CN215826273U - Double-sided printing positioning device - Google Patents
Double-sided printing positioning device Download PDFInfo
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- CN215826273U CN215826273U CN202121755468.3U CN202121755468U CN215826273U CN 215826273 U CN215826273 U CN 215826273U CN 202121755468 U CN202121755468 U CN 202121755468U CN 215826273 U CN215826273 U CN 215826273U
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Abstract
The utility model relates to a double-sided printing positioning device, which comprises a printing module, a mark printing unit, a material roller, a mark identification device and a printing control unit, wherein a printing nozzle is arranged in the printing module, the printing module comprises a first printing module and a second printing module, the first printing module is positioned above a first printing area and used for carrying out ink-jet printing on the front surface of a printing medium, and the second printing module is positioned above a second printing area and used for carrying out ink-jet printing on the back surface of the printing medium; the mark printing unit is arranged on the printing module, connected with the printing nozzle and used for controlling the printing nozzle to print marks between two adjacent content pages on a printing medium; the material roller comprises a rubber covered roller I and a rubber covered roller II, and at least one side of the rubber covered roller I and one side of the rubber covered roller II are respectively provided with an encoder; the mark recognition device is mounted on the side of the printing medium. The double-sided printing machine has the beneficial effects of high feeding precision, accurate positioning of double-sided printing pages, high page overlapping degree and high yield.
Description
Technical Field
The utility model relates to the technical field of ink-jet printing equipment, in particular to a double-sided positioning printing device.
Background
In order to realize double-sided printing, in current printers in printing markets of books, newspapers, magazines and the like, after one surface of a printing medium is usually subjected to jet printing, the printing medium is inverted to the other surface to be subjected to jet printing, and jet printing areas on the front surface and the back surface are required to be completely overlapped.
For a large-scale high-yield printing production line, a printing material roll is very large, printing, cutting, stacking and binding of dozens of books can be completed after one-time feeding, so that the requirement on the accuracy of the overlap ratio of front printing and back printing of a printer is very high, dislocation is not allowed to occur, and during printing, ink is not jetted from each jet orifice, so that certain jet orifices which jet ink frequently are blocked due to ink drying, the printing effect is influenced, and the yield is reduced; also need carry out accurate location to cutting line when cutting printing medium, otherwise influence going on of subsequent handling, lead to output to reduce by a wide margin.
The existing technology is difficult to ensure the accuracy of superposition when in accurate positioning, most equipment adopts a multi-point pinch roller and a long material roller to compress, the long material roller and the long material roller to compress, and the like, and a linear contact friction mode to ensure the accuracy of paper feeding as accurate as possible, but in the running process of a printer, the roller can drive the roller to rotate because of a motor, and the printing medium moves to generate certain jumping, and the jumping generated by mutually compressing two devices can be superposed regardless of the pinch roller and the long material roller compressing mode or the long material roller compressing mode, so that the printing medium moves more unstably, and the modes are difficult to ensure that the printing medium does not lose steps in the moving process, and the requirements on the processing accuracy and the assembly accuracy of parts are high, and the technical level requirements on assembly personnel are also high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-sided printing positioning device to solve the defects in the prior art, and the technical problem to be solved by the utility model is realized by the following technical scheme.
A double-sided printing positioning device comprises a printing module, a mark printing unit, a material roller, a mark identification device and a printing control unit, wherein a printing nozzle is installed in the printing module, the printing module comprises a first printing module and a second printing module, the first printing module is positioned above a first printing area and used for performing ink-jet printing on the front surface of a printing medium, and the second printing module is positioned above a second printing area and used for performing ink-jet printing on the back surface of the printing medium; the mark printing unit is arranged on the printing module, connected with the printing nozzle and used for controlling the printing nozzle to print marks between two adjacent content pages on a printing medium; the material roller comprises an rubber covered roller I and a rubber covered roller II, and at least one side of the rubber covered roller I and one side of the rubber covered roller II are respectively provided with an encoder; the mark identification device is arranged on the side of a printing medium and used for identifying the printing mark and feeding back mark information to the printing control unit; the printing control unit is respectively connected with the printing module, the mark printing unit, the encoder and the mark identification device.
Preferably, the printing control device further comprises a printing triggering unit, wherein the printing triggering unit is arranged on the first printing module and the second printing module and is connected with the printing control device.
Preferably, the first printing module and the second printing module are respectively provided with a distributor, the distributors are respectively connected with the printing trigger unit and the printing nozzles and are used for distributing the printing signals of the printing trigger unit to the printing nozzles for printing, and the printing trigger unit is connected with the printing control unit.
