CN106166894A - Changing of printing plates device - Google Patents
Changing of printing plates device Download PDFInfo
- Publication number
- CN106166894A CN106166894A CN201610341890.1A CN201610341890A CN106166894A CN 106166894 A CN106166894 A CN 106166894A CN 201610341890 A CN201610341890 A CN 201610341890A CN 106166894 A CN106166894 A CN 106166894A
- Authority
- CN
- China
- Prior art keywords
- forme
- changing
- clamping
- printing plates
- slide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
- B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
-
- 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
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
- B41F27/1206—Feeding to or removing from the forme cylinder
-
- 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
- B41F27/005—Attaching and registering printing formes to supports
Abstract
The present invention relates to the changing of printing plates device of a kind of printer, it includes clamping device, described clamping device has a first clamping face (19) having terminal on the conveying direction of forme and one second clamping face (20), and described forme can be clamped between described first clamping face (19) and described second clamping face (20).
Description
Technical field
The present invention relates to the changing of printing plates device of a kind of printer.
Background technology
In EP 0 603 245 B1, describe a kind of changing of printing plates device, this changing of printing plates device include for
The coaster of transport of printing plates.Coaster has the holding means for keeping forme, and described holding means constructs
For pumping part.This changing of printing plates device is not suitable for changing flexible printing forme.With smooth hectograph forme phase
Ratio, flexible printing forme has surface relief printing plate (flexible relief printing plate), and described surface relief printing plate has the printing figure determined.
When pumping part is placed on described relief printing plate, due to the irregularities of described relief printing plate, it is impossible to realize
Being tightly connected and cannot be avoided erroneous air between pumping part and forme sucks.It is believed that it is wrong
Air is the biggest in most cases by mistake so that actually utilize described pumping part not keep
Forme.
Describing a kind of changing of printing plates device in DE 10 2,012 014 806 A1, this changing of printing plates utensil has
That arrange on the housing of changing of printing plates device, fixing conveying roller and arrange on lever end,
Swingable conveying roller.When being transported away from plate cylinder by forme, swingable conveying roller supports
Lean against on fixing conveying roller, and forme is clamped between two conveying rollers rotated.Defeated
Send the periphery of roller corresponding to the characteristic of roller be endless long and form the clamping of rotation
Face.It is to say, there is the clamping face of two endless rotated, forme is clamped at said two
Between the clamping face of the endless rotated.This changing of printing plates device is not suitable for changing flexible printing forme yet.Soft
The surface relief printing plate of property forme is generally of the thinnest protuberance or tip, in order to can be with printed with fine
Figure element, such as point.There is the danger of tip of the flexible relief printing plate that weares and teares due to wheel slip in this.By
Forme can be made to become unusable in this damage.
Summary of the invention
It is an object of the invention to, propose a kind of changing of printing plates device being highly suitable for flexible printing forme.
This purpose is realized by the changing of printing plates device of a kind of printer, and described changing of printing plates device includes clamping
Device, described clamping device has a first clamping face and having terminal on the conveying direction of forme
Second clamping face, wherein, forme can be clamped between the first clamping face and the second clamping face.
In the case of the changing of printing plates device according to the present invention, neither there is the problem that false air sucks,
The problem that the most there is not relief printing plate abrasion.Described changing of printing plates device is applicable to the surface with sensitivity best
The forme of relief printing plate, such as flexible printing forme, described flexible printing forme uses effect in japanning (gloss varnish) device
In some paint japanning version or use in flexography printing device.Changing of printing plates device according to the present invention
Preferably painting installation or the assembly of flexography printing device.Attendant advantages is, according to the present invention
The clamping device of changing of printing plates device be also applied for smooth hectograph forme, thus changing of printing plates device also may be used
Assembly for use as offset printing appts.Therefore, for offset printing appts and for painting installation
(flexography printing device) can use the changing of printing plates device that version is identical, thus can reduce
Manufacturing cost.
The different further scheme of the changing of printing plates device according to the present invention is possible.
In a further scheme, described clamping device is the assembly of conveying slide plate, and described conveying is sliding
Plate can move on described conveying direction.Here, clamping device constitutes holding means, carry slide plate
Firmly grasping forme by means of described holding means, described forme is being carried by the most described conveying slide plate
Plate cylinder it is delivered on direction.Clamping device is preferably placed at inside described conveying slide plate, so that
The promptly point (clamping position) obtaining clamping device is in the section of forme, and described section is to print
Version be delivered to plate cylinder during forme in the conveying direction the most front 1/4th.
