CN106868921A - Drying section of paper machine paper web stripping off device and its calibration method - Google Patents
Drying section of paper machine paper web stripping off device and its calibration method Download PDFInfo
- Publication number
- CN106868921A CN106868921A CN201710017446.9A CN201710017446A CN106868921A CN 106868921 A CN106868921 A CN 106868921A CN 201710017446 A CN201710017446 A CN 201710017446A CN 106868921 A CN106868921 A CN 106868921A
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- China
- Prior art keywords
- paper
- injection blower
- laser
- scraper
- calibration
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- 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.)
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G3/00—Doctors
- D21G3/04—Doctors for drying cylinders
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G9/00—Other accessories for paper-making machines
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- Paper (AREA)
Abstract
The invention discloses a kind of drying section of paper machine paper web stripping off device and its calibration method,One kind is aimed to provide to calibrate airflow direction with convenient,It is not susceptible to install the drying section of paper machine paper web stripping off device and its calibration method of the advantage slipped up,Its drip irrigation device is,Several air holes on same straight line are offered on the paper injection blower,Calibrating device is provided between scraper and paper injection blower,Calibrating device is included for the laser calibration portion for launching laser and the connecting rod being fixed in laser calibration portion,The diameter of connecting rod is identical with the diameter of air holes,Its length is identical with the internal diameter of paper injection blower,The Installation And Calibration of paper injection blower can be facilitated,Inaccurate the brought deviation of installation and error can be reduced,Improve the overall runnability of paper machine,Can also be ensured that drying cylinder has larger evaporation region,Transversal ventilation is more uniform,Reduce the temperature difference between drying cylinder and scraper,The contact performance of lifting scraper and drying cylinder.
Description
Technical field
The present invention relates to paper making equipment field, more particularly to a kind of drying section of paper machine paper web stripping off device and its calibration side
Method.
Background technology
Paper machine is the equipment for paper making, and it is mainly made up of devices such as wet end, press section and drying sections, wet end
Two kinds of cyclotomy net and fourdrinier wire, press section is made up of pressure roller and papermaker's felt etc., and drying section is made up of one or several drying cylinders, has
A little fourdriniers are also equipped with calender, to improve the smoothness and tightness etc. of paper.
Paper web paper machine net part forming and press section dehydration after, still remain 60%~68% moisture, so
The method for being spread by heating evaporation in drying section of paper machine afterwards is further sloughed, and 94 % needed for making paper web reach finished product are left
Right mass dryness fraction.
Paper web is dried and is divided into contact drying and non-contact type drying, can use several distinct methods, i.e. drying cylinder contact
The airing and infrared ray or high frequency electric seasoning of formula seasoning, high velocity drying and impingement drying etc. are contactless
Seasoning, existing multiplex drying cylinder contact drying method is dried to paper web, general to use when paper web is transmitted from drying cylinder to wind-up roll
Scraper coordinates the mode of air-flow that paper web is peeled off from drying.
At present, the Chinese patent of Publication No. CN101490336 discloses a kind of drying section internal control in web forming machine
The equipment of the air-flow during afterbody wet web pickup processed, its afterbody is set at several positions of drying section from dryer cylinder by branch
The interval supportted on fabric is transmitted to slewing rollers, and dryer cylinder and fabric form open gap.Gap is arranged in afterbody
Outside be covered at least partially, to limit the air-flow along cross-machine direction related to open gap.
It is this to control the equipment of the air-flow during afterbody wet web pickup although to improve afterbody in the drying section of web forming machine
The reliability of wet web pickup, but this equipment needs relatively accurately to adjust airflow direction when coordinating scraper to use, and makes it and scrapes
Knife is engaged, and the calibration of airflow direction often carries out school by experience by veteran operating personnel to airflow direction
Standard, easily installs error and then influences the peeling effect of paper web.
The content of the invention
A purpose of the invention is to provide a kind of drying section of paper machine paper web stripping off device, and it has convenient to airflow direction
Calibrated, be not susceptible to that the advantage slipped up is installed.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of drying section of paper machine paper web stripping off device, including frame, slewing rollers, drying cylinder and wind-up roll, drying cylinder and wind-up roll it
Between be provided with scraper and paper injection blower for peeling off paper web, several are offered on the paper injection blower located at same straight line
On air holes, be provided with calibrating device between scraper and paper injection blower, calibrating device includes the calibration portion and fixation for assisted calibration
Connecting rod in calibration portion, the diameter of connecting rod is identical with the diameter of air holes, and its length is identical with the internal diameter of paper injection blower.
