CN108237763A - For the two-way doctor blade device of textile printing machine - Google Patents
For the two-way doctor blade device of textile printing machine Download PDFInfo
- Publication number
- CN108237763A CN108237763A CN201611223326.6A CN201611223326A CN108237763A CN 108237763 A CN108237763 A CN 108237763A CN 201611223326 A CN201611223326 A CN 201611223326A CN 108237763 A CN108237763 A CN 108237763A
- Authority
- CN
- China
- Prior art keywords
- scraper
- blade device
- doctor blade
- roller
- way
- 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
- 238000007639 printing Methods 0.000 title claims abstract description 50
- 239000004753 textile Substances 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000000712 assembly Effects 0.000 claims abstract description 51
- 238000000429 assembly Methods 0.000 claims abstract description 51
- 230000001105 regulatory effect Effects 0.000 claims abstract description 26
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 2
- 238000007774 anilox coating Methods 0.000 description 7
- 239000003566 sealing material Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000009955 starching Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000010023 transfer printing Methods 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010020 roller printing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/08—Wiping mechanisms
- B41F9/10—Doctors, scrapers, or like devices
- B41F9/1081—Doctors, scrapers, or like devices using two or more blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
- B41F35/04—Cleaning arrangements or devices for inking rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/08—Wiping mechanisms
- B41F9/10—Doctors, scrapers, or like devices
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The present invention provides a kind of two-way doctor blade device for textile printing machine, the two-way doctor blade device includes：Doctor assemblies, the doctor assemblies include knife rest, two scrapers and corresponding scraper pressing plate, the knife rest has groove, described two scrapers are mounted obliquely within opening both sides of the groove and extendable in the longitudinal direction in a manner that point of a knife is opposite, and the scraper pressing plate is used to the scraper being pressed on the knife rest；End part seal component is used to seal two longitudinal ends of the doctor assemblies；Shift mechanism is used to make doctor assemblies pivot movement between operating position and off-position, and the shift mechanism has pivotable member；And regulating mechanism, the regulating mechanism is for the contact when doctor assemblies are in the operating position between adjusting scraper and roller.The present invention also provides a kind of textile printing machines for including the two-way doctor blade device.
Description
Technical field
The present invention relates to a kind of two-way doctor blade devices for textile printing machine.Include the invention further relates to one kind described double
To the textile printing machine of doctor blade device.
Background technology
Dyeing and printing process and mechanical class are numerous, product variety is extensive.Current main printing technology has screen printing, roller
Stamp, table printing, transfer printing and digital ink-jet printed etc., corresponding equipment is mainly circular screen printer, PLATE SCREAM PRINTING
Machine, roller printing machine, platen printing machine, transfer printing machine, code ink jet printing machine etc..
Printing machine generally includes inking or quetsch, for being carried out to printing plate cylinder or applicator roll (or anilox roll)
Ink or starching.Traditional inking or quetsch generally includes roller, scraper and liquid bath etc..The lower half circle of roller is dipped in liquid bath, liquid
Ink or slurries in slot are coated to the surface of roller with the rotation of roller.Scraper is usually single scraper, more on roller for scraping off
Residual ink water or slurries.This inking or quetsch are properly termed as open inking or quetsch, and the scraper used can claim
For open single scraper.
There are scraping fluid is uneven, is easily produced between scraper and roller for traditional inking or quetsch using open single scraper
Raw hydrops and there are the problems such as raffinate trickling.
In addition, since liquid bath is open, also there is following defects：1) amount of evaporating in liquid bath is big, leads to
Crossing exhaust blower exhausting can accelerate the air around printing element to flow, and be smoothly transferred to so that liquid is easily deposited without method
On printable fabric；2) liquid largely volatilizees, if supplementing not in time, can change the viscosity of liquid；3) liquid is easily by environment temperature
It influences, so that press quality is not sufficiently stable.
Moreover, the doctor blade device of the prior art cannot fine-tune the contact between scraper and roller.Therefore,
On the one hand may be too small due to contact and cause of low quality to liquid, on the other hand may be made since contact is excessive
Into the abrasion of roller surface.
Invention content
It is described two-way to scrape in consideration of it, the present invention provides a kind of novel two-way doctor blade device for textile printing machine
Knife system can be used in solving above-mentioned technical problem.
