CN118810228B - Semi-automatic plate loading system of printing machine - Google Patents
Semi-automatic plate loading system of printing machine Download PDFInfo
- Publication number
- CN118810228B CN118810228B CN202411299875.6A CN202411299875A CN118810228B CN 118810228 B CN118810228 B CN 118810228B CN 202411299875 A CN202411299875 A CN 202411299875A CN 118810228 B CN118810228 B CN 118810228B
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- CN
- China
- Prior art keywords
- printing
- clamping system
- printing clamping
- air bag
- reciprocating
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- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 description 7
- 238000005056 compaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/06—Devices for attaching printing elements or formes to supports for attaching printing elements to forme cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
- B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets
Landscapes
- Screen Printers (AREA)
Abstract
The invention relates to a semiautomatic plate loading system of a printing machine, which belongs to the technical field of printing equipment and comprises a printing cylinder, a first printing clamping system, a second printing clamping system, a rotary pressurizing system and a unilateral pre-pressing system, wherein an installation cavity is arranged in the printing cylinder, the first printing clamping system can be pressed on one side, close to the rotation axis of the printing cylinder, of the second printing clamping system, the first printing clamping system and the second printing clamping system respectively press the side of the installation cavity, the rotary pressurizing system comprises a reciprocating inflating device, a pushing air bag and an exhaust tension spring, the reciprocating inflating device is arranged in the installation cavity, the reciprocating inflating device is communicated with the pushing air bag, the pushing air bag is arranged between the installation cavity and the first printing clamping system, the exhaust tension spring is used for pulling the pushing air bag to exhaust when in a free state, and the acting force of the unilateral pre-pressing system enables the second printing clamping system to rotate towards the direction close to the rotation axis of the printing cylinder, the reciprocating inflating air bag is in transmission connection with the first printing clamping system, and plate loading time is shortened.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a semi-automatic plate loading system of a printer.
Background
The printing plate is arranged on the printing cylinder, the printing cylinder and the rubber roller are mutually matched for rotation, so that paper is printed through the space between the printing plate and the rubber roller, and the plate loading is a preparation link of the printing process. The printing plates are mounted on the printing cylinder and arranged and adjusted according to the order of page numbers, the color and definition of the prints, the pressure of the printing press, etc.
The existing plate loading mode is to clamp one end of a printing plate firstly, clamp and install the one end of the printing plate on a printing cylinder, then start the printing cylinder to enable the printing cylinder to rotate, enable the printing plate to rotate along with the printing cylinder to further press the printing plate by a rubber roller, adjust the position of the printing plate, then operate the printing cylinder to stop rotating, and then clamp and install the other side of the printing plate, so that the clamping needs to be divided into two steps, the printing cylinder needs to stop rotating, and then the printing cylinder is started again, and the steps are tedious and troublesome.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides a semi-automatic plate loading system of a printing machine, which realizes semi-automatic plate loading and shortens plate loading time.
The technical scheme adopted by the invention is as follows:
The semi-automatic plate mounting system of the printing machine comprises a printing cylinder, a first printing clamping system, a second printing clamping system, a rotary pressurizing system and a unilateral pre-pressing system, wherein an installation cavity is arranged in the printing cylinder, the first printing clamping system and the second printing clamping system are rotatably installed in the installation cavity, the first printing clamping system can be pressed on one side, close to a revolving axis of the printing cylinder, of the second printing clamping system, the first printing clamping system and the second printing clamping system respectively press the side of the installation cavity, the rotary pressurizing system is installed in the installation cavity of the printing cylinder, the rotary pressurizing system comprises a reciprocating inflating device, a pushing air bag and an exhaust tension spring, the reciprocating inflating device is installed in the installation cavity, the reciprocating inflating device is communicated with the pushing air bag, the pushing air bag is installed between the installation cavity and the first printing clamping system, two ends of the exhaust tension spring are respectively installed in the installation cavity and outside the pushing air bag, the exhaust tension spring is in a free state, the first printing clamping system is provided with a pulling air bag, the unilateral pre-pressing system is arranged on the installation cavity, and the pre-pressing system is connected with the two ends of the pre-pressing system in a pre-pressing mode, and the pre-pressing system is arranged close to the side of the printing system.
