CN215590295U - Digital printing machine - Google Patents
Digital printing machine Download PDFInfo
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- CN215590295U CN215590295U CN202122171661.9U CN202122171661U CN215590295U CN 215590295 U CN215590295 U CN 215590295U CN 202122171661 U CN202122171661 U CN 202122171661U CN 215590295 U CN215590295 U CN 215590295U
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- paper
- roller
- base
- paper feeding
- coated paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/60—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
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Abstract
The utility model belongs to the technical field of the technique of printing machine and specifically relates to a digital printing machine is related to, which comprises a base, the one end of base is installed and is put the paper roller, the coated paper is hung and is put on putting the paper roller, the output department that the base is close to putting the paper roller is provided with and is used for carrying out the paper feeding device that pulls to the coated paper, the base is kept away from the one end of putting the paper roller and is installed the guide roller group, the bottom of putting the paper roller is installed and is received the paper roller, the middle part of base is provided with the printing unit, the printing unit is used for printing the coated paper, the output department that the base is close to the printing unit installs drying device, in order to improve the drying efficiency of digital printing machine at the printing in-process, this application provides a digital printing machine, can improve digital printing machine's jet printing quality.
Description
Technical Field
The application relates to the technical field of printing machines, in particular to a digital printing machine.
Background
In the printing field, the traditional carbon powder type printing machine cannot print on two sides of coated paper at the same time, and usually, after one side of a single piece of paper is printed, the single piece of paper is manually turned over to print the other side of the paper, so that the two-side printing is not only low in efficiency, but also easy to make mistakes, and the production cost is wasted. In addition, the traditional carbon powder type printer is limited by materials, can only print a small number of materials and cannot meet the daily requirements of people.
Digital printing machine can reach the effect of carrying out two-sided printing to coated paper, consequently, the wide people's of digital printing machine favor, and digital printing machine commonly used at present is including unwinding device, two printing unit, trade face ware, two drying device and coiling mechanism, and its principle is: the printing device comprises a unwinding device, two printing units, two drying devices and a winding device, wherein coated paper is placed on the unwinding device, the two printing units are connected through a surface changer to achieve the surface changing function of the coated paper, the two drying devices are arranged at the output ends of the two printing units respectively and are used for drying ink sprayed and printed on the coated paper, and finally the printed coated paper is wound up and stored through the winding device.
However, the drying device on the existing digital printing machine is generally installed on one side surface of the coated paper, wherein the commonly used drying device is mostly an ultraviolet lamp, and the coated paper is heated and irradiated by the ultraviolet lamp, so that the ink drying can be performed on the coated paper by spray printing, but the drying efficiency of a single side is relatively slow, the drying effect of the ink is not good, the phenomenon of damaging the spray printing content sometimes occurs, the rejection rate after the spray printing is high, and the cost is wasted.
Disclosure of Invention
In order to improve digital printing machine drying efficiency at the printing process, the application provides a digital printing machine, can improve digital printing machine's spout seal quality.
The application provides a digital printing machine adopts following technical scheme:
the utility model provides a digital printing machine, including the base, the one end of base is installed and is put the paper roller, and coated paper hangs and puts put on the paper roller, the base is close to the output department of putting the paper roller is provided with and is used for right coated paper carries out the paper feeding device who pulls, the base is kept away from the one end of putting the paper roller is installed the guide roller group, the bottom of putting the paper roller is installed and is received the paper roller, the middle part of base is provided with the printing unit, it is right that the printing unit is used for coated paper prints, the base is close to drying device is installed to the output department of printing unit.
By adopting the technical scheme, the coated paper is hung on the paper placing roller, the coated paper is elongated and passes through the middle part of the paper conveying device, the coated paper can move forwards under the driving of the paper conveying device, the guide roller group is set to provide a traction effect for the coated paper, the printing unit can print the front surface and the back surface of the coated paper, the drying device dries the ink sprayed on the coated paper, and finally, the paper collecting roller is arranged to roll up and store the coated paper after printing.
Preferably, the drying device comprises an ultraviolet curing lamp set, and the ultraviolet curing lamp set is installed at the position, close to the output end of the printing unit, of the base.
By adopting the technical scheme, the ultraviolet curing lamp can heat and irradiate the coated paper, so that the ink is dried by jet printing on the coated paper.