The two-way doctor blade device for textile printing machine includes：Doctor assemblies, the doctor assemblies include knife rest, two
A scraper and corresponding scraper pressing plate, the knife rest extend longitudinally, and the knife rest has groove in the side towards roller,
The groove forms the space of liquid for accommodating and being supplied to the roller, described two scrapers in a manner that point of a knife is opposite obliquely
Mounted on horizontal direction both sides of the opening of the groove and extendable in the longitudinal direction, the scraper pressing plate by described for scraping
Knife is pressed on the knife rest；End part seal component, the end part seal component are placed at two longitudinal ends of the knife rest,
For sealing the two of the doctor assemblies longitudinal ends；Shift mechanism, the shift mechanism has pivotable member, for making
Doctor assemblies pivot movement between operating position and off-position is stated, wherein, in the operating position, the scraper pressure
It leans against on roller, and roller surface and end part seal component one between two scrapers and the two scrapers of the doctor assemblies
It rises and forms enclosed liquid containing chamber, in the off-position, the doctor assemblies are detached with the roller；With the machine of adjusting
Structure, the regulating mechanism is for the contact pressure when doctor assemblies are in the operating position between adjusting scraper and the roller
Power.
Preferably, the pivotable member of the shift mechanism is arranged at the lateral first end of the two-way doctor blade device,
The regulating mechanism is arranged at the lateral the second end opposite with the lateral first end.
Preferably, the regulating mechanism includes nut screw mechanism and fixed to the adjustment portion on the doctor assemblies, leads to
The interaction of nut screw mechanism and the adjustment portion is crossed to carry out the adjusting of the contact.
Preferably, the nut screw mechanism includes nut part and adjusting screw rod, and the nut part is fixed to described
On the mounting bracket of two-way doctor blade device, one end of the adjusting screw rod compresses the adjustment portion, wherein, by relative to the spiral shell
Auxiliary assembly screws the adjusting screw rod and it is made to interact with the adjustment portion, so as to make the doctor assemblies relative to described
Roller moves, and then realizes the adjusting of the contact between scraper and roller.
Preferably, the adjusting screw rod direction makes direction of the doctor assemblies far from the roller compress the adjustment portion.
Preferably, the two-way doctor blade device further includes locking mechanism, and the locking mechanism is used to lock the scraper group
The operating position of part.
Preferably, the locking mechanism includes locking nut, the locking nut and the adjusting screw rod thread connection,
Locked position realizes the locking of doctor assemblies operating position.
Preferably, described two scrapers are respectively inverse type scraper and positive formula scraper, wherein, the inverse type scraper is used
In wiping the surplus liquid that is supplied on the roller off, the forward direction formula scraper is for removing the impurity on the roller and carry out close
Envelope.
Preferably, the pivotable member of the shift mechanism is arranged at the lateral first end of the two-way doctor blade device,
The regulating mechanism is arranged at the lateral the second end opposite with the lateral first end, and wherein, the inverse type
Scraper is set close to the lateral first end of the two-way doctor blade device, and the forward direction formula scraper is close to the two-way doctor blade device
Lateral the second end setting.
Preferably, the scraper into contact angle of the inverse type scraper is between 120 ° to 160 °.
Preferably, the scraper into contact angle of the positive formula scraper is between 20 ° to 60 °.
Preferably, scraper edge sharp side has the oblique angle between 20-40 °.
Preferably, the roller is printing plate cylinder, and the scraper edge sharp side is not parallel with the phase section of the printing plate cylinder.
Preferably, the roller is applicator roll or anilox roll, the scraper edge sharp side and the applicator roll or anilox roll
Phase section is parallel.
Preferably, the scraper is made of stainless steel material, and the thickness of the scraper is typically in the range of 0.15 millimeter and arrives
Between 0.20 millimeter.
Preferably, the end part seal component is mounted in the groove of the knife rest in an interference fit.
Preferably, the end part seal component is made of two clamping plates, is disposed between described two clamping plates close
Closure material.
Preferably, the sealing material is polyurethane rubber.
Preferably, the two-way doctor blade device further includes constant-temperature heating system, and the constant-temperature heating system is used for by described in
The temperature of black chamber is maintained between room temperature and 40 degrees Celsius.
