CN104044335B - Carton printing machine and printing method - Google Patents
Carton printing machine and printing method Download PDFInfo
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- CN104044335B CN104044335B CN201410254650.9A CN201410254650A CN104044335B CN 104044335 B CN104044335 B CN 104044335B CN 201410254650 A CN201410254650 A CN 201410254650A CN 104044335 B CN104044335 B CN 104044335B
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Abstract
The invention relates to the technical field of printing equipment and provides a carton printing machine which is more stable in conveying so as to improve the printing color register precision and the printing color register stability. The carton printing machine comprises wall plates at the two sides and at least one group of printing unit, wherein a printing entrance allowing paperboards to enter is arranged between the wall plates at the two sides and is communicated to the printing units, each group of printing unit comprises a printing roller, a printing plate and a vacuum box, each printing plate is arranged on the corresponding printing roller and is positioned between the corresponding printing roller and the corresponding vacuum box, each vacuum box is internally provided with an impressing roller and a conveying roller, the radial perimeter of each printing roller is matched with the length of the long sides of the printed paperboard, and the axial length of each printing roller is matched with the length of the short sides of the printed paperboard. The short sides of the paperboard are aligned with the printing entrance of the printing machine to enter the carton printing machine, and the paperboard and the vacuum boxes have the contact length of the long sides in the forwarding direction, so that the adsorption force is enhanced, the conveying is more stable, and the printing color register precision and the printing color register stability are greatly improved.
Description
Technical field
The present invention relates to printing equipment technical field, more particularly, to a kind of carton press and printing process.
Background technology
Carton press is that the printing that can be printed to carton tank surface required word, pattern and other information sets
It is standby.In the prior art, carton press generally includes multigroup printing element.The operation principle of every group of printing element is：Printing plate is hung
In print roller, inking roller gives printing plate inking, and cardboard is passed through the suction-operated of vacuum tank and passed using shaggy transmission wheel
Send, it is ensured that transmission wheel, roller platen, print roller linear velocity it is consistent, by roller platen by the pattern on printing plate " replicated " to cardboard
The process on surface.Every group of printing element prints a kind of color, and various fineness is formed by the folded color of multigroup printing element
Pattern.
In whole printing industry, the printing process of carton press is that the side long of cardboard is aligned into being printed into for printing machine
Mouthful and enter.For example when the cardboard of 300 × 600mm is printed, by the side long of cardboard（600mm）It is directed at the printing entrance of printing machine
Into adsorbing by vacuum tank and utilize transmission wheel to transmit into back cardboard.As shown in figure 1, be the drawbacks of this printing process,
Cardboard only has the contact length of 300mm between vacuum tank in a forward direction（That is the length of short side）.Due to adjacent two groups
Printing element has certain spacing in itself, and when cardboard is sent to another group of printing element from one group of printing element, cardboard exists
Contact length in direction of advance between vacuum tank is narrow, causes adsorption area not enough, and then cause vacuum tank to cardboard
Absorption affinity is inadequate so that the transmission of cardboard is unstable, the skew on position easily occurs, influences trapping printing, and printing precision is not
It is high.After the skew on position occurs in cardboard, due to the factor such as rigidity, weight of parts, it is difficult to pass through to transfer printing machine
Parts correct skew.Therefore, industry common practice is the power for increasing centrifugal blower in vacuum tank, increase absorption affinity,
So as to ensure cardboard transmission stabilization.However, the power for increasing centrifugal blower can increase power consumption, increase electric cost.
The content of the invention
It is contemplated that at least solving above-mentioned technical problem to a certain extent.
It is more steady it is an object of the invention to provide one kind transmission, so as to improve the paper of trapping printing precision and set color stability
Case printing machine.
The technical solution adopted for the present invention to solve the technical problems is：A kind of carton press, including both sides wallboard
And at least one set of printing element, the printing entrance entered for the cardboard with side long and short side is provided between the wallboard of both sides,
The printing entrance leads to printing element, and the printing element includes print roller, printing plate and vacuum tank, and the printing plate is located at printing
On roller and positioned between print roller and vacuum tank, roller platen and transmission wheel, the radial direction of the print roller are provided with the vacuum tank
Girth matches with the edge lengths long of printed cardboard, and the axial length of the print roller is long with the short side of printed cardboard
Degree matches.
Because in the prior art, the printing process of carton press is that the side long of cardboard is aligned into being printed into for printing machine
Mouthful and enter, i.e. cardboard has the length on side long in the axial direction of print roller, and has the length of short side in direction of advance.Cause
This, radial direction girth and the bond length of printed cardboard of print roller of the prior art match（Equal or substantially phase
Deng）, print roller rolled on cardboard one week and complete printing；And the length of side long of the axial length of print roller and printed cardboard
Degree matches, and the breadth of whole printing machine is larger.As noted previously, as this printing process causes that the transmission of cardboard is unstable,
Easily there is the skew on position, influence trapping printing, printing precision is not high.
