CN203592763U - Crawler-type forme mechanism of set type printing machine - Google Patents
Crawler-type forme mechanism of set type printing machine Download PDFInfo
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- CN203592763U CN203592763U CN201320622493.3U CN201320622493U CN203592763U CN 203592763 U CN203592763 U CN 203592763U CN 201320622493 U CN201320622493 U CN 201320622493U CN 203592763 U CN203592763 U CN 203592763U
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- driven voller
- forme
- drive roll
- crawler
- crawler type
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Abstract
The utility model belongs to the field of printing machinery manufacture, and especially relates to a crawler-type forme mechanism of a set type printing machine. 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 set type printing machine, rapid forme replacement can be achieved, the work intensity of an operator is reduced, the production period of a part is shortened, and the production cost is greatly reduced.
Description
Technical field
The utility model belongs to printing machinery and manufactures field, relates to a kind of unit type press printing plate mechanism, relates in particular to a kind of unit type press crawler type printing machine forme mechanism.
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.
Aluminium alloy pulley type pastes version roller: be that the flexographic plate of certain size is sticked on aluminium alloy roller and printed, take out aluminium alloy roller, again paste new flexographic plate, after reset, start working again.In the time that flexographic plate size changes, need again manufacture an aluminium alloy roller matching with flexographic plate size.This technical disadvantages: be 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 plate change dolly, so in the time 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 matching with flexographic plate, increased so again producing cost.Again, manufacture aluminium alloy roller price high, the process-cycle is long, is also not easy to deposit.
Telescopic subsides version roller: be that the flexographic plate of certain size is sticked on sleeve and printed.From aluminium alloy pulley type paste version roller different be first to a sleeve fixed axis core customized, then flexographic plate is sticked on the sleeve matching, then the sleeve that pastes flexographic plate; Be enclosed within and on fixed axis core, carry out work.In the time of plate change, only need to extract out sleeve, change flexographic plate and get final product work.In the time that flexographic plate size changes, need again to manufacture a sleeve matching with flexographic plate size, be exactly in other words the wall thickness change sleeve perimeter by changing sleeve, change printed patterns size thereby reach.This technical disadvantages: sleeve processing technology complexity, all dependence on import, the production cycle is long, and expensive (be about aluminium alloy roller two to three times).
Flexographic presses take 8 colour cells, 1.2 meters of fabric widths is produced as example explanation.
Wherein, adopt aluminium alloy to paste roller cartridge technology in the time of plate change, because of the deadweight larger (φ 300mm pastes roller cylinder and nearly weighs 100kg) of aluminium alloy subsides roller cylinder, at least need to be equipped with small-sized crane or special 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 replacing plate size, need again process 8 aluminium alloys and paste roller cylinder, 8 aluminium alloys paste 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.
Paste edition sleeve arrangement technology if adopt in the time of plate change, only need to extract out a subsides version sleeve and change new flexographic plate.If replacing plate size, need again process 8 and paste version sleeve, 8 process-cycles of pasting version sleeve are about 2 to 3 months, and 8 expenses of pasting 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.
Utility model content
The problem proposing based on background technology, the crawler type printing plate mechanism of the unit type press that the utility model provides a kind of and can change plate fast, the working strength that changes plate is little, part is with short production cycle, production cost is low.
The concrete technical scheme that the utility model solves background technology problem is:
The utility model 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 is fixedly fitted in the printing element of crawler belt outer surface;
Described strainer comprises being arranged on drive roll and makes drive roll to the drive roll moving assembly moving away from driven voller direction and be arranged on driven voller to make driven voller to the driven voller assembly moving away from 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 respectively on bracing frame.
Above-mentioned driven voller is inner is provided with air intake for cavity and one end; On described driven voller, be evenly provided with multiple gas holes.
The first power set that above-mentioned drive roll assembly comprises drive roll traversing carriage, is arranged on the first line slideway between drive roll traversing carriage and bracing frame and drive roll traversing carriage is moved back and forth;
The second power set that described driven voller assembly comprises driven voller traversing carriage, is arranged on the second line slideway between driven voller traversing carriage and bracing frame and driven voller traversing carriage is moved back and forth.
Above-mentioned drive unit, the first power set and the second power set are variable-frequency motor.
Advantage of the present utility model is being:
1, when the size of printable fabric changes in the utility model, 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.
2, when the utility model 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 utility model and forme base material own wt little (greatly about 2 kilograms), can effectively reduce working strength and convenient and swift.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model in printing position work.
Fig. 2 is the structural representation of the utility model in the work of plate change position.
Fig. 3 is the structural scheme of mechanism of driven voller in the utility model.
Fig. 4 is the structural scheme of mechanism of the utility model crawler type forme.
Wherein: 1-counter-pressure cylinder, 2-printing plate cylinder, 21-drive roll, 22-driven voller, 221-air intake, 222-gas hole, 23-crawler type forme, 231-crawler belt, 232-printing element, 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, 251-bracing frame, 252-line slideway, 253-drive unit.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model 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; (under normal circumstances, the fabric width of drive roll and driven voller is larger than the fabric width of crawler type forme)
Referring to Fig. 4, under normal circumstances, 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 is fixedly 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 and makes drive roll 21 to the drive roll moving assembly 241 moving away from driven voller 22 directions and be arranged on driven voller 22 to make driven voller 22 to the driven voller assembly 242 moving 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 drive roll traversing carriage 2411 is moved back and forth.
