CN103481640A - Crawler-type forme mechanism of unit type printing machine and forme replacement method thereof - Google Patents
Crawler-type forme mechanism of unit type printing machine and forme replacement method thereof Download PDFInfo
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- CN103481640A CN103481640A CN201310468537.6A CN201310468537A CN103481640A CN 103481640 A CN103481640 A CN 103481640A CN 201310468537 A CN201310468537 A CN 201310468537A CN 103481640 A CN103481640 A CN 103481640A
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Abstract
The invention belongs to the field of printing machinery manufacturing and particularly relates to a crawler-type forme mechanism of a unit type printing machine and a forme replacement method of the crawler-type forme mechanism. The crawler-type printing forme mechanism comprises a back press roller and a forme roller. The forme roller comprises a driving roller, a driven roller, a crawler-type forme arranged on the driving roller and the driven roller in a sleeved mode, a tensioning mechanism used for tensioning or loosening the crawler-type forme, and a moving mechanism driving the crawler-type forme to make reciprocation motion between the printing position and the forme replacement position. By the adoption of the crawler-type forme mechanism of the unit type printing machine, rapid forme replacement can be achieved, the work intensity of an operator is relieved, the production period of a part is shortened, and the production cost is greatly reduced.
Description
Technical field
The invention belongs to printing machinery and manufacture field, relate to a kind of unit type press printing plate mechanism and plate change method thereof, relate in particular to a kind of unit type press crawler type printing machine forme mechanism and plate change method thereof.
Background technology
In the printing element of set type flexographic presses, generally adopt two kinds of printing plate mechanism of direct press type or swing arm at present, two kinds of the aluminium alloy pulley type subsides version roller that the roller of printing use adopts and telescopic subsides version rollers.
The aluminium alloy pulley type pastes the version roller: be that the flexographic plate of certain size is sticked on the aluminium alloy roller and printed, take out the aluminium alloy roller, again paste new flexographic plate, start working after resetting again.When the flexographic plate size changes, need again manufacture an aluminium alloy roller be complementary with the flexographic plate size.This technical disadvantages: be at first that aluminium alloy pastes the aluminium alloy roller in roller cylinder roller, because of large (the aluminium alloy subsides roller cylinder of current version φ 300mm of himself weight, deadweight is about 100 kilograms of left and right), must be equipped with small-sized crane or special-purpose plate change dolly, so when changing flexographic plate, very inconvenient and time-consuming.Secondly, if change plate size, also need to manufacture in addition a set of aluminium alloy roller be complementary with flexographic plate, increased so again producing cost.Again, manufacture aluminium alloy roller price high, the process-cycle is long, also is not easy to deposit.
Telescopic subsides version roller: be that the flexographic plate of certain size is sticked on sleeve and printed.From the aluminium alloy pulley type paste the version roller different be first to a sleeve fixed axis core customized, then flexographic plate is sticked on the sleeve matched, then the sleeve that pastes flexographic plate; Be enclosed within on the fixed axis core and carry out work.When plate change, only need to extract out sleeve, change flexographic plate and get final product work.When the flexographic plate size changes, need again to manufacture a sleeve be complementary with the flexographic plate size, be exactly in other words by changing the wall thickness change sleeve perimeter of sleeve, thereby reach, changing the printed patterns size.This technical disadvantages: sleeve processing technology complexity, whole dependence on import, the production cycle is long, and expensive (be about aluminium alloy roller two to three times).
The flexographic presses production of 8 colour cells, 1.2 meters fabric widths of take is the example explanation.
Wherein, adopt aluminium alloy to paste roller cartridge technology when plate change, deadweight larger (φ 300mm pastes the roller cylinder and nearly weighs 100kg) because of aluminium alloy subsides roller cylinder, at least need to be equipped with small-sized crane or special-purpose plate change dolly is a set of, skilled seal work is changed a colour cell and is needed more than 20 minute, the subsides roller cylinder of 8 colour cells changed at least need consuming time more than 160 minutes.If the replacing plate size, need again process 8 aluminium alloys and paste the roller cylinder, 8 aluminium alloys paste the roller cylinder, and the process-cycle of part was about about 30 days, and the expense of 8 aluminium alloy subsides roller cylinders is about 64000 yuan.
