CN101187184A - Device for detachably fixing a holder for a doctor blade in a paper production plant - Google Patents
Device for detachably fixing a holder for a doctor blade in a paper production plant Download PDFInfo
- Publication number
- CN101187184A CN101187184A CNA2007101867305A CN200710186730A CN101187184A CN 101187184 A CN101187184 A CN 101187184A CN A2007101867305 A CNA2007101867305 A CN A2007101867305A CN 200710186730 A CN200710186730 A CN 200710186730A CN 101187184 A CN101187184 A CN 101187184A
- Authority
- CN
- China
- Prior art keywords
- supporting member
- scraping blade
- finger
- assembly
- retainer
- 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.)
- Pending
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G3/00—Doctors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/041—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/044—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for holding the blades
Landscapes
- Paper (AREA)
Abstract
A device for the detachable fixing of the holder for a doctor blade, which is assigned to a supporting and guiding roll in a paper production plant, to a support. The holder is mounted on the support such that it can be pivoted about an axis oriented at least approximately in the direction of the doctor edge bearing on the supporting or guiding roll. Furthermore, the holder is formed by holding fingers which extend transversely with respect to the pivot axis and which are in each case constructed with a first bearing part which interacts with a second bearing part located on the support and also, between the holder and the support, there being at least one actuating element, by way of which the holding fingers can be pivoted independently of one another. One of the two bearing parts is formed by a bearing shell, which is formed with a cutout, in particular with a slot, extending in the direction of the pivot axis, and the other of the two bearing parts is formed by a bearing pin which is carried by a web or the like penetrating the cutout in the bearing shell. Accordingly, the holder can be displaced with respect to the support in the direction of the pivot axis over the entire length of the doctor blade.
Description
Related application
Based on 35 U.S.C. § 119, the application requires to apply for A 1944/2006 in the Austria that on November 23rd, 2006 submitted; Should merge therewith as a reference with its full content in first to file.
Technical field
The present invention relates to be used for removably retainer with scraping blade (doctor blade) and be fixed to device on the supporting member, give supporting guide reel (supporting and guidingroll) in the assignment of scraping blade described in the paper mill.Retainer is installed on the supporting member, so that it can be around at least approx along the axis pivot of scraping blade edge direction guiding, described edge bearing is on supporting or guide reel.And then, by keeping finger to form retainer, described finger is with respect to the pivot axis horizontal expansion and partly make up with clutch shaft bearing in all cases, described clutch shaft bearing part interacts with second bearing portions that is positioned on the supporting member, and at least one actuation element is set between retainer and supporting member, keeps finger to pivot independently of one another by this actuation element.
Background technology
Silk screen (wire) is arranged in the paper mill, and described silk screen moves on supporting or guide reel along the paper mill and paper making raw material or paper pulp are applied on the silk screen.On the direction of motion of silk screen, the liquid that contains in the paper making raw material is sucked out from paper making raw material, and the air of the paper web of making thus sucking-off by passing through silk screen comes dry.Have felt (felt) on the further motion path of paper web in this factory, paper web is by further dry on this felt.Silk screen and felt all move above the supporting guide reel.And paper web directly moves above the supporting guide reel.
Because from the liquid of paper making raw material sucking-off and because drying process, the part of drawing from paper making raw material or coming out from paper web--particularly paper pulp fiber--reaches on supporting or the guide reel, this means that supporting or guide reel can be contaminated.Because these pollutants hinder the running of supporting or guide reel, so need make the continuous cleaning of they experience.For this purpose, the supporting guide reel all is assigned a scraping blade in all cases, and this scraping blade contacts with relevant supporting guide reel and can wipe pollutant on the roller off by this scraping blade.
Here, scraping blade need be set by this way: its with predetermined pressure support on relevant roller.For this purpose, blade holder makes up with a device, and this device is used to adjust the angle position of scraping blade with respect to relevant roller.And, because the retainer of scraping blade has to often be replaced, so that can clear up retainer and scraping blade, so also need be fixed on the supporting member of retainer with the retainer of the simplest possible mode with scraping blade.