Driven voller assembly 242 comprises the driven voller traversing carriage 2421 for supporting fixing driven voller 22, the second line slideway 2422 that is arranged on driven voller traversing carriage 2421 and bracing frame 251 and the second power set 2423 that driven voller traversing carriage 2421 is moved back and forth.
Participate in Fig. 3, driven voller 22 is inner is provided with air intake 221 for cavity and one end; On driven voller 22, be evenly provided with multiple gas holes 222;
In equipment running process, driven voller air intake 221 starts air inlet, in the time that air gas is full of whole driven voller 22 internal cavities, under the effect of air pressure, gas overflows by the multiple gas holes 222 that are arranged on driven voller 22, the air overflowing forms gas-bearing formation at the outer surface of crawler type forme 23 inner surfaces and driven voller 22, crawler type forme 23 is separated with driven voller 22, and 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 utility model adopts or have good pliability, flexible resistance, anti-fatigue performance and be difficult for aging special material, makes 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.
Conventionally, each colour cell of unit type press is provided with printing plate mechanism, is now described with regard to the plate change process of the printing plate mechanism in one of them colour cell in conjunction with Fig. 1 and Fig. 2:
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, be directly 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 start working, and under the effect of the first power set 2413, drive roll traversing carriage 2411 is along the first line slideway 2412 towards moving away from the direction of driven voller support 2421; Meanwhile, under the effect of the second power set 2423, driven voller traversing carriage 2421 is along the second line slideway 2422 towards moving away from the direction of drive roll support 2411, and crawler type forme 23 is in pre-tensioner state;
Step 1.3) driven voller 22 ventilates, 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, in gap, produce gas-bearing formation, crawler type forme 23 suspends, and in tensioning state;
Step 1.4) drive unit 253 in travel mechanism 25 starts working, under the guide effect of line slideway 252, order about bracing frame 251 towards moving away from the direction of plate change position, afterwards the strainer 24, drive roll 21, driven voller 22 and the crawler type forme 23 that make to be arranged on bracing frame 251 also start towards moving away from the direction of 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, 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 253 in travel mechanism starts working, under the guide effect of line slideway 252, ordering about bracing frame 251 moves to the direction away from printing position, afterwards the strainer 24, drive roll 21, driven voller 22 and the crawler type forme 23 that make to be 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) when moving to, whole printing plate mechanism changes plate behind 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 uses and last time the specification of crawler type forme similar, can use the crawler belt using in printing process last time; Therefore do not need crawler belt to change, only need change printing element; The second situation: the specification of the crawler type forme of new lot has a very large change, and the crawler belt that used in printing process last time and printing element can not meet the requirement of new lot product, therefore needs crawler belt and printing element all again make and change.
Claims (4)
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 is fixedly fitted in the printing element of crawler belt outer surface;
Described strainer comprises being arranged on drive roll and makes drive roll to the drive roll moving assembly moving away from driven voller direction and be arranged on driven voller to make driven voller to the driven voller assembly moving away from 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 respectively on bracing frame.
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 one end; On described driven voller, be evenly provided with multiple gas holes.
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 drive roll traversing carriage, is arranged on the first line slideway between drive roll traversing carriage and bracing frame and drive roll traversing carriage is moved back and forth;
The second power set that described driven voller assembly comprises driven voller traversing carriage, is arranged on the second line slideway between driven voller traversing carriage and bracing frame and driven voller traversing carriage is moved back and forth.
4. the crawler type printing plate mechanism of unit type press according to claim 3, is characterized in that: described drive unit, the first power set and the second power set are variable-frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320622493.3U CN203592763U (en) | 2013-09-30 | 2013-09-30 | Crawler-type forme mechanism of set type printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320622493.3U CN203592763U (en) | 2013-09-30 | 2013-09-30 | Crawler-type forme mechanism of set type printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203592763U true CN203592763U (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320622493.3U Withdrawn - After Issue CN203592763U (en) | 2013-09-30 | 2013-09-30 | Crawler-type forme mechanism of set type printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203592763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481640A (en) * | 2013-09-30 | 2014-01-01 | 西安秦华机械有限责任公司 | Crawler-type forme mechanism of unit type printing machine and forme replacement method thereof |
| CN109878199A (en) * | 2019-03-26 | 2019-06-14 | 西安秦华机械有限责任公司 | A kind of arch (bridge) type flexographic presses |
-
2013
- 2013-09-30 CN CN201320622493.3U patent/CN203592763U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481640A (en) * | 2013-09-30 | 2014-01-01 | 西安秦华机械有限责任公司 | Crawler-type forme mechanism of unit type printing machine and forme replacement method thereof |
| CN103481640B (en) * | 2013-09-30 | 2015-06-10 | 西安秦华机械有限责任公司 | Crawler-type forme mechanism of unit type printing machine and forme replacement method thereof |
| CN109878199A (en) * | 2019-03-26 | 2019-06-14 | 西安秦华机械有限责任公司 | A kind of arch (bridge) type flexographic presses |
| CN109878199B (en) * | 2019-03-26 | 2024-05-10 | 西安秦华机械有限责任公司 | Arch bridge type flexographic printing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140514 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |