CN115339225A - Double-sided printing device and printing method - Google Patents
Double-sided printing device and printing method Download PDFInfo
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- CN115339225A CN115339225A CN202210925534.XA CN202210925534A CN115339225A CN 115339225 A CN115339225 A CN 115339225A CN 202210925534 A CN202210925534 A CN 202210925534A CN 115339225 A CN115339225 A CN 115339225A
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- 238000007639 printing Methods 0.000 title claims abstract description 194
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 92
- 238000004804 winding Methods 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000007650 screen-printing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0804—Machines for printing sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/12—Machines with auxiliary equipment, e.g. for drying printed articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/045—Drying sheets, e.g. between two printing stations by radiation
- B41F23/0453—Drying sheets, e.g. between two printing stations by radiation by ultraviolet dryers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Screen Printers (AREA)
Abstract
The invention discloses a double-sided printing device and a printing method, which comprise a vertical table, a paper releasing mechanism, a paper winding mechanism, a first printing mechanism, a second printing mechanism and a paper surface changing mechanism, wherein the paper releasing mechanism is arranged on the vertical table; the front side of the vertical platform is sequentially provided with a first platform, a second platform and a third platform from bottom to top, the first printing mechanism comprises a first silk screen plate and a first printing scraper component, the second printing mechanism comprises a second printing screen plate and a second printing scraper component, and the paper face changing mechanism is arranged between the first platform and the second platform and is opposite to the paper releasing mechanism and the paper winding mechanism.
Description
Technical Field
The invention relates to the technical field of printing equipment, in particular to a double-sided printing device and a printing method.
Background
With the continuous development of social civilization, the printing industry is in a prosperous period, wherein double-sided printing is a commonly applied printing mode for saving paper resources.
However, in the prior art, during the double-sided printing process, the ink printed on the front side is often rubbed on other parts during the reverse-side printing, so that the printing effect of the printed front side is poor, and the impression cylinder which is rubbed with the ink can also pollute subsequent paper, thereby affecting the printing effect.
In order to solve the problems, the invention discloses a double-sided printing device and a printing method capable of drying the double sides of printing paper.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention discloses a double-sided printing device and a printing method.
In order to achieve the purpose, the invention is realized by the following technical scheme: a double-sided printing device comprises a vertical table, a paper releasing mechanism, a paper winding mechanism, a first printing mechanism, a second printing mechanism and a paper surface changing mechanism;
the front side of the vertical platform is sequentially provided with a first platform, a second platform and a third platform from bottom to top, the paper release mechanism is arranged above one side of the first platform in the length direction and used for supplying printing paper, and the paper winding mechanism is arranged above one side of the second platform in the length direction and used for winding the printing paper;
the first printing mechanism comprises a first silk-screen plate and a first printing scraper component, the first silk-screen plate is fixed in the middle of the first platform through a first mounting component, a gap for printing paper to pass through is reserved between the first silk-screen plate and the first platform, and the first printing scraper component is arranged at the bottom of the second platform and is right opposite to the first silk-screen plate;
the second printing mechanism comprises a second printing screen and a second printing scraper component, the second printing screen is fixed in the middle of the second platform through a second mounting component, a gap for printing paper to pass through is reserved between the second printing screen and the second platform, and the second printing scraper component is arranged at the bottom of the third platform and is right opposite to the second printing screen;
the paper surface changing mechanism is arranged between the first platform and the second platform and is opposite to the paper releasing mechanism and the paper winding mechanism, and the paper surface changing mechanism is a surface changing roller arranged on the vertical platform;
a first drying box is arranged above the first platform and close to the paper face changing mechanism, and a second drying box is arranged on the second platform and close to the paper winding mechanism.
As a preferable mode of the present invention, the paper releasing mechanism includes a first rotating shaft seat disposed above one side of the first platform, and a first material roller inserted into the first rotating shaft seat and wound with printing paper.
