ink-jet mechanism rises along with the lifting driving mechanism, printing media with different thicknesses can be printed, when the ink-jet mechanism prints the printing media, the spray head of the ink-jet mechanism is located in a first height range and performs ink-jet printing on the printing media, the spray head of the ink-jet mechanism is usually located 2mm-3mm above the printing media, but due to the fact that the printing media are different in thickness, the first height range can change along with the change of the thickness of the printing media, namely the first height range is the thickness of the printing media plus 2mm-3 mm. When the ink jetting of the ink jetting mechanism (nozzle) is finished and the residual ink on the nozzle 560 needs to be removed, the nozzle of the ink jetting mechanism rises along with the lifting driving mechanism until the distance between the nozzle of the ink jetting mechanism and the second conveying mechanism 920 in the height direction is greater than or equal to a third preset distance so as to leave a space for cleaning the residual ink; the third preset distance (height difference) at least satisfies the requirement of cleaning the nozzle 560, i.e. the height difference between the nozzle of the ink jet mechanism and the second conveying mechanism 920, for example, when the ink jet mechanism is used for ink jet printing, the first height range is 2mm-3mm above the printing medium by the nozzle 560; when the residual ink on the spray head 560 needs to be removed, the third preset distance is 80mm, that is, the spray head 560 is 80mm above the second conveying mechanism 920, and at this time, a user can scrape the ink on the spray head 560 or scrape the ink by using a scraping device; the ink-clear state is a state in which the ink-jet mechanism clears the ink remaining on the head 560. The image pickup device 400 is disposed above the second conveying mechanism 920, the image pickup device 400 picks up Mark points (Mark points) on the printing medium between the ink-jet printing of the printing medium, and the structure of the image pickup device 400 and the operation principle thereof to pick up the Mark points on the printing medium are well known to those skilled in the art and will not be described in detail herein. After the printing medium is subjected to inkjet printing, the printing medium is conveyed by the second conveying mechanism 920 to pass through a first curing mechanism, the first curing mechanism cures ink on the printing medium, and the structure and the operation principle of the first curing mechanism are well known to those skilled in the art and will not be described in detail herein.
The ink supply mechanism described above includes a plurality of ink storage units each storing different inks, for example, a first ink storage unit storing cyan ink, a second ink storage unit storing yellow ink, and a third ink storage unit storing blue ink … …, or for example, the ink stored in the first ink storage unit and the ink stored in the second ink storage unit are different in concentration. The ink storage unit in this embodiment may be a structure that stores ink such as an ink cartridge or an ink bag. For convenience of understanding, the present embodiment is exemplified by two ink cartridges, which are a first ink cartridge 551 and a second ink cartridge 553, respectively. The first ink tank 551 and the second ink tank 553 are both made of a metal material. The first ink tank 551 stores yellow ink, and the second ink tank 553 stores blue ink. As shown in fig. 13. The opposite two sides of the first ink box 551 are respectively provided with a first groove and a second groove, the first heating piece 552 is embedded in the first groove, and the shape of the first groove is matched with the shape of the first heating piece 552. And a second heating plate is embedded in the second groove, and the shape of the second groove is matched with that of the second heating plate. The first groove and the second groove are both arranged at the lower part of the first ink box 551, so that the first heating sheet is attached to the outer wall of the lower part of the first ink box. The second heating sheet is attached to the outer wall of the lower portion of the first ink box, and due to the effect of gravity, ink in the first ink box is stored in the lower portion of the first ink box, and after the second heating sheet is arranged, the heating effect of the heating sheet on the ink is better. A third groove and a fourth groove are respectively arranged at two opposite sides of the second ink box 553, a third heating plate 555 is embedded in the third groove, and the shape of the third groove is matched with the shape of the third heating plate 555. And a fourth heating plate is embedded in the fourth groove, and the shape of the fourth groove is matched with that of the fourth heating plate. The third and fourth grooves are formed at the lower portion of the second ink cartridge 553 to allow the third heating plate to be attached to the outer wall of the lower portion of the second ink cartridge. The fourth heating piece is attached to the outer wall of the lower portion of the second ink box, and due to the effect of gravity, ink in the second ink box is stored in the lower portion of the second ink box, and after the fourth heating piece is arranged, the heating effect of the heating piece on the ink is better.