Therefore, the present invention is by increasing the radial direction girth of print roller and shortening the axial length of print roller so that print roller
Radial direction girth match with the edge lengths long of printed cardboard, the short side of the axial length of print roller and printed cardboard
Length matches such that it is able to change the print direction of cardboard, will cardboard short side alignment printing machine printing entrance and enter
Enter.After cardboard enters, cardboard has the contact length on side long between vacuum tank in a forward direction, compared to existing technology significantly
Increase, transmit more steady.Even if when cardboard is sent to another group of printing element from one group of printing element, cardboard is in direction of advance
It is upper also still to have enough contact lengths and vacuum tank between, so as to there are enough adsorption areas, and then increase vacuum tank to paper
The absorption affinity of plate, it is ensured that cardboard transmission is steady, is not in the skew on position, so as to greatly improve trapping printing precision and set
Color stability.Additionally, the present invention is without increase absorption affinity by increasing the power of centrifugal blower, reducing energy consumption and electricity consumption into
This, while can also reduce the horizontal breadth of whole printing machine.
In one embodiment, the bond length phase of the distance between wallboard of the both sides and printed cardboard
Match somebody with somebody, that is, the horizontal width for printing entrance matches with the bond length of printed cardboard, can directly by cardboard during printing
Short side is directed at the printing entrance of printing machine and enters, and without spending the more time to position cardboard, greatly improves cardboard
The efficiency of printing.
In one embodiment, the axial length of the printing plate is not more than the bond length of printed cardboard.Due to
The axial length of print roller matches with the bond length of printed cardboard, i.e., shorten the axle of print roller compared to existing technology
To length, and printing plate is suspended in print roller.To avoid the part-structure of printing plate hanging in print roller, therefore the printing plate
Axial length is not more than the bond length of printed cardboard, that is, the no more than axial length of print roller, that is, need same
Shorten the axial length of printing plate.
In a preferred embodiment, the axial length of the axial length of the roller platen and transmission wheel with printed
The bond length of the cardboard of brush matches.Enter due to the short side of cardboard is aligned into the printing entrance of printing machine, pressed during transmission
Print roller and each transmission wheel only have the contact length of short side with cardboard in the axial direction, therefore on the basis of prior art
On, the axial length of roller platen and each transmission wheel can be shortened, matched with the bond length with cardboard.Certainly, at other
In implementation method, existing roller platen and transmission wheel also can be still used, only need to meet the radial direction girth of print roller and be printed
The edge lengths long of the cardboard of brush match, and the axial length of print roller matches with the bond length of printed cardboard.
The present invention also provides a kind of printing process of above-mentioned carton press simultaneously, comprises the following steps：By the short of cardboard
Edge lengths alignment printing entrance enters, and is adsorbed by vacuum tank into back cardboard and utilize transmission wheel to transmit, will print by roller platen
Imprint patterns in version are to paperboard surface.
In a preferred embodiment, the specification of printed cardboard is selected from 300 × 600mm, 700 × 1800mm, 800
×1600mm、900×2000mm、900×2400mm、1200×2400mm、1200×2800mm、1300×2100mm、1600
×2100mm、1600×2400mm、1600×2800mm、1600×3200mm、2200×3600mm.Certainly, implement at other
In mode, the present invention can also apply to the printing of the cardboard of other specifications, only need to meet the radial direction girth of print roller and be printed
The edge lengths long of the cardboard of brush match, and the axial length of print roller matches with the bond length of printed cardboard.
The beneficial effects of the invention are as follows：Compared to existing technology, cardboard has side long between vacuum tank in a forward direction
Contact length, so as to there is enough adsorption areas, and then increase absorption affinity of the vacuum tank to cardboard, it is ensured that cardboard transmission is flat
Surely, be not in skew on position, so as to greatly improve trapping printing precision and set color stability.Additionally, the present invention need not
Increase absorption affinity, reducing energy consumption and electric cost by increasing the power of centrifugal blower, while can also reduce whole print
The horizontal breadth of brush machine.
Brief description of the drawings
Fig. 1 shows several positions during cardboard printing in the prior art, wherein eliminating the part zero of carton press
Part.
Fig. 2 is the part-structure schematic diagram of carton press in one embodiment of the invention.
Fig. 3 is the structural representation of printing element in one embodiment of the invention.
Fig. 4 shows several positions during cardboard printing in the present invention, wherein eliminating the part zero of carton press
Part.
Fig. 5 is the printing effect figure of prior art.
Fig. 6 is printing effect figure of the invention.