The present invention also provides a kind of textile printing machine, the textile printing machine includes two-way scraper dress according to the present invention
It puts.
Compared with existing doctor blade device, two-way doctor blade device of the invention has the advantages that：Due to liquid containing
Chamber completely encloses, and avoids the volatilization of ink or slurries aqueous solvent when in use, stabilizes the coloured light of long-time high-volume stamp
Form and aspect terminate the adjoint bubble-related issues occurred during use；In addition, wiping or scrape slurry uniformly, it is clean, there is no raffinate streams
The problem of dropping down；Liquid circulation in liquid containing chamber is more smooth, can adapt to the production of high speed condition.
In addition, the regulating mechanism of the two-way doctor blade device of the present invention can be when doctor assemblies be in operating position to scraper
Contact between roller is fine-tuned, so as to accurately adjust the contact to desired pressure limit
It is interior；Meanwhile the regulating mechanism number of components is few, simple in structure, not only arranged but also saved into convenient for the structure of two-way doctor blade device
This.
Description of the drawings
With reference to the accompanying drawings and examples to further instruction of the present invention.
Fig. 1 show the two-way doctor blade device according to an embodiment of the invention for textile printing machine schematically just
View.
Fig. 2 shows the side sectional views obtained along the hatching A-A in Fig. 1.
Fig. 3 shows the side sectional view obtained along the hatching B-B in Fig. 1.
Specific embodiment
Below by attached drawing and row illustrative embodiments, technical scheme of the present invention is described in further detail.It needs
It is noted that any technical characteristic and any technical solution in the present embodiment do not limit the scope of the invention,
It is thinkable any equivalent or replace that protection scope of the present invention should not make the creative labor institute including those skilled in the art
Generation technique scheme.
In the present specification, with reference to Fig. 1, the axially extending direction along printing plate cylinder that longitudinal direction refers to, horizontal direction
Refer to the direction perpendicular to the longitudinal direction and in the paper plane residing for Fig. 1, lateral refers to vertically
In the direction of the longitudinal direction and horizontal direction.In addition, top and bottom are only used for representing the opposite position of each component in Fig. 1
It puts, without representing its position in actual use.
For the sake of for convenience, below in an example for being carried out for the two-way doctor blade device of printing plate cylinder
Description, it is to be appreciated that two-way doctor blade device according to the present invention can be used for the roller that other need surface to liquid, such as to fabric
The applicator roll (anilox roll) of starching or wetting transfer damper applicator roller of temporary carrier etc., and details are not described herein.
As shown in Figure 1, according to one embodiment of present invention, two-way doctor blade device 1 of the invention include doctor assemblies 10,
Shift mechanism 20, regulating mechanism 30 and retaining mechanism 40.
Doctor assemblies 10 include 11, two scrapers 12 of knife rest and two scraper pressing plates 13.
As shown in Figure 1, knife rest 11 is extendable in the longitudinal direction.Knife rest 21 has side along longitudinal direction in face of the side of printing plate cylinder
To the groove 14 of extension, it is used to form the accommodation space for accommodating ink.The opening of the groove 14 is rectangular, and landform placed in the middle
Into on knife rest 11.
Described two scrapers 12 are extendable in the longitudinal direction, and are arranged in the both sides of the opening of the groove 14 of knife rest 11.
Specifically, as shown in Fig. 2, described two scrapers 12 are in tilted layout in a manner that point of a knife is opposite, so that the point of a knife of scraper is with spy
Fixed scraper into contact angle is contacted with the surface of printing plate cylinder.Wherein, the scraper into contact angle refer to printing plate cylinder scraper with
Circumference tangential velocity direction and scraper extended line (its length extending direction perpendicular to scraper and edge at printing plate cylinder contact point
From scraper knife spine to the direction of scraper point of a knife extend) angle.
Referring to attached drawing 3, according to the size at scraper into contact angle, it is (or reverse that described two scrapers 12 can be referred to as inverse type
Formula) scraper 121 and positive formula scraper 122.The effect of inverse type scraper 121 is the extra ink wiped off on printing plate cylinder, so as to
Supply ink needed for stamp is provided, and the effect of positive formula scraper 122 is mainly used for sealing and removes the ink of remnants with
The impurity of accumulation.
