CN105015156B - Intermittent forward direction leapfrog printing machine and its control method and leapfrog draft gear - Google Patents
Intermittent forward direction leapfrog printing machine and its control method and leapfrog draft gear Download PDFInfo
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- CN105015156B CN105015156B CN201510431962.7A CN201510431962A CN105015156B CN 105015156 B CN105015156 B CN 105015156B CN 201510431962 A CN201510431962 A CN 201510431962A CN 105015156 B CN105015156 B CN 105015156B
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Abstract
The present invention relates to a kind of intermittent positive leapfrog printing machine and its control method and leapfrog draft gears, the printing machine includes paper feed leapfrog dragger, paper delivery leapfrog dragger and the two groups of red ink paste used for seals groups in rack, wherein, two groups of red ink paste used for seals groups are located between paper feed leapfrog dragger and paper delivery leapfrog dragger, centre-to-centre spacing between two groups of red ink paste used for seals groups is L, and the single print couples of L=are repeated print the odd-multiple of pattern width length:The every paper feeding length S=V for turning a cycle of printing plate1×T1+V2×T2.It using the present invention, completes in a leapfrog and prints twice, print speed printing speed is doubled than the batch process of traditional retrusive paper feed, and can realize the multiplication of print repeat length range.
Description
Technical field
The present invention relates to printing equipment technical fields, and in particular to a kind of intermittent positive leapfrog printing machine and its controlling party
Method further relates to a kind of leapfrog draft gear.
Background technology
As people are to the printing precision of printed matter such as pressure-sensitive adhesive trade mark, liquid type wine-type packing box (such as drinks) etc.
It is required that raising, intermittent web press have become high-precision, low cost printing important means and approach.It is than it
He has higher printing precision, lower plate-making expense, and more flexible adaptability is by numerous printings by web press
The favor of enterprise.
In above-mentioned existing intermittent printing technology, it is typically employed to intermittent feeding, again the feeding side of a little batch turning
Formula, referring to Fig. 2, why using this feeding style, mainly since the PS offset plates 20 in red ink paste used for seals group are wrapped around printing
On roller 30, the PS offset plates that wrap up on a printing cylinder be secured by it mode determine its certainly existed neutral gear notch without
It can wrap completely full using roll surface.As shown in Fig. 2, A is Printing Zone, B is non-printing district.In order to reduce the notch of PS offset plates to the greatest extent
The waste of white space is caused at position on paper, and the technological means used at present is needed during paper feeding,
The back a little batch turning for formula of having a rest, to realize the compensation to notch blank.Obviously, using another problem caused by this method
It is that back a little batch turning is needed continually during printing paper feeding.Print speed printing speed certainly will be reduced in this way, while
The abrasion of rotary printer is accelerated, reduces the service life of rotary printer.
Have again when user will realize the substantially printing of long living-article, since the limitation of roller perimeter is by larger limitation,
The size of unlimited increase roller is unpractical in technology and equipment cost.
Above-mentioned intermittent feeding, the again paper feeding of the batch type printing machine of a little batch turning can be changed not yet both at home and abroad at present
Device and paper conveying method.
Invention content
The purpose of the present invention is to overcome the defects in the prior art, realize print repeat length range multiplication and
The multiplication of formula of having a rest print speed printing speed.
To achieve the above object, this hair provides a kind of intermittent positive leapfrog printing machine, uses the intermittent positive leapfrog
The conveyer of printing machine and the printing machine using the conveyer and a kind of intermittent positive Jump control method.
Technical scheme is as follows:
A kind of intermittent positive leapfrog printing machine, including:Paper feed leapfrog dragger, paper delivery leapfrog dragger and two groups of prints
Colour cell, they are incorporated into rack, wherein, two groups of red ink paste used for seals groups are located between paper feed leapfrog dragger and paper delivery leapfrog dragger,
The single print couples of centre-to-centre spacing L=between two groups of adjacent red ink paste used for seals groups repeat print pattern width length odd-multiple
Paper feeding length in each print cycle:S=V1×T1+V2×T2;In formula;
V1The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of Printing Zone;
T1The printing cylinder of=red ink paste used for seals group turns over paper in the range of Printing Zone and advances the time used;
V2The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of non-printing district;
T2The printing cylinder of=red ink paste used for seals group turns over paper in the range of non-printing district and advances the time used.
In above-mentioned intermittent positive leapfrog printing machine, the paper feed leapfrog dragger is distinguished with paper delivery leapfrog dragger
It is symmetrically disposed in the both sides of rack and synchronous operation.
Wherein, to meet S=V1×T1+V2×T2, the V2With V1It can be equal;Alternatively, the V2With V1It can not also phase
Deng.
In above-mentioned intermittent positive leapfrog printing machine, the paper feed leapfrog dragger is distinguished with paper delivery leapfrog dragger
Including the active carry-over pinch rolls that are arranged in pairs and from traction rod, the output axis connection of active carry-over pinch rolls and stepper motor.
In above-mentioned intermittent positive leapfrog printing machine, led in the front end of the paper feed leapfrog dragger and paper delivery leapfrog
The rear end for drawing machine is respectively equipped with strainer, and the strainer is arranged on before paper feed leapfrog dragger and paper delivery leapfrog
After dragger, the strainer includes a pair of of the backing roll being arranged in rack, is equipped between the pair of backing roll
Counterweight roller, the both ends of the counterweight roller are respectively equipped with sliding block, and the sliding block is slidably matched with the sliding slot being arranged in rack.
The present invention also provides a kind of intermittent positive Jump control method, the intermittent positive Jump control method is
Using two groups of red ink paste used for seals groups, paper is made to turn over Printing Zone in the printing cylinder of red ink paste used for seals group and is received in the period of printing by speed V1Row
Into paper turns over non-printing district in the printing cylinder of red ink paste used for seals group and do not receive in the period of printing by speed V2It advances, passes through control
Program controls V2、V1, the rotating speed of printing cylinder remains unchanged in entire printing process;Wherein, the gait of march of paper is to pass through
The paper feed leapfrog dragger for being separately positioned on two groups of red ink paste used for seals group both sides and synchronous operation draws machine travel with paper delivery leapfrog.
In above-mentioned intermittent positive Jump control method, the printed patterns adhered on the printing cylinder of two red ink paste used for seals groups are
Identical pattern or to differ but having successional pattern.
The present invention also provides a kind of leapfrog draft gear, including being arranged on the paper feed leapfrog run simultaneously in rack traction
Machine, paper delivery leapfrog dragger, paper feed leapfrog dragger control paper respectively with V with paper delivery leapfrog dragger by control unit1
Speed and V2Speed alternately travels, and paper is with V1Speed advances to the second setting position by the first setting position, then with V2Speed by
Second setting position advances to third setting position, and paper is with V1Time T used in speed traveling1For the working time, paper is with V2Speed
Time T used in degree traveling2For the quick feeding time, described control unit for exporting control signal, draw by the paper feed leapfrog
Machine receives the control signal driving paper feeding executing agency with the driving motor in paper delivery leapfrog dragger.Wherein, V2Not necessarily
Equal to V1, i.e. V2V can be equal to1Or V2Not equal to V1。
The present invention is using by two groups of red ink paste used for seals group continuous printings, and after one group of red ink paste used for seals group prints a width pattern, i.e., roller turns
It crosses after being enclosed with the Printing Zone of PS editions, accelerates the feeding speed of paper by haulage gear, paper is made to be turned in roller and is not wrapped
After wrapping up in the Printing Zone of PS editions, the starting end position that PS version printings area is enclosed on the roller of next red ink paste used for seals group is just reached.Therefore,
The present invention can not need in feeding process is printed refund paper backward.It can both eliminate so non-printing on printing cylinder
Paper waste is eliminated, and need not frequently refund one a little in feeding process is printed in the gap that area leaves on paper
Point, but employ and accelerate forward feeding style.Print speed printing speed is not only improved, but also reduce power using this feeding style
The pressure of system.It simultaneously can also be by close, continuous, the traceless continuous printing of two width patterns on paper.The present invention
The intermittent positive leapfrog printing machine and its control method realize the multiplication of print repeat length range and intermittent print
The multiplication of brush speed.
In addition, by using the intermittent positive leapfrog printing machine carried in the present invention, leading in conveyer can be made
Gravitation more balances.That is, by after paper feed dragger with before paper delivery dragger, distinguishing in paper feed side and paper delivery side both sides
Equipped with paper feed leapfrog dragger and paper delivery leapfrog dragger so that the tractive force at print couple both ends keeps balance, so as to
For the printing of the printing of various sizes paper, particularly wide cut paper.
It, can be in the side such as print speed printing speed, repeat length, equipment cost, mechanical life by using the printing machine of the present invention
It realizes and is substantially improved in face.
Description of the drawings
Fig. 1 is the structure diagram of the intermittent positive leapfrog printing machine of the present invention;
Fig. 2 is that the PS offset plates that the prior art uses are wrapped up on a printing cylinder with schematic diagram jaggy.
In Fig. 1:1st, unreeling machine;2nd, paper feed dragger, 3, preceding tensioning apparatus;4th, paper feed leapfrog dragger;5th, red ink paste used for seals group;6、
Paper delivery leapfrog dragger;7th, post-tensioning device;8th, paper delivery dragger;9th, winder;10th, rack.
Specific embodiment
Illustrate each preferred embodiment of the present invention with reference to the accompanying drawings.It should be noted that following explanation is only for taking off
Show the principle of the present invention, be not intended to restrict the invention.
The present invention adjusts printing gap to meet no blank print request traditional method for the prior art using " rebound "
Complexity it is inefficient, creativeness proposes " positive front jumping ", essential improvement is done to traditional continuous printing production line, realizes big
Width provides the technique effect of utilization rate of equipment and installations and printing efficiency.
As shown in Figure 1:It is related to a kind of intermittent positive leapfrog printing machine, including unreeling machine 1, the paper feed set gradually
Dragger 2, preceding tensioning apparatus 3,4, two groups of red ink paste used for seals groups 5 of paper feed leapfrog dragger, paper delivery leapfrog dragger 6, post-tensioning device 7,
Paper delivery dragger 8 and winder 9, above device are installed in rack 10.
In Fig. 1, two groups of red ink paste used for seals groups 5 are located between paper feed leapfrog dragger 4 and paper delivery leapfrog dragger 6, adjacent
Centre-to-centre spacing between two groups of red ink paste used for seals groups 5 is L, is enabled
The single print couples of L=repeat print pattern width length odd-multiple
Paper feeding length in each print cycle:S=V1×T1+V2×T2;Wherein:V2Need not be equal to V1, in formula;
V1The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of Printing Zone;
T1The printing cylinder of=red ink paste used for seals group turns over paper in the range of Printing Zone and advances the time used;
V2The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of non-printing district;
T2The printing cylinder of=red ink paste used for seals group turns over paper in the range of non-printing district and advances the time used;
The single print couples of S=2* pattern width of repeating print is long.
Wherein:As long as meet S=V1×T1+V2×T2, V2Need not be equal to V1。
The structure and working method of the intermittent positive leapfrog printing machine is specifically described below.
Typically, since the PS offset plates in print couple 5 are wrapped on roller, and the offset plate generally not occupies
The week of entire roller is long, so, during printing, if paper gives forward always, will between two adjacent printed patterns shape
Into " blank seam " (blank sheet of paper part).
This invention is intended to reduce the joint gap (width of blank sheet of paper part) until between the two neighboring pattern of elimination to the greatest extent,
To use paper to the maximum extent, paper waste is reduced.For this purpose, the present invention utilizes the intermittent positive leapfrog printing machine, and
In feeding process, after a pattern (as soon as width) is often printed, paper is allowed to accelerate feeding forward, accelerate feeding institute forward
Time should be equal to the printing cylinder time used when turning over non-printed areas.Accelerate forward the speed of feeding with it is above-mentioned
Accelerate the product of time used in feeding forward, along with printing cylinder in the arc length for turning over printing zone should be equal to two print couples
The distance between center line.Certainly, feeding need not just be further accelerated later by having printed last width printed patterns.This paper is sent
The mode of material, i.e., positive intermittent feeding can realize the compensation to PS editions seams, eliminate the width of the blank sheet of paper between two patterns
Degree, economizes on paper, and can significantly improve citation speed.That is, during printing, the intermittent leapfrog machine of forward direction paper feeding forward
When for normal printing rotating speed, but print after a width pattern the i.e. hauling speed of acceleration paper, paper quickly pulled forward
A part, rotating speed when then switching to normally print again, so being referred to as " intermittent forward direction leapfrog traction ".Paper is in feeding process
The specific control mode of medium velocity is to control paper feed leapfrog dragger 4 and the drive in paper delivery leapfrog dragger 6 by control system
Dynamic servo motor is realized.
In order to ensure the drawing dynamic balance suffered by the paper printed in red ink paste used for seals group, the paper feed leapfrog dragger 4 with
Paper delivery leapfrog dragger 6 respectively symmetrically is arranged on the both sides of rack 10, and runs simultaneously.
The problem of in order to ensure that paper feeding process is steady, be less prone to sideslip, the paper feed leapfrog dragger 4 and paper delivery
Leapfrog dragger 6 respectively include the active carry-over pinch rolls being arranged in pairs and from traction rod, the output of active carry-over pinch rolls and stepper motor
Axis connection.
Paper is during feeding relax the problem of in order to prevent, the front end of the paper feed leapfrog dragger with
And the rear end of paper delivery leapfrog dragger is respectively equipped with strainer 3,7, the strainer be arranged on paper feed leapfrog dragger 4 it
Before and paper delivery leapfrog dragger 6 after, the strainer 3,7 includes being arranged on a pair of of backing roll in rack 10, in institute
It states and counterweight roller is equipped between a pair of of backing roll, the both ends of the counterweight roller are respectively equipped with sliding block, the sliding block and are arranged on rack
Sliding slot on 10 is slidably matched.Wherein sliding block can ensure that counterweight roller will not fall off or swing with sliding groove structure.
As described above, by the intermittent positive jumping device being arranged between paper feed dragger 2 and print couple 5, it can
To accelerate the previous feeding of paper for sending out paper feed dragger 2, specifically, paper feed leapfrog dragger 4 and paper delivery leapfrog dragger 6
It is mainly used for the speed that paper is sent out in control, and strainer 3,7 is used for the state for keeping paper always in tensioning.
It is printed in order to install in paper sheet delivery to red ink paste used for seals group 5 over the mount 10, the paper feed dragger 2
Including a pair of driven voller is drawn in the paper feed being arranged above and below traction main drive roll and a pair of of paper feed.The paper feed draws main drive roll
And paper feed traction driven voller is installed between symmetrically arranged two pieces of front wallboards.One end of paper feed traction main drive roll therein can
To install independent driving motor, paper feed traction main drive roll can also be imparted power to by transmission mechanism.
Paper feed draws main drive roll during intermittent positive jumping device accelerates the action of conveying paper, stops synchronous
Charging traction drive or the acceleration traction also synchronized.Preferred technical solution is that can be installed in one end of main drive roll
Independent servo motor.
In order to which in the paper sheet delivery to rack-mount winder 9 after red ink paste used for seals group 5 is printed, the paper delivery is led
Draw machine 8 and also include a pair of being in that the paper delivery traction main drive roll being arranged above and below draws driven voller, the main drive of paper delivery traction with a pair of of paper delivery
Dynamic roller and paper delivery traction driven voller are installed between symmetrically arranged two pieces of rear wall plates.The one of paper delivery traction main drive roll therein
End can install independent driving motor, and paper delivery traction main drive roll can also be imparted power to by driver.
Paper delivery draws main drive roll during intermittent positive jumping device accelerates the action of paper, stops discharging by synchronous
Traction drive or the acceleration traction also synchronized.Preferred technical solution is that can install independence in one end of main drive roll
Servo motor.
Unreeling machine 1 can be stent in Fig. 1, and paper is supported directly on by the center spool of reel on stent, stent
The runing rest for being conveniently replaceable paper can be selected.Under the traction of paper feed dragger 2, paper is sent into print couple and is printed
Brush.Drying unit (not shown) can be set in red ink paste used for seals group 5.
Winder 9 may include stent, and paper is rack-mount by drum center spool, one end of center spool and receipts
Driving machine connection is rolled up, by winding driving machine by rolling of paper on reel, the rotation branch for being conveniently replaceable paper can be selected in stent
Support.
Therefore by set the present invention intermittent positive jumping device, it can be achieved that positive intermittent feeding and
Paper is allowed to accelerate feeding, so as to economize on paper and significantly increase printing efficiency.
In addition, the intermittent positive jumping device of the conveyer of the present invention, due to being provided with strainer, can realize
The steady and centering feeding of paper, and prevent sideslip of the paper in feeding process.
Here, printed base material can also be other common printing elements, such as cloth, plastics other than paper
Plate etc. refers to any base material to be printed with paper herein.
The invention further relates to a kind of intermittent positive Jump control method, the intermittent positive Jump control method can adopt
With two groups of red ink paste used for seals groups, paper is made to turn over Printing Zone in the printing cylinder of red ink paste used for seals group and is received in the period of printing by speed V1It advances,
Paper turns over non-printing district in the printing cylinder of red ink paste used for seals group and does not receive in the period of printing by speed V2It advances, by controlling program
Control V2、V1, the rotating speed of printing cylinder remains unchanged in entire printing process;Wherein, the gait of march of paper is to pass through difference
The paper feed leapfrog dragger for being arranged on two groups of red ink paste used for seals group both sides and synchronous operation draws machine travel with paper delivery leapfrog.With this side
Method can increase the gap between two adjacent groups red ink paste used for seals group, not only improve the installation of printing auxiliary equipment in this way, more main
It is that can improve print speed printing speed, and the structure of printing machine paper transport device can be simplified.
In order to which printing machine is enable to print the pattern of more large format width, adhere on the printing cylinder of adjacent two red ink paste used for seals group
Printed patterns is identical patterns or are two kinds of different patterns, the pattern of even twice original pattern.This printer
Skill can only realize that effect can reach pattern and be completely embedded, even on the printing machine equipped with red ink paste used for seals group more than two
Continuous property is good, seamless trace.
The invention further relates to a kind of leapfrog draft gear, including being arranged on the paper feed leapfrog run simultaneously in rack 10 traction
Machine 4, paper delivery leapfrog dragger 6, paper feed leapfrog dragger 4 pass through control unit (not shown) control with paper delivery leapfrog dragger 6
Paper processed is respectively with V1Speed and V2Speed alternately travels, and paper is with V1Speed advances to the second setting position by the first setting position
It puts, then with V2Speed advances to third setting position by the second setting position, and paper is with V1Time T used in speed traveling1For work
Time, paper is with V2Time T used in speed traveling2For quick feeding time, wherein V2>V1, described control unit is for output control
Signal processed, the paper feed leapfrog dragger 4 receive the control signal driving with the driving motor in paper delivery leapfrog dragger 6 and send
Paper executing agency.
From above-described embodiment as it can be seen that the working method of the present invention is:
Paper on reel is supported on by roll support breast roll on stent, roll support breast roll and support
Between bearing is installed, the runing rest for being conveniently replaceable paper can be selected in stent, and above structure forms unreeling machine 1.
After paper is released by unreeling machine 1, under the traction of paper feed dragger 2, paper passes through by preceding tensioning apparatus 3, then passes through
The intermittent positive jumping device being made of 4, two groups of red ink paste used for seals groups 5 (1) of paper feed leapfrog dragger, 5 (2) paper delivery leapfrog draggers 6,
Then again through post-tensioning device 7, under the traction of paper delivery dragger 8, printing is withdrawn after finally being printed by winder 9.
Wherein intermittent positive jumping device is for controlling the normal paper feeding of paper being sent into red ink paste used for seals group 5, intermittently quick paper feeding.
Its control mode is, using paper feed leapfrog dragger 4 and paper delivery leapfrog dragger 6, by controlling program control driving servo electricity
The rotating speed of machine.
The both sides that 4 machines respectively symmetrically are arranged on rack 10 with paper delivery leapfrog 6 machines of traction, and synchronous fortune are drawn in paper feed leapfrog
Row.Paper feed leapfrog dragger 4 draws 6 machines with paper delivery leapfrog and respectively includes the active carry-over pinch rolls being arranged in pairs and from traction rod, main
Dynamic carry-over pinch rolls are driven by stepper motor, in general, the output axis connection of active carry-over pinch rolls and stepper motor.
Red ink paste used for seals group 5 can be the offset printings units such as 4 colors, 6 colors.Can drying unit be set between the offset printing roller of print couple
(not shown).
Form when being respectively arranged with paper feed leapfrog dragger 4 and paper delivery leapfrog dragger 6 before and after red ink paste used for seals group 5 it is symmetrical just
To intermittent traction.Thus it generates and pulling force is tensioned to the balance for operating in paper between red ink paste used for seals group 5, balance tensioning pulling force is to protect
Demonstrate,prove wide cut paper chromatography accurately basic premise in print couple.
In this way compared with traditional batch type printing machine, the present invention (unit of forme cylinder is returned and turned around) in a leapfrog,
In Printing Zone paper gait of march V1With traveling time T1Product, in addition in non-printing district paper gait of march V2During with advancing
Between T2Product.Especially by under control program control, make V2Need not be equal to V1, the printing cylinder in entire printing process
Rotating speed remain unchanged, and the gait of march of paper be by be separately positioned on two groups of red ink paste used for seals group both sides and synchronous operation paper feed
Leapfrog dragger is realized with paper delivery leapfrog traction machine travel.Therefore, the present invention has simple in structure, can exponentially improve printing speed
Degree;The protrusion effect of expansion print repeat length that can be at double.
In conclusion the present invention realizes two big breakthroughs and sexually revises:
--- half can be respectively printed with two groups of galleys, the pattern that 2 times of single printing width length are completed in splicing realizes printing
The multiplication of repeat length range;
--- when two colour cells install identical printing plate, it is equal to complete in a leapfrog and prints twice, print speed printing speed
Batch process than traditional retrusive paper feed is doubled.
The present invention is illustrated above by the mode of embodiment, but the present invention is not limited to the above embodiment, this field skills
Art personnel made to any conspicuously improved of the above embodiment or change, be intended to be included in the present invention structure
Think in the protection domain with appended claims.
Claims (10)
1. a kind of intermittent positive leapfrog printing machine, which is characterized in that including:
Paper feed leapfrog dragger, paper delivery leapfrog dragger and two groups of red ink paste used for seals groups in rack, wherein,
Two groups of red ink paste used for seals groups are located between paper feed leapfrog dragger and paper delivery leapfrog dragger, the center between two groups of red ink paste used for seals groups
Away from for L, the single red ink paste used for seals groups of L=are repeated print the odd-multiple of pattern width length:
The every paper feeding length S=V for turning a cycle of printing plate1×T1+V2×T2;In formula:
V1The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of Printing Zone;
T1The printing cylinder of=red ink paste used for seals group turns over paper in the range of Printing Zone and advances the time used;
V2The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of non-printing district;
T2The printing cylinder of=red ink paste used for seals group turns over paper in the range of non-printing district and advances the time used;
The single red ink paste used for seals groups of S=2* pattern width of repeating print is long.
2. intermittent positive leapfrog printing machine as described in claim 1, wherein, the paper feed leapfrog dragger and paper delivery leapfrog
Dragger respectively symmetrically is arranged on the both sides of rack, and runs simultaneously.
3. intermittent positive leapfrog printing machine as claimed in claim 1 or 2, wherein, the paper feed leapfrog dragger and paper delivery
Leapfrog dragger respectively includes:The active carry-over pinch rolls that are arranged in pairs and from traction rod, wherein, active carry-over pinch rolls are driven by stepper motor
It is dynamic.
4. intermittent positive leapfrog printing machine as claimed in claim 3, wherein, the front end of the paper feed leapfrog dragger with
And the rear end of paper delivery leapfrog dragger, strainer is respectively equipped with, the strainer includes being arranged on a pair of of branch in rack
Runner is equipped with counterweight roller between the pair of backing roll, and the both ends of the counterweight roller are respectively equipped with sliding block, and the sliding block is with setting
The sliding slot put in rack is slidably matched.
5. intermittent positive leapfrog printing machine as claimed in claim 3, which is characterized in that further include and be arranged on two groups of red ink paste used for seals groups
Between drying unit.
6. intermittent positive leapfrog printing machine as claimed in claim 3, which is characterized in that the V2With V1It is equal, alternatively, institute
State V2With V1It is unequal.
7. a kind of intermittent positive Jump control method, which is characterized in that
Two groups of red ink paste used for seals groups are set, and control paper turns over Printing Zone in the printing cylinder of red ink paste used for seals group and receives in the period of printing by speed
V1It advances;
Control paper turns over non-printing district in the printing cylinder of red ink paste used for seals group and does not receive in the period of printing by speed V2It advances, and leads to
Cross control program control V2And V1, remain unchanged the rotating speed of printing cylinder in entire printing process;Wherein,
The gait of march of paper be by be separately positioned on two groups of red ink paste used for seals group both sides and synchronous operation paper feed leapfrog dragger with
Paper delivery leapfrog dragger is drawn, and centre-to-centre spacing L between two groups of red ink paste used for seals groups is enabled to repeat print pattern width equal to single red ink paste used for seals group
Long odd-multiple;
Paper feeding length S=V in each period1×T1+V2×T2;In formula:
V1The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of Printing Zone;
T1The printing cylinder of=red ink paste used for seals group turns over paper in the range of Printing Zone and advances the time used;
V2The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of non-printing district;
T2The printing cylinder of=red ink paste used for seals group turns over paper in the range of non-printing district and advances the time used;
And the single red ink paste used for seals groups of S=2* pattern width of repeating print is long.
8. intermittent positive Jump control method as claimed in claim 7, wherein, it is installed on the printing cylinder of two groups of red ink paste used for seals groups
Printed patterns be the printing plate of identical patterns or be the different printing plate of pattern.
9. intermittent positive Jump control method as claimed in claim 7 or 8, wherein, the V2With V1It is equal, alternatively, described
V2With V1It is unequal.
10. a kind of leapfrog draft gear, which is characterized in that including:
It is arranged on the paper feed leapfrog dragger run simultaneously in rack, paper delivery leapfrog dragger, paper feed leapfrog dragger and paper delivery
Leapfrog dragger controls paper respectively with V by control unit1Speed and V2Speed alternately travels, and paper is with V1Speed is by first
Setting position advances to the second setting position, then with V2Speed advances to third setting position by the second setting position, and paper is with V1
Time T used in speed traveling1For the working time, paper is with V2Time T used in speed traveling2For quick feeding time, two groups of red ink paste used for seals
Centre-to-centre spacing L between group is equal to:Single red ink paste used for seals group repeat print pattern width length odd-multiple;
Paper feeding length S=V in each period1×T1+V2×T2;In formula:
V1The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of Printing Zone;
T1The printing cylinder of=red ink paste used for seals group turns over paper in the range of Printing Zone and advances the time used;
V2The printing cylinder of=red ink paste used for seals group turns over the speed that paper is advanced in the range of non-printing district;
T2The printing cylinder of=red ink paste used for seals group turns over paper in the range of non-printing district and advances the time used;
The paper feed leapfrog dragger receives the control signal driving paper feeding with the driving motor in paper delivery leapfrog dragger and holds
Row mechanism realizes that the single red ink paste used for seals groups of S=2* pattern width of repeating print is long.
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CN201510431962.7A CN105015156B (en) | 2015-07-22 | 2015-07-22 | Intermittent forward direction leapfrog printing machine and its control method and leapfrog draft gear |
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CN201510431962.7A CN105015156B (en) | 2015-07-22 | 2015-07-22 | Intermittent forward direction leapfrog printing machine and its control method and leapfrog draft gear |
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CN105015156B true CN105015156B (en) | 2018-06-26 |
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