As a preferable mode of the invention, the paper winding mechanism comprises a servo motor, a second rotating shaft seat and a second material roller, wherein an output shaft of the servo motor is connected with a speed reducer, the speed reducer and the servo motor are both arranged at the back part of the vertical table corresponding to one side of the second platform, a driving shaft of the speed reducer penetrates through the vertical table to be connected with the second rotating shaft seat, and the second material roller is inserted into the second rotating shaft seat.
As a preferred mode of the invention, the first mounting assembly comprises two first overlapping columns which are arranged above the first platform and connected with the vertical platform, first overlapping edges are arranged on two adjacent sides of the two first overlapping columns, and the first screen printing screen plate is fixed on the two first overlapping edges through bolts.
As a preferred mode of the invention, the second mounting assembly comprises two second overlapping columns which are arranged above the second platform and connected with the vertical platform, second overlapping edges are arranged on two adjacent sides of the two second overlapping columns, and the second screen printing screen plate is fixed on the two second overlapping edges through bolts.
As a preferable mode of the present invention, the first printing squeegee assembly includes a first servo ball screw module, a first hydraulic cylinder, and a first squeegee, the first servo ball screw module is disposed at the bottom of the second platform, the first hydraulic cylinder is connected to the first servo ball screw module, and the first squeegee is connected to a drive shaft of the first hydraulic cylinder.
As a preferable mode of the present invention, the second printing squeegee assembly includes a second servo ball screw module, a second hydraulic cylinder, and a second squeegee, the second servo ball screw module is disposed at the bottom of the third platform, the second hydraulic cylinder is connected to the second servo ball screw module, and the second squeegee is connected to a drive shaft of the second hydraulic cylinder.
As a preferable mode of the present invention, the top walls of the first drying box and the second drying box are both provided with ultraviolet drying lamps, and two opposite sides of the first drying box and the second drying box are both provided with windows through which paper passes.
As a preferable mode of the present invention, the vertical platforms corresponding to the two opposite sides of the first platform are provided with first tensioning rollers, and the vertical platforms corresponding to the two opposite sides of the second platform are provided with second tensioning rollers.
A duplex printing method comprising at least the following:
the first step, printing the first surface of the printing paper: the paper releasing mechanism discharges materials and passes through the first printing mechanism, and the first printing scraper component is matched with the first silk screen plate to print the first surface of the printing paper;
and step two, drying the first surface of the printing paper: after printing of the first surface of the printing paper is finished, the printing paper enters a first drying box and is dried by an ultraviolet lamp in the first drying box;
and step three, printing the second surface of the printing paper: printing the second surface of the printing paper by the second printing scraper component and the second silk-screen plate in a matching way after the printing paper is subjected to surface changing by the paper surface changing mechanism passes through the second printing mechanism;
and fourthly, drying the second surface of the printing paper: and after the printing of the second surface of the printing paper is finished, the printing paper enters a second drying box and is dried by an ultraviolet lamp in the second drying box, and the dried printing paper is wound by a paper winding mechanism.