If adopt subsides edition sleeve arrangement technology when plate change, only need an extraction subsides version sleeve to change new flexographic plate and get final product.If the replacing plate size, need again process 8 and paste the version sleeve, 8 process-cycles of pasting the version sleeve are about 2 to 3 months, and 8 expenses of pasting the version sleeve are about 160000 yuan.
Finally, in real production process, replacing space of a whole page pattern, specification, size are quotidian work, how to allow flexographic presses change plate in actual production convenient, fast, and the process-cycle is short, cost is low, be that device manufacturers is necessary for the problem that print production person considers.
Summary of the invention
The problem proposed based on background technology, the invention provides a kind ofly can change plate fast, crawler type printing plate mechanism and the plate change method thereof of the working strength that changes plate is little, part is with short production cycle, production cost is low unit type press.
The concrete technical scheme that the present invention solves the background technology problem is:
The present invention proposes a kind of crawler type printing plate mechanism of unit type press, comprise counter-pressure cylinder and printing plate cylinder, it is characterized in that: described printing plate cylinder comprises drive roll, driven voller, be sleeved on crawler type forme on drive roll and driven voller, for the tensioning of crawler type forme or loose strainer and order about crawler type forme reciprocating travel mechanism between printing position and plate change position;
Described crawler type forme comprises crawler belt and the printing element that fixedly is fitted in the crawler belt outer surface;
Described strainer comprises being arranged on drive roll to make drive roll to the drive roll moving assembly moved away from the driven voller direction and be arranged on driven voller and makes driven voller to the driven voller assembly moved away from the drive roll direction;
Described travel mechanism comprises bracing frame, is arranged on the line slideway on bracing frame and orders about the drive unit that bracing frame moves;
Described drive roll moving assembly and driven voller assembly are arranged on bracing frame respectively.
Above-mentioned driven voller inside is provided with air intake for cavity and an end; Evenly be provided with a plurality of gas holes on described driven voller.
The first power set that above-mentioned drive roll assembly comprises the drive roll traversing carriage, is arranged on the first line slideway between drive roll traversing carriage and bracing frame and makes the drive roll traversing carriage move back and forth;
The second power set that described driven voller assembly comprises the driven voller traversing carriage, is arranged on the second line slideway between driven voller traversing carriage and bracing frame and makes the driven voller traversing carriage move back and forth.
Above-mentioned drive unit, the first power set and the second power set are variable-frequency motor.
Crawler type printing plate mechanism based on above-mentioned unit type press, now propose a kind of crawler type printing plate mechanism plate change method of unit type press, and its concrete steps are:
1] installation of crawler type forme:
1.1) the crawler type forme that will be ready to be applicable to this batch products directly is sleeved on drive roll and driven voller from the side;
1.2) the first power set and the second power set start working, under the effect of the first power set, the drive roll traversing carriage moves towards the direction away from the driven voller support along the first line slideway; Simultaneously, under the effect of the second power set, the driven voller traversing carriage moves towards the direction away from the drive roll support along the second line slideway, and the crawler type forme is in pre-tensioner state;
1.3) the driven voller ventilation, the gas that passes into the driven voller internal cavities from air intake overflows from gas hole under the effect of gas pressure, crawler type forme inner surface and the laminating of drive roll intimate under the effect of air pressure, crawler type forme inner surface and driven voller outer surface guarantee certain interval, produce gas-bearing formation in gap, the crawler type forme suspends, and in tensioning state;
1.4) drive unit in travel mechanism starts working, ordering about bracing frame under the guide effect of line slideway moves towards the direction away from the plate change position, afterwards make the strainer, drive roll, driven voller and the crawler type forme that are arranged on bracing frame also start to move towards the direction away from the plate change position, until arrive the printing position of initial setting;
2] dismounting of crawler type forme:
2.1) equipment quits work, drive roll stopping operating gradually, equipment stops to the driven voller air feed simultaneously, and the inner surface of crawler type forme contacts with the outer surface of driven voller, and the crawler type forme is in pre-relaxed state;
2.2) drive unit in travel mechanism starts working, ordering about bracing frame under the guide effect of line slideway moves to the direction away from printing position, afterwards make the strainer, drive roll, driven voller and the crawler type forme that are arranged on bracing frame also start to move towards the direction away from printing position, until arrive the plate change position of initial setting;
2.3) after whole printing plate mechanism moves to the plate change position, the first power set and the second power set are started working, under the effect of the first power set, the drive roll traversing carriage moves towards the direction near the driven voller support along the first line slideway; Simultaneously, under the effect of the second power set, the driven voller traversing carriage moves towards the direction near the drive roll support along the second line slideway, the crawler type forme is loose, and now, operating personnel take the crawler type forme away from the side of printing plate mechanism from drive roll and driven voller.
