A double-sided code spraying system

Abstract

The utility model discloses a double -sided code spraying system, include: frame, paper feeding component and printing component, paper feeding component with printing component set up on frame, paper feeding component is used to provide a paper through printing component setting, printing component includes: cleaning device, front printing module, back printing module, drying module and paper turnover mechanism, the paper through paper feeding component is in turn through cleaning device, front printing module, drying module, paper turnover mechanism and back printing module. Through the application of the utility model, provide a kind of system suitable for the front and back of paper face are code printed, through the cooperation of paper feeding component and printing component, paper can be completed double -sided code spraying one time without artificial participation in transfer between different equipment;The double -sided code spraying system is relatively higher in compactness, and the occupied area is relatively smaller, and the accuracy and stability of code spraying are relatively higher.

Description

Technical Field

[0001] This utility model relates to the field of inkjet printing equipment technology, and in particular to a double-sided inkjet printing system. Background Technology

[0002] Currently, in the production of labels and packaging products, it is generally considered to perform inkjet printing on both the front and back of the paper, so as to form corresponding inkjet markings on different surfaces of the paper. In the existing technology, in order to achieve this double-sided inkjet printing, many manufacturers still consider using two relatively independent single-sided inkjet printing devices. After the paper is printed on the front of one device, it is temporarily rolled up and then manually transferred to another device for unwinding and printing on the back. The whole operation is very inconvenient and greatly affects the efficiency of double-sided inkjet printing. Utility Model Content

[0003] In view of this, in order to solve the above problems, the purpose of this utility model is to provide a double-sided inkjet printing system, including: a frame, a paper feeding assembly and a printing assembly, wherein the paper feeding assembly and the printing assembly are both disposed on the frame, and the paper feeding assembly is used to provide a piece of paper to be placed through the printing assembly; The printing assembly includes a cleaning device, a front printing module, a back printing module, a drying module, and a paper flipping mechanism. The paper passes sequentially through the cleaning device, the front printing module, the drying module, the paper flipping mechanism, and the back printing module via the paper feeding assembly.

[0004] In another preferred embodiment, the drying module includes a first drying mechanism and a second drying mechanism, through which the paper passes sequentially.

[0005] In another preferred embodiment, the paper feeding assembly includes an unwinding shaft, a paper feeding roller, a traction roller, and a rewinding shaft, wherein the unwinding shaft, the paper feeding roller, the traction roller, and the rewinding shaft are arranged sequentially along the paper's direction of movement.

[0006] In another preferred embodiment, the paper feeding assembly further includes: a plurality of support rollers, the plurality of support rollers being arranged sequentially along the paper moving direction, at least two of the support rollers being arranged below the front printing module, and at least two other support rollers being arranged below the back printing module.

[0007] In another preferred embodiment, the paper feeding assembly further includes: a first correction device and a second correction device, wherein the first correction device is disposed between the unwinding shaft and the paper feeding roller, and the second correction device is disposed between the paper flipping mechanism and the back printing module.

[0008] In another preferred embodiment, the device further includes: a first tension detection device, a second tension detection device, and a third tension detection device, wherein the first tension detection device is disposed between the unwinding shaft and the paper feeding roller, the second tension detection device is disposed between the traction roller and the take-up shaft, and the third tension detection device is disposed between the paper flipping mechanism and the back printing module.

[0009] In another preferred embodiment, the device further includes a winding device and a unwinding device, both of which are mounted on the frame. The winding device is located near the unwinding shaft, and the unwinding device is located near the take-up shaft.

[0010] In another preferred embodiment, it further includes a magnetic powder brake connected to the unwinding shaft.

[0011] In another preferred embodiment, the paper feed roller is driven by a first motor, and the traction roller is driven by a second motor.

[0012] In another preferred embodiment, the front printing module and the back printing module are arranged sequentially in a horizontal direction, the front printing module and the back printing module are arranged at the same horizontal height, the paper flipping mechanism is arranged below the front printing module, and the drying module is arranged below the back printing module.