In the prior art of this device, the retainer of scraping blade and the supporting member of retainer are with toward each other and outstanding lug (lug) is constructed, and described lug is formed with the boring of assignment each other, and the bearing pin that extends along silk screen width top inserts in the boring.For the retainer of the scraping blade supporting member from retainer being disassembled, bearing pin is pulled out by side direction.By this way, the retainer of scraper can disassemble from supporting member, that is to say that the longitudinal direction with respect to bearing pin laterally is lifted away from.Yet in this case, the difficulty that exists is usually, because the construction form of factory can not obtain to be used for retainer with respect to its required space of supporting member motion.
Summary of the invention
Thereby, an object of the present invention is to provide a kind of device, be used in the paper mill releasedly the fixedly retainer of scraping blade, it has overcome the above-mentioned shortcoming of these known class apparatus and method, and it is exploitation by this way further: the retainer of scraping blade can be shifted with respect to supporting member along the longitudinal direction of bearing pin, and need laterally not remove from carrier with respect to direction of insertion--promptly be lifted away from from carrier.
For aforementioned and other purposes that proposed, according to the present invention, provide a kind of assembly, be used for the scraping blade that the supporting guide reel is given in assignment being installed in the paper mill, described assembly comprises:
Supporting member and the retainer that is used to carry scraping blade, described retainer be releasably attached on the described supporting member and can around pivot axis be installed on the described supporting member, described pivot axis is roughly along the direction guiding that is carried on the scraping blade edge on supporting or the guide reel;
Retainer is formed by a plurality of maintenance fingers, described finger laterally extend with respect to pivot axis and each all have with described supporting member on the interactional clutch shaft bearing part of second bearing portions;
At least one actuation element is arranged between retainer and the supporting member, is used to make keep finger to pivot independently of one another;
In the clutch shaft bearing part and second bearing portions one forms by having the bear box that otch forms wherein, direction along pivot axis is extended, and in the clutch shaft bearing part and second bearing portions another forms by being connected the bearing pin that plate carries, described connecting plate passes the otch in the bear box, makes that retainer can be along the direction of the pivot axis whole length superior displacement at scraping blade with respect to supporting member.
In other words, the objective of the invention is to realize: one in two bearing portions is formed by bear box, it is formed with otch, specifically be to be formed with groove, extend along the pivot axis direction, and in two bearing portions another form by bearing pin, and this bearing pin is by passing the connecting plate equivalent-load of the otch in the bear box, this means that retainer can be with respect to supporting member along the direction of the pivot axis whole length superior displacement at scraping blade.
Preferably, each keeps finger to form separative bearing portions, and is positioned at that bearing portions on the supporting member extends on the whole length of scraping blade with the form of parts or is formed by the independent sector of the bearing portions of locating with a distance each other.Specifically, each keeps finger all to be assigned a bearing pin, described bearing pin is fixed to the maintenance finger by connecting plate etc., and on supporting member, there is the strip bear box that extends along the length of scraping blade, or a plurality of strip bear box sections are set, at least one bear box forms by otch, is groove specifically, gives a side that keeps finger in its assignment.
Preferably, also be provided with the shield that extends above all maintenance fingers, it is fixed on the maintenance finger and is carried on the edge of assignment to the scraping blade of retainer.And, locate for the end of scraping blade in assignment, keep finger can be formed with the moulding (profiling) that is used for fixing scraping blade.Specifically, locate for the end of scraping blade in their assignments, each all is formed with otch to keep finger, and the bar outstanding from scraping blade can insert the otch.
According to further preferable feature, keep finger to form both arms shape bar, described bar is installed on the supporting member in their middle section, and keeps the supporting member of finger to be configured with the flexible covering element that arrives maintenance finger top.
Other features that can think characteristics of the present invention are set forth in the claims.
Although show and described the present invention with the device implemented, wherein said device is used in the paper mill the fixedly retainer of scraping blade, but never be the concrete form shown in being restricted to, because can not break away from spirit of the present invention and in the scope of claim equivalence example, carry out various modifications and structural change.