Preferably, the pushing air bag is provided with a pressure release valve.
Preferably, the first printing clamping system comprises a first revolving frame and a plurality of first extrusion plates, the first revolving frame is rotatably arranged in the mounting cavity, the first extrusion plates are arranged on the first revolving frame, and the pushing air bag is in transmission connection with the first revolving frame.
Preferably, the second printing clamping system comprises a second revolving frame and a plurality of second extrusion plates, the second revolving frame is rotatably arranged in the installation cavity, the second extrusion plates are arranged on the second revolving frame, the second revolving frame is in transmission connection with the pre-pressing springs, and the first printing clamping system is pressed on the second revolving frame.
Preferably, the reciprocating inflator device comprises a reciprocating inflator and an arc transition plate, the reciprocating inflator is arranged in the mounting cavity, and the arc transition plate is arranged on the reciprocating inflator.
Preferably, the arc axis of the arc transition plate coincides with the rotation axis of the printing cylinder.
Preferably, the pushing air bag is provided with a deflation port, and the deflation port is provided with a deflation screw plug through a screw pair.
Preferably, the exhaust tension spring pulls the pushing air bag to retract when the pushing air bag is not inflated.
The beneficial effects of the invention are as follows:
The printing press comprises a printing cylinder, a first printing clamping system and a second printing clamping system, wherein the printing cylinder is internally provided with a mounting cavity, the first printing clamping system and the second printing clamping system are rotatably mounted in the mounting cavity, the first printing clamping system is pressed on one side, close to the rotation axis of the printing cylinder, of the second printing clamping system, the first printing clamping system and the second printing clamping system respectively press the side of the mounting cavity, a rotary pressurizing system is mounted in the mounting cavity of the printing cylinder, the rotary pressurizing system comprises a reciprocating inflating device, a pushing air bag and an exhaust tension spring, the reciprocating device is mounted in the mounting cavity, the reciprocating inflating device is communicated with the pushing air bag, the pushing air bag is mounted between the mounting cavity and the first printing clamping system, the pushing air bag is in transmission connection with the first printing clamping system, the pushing air bag expands to push the first printing clamping system when the reciprocating inflating device is inflated, two ends of the exhaust tension spring are respectively mounted in the mounting cavity and out of the pushing air bag, the first printing clamping system is further pulled to reset when the exhaust tension spring is in a free state, a pressure release hole is formed in the air bag, the reciprocating inflating system is used for resetting, the pressing spring is convenient to press the pressing system, and the pressing spring is compressed in the direction of the pre-pressing clamping device is respectively mounted close to the two sides of the first printing clamping cavity.
During the dress edition, press from both sides the one end of printing plate on the second printing presss from both sides and gets the system, the other end of printing plate is placed and is pressed from both sides and get between system and the installation cavity at first printing, the prepressing pressure spring drives first printing and presss from both sides and get the system and press from both sides the one end of printing plate, afterwards along with the rotation of printing cylinder, reciprocal pumping device is inflated repeatedly, the top airbag is inflated gradually, and then promote first printing gradually to press from both sides and get the system rotation clamp tightly, press from both sides the other end of printing plate and press from both sides tightly gradually, in the prior art, printing cylinder and rubber roll cooperation, the printing plate is pressed repeatedly by the rubber roll in the in-process of following printing cylinder rotation and is adjusted, until the both ends of printing plate are pressed from both sides by first printing clamp system and second printing clamp system and press from both sides and get the clamp respectively, semi-automatic dress edition has been realized, the dress edition time has been shortened.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is an enlarged schematic view at B in fig. 1.
FIG. 4 is a schematic cross-sectional view of the present invention.