[0013] Because this utility model adopts the above-mentioned technical solution, it has the following positive effects compared with the prior art: By applying this utility model, a system suitable for inkjet printing on the front and back of paper is provided. Through the cooperation of the paper feeding component and the printing component, the paper can be inkjet printed on both sides in one go without the need for manual transfer between different devices. This double-sided inkjet printing system has a high compactness, occupies a relatively small area, and has high accuracy and stability in inkjet printing. Attached Figure Description

[0014] Figure 1 This invention relates to a double-sided inkjet printing system.

[0015] In the attached image: 1. Frame; 2. Paper; 3. Cleaning device; 4. Front printing module; 5. Back printing module; 6. Paper flipping mechanism; 7. First drying mechanism; 8. Second drying mechanism; 9. Unwinding shaft; 10. Feed roller; 11. Traction roller; 12. Rewinding shaft; 13. Support roller; 14. First correction device; 15. Second correction device; 16. First tension detection device; 17. Second tension detection device; 18. Third tension detection device; 19. Winding device; 20. Unwinding device; 21. Magnetic powder brake. Detailed Implementation

[0016] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "back", "horizontal", and "vertical" are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0018] It should be noted that the terms "horizontal" and "vertical" in this utility model are used to describe approximate positional relationships, and not strictly "horizontal plane" or "vertical plane".

[0019] like Figure 1 The diagram illustrates a preferred embodiment of a duplex coding system, comprising: a frame 1, a paper feeding assembly, and a printing assembly. Both the paper feeding assembly and the printing assembly are mounted on the frame 1. The paper feeding assembly provides a sheet of paper 2, which is then passed through the printing assembly. Further, the frame 1 serves as a mounting base, allowing the paper feeding assembly and the printing assembly to be mounted at a position away from the ground. The frame 1 has at least one vertically extending plate structure. Figure 1 The vertical direction of the double-sided inkjet printing system shown is horizontal during actual installation.

[0020] Furthermore, in a preferred embodiment, the printing assembly includes: a cleaning device 3, a front printing module 4, a back printing module 5, a drying module, and a paper flipping mechanism 6. The paper 2 passes sequentially through the cleaning device 3, the front printing module 4, the drying module, the paper flipping mechanism 6, and the back printing module 5 via the paper feeding assembly. Further, the cleaning device 3 cleans the front and back sides of the paper 2 to ensure the printing module can print effectively on the surface of the paper 2, avoiding interference from dirt. Then, the paper 2 is printed on the front side by the front printing module 4, with the front side facing upwards. The front coding portion is then dried and cured by the drying module. Next, the paper 2 is flipped along the movement path by the paper flipping mechanism 6 so that the back side faces upwards. The paper 2 is then printed on the back side by the back printing module 5, and preferably, the back coding portion is dried and cured again by the drying module, thus completing the double-sided coding printing of the paper 2.

[0021] Furthermore, in a preferred embodiment, the cleaning device 3 includes a cleaning box, cleaning brushes, and a vacuum device. The cleaning box has an inlet and an outlet, and the vacuum device is connected to the interior of the cleaning box via a pipe. Two cleaning brushes are respectively arranged on the front and back of the paper. Further, when the paper 2 enters the cleaning box, the two cleaning brushes remove paper scraps or other dirt from its surface, and the vacuum device sucks away the dirt.

[0022] Furthermore, as a preferred embodiment, the drying module includes a first drying mechanism 7 and a second drying mechanism 8, through which the paper 2 passes sequentially. Further, the sequential passing of the paper 2 through the first drying mechanism 7 and the second drying mechanism 8 ensures the drying effect on the surface of the paper 2. Preferably, the internal drying functional elements of the first drying mechanism 7 and the second drying mechanism 8 are positioned to specifically dry the front or back of the paper 2. When drying the coding portion of the paper 2 can be completed using only one drying mechanism, the paper 2 can be guided to pass only through the first drying mechanism 7 or the second drying mechanism 8.

[0023] Furthermore, as a preferred embodiment, the first drying mechanism 7 and the second drying mechanism 8 are arranged to extend horizontally, and both the first drying mechanism 7 and the second drying mechanism 8 have a drying channel in the vertical direction, through which the paper 2 passes.

[0024] Furthermore, as a preferred embodiment, the front printing module 4 and the back printing module 5 are preferably UV inkjet devices, and the drying module is preferably a UV curing device.

[0025] Furthermore, as a preferred embodiment, the movement path of a portion of the paper 2 at the first drying mechanism 7 and the second drying mechanism 8 is constrained into an S-shape by a plurality of guide rollers.

[0026] Furthermore, in a preferred embodiment, the paper feeding assembly includes: an unwinding shaft 9, a paper feed roller 10, a traction roller 11, and a take-up shaft 12, which are arranged sequentially along the moving direction of the paper 2. Further, the unwinding shaft 9 is used to pre-place the rolled paper 2, and after being released by the paper feed roller 10 and passing through the front printing module 4 and the back printing module 5 along a preset moving path, the paper 2 is wound onto the take-up shaft 12 by the force applied by the traction roller 11.

[0027] Furthermore, in a preferred embodiment, the paper feeding assembly further includes: a plurality of support rollers 13, which are arranged sequentially along the moving direction of the paper 2. At least two support rollers 13 are disposed below the front printing module 4, and at least two other support rollers 13 are disposed below the back printing module 5. Further, each pair of support rollers 13 is arranged in pairs below the corresponding printing module, so that the paper 2 remains horizontally extended as it passes over the two support rollers 13, thereby facilitating the accurate operation of the printing module.

[0028] Furthermore, in a preferred embodiment, the paper feeding assembly further includes: a first correction device 14 and a second correction device 15. The first correction device 14 is disposed between the unwinding shaft 9 and the paper feeding roller 10, and the second correction device 15 is disposed between the paper flipping mechanism 6 and the back printing module 5. Furthermore, the first correction device 14 ensures that the paper 2 enters the front printing module 4 at a more accurate position, and the second correction device 15 ensures that the paper 2 enters the back printing module 5 more accurately.

[0029] Furthermore, as a preferred embodiment, the system further includes: a first tension detection device 16, a second tension detection device 17, and a third tension detection device 18. The first tension detection device 16 is disposed between the unwinding shaft 9 and the feed roller 10; the second tension detection device 17 is disposed between the traction roller 11 and the take-up shaft 12; and the third tension detection device 18 is disposed between the paper flipping mechanism 6 and the back-side printing module 5. Furthermore, the tension of the paper 2 at different positions is detected by the first tension detection device 16, the second tension detection device 17, and the third tension detection device 18, and the working state of the feed roller 10 and the traction roller 11 is adjusted accordingly.

[0030] Furthermore, as a preferred embodiment, it further includes: an upper winding device 19 and an lower winding device 20, both of which are disposed on the frame 1. The upper winding device 19 is disposed near the unwinding shaft 9, and the lower winding device 20 is disposed near the take-up shaft 12. Further, the frame 1 has an unwinding station and a take-up station. The unwinding shaft 9 is disposed at the unwinding station, and the take-up shaft 12 is disposed at the take-up station. Both the unwinding station and the take-up station are located at a high position on the frame 1. The upper winding device 19 is used to place or remove the unwinding shaft 9 at the unwinding station, and the lower winding device 20 is used to place or remove the take-up shaft 12 at the take-up station.

[0031] Furthermore, in a preferred embodiment, both the winding device 19 and the unwinding device 20 include a drive motor and a transfer arm. One end of the transfer arm is rotatably mounted on the frame 1 and is connected to the drive motor. The other end of the transfer arm forms a slot, in which the unwinding shaft 9 or the take-up shaft 12 is detachably arranged. The slot is movable to match the unwinding station or the take-up station so that the unwinding shaft 9 or the take-up shaft 12 can be assembled into place.

[0032] Furthermore, as a preferred embodiment, it also includes a magnetic powder brake 21, which is connected to the unwinding shaft 9. Furthermore, the magnetic powder brake 21 is connected to the unwinding shaft 9 via a transmission component such as a gear, thereby controlling the rotation of the unwinding shaft 9.