By using above-mentioned technical proposal, operating personnel can be determined when paper injection blower is installed by calibrating device
The setting angle of paper injection blower and the angle of blowout air-flow are installed, can be arranged on connecting rod in air holes by operating personnel, so
The switch in laser calibration portion is opened afterwards, its assist operators is determined the relative position and angle of air holes on paper injection blower,
It is possible thereby to estimate out the position and direction that paper injection blower blows out wind, it is not necessary to which operating personnel are by experience to air-flow side
To being calibrated, facilitate the Installation And Calibration of paper injection blower, inaccurate the brought deviation of installation and error can be reduced, carry
The overall runnability of paper machine high.
Further set：The scraper includes tool rest, cutter shaft and knife plate, and knife plate is provided with radian and drying cylinder away from tool rest side
Cylindrical radian identical sword side, sword side contradict to drying cylinder it is cylindrical on.
By using above-mentioned technical proposal, the sword of knife plate when arc is designed as, and contradict drying cylinder it is cylindrical on, Ke Yigeng
Paper web is separated from dryer surface for convenience, improves overall operating rate, while scraper can keep the outer surface of drying cylinder
Cleaning, the contact performance between knife plate and drying cylinder is more preferable.
Further set：The calibration portion include laser calibration portion, its towards sword side marginal position set and hitherward
Transmitting laser.
By using above-mentioned technical proposal, because the direction of propagation of laser is straight line, and along the direction propagation of air holes, can
Location and installation is carried out to paper injection blower with assist operators, guiding operating personnel change the direction of air holes, it is to avoid operator
Position and orientation of the member only by rule of thumb to air holes are adjusted, and reduce the generation for installing error.
Further set：The calibration portion includes flexible calibration portion, and it sets and can stretch towards the marginal position on sword side
Contract on conflict to sword side.
By using above-mentioned technical proposal, after fixing connecting rod and determining that it will not shake, operating personnel can be with
Flexible calibration portion is elongated, its end is contradicted on sword side, angle of the operating personnel again to paper injection blower is adjusted, energy
Operating personnel are enough helped to be calibrated, so as to reduce installation error.
Further set：The frame is provided with curved bar, and paper injection blower is provided with fix bar, and fix bar one end is equipped with
Bolt, and be fixed on curved bar by nut.
By using above-mentioned technical proposal, fix bar is set, one end of fix bar passes through bolt and spiral shell on paper injection blower
Female cooperation is fixed on curved bar, paper injection blower can be mounted and dismounted on curved bar more conveniently, is easy to operator
The adjustment of member.
It is a further object of the present invention to provide a kind of calibration method of paper web stripping off device, it has convenient to airflow direction
Calibrated, be not susceptible to that the advantage slipped up is installed.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of calibration method of paper web stripping off device, comprises the following steps：
S1：Scraper and paper injection blower are fixed in frame respectively, the side for bending the sword side of scraper is cylindrical with drying cylinder
Laminating, and pretension is carried out with the nut of curved bar to the bar that is connected；
S2：The connecting rod in laser calibration portion is located in paper injection blower any one air holes, observe laser calibration portion with
After paper injection blower does not occur relative rocking, the switch in laser calibration portion is opened, make it to sword edge emitting laser.
S3：Angle between adjustment fix bar and curved bar, to adjust the direction of air holes on paper injection blower, makes laser alignment
The edge on sword side is irradiated.
S4：Laser calibration part is taken out, air holes is changed, S3 is repeated, the direction to air holes on paper injection blower is adjusted,
After the completion of locking nut, paper injection blower is fixed in frame.
Further set：Misalignment angle between the laser and sword side edge of the laser calibration portion transmitting is at 8 °~10 °
Between.
By using above-mentioned technical proposal, because the wind blown out in air holes can spread under the stop of air around, and
Air flow allows the presence of some errors in itself, and can between 8 °~10 ° by the misalignment angle control at air holes and sword side edge
To reach more good effect, so as to improve the efficiency of paper web stripping.
