CN209832882U - Automatic overprinting alignment mechanism of printing machine - Google Patents
Automatic overprinting alignment mechanism of printing machine Download PDFInfo
- Publication number
- CN209832882U CN209832882U CN201920299597.2U CN201920299597U CN209832882U CN 209832882 U CN209832882 U CN 209832882U CN 201920299597 U CN201920299597 U CN 201920299597U CN 209832882 U CN209832882 U CN 209832882U
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- rotating shaft
- printing plate
- driving
- plate roller
- left end
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Abstract
The utility model discloses an automatic overprinting alignment mechanism of printing machine, the on-line screen storage device comprises a base, left side and right side at the base are equipped with first fixing base and second fixing base respectively, install on the first fixing base and drive actuating cylinder, the piston rod that drives actuating cylinder offsets with driven rotating shaft's left end, driven rotating shaft activity sets up in the first cavity at first fixing base middle part, driven rotating shaft's right-hand member and the left end threaded connection of printing plate roller, printing plate roller's top is equipped with the detection electric eye, printing plate roller's right-hand member and the left end threaded connection of initiative pivot, the right-hand member and the first drive assembly transmission of initiative pivot are connected, first drive assembly sets up on removing the seat, it slides and sets up on the guide rail to remove the seat, remove seat and ball screw spiro union, ball screw is connected with the transmission of second driving motor, second driving motor fixed mounting. By adopting the technical scheme, the automatic adjustment of the left and right positions of the printing plate roller is realized through the matching of the motor and the air cylinder, and the overprinting quality and the working efficiency are effectively improved.
Description
Technical Field
The utility model relates to a lithography apparatus, concretely relates to automatic overprinting alignment mechanism of printing machine.
Background
Overprinting, which means that image-text printing of each color plate is required to be in overlapping registration during multicolor printing, that is, single-color printing plates with different screen angles, which are prepared by color separation of an original, are sequentially overlapped and registered according to the color sequence of the printing plates, and finally, a printed product with the same level and color tone as the original is obtained by printing. Therefore, it is required to ensure that color blocks of the printing plate rollers are aligned with each other when the printing is carried out on different printing plate rollers, when the color blocks on the printing plate rollers and the color blocks on the printing plate rollers in the last printing unit have deviation, the printing plate rollers are required to be controlled to move horizontally until the color blocks between the printing plate rollers coincide, and accurate overprinting can be ensured.
Disclosure of Invention
In view of the not enough of background art, the utility model aims to solve the technical problem that a simple structure is provided, reasonable in design realizes the automatically regulated of position about the printing plate roller through motor and cylinder cooperation, has effectively improved the quality of overprinting and work efficiency's automatic overprinting alignment mechanism.
Therefore, the utility model discloses an adopt following scheme to realize:
automatic chromatography aligning gear of printing machine, its characterized in that: the printing machine comprises a base, wherein a first fixing seat and a second fixing seat are respectively arranged on the left side and the right side of the base, a driving air cylinder is installed on the first fixing seat, a piston rod of the driving air cylinder is abutted against the left end of a driven rotating shaft, the driven rotating shaft is movably arranged in a first cavity in the middle of the first fixing seat, the right end of the driven rotating shaft is in threaded connection with the left end of a printing plate roller, a detection electric eye is arranged above the printing plate roller, the right end of the printing plate roller is in threaded connection with the left end of a driving rotating shaft, the driving rotating shaft movably penetrates through a second cavity in the middle of the second fixing seat, the right end of the driving rotating shaft is in transmission connection with a first driving assembly, the first driving assembly is arranged on a moving seat, the moving seat is slidably arranged on a guide rail, the moving seat is in threaded connection with a ball screw, and the ball screw is in transmission, and the second driving motor is fixedly arranged on the base.
The first driving assembly comprises a first driving motor, and the first driving motor is in transmission connection with the right end of the driving rotating shaft.
Adopt above-mentioned technical scheme, the utility model discloses an advantage does: 1. the structure is simple, the design is reasonable, and the large-scale production can be realized; 2. providing a proper pressure for the driving cylinder, enabling the piston rod of the driving cylinder to continuously abut against the driven rotating shaft, ensuring that the left end of the printing plate roller always obtains a rightward supporting force, feeding back information in time when the detecting electric eye detects that the position of a color block on the printing plate roller is deviated from the position of the color block of the previous printing unit, controlling the action of the second driving motor to drive the ball screw to rotate, further driving the moving seat to move in the left-right direction under the guidance of the guide rail, further driving the first driving component, the driving rotating shaft, the printing plate roller and the driven rotating shaft to horizontally move together until the detecting electric eye detects that the color block on the printing plate roller is aligned with the color block of the previous printing unit, realizing automatic adjustment in the whole process, effectively improving the working efficiency of the printing machine, and because the left end of the printing plate roller always obtains the support of the, the stability of the position of the printing plate roller after positioning can be ensured, and the overprinting quality is further improved.