Accompanying drawing being for illustration only property explanation, it is impossible to be interpreted as limitation of the present invention；In order to more preferably illustrate embodiment, accompanying drawing
Some parts have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art, it is attached
Some known features and its explanation may be omitted and will be understood by figure.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in further details.
Embodiment 1
As shown in Figure 2 and Figure 3, the wallboard 101 and at least one set of a kind of carton press 100 of the invention, including both sides
Printing element 102, is provided with the printing entrance 103 entered for the cardboard with side long and short side between the wallboard 101 of both sides, described
Printing entrance 103 leads to printing element 102.In actual use, the group number of printing element 102 depends on printed specific figure
Case.Every group of printing element 102 prints a kind of color, and the pattern of various fineness is formed by the folded color of multigroup printing element.
Similar to prior art, every group of printing element 102 includes inking roller 104, print roller 105, printing plate 106（For example set
Fat printing plate）And vacuum tank 107.Transmission wheel 108 is provided with vacuum tank 107（Generally using shaggy ceramics wheel）And impressing
Roller 109.Printing plate 106 is hung in print roller 105, and inking roller 104 gives the inking of printing plate 106, and roller platen 109 is located at the lower section of printing plate 106
And be located on same vertical line with print roller 105, inking roller 104, while roller platen 109 is located at same level with transmission wheel 108
On line.Cardboard（Such as but not limited to 300 × 600mm）Adsorbed in transmission wheel 108 by vacuum tank 107, by shaggy
Transmission wheel 108 is transmitted, it is ensured that transmission wheel 108, roller platen 109, print roller 105 linear velocity it is consistent, will be printed by roller platen 109
Pattern in version 106 is " replicated " to paperboard surface, so as to complete printing.
As shown in figure 1, because in the prior art, the printing process of carton press is that the side long of cardboard is aligned into printing
The printing entrance of machine and enter, i.e. cardboard has the length on side long in the axial direction of print roller, and has in direction of advance short
The length on side.Therefore, the radial direction girth of print roller of the prior art matches with the bond length of printed cardboard（It is equal
Or it is roughly equal）, print roller rolled on cardboard one week and complete printing；And the axial length of print roller and printed cardboard
Edge lengths long match, the breadth of whole printing machine is larger.As noted previously, as this printing process causes the transmission of cardboard
It is unstable, easily there is the skew on position, trapping printing is influenceed, printing precision is not high.
Therefore, as shown in Figure 2 and Figure 3, the present invention is by increasing the radial direction girth of print roller 105 and shortening print roller 105
Axial length so that the radial direction girth of print roller 105 matches with the edge lengths long of printed cardboard, the axle of print roller 105
Match with the bond length of printed cardboard to length such that it is able to change the print direction of cardboard, will cardboard it is short
Side is directed at the printing entrance 103 of printing machine 100 and enters.
As shown in figure 4, after cardboard 200 enters, being adsorbed in transmission wheel 108 by vacuum tank 107, by shaggy biography
Wheel 108 is sent to transmit.Wherein cardboard 200 has the contact length on side long between vacuum tank 107 in a forward direction, compared to existing
The cardboard bond length of technology is greatly increased, and is transmitted more steady.Even if when cardboard 200 is sent to another group from one group of printing element
During printing element, cardboard 200 also still has enough contact lengths between vacuum tank 107 in a forward direction, so as to there is foot
Enough adsorption areas, and then increase absorption affinity of the vacuum tank 107 to cardboard 200, it is ensured that cardboard 200 is transmitted steadily, is not in
Skew on position.Operational verification is put into practice by substantial amounts of, the present invention does not influence the printing quality of cardboard 200, Er Qieyou not only
It is more steady in transmission, reach the effect for improving trapping printing precision and set color stability.
As shown in Fig. 2 in the present embodiment, the short side of the distance between wallboard 101 of the both sides and printed cardboard
Length matches, that is, the horizontal width for printing entrance 103 matches with the bond length of printed cardboard, can be straight during printing
Connect and the short side of cardboard is directed at the printing entrance 103 of printing machine and entered, without spending the more time to position cardboard,
Greatly improve the efficiency of cardboard printing.
Because the axial length of print roller 105 matches with the bond length of printed cardboard, i.e., compared to existing technology
The axial length of print roller 105 is shortened, and printing plate 106 is suspended in print roller 105.To avoid the part-structure of printing plate 106
It is hanging in print roller 105, therefore in the present embodiment, the axial length of the printing plate 106 is not more than the short of printed cardboard
Edge lengths, that is, the no more than axial length of print roller 105, that is, need equally to shorten the axial length of printing plate 106.
In the present embodiment, the axial length of the roller platen 109 and the axial length of transmission wheel 108 with it is printed
The bond length of cardboard matches.Enter due to the short side of cardboard is aligned into the printing entrance 103 of printing machine, imprinted during transmission
Roller 109 and each transmission wheel 108 only have the contact length of short side with cardboard in the axial direction, therefore in the base of prior art
On plinth, the axial length of roller platen 109 and each transmission wheel 108 can be shortened, be matched with the bond length with cardboard.
The present invention also provides a kind of printing process of above-mentioned carton press simultaneously, comprises the following steps：By the short of cardboard
Edge lengths alignment printing entrance enters, and is adsorbed by vacuum tank into back cardboard and utilize transmission wheel to transmit, will print by roller platen
Imprint patterns in version are to paperboard surface.
In the present embodiment, the specification of printed cardboard be selected from 300 × 600mm, 700 × 1800mm, 800 × 1600mm,
900×2000mm、900×2400mm、1200×2400mm、1200×2800mm、1300×2100mm、1600×2100mm、
1600×2400mm、1600×2800mm、1600×3200mm、2200×3600mm.Certainly, in other embodiments, this hair
The printing of the bright cardboard that can also apply to other specifications, only need to meet the radial direction girth of print roller and the length of printed cardboard
Edge lengths match, and the axial length of print roller matches with the bond length of printed cardboard.
Fig. 5 and Fig. 6 show the comparison diagram of prior art and printing effect of the invention.As shown in figure 5, as described above,
Because the printing process of prior art causes that the transmission of cardboard is unstable, printing precision is difficult to ensure that in printed patterns, always
There is certain deviation in direction up and down, cause trapping printing precision and set color stability not enough, do not reach estimated print
Brushing effects.As shown in fig. 6, the present invention increases absorption affinity of the vacuum tank to cardboard so that paper by changing the print direction of cardboard
Plate is more steady in transmit process, so that it is guaranteed that being not easy deviation occur during printed patterns, has reached raising trapping printing precision
With the effect of set color stability.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.It is all this
Any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (6)
1. a kind of wallboard of carton press, including both sides and at least one set of printing element, confession is provided between the wallboard of both sides
The printing entrance that cardboard with side long and short side enters, the printing entrance leads to printing element, and the printing element includes
Print roller, printing plate and vacuum tank, the printing plate is in print roller and is located between print roller and vacuum tank, in the vacuum tank
It is provided with roller platen and transmission wheel, it is characterised in that the edge lengths phase long of the radial direction girth of the print roller and printed cardboard
Matching, the axial length of the print roller matches with the bond length of printed cardboard；Between the wallboard of the both sides
Distance matches with the bond length of printed cardboard, and the short side of cardboard is aligned the printing entrance of printing machine.
2. carton press according to claim 1, it is characterised in that the distance between wallboard of the both sides with printed
The bond length of the cardboard of brush matches.
3. carton press according to claim 1, it is characterised in that the axial length of the printing plate is not more than printed
Cardboard bond length.
4. the carton press according to any one of claims 1 to 3, it is characterised in that the axial length of the roller platen
And bond length of the axial length of transmission wheel with printed cardboard matches.
5. the printing process of the carton press described in a kind of claim 1, it is characterised in that the printing process includes following
Step：The bond length of cardboard alignment printing entrance is entered, is adsorbed by vacuum tank into back cardboard and utilize transmission wheel transmission,
By roller platen by the imprint patterns on printing plate to paperboard surface.
6. printing process according to claim 5, it is characterised in that the specification of printed cardboard be selected from 300 ×
600mm、700×1800mm、800×1600mm、900×2000mm、900×2400mm、1200×2400mm、1200×
2800mm、1300×2100mm、1600×2100mm、1600×2400mm、1600×2800mm、1600×3200mm、2200
×3600mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410254650.9A CN104044335B (en) | 2014-06-10 | 2014-06-10 | Carton printing machine and printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410254650.9A CN104044335B (en) | 2014-06-10 | 2014-06-10 | Carton printing machine and printing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104044335A CN104044335A (en) | 2014-09-17 |
| CN104044335B true CN104044335B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410254650.9A Active CN104044335B (en) | 2014-06-10 | 2014-06-10 | Carton printing machine and printing method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454228A (en) * | 2018-05-09 | 2018-08-28 | 青岛荣泰包装制品有限公司 | Cardboard box printing device |
| CN109130478A (en) * | 2018-09-07 | 2019-01-04 | 广东东方精工科技股份有限公司 | A kind of carton perfecting press |
| CN109203645A (en) * | 2018-09-07 | 2019-01-15 | 广东东方精工科技股份有限公司 | A kind of vacuum absorption device of printing machine |
| CN112297592B (en) * | 2019-07-31 | 2022-07-26 | 杭州运城制版有限公司 | Secondary overprinting printing roller and plate making process |
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