Preferably, the mark printing unit comprises a first mark printing unit arranged on the first printing module, and the first mark printing unit is used for controlling the printing nozzle to print the first mark on one side between two adjacent content pages on the front surface of the printing medium.
Preferably, the mark recognition device includes a first mark recognition unit that is provided in front of the second printing area and corresponds to a position of the first mark.
Preferably, the mark recognition device includes a third mark recognition unit provided in front of the cutting device of the printer and corresponding to the position of the first mark.
Preferably, the mark printing unit includes a second mark printing unit disposed on the first printing module or the second printing module, and the second mark printing unit is configured to control the printing nozzle to print a second mark on one side between two adjacent content pages on the front side or the back side of the printing medium.
Preferably, the mark recognition device comprises a second mark recognition unit which is arranged in front of the stacking device of the printer and corresponds to the position of the second mark.
Preferably, the first mark and the second mark are respectively square with unequal lengths in the X direction, and the mark recognition device is a photoelectric sensor.
Preferably, the first mark and the second mark are in different shapes, the mark recognition device is a camera, and the camera is connected with the image processing unit.
According to the utility model, the paper feeding precision of the printing medium is improved through the arrangement of the rubber covered roller and the encoder; through setting up mark printing unit and mark recognition device for the coincidence degree of the positive and negative face printing page of print medium improves, the position of cutting the line obtains accurate location, the beat of separating the buttress obtains accurate control, makes the yield of printing promote, and printing output obtains improving.
The double-sided printing positioning device provided by the utility model has the beneficial effects of high feeding precision, accurate positioning of double-sided printing pages, high page overlapping degree and high yield.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a print medium according to the present invention;
the reference numbers in the drawings are, in order: 1. the printing device comprises a first printing module 11, a content page 12, a full-color-spraying bar 13, a first mark 14, a second mark 2, a second printing module 3, rubber covered rollers I and 4, rubber covered rollers II and 5 and a mark identification device.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1:
referring to fig. 1, a double-sided printing positioning device is improved in that: the printing device comprises a printing module, a mark printing unit, a material roller, a mark identification device 5 and a printing control unit, wherein a printing nozzle is arranged in the printing module, the printing module comprises a first printing module 1 and a second printing module 2, the first printing module 1 is positioned above a first printing area and is used for performing ink-jet printing on the front surface of a printing medium, and the second printing module 2 is positioned above a second printing area and is used for performing ink-jet printing on the back surface of the printing medium; the mark printing unit is arranged on the printing module, connected with the printing nozzle and used for controlling the printing nozzle to print marks between two adjacent content pages on a printing medium; the material roller comprises an rubber covered roller I3 and a rubber covered roller II4, and at least one side of the rubber covered roller I3 and one side of the rubber covered roller II4 are respectively provided with an encoder; the mark identification device is arranged on the side of a printing medium and used for identifying the printing mark and feeding back mark information to the printing control unit; the printing control unit is respectively connected with the printing module, the mark printing unit, the encoder and the mark identification device.
In the embodiment, a point-line contact friction mode such as pressing of a multi-point pressing wheel and a long material roller and pressing of the long material roller and the long material roller in the prior art is replaced by a rubber covered roller and encoder mode, the jumping of the two devices is reduced to the jumping of one device, the self jumping of the material roller is minimized, the friction force between the rubber covered roller and a printing medium is larger so far, the movement of the printing medium is more stable and controllable, and the feeding accuracy is guaranteed to the maximum extent; the printing control unit controls the mark printing unit to print marks, wherein the marks can be reverse side printing marks or cutting marks or stacking marks; the printing control unit accurately controls the second printing module 2 to print the back side according to the mark information and the moving distance of the printing medium fed back by the encoder; the back side printing mark and the cutting mark can be the same mark, when the mark recognition device 5 positioned in front of the cutting device of the printer detects the cutting mark, the mark information is transmitted to the printing control unit, the printing control unit accurately controls the cutting device to cut the printing medium in pages according to the mark information and the moving distance of the printing medium fed back by the encoder, or the first printing module 1 or the second printing module 2 prints the cutting mark on the front side or the back side of the printing medium, when the mark recognition device positioned in front of the cutting device of the printer detects the cutting mark, the mark information is transmitted to the printing control unit, and the printing control unit accurately controls the cutting device to cut the printing medium according to the mark information and the moving distance of the printing medium fed back by the encoder; the stack separating mark is printed on one side of the front surface or the back surface of a printing medium by the first printing module 1 or the second printing module 2, after the mark identifying device 5 positioned in front of the stack separating device detects the stack separating mark, the mark information is transmitted to the printing control unit, the printing control unit identifies that the printing of a book is completed, the stack separating and binding are needed, and then the stack separating device can be accurately controlled according to the mark information and the moving distance of the printing medium fed back by the encoder to transmit a stack of printed pages which are printed to the binding area for binding.
