CN220147017U - Printing headstock structure for sleeve position printing - Google Patents
Printing headstock structure for sleeve position printing Download PDFInfo
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- CN220147017U CN220147017U CN202321457810.0U CN202321457810U CN220147017U CN 220147017 U CN220147017 U CN 220147017U CN 202321457810 U CN202321457810 U CN 202321457810U CN 220147017 U CN220147017 U CN 220147017U
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- head structure
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- 239000007921 spray Substances 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000003137 locomotive effect Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of printing, and discloses a printing head structure for sleeve position printing, which comprises the following components: a headstock body; the spray heads are arranged on the machine head body, color code sensors are arranged at the positions of each spray head or the spray heads with the preset number at intervals, and the color code sensors are arranged on one side, away from the material paper feeding direction, of each spray head; the encoder is arranged on the headstock body and is positioned at the starting end of the material paper feeding direction; and the color code sensor and the encoder are electrically connected with the controller. The utility model can reduce the accumulated error caused by long distance, thereby reducing the deviation of the sleeve position printing and improving the precision and the quality of the sleeve position printing.
Description
Technical Field
The utility model relates to the technical field of printing, in particular to a printing head structure for sleeve position printing.
Background
And (3) overprinting, namely, overprinting and registering all color territory marks during printing to obtain overprinting patterns. At present, a printing head structure in a digital machine is provided with a plurality of spray heads, and the spray heads are used for spray printing of needed overprinting patterns. In the printing process of the printing head, the paper feeding length is detected through the encoder, the signal of the rotation angle of the encoder is converted into the signal of the material paper feeding length, the work of the spray heads is controlled according to the paper feeding length, and a certain paper feeding length is set to control the corresponding spray heads to carry out spray printing work. However, the existing printing head structure generally only sets a plurality of nozzles corresponding to one encoder, the references of the encoder converting the paper feeding length are the same, and errors exist in each conversion of the encoder to the material paper feeding length, and the more the nozzle is far from the encoder, the larger the accumulated errors are, for example: the 1 st nozzle prints a line, the last nozzle prints the same line on the material, and the line to be printed by the first nozzle is completely overlapped, and as the distance between the first nozzle and the last nozzle is far, the accumulated error of the paper feeding length converted by the encoder is large, so that the deviation of the sleeve positions of the two lines is large, the deviation of the sleeve positions is over 0.06mm, and the printing quality of the sleeve positions is affected.
Disclosure of Invention
In view of the above problems, the present utility model aims to provide a printing head structure for sleeve position printing, so as to solve the problem of larger sleeve position deviation of the existing printing head structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model relates to a printing head structure for sleeve position printing, which comprises:
a headstock body;
the spray heads are arranged on the machine head body, color code sensors are arranged at the positions of each spray head or the spray heads with the preset number at intervals, and the color code sensors are arranged on one side, away from the material paper feeding direction, of each spray head;
the encoder is arranged on the headstock body and is positioned at the starting end of the material paper feeding direction;
and the color code sensor and the encoder are electrically connected with the controller.
Preferably, a plurality of the color patch sensors are arranged at intervals along the material feeding direction.
Preferably, a position adjusting mechanism is arranged on one side of the spray head, which is away from the material paper feeding direction, and the color code sensor is mounted on the position adjusting mechanism, and the position adjusting mechanism can adjust the horizontal position and the vertical position of the color code sensor.
Preferably, the position adjusting mechanism comprises a guide rail, a transverse adjusting sleeve and a sliding table, wherein the transverse adjusting sleeve is arranged on the guide rail in a sliding mode, the sliding table is arranged on the transverse adjusting sleeve, and the color code sensor is movably arranged on the sliding table.
Preferably, the length direction of the guide rail is parallel to the width direction of the paper.
Preferably, the sliding table rotates and is provided with a screw, a connecting block is assembled on the screw in a threaded mode, and the color code sensor is installed on the sliding table through the connecting block.
Preferably, the first fixed block and the second fixed block are arranged on the sliding table at intervals, one end of the screw rod is rotatably arranged in the first fixed block, the other end of the screw rod is rotatably arranged in the second fixed block, and the other end of the screw rod extends out of the second fixed block upwards.
Preferably, a guide rod is further connected between the first fixing block and the second fixing block, and two sides of the screw rod are respectively provided with one guide rod.
Preferably, each of the spray heads is arranged on the same arcuate surface.
Compared with the prior art, the printing head structure for sleeve position printing has the beneficial effects that:
according to the printing head structure for sleeve printing, a plurality of spray heads are arranged on a head body, color code sensors are arranged at the positions of each spray head or spray heads with set quantity at intervals, spray printing patterns on paper are detected through the color code sensors, detection signals are fed back to a controller, the spray printing work of the spray heads is controlled according to the paper feeding length set by the corresponding spray heads according to the distance between the color code sensors and the corresponding spray heads, and each time the color code sensors detect the spray printing patterns on the paper, an encoder reconverts the paper feeding length by taking the color code sensors as a reference, and the spray printing work of the corresponding spray heads is controlled according to the reconverted paper feeding length. Because the relative distance between the spray head and the color code sensor is relatively close, the distance between the spray head and the encoder is shortened, and even the last spray head along the material paper feeding direction is smaller than the distance between the spray head and the color code sensor, the conversion accumulated error caused by long distance is reduced, so that the sleeve position printing deviation is reduced, and the sleeve position printing precision and the printing quality are improved.