Yet, when in conjunction with appended accompanying drawing, structure of the present invention and method of operating, and extra purpose and advantage can obtain understanding from the description of subsequently specific embodiment better.
Description of drawings
Fig. 1 is the side view according to device of the present invention.
Fig. 2 is the perspective view of the novel apparatus under scaling up compared to Figure 1.
Reduce the perspective view according to some parts of the device of Fig. 1 ratio under of Fig. 3 for comparing with Fig. 2; With
Fig. 4,4a and 4b for scaling up that other accompanying drawings are compared under three separate perspective view of installing of the part according to the device of Fig. 1.
The specific embodiment
Referring to accompanying drawing, specifically be referring to Fig. 1 at first at length, the figure shows supporting guide reel 1, described roller is arranged in the paper mill, below the silk screen, below the felt or below paper web.Roller 1 is assigned a scraping blade 2, and described scraping blade 2 can contact with the surface of roller 1.The orientation of scraping blade 2 is along the direction opposite with the direction of rotation of roller 1.By scraping blade 2, roller 1 lip-deep pollutant can be removed, these pollutants be since paper making raw material on silk screen dehydration or the drying of paper web cause.
Scraping blade 2 is fixed on the retainer 3, and this retainer 3 is formed by many maintenance fingers that are provided with adjacent to each other 31 and the shield 32 that is positioned at these fingers tops.For this purpose, in the edge of scraping blade towards retainer 3, scraping blade 2 is formed with bar (strip) 21, and this bar 21 is projected into the otch 33 that is arranged in the place, end that keeps finger 31.And then, being fastened to shield 32 on the retainer finger 31 by screw, all keep fingers 31 all to be connected with each other, to form a construction unit.
The retainer 3 of scraping blade 2 can pivot by the supporting member 5 of the bearing 4 on the supporting member 5 with respect to retainer 3.In order to adjust the pivot position of retainer 3 with respect to supporting member 5, between supporting member 5 and retainer 3, there are two actuation elements of inflatable hose (inflatable hose) 6 forms, can adjust the angle position of retainer 3 with respect to supporting member 5 by described inflatable hose 6.
In addition, away from the end of the retainer 3 of scraping blade 2 and the place, end of supporting member 5, the covering element 51 of flexible is set.
Supporting member 5 is positioned on the swing arm 7, and this swing arm 7 is fixed on the axle 8, and this 8 extends and can be adjusted to once the position that pivots by tension rail 9 and can be fixed on this position along axial direction of roller 1.
Fig. 2 shows scraping blade 2, has one of them maintenance finger 31 and the retainer that is used for scraping blade 23 of shield 32, the bearing 4 that is used for the retainer 3 on the supporting member 5, actuation element 6 and covering element 51.
Fig. 3 shows supporting member 5 and the actuation element 6 that keeps finger 31 is installed.As directed, on the length of supporting member 5, many maintenance fingers 31 located adjacent one another are set, each keeps finger 31 to be formed with bearing pin 41.Bearing pin 41 is installed on the bear box 42 that is fixed on the supporting member 5.Shown in further, each bearing pin 41 can be assigned a bear box 42 or an a plurality of bearing pin 41 that separates can be assigned a shared bear box 42 as this figure.In addition, can see the otch 33 that keeps in the finger 31.
As can from Fig. 4,4a and 4b, further seeing, in all cases, be positioned at the bearing pin 41 that keeps on the finger 31 and be fixed on the maintenance finger 31 by connecting plate 41a.And bearing pin 41 is assigned bear box 42, and this housing 42 is fixed on the supporting member 5 and at described housing and is formed with groove 42a towards a side that keeps finger 31.In this case, the clear span of groove 42a (clear width) is more bigger than the thickness of connecting plate 41a.Because this structure of bearing 4 keeps finger 31 freely to be shifted with respect to the axial direction of supporting member 5 along bearing pin 41.The result, having the retainer 3 that keeps finger 31 and shield 32 and have scraping blade 2 simultaneously can be by disassembling from supporting member 5 with respect to the axially displaced of supporting member 5, and need not be with respect to the axis of bearing pin 41 laterally from supporting member 5 dismountings--promptly be lifted away from from supporting member 5.Then by this way, even under the situation that is not used in the space that retainer 3 is lifted away from supporting member 5, also can satisfy from the needs of the retainer 3 of the supporting member 5 dismounting scraping blades 2 of retainer 3.