In the embodiment, the paper feeding precision of the printing medium is improved by arranging the rubber covered roller and the encoder; through setting up mark printing unit and mark recognition device for the contact ratio of printing medium's positive and negative printing page improves, the position of cutting the line obtains accurate location, the beat of dividing the buttress obtains accurate control, makes the yield of printing obtain promoting, and printing output obtains improving, and the two-sided printing positioner that this embodiment provided has the beneficial effect that the material precision is high, two-sided printing page location is accurate, the contact ratio is high, the yield is high.
Example 2:
on the basis of the embodiment 1, the printing control device further comprises a printing triggering unit, wherein the printing triggering unit is arranged on the first printing module 1 and the second printing module 2 and is connected with the printing control device.
Preferably, the first printing module 1 and the second printing module 2 are respectively provided with a distributor, the distributors are respectively connected with the printing trigger unit and the printing nozzles and are used for distributing the printing signals of the printing trigger unit to the printing nozzles for printing, and the printing trigger unit is connected with the printing control unit.
In this embodiment, in order to ensure that the situation of ink dry nozzle clogging does not occur when the print head prints each page again, when printing, the print control unit transmits a full-spraying signal to the print trigger unit before each page of content is printed according to the content to be printed, and the print trigger unit distributes the full-spraying signal to each print head by the distributor so that each nozzle of the print head performs ink-jetting once before each page of content is printed or after several pages of content are printed, so that each nozzle of each print head performs ink-jetting once periodically to ensure the wettability of the nozzle, thereby preventing the ink dry nozzle from clogging and affecting printing, as shown in fig. 2, a full-spraying bar 12 is formed on the print medium after the full-spraying, and the full-spraying bar 12 is cut off in the subsequent cutting process without affecting the page of the content to be printed.
Example 3:
on the basis of the embodiment 1 or 2, the mark printing unit comprises a first mark printing unit arranged on the first printing module 1, and the first mark printing unit is used for controlling a printing nozzle to print a first mark on one side between two adjacent content pages on the front surface of a printing medium.
Preferably, the mark recognition device includes a first mark recognition unit that is provided in front of the second printing area and corresponds to a position of the first mark.
Preferably, the mark recognition device includes a third mark recognition unit provided in front of the cutting device of the printer and corresponding to the position of the first mark.
In this embodiment, as shown in fig. 2, the first mark 13 is a reverse side printing mark, the printing nozzle of the first printing module 1 prints on one side between two adjacent content pages 11 on the front side of the printing medium, after the first mark identification unit located in front of the second printing area detects the reverse side printing mark, the mark information is fed back to the printing control unit, and it should be noted that the first mark recognition device is arranged before the second printing area, which means that the first mark recognition device is arranged at a position before the printing medium enters the second printing area, so as to obtain the signal of the back printing before the back printing is carried out, so as to ensure the height coincidence of the pages of the front side and the back side, and the printing control unit accurately controls the second printing module 2 to carry out the back printing according to the mark information and the moving distance of the printing medium fed back by the encoder; in the embodiment, the reverse side printing mark and the cutting mark are the same mark, when the third mark identification unit positioned in front of the cutting device of the printer detects the cutting mark, the mark information is transmitted to the printing control unit, and the printing control unit accurately controls the cutting device to cut the printing medium in pages according to the mark information and the moving distance of the printing medium fed back by the encoder.
Example 4:
on the basis of embodiment 3, the mark printing unit includes a second mark printing unit disposed on the first printing module 1 or the second printing module 2, and the second mark printing unit is configured to control the printing nozzle to print a second mark on a side between two adjacent content pages on the front side or the back side of the printing medium.
Preferably, the mark recognition device comprises a second mark recognition unit which is arranged in front of the stacking device of the printer and corresponds to the position of the second mark.
In this embodiment, the second mark 14 is a stack-separating mark, the printing control device controls the second mark printing unit to print the second mark 14 on one side of the end page of a book, a magazine or a newspaper according to the content to be printed, the second mark recognition unit located in front of the stack-separating device transmits the mark information to the printing control unit after detecting the stack-separating mark, and the printing control unit recognizes that the printing of the book, the magazine or the newspaper is completed and needs to be performed with stack-separating binding, and then the stack-separating device is accurately controlled to transmit the printed stack of printed pages to the binding area for binding according to the mark information and the moving distance of the printing medium fed back by the encoder.