The invention realizes the following beneficial effects:
according to the invention, the first printing mechanism, the second printing mechanism and the paper surface changing mechanism are matched, so that double-sided printing of printing paper can be realized, and drying can be carried out when the printing of the first surface and the second surface of the printing paper is finished, so that the phenomenon that printing ink is adhered to other parts is effectively avoided, and the printing quality is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic view of the overall structure of the present disclosure;
fig. 2 is a schematic structural diagram of a paper winding mechanism disclosed by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples
Referring to fig. 1 and 2, a duplex printing apparatus includes a vertical table 10, a paper release mechanism 20, a paper take-up mechanism 30, a first printing mechanism 40, a second printing mechanism 50, and a paper face-changing mechanism 60;
the front face of the vertical platform is sequentially provided with a first platform 11, a second platform 12 and a third platform 13 from bottom to top, the paper releasing mechanism is arranged above one side of the first platform in the length direction and used for supplying printing paper, and the paper winding mechanism is arranged above one side of the second platform in the length direction and used for winding the printing paper;
the first printing mechanism comprises a first silk-screen plate 45 and a first printing scraper component, the first silk-screen plate is fixed in the middle of the first platform through a first mounting component, a gap for printing paper to pass through is reserved between the first silk-screen plate and the first platform, and the first printing scraper component is arranged at the bottom of the second platform and is right opposite to the first silk-screen plate;
the second printing mechanism comprises a second printing screen 55 and a second printing scraper component, the second printing screen is fixed in the middle of the second platform through a second mounting component, a gap for printing paper to pass through is reserved between the second printing screen and the second platform, and the second printing scraper component is arranged at the bottom of the third platform and is right opposite to the second printing screen;
the paper surface changing mechanism is arranged between the first platform and the second platform and is opposite to the paper releasing mechanism and the paper winding mechanism, and the paper surface changing mechanism is a surface changing roller arranged on the vertical platform;
a first drying box 70 is arranged above the first platform and close to the paper surface changing mechanism and used for drying the printing paper with the printed first surface, and a second drying box 80 is arranged on the second platform and close to the paper rolling mechanism. The drying device is used for drying the printing paper with the second surface printed.
In one embodiment, the paper releasing mechanism includes a first shaft seat 21 disposed above one side of the first platform and a first material roller 22 inserted into the first shaft seat and wound with printing paper, the paper releasing mechanism is used in cooperation with the paper winding mechanism, and when the paper winding mechanism works, the first material roller rotates in the first shaft seat, and during the rotation of the first material roller, the printing paper wound on the surface of the first material roller passes through the first platform to the first printing mechanism, the first drying box, the paper surface changing mechanism, the second printing mechanism, the second drying box and the paper winding mechanism.
In one embodiment, the paper winding mechanism comprises a servo motor 31, a second rotating shaft seat 33 and a second material roller 34, wherein the output shaft of the servo motor is connected with a speed reducer 32, the speed reducer and the servo motor are arranged on the back of a vertical table corresponding to one side of the second table, a driving shaft of the speed reducer penetrates through the vertical table to be connected with the second rotating shaft seat, the second material roller is inserted into the second rotating shaft seat, the second rotating shaft seat rotates under the matching of the servo motor and the speed reducer, and the second material roller inserted into the second rotating shaft seat winds up the printing paper which is printed on two sides and dried.
In one embodiment, the first mounting assembly comprises two first overlapping columns 44 arranged above the first platform and connected with the vertical platform, first overlapping edges 46 are arranged on two adjacent sides of the two first overlapping columns, the first screen printing plate is fixed on the two first overlapping edges through bolts, and the first screen printing plate is fixed with the two overlapping columns through bolts, so that the first mounting assembly can be conveniently detached by an operator.
In one embodiment, the second mounting assembly comprises two second overlapping columns 54 which are arranged above the second platform and connected with the vertical platform, second overlapping edges 56 are arranged on two adjacent sides of the two second overlapping columns, the second screen printing plate is fixed on the two second overlapping edges through bolts, and the second screen printing plate is fixed with the two overlapping columns through the bolts, so that the second mounting assembly is also convenient for an operator to detach.
In one embodiment, the first printing scraper assembly includes a first servo ball screw module 41, a first hydraulic cylinder 42 and a first scraper 43, the first servo ball screw module is disposed at the bottom of the second platform, the first hydraulic cylinder is connected with the first servo ball screw module, the first scraper is connected with a driving shaft of the first hydraulic cylinder, when the first surface of the printing paper is printed, the first hydraulic cylinder drives the first scraper to descend and contact with the first screen printing screen, and when the first ball screw module drives the first hydraulic cylinder to reciprocate, the printing on the printing paper can be realized.