The input end of the first heating plate 552 is electrically connected with the second output end of the controller, the input end of the second heating plate is electrically connected with the third output end of the controller, the input end of the third heating plate 555 is electrically connected with the fourth output end of the controller, and the input end of the fourth heating plate is electrically connected with the fifth output end of the controller. Meanwhile, the first ink cartridge 551 is further provided with a first temperature detector for detecting the temperature of the first ink cartridge 551, and the second ink cartridge 553 is further provided with a second temperature detector for detecting the temperature of the second ink cartridge 553. Here, the first temperature detector and the second temperature detector may be contact type temperature detectors or may be non-contact type temperature detectors; the operating principle of the temperature detection unit is well known to those skilled in the art and will not be described in detail herein. The first temperature detector is electrically connected with the second input end of the controller, and the second temperature detector is electrically connected with the third input end of the controller. The first temperature detector detects the temperature of the first ink cartridge 551, generates a first temperature signal and transmits the first temperature signal to the controller. The second temperature detector detects the temperature of the second ink cartridge 553, and generates a second temperature signal to transmit to the controller. The operation principle of the first ink cartridge 551 and the second ink cartridge 553 is as follows: the first temperature detector transmits the first temperature signal to the controller, the controller compares the first temperature signal with a first preset temperature and a second preset temperature respectively, and the first preset temperature is lower than the second preset temperature. The control unit controls the first heating blade 552 and the second heating blade to operate when the first temperature signal is lower than a first preset temperature, and controls the first heating blade 552 and the second heating blade to not operate when the first temperature signal is higher than a second preset temperature. When the first heater chip 552 and the second heater chip are operated, heat is transferred from the outer wall of the first ink tank 551 into the first ink tank 551 to heat the ink in the first ink tank 551. The temperature interval from the first preset temperature to the second preset temperature is set according to the ink-jet characteristics of the yellow ink, so that the yellow ink can reach the temperature interval with the best ink-jet effect. The second temperature detector transmits a second temperature signal to the controller, the controller compares the second temperature signal with a third preset temperature and a fourth preset temperature respectively, and the third preset temperature is lower than the fourth preset temperature. When the second temperature signal is lower than the third preset temperature, the control unit controls the third heating plate 555 and the fourth heating plate to work, and when the second temperature signal is higher than the fourth preset temperature, the control unit controls the third heating plate 555 and the fourth heating plate to not work. When the third heater 555 and the fourth heater are operated, heat is transferred from the outer wall of the second ink cartridge 553 to the second ink cartridge 553, and the ink in the second ink cartridge 553 is heated. The temperature interval from the third preset temperature to the fourth preset temperature is set according to the characteristics of the blue ink during ink jet, so that the blue ink reaches the temperature interval with the best ink jet effect. The ink supply mechanism enables the inks of different colors to respectively work in the temperature range with the best ink-jet printing effect, thereby ensuring the ink-jet effect of the inks of different colors and improving the printing quality.
The lifting base 510 includes at least two nozzles 560 and at least two circuit boards 540, and the circuit boards are connected to the nozzles in a one-to-one correspondence manner, and the operation of the nozzles is controlled by a controller on the circuit board (the operation principle of the circuit board controller for controlling the nozzles is well known to those skilled in the art, and will not be described in detail here). For convenience of understanding, in the present embodiment, two nozzles 560 and two circuit boards 540 are taken as examples, the two nozzles 560 are respectively a first nozzle and a second nozzle, and the two circuit boards 540 are respectively a first circuit board and a second circuit board. The output end of the first circuit board is electrically connected with the input end of the first spray head, the ink supply pipe of the first ink box 551 is connected with the ink inlet end of the first spray head, wherein the first spray head is positioned below the first ink box 551 in the vertical direction, and the distance between the first spray head and the first ink box 551 is smaller than a first preset distance, so that the first ink box 551 supplies ink for the first spray head (the first preset distance is 150mm in the embodiment), and the design can effectively avoid ink from dropping on the first circuit board. The output end of the second circuit board is electrically connected with the input end of the second nozzle, the ink supply pipe of the second ink box 553 is connected with the ink inlet end of the second nozzle, wherein the second nozzle is located below the second ink box 553 in the vertical direction, and the distance between the second nozzle and the second ink box 551 is smaller than the second preset distance, so that the second ink box 553 supplies ink to the second nozzle (the second preset distance is 150mm in the embodiment), and the design can effectively avoid ink from dropping on the second circuit board. Meanwhile, the ink supply mechanism in this embodiment further includes a heat-insulating housing (not shown in the figure), and the heat-insulating housing accommodates the first ink cartridge, the second ink cartridge, the first heating plate, the second heating plate, the third heating plate, and the fourth heating plate inside the heat-insulating housing, and isolates hot air inside the heat-insulating housing from cold air outside the heat-insulating housing, thereby reducing energy consumption.