Drawings
FIG. 1 is a schematic illustration of a print head structure for blanket printing according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic illustration of the installation of a color scale sensor in accordance with an embodiment of the present utility model;
FIG. 4 is a second schematic view of the installation of a color scale sensor in an embodiment of the utility model;
in the figure, 1, a headstock body; 2. a spray head; 3. a color patch sensor; 4. a position adjusting mechanism; 41. a guide rail; 42. a transverse adjusting sleeve; 43. a sliding table; 431. a screw; 432. a connecting block; 433. a guide rod; 434. a first fixed block; 435. and a second fixed block.
Detailed Description
In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 to fig. 4, a print head structure for overprinting in the embodiment of the utility model includes a head body 1, an encoder, a controller and a plurality of spray heads 2, wherein the spray heads 2 are all arranged on the head body 1, color mark sensors 3 are arranged at each spray head 2 or at the spray heads 2 with a set number per interval, the set number is smaller than the total amount of the spray heads, the set number can be 2, 3, 4, etc., the color mark sensors 3 are arranged at one side of each spray head, which is far away from the direction of material paper feeding, the color mark sensors 3 detect overprinting patterns first, and then spray printing is carried out through the spray heads, and the direction of material paper feeding is indicated by an arrow in fig. 2; the encoder is arranged on the headstock body 1 and positioned at the starting end of the material paper feeding direction, and is used for converting a rotating angle signal into the material paper feeding length so that each spray head 2 sprays patterns at a set position; and the color code sensor 3 and the encoder are electrically connected with the controller. The color code sensor 3 feeds back the detected overprinting pattern information to the controller, and the encoder reconverts and calculates the material paper feeding length according to the distance between the color code sensor and the corresponding spray heads, so that the paper feeding length reference according to which each spray head sprays is the color code sensor 3.
The color code sensor is used for detecting the spray printing pattern on the paper, the detection signal is fed back to the controller, the distance between the color code sensor and the corresponding spray head is used as the paper feeding length of the corresponding spray head, the spray printing work of the spray head is controlled according to the paper feeding length, and each time the color code sensor detects the spray printing pattern on the paper, the encoder reconverts the paper feeding length by taking the color code sensor as a reference, and the spray printing work of the corresponding spray head is controlled according to the reconverted paper feeding length. Because the relative distance between the spray head and the color code sensor is relatively close, the distance between the spray head and the encoder is shortened, and even the last spray head along the material paper feeding direction is smaller than the distance between the spray head and the color code sensor, the conversion accumulated error caused by long distance is reduced, so that the sleeve position printing deviation is reduced, and the sleeve position printing precision and the printing quality are improved.
Preferably, as shown in fig. 1 and fig. 2, each nozzle 2 is provided with a color mark sensor 3 on one side facing away from the material paper feeding direction, the nozzle body 1 of the embodiment is provided with seven nozzles 2, seven color mark sensors 3 are correspondingly provided, each color mark sensor 3 detects overprinting patterns, and the paper feeding distance is reconverted again, so that errors are reduced.
In this embodiment, the color code sensors 3 are disposed at intervals along the material paper feeding direction, so as to detect overprinting patterns at intervals, so that the calculation reference of the paper feeding distance is continuously changed along the material paper feeding direction, and the overprinting accuracy is improved.
In this embodiment, a plurality of nozzles 2 are disposed at intervals along the direction of feeding the material, and each of the nozzles 2 is disposed on the same arc surface.
In order to meet the requirements of paper with different widths and different thicknesses, preferably, a position adjusting mechanism 4 is arranged on one side, facing away from the material paper feeding direction, of the spray head 2, the color mark sensor 3 is mounted on the position adjusting mechanism 4, the position adjusting mechanism 4 can adjust the horizontal position and the vertical position of the color mark sensor 3, and the color mark sensor 3 can detect the spray printing pattern on the paper.
In this embodiment, as shown in fig. 3 and 4, the position adjusting mechanism 4 includes a guide rail 41, a lateral adjusting sleeve 42, and a sliding table 43, the lateral adjusting sleeve 42 is slidably sleeved on the guide rail 41, the sliding table 43 is mounted on the lateral adjusting sleeve 42, and the color scale sensor 3 is movably mounted on the sliding table 43. The lateral adjustment sleeve 42 drives the color code sensor 3 to slide along the guide rail 41, the horizontal position of the color code sensor 3 can be adjusted, the color code sensor 3 vertically slides along the sliding table 43, and the vertical position of the color code sensor 3 can be adjusted.
Preferably, the length direction of the guide rail 41 is parallel to the width direction of the paper, and when the color code sensor 3 moves along the guide rail 41, the relative position of the color code sensor 3 and the paper in the width direction is changed, so that when the paper is narrow, the color code sensor 3 is positioned beyond the edge of the paper and cannot detect the pattern on the paper.