Drawings
The utility model discloses there is following figure:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in the figures, the utility model discloses an automatic overprinting alignment mechanism of a printing machine, which comprises a base 12, a first fixed seat 2 and a second fixed seat 7 are respectively arranged on the left side and the right side of the base 12, a driving cylinder 1 is arranged on the first fixed seat 2, a piston rod of the driving cylinder 1 is abutted against the left end of a driven rotating shaft 3, the driven rotating shaft 3 movably penetrates through a first cavity in the middle of the first fixed seat 2, namely, the driven rotating shaft 3 can horizontally move left and right in the first fixed seat 2 and also can rotate, the right end of the driven rotating shaft 3 is in threaded connection with the left end of a printing plate roller 5, a detection electric eye 4 is arranged above the printing plate roller 5 and is used for detecting whether a color block on the printing plate roller 5 is aligned with a last printing unit or not, the right end of the roller 5 is in threaded connection with the left end of a driving rotating shaft 6, the driving rotating shaft 6 movably penetrates, the initiative is rotated 6 promptly and both can be controlled horizontal migration in second fixing base 7, also can rotate, and the right-hand member and the transmission of first drive assembly of initiative pivot 6 are connected, and first drive assembly sets up on removing seat 8, and in this embodiment, first drive assembly includes first driving motor 9, and first driving motor 9 is connected with the right-hand member transmission of initiative pivot 6, through the action of controlling first driving motor 9, can drive printing plate roller 5 and rotate and carry out the overprinting. The movable base 8 is arranged on the guide rail 13 in a sliding mode, the movable base 8 is in threaded connection with the ball screw 11, the ball screw 11 is in transmission connection with the second driving motor 10, and the second driving motor 10 is fixedly installed on the base 12.
When the novel printing machine works, a proper pressure is provided for the driving cylinder 1, so that a piston rod of the driving cylinder 1 can continuously abut against the driven rotating shaft 3, the left end of the printing plate roller 5 is ensured to always obtain a rightward supporting force, when the detecting electric eye 4 detects that the position of a color block on the printing plate roller 5 is deviated from the position of the color block of a previous printing unit, information is timely fed back, the second driving motor 10 is controlled to act, the ball screw 11 is driven to rotate, the moving seat 8 is driven to move in the left-right direction under the guidance of the guide rail 13, the first driving component, the driving rotating shaft 6, the printing plate roller 5 and the driven rotating shaft 3 are driven to move left and right in the horizontal direction together until the detecting electric eye 4 detects that the color block on the printing plate roller 5 is aligned with the color block of the previous printing unit, the whole process is automatically adjusted, and the working efficiency, and because the left end of the printing plate roller 5 is always supported by the driving cylinder 1, the stability of the position of the printing plate roller 5 after positioning can be ensured, and the overprinting quality is further improved.
Claims (2)
1. Automatic chromatography aligning gear of printing machine, its characterized in that: the automatic printing machine comprises a base, wherein a first fixing seat and a second fixing seat are respectively arranged on the left side and the right side of the base, a driving air cylinder is installed on the first fixing seat, a piston rod of the driving air cylinder is abutted against the left end of a driven rotating shaft, the driven rotating shaft movably penetrates through a first cavity in the middle of the first fixing seat, the right end of the driven rotating shaft is in threaded connection with the left end of a printing plate roller, a detection electric eye is arranged above the printing plate roller, the right end of the printing plate roller is in threaded connection with the left end of a driving rotating shaft, the driving rotating shaft movably penetrates through a second cavity in the middle of the second fixing seat, the right end of the driving rotating shaft is in transmission connection with a first driving assembly, the first driving assembly is arranged on a moving seat, the moving seat is slidably arranged on a guide rail, the moving seat is in threaded connection with a ball screw, and the ball screw is in transmission connection, and the second driving motor is fixedly arranged on the base.
2. The automatic overprint alignment mechanism of a printing press according to claim 1, wherein: the first driving assembly comprises a first driving motor, and the first driving motor is in transmission connection with the right end of the driving rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299597.2U CN209832882U (en) | 2019-03-11 | 2019-03-11 | Automatic overprinting alignment mechanism of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299597.2U CN209832882U (en) | 2019-03-11 | 2019-03-11 | Automatic overprinting alignment mechanism of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209832882U true CN209832882U (en) | 2019-12-24 |
Family
ID=68905654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920299597.2U Active CN209832882U (en) | 2019-03-11 | 2019-03-11 | Automatic overprinting alignment mechanism of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209832882U (en) |
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2019
- 2019-03-11 CN CN201920299597.2U patent/CN209832882U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Song Jiadai Nantang Avenue, Feiyun street, Ruian City, Wenzhou City, Zhejiang Province 325200 Patentee after: Zhejiang ZHONGTE Machinery Technology Co.,Ltd. Address before: Song Jiadai Nantang Avenue, Feiyun street, Ruian City, Wenzhou City, Zhejiang Province 325200 Patentee before: ZHEJIANG ZHONGTE MACHINERY TECHNOLOGY Co.,Ltd. |