Advantage of the present invention is being:
When 1, in the present invention, the size of printable fabric changes, only need to change crawler belt and forme base material, the production cost of crawler belt and forme base material is low, the production cycle is fast, effectively raises production efficiency.
When 2, the present invention changes plate, only need to change crawler belt and forme base material, be convenient to change plate fast operating personnel, effectively raise production efficiency.
3, the crawler belt in the present invention and forme base material own wt little (greatly about 2 kilograms), can effectively reduce working strength and convenient and swift.
The accompanying drawing explanation
Fig. 1 is the structural representation of the present invention in printing position work.
Fig. 2 is the structural representation of the present invention in the work of plate change position.
The structural scheme of mechanism that Fig. 3 is driven voller in the present invention.
The structural scheme of mechanism that Fig. 4 is crawler type forme of the present invention.
Wherein: the 1-counter-pressure cylinder, the 2-printing plate cylinder, the 21-drive roll, the 22-driven voller, the 221-air intake, the 222-gas hole, 23-crawler type forme, the 231-crawler belt, the 232-printing element, the 24-strainer, 241-drive roll assembly, 2411-drive roll traversing carriage, 2412-the first line slideway, 2413-the first power set, 242-driven voller assembly, 2421-driven voller traversing carriage, 2422-the second line slideway, 2423-the second power set, 25-travel mechanism, the 251-bracing frame, the 252-line slideway, the 253-drive unit.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
Referring to Fig. 1, Fig. 2, the mechanism of this invention is described: a kind of crawler type printing plate mechanism of unit type press, wherein printing plate mechanism comprises counter-pressure cylinder 1 and printing plate cylinder 2;
Specifically, this printing plate cylinder 2 comprise drive roll 21, driven voller 22, be sleeved on drive roll 21 and driven voller 22 crawler type forme 23, for 23 tensionings of crawler type forme or loose strainer 24 and order about crawler type forme 23 reciprocating travel mechanism 25 between printing position and plate change position; (generally, the fabric width of drive roll and driven voller is larger than the fabric width of crawler type forme)
Referring to Fig. 4, generally, the fabric width of forme base material will be slightly less than the fabric width of crawler belt to the printing element 232(that crawler type forme 23 comprises crawler belt 231 and fixedly is fitted in crawler belt 231 outer surfaces);
Wherein, travel mechanism 25 comprises bracing frame 251, is arranged on the line slideway 252 on bracing frame 251 and orders about the drive unit 253 that bracing frame 251 moves;
Wherein, strainer 24 comprises being arranged on drive roll 21 to make drive roll 21 to the drive roll moving assembly 241 moved away from driven voller 22 directions and be arranged on driven voller 22 and makes driven voller 22 to the driven voller assembly 242 moved away from drive roll 21 directions;
Specifically, driving component 241 comprises drive roll traversing carriage 2411 for supporting fixing drive roll 21, is arranged on the first line slideway 2412 on drive roll traversing carriage 2411 and bracing frame 251 and the first power set 2413 that make drive roll traversing carriage 2411 move back and forth.