The scraper into contact angle of inverse type scraper 121 is more than 90 °, in this way, scraper can play the ink on printing plate cylinder
Gouging-scraping action, and ink can apply scraper pressure against on the surface of printing plate cylinder, wiping effect is preferable, and alleviates
The abrasion of scraper and printing plate cylinder.In addition, since inverse type scraper and printing plate cylinder are into obtuse angle, the ink between scraper and roller
It will not accumulate, so that the ink circulation in liquid containing chamber is more smooth.
In an embodiment of the present invention, the scraper into contact angle of positive formula scraper 122 is between 20 ° to 60 °.Preferably,
It the scraper into contact angle of positive formula scraper can be between 30 ° to 50 °.It is highly preferred that the scraper into contact angle of positive formula scraper can
Think 45.
In an embodiment of the present invention, the scraper into contact angle of inverse type scraper 121 is between 120 ° to 160 °.It is preferred that
Ground, the scraper into contact angle of inverse type scraper can be between 130 ° to 150 °.It is highly preferred that the scraper into contact of inverse type scraper
Angle can be 135 °.
At one end that scraper is contacted with printing plate cylinder (i.e. that end of scraper edge), what scraper was extended longitudinally with one
End face, i.e. scraper edge sharp side, the scraper edge sharp side have the oblique angle between 20-40 °.When scraper is applied to printing
During roller, the scraper edge sharp side is not parallel with the phase section of printing plate cylinder, forms the effect that point is scraped or line is scraped in this way, to prevent
Only scrape it is unclean, generate phenomena such as knife silk.(it is applied to coating, starching function when scraper is applied to applicator roll or anilox roll
When), the scraper edge sharp side is parallel with the phase section of applicator roll or anilox roll, so as to the effect that forming face is scraped, so that applying
Cloth or starching are uniform.In this case, the interface width that scraper edge sharp side is formed with applicator roll or anilox roll is generally
1-2mm。
In addition, the scraper can be made of stainless steel material.The thickness of the scraper be typically in the range of 15 to 20 it
Between (between 0.15 millimeter to 0.20 millimeter).
Two scraper pressing plates 13 are respectively used to corresponding scraper 12 being pressed on knife rest 11.In the embodiment of the present invention
In, scraper 12 is pressed on knife rest 11 by scraper pressing plate 13 by screw.
End part seal component 15 is separately installed at two longitudinal ends of knife rest 11.The end part seal component 15 with
The mode of interference fit is mounted in the groove 14 of knife rest 11, is sealed for two longitudinal ends to doctor assemblies.Institute
It states end part seal component 15 and includes two clamping plates 3, sealing material 4 is fixed among described two clamping plates 3.It can pass through
The sealing material is fixed among described two clamping plates by bolted mode.
Traditionally, sealing material uses foam encapsulating material, such as foamed plastics etc..Foam encapsulating material is to determine door width
, there are the defects of short life.In an embodiment of the present invention, sealing material 4 is polyurethane rubber so that sealing material 4
It can be repeatedly used for a long and can adjust the door width of sealing material 4.
According to construction above, when doctor assemblies are pressed against on printing plate cylinder, by between described two scrapers 12
Printing plate cylinder surface, 11 both ends of two scrapers 12, the groove 14 of knife rest 11 and knife rest two end part seal components 15 together
Form the black chamber of closing.
According to an embodiment of the invention, two-way doctor blade device 1 of the invention further includes two and is arranged in doctor assemblies
Shift mechanism 20 at 10 two longitudinal ends, for enabling doctor assemblies 10 by moving pivotally in operating position and non-
It is moved between operating position.Wherein, in the operating position, the scraper is pressed against on the printing plate cylinder, and scraper
Component forms enclosed black chamber together with the printing plate cylinder surface between two scrapers 12；In the off-position,
The doctor assemblies are detached with the printing plate cylinder.
Each shift mechanism 20 includes pivotable member, for making doctor assemblies 10 pivotably in operating position
It is rotated between off-position.In an embodiment of the present invention, the pivotable member is axis and bearing assembly, each bearing group
Part includes bearing 21, bearing holder (housing, cover) 22.In addition, bearing assembly can also include shaft end cover board 23 and boring cover 24.