Reference numerals illustrate:
1. 11, a mounting cavity;
2. A first print gripping system; 21, a first revolving frame, 22, a first extrusion plate;
3. A second print gripping system; 31, a second revolving frame, 32, a second extrusion plate, 33, a second force arm;
4. the device comprises a rotary pressurizing system, a 41-degree reciprocating inflator, a 411-degree reciprocating inflator, a 412-degree circular arc transition plate, a 42-degree pushing airbag, a 43-degree exhaust tension spring;
5. A unilateral prepressing system;
6. Printing plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, the embodiment provides a semiautomatic plate loading system of a printing machine, which comprises a printing cylinder 1, a first printing clamping system 2, a second printing clamping system 3, a rotary pressurizing system 4 and a unilateral prepressing system 5, wherein a mounting cavity 11 is arranged in the printing cylinder 1, the first printing clamping system 2 and the second printing clamping system 3 are rotatably mounted in the mounting cavity 11, the first printing clamping system 2 can be pressed on one side of the second printing clamping system 3 close to the rotation axis of the printing cylinder 1, so that the first printing clamping system 2 can push the second printing clamping system 3 to rotate, thereby providing reliable pressing force for the second printing clamping system 3, the first printing clamping system 2 and the second printing clamping system 3 are respectively pressed on the sides of the mounting cavity 11, thus a printing plate 6 can be respectively pressed on two sides of the mounting cavity 11 by the first printing clamping system 2 and the second printing clamping system 3, the printing plate 6 is further fixed, the rotary pressurizing system 4 is arranged in the mounting cavity 11 of the printing cylinder 1, the rotary pressurizing system 4 comprises a reciprocating pumping device 41, a pushing air bag 42 and an exhaust tension spring 43, the reciprocating pumping device 41 is arranged in the mounting cavity 11, the reciprocating pumping device 41 is communicated with the pushing air bag 42, the reciprocating pumping device 41 guides high-pressure gas to the pushing air bag 42, the pushing air bag 42 is arranged between the mounting cavity 11 and the first printing clamping system 2, the pushing air bag 42 is in transmission connection with the first printing clamping system 2, the pushing air bag 42 expands and pushes the first printing clamping system 2 when the reciprocating pumping device 41 pumps, two ends of the exhaust tension spring 43 are respectively arranged in the mounting cavity 11 and outside the pushing air bag 42, the exhaust tension spring 43 pulls the pushing air bag 42 to exhaust when in a free state, and then make first printing press from both sides and get system 2 reset, be equipped with the pressure release hole on pushing away the gasbag 42, be convenient for push away the gasbag 42 and reset, also limited the pressure of pushing away the gasbag 42, prevent to push away the gasbag 42 and be broken by rising, unilateral pre-compaction system 5 is the pre-compaction pressure spring, the both ends of pre-compaction pressure spring are installed respectively on installation cavity 11 and second printing press from both sides get system 3, the effort of pre-compaction pressure spring makes the second printing press from both sides get system 3 to be close to the side direction gyration of nearby installation cavity 11, and then clip the one end of printing plate 6, semi-automatic dress version has been realized, the time of dress version has been shortened.
During plate loading, one end of a printing plate 6 is clamped on the side walls of the second printing clamping system 3 and the mounting cavity 11, the other end of the printing plate 6 is placed between the first printing clamping system 2 and the other side wall of the mounting cavity 11, the prepressing pressure spring drives the second printing clamping system 3 to clamp one end of the printing plate 6, then the printing plate 1 is matched with a rubber roller and synchronously rotates along with rotation of the printing plate 1, the reciprocating pumping device 41 repeatedly pushes the rubber roller to pump air, the pushing air bag 42 gradually pumps air, and then the first printing clamping system 2 is gradually pushed to rotate to clamp the other side of the printing plate 6, so that the other end of the printing plate 6 is clamped and gradually clamped.
Specifically, the pushing air bag 42 is provided with a pressure relief valve, and the pressure relief valve is arranged on the pressure relief hole through a screw pair, so as to prevent the pressure in the pushing air bag 42 from being too high.