In a further scheme, clamping device includes clamping column, and the first clamping surface construction is described
On clamping column.Clamping column can be supported by the adjustment directions the most movably, and described regulation direction is relative
Vertical with the transporting flat of forme in conveying direction.By making clamping column move in the adjustment directions, will
Clamping column takes in clamped position, and described forme is clamped at the first clamping face in described clamped position
With second between clamping face.Clamping column can be moved in clamped position by spring when clamping and
Being retracted from clamped position by actuator when unclamping described clamping, wherein, the latter resists the work of spring
With carry out.Actuator is working cylinder, preferably pneumatic linear actuator.Second clamping face can construct smooth
Clamping supporting member on, described clamping supporting member and clamping column are right on the regulation direction of described clamping column
Dispose accurately.The the second clamping face on smooth clamping supporting member that constructs is as the first clamping face
Ground is that terminal clamps face, say, that be not the periphery of roller.
In a further scheme, changing of printing plates utensil has actuator or motor, such as electro-motor
And actuating device.Motor carries slide plate through actuator drives, in order to make conveying slide plate in conveying
Side moves upward and return movement again.Actuating device can be belt driver, such as triangular belt biography
Dynamic device, or there is the actuating device of the driving member setting tooth, such as gear drive or tooth
Bar actuating device.Actuating device preferably tooth belt driver and be thus not only V belt translation dress
Put the actuating device being also there is the driving member setting tooth.Tooth belt driver includes as setting tooth
The cog belt of driving member and the belt wheel setting tooth.
Accompanying drawing explanation
Further scheme is also drawn, in accompanying drawing by the explanation of embodiment and accompanying drawing:
Fig. 1 illustrates printer,
Fig. 2 illustrates the painting installation of printer,
Fig. 3 illustrates plate cylinder and the changing of printing plates device of painting installation, and this figure has changing of printing plates device
Forme guider,
Fig. 4 a illustrates forme guider from direction of observation BR (seeing Fig. 3),
Fig. 4 b illustrates the variant of forme guider,
Fig. 5 illustrates the conveying slide plate of forme guider, and this figure has the clamping device of conveying slide plate,
Fig. 6 illustrates the thin portion of the clamping device of conveying slide plate,
Fig. 7 illustrates the driving means for driving slide block,
Fig. 8 shows the registration device for forme on changing of printing plates device and on plate cylinder
Registration device,
Fig. 9 a-9d illustrates and regulates forme by means of conveying slide plate relative to the registration device of changing of printing plates device
Order, and
Figure 10 illustrates to have and guides and the multifunctional element of defencive function.
Detailed description of the invention
Fig. 1 illustrates printer 1, and it has offset printing appts and the flexographic plate as painting installation 48
Printing equipment.Printer is to have unshowned continuous glassware and the page printer of collector.
Fig. 2 illustrates, painting installation 48 has plate cylinder 2 and for changing the changing of printing plates of forme 4
Device 5.Forme 4 is for a flexible printing forme for paint.In printing operation, roller 42 rolls on forme 4
Dynamic, described roller is coating roller and is also half tone roller.
Fig. 3 illustrates, changing of printing plates device 5 has forme guider 14 and forme well 5, described forme
Well extends vertically.Forme guider 14 is supported by hinge 13 and can outwards overturn.
Conveying slide plate 6 is movably supported in forme guider 14.Forme guider 14 is around hinge
Chain 13 swings, in order to be adjusted to described forme guider supply position 46 (seeing Fig. 4).Print
Version guider 14 has approximate horizontal position in supply position 46.Conveying slide plate 6 is from forme
Guider 14 moves out, in order to be brought into by described conveying slide plate in supply position 46.Here,
Roller 8 moves on guide 7, and described roller carries conveying slide plate 6 on its leading section.Guide
7 are respectively provided with a section (so-called slope) risen and are fixed on plate cylinder 2.Guide
Part 7 causes forme guider 14 and the conveying being supported in described forme guider when location
Slide plate 6 swings slightly around hinge 13 together.
Fig. 4 a illustrates, roller 8 abuts in front backstop or front backstop 9, described front backstop or front
The stretching out stroke and be fixed on plate cylinder 2 of backstop limit transport slide plate 6.By plate cylinder 2
It is divided into two imaginary axial section, the imaginary axle of said two about its geometry cylinder rotational axis 45
In section one is directed towards cylinder half portion that the fore side of printer 1 is placed, and another is
Cylinder half portion placed towards driving side.One axial section is referred to as fore side section 10, and another
Individual axial section is referred to as driving side section 11.One guide 7 and a front backstop 9 are positioned at operation
In lateral areas section 10, and another guide 7 and another front backstop 9 are positioned at driving side section 11
In.The geometry rotation axis of roller 8 is each other to center and parallel with cylinder rotational axis 45.Forme
Guider 14 when being adjusted to supply in position 46 by lateral backstop or horizontal backstop 47
Laterally it is orientated and feels relieved about plate cylinder 2.Laterally backstop 47 be have parallel to each other and
The roller of the geometry roller rotation axis 49 vertical with cylinder rotational axis 45.In supply position 46,
Forme guider 14 is between two the horizontal backstop 47 being fixed in frame.