Bearing assembly is mounted on one end of the first pile crown (axis) 8.The other end of first pile crown 8 be fixed on support plate 6
In the first end (being in Fig. 1 lower end) of horizontal direction.Support plate 6, which is bolted, to be fixed on moveable rack and (does not show
Go out) on.
Pivotable member is connected to the doctor assemblies via connector.In an embodiment of the present invention, on bearing holder (housing, cover) 22
It is fixed with adjustable plate 7.The first end (being in Fig. 1 lower end) in horizontal direction of adjustable plate 7, which is bolted, is fixed on institute
It states on bearing holder (housing, cover) 22.The longitudinal end of the doctor assemblies 10 is fixed to adjustable plate 7 via end plate 2.In this way, realize pivot part
Part to doctor assemblies connection.
The both ends of second pile crown (axis) 9 connect the second end (being in Fig. 1 upper end) in horizontal direction of adjustable plate 7 respectively
With the second end (being in Fig. 1 upper end) in horizontal direction of support plate 6.The second end of the adjustable plate 7 and support plate 6 is distinguished
It is opposite with their first end in horizontal direction.
According to construction above, doctor assemblies 10 can be via adjustable plate 7 and around the pivotable member (bearing assembly)
It pivots, so as to fulfill the movement between operating position and off-position.When doctor assemblies are moved in its operating position,
Doctor assemblies can be fixed in its operating position by various common fixing devices.In an embodiment of the present invention, lead to
It crosses matched threaded hole on fixed screw rod and doctor blade device and rack doctor assemblies are fixed in operating position.
When needing doctor assemblies being moved to off-position from operating position, back out it is described for fixed screw rod, by described
Shift mechanism is pivoted mobile.
According to an embodiment of the invention, two-way doctor blade device 1 of the invention also has there are two regulating mechanism 30, for adjusting
Contact between the scraper and printing plate cylinder of the doctor assemblies 10.Described two regulating mechanisms 30 are located at the scraper respectively
At two longitudinal ends of component 10.In addition, each regulating mechanism 30 is located at and pivotable member place in a lateral direction
The opposite other end in one end, i.e.,：The regulating mechanism 30 is located at the second end in horizontal direction of adjustable plate 7.
As shown in figures 1 and 3, the regulating mechanism 30 includes adjusting screw rod 31 and fixed plate 32.Fixed plate 32 is along longitudinal direction
Direction between support plate 6 and adjustable plate 7, and far from printing plate cylinder side on.The fixed plate 32 is fixed on double
On doctor blade device, such as it is bolted that be fixed on the second end in horizontal direction of adjustable plate 7 (be upper in Fig. 1
End).
Adjusting screw rod 31 along lateral through the second pile crown 9, and with 9 thread connection of the second pile crown.Adjusting screw rod 31
Front end towards the fixed plate 32.
In this way, when needing to adjust the contact between the scraper and printing plate cylinder of doctor assemblies 10, it can be by suitable
Hour hands screw the adjusting screw rod 31 counterclockwise, it is made to be moved along lateral toward and away from fixed plate 32.
For contact between scraper and printing plate cylinder is excessive, at this point, screwing adjusting screw rod 31 makes it along lateral
It is moved towards fixed plate 32 in direction.The front end of adjusting screw rod 31 compresses fixed plate 32, and towards making doctor assemblies far from galley
The direction of roller pushes fixed plate 32.Since fixed plate 32 is fixed on adjustable plate 7, so that adjustable plate 7 is around pivot
Component is pivoted to the direction far from printing plate cylinder.In this way, doctor assemblies 10 due to adjustable plate 7 pivot and to far from printing plate cylinder
Direction movement, so as to reduce the contact between scraper and printing plate cylinder.
The regulating mechanism 30 of the present invention can be used for after doctor assemblies are moved to by shift mechanism in operating position
Contact between scraper and printing plate cylinder fine-tunes.By adjusting screw rod 31 to the pushing of fixed plate 32, simultaneously
With reference to the pivotable member of shift mechanism so that the pivotable member that doctor assemblies can surround shift mechanism carries out Small-angle Rotation,
So as to which the contact of scraper and printing plate cylinder is accurately adjusted in desired pressure limit.