Driven voller assembly 242 comprises for supporting fixedly driven voller traversing carriage 2421, the second line slideway 2422 that is arranged on driven voller traversing carriage 2421 and bracing frame 251 and second power set 2423 that make driven voller traversing carriage 2421 move back and forth of driven voller 22.
Participate in Fig. 3, driven voller 22 inside are provided with air intake 221 for cavity and an end; Evenly be provided with a plurality of gas holes 222 on driven voller 22;
In equipment running process, driven voller air intake 221 starts air inlet, when air gas is full of whole driven voller 22 internal cavities, under the effect of air pressure, gas overflows by a plurality of gas holes 222 that are arranged on driven voller 22, the air overflowed forms gas-bearing formation at the outer surface of crawler type forme 23 inner surfaces and driven voller 22, make crawler type forme 23 separate with driven voller 22, crawler type forme 23 suspends and in tensioning state.
Preferably, drive unit 253, the first power set 2413 and the second power set 2423 are variable-frequency motor.
Preferably, a kind of book type metal that crawler belt in the present invention adopts or have good pliability, flexible resistance, anti-fatigue performance and be difficult for aging special material, make by laser weld or overlap joint.The inside and outside surface of crawler belt is level and smooth surface.
In this printing plate mechanism, each above-mentioned parts have vital effect.
Usually, each colour cell of unit type press is provided with printing plate mechanism, in conjunction with Fig. 1 and Fig. 2, with regard to the plate change process of the printing plate mechanism in one of them colour cell, is described now:
The plate change method of the crawler type printing plate mechanism of unit type press comprises the following steps:
Step 1] installation of crawler type forme;
Step 1.1) will be ready to be applicable to the crawler type forme 23 of this batch products, directly be sleeved on drive roll 21 and driven voller 22 from the side of printing plate mechanism;
Step 1.2) the first power set 2413 and the second power set 2423 are started working, and under the effect of the first power set 2413, drive roll traversing carriage 2411 moves towards the direction away from driven voller support 2421 along the first line slideway 2412; Simultaneously, under the effect of the second power set 2423, driven voller traversing carriage 2421 moves towards the direction away from drive roll support 2411 along the second line slideway 2422, and crawler type forme 23 is in pre-tensioner state;
Step 1.3) driven voller 22 ventilations, the gas that passes into driven voller 21 internal cavities from air intake 221 overflows from gas hole 222 under the effect of gas pressure, crawler type forme 23 inner surfaces and drive roll 21 intimate laminatings under the effect of air pressure, crawler type forme 23 inner surfaces and driven voller 22 outer surfaces guarantee certain interval, produce gas-bearing formation in gap, crawler type forme 23 suspends, and in tensioning state;
Step 1.4) drive unit 253 in travel mechanism 25 is started working, ordering about bracing frame 251 under the guide effect of line slideway 252 moves towards the direction away from the plate change position, afterwards make the strainer 24, drive roll 21, driven voller 22 and the crawler type forme 23 that are arranged on bracing frame 251 also start to move towards the direction away from the plate change position, until arrive the printing position of initial setting;
Step 2] dismounting of crawler type forme;
Step 2.1) equipment quits work, drive roll 21 stopping operating gradually, and equipment stops to driven voller 22 air feed simultaneously, and crawler type forme 23 inner surfaces contact with the outer surface of driven voller 22, and crawler type forme 23 is in pre-relaxed state;
Step 2.2) drive unit in travel mechanism 253 is started working, ordering about bracing frame 251 under the guide effect of line slideway 252 moves to the direction away from printing position, afterwards make the strainer 24, drive roll 21, driven voller 22 and the crawler type forme 23 that are arranged on bracing frame 251 also start to move towards the direction away from printing position, until arrive the plate change position of initial setting;
Step 2.3) after whole printing plate mechanism moves to the plate change position, the first power set 2413 and the second power set 2423 are started working, and under the effect of the first power set 2413, drive roll traversing carriage 2411 moves towards the direction near driven voller support 2421 along the first line slideway 2412; Simultaneously, under the effect of the second power set 2423, driven voller traversing carriage 2421 moves towards the direction near drive roll support 2411 along the second line slideway 2422, crawler type forme 23 is loose, now, operating personnel take crawler type forme 23 away from the side of printing plate mechanism from drive roll 21 and driven voller 22.
Specifically, plate change generally has two kinds of situations, the first situation: used the crawler type forme that the product of new lot is used and last time the specification of crawler type forme similar, can use the crawler belt used in printing process last time; Therefore do not need crawler belt is changed, only need be changed printing element; The second situation: very large variation has occurred in the specification of the crawler type forme of new lot, and the crawler belt that used in printing process last time and printing element can not meet the requirement of new lot product, therefore need to all again make and change crawler belt and printing element.
Claims (5)
1. the crawler type printing plate mechanism of a unit type press, comprise counter-pressure cylinder and printing plate cylinder, it is characterized in that: described printing plate cylinder comprises drive roll, driven voller, be sleeved on crawler type forme on drive roll and driven voller, for the tensioning of crawler type forme or loose strainer and order about crawler type forme reciprocating travel mechanism between printing position and plate change position;
Described crawler type forme comprises crawler belt and the printing element that fixedly is fitted in the crawler belt outer surface;
Described strainer comprises being arranged on drive roll to make drive roll to the drive roll moving assembly moved away from the driven voller direction and be arranged on driven voller and makes driven voller to the driven voller assembly moved away from the drive roll direction;
Described travel mechanism comprises bracing frame, is arranged on the line slideway on bracing frame and orders about the drive unit that bracing frame moves;
Described drive roll moving assembly and driven voller assembly are arranged on bracing frame respectively.
2. the crawler type printing plate mechanism of unit type press according to claim 1 is characterized in that: described driven voller is inner is provided with air intake for cavity and an end; Evenly be provided with a plurality of gas holes on described driven voller.
3. the crawler type printing plate mechanism of unit type press according to claim 1 and 2, is characterized in that: the first power set that described drive roll assembly comprises the drive roll traversing carriage, is arranged on the first line slideway between drive roll traversing carriage and bracing frame and makes the drive roll traversing carriage move back and forth;
The second power set that described driven voller assembly comprises the driven voller traversing carriage, is arranged on the second line slideway between driven voller traversing carriage and bracing frame and makes the driven voller traversing carriage move back and forth.
4. the crawler type printing plate mechanism of unit type press according to claim 3, it is characterized in that: described drive unit, the first power set and the second power set are variable-frequency motor.
5. the plate change method of the crawler type printing plate mechanism based on unit type press claimed in claim 4, is characterized in that, comprises the following steps:
1] installation of crawler type forme:
1.1) the crawler type forme that will be ready to be applicable to this batch products directly is sleeved on drive roll and driven voller from the side;
1.2) the first power set and the second power set start working, under the effect of the first power set, the drive roll traversing carriage moves towards the direction away from the driven voller support along the first line slideway; Simultaneously, under the effect of the second power set, the driven voller traversing carriage moves towards the direction away from the drive roll support along the second line slideway, and the crawler type forme is in pre-tensioner state;
1.3) the driven voller ventilation, the gas that passes into the driven voller internal cavities from air intake overflows from gas hole under the effect of gas pressure, crawler type forme inner surface and the laminating of drive roll intimate under the effect of air pressure, crawler type forme inner surface and driven voller outer surface guarantee certain interval, produce gas-bearing formation in gap, the crawler type forme suspends, and in tensioning state;
1.4) drive unit in travel mechanism starts working, ordering about bracing frame under the guide effect of line slideway moves towards the direction away from the plate change position, afterwards make the strainer, drive roll, driven voller and the crawler type forme that are arranged on bracing frame also start to move towards the direction away from the plate change position, until arrive the printing position of initial setting;