As shown in fig. 11 to 16, the frame 100 is further provided with a wiping device 600, the wiping device 600 is located above the second conveying mechanism 920, and the wiping device has two stations, namely a first station and a second station. The first station is located in front of the lifting ink-jet device along the conveying direction of the printing medium. The second station is located directly below the head 560 (opposite the surface of the head 560 on which the nozzles are located) in the lift jet. As shown in fig. 14, the ink scraping device 600 includes a carriage mechanism 610, a second guide mechanism, a first drive mechanism, a third guide mechanism, a blade, and a second drive mechanism. When the carrying mechanism 610 is located at the first station, the carrying mechanism 610 is located in front of the lifting inkjet device along the conveying direction of the printing medium; when the carrying mechanism 610 is located at the second station, the carrying mechanism 610 is located right below the nozzle 560 in the lifting inkjet device. The second guide mechanism comprises a third guide rail 620 and a fourth guide rail 630, the third guide rail 620 and the fourth guide rail 630 are respectively arranged at two opposite sides of the second conveying mechanism 920 along the conveying direction of the printing medium, the length directions of the third guide rail 620 and the fourth guide rail 630 are parallel to the conveying direction of the printing medium, and the bearing mechanism 610 is arranged above the second conveying mechanism 920 in a crossing manner. Two ends of the bearing mechanism 610 are respectively arranged on the third guide rail 620 and the fourth guide rail 630 in a sliding manner, so that the bearing mechanism 610 can be controlled to slide to a specified position along the conveying direction of the printing medium to perform ink scraping work. The first driving mechanism comprises a fourth motor and a fifth screw rod, the axis of the fifth screw rod is parallel to the conveying direction of the printing medium, the output shaft of the fourth motor is coaxially connected with the fifth screw rod, a fifth screw rod nut is in threaded connection with the fifth screw rod, the fifth screw rod nut is fixedly connected to the bearing mechanism 610, and the bearing mechanism 610 can be driven to reciprocate on the third guide rail 620 and the fourth guide rail 630 through the forward and reverse rotation of the output shaft of the fourth motor, so that the bearing mechanism 610 reaches the first station or the second station.
An excess ink containing cavity 617 is arranged on the upper surface of the bearing mechanism 610 (the bearing mechanism 610 is a box structure with an upward opening), an anti-splash net 615, a third guide rod 612, a scraper seat 613 and a sixth lead screw 618 are arranged in the excess ink containing cavity 617, the axes of the third guide rod 612 and the sixth lead screw 618 are parallel to the first direction, a sixth lead screw nut is connected to the sixth lead screw 618 in a threaded manner, and the sixth lead screw nut is fixedly connected with the scraper seat 613. The splash guard 615 is horizontally disposed below the third guide rod 612 and the sixth lead screw 618. A scraper 611 is mounted on the scraper seat 613, one side of the scraper seat 613 is slidably connected to the sixth guide rod, and the other side of the scraper seat 613 is connected to the sixth screw 618. A fifth motor 614 is further disposed on the carrying mechanism 610 outside the remaining ink containing chamber 617, an output shaft of the fifth motor 614 is coaxially connected with a sixth screw 618, and the scraper 611 can be driven to repeatedly slide along the first direction by positive and negative rotation of the fifth motor 614. The way of removing the remaining ink on the nozzle 560 in this embodiment may also be: the ink jet mechanism rises to a second height above the first height along with the lifting driving mechanism, wherein the second height is a height at which the surface of the spray head 560 provided with the nozzles just contacts with the scraper 611, and when the bearing mechanism 610 is located at the second station, the surface of the spray head 560 provided with the nozzles can contact with the scraper 611 through sliding of the scraper 611 in the first direction, so that the residual ink on the spray head 560 is scraped into the residual ink accommodating cavity 617. The two sides of the bottom surface of the residual ink containing cavity incline downwards towards the middle to form an inverted triangle, the side wall of the bearing mechanism 610 is also provided with an ink discharging hole, the ink discharging hole is communicated with the vertex of the inverted triangle bottom surface in the residual ink containing cavity 617, an ink discharging plug 616 is connected in the ink discharging hole in a threaded manner, and when more ink is in the residual ink containing cavity 617, the ink discharging plug 616 can be screwed out from the ink discharging hole to discharge the ink. On the upper surface of the carriage mechanism 610, ink blocking plates 619 (one of the ink blocking plates 619 is shown in close proximity in fig. 15) are provided on opposite sides in the print medium conveying direction, respectively. The residual ink may be attached to the scraper 611 after the scraper 611 scrapes the residual ink, and the reciprocating movement of the scraper 611 may cause the residual ink to be thrown off and splashed on the clothes of the device or the user, and the ink blocking plate 619 may block the thrown-off residual ink. And a second gap is also left between the lower surface of the bearing mechanism 610 and the working surface of the second conveying mechanism 920, so that the bearing mechanism 610 does not influence the normal conveying of the printing medium by the second conveying mechanism 920.