Preferably, the scraper and paper injection blower are applied to speed making between 350m/min~2000m/min
Paper machine.
In sum, the invention has the advantages that：
The Installation And Calibration of paper injection blower can be facilitated, inaccurate the brought deviation of installation and error can be reduced, improved
The overall runnability of paper machine, moreover it is possible to which, to ensureing that drying cylinder has larger evaporation region, transversal ventilation is more uniform, reduces and dries
The contact performance of the temperature difference between cylinder and scraper, lifting scraper and drying cylinder.
Brief description of the drawings
Fig. 1 is the schematic front view of embodiment 1；
Fig. 2 is the structural representation of embodiment 1；
Fig. 3 is the enlarged diagram at A；
Fig. 4 is the structural representation in the alignment portion of embodiment 1；
Fig. 5 is the structural representation in the alignment portion of embodiment 2.
In figure, 1, drying cylinder；11st, slewing rollers；12nd, wind-up roll；2nd, scraper；21st, tool rest；22nd, cutter shaft；23rd, knife plate；24th, sword
Side；3rd, paper injection blower；31st, air holes；32nd, fix bar；33 bolts；34th, nut；35th, airduct；36th, curved bar；361st, fixed part；
362nd, knee；4th, calibrating device；41st, calibration portion；411st, laser calibration portion；412nd, flexible calibration portion；413rd, battery compartment；414th, circuit
Plate；415th, laser diode；416th, switch；417th, beam-expanding collimation lens group；418th, telescoping tube；42nd, connecting rod；5th, stomata；6、
Blower fan.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：A kind of drying section of paper machine paper web stripping off device, as shown in figure 1, it includes three parts, interposition
It is drying cylinder 1 to put, and its right side is slewing rollers 11, and left side is wind-up roll 12, and the diameter of drying cylinder 1 is maximum, and the lower section of drying cylinder 1 is fixed with scraper
2 and paper injection blower 3, the paper web in production is conveyed by the drying cylinder 1 upward of slewing rollers 11, then the wind-up roll wound to left side
On 12, by the heating of drying cylinder 1, paper web can just reach the aridity of requirement, in order to prevent paper web that drying cylinder 1 is attached to because of high temperature
Surface, scraper 2 can coordinate paper injection blower 3 that paper web is scraped off and blown open, facilitate paper web to be peeled off from drying cylinder 1.
As depicted in figs. 1 and 2,2 points of scraper is three parts, and centre position is tool rest 21, and the bottom of tool rest 21 is fixed on makes
On the body of paper machine, the two ends of tool rest 21 are fixed with the cutter shaft 22 set parallel to drying cylinder 1, and operating personnel can be by cutter shaft 22
Adjust the fixed angle of tool rest 21, additionally it is possible to facilitate the upper left side of the installation and removal of tool rest 21, tool rest 21 to be provided with scraper 2, scrape
The overall plate-like setting of knife 2, and inclined upward to the left, extend and be close to drying cylinder 1 it is cylindrical on, scraper 2 is pasted with drying cylinder 1
Near position is set in arc-shaped and constitutes sword side 24, and its circular arc is fitted with the cylindrical of drying cylinder 1, therefore scraper 2 can be more tight
Be fitted on drying cylinder 1 so that paper web be more prone to peel off.
As shown in Fig. 2 the end of drying cylinder 1 is provided with blower fan 6, several stomatas 5 are additionally provided with drying cylinder 1, when drying cylinder 1 is to paper web
When carrying out heating, drying, blower fan 6 makes to produce negative pressure in drying cylinder 1 to being evacuated in drying cylinder 1, and such paper web can just be close to
The surface of drying cylinder 1, so that paper web drying is more complete.
As shown in Figures 2 and 3, paper injection blower 3 is fixed on the left side of tool rest 21, and the bottom of cutter shaft 22 is fixed with curved bar
36, the top half of curved bar 36 is fixed part 361, and lower section is knee 362, and knee 362 bends to the left, the top of fixed part 361
It is fixed on cutter shaft 22, its bottom is hinged with knee 362, the left end of knee 362 is hinged with fix bar 32, and operating personnel can lead to
Angle of angle and fix bar 32 of the toning clinch lever 362 on fixed part 361 on knee 362 is blown adjusting whole paper injection
The angle and direction of airduct 3.