In addition, the regulating mechanism 30 of the present invention is used only 32 two components of adjusting screw rod 31 and fixed plate and combines displacement
The existing pivotable member of mechanism is adjusted.Therefore, regulating mechanism number of components of the invention is few and structure is very simple.This
Sample is avoided using other individually regulating mechanisms of complexity in doctor blade device, so as to both be convenient for the knot of two-way doctor blade device
Structure arrangement saves cost again.
In an embodiment of the present invention, as shown in figure 3, the two-way doctor blade device 1 of the present invention further includes two locking mechanisms
40, for locking the operating position regulated of doctor assemblies.Each locking mechanism 40 includes locking nut 41, locking screw
Handlebar 42 is installed on mother 41.The locking nut 41 is run through by the adjusting screw rod 31, and with 31 screw thread of adjusting screw rod
Connection.The locking nut 41 is located at the side opposite with fixed plate 32 relative to the second pile crown 9.In other words, the locking screw
Mother 41 and fixed plate 32 are located at the both sides of the second pile crown 9 along lateral respectively.
When adjusting screw rod 31 is adjusted to suitable position, the locking nut 41 is rotated by handlebar 42, makes lock
Tight screw thread 41 is tightly against the second pile crown 9, so as to the good operating position of lock adjustment.
Although being not shown in the accompanying drawings, the two-way doctor blade device 1 of the present invention can also include constant-temperature heating system, institute
Constant-temperature heating system is stated for black chamber temperature to be maintained room temperature between 40 degrees Celsius.In this way, can be maintained at ink needs
The temperature wanted avoids influence of the seasonal environment temperature for ink, is conducive to keep the stabilization of press quality.In addition, preheating
Ink it is faster dry after outside air is contacted, so as to adapt to the production of high speed condition.
Although describe the pivotable member and regulating mechanism of longitudinal one end of two-way doctor blade device, this field skill with reference to the accompanying drawings
Art personnel are contemplated that longitudinal other end in the two-way doctor blade device according to the present embodiment can set corresponding pivotable member
And regulating mechanism, details are not described herein.
Although describing the present invention with reference to specific exemplary embodiment, the present invention is not by these exemplary realities
Apply the limitation of example.It will be recognized that those skilled in the art can not depart from the present invention by claims or
These exemplary embodiments are changed and modification in the case of its equivalents limited range and spirit.
Claims (10)
1. a kind of two-way doctor blade device (1) for textile printing machine, the two-way doctor blade device is used to supply liquid to a roller,
The two-way doctor blade device includes：
Doctor assemblies (10), the doctor assemblies include knife rest (11), two scrapers (12) and corresponding scraper pressing plate (13), institute
It states knife rest to extend longitudinally, and the knife rest has groove (14) in the side towards roller, the groove forms that accommodate will be to
The space of the liquid of the roller supply, described two scrapers (12) are mounted obliquely within the groove in a manner that point of a knife is opposite
(14) horizontal direction both sides of opening and extendable in the longitudinal direction, the scraper pressing plate (13) is for by the scraper (12)
It is pressed on the knife rest (13)；
End part seal component (15), the end part seal component is placed at two longitudinal ends of the knife rest, for sealing
State two longitudinal ends of doctor assemblies (10)；
Shift mechanism (20), the shift mechanism have pivotable member, for making the doctor assemblies (10) in operating position and
Pivot movement between off-position, wherein, in the operating position, the scraper (12) is pressed against on roller, and described
Two scrapers (12) of doctor assemblies (10) form envelope together with the roller surface and end part seal component between the two scrapers
The liquid containing chamber of enclosed, in the off-position, the doctor assemblies (10) detach with the roller；With
Regulating mechanism (30), the regulating mechanism are used to adjust scraper and the roller when doctor assemblies are in the operating position
Between contact.
2. two-way doctor blade device (1) as described in claim 1, wherein, the pivotable member of the shift mechanism (20) is arranged on
At the lateral first end of the two-way doctor blade device, the regulating mechanism (30) is arranged on opposite with the lateral first end
Lateral the second end at.
3. two-way doctor blade device (1) as claimed in claim 2, wherein, the regulating mechanism (30) includes nut screw mechanism
With fixed to the adjustment portion (32) on the doctor assemblies (10), pass through the interaction of nut screw mechanism and the adjustment portion
To carry out the adjusting of the contact.