Fig. 4 b illustrates a variant, and in described variant, horizontal backstop 47 is not constructed to be placed on
The roller of cylinder, and it is constructed to be built in the measurement ring of cylinder.Same with the roller 8 of conveying slide plate 6
Axle and the cuphead pilotage gear that is fixed on described conveying slide plate lean against two measurement ring of plate cylinder 2
In sides directed toward each other, in order to make forme guider 14 laterally be orientated.
Fig. 5 illustrates, forme 4 is carried on conveying direction 16 by conveying slide plate 6 towards plate cylinder 2
And firmly grasp described forme at this by means of integrated holding means.Holding means is clamping device 17,
Described clamping device has the first clamping face 19 and one second clamping face 20 on a clamping column 18.One
Clamping device 3 is arranged on plate cylinder 2, and forme 4 is directed to described by forme guider 14
In clamping device.The leading edge of forme 4 is moved to the clamping device 3 of plate cylinder 2 by conveying slide plate 6
In.Plate cylinder 2 has another the clamping device unshowned back edge with fixing printing block 4.
Fig. 6 illustrates, is clamped at two clamping faces 19 at forme 4, time between 20, and the first clamping face
19 are loaded by the spring 21 producing clamping force.Clamping column 18 presses to the second folder when clamping by spring
Tight face 20 and resist the effect of spring 21 when unclamping described clamping by actuator 22 and retract.
Actuator 22 is Pneumatic working cylinder.Two clamping faces 19,20 are respectively provided with one at conveying direction 16
Upper observation has the extension of terminal, described conveying direction to illustrate with arrow in Figure 5.
Fig. 7 illustrates, conveying slide plate 6 is along conveying direction 16 and moving movement in the opposite direction
Driven via actuating device 24 by electro-motor 23.Motor 23 and actuating device 24 are arranged in
In forme guider 14.Actuating device 24 is traction mechanism drive and has as transmission
The cog belt 26 of component and the belt wheel 25 being wound around by described cog belt.Motor 23 can be indirectly by
Intermediate member or the most directly by a driving in described belt wheel 25.Conveying slide plate 6 is solid
It is scheduled on cog belt 26 and directed in unshowned linear guide apparatus.
Fig. 8 illustrates, forme 4 has two alignment punchings (so-called mating holes) in its leading edge
28, one group of first set pilot pin (so-called cooperation bolt) 29 may be inserted in described alignment punching.First
Set pilot pin 29 is fixed in forme well 12 and (sees Fig. 3).One group second is overlapped pilot pin 30 and is fixed on forme
On the clamping device 3 of cylinder 2, and when forme 4 is clamped in clamping device 3, described
Two set pilot pins are inserted in alignment punching 28.The diameter of the second set pilot pin 30 is slightly less than first set pilot pin
The diameter of 29.Such as, a diameter of ten centimetres of first set pilot pin 29, and the second set pilot pin 30
A diameter of nine centimetres, wherein, diameter difference is 1 centimetre and is thus 10%.Diameter difference can be 5%
To 20%.
When trouble-free operation, the second set pilot pin 30 does not inserts alignment with forme 4 contiguously with loose fit
In punching 28, and forme 4 passes through first set pilot pin relative to the accurate registration position of clamping device 3
29 guarantee with clamping device 17, conveying slide plate 6 and the interaction of backstop 9,47.(fixed in interference
Position is inaccurate) and manual plate equipment in the case of, second overlaps pilot pin 30 contacts with forme, and second
Set pilot pin 30 causes the rough alignment of forme 4, after forme 4 is clamped, and described forme accurate
Alignment realizes by means of the alignment adjusting means of plate cylinder 2.
Fig. 9 a illustrates, in forme guider 14 is inwardly inverted into forme well 12 and be in described
During the vertical position of forme guider, first set pilot pin 29 is inserted in alignment punching 28.Here,
First set pilot pin 29 abuts on the centre portion at u shape edge of alignment punching 28.
As the most appreciable, the centre portion of an alignment punching 28 is straight, and
And the centre portion of another alignment punching 28 is semicircular, and two centre portions lay respectively at
Between two lateral sectors parallel to each other at the edge of corresponding alignment punching 28.Institute at forme 4
Stating in the state of accurate registration, the clamping device 17 of conveying slide plate 6 closes, and forme 4 is clamped
In described clamping device.