Example 2
The utility model discloses the inkjet printing apparatus in embodiment 2 improves on the basis of embodiment 1. Specifically, the second conveying mechanism 920 in the inkjet printing apparatus in embodiment 2 is a second belt. As shown in fig. 18, in the present embodiment, a plurality of rows of suction through holes are provided on the working surface of the second belt, the suction through holes in each row are sequentially arranged along the conveying direction of the printing medium, and the suction through holes in each row are arranged at equal intervals. The suction mechanism 800 is arranged between the loose edge and the tight edge of the second belt, the suction mechanism 800 comprises a suction seat 810 and a cover plate 820, the upper surface of the suction seat 810 faces the tight edge of the second belt, a plurality of independent negative pressure air cavities are arranged on the upper surface of the suction seat 810, each negative pressure air cavity is connected with a negative pressure source (each negative pressure air cavity can be connected with the same negative pressure source and can also be connected with different negative pressure sources), and each negative pressure air cavity controls the on-off between the negative pressure air cavity and the negative pressure source through an on-off device. The cover plate 820 covers the upper surface of the air suction base 810, a plurality of rows of air collecting holes are formed in the cover plate 820, the air collecting holes in one row of air collecting holes are communicated with a negative pressure air cavity, the air collecting holes in each row of air collecting holes are sequentially arranged along the conveying direction of a printing medium, the air collecting holes in each row of air collecting holes are arranged at equal intervals, and one row of air collecting holes are arranged in a one-to-one correspondence mode to one row of adsorption through holes. The cover plate 820 is covered on the upper surface of the air suction base 810, so that each negative pressure air cavity is formed, meanwhile, the cover plate 820 is provided with air collecting holes corresponding to the adsorption through holes, and the air collecting holes can collect negative pressure air energy in the negative pressure air cavities, so that low wind energy is wasted.
For convenience of understanding, two rows of the adsorption through holes, two negative pressure air chambers and two rows of the air collecting holes are selected for description in the present embodiment, and the two rows are respectively a first row of the adsorption through holes, a second row of the adsorption through holes, a first negative pressure air chamber 811, a second negative pressure air chamber 812, a first row of the air collecting holes and a second row of the air collecting holes. The first negative pressure air cavity 811 is connected with a negative pressure source through a first air pipe, a first valve for controlling the on-off of an air path in the first air pipe is arranged on the first air pipe, the second negative pressure air cavity 812 is connected with the negative pressure source through a second air pipe, and a second valve for controlling the on-off of an air path in the second air pipe is arranged on the second air pipe. The adsorption through holes in the first row of adsorption through holes are first adsorption through holes, and the adsorption through holes in the second row of adsorption through holes are second adsorption through holes. The gas collecting holes in the first row of gas collecting holes are first gas collecting holes 821, and the first gas collecting holes 821 are communicated with the first negative pressure air cavity 811. The gas collecting holes in the second row of gas collecting holes are second gas collecting holes 822, and the second gas collecting holes 822 are communicated with the second negative pressure air cavity 812. In this embodiment, the gas collecting holes of the first row of gas collecting holes and the second row of gas collecting holes are waist-shaped holes. As shown in fig. 18, the first row of suction through holes is a row of suction through holes located at the center of symmetry of the second conveyance mechanism in the printing medium conveyance direction. The first row of gas collecting holes are correspondingly arranged below the first row of adsorption through holes (the first row of gas collecting holes are also a row of gas collecting holes which are positioned at the symmetrical center of the second conveying mechanism along the conveying direction of the printing medium). The first negative pressure air cavity 811 is correspondingly arranged below the first row of air collecting holes, the first negative pressure air cavity 811 is also a negative pressure air cavity located at the symmetric center of the second conveying mechanism along the conveying direction of the printing medium, in fig. 18, the first negative pressure air cavity 811 is also divided into a row of small air cavities along the conveying direction of the printing medium, namely, the first negative pressure air cavity 811 is divided into a plurality of small air cavities which are sequentially arranged along the conveying direction of the printing medium, the row of small air cavities are correspondingly arranged below the first row of air collecting holes, and the row of small air cavities are controlled by the first valve to be switched on and off by the first valve. The second row of adsorption through holes are a row of adsorption through holes close to the side edge of the second conveying mechanism, the second row of air collecting holes are correspondingly arranged below the second row of adsorption through holes (the second row of air collecting holes are also a row of air collecting holes close to the side edge of the second conveying mechanism), the second negative pressure air cavity 812 is correspondingly arranged below the second row of air collecting holes, the second negative pressure air cavity 812 is also a negative pressure air cavity close to the side edge of the second conveying mechanism, in fig. 18, the second negative pressure air cavity 812 is the same as the first negative pressure air cavity 811 and is also divided into a row of small air cavities in the conveying direction of the printing medium, and the row of small air cavities are all opened and closed by air passages controlled by a second valve. The working principle of the air suction mechanism 800 is as follows: the negative pressure air cavity is induced to wind in the process of conveying the printing medium by the second belt, so that negative pressure wind energy is transmitted to the working surface of the second belt through the air collecting hole and the adsorption through hole, and the printing medium is adsorbed on the second belt, so that the printing medium is prevented from moving. Each independent negative pressure air cavity can be independently controlled to be opened and closed, so that a user can select to open a valve on one negative pressure air cavity according to the size of a printing medium (the size of the printing medium in the first direction), other negative pressure air cavities do not participate in the work, and wind energy is saved; for example, when the printing medium covers the first row of suction through holes but does not cover the second row of suction through holes on the second conveying mechanism, the user can only open the first valve and close the second valve, so that the second negative pressure air chamber 812 does not participate in the operation, thereby saving the wind energy.
Example 3
Referring to fig. 19 to 22, the inkjet printing apparatus according to embodiment 3 of the present invention is modified based on embodiment 1 and embodiment 2. Specifically, the inkjet printing apparatus in embodiment 3 further includes a belt deviation preventing mechanism 950, and the second conveying mechanism 920 is a second belt in this embodiment. Above-mentioned belt prevents inclined to one side of mechanism 950 in the second belt, and it includes prevents that inclined to one side wheel 951 and adjustment mechanism, prevents that inclined to one side wheel 951 rotates and sets up on pivot 951, prevents on the inclined to one side wheel 951 along prevent that the circumference of inclined to one side wheel 951 is equipped with the inclined to one side recess 952 is prevented to the round, prevent inclined to one side recess 952 with the position of the side butt of belt in order to restrict the belt, should prevent inclined to one side recess 952 be V type groove. The adjusting mechanism is disposed on the frame 100 and is used for adjusting the relative position of the rotating shaft 951 and the frame 100 along the first direction, so as to adjust the relative position of the second belt 920 and the frame 100 along the first direction. In this embodiment, the adjusting mechanism includes a sliding member and a guide member, and the rotating shaft is provided on the sliding member; the direction of guide is parallel with first direction, and the slider slides on the guide in order to drive the pivot and remove along first direction. In this embodiment, the guide member may be a guide rail or a bracket provided with a sliding hole, and when the guide member is the guide rail, the sliding member is a slider sliding on the sliding rail; when the guide is a bracket, the slider is a slide bar that slides in the slide hole.
For convenience of understanding, the adjusting mechanism is described in the present embodiment by using the support 954 and the sliding bar 955; as shown in fig. 19 to 22, the adjusting mechanism further includes a limit screw 956, an end plate 957, a lock screw 958, and a locknut 959, the holder 954 is provided on the frame 100, and the holder 954 is provided with a slide hole (an axial direction of the slide hole is parallel to the first direction). The sliding bar 955 is disposed in the sliding hole and slides in the sliding hole along a first direction, and the rotation shaft 953 is disposed on the sliding bar 955. A first end of the sliding rod 955 is positioned in the sliding hole, and a second end of the sliding rod 955 extends out of the first end of the sliding hole and is connected with the rotating shaft 953; the second end of the sliding hole is provided with an end plate 957, the end plate 957 seals the second end of the sliding hole, and the end plate 957 is screwed to the holder 954 by a connection screw. A limit screw 956 is positioned on a side of the end plate 957 facing away from the carriage 954, an axial direction of the limit screw 956 is parallel to the first direction, a limit end (a threaded end) of the limit screw 956 extends into the slide hole through the end plate 957, and the limit end of the limit screw 956 abuts against the first end of the slide bar 955, thereby preventing the slide bar 955 from moving leftward (in fig. 21) against the slide bar 955 to limit the position of the slide bar 955; a limit screw 956 is threadably connected to end plate 957 and is rotatable to adjust the position of the limit screw on end plate 957. Stop screw 956 is threaded with locknut 959, locknut 959 is located the side that end plate 957 deviates from support 954, and the right end face of locknut 959 contacts with the left end face of end plate 957 (in fig. 21), and screws up locknut 959 to the right end face of locknut 95 and the left end face butt of end plate 957 to stop screw 956 carries out locking. The end plate 957 and the bracket 954 are connected by a connecting screw. The axis of the locking screw 958 is parallel to the vertical direction, the locking end (threaded end) of the locking screw 958 extends through the bracket 954 into the slide hole, the locking end of the locking screw 958 abuts against the slide bar 955, and the surface of the slide bar 955 abutting against the locking screw 958 is flat.
The operating principle of the belt deviation preventing mechanism 950 in embodiment 3 is as follows: the anti-deviation wheel 951 is circumferentially provided with a circle of anti-deviation grooves 952 to be abutted against the side edge of the second belt, and when the axis of the rotating shaft is fixed, the side edge of the second conveying mechanism is always abutted by the anti-deviation grooves 952, so that the second belt is prevented from deviating to one side; when the belt deviation prevention mechanisms 950 are provided on both sides of the second belt, the second belt can be prevented from being deviated to both sides. And the user can adjust the position of the sliding bar 955, the rotating shaft 951 and the anti-deviation wheel 951 on the rack 100 along the first direction by rotating the limit screw 956 according to actual needs, thereby adjusting the position of the second belt on the rack 100 along the first direction. Similarly, also can be first belt among the first conveying mechanism 910 in this embodiment, also can set up belt deviation prevention mechanism 950 on the side of first belt and prevent partially or adjust the position of first belt (similarly, in the utility model discloses also can be third belt among the third conveying mechanism 940 in 5, also can set up belt deviation prevention mechanism 950 and prevent partially or adjust the position of third belt on the side of third belt) to first belt.
Example 3 the rest of the construction and the working principle are the same as in examples 1 and 2.