Claims (13)
1. an assembly is used in the paper mill scraping blade that the supporting guide reel is given in assignment being installed, and described assembly comprises:
Supporting member and the retainer that is used to carry scraping blade, described retainer be releasably attached on the described supporting member and can around pivot axis be installed on the described supporting member, described pivot axis is roughly along the direction guiding that is carried on the scraping blade edge on supporting or the guide reel;
Described retainer is formed by a plurality of maintenance fingers, described finger laterally extend with respect to described pivot axis and each all have with described supporting member on the interactional clutch shaft bearing part of second bearing portions;
At least one actuation element is arranged between described retainer and the described supporting member, is used to make described maintenance finger to pivot independently of one another;
In the described clutch shaft bearing part and second bearing portions one forms by having the bear box that otch forms wherein, direction along described pivot axis is extended, and in the described clutch shaft bearing part and second bearing portions another forms by being connected the bearing pin that plate carries, described connecting plate passes the described otch in the described bear box, makes that described retainer can be along the direction of the described pivot axis whole length superior displacement at scraping blade with respect to described supporting member.
2. assembly as claimed in claim 1, wherein, the described otch in the described bear box is a groove.
3. assembly as claimed in claim 1, wherein, each described maintenance finger is formed with described bearing portions separately, and the formation with parts on the whole length of scraping blade of the described bearing portions on the described supporting member is extended.
4. assembly as claimed in claim 1, wherein, each described maintenance finger forms separative described bearing portions, and the described bearing portions on the described supporting member extends along form independently section with a distance to each other.
5. assembly as claimed in claim 1, wherein, each described maintenance finger is assigned a bearing pin, described bearing pin is fixed to described maintenance finger by connecting plate, and wherein, described strip bear box is arranged on the described supporting member, and described bear box is given on the side that keeps finger along the length extension of scraping blade and in assignment has a plurality of otch that are formed in the described bear box.
6. assembly as claimed in claim 5, wherein, described otch is the groove that is formed in the described bear box.
7. assembly as claimed in claim 1, wherein, each described maintenance finger is assigned a bearing pin, described bearing pin is fixed to described maintenance finger by connecting plate, and wherein, a plurality of strip bear box sections are arranged on the described supporting member, and described bear box has in assignment gives the otch that is formed on the side that keeps finger in the described bear box.
8. assembly as claimed in claim 7, wherein, described otch is the groove that is formed in the described bear box.
9. assembly as claimed in claim 1, it comprises shield, and described shield extends above all described maintenance fingers, and described shield is fixed on the described maintenance finger and is carried on the edge of assignment to the scraping blade of described retainer.
10. assembly as claimed in claim 1 wherein, locates for the end of scraper in the assignment of described maintenance finger, and described maintenance finger is formed with the moulding that is used for fixing scraping blade.
11. assembly as claimed in claim 10 wherein, locates for the end of scraping blade in assignment, each described maintenance finger is formed with otch, and the bar outstanding from scraping blade inserts this otch.
12. assembly as claimed in claim 1, wherein, described maintenance finger is a both arms shape bar, and described bar has the central area that is installed on the supporting member.