Fig. 9 b illustrates, carries slide plate 6 and returns on the forme 4 being clamped in a first direction 31
Motion, wherein, described conveying slide plate moves up in the most vertical forme guider 14.Thus,
Free space 33 is produced between the centre portion and the set pilot pin 29 of correspondence of corresponding alignment punching 28.
Free space 33 can so determine size, so that overlapping pilot pin 29 or (as in accompanying drawing
Like that) internal also in alignment punching 28 or (being different from accompanying drawing ground) has been in alignment punching 28
Outside.
Fig. 9 c illustrates, forme 4 is raised about first set pilot pin 29 and is the most so orientated, and makes
Obtain forme 4 not enter with colliding with first set pilot pin 29 in second direction 32 (seeing Fig. 9 d)
Row travels forward.When mentioning forme 4, described forme carries out following motion, and described motion has
Component motion with the motion vertical in a first direction 31 and second direction 32.Described component motion
It is orientated abreast with the horizontal center line axis of first set pilot pin 29.Mentioning by making forme lead of forme 4
Transferring realization to device 14 from forme well 12 is turned-out, wherein, forme guider 14 is around hinge
13 (seeing Fig. 3) swing to supply in position.It is to say, the motion with described component motion is
Oscillating motion or outwards flip-flop movement and illustrate with the arrow of bending in Fig. 9 c.In described motion,
Forme 4 is securely maintained in clamping device 17, and described clamping device is referred to as holding means.
Clamping device 17 is fixed on conveying slide plate 6, and described conveying slide plate is fixed on by linear guide apparatus
On forme guider 14.Therefore, forme guider is realized relative to the regulation of forme well 12
Forme 4 moves relative to the first set pilot pin 29 being fixed on forme aboveground.
Fig. 9 d illustrates, be clamped forme 4 by described conveying slide plate 6 in second direction 32 defeated
Send the head crossing first set pilot pin 29, described second direction and conveying direction 16 (seeing Fig. 5 or 8)
Unanimously.When conveying slide plate 6 travels forward in second direction 32, conveying slide plate 6 moves to supply
In position 46.Here, forme 4 is pushed in the clamping device 3 of the unlatching of plate cylinder 2, and
And clamping device 3 second set pilot pin 30 insert in alignment punching 28.
The electronic-controlled installation 34 diagrammatically only illustrated in Fig. 2 is according to the program control run wherein
Seal carving version changer 5.Control device 34 and such as control actuator 22 and motor 23.Described program bag
Include the program step corresponding to the method step shown in Fig. 9 a-9d.
Figure 10 illustrates, a multifunctional element 36 is arranged between roller 42 and changing of printing plates device 5, described
Multifunctional element can swing in primary importance 39 and the second position 40 alternatively around hinge 44.
It is that forme guides position and for by forme 43 to be derived with the primary importance 39 shown in virtual figure line
Guide to forme well 12 from plate cylinder 2.Forme 43 is to use as above-cited forme 4
In a flexible printing forme for paint, wherein, two formes 4,43 in terms of printing image different from each other and
It is provided for different print job, it is therefore desirable to change forme.Forme 43 to be derived is at spigot surface
Sliding on 37, described guide surface is formed by the concave inner side face of multifunctional element 36.Multifunctional element
36 are housings and are propped up swingably by load bearing arm on two ends of multifunctional element 36
Hold.The second position 40 being shown in solid is to spray protective position and for collecting liquid (paint) 50,
Described liquid inevitably sprays from the roller 42 rotated towards the direction of forme well 12.By described roller
The droplet collision of the liquid 50 that 42 throw away is to spraying on protection face 38, and described injection protection face is by many merits
The convex outer of energy element 36 is formed.Forme well 12 is the sensitive components 41 of changing of printing plates device 5, by
Multifunctional element 36 protects described sensitive components from the pollution of the liquid 50 ejected.Primary importance
39 and the second position 40 diametrically, say, that offset one from another with the pendulum angle of 180 °, its
In, angular deviation can be or the difference of little most 90 ° bigger than 180 ° in other applicable cases.