Preferably, a guide plate is fixed at the bottom of the ultraviolet curing lamp, and a drying fan set is embedded in the guide plate.
By adopting the technical scheme, the guide plate is arranged to provide the supporting function for the coated paper in the transportation process, the drying fan set is embedded in the guide plate, the drying efficiency of the ink on the coated paper can be further improved, the phenomenon that the content of jet printing is damaged is reduced, in addition, the air flow generated by the drying fan set can reduce the friction force between the coated paper and the guide plate and the static electricity generated by the friction between the coated paper and the guide plate, and the conveying efficiency and the printing quality of the coated paper are effectively improved.
Preferably, paper feeding device is including first paper feed roller and second paper feed roller, first paper feed roller with second paper feed roller is all installed the base is close to put the output end department of paper roller, be located between the second paper feed roller under first paper feed roller, leave the clearance that supplies coated paper to pass between first paper feed roller and the second paper feed roller, the one end of first paper feed roller is equipped with and is used for the drive first paper feed roller with second paper feed roller carries out pivoted paper feed drive assembly.
By adopting the technical scheme, the operator can draw the coated paper to move forwards by drawing the coated paper and enabling the drawn part to pass between the first paper conveying roller and the second paper conveying roller under the driving of the paper conveying driving component.
Preferably, the two opposite sides of the guide plate are provided with baffles.
By adopting the technical scheme, the baffle plates are arranged on the two sides of the guide plate which are opposite to each other, so that the coated paper can be prevented from deviating in the conveying process to a certain extent, the coated paper can be kept in a flat state, the phenomenon that the coated paper is tilted is reduced, and the printing quality of the digital printing machine can be improved.
Preferably, the bottom of the printing unit is provided with a carrier roller group.
Through adopting above-mentioned technical scheme, setting up of bearing roller group provides the effect that supports and pull for coated paper in the printing process.
Preferably, the guide roller group comprises a first guide roller and a second guide roller, and the first guide roller and the second guide roller are arranged in a right-to-right mode.
By adopting the technical scheme, the first guide roller and the second guide roller are arranged just right, so that the stress of the coated paper is uniform in the conveying process, the coated paper can accurately run synchronously with the paper conveying device and the paper collecting roller, and the printing precision can be improved.
Preferably, the paper placing roller and the paper collecting roller are both made of rubber.
Through adopting above-mentioned technical scheme, the paper roller of putting, the paper roller of receiving that rubber was made possess and have good wearability, can improve digital printer's life to a certain extent.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the guide plate is arranged to provide a supporting function for the coated paper in the transportation process, the drying fan set is embedded in the guide plate, the drying efficiency of ink on the coated paper can be further improved, the phenomenon that the content of jet printing is damaged is reduced, in addition, the air flow generated by the drying fan set can reduce the friction force between the coated paper and the guide plate and the static electricity generated by the friction between the coated paper and the guide plate, and the conveying efficiency and the printing quality of the coated paper are effectively improved;
2. the baffle plates are arranged on the two sides of the guide plate opposite to each other, so that the coated paper can be prevented from deviating in the conveying process to a certain extent, the coated paper can be kept in a flattened state, the phenomenon that the coated paper tilts is reduced, and the printing quality of the digital printing machine can be improved.
Drawings
Fig. 1 is a schematic overall structure diagram in the embodiment of the present application.
Fig. 2 is a sectional view of fig. 1.
Fig. 3 is a schematic structural diagram of a drying fan set in the embodiment of the present application.
Description of reference numerals: 1. a base; 2. coating paper; 3. a paper placing roller; 41. a first paper feed roller; 42. a second paper feed roller; 51. a front side printing unit; 52. a reverse side printing unit; 53. printing a spray head; 54. a carrier roller; 61. an ultraviolet curing lamp; 62. a guide plate; 63. a drying fan; 64. a baffle plate; 71. a first guide roller; 72. a second guide roller; 8. a paper collecting roller.
Detailed Description
In order to make the purpose, technical solution and advantages of the present application more clear, the present application is further described in detail below with reference to fig. 1-3 and the embodiments.
The embodiment of the application discloses a digital printing machine.
Referring to fig. 1 and 2, a digital printing machine comprises a base 1, a paper placing roller 3 is fixed at one end of the base 1, coated paper 2 is sleeved on the paper placing roller 3, and the material of the coated paper 2 is determined according to the situation.