Example 5:
on the basis of embodiment 4, the first mark and the second mark are respectively square with unequal X-direction lengths, and the mark identification device is a photoelectric sensor.
In this embodiment, the X direction is a moving direction of the printing medium, and the photoelectric sensor may identify a length of the mark in the X direction to distinguish different marks, and transmit different signals to the printing control unit, so that the printing control unit performs subsequent job control according to the control of the mark information.
Example 6:
on the basis of embodiment 4, the first mark and the second mark are respectively in different shapes, the mark recognition device is a camera, and the camera is connected with the image processing unit.
In this embodiment, the camera takes a snapshot of the mark and transmits the snapshot to the image processing unit, the image processing unit identifies information represented by the mark according to the shape of the mark in the picture and transmits the information to the print control unit, and the print control unit controls subsequent job control according to the mark information.
It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or otherwise described herein.
Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways, such as by rotating it 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.
In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A kind of two-sided printing locating device, characterized by: the printing device comprises a printing module, a mark printing unit, a material roller, a mark identification device (5) and a printing control unit, wherein a printing nozzle is installed in the printing module, the printing module comprises a first printing module (1) and a second printing module (2), the first printing module (1) is positioned above a first printing area and used for performing ink-jet printing on the front surface of a printing medium, and the second printing module (2) is positioned above a second printing area and used for performing ink-jet printing on the back surface of the printing medium; the mark printing unit is arranged on the printing module, connected with the printing nozzle and used for controlling the printing nozzle to print marks between two adjacent content pages on a printing medium; the material roller comprises an rubber covered roller I (3) and a rubber covered roller II (4), and at least one side of the rubber covered roller I (3) and one side of the rubber covered roller II (4) are respectively provided with an encoder; the mark identification device is arranged on the side of a printing medium and used for identifying the printing mark and feeding back mark information to the printing control unit; the printing control unit is respectively connected with the printing module, the mark printing unit, the encoder and the mark identification device.
2. A duplex printing positioning apparatus according to claim 1, wherein: the printing control device further comprises a printing trigger unit, wherein the printing trigger unit is arranged on the first printing module (1) and the second printing module (2) and is connected with the printing control device.
3. A duplex printing positioning apparatus according to claim 2, wherein: the first printing module (1) and the second printing module (2) are respectively provided with a distributor, the distributors are respectively connected with the printing trigger unit and the printing nozzles and are used for distributing printing signals of the printing trigger unit to the printing nozzles for printing, and the printing trigger unit is connected with the printing control unit.
4. A duplex printing positioning apparatus according to claim 1, wherein: the mark printing unit comprises a first mark printing unit arranged on the first printing module (1), and the first mark printing unit is used for controlling a printing spray head to print a first mark on one side between two adjacent content pages on the front surface of a printing medium.
5. A duplex printing positioning apparatus according to claim 4, wherein: the mark recognition device comprises a first mark recognition unit which is arranged in front of the second printing area and corresponds to the position of the first mark.
6. A duplex printing positioning apparatus according to claim 4, wherein: the mark recognition device includes a third mark recognition unit that is provided in front of a cutting device of a printer and corresponds to a position of the first mark.
7. A duplex printing positioning apparatus according to claim 4, wherein: the mark printing unit comprises a second mark printing unit arranged on the first printing module (1) or the second printing module (2), and the second mark printing unit is used for controlling the printing nozzle to print a second mark on one side between two adjacent content pages on the front side or the back side of the printing medium.
8. A duplex printing positioning apparatus according to claim 6, wherein: the mark recognition device comprises a second mark recognition unit which is arranged in front of the stacking device of the printer and corresponds to the position of the second mark.
9. A duplex printing positioning apparatus according to claim 7, wherein: the first mark and the second mark are respectively square with unequal X-direction lengths, and the mark identification device is a photoelectric sensor.
10. A duplex printing positioning apparatus according to claim 7, wherein: the first mark and the second mark are in different shapes respectively, the mark recognition device is a camera, and the camera is connected with the image processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121755468.3U CN215826273U (en) | 2021-07-30 | 2021-07-30 | Double-sided printing positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121755468.3U CN215826273U (en) | 2021-07-30 | 2021-07-30 | Double-sided printing positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215826273U true CN215826273U (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121755468.3U Active CN215826273U (en) | 2021-07-30 | 2021-07-30 | Double-sided printing positioning device |
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| CN (1) | CN215826273U (en) |
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2021
- 2021-07-30 CN CN202121755468.3U patent/CN215826273U/en active Active
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