4. two-way doctor blade device (1) as claimed in claim 3, wherein, the nut screw mechanism includes nut part and tune
Screw rod (31) is saved, the nut part is fixed on the mounting bracket of the two-way doctor blade device, and the one of the adjusting screw rod (31)
End compresses the adjustment portion (32),
Wherein, make it mutual with the adjustment portion (32) by screwing the adjusting screw rod (31) relative to the nut part
Effect so as to which the doctor assemblies (10) be made to be moved relative to the roller, and then realizes the contact between scraper and roller
The adjusting of pressure.
5. two-way doctor blade device (1) as claimed in claim 4, wherein, adjusting screw rod (31) direction makes the scraper group
Direction of the part far from the roller compresses the adjustment portion (32).
6. two-way doctor blade device (1) as described in claim 1, further includes locking mechanism (40), the locking mechanism is used to lock
The operating position of the fixed doctor assemblies (10).
7. two-way doctor blade device (1) as claimed in claim 6, wherein, the locking mechanism (40) includes locking nut (41),
The locking nut (41) and the adjusting screw rod (31) thread connection realize the lock of doctor assemblies operating position in locked position
It is fixed.
8. the two-way doctor blade device (1) as described in any one in claim 1-7, wherein, described two scrapers (12) point
Not Wei inverse type scraper and positive formula scraper, wherein, the inverse type scraper is used to wipe the extra liquid being supplied on the roller off
Body, the forward direction formula scraper are used to remove the impurity on the roller and be sealed.
9. two-way doctor blade device (1) as claimed in claim 8, wherein, the pivotable member of the shift mechanism (20) is arranged on
At the lateral first end of the two-way doctor blade device, the regulating mechanism (30) is arranged on opposite with the lateral first end
Lateral the second end at, and wherein, the inverse type scraper is set close to the lateral first end of the two-way doctor blade device
It puts, the forward direction formula scraper is set close to the lateral the second end of the two-way doctor blade device.
10. two-way doctor blade device (1) as claimed in claim 8 or 9, wherein, the scraper into contact angle of the inverse type scraper is situated between
Between 120 ° to 160 °, wherein, the scraper into contact angle is tangential velocity direction of the roller at scraper with roller contact point and scrapes
Angle between extended line of the knife from knife spine to point of a knife.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223326.6A CN108237763B (en) | 2016-12-27 | 2016-12-27 | Bidirectional scraper device for textile printing machine |
| PCT/CN2017/073734 WO2018120371A1 (en) | 2016-12-27 | 2017-02-16 | Bi-directional scraper apparatus for textile printing machine |
| TW106112436A TWI655099B (en) | 2016-12-27 | 2017-04-13 | Two-way scraper device for textile printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223326.6A CN108237763B (en) | 2016-12-27 | 2016-12-27 | Bidirectional scraper device for textile printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108237763A true CN108237763A (en) | 2018-07-03 |
| CN108237763B CN108237763B (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611223326.6A Active CN108237763B (en) | 2016-12-27 | 2016-12-27 | Bidirectional scraper device for textile printing machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108237763B (en) |
| TW (1) | TWI655099B (en) |
| WO (1) | WO2018120371A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943984A (en) * | 2018-08-13 | 2018-12-07 | 合肥鼎中智能科技有限公司 | A kind of cross cutting stripping off device and die-cutting production line |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439740B (en) * | 2020-10-23 | 2024-05-28 | 超音速人工智能科技股份有限公司 | Pole piece cleaning visual detection equipment |
| CN114801469A (en) * | 2022-05-19 | 2022-07-29 | 海宁人民机械有限公司 | Novel printing scraper |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108237763B (en) | 2020-04-21 |
| WO2018120371A1 (en) | 2018-07-05 |
| TWI655099B (en) | 2019-04-01 |
| TW201823042A (en) | 2018-07-01 |
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Address after: May 2015, 380 Jinbai Road, Jinshan Industrial Zone, Jinshan District, Shanghai_ Building 6, No. 388 Patentee after: NEWTECH TEXTILE TECHNOLOGY DEVELOPMENT (SHANGHAI) Co.,Ltd. Address before: 201613 area B, building 2, 318 Lianyang Road, Songjiang District, Shanghai Patentee before: NEWTECH TEXTILE TECHNOLOGY DEVELOPMENT (SHANGHAI) Co.,Ltd. |
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