EP0684338B1 - Klingenhalterung - Google Patents
Klingenhalterung Download PDFInfo
- Publication number
- EP0684338B1 EP0684338B1 EP95107240A EP95107240A EP0684338B1 EP 0684338 B1 EP0684338 B1 EP 0684338B1 EP 95107240 A EP95107240 A EP 95107240A EP 95107240 A EP95107240 A EP 95107240A EP 0684338 B1 EP0684338 B1 EP 0684338B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blade
- blade holder
- accordance
- holder
- positioning device
- 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.)
- Expired - Lifetime
Links
- 238000001035 drying Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
- D21H25/10—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with blades
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G3/00—Doctors
- D21G3/005—Doctor knifes
Definitions
- the invention relates to a device for arranging a Blade (blade holder) on a transport device a web, in particular on a roller or a Drying cylinder of a paper machine, in which the in a Blade clamping device held across the blade Direction of movement of a web can be brought