As shown in Figures 2 and 3, fix bar 32 is set in inverted " L " font, and it is fixedly arranged above airduct 35, airduct 35
Set parallel to drying cylinder 1, and several air holes 31 are equidistantly provided with airduct 35, company of the air holes 31 towards scraper 2 and drying cylinder 1
Meet place to set, the wind energy in airduct 35 makes paper web be easier to be peeled off from drying cylinder 1, and calibrating device is additionally provided with the air holes 31 of airduct 35
4, for calibrating the direction of airduct 35.
As shown in Figure 3 and Figure 4, calibrating device 4 includes calibration portion 41 and connecting rod 42, diameter and the air holes 31 of connecting rod 42
Diameter is identical, and the bottom of connecting rod 42 extends and contradicts in the bottom of airduct 35, and calibration portion 41 is laser calibration portion 411, laser
Calibration portion 411 includes battery compartment 413, circuit board 414, laser diode 415, switch 416 and beam-expanding collimation lens group 417, behaviour
Make personnel and open the laser diode 415 of switch 416 with regard to laser can be launched by beam-expanding collimation lens group 417, due to the biography of laser
Direction is broadcast for straight line, and along the direction propagation of air holes 31, positioning peace can be carried out to paper injection blower 3 with assist operators
Dress, guiding operating personnel change the direction of air holes 31, it is to avoid position and orientation of the operating personnel only by rule of thumb to air holes 31 are carried out
Adjustment, reduces the generation for installing error.
Embodiment 2：A kind of drying section of paper machine paper web stripping off device, as shown in figure 5, calibration portion 41 is flexible calibration portion
412, some telescoping tubes 418 for saving and being mutually arranged are provided with flexible calibration portion 412, calibrating device 4 is attached to air holes by operating personnel
After in 31, flexible calibration portion 412 can be stretched, it is contradicted the junction in scraper 2 and drying cylinder 1, be facilitated operator
Adjustment of the member to the angle of paper injection blower 3.
Embodiment 3：A kind of calibration method of paper web stripping off device, comprises the following steps：
S1：Scraper 2 and paper injection blower 35 are fixed in frame respectively, make the side that the sword side 24 of scraper 2 bends with drying cylinder 1
Cylindrical laminating, and nut 34 to be connected bar 32 and curved bar 36 carries out pretension；
S2：The connecting rod 42 in laser calibration portion 411 is located in paper injection blower 35 any one air holes 31, laser is observed
After calibration portion 411 does not occur relative rocking with paper injection blower 35, the switch 416 in laser calibration portion 411 is opened, make it to sword side
24 transmitting laser；
S3：Angle between adjustment fix bar 32 and curved bar 36, to adjust the direction of air holes 31 on paper injection blower 35, makes laser
The edge on alignment sword side 24 is irradiated；
S4：Laser calibration part 4 is taken out, air holes 31 is changed, S3 is repeated, the direction to air holes 31 on paper injection blower 35 is adjusted
It is whole, after the completion of locking nut 34, paper injection blower 35 is fixed in frame.
Misalignment angle between laser and the edge of sword side 24 that laser calibration portion 411 is launched is controlled between 8 °~10 °,
This calibration method is applied to paper machine of the speed between 350m/min~2000m/min.
The above embodiments are only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected by Patent Law in the right of invention.
Claims (8)
1. a kind of drying section of paper machine paper web stripping off device, including slewing rollers（11）, drying cylinder（1）And wind-up roll（12）, drying cylinder（1）
With wind-up roll（12）Between be provided with scraper for peeling off paper web（2）With paper injection blower（35）, it is characterised in that：The paper injection
Blower（35）On offer several air holes on the same straight line（31）, scraper（2）With paper injection blower（35）Between
It is provided with calibrating device（4）, calibrating device（4）Including the calibration portion for assisted calibration（41）Be fixed on calibration portion（41）On connection
Bar（42）, connecting rod（42）Diameter and air holes（31）Diameter it is identical, its length and paper injection blower（35）Internal diameter it is identical.