13. assembly as claimed in claim 1, wherein, the supporting member that is used for described maintenance finger comprises the flexible covering element that arrives described maintenance finger top.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0194406A AT503922B1 (en) | 2006-11-23 | 2006-11-23 | Bearing for scraper blade holder used in papermaking plant, includes pivot with slotted bearing shell, permitting holder to be moved along axis over entire length of scraper blade |
| ATA1944/2006 | 2006-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101187184A true CN101187184A (en) | 2008-05-28 |
Family
ID=39032440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101867305A Pending CN101187184A (en) | 2006-11-23 | 2007-11-16 | Device for detachably fixing a holder for a doctor blade in a paper production plant |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20080121770A1 (en) |
| EP (1) | EP1947239A3 (en) |
| JP (1) | JP2008127732A (en) |
| CN (1) | CN101187184A (en) |
| AT (1) | AT503922B1 (en) |
| BR (1) | BRPI0705801A (en) |
| CA (1) | CA2607453A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850395A (en) * | 2009-03-31 | 2010-10-06 | Run技术系统有限公司 | Be used for the device and method that the pivot of the doctor assemblies of paper machine is installed |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT502824B1 (en) * | 2006-02-16 | 2007-06-15 | Bartelmuss Klaus Ing | Doctor blade holder detachable fixing device for paper production plant, has holder fixable at support in operating position, and pressure hose provided between holder and support and clamping holder to support |
| DE102008041119A1 (en) * | 2008-08-08 | 2010-02-11 | Voith Patent Gmbh | Device for direct or indirect application of a liquid or pasty application medium to a movable material web |
| DE102011081927A1 (en) * | 2011-08-31 | 2013-02-28 | Joh. Clouth Gmbh & Co. Kg | Device for holding doctor blades |
| EP3399099A1 (en) * | 2017-05-03 | 2018-11-07 | Oradoc S.r.l. | Rigid and flexible doctor blade holder and system comprising a cylinder and a doctor blade holder |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0485597B1 (en) * | 1990-05-15 | 1996-09-25 | Aikawa Iron Works Co., Ltd. | Doctor apparatus |
| FI108654B (en) * | 1999-04-15 | 2002-02-28 | Metso Paper Inc | Load arrangement for paper machine makers |
| US6202252B1 (en) * | 1999-06-03 | 2001-03-20 | Valmet Ltd. | Doctoring apparatus |
| FI4290U1 (en) * | 1999-09-14 | 2000-01-19 | Valmet Corp | Paper machine scraper |
| DE10251983A1 (en) * | 2002-11-08 | 2004-05-19 | Helmut Strauch | Doctor blade mounting, to clean roller surfaces in the papermaking and steel industries, has a mounting tube at the base plate to fit into a quadrilateral tube attached to the cover plate |
| DE102004018421B3 (en) * | 2004-04-08 | 2005-07-21 | Joh. Clouth Gmbh & Co. Kg | Scraper pressure calibration unit located at periphery of roller or cylinder of paper making-, printing- or calendering machine comprises mounting strip, holder and sensor |
-
2006
- 2006-11-23 AT AT0194406A patent/AT503922B1/en not_active IP Right Cessation
-
2007
- 2007-09-17 EP EP07450160A patent/EP1947239A3/en not_active Withdrawn
- 2007-10-23 CA CA002607453A patent/CA2607453A1/en not_active Abandoned
- 2007-11-14 JP JP2007295694A patent/JP2008127732A/en active Pending
- 2007-11-16 CN CNA2007101867305A patent/CN101187184A/en active Pending
- 2007-11-19 BR BRPI0705801-2A patent/BRPI0705801A/en not_active Application Discontinuation
- 2007-11-21 US US11/943,706 patent/US20080121770A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850395A (en) * | 2009-03-31 | 2010-10-06 | Run技术系统有限公司 | Be used for the device and method that the pivot of the doctor assemblies of paper machine is installed |
| CN101850395B (en) * | 2009-03-31 | 2013-07-10 | Run技术系统有限公司 | Apparatus and method for pivotal mounting of a doctor blade assembly in a paper machine |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0705801A (en) | 2008-07-15 |
| AT503922A4 (en) | 2008-02-15 |
| EP1947239A3 (en) | 2009-06-03 |
| EP1947239A2 (en) | 2008-07-23 |
| AT503922B1 (en) | 2008-02-15 |
| JP2008127732A (en) | 2008-06-05 |
| CA2607453A1 (en) | 2008-05-23 |
| US20080121770A1 (en) | 2008-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080528 |