Specifically, the first printing clamping system 2 includes a first revolving frame 21 and a plurality of first squeeze plates 22, the first revolving frame 21 is rotatably installed in the installation cavity 11, the first squeeze plates 22 are installed on the first revolving frame 21, the pushing air bag 42 is in transmission connection with the first revolving frame 21, and each first squeeze plate 22 is directly matched with the side wall of the installation cavity 11 to clamp the printing plate 6.
Specifically, the second printing clamping system 3 comprises a second revolving frame 31 and a plurality of second extrusion plates 32, wherein the second revolving frame 31 is rotatably arranged in the installation cavity 11, the second extrusion plates 32 are arranged on the second revolving frame 31, the second revolving frame 31 is in transmission connection with the pre-pressing springs through a second force arm 33 arranged on the second revolving frame 31, the first printing clamping system 2 presses on the second revolving frame 31, the printing plate 6 is clamped, one end of the printing plate 6 is clamped by the second revolving frame 31 under the action of the pre-pressing springs, the second printing plate 6 is rotated along with the printing cylinder 1 until the first revolving frame 21 clamps the other end of the printing plate 6, and the third revolving frame 21 presses the second revolving frame 31 under the pushing of the pushing air bags 42, so that the second revolving frame 31 continuously presses the printing plate 6 to ensure the clamping force.
Specifically, the reciprocating pump 41 includes a reciprocating pump 411 and a circular arc transition plate 412, the reciprocating pump 411 is installed in the installation cavity 11, the circular arc transition plate 412 is installed on the reciprocating pump 411, and the circular arc axis of the circular arc transition plate 412 coincides with the rotation axis of the printing cylinder 1, so that smooth pump is ensured.
Specifically, the pushing air bag 42 is provided with a deflation port, and the deflation port is provided with a deflation screw plug through a screw pair, so that high-pressure air in the pushing air bag 42 can be quickly released when the printing plate 6 is replaced.
Specifically, the exhaust tension spring 43 pulls the pushing air bag 42 to retract when the pushing air bag 42 is not inflated, so that the printing plate 6 is convenient to install.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411299875.6A CN118810228B (en) | 2024-09-18 | 2024-09-18 | Semi-automatic plate loading system of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411299875.6A CN118810228B (en) | 2024-09-18 | 2024-09-18 | Semi-automatic plate loading system of printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118810228A CN118810228A (en) | 2024-10-22 |
| CN118810228B true CN118810228B (en) | 2025-01-10 |
Family
ID=93079033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411299875.6A Active CN118810228B (en) | 2024-09-18 | 2024-09-18 | Semi-automatic plate loading system of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118810228B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4938134A (en) * | 1987-09-16 | 1990-07-03 | Koenig & Bauer Aktiengesellschaft | Printing plate clamping assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4244077C2 (en) * | 1992-12-24 | 1995-06-08 | Koenig & Bauer Ag | Device for clamping flexible printing plates on a forme cylinder of a rotary printing machine |
| DE9401760U1 (en) * | 1994-02-03 | 1994-03-17 | Heidelberger Druckmaschinen Ag, 69115 Heidelberg | Plate cylinders of rotary printing machines |
| DE10119407A1 (en) * | 2000-05-12 | 2001-11-15 | Heidelberger Druckmasch Ag | Angle correction device for printing plates has rear clamping device with one axial under-rail, one turning batten on it and at least one circumferentially turning clamping rail |
| DE102004005577B4 (en) * | 2003-02-14 | 2007-10-04 | Heidelberger Druckmaschinen Ag | Device for tensioning an elevator on a cylinder of a printing material processing machine |
| CN101020385A (en) * | 2006-12-14 | 2007-08-22 | 上海光华印刷机械有限公司 | Semi-automatic printing plate holding mechanism |
-
2024
- 2024-09-18 CN CN202411299875.6A patent/CN118810228B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4938134A (en) * | 1987-09-16 | 1990-07-03 | Koenig & Bauer Aktiengesellschaft | Printing plate clamping assembly |
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| Publication number | Publication date |
|---|---|
| CN118810228A (en) | 2024-10-22 |
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