In one embodiment, the second printing scraper assembly includes a second servo ball screw module 51, a second hydraulic cylinder 52 and a second scraper 53, the second servo ball screw module is disposed at the bottom of the third platform, the second hydraulic cylinder is connected to the second servo ball screw module, the second scraper is connected to a driving shaft of the second hydraulic cylinder, when printing the second surface of the printing paper, the second hydraulic cylinder drives the second scraper to descend and contact with the second screen printing screen, and when the second ball screw module drives the second hydraulic cylinder to reciprocate, the printing of the printing paper can be realized.
It should be noted that, in order to meet the use requirements of different customers, the number of the first printing mechanisms and the second printing mechanisms in the invention may be multiple, and the silk screen plates corresponding to each of the first printing mechanisms and the second printing mechanisms are exposed with patterns in advance.
In one embodiment, the inner top walls of the first drying box and the second drying box are provided with ultraviolet drying lamps 100, and the opposite sides of the first drying box and the second drying box are provided with windows through which paper passes, when the first side of the printing paper is printed and passes through the first drying box, the ultraviolet drying lamps in the first drying box dry the printing paper, and when the second side of the printing paper is printed and passes through the second drying box, the ultraviolet drying lamps in the second drying box dry the printing paper.
In one embodiment, the first tensioning roller 90 is arranged on the corresponding vertical table above the two opposite sides of the first platform, the second tensioning roller 110 is arranged on the corresponding vertical table above the two opposite sides of the second platform, and the first tensioning roller and the second tensioning roller can ensure that the printing paper is in a tensioned state, so that the first surface printing, the first surface drying, the surface changing, the second printing and the second surface drying of the printing paper are ensured.
A duplex printing method comprising at least the following:
the first step, printing the first surface of the printing paper: the paper releasing mechanism discharges materials and passes through the first printing mechanism, and the first printing scraper component is matched with the first silk screen plate to print the first surface of the printing paper;
and step two, drying the first surface of the printing paper: after printing of the first surface of the printing paper is finished, the printing paper enters a first drying box and is dried by an ultraviolet lamp in the first drying box;
and step three, printing the second surface of the printing paper: printing the second surface of the printing paper by the second printing scraper component and the second silk-screen plate in a matching way after the printing paper is subjected to surface changing by the paper surface changing mechanism passes through the second printing mechanism;
and fourthly, drying the second surface of the printing paper: and after the printing of the second surface of the printing paper is finished, the printing paper enters a second drying box and is dried by an ultraviolet lamp in the second drying box, and the dried printing paper is wound by a paper winding mechanism.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A double-sided printing device is characterized by comprising a vertical table, a paper releasing mechanism, a paper winding mechanism, a first printing mechanism, a second printing mechanism and a paper surface changing mechanism;
the front side of the vertical platform is sequentially provided with a first platform, a second platform and a third platform from bottom to top, the paper release mechanism is arranged above one side of the first platform in the length direction and used for supplying printing paper, and the paper winding mechanism is arranged above one side of the second platform in the length direction and used for winding the printing paper;
the first printing mechanism comprises a first silk-screen plate and a first printing scraper component, the first silk-screen plate is fixed in the middle of the first platform through a first mounting component, a gap for printing paper to pass through is reserved between the first silk-screen plate and the first platform, and the first printing scraper component is arranged at the bottom of the second platform and is right opposite to the first silk-screen plate;
the second printing mechanism comprises a second printing screen and a second printing scraper component, the second printing screen is fixed in the middle of the second platform through a second mounting component, a gap for printing paper to pass through is reserved between the second printing screen and the second platform, and the second printing scraper component is arranged at the bottom of the third platform and is right opposite to the second printing screen;
the paper surface changing mechanism is arranged between the first platform and the second platform and is opposite to the paper releasing mechanism and the paper winding mechanism, and the paper surface changing mechanism is a surface changing roller arranged on the vertical platform;
a first drying box is arranged above the first platform and close to the paper surface changing mechanism, and a second drying box is arranged on the second platform and close to the paper rolling mechanism.
2. The duplex printing apparatus of claim 1, wherein the paper release mechanism comprises a first pivot base disposed above one side of the first platform and a first feed roller inserted into the first pivot base and wrapped with printing paper.
3. A duplex printing apparatus according to claim 1, wherein the paper winding mechanism includes a servo motor, a second rotation shaft seat and a second material roller, the output shaft of the servo motor is connected to a speed reducer, the speed reducer and the servo motor are both disposed on a back portion of the vertical table corresponding to one side of the second table, a driving shaft of the speed reducer passes through the vertical table and is connected to the second rotation shaft seat, and the second material roller is inserted into the second rotation shaft seat.
4. The double-sided printing device according to claim 1, wherein the first mounting assembly comprises two first overlapping posts arranged above the first platform and connected with the vertical platform, and two adjacent sides of the two first overlapping posts are provided with first overlapping edges, and the first screen plate is fixed on the two first overlapping edges through bolts.
5. A duplex printing apparatus according to claim 1, wherein the second mounting assembly comprises two second overlapping posts arranged above the second platform and connected with the vertical platform, and second overlapping edges are arranged at two adjacent sides of the two second overlapping posts, and the second screen plate is fixed on the two second overlapping edges through bolts.
6. The duplex printing apparatus of claim 1, wherein the first printing squeegee assembly comprises a first servo ball screw module, a first hydraulic cylinder, and a first squeegee, the first servo ball screw module being disposed at a bottom of the second platform, the first hydraulic cylinder being connected to the first servo ball screw module, the first squeegee being connected to a drive shaft of the first hydraulic cylinder.
7. The duplex printing apparatus of claim 1, wherein the second printing squeegee assembly comprises a second servo ball screw module, a second hydraulic cylinder and a second squeegee, the second servo ball screw module is disposed at the bottom of the third platform, the second hydraulic cylinder is connected to the second servo ball screw module, and the second squeegee is connected to a driving shaft of the second hydraulic cylinder.
8. The double-sided printing device according to claim 1, wherein the top wall of the first drying box and the second drying box are provided with ultraviolet drying lamps, and opposite sides of the first drying box and the second drying box are provided with windows for paper to pass through.
9. A perfecting printing unit as claimed in claim 1, wherein said first platform is provided with first tensioning rollers on respective vertical tables on opposite sides thereof, and said second platform is provided with second tensioning rollers on respective vertical tables on opposite sides thereof.
10. A method of duplex printing according to any of claims 1-9 and comprising at least the following:
the first step, printing the first surface of the printing paper: the paper releasing mechanism discharges materials and passes through the first printing mechanism, and the first printing scraper component is matched with the first silk screen plate to print the first surface of the printing paper;
and step two, drying the first surface of the printing paper: after printing of the first surface of the printing paper is finished, the printing paper enters a first drying box and is dried by an ultraviolet lamp in the first drying box;
and step three, printing the second surface of the printing paper: printing the second surface of the printing paper by the second printing scraper component and the second silk-screen plate in a matching way after the printing paper passes through the second printing mechanism and is changed by the paper face changing mechanism;
and fourthly, drying the second surface of the printing paper: and after the printing of the second surface of the printing paper is finished, the printing paper enters a second drying box and is dried by an ultraviolet lamp in the second drying box, and the dried printing paper is wound by a paper winding mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210925534.XA CN115339225A (en) | 2022-08-03 | 2022-08-03 | Double-sided printing device and printing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210925534.XA CN115339225A (en) | 2022-08-03 | 2022-08-03 | Double-sided printing device and printing method |
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| CN115339225A true CN115339225A (en) | 2022-11-15 |
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| CN112606539A (en) * | 2020-12-14 | 2021-04-06 | 芜湖韩大防伪科技有限公司 | Full-automatic double-sided screen printer |
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Application publication date: 20221115 |