2. drying section of paper machine paper web stripping off device according to claim 1, it is characterised in that：The scraper（2）Including
Tool rest（21）, cutter shaft（22）And knife plate（23）, knife plate（23）Away from tool rest（21）Side is provided with radian and drying cylinder（1）Cylindrical radian
Identical sword side（24）, sword side（24）Contradict to drying cylinder（1）On cylindrical.
3. drying section of paper machine paper web stripping off device according to claim 2, it is characterised in that：The calibration portion（41）Bag
Include laser calibration portion（411）, it is towards sword side（24）Marginal position set and hitherward launch laser.
4. drying section of paper machine paper web stripping off device according to claim 2, it is characterised in that：The calibration portion（41）Bag
Include flexible calibration portion（412）, it is towards sword side（24）Marginal position set and can stretch and contradict to sword side（24）On.
5. the drying section of paper machine paper web stripping off device according to claim 3 or 4, it is characterised in that：Set in the frame
There is curved bar（36）, paper injection blower（35）It is provided with fix bar（32）, fix bar（32）One end is equipped with bolt（33）, and pass through
Nut（34）It is fixed on curved bar（36）On.
6. a kind of calibration method of paper web stripping off device, it is characterised in that comprise the following steps：
S1：Respectively by scraper（2）With paper injection blower（35）It is fixed in frame, makes scraper（2）Sword side（24）The one of bending
Side and drying cylinder（1）Cylindrical laminating, and to the bar that is connected（32）With curved bar（36）Nut（34）Carry out pretension；
S2：By laser calibration portion（411）Connecting rod（42）It is located in paper injection blower（35）Any one air holes（31）It is interior, see
Measure laser calibration portion（411）With paper injection blower（35）After there is no relative rocking, laser calibration portion is opened（411）Switch
（416）, make it to sword side（24）Transmitting laser；
S3：Adjustment fix bar（32）With curved bar（36）Between angle, to adjust paper injection blower（35）Upper air holes（31）Court
To making laser alignment sword side（24）Edge be irradiated；
S4：By laser calibration part（4）Take out, change air holes（31）, S3 is repeated, to paper injection blower（35）Upper air holes（31）Court
To being adjusted, after the completion of locking nut（34）, by paper injection blower（35）It is fixed in frame.
7. the calibration method of paper web stripping off device according to claim 6, it is characterised in that：The laser calibration portion
（411）（41）The laser of transmitting and sword side（24）Misalignment angle between edge is between 8 °~10 °.
8. the calibration method of paper web stripping off device according to claim 6, the scraper（2）With paper injection blower（35）
（3）Paper machine suitable for rotating speed between 350m/min~2000m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017446.9A CN106868921B (en) | 2017-01-11 | 2017-01-11 | Drying section of paper machine paper web stripping off device and its calibration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017446.9A CN106868921B (en) | 2017-01-11 | 2017-01-11 | Drying section of paper machine paper web stripping off device and its calibration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106868921A true CN106868921A (en) | 2017-06-20 |
| CN106868921B CN106868921B (en) | 2019-07-19 |
Family
ID=59157407
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710017446.9A Active CN106868921B (en) | 2017-01-11 | 2017-01-11 | Drying section of paper machine paper web stripping off device and its calibration method |
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| CN (1) | CN106868921B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232373A (en) * | 2021-12-20 | 2022-03-25 | 无锡裕力机械有限公司 | Wireless paper equipment that draws of gentle breeze volume guide plate type |
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| CN206428521U (en) * | 2017-01-11 | 2017-08-22 | 无锡山富机械有限公司 | Drying section of paper machine paper web stripping off device |
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|---|---|---|---|---|
| US5987777A (en) * | 1995-12-22 | 1999-11-23 | Voith Sulzer Papiermaschinen Gmbh | Dry end |
| CN102089474A (en) * | 2008-05-22 | 2011-06-08 | 美卓造纸机械公司 | Method and arrangement in tail threading of a web in the dryer section of a fiber web machine |
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| CN114232373A (en) * | 2021-12-20 | 2022-03-25 | 无锡裕力机械有限公司 | Wireless paper equipment that draws of gentle breeze volume guide plate type |
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| CN106868921B (en) | 2019-07-19 |
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