In this embodiment, the sliding table 43 is rotatably provided with a screw 431, a connection block 432 is screwed on the screw 431, and the color scale sensor 3 is mounted on the sliding table 43 through the connection block 432. Rotating the screw 431, the connection block 432 moves up and down along the screw 431, and the connection block 432 drives the color code sensor 3 to move up and down along the screw 431, so that the vertical position of the color code sensor 3 is adjusted.
In this embodiment, the sliding table 43 is provided with a first fixing block 434 and a second fixing block 435, and the front surface of the sliding table 43 connected with the lateral adjustment sleeve 42 is the front surface, the first fixing block 434 and the second fixing block 435 are disposed on the back surface of the sliding table 43, and the first fixing block 434 and the second fixing block 435 are disposed at intervals up and down on the back surface of the sliding table 43. One end of the screw 431 is rotatably mounted in the first fixed block 434, the other end of the screw 431 is rotatably mounted in the second fixed block 435, and the other end of the screw 431 extends out of the second fixed block 435 upwards, so that the screw 431 can be conveniently rotated.
Further, a guide rod 433 is further connected between the first fixing block 434 and the second fixing block 435, and two sides of the screw 431 are respectively provided with the guide rod 433. The connection block 432 is provided with a through hole for the guide rod 433 to pass through, and the guide rod 433 plays a role in guiding the up-and-down movement of the connection block 432.
The working process of the utility model is as follows:
when the rotary angle control device works, the rotary angle signal is converted into the material paper feeding length through the encoder, and the jet printing work of the spray head is controlled according to the material paper feeding length. And detecting overprinting patterns on the paper by using a color code sensor, re-converting and calculating the paper feeding length of the material every time the color code sensor detects the overprinting patterns, controlling the spray printing work of the spray head according to the re-converted paper feeding length, and starting the spray printing work of the spray head after the set paper feeding length is reached. Because each color code sensor is arranged in a place close to the front of each spray head, even the last spray head is arranged, the distance from the last color code sensor to the last spray head is extremely short, thus greatly reducing the accumulated error caused by long distance, improving the precision of the sleeve position, reducing the deviation of the sleeve position to below 0.02mm, and improving the sleeve position precision by 3 times compared with the existing printing head structure.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (9)
1. The utility model provides a print locomotive structure of cover position printing which characterized in that includes:
a headstock body;
the spray heads are arranged on the machine head body, color code sensors are arranged at the positions of each spray head or the spray heads with the preset number at intervals, and the color code sensors are arranged on one side, away from the material paper feeding direction, of each spray head;
the encoder is arranged on the headstock body and is positioned at the starting end of the material paper feeding direction;
and the color code sensor and the encoder are electrically connected with the controller.
2. The sleeve-printed print head structure of claim 1, wherein a plurality of said color patch sensors are spaced apart along the direction of material travel.
3. The printing head structure of sleeve position printing according to claim 1, wherein a position adjusting mechanism is arranged on one side of the nozzle, which is away from the material paper feeding direction, and the color mark sensor is mounted on the position adjusting mechanism, and the position adjusting mechanism can adjust the horizontal position and the vertical position of the color mark sensor.
4. The print head structure of blanket printing of claim 3, wherein the position adjustment mechanism comprises a guide rail, a lateral adjustment sleeve, and a slipway, the lateral adjustment sleeve is slidably disposed on the guide rail, the slipway is mounted on the lateral adjustment sleeve, and the color scale sensor is movably mounted on the slipway.
5. The blanket-printed print head structure of claim 4, wherein the length direction of the guide rail is parallel to the width direction of the paper.
6. The printing head structure for sleeve printing according to claim 4, wherein the sliding table is rotatably provided with a screw, a connecting block is assembled on the screw in a threaded manner, and the color code sensor is installed on the sliding table through the connecting block.
7. The print head structure of blanket printing according to claim 6, wherein a first fixing block and a second fixing block are arranged on the sliding table at intervals, one end of the screw is rotatably installed in the first fixing block, the other end of the screw is rotatably installed in the second fixing block, and the other end of the screw extends upwards out of the second fixing block.
8. The print head structure of blanket printing according to claim 7, wherein a guide rod is further connected between the first fixing block and the second fixing block, and two sides of the screw rod are respectively provided with one guide rod.
9. The blanket-printed print head structure of claim 1, wherein each of said heads is disposed on a common arcuate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321457810.0U CN220147017U (en) | 2023-06-08 | 2023-06-08 | Printing headstock structure for sleeve position printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321457810.0U CN220147017U (en) | 2023-06-08 | 2023-06-08 | Printing headstock structure for sleeve position printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220147017U true CN220147017U (en) | 2023-12-08 |
Family
ID=89006954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321457810.0U Active CN220147017U (en) | 2023-06-08 | 2023-06-08 | Printing headstock structure for sleeve position printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220147017U (en) |
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2023
- 2023-06-08 CN CN202321457810.0U patent/CN220147017U/en active Active
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