A first paper feeding roller 41 and a second paper feeding roller 42 are arranged at the output end of the base 1 close to the paper discharging roller 3, wherein the first paper feeding roller 41 and the second paper feeding roller 42 are arranged in a manner of being opposite to each other up and down, a gap for the coated paper 2 to pass through is reserved between the first paper feeding roller 41 and the second paper feeding roller 42, the extending directions of the first paper feeding roller 41 and the second paper feeding roller 42 are consistent with the extending direction of the paper discharging roller 3, specifically, a first driving motor is arranged at one end of the base 1 close to the first paper feeding roller 41, the output shaft of the first driving motor is assembled with the tail end of the first paper feeding roller 41, a driving gear is arranged at one end of the first paper feeding roller 41 close to the first driving motor, correspondingly, a driven gear is arranged at one end of the second paper feeding roller 42 close to the driving gear, and the driving gear is meshed with the driven gear.
By elongating the coated paper 2 and passing the elongated portion of the coated paper 2 through the gap between the first feed roller 41 and the second feed roller 42, the rotation of the first feed roller 41 rotates the drive gear under the drive of the first drive motor, so that the driven gear engaged with the drive gear can rotate the second feed roller 42, that is, the first feed roller 41 and the second feed roller 42 can make reverse movements, the coated paper 2 can be pulled forward accordingly.
Referring to fig. 2, a first guide roller 71 and a second guide roller 72 are installed at one end of the base 1 far away from the paper placing roller 3, wherein the first guide roller 71 and the second guide roller 72 are arranged oppositely up and down, and the first roller and the second roller are circular rollers with the same shape and size. In addition, a paper collecting roller 8 is installed right below the paper releasing roller 3, in the embodiment of the application, the paper releasing roller 3 and the paper collecting roller 8 are both rubber rollers, the distance between the paper releasing roller 3 and the paper collecting roller 8 is consistent with the distance between the first guide roller 71 and the second guide roller 72, a second driving motor is arranged at one end, close to the paper collecting roller 8, of the base 1, and an output shaft of the second driving motor is assembled with one end of the paper collecting roller 8.
The coated paper 2 can be transported to the first guide roller 71 under the traction of the first paper feed roller 41 and the second paper feed roller 42, the coated paper 2 sequentially bypasses the first guide roller 71 and the second guide roller 72, and the delivery roll 8 can wind up and store the coated paper 2 under the drive of the second drive motor.
In order to print the coated paper 2 on both sides, a front side printing unit 51 is arranged between the paper discharge roller 3 and the first guide roller 71, a back side printing unit 52 is arranged between the second guide roller 72 and the paper collection roller 8, and specifically, the front side printing unit 51 and the back side printing unit 52 both comprise a printing nozzle 53 and a roller group, wherein the printing nozzle 53 and the roller group are arranged in a direct-facing manner, the number of rollers 54 in the roller group is determined according to the situation, the printing nozzle 53 is arranged above the coated paper 2, and the rollers 54 are used for supporting and drawing the coated paper 2.
In order to dry the ink jet printed on the coated paper 2, a drying device is arranged at the output ends of the front side printing unit 51 and the back side printing unit 52, wherein the drying device comprises an ultraviolet curing lamp set which is arranged on the base 1 and close to the top surface of the coated paper 2, the number of the ultraviolet curing lamps 61 in the ultraviolet curing lamp set is determined according to the situation, the length direction of the ultraviolet curing lamps 61 is consistent with the width direction of the coated paper 2, and the ultraviolet curing lamps 61 are used for heating and irradiating the coated paper 2, so that the ink jet printed on the coated paper 2 can be dried.
In addition, a guide plate 62 is arranged right below the ultraviolet curing lamp 61, the guide plate 62 and the base 1 are fixed in a welding mode, a drying fan set (refer to fig. 3) is embedded in the guide plate 62, the number of the drying fans 63 in the drying fan set is determined according to the situation, the drying efficiency of the ink can be improved due to the arrangement of the drying fan set, the friction between the coated paper 2 and the guide plate 62 can be reduced, and the jet printing quality of the digital printing machine is improved to a certain extent.