Reference numerals list
1 printer
2 plate cylinders
3 (plate cylinder 1) clamping device
4 (for some paint and/or for flexographic printing) forme
5 changing of printing plates devices
6 (slide or roll) conveying slide plate
7 guides (as setting element)
8 (on conveying slide plate 6) roller
9 backstops, front backstop (as setting element)
10 (plate cylinder 2) fore side section
11 (plate cylinder 2) driving side section
12 forme wells
13 hinges
14 forme guiders
16 (forme 4) conveying direction
17 (conveying slide plate 6) holding means, clamping device
18 clamping columns
19 (on clamping column 18) first clamping face
20 second clamping faces
21 springs
22 actuators
23 motors
24 actuating devices
25 belt wheels (as driving member)
26 cog belts (as driving member)
28 alignment punchings
29 first set pilot pins (the set pilot pin on forme well 12 to)
30 second sets pilot pins (the set pilot pin on clamping device 3 to)
31 first directions (transport of printing plates 4 backward)
32 second directions (are fed forward forme 4)
33 free spaces
34 control device (able to programme)
36 multifunctional elements
37 spigot surfaces
38 injection protection faces
39 primary importances (forme guiding position)
40 second positions (injection protective position)
41 components (corresponding to forme guider 14)
42 rollers
43 formes
44 hinges
45 cylinder rotational axis
46 (forme guider 14 and conveying slide plate 6) supply position
47 horizontal backstops
48 painting installations
49 roller rotation axiss
50 liquid
BR direction of observation
Claims (10)
1. a changing of printing plates device for printer, it includes clamping device (17), described clamping device tool
There is a first clamping face (19) and one second having terminal on the conveying direction (16) of forme (4)
Clamping face (20), described forme (4) can be clamped at described first clamping face and described second folder
Between tight face.
Changing of printing plates device the most according to claim 1, wherein, described clamping device (17) is solid
Being scheduled on a conveying slide plate (6), described conveying slide plate can be upper mobile at described conveying direction (16).
Changing of printing plates device the most according to claim 2, wherein, described clamping device (17) is pacified
Put described conveying slide plate (6) internal, so that described clamping device (17) is in described forme (4)
The most front 1/4th at firmly grasp described forme (4), described the most front 1/4th is by described forme
(4) described forme (4) it is delivered to during a plate cylinder (2) on described conveying direction (16)
The most front 1/4th.
4. according to the changing of printing plates device described in any one of claims 1 to 3, wherein, described first folder
Tight face (19) constructs on a clamping column (18), and described clamping column can be perpendicular to described conveying side
It is adjusted in a clamped position to (16).
Changing of printing plates device the most according to claim 4, wherein, described clamping column (18) can
It is adjusted in described clamped position by spring (21).
Changing of printing plates device the most according to claim 5, wherein, described clamping column can be by causing
Dynamic device (22) is resisted the land used regulation of making of described spring (21) and is left described clamped position.
Changing of printing plates device the most according to claim 6, wherein, described actuator (22) is gas
Dynamic cylinder.
Changing of printing plates device the most according to any one of claim 1 to 3, wherein, described conveying
Slide plate (6) can pass through a motor (23) via an actuating device (24) in described conveying direction (16)
On driven.
Changing of printing plates device the most according to claim 8, wherein, described actuating device (24) is
Belt driver and/or there is the actuating device of the driving member setting tooth.
Changing of printing plates device the most according to claim 9, wherein, described belt driver includes setting
The belt wheel (25) of tooth and cog belt (26).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015209472 | 2015-05-22 | ||
| DE102015209472.3 | 2015-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106166894A true CN106166894A (en) | 2016-11-30 |
| CN106166894B CN106166894B (en) | 2020-09-01 |
Family
ID=57231777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610341890.1A Active CN106166894B (en) | 2015-05-22 | 2016-05-20 | Plate changer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106166894B (en) |
| DE (1) | DE102016206223A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484004A (en) * | 2018-09-30 | 2019-03-19 | 镇江微芯光子科技有限公司 | A kind of quick clamping mechanism of iron-printing machine |
| CN110065299A (en) * | 2018-01-23 | 2019-07-30 | 海德堡印刷机械股份公司 | Method for examining the printing plate in printing machine to clamp |
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2016
- 2016-04-14 DE DE102016206223.9A patent/DE102016206223A1/en active Pending
- 2016-05-20 CN CN201610341890.1A patent/CN106166894B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065299A (en) * | 2018-01-23 | 2019-07-30 | 海德堡印刷机械股份公司 | Method for examining the printing plate in printing machine to clamp |
| CN110065299B (en) * | 2018-01-23 | 2022-02-11 | 海德堡印刷机械知识产权股份两合公司 | Method for checking the clamping of a printing plate in a printing press |
| CN109484004A (en) * | 2018-09-30 | 2019-03-19 | 镇江微芯光子科技有限公司 | A kind of quick clamping mechanism of iron-printing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016206223A1 (en) | 2016-11-24 |
| CN106166894B (en) | 2020-09-01 |
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