Example 4
The present invention further improves the inkjet printing apparatus in embodiment 4 on the basis of embodiment 1, embodiment 2, and embodiment 3. The inkjet printing apparatus according to embodiment 4 further includes a bridge mechanism 930, and as described above, the first conveying mechanism 910 and the second conveying mechanism 920 may employ a belt or a plurality of conveying rollers arranged in the conveying direction of the printing medium. For convenience of understanding, the first conveying mechanism 910 in the present embodiment uses a first belt, and the second conveying mechanism 920 uses a second belt to explain the working principle of the bridge mechanism 930.
Referring to fig. 23 to 24, the bridging mechanism 930 is disposed between the first belt and the second belt along the conveying direction of the printing medium; the bridging mechanism includes a bridging plate 931, a first bridging roller 932, a second bridging roller 933, and a sixth motor, where a first end of the bridging plate 931 is separated from a terminal end of the first belt by a third preset distance in the conveying direction of the printing medium, so that the printing medium is conveyed from the terminal end of the first conveying mechanism to the first end of the bridging plate (the terminal end of the first belt is a terminal end of the first belt in the conveying direction of the printing medium, i.e., a discharging end of the first belt). The second end of the bridge 931 is separated from the head end of the second belt by a fourth preset distance along the conveying direction of the printing medium, so that the printing medium is conveyed from the second end of the bridge to the head end of the second conveying mechanism (the head end of the second belt is the head end of the second belt along the conveying direction of the printing medium, i.e., the feeding end of the second belt). The first end of the bridge plate 931 and the second end of the bridge plate 931 are opposite ends on the bridge plate 931. The third preset distance and the fourth preset distance are set to prevent the bridging plate 931 from contacting the first belt and the second belt, so that the normal operation of the first belt and the second belt is not affected by the bridging plate (the third preset distance and the fourth preset distance may be set to 5 mm).
The first and second gap rollers 932 and 933 are disposed below the gap plate 931, and the surface of the gap plate 931 is provided with gap holes for the surfaces of the first and second gap rollers 932 and 933 to pass through. The working surfaces of the first and second bridge rollers 932 and 933 are protruded from the bridge holes to a position above the bridge plate 931 so that the working surfaces of the first and second bridge rollers 932 and 933 can be brought into contact with the printing medium (the working surfaces of the bridge rollers are surfaces in the circumferential direction of the bridge rollers). When the first and second bridge rollers 932 and 933 rotate, the printing medium conveyed onto the bridge plate 931 can be conveyed. The sixth motor is installed on the frame 100, and an output shaft of the sixth motor is coaxially connected with a first synchronous pulley. A second synchronous pulley is coaxially connected to the first bridge roller 932, and a third synchronous pulley is coaxially connected to the second bridge roller 933. The first synchronous pulley, the second synchronous pulley, the third synchronous pulley passes through the hold-in range to be connected, the number of teeth of second synchronous pulley is the same with the number of teeth of third synchronous pulley, the output shaft of sixth motor drives first roller 932 and second roller 933 of crossing a bridge through the synchronization for the rotational speed of first roller 932 of crossing a bridge is the same with the rotational speed of second roller 933 of crossing a bridge, the linear velocity on first roller 932 of crossing a bridge, second roller 933 working face is the speed that mechanism 930 transmitted print medium for crossing a bridge promptly. The speed of the printing medium conveyed by the bridging mechanism 930 is equal to or higher than the speed of the printing medium conveyed by the first belt, and the speed of the printing medium conveyed by the second belt is equal to or higher than the speed of the printing medium conveyed by the bridging mechanism 930.
The working principle of the bridge mechanism 930 is as follows: the printing medium is conveyed from the first belt to the gap plate 931, and the first gap roller 932 and the second gap roller 933 rotate to drive the printing medium to be conveyed to the second belt, so that the printing medium is prevented from falling from a gap between the first belt and the second belt. When the speed at which the bridge mechanism 930 conveys the printing medium is equal to the speed at which the first belt conveys the printing medium and the speed at which the second belt conveys the printing medium is equal to the speed at which the bridge mechanism 930 conveys the printing medium, smooth conveyance of the printing medium can be ensured. And when the speed that mechanism 930 conveyed the print medium was greater than the speed that first belt conveyed the print medium, the speed that the second belt conveyed the print medium was greater than the speed that mechanism 930 conveyed the print medium, then the print medium through the mechanism of passing a bridge carry to the second belt on the interval between the adjacent print medium can be pulled open to make things convenient for the processing of epilogue (on the same way, the utility model discloses clearance department between second conveying mechanism 920 and the third conveying mechanism 940 also can set up mechanism 930 of passing a bridge in 5).
Example 4 the rest of the construction and the operation principle are the same as in examples 1 to 3.
Example 5
As shown in fig. 1, the embodiment 5 of the utility model discloses a gilt integration production line of inkjet, this gilt integration production line of inkjet includes arbitrary ink jet printing equipment in gilt device 700, the second solidification mechanism and embodiment 1 to embodiment 4. The feeding device 200, the positioning device 300, the image acquisition device 400, the lifting ink-jet device 500, the first curing mechanism, the gold stamping device 700 and the second curing mechanism in this embodiment are sequentially arranged along the conveying direction of the printing medium. In this embodiment, the curing power of the second curing mechanism is greater than the curing power of the first curing mechanism. The first curing mechanism is used for pre-curing the printing medium subjected to ink-jet printing, and the second curing mechanism is used for final curing the printing medium subjected to gold stamping. In this embodiment, the printing medium sequentially passes through the positioning device 300, the image capturing device 400, the lifting inkjet device 500, and the first curing mechanism to complete inkjet and pre-curing processes on the printing medium, and then the printing medium is gold stamped and finally cured by the gold stamping device 700 and the second curing mechanism. In this embodiment, the conveying device 900 further includes a third conveying mechanism 940, the printing medium is conveyed by sequentially passing through the first conveying mechanism 910, the second conveying mechanism 920 and the third conveying mechanism 940, and the third conveying mechanism 940 is also mounted on the frame 100. In this embodiment, the third conveyance mechanism 940 may be a belt, or may be replaced with a plurality of conveyance rollers arranged in the conveyance direction of the printing medium. The manner in which the printing medium is transported by the transport roller is well known to those skilled in the art and will not be described in detail herein.
The gold stamping device 700 is arranged above the third conveying mechanism 940 in a crossing manner, as shown in fig. 25 to 27, the gold stamping device 700 comprises a material placing mechanism, a gold stamping mechanism, a first adjusting mechanism, a first tensioning mechanism, a waste material winding mechanism, a second adjusting mechanism, a second tensioning mechanism, a dust-proof mechanism and a supporting mechanism. The discharging mechanism is used for discharging the gold stamping paper; the gold stamping mechanism is arranged opposite to the conveying mechanism, and is used for hot stamping the gold stamping layer of the gold stamping paper discharged by the discharging mechanism on the printing medium conveyed by the conveying mechanism; the first adjusting mechanism is used for reducing an included angle between the gilding paper and the printing medium before the gilding paper discharged by the discharging mechanism is gilded by the gilding mechanism. The first tensioning mechanism is used for tensioning the bronzing paper released by the discharging mechanism before the first adjusting mechanism reduces the included angle between the bronzing paper and the printing medium. And the waste material winding mechanism is used for recycling the residual part of the gold stamping mechanism after the gold stamping mechanism carries out hot stamping on the gold stamping layer of the gold stamping paper to the printing medium. The second adjusting mechanism is used for reducing an included angle between the gilding paper and the printing medium after the gilding paper discharged by the discharging mechanism is gilded by the gilding mechanism. The second tensioning mechanism is used for tensioning the bronzing paper after the bronzing paper discharged by the discharging mechanism reduces an included angle between the bronzing paper and the printing medium by the second adjusting mechanism. The dustproof mechanism is used for preventing dust from entering the gold stamping device to influence the combination of the gold stamping layer and the printing medium. The supporting mechanism is used for supporting the conveying mechanism to convey the printing medium. The discharging mechanism and the waste material winding mechanism are arranged at two ends of the gold stamping device relatively, and the discharging mechanism and the waste material winding mechanism are arranged on the supporting mechanism.
In this embodiment, the gold stamping device is a gold stamping roller 710, and the discharging mechanism is a discharging roller 730; the first adjusting mechanism is a first adjusting roller 750, the first tensioning mechanism is a first tensioning roller 770, the waste winding mechanism is a waste collecting roller 740, the second adjusting mechanism is a second adjusting roller 760, the second tensioning mechanism is a second tensioning roller 780, the dustproof mechanism is a dustproof cover, and the supporting mechanism is a rack. The gold stamping roller 710 is arranged above the working surface of the third conveying mechanism 940 and used for transferring the gold stamping layer on the gold stamping paper 790 to a printing medium, a third gap is formed between the gold stamping roller 710 and the working surface of the third conveying mechanism 940, and the third gap is used for allowing the printing medium and the gold stamping paper 790 to pass through. The bottom roller 720 is disposed below the working surface of the third conveyor 940 for providing support to the working surface of the third conveyor 940. The discharging roller 730 stores the gilding paper 790, and the waste collecting roller 740 collects the gilding paper 790 after gilding. The bronzing paper 790 is unreeled from the unreeling roller 730 and then recovered to the scrap collecting roller 740 through the third gap. The first adjusting roller 750 is arranged between the gold stamping roller 710 and the discharging roller 730, and the first adjusting roller 750 is in contact with the gold stamping paper 790 and is used for reducing the degree of a first included angle alpha between the gold stamping paper 790 and a printing medium when the gold stamping paper 790 enters the third gap; the second adjusting roller 760 is disposed between the bronzing roller 710 and the scrap collecting roller 740, and the second adjusting roller 760 is in contact with the bronzing paper 790, so as to reduce a degree of a second included angle β between the bronzing paper 790 and the printing medium after the bronzing paper 790 passes through the third gap. The first tension roller 770 is disposed between the discharging roller 730 and the first regulating roller 750, and is in contact with the bronzing paper 790 for tensioning the bronzing paper 790. The second tension roller 780 is provided between the scrap collecting roller 740 and the second regulating roller 760, and is in contact with the bronzing paper 790 for tensioning the bronzing paper 790. Meanwhile, the gold stamping device further comprises a dustproof mechanism for preventing dust from entering the gold stamping device to influence the combination of the gold stamping layer and the printing medium. In this embodiment, the dustproof mechanism is a dustproof cover, and the dustproof cover accommodates the feeding roller, the gold stamping roller, the garbage collecting roller, the first adjusting roller, the second adjusting roller, the first tensioning roller and the second tensioning roller in the dustproof cover to prevent dust outside the dustproof cover from entering the inside of the dustproof cover to influence the gold stamping effect.
The working principle of the gold stamping device 700 is as follows: the printing medium is conveyed between the gold stamping roller 710 and the bottom roller 720 by the third conveying mechanism 940, and the gold stamping paper 790 passes through the first tensioning roller 770, the first adjusting roller 750, the gold stamping roller 710, the second adjusting roller 760 and the second tensioning roller 780 in sequence and is wound on the waste collecting roller 740. The first regulating roller 750 reduces an included angle between the bronzing paper 790 and the printing medium when the bronzing paper 790 enters the third gap; the second adjusting roller 760 also reduces an included angle between the gilding paper 790 and the printing medium after the gilding paper 790 passes through the third gap, so as to ensure that the gilding paper 790 is in stable contact with the surface of the printing medium, thereby improving the gilding effect. After the printing medium is gilded, the printing medium is transported by the third transporting mechanism 930 to pass through a second solidifying mechanism, the second solidifying mechanism performs final solidification on the ink and the gilding layer on the printing medium, and the structure and the working principle of the second solidifying mechanism are well known to those skilled in the art and will not be described in detail herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A gold stamping device, characterized in that the gold stamping device comprises:
a conveying mechanism for conveying a printing medium;
the discharging mechanism is used for discharging the gold stamping paper;
the gold stamping mechanism is arranged opposite to the conveying mechanism and is used for hot stamping the gold stamping layer of the gold stamping paper discharged by the discharging mechanism on the printing medium conveyed by the conveying mechanism;
and the first adjusting mechanism is used for reducing an included angle between the gilding paper and the printing medium before the gilding paper discharged by the discharging mechanism is gilded by the gilding mechanism.
2. The gold stamping device of claim 1, further comprising:
and the first tensioning mechanism is used for tensioning the bronzing paper released by the discharging mechanism before the first adjusting mechanism reduces an included angle between the bronzing paper and the printing medium.
3. The gold stamping device of claim 1 or 2, further comprising:
and the waste material winding mechanism is used for recycling the residual part of the gold stamping mechanism after the gold stamping layer of the gold stamping paper is hot stamped on the printing medium.
4. The gold stamping device of claim 3, further comprising:
and the second adjusting mechanism is used for reducing an included angle between the gilding paper and the printing medium after the gilding paper discharged by the discharging mechanism is gilded by the gilding mechanism.
5. The gold stamping device of claim 4, further comprising:
and the second tensioning mechanism is used for tensioning the bronzing paper after the bronzing paper discharged by the discharging mechanism reduces an included angle between the bronzing paper and the printing medium by the second adjusting mechanism.
6. The gold stamping device of claim 5, further comprising:
and the dustproof mechanism is used for preventing dust from entering the gold stamping device to influence the combination of the gold stamping layer and the printing medium.
7. The gold stamping device of claim 6, further comprising:
and the supporting mechanism is arranged opposite to the gold stamping mechanism and is used for supporting the conveying mechanism to convey the printing medium.
8. The gold stamping device of claim 7,
the discharging mechanism and the waste material winding mechanism are arranged at two ends of the gold stamping device oppositely and are arranged on the supporting mechanism.
9. The gold stamping device of claim 1, further comprising:
and the deviation preventing mechanism is used for preventing the position deviation when the conveying mechanism conveys the printing medium.
10. An ink-jet gold stamping integrated production line is characterized by comprising an ink-jet printing device and a gold stamping device as claimed in any one of claims 1 to 9 located downstream of the ink-jet printing device.
CN202020335790.XU 2020-03-17 2020-03-17 Gold stamping device and ink-jet gold stamping integrated production line Active CN211994653U (en)

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CN202020335790.XU CN211994653U (en) 2020-03-17 2020-03-17 Gold stamping device and ink-jet gold stamping integrated production line

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115257157A (en) * 2021-04-30 2022-11-01 贵州省仁怀市申仁包装印务有限责任公司 Ink-jet gold stamping integrated production line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115257157A (en) * 2021-04-30 2022-11-01 贵州省仁怀市申仁包装印务有限责任公司 Ink-jet gold stamping integrated production line
CN115257157B (en) * 2021-04-30 2023-08-22 贵州省仁怀市申仁包装印务有限责任公司 Ink-jet gold stamping integrated production line

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