The baffle plate 64 is installed on the two opposite sides of the guide plate 62, the adjusting bolt is installed on the baffle plate 64 and is in threaded connection with one side of the base 1, the distance from the bottom surface of the baffle plate 64 to the top surface of the coated paper 2 can be adjusted by rotating the adjusting bolt, namely, the tightness of the tensile force of the coated paper 2 can be adjusted, when the deviation phenomenon occurs on the coated paper 2 through the guide plate 62, one side of the coated paper 2 is abutted to the inner side surface of the baffle plate 64, the function of preventing the deviation of the coated paper 2 can be achieved, and therefore the printing precision of the digital printing machine is improved.
The implementation principle of the digital printing machine in the embodiment of the application is as follows:
the operator hangs the coated paper 2 on the paper roll 3, draws a part of the coated paper 2 and passes it through the gap between the first paper feed roller 41 and the second paper feed roller 42, and the first paper feed roller 41 and the second paper feed roller 42 can pull the coated paper 2 forward under the drive of the first drive motor.
When the coated paper 2 passes through the front side printing unit 51, the printing head 53 prints on the front side of the coated paper 2, the coated paper 2 passes through the guide plate 62, the ultraviolet curing lamp 61 dries the front side of the coated paper 2, and the drying fan 63 can also dry the coated paper 2.
The coated paper 2 sequentially passes around the first guide roller 71 and the second guide roller 72, the reverse side printing unit 52 prints the reverse side of the coated paper 2, and similarly, the ultraviolet curing lamp 61 and the drying fan 63 installed at the output end of the reverse side printing unit 52 dry the coated paper 2.
Finally, the delivery roll 8 winds up and stores the coated paper 2 under the driving of the second driving motor.
The above are all preferred embodiments of the present application, and the present embodiment is only explained for the present application, and the protection scope of the present application is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a digital printing machine, including base (1), its characterized in that, the one end of base (1) is installed and is put paper roller (3), and coated paper (2) are hung and are put on paper roller (3), base (1) are close to put the output department of paper roller (3) and be provided with and be used for right coated paper (2) carry out the paper feed device that pulls, base (1) are kept away from put the one end of paper roller (3) and are installed guide roller group, put the bottom of paper roller (3) and install paper collection roller (8), the middle part of base (1) is provided with printing unit, printing unit is used for right coated paper (2) print, base (1) are close to drying device is installed to printing unit's output department.
2. A digital printer according to claim 1, wherein the drying means comprises a uv curing light bank mounted on the base (1) adjacent the output of the printing unit.
3. The digital printer according to claim 2, wherein a guide plate (62) is fixed at the bottom of the ultraviolet curing lamp (61), and a drying fan set is embedded in the guide plate (62).
4. The digital printing machine according to claim 1, wherein the paper feeding device comprises a first paper feeding roller (41) and a second paper feeding roller (42), the first paper feeding roller (41) and the second paper feeding roller (42) are both installed at the output end of the base (1) close to the paper placing roller (3), the second paper feeding roller (42) is located right below the first paper feeding roller (41), a gap for the coated paper (2) to pass through is reserved between the first paper feeding roller (41) and the second paper feeding roller (42), and one end of the first paper feeding roller (41) is provided with a paper feeding driving component for driving the first paper feeding roller (41) and the second paper feeding roller (42) to rotate.
5. A digital printer according to claim 3, characterised in that the guide plate (62) is fitted with baffles (64) on opposite sides.
6. A digital printing machine according to claim 1, wherein the bottom of the printing unit is provided with a set of carrier rollers.
7. A digital printer according to claim 1, characterised in that the set of guide rollers comprises a first guide roller (71) and a second guide roller (72), the first guide roller (71) and the second guide roller (72) being arranged directly opposite each other.
8. A digital printing machine according to claim 1, wherein said delivery cylinder (3) and said delivery cylinder (8) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171661.9U CN215590295U (en) | 2021-09-09 | 2021-09-09 | Digital printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122171661.9U CN215590295U (en) | 2021-09-09 | 2021-09-09 | Digital printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215590295U true CN215590295U (en) | 2022-01-21 |
Family
ID=79885309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122171661.9U Active CN215590295U (en) | 2021-09-09 | 2021-09-09 | Digital printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215590295U (en) |
-
2021
- 2021-09-09 CN CN202122171661.9U patent/CN215590295U/en active Active
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