[0033] Furthermore, in a preferred embodiment, the paper feed roller 10 is driven by a first motor, and the traction roller 11 is driven by a second motor. Further, the first motor drives the rotation of the paper feed roller 10, and the second motor drives the rotation of the traction roller 11. Both the paper feed roller 10 and the traction roller 11 have sufficient friction with the paper 2 to move the paper 2.

[0034] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model.

[0035] Based on the above, this utility model also has the following embodiments: In a further embodiment of this utility model, the front printing module 4 and the back printing module 5 are arranged sequentially along the horizontal direction, and the front printing module 4 and the back printing module 5 are arranged at the same horizontal height. The paper flipping mechanism 6 is arranged below the front printing module 4, and the drying module is arranged below the back printing module 5.

[0036] In a further embodiment of this utility model, the first correction device 14, the front printing module 4, and the back printing module 5 are all disposed at a higher position on the bracket.

[0037] In a further embodiment of this utility model, the preferred movement path of the paper 2 in this application is: unwinding shaft 9, cleaning device 3, first tension detection device 16, first correction device 14, paper feed roller 10, front printing module 4, first drying mechanism 7, second drying mechanism 8, paper flipping mechanism 6, second correction device 15, third tension detection device 18, back printing module 5, first drying mechanism 7, second drying mechanism 8, traction roller 11, second tension detection device 17, and rewinding shaft 12.

[0038] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A double-sided inkjet printing system, characterized in that, include: The machine includes a frame, a paper feeding assembly, and a printing assembly, wherein the paper feeding assembly and the printing assembly are both mounted on the frame, and the paper feeding assembly is used to provide a piece of paper through the printing assembly. The printing assembly includes a cleaning device, a front printing module, a back printing module, a drying module, and a paper flipping mechanism. The paper passes sequentially through the cleaning device, the front printing module, the drying module, the paper flipping mechanism, and the back printing module via the paper feeding assembly.

2. The double-sided inkjet printing system according to claim 1, characterized in that, The drying module includes a first drying mechanism and a second drying mechanism, and the paper passes through the first drying mechanism and the second drying mechanism in sequence.

3. The double-sided inkjet printing system according to claim 1, characterized in that, The paper feeding assembly includes an unwinding shaft, a paper feeding roller, a traction roller, and a rewinding shaft, wherein the unwinding shaft, the paper feeding roller, the traction roller, and the rewinding shaft are arranged sequentially along the paper's movement direction.

4. The double-sided inkjet printing system according to claim 3, characterized in that, The paper feeding assembly further includes: a plurality of support rollers, which are arranged sequentially along the paper's moving direction, with at least two support rollers positioned below the front printing module and at least two other support rollers positioned below the back printing module.

5. The double-sided inkjet printing system according to claim 3, characterized in that, The paper feeding assembly further includes: a first correction device and a second correction device, wherein the first correction device is disposed between the unwinding shaft and the paper feeding roller, and the second correction device is disposed between the paper flipping mechanism and the back printing module.

6. The double-sided inkjet printing system according to claim 3, characterized in that, Also includes: The system comprises a first tension detection device, a second tension detection device, and a third tension detection device. The first tension detection device is disposed between the unwinding shaft and the paper feeding roller. The second tension detection device is disposed between the traction roller and the rewinding shaft. The third tension detection device is disposed between the paper flipping mechanism and the back printing module.

7. The double-sided inkjet printing system according to claim 3, characterized in that, Also includes: The machine includes a winding device and a winding unwinding device, both of which are mounted on the frame. The winding device is positioned near the unwinding shaft, and the winding unwinding device is positioned near the take-up shaft.

8. The double-sided inkjet printing system according to claim 3, characterized in that, Also includes: A magnetic powder brake, which is connected to the unwinding shaft.

9. The double-sided inkjet printing system according to claim 3, characterized in that, The paper feeding roller is driven by the first motor, and the traction roller is driven by the second motor.

10. The double-sided inkjet printing system according to claim 1, characterized in that, The front printing module and the back printing module are arranged sequentially in a horizontal direction, and the front printing module and the back printing module are arranged at the same horizontal height. The paper flipping mechanism is arranged below the front printing module, and the drying module is arranged below the back printing module.

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