2] dismounting of crawler type forme:
2.1) equipment quits work, drive roll stopping operating gradually, equipment stops to the driven voller air feed simultaneously, and the inner surface of crawler type forme contacts with the outer surface of driven voller, and the crawler type forme is in pre-relaxed state;
2.2) drive unit in travel mechanism starts working, ordering about bracing frame under the guide effect of line slideway moves to the direction away from printing position, afterwards make the strainer, drive roll, driven voller and the crawler type forme that are arranged on bracing frame also start to move towards the direction away from printing position, until arrive the plate change position of initial setting;
2.3) after whole printing plate mechanism moves to the plate change position, the first power set and the second power set are started working, under the effect of the first power set, the drive roll traversing carriage moves towards the direction near the driven voller support along the first line slideway; Simultaneously, under the effect of the second power set, the driven voller traversing carriage moves towards the direction near the drive roll support along the second line slideway, the crawler type forme is loose, and now, operating personnel take the crawler type forme away from the side of printing plate mechanism from drive roll and driven voller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310468537.6A CN103481640B (en) | 2013-09-30 | 2013-09-30 | Crawler-type forme mechanism of unit type printing machine and forme replacement method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310468537.6A CN103481640B (en) | 2013-09-30 | 2013-09-30 | Crawler-type forme mechanism of unit type printing machine and forme replacement method thereof |
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| CN103481640A true CN103481640A (en) | 2014-01-01 |
| CN103481640B CN103481640B (en) | 2015-06-10 |
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| CN201310468537.6A Active CN103481640B (en) | 2013-09-30 | 2013-09-30 | Crawler-type forme mechanism of unit type printing machine and forme replacement method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106536202A (en) * | 2014-07-16 | 2017-03-22 | Kba金属印刷有限公司 | Apparatus comprising a plurality of printing units for printing hollow elements |
| CN112373048A (en) * | 2020-10-23 | 2021-02-19 | 衡阳市稼乐农机科技有限公司 | Steel wire compression fittings that track was made for tractor |
| CN113415079A (en) * | 2021-04-29 | 2021-09-21 | 厦门信诺兴科技有限公司 | Printing equipment for UV printing of annular belt and annular printing process thereof |
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| EP0134007A2 (en) * | 1983-08-06 | 1985-03-13 | Isowa Industry Co. Ltd. | Method and apparatus for bonding a printing plate on a base film |
| EP0290850B1 (en) * | 1987-05-07 | 1991-10-09 | Conprinta Ltd. | Flexographic-printing machine, in particular for background printing |
| US20100050890A1 (en) * | 2008-08-28 | 2010-03-04 | Goss International Americas, Inc. | Infinitely variable cutoff printing press |
| CN203592763U (en) * | 2013-09-30 | 2014-05-14 | 西安秦华机械有限责任公司 | Crawler-type forme mechanism of set type printing machine |
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| JPS6034849A (en) * | 1983-08-06 | 1985-02-22 | Isowa Ind Co | Sticking method of printing seal on film base |
| EP0134007A2 (en) * | 1983-08-06 | 1985-03-13 | Isowa Industry Co. Ltd. | Method and apparatus for bonding a printing plate on a base film |
| EP0290850B1 (en) * | 1987-05-07 | 1991-10-09 | Conprinta Ltd. | Flexographic-printing machine, in particular for background printing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106536202A (en) * | 2014-07-16 | 2017-03-22 | Kba金属印刷有限公司 | Apparatus comprising a plurality of printing units for printing hollow elements |
| CN106536202B (en) * | 2014-07-16 | 2018-01-09 | Kba金属印刷有限公司 | With multiple equipment for being respectively used to print the printing equipment of hollow body |
| CN112373048A (en) * | 2020-10-23 | 2021-02-19 | 衡阳市稼乐农机科技有限公司 | Steel wire compression fittings that track was made for tractor |
| CN113415079A (en) * | 2021-04-29 | 2021-09-21 | 厦门信诺兴科技有限公司 | Printing equipment for UV printing of annular belt and annular printing process thereof |
| CN113415079B (en) * | 2021-04-29 | 2022-05-03 | 厦门信诺兴科技有限公司 | Printing equipment for UV printing of annular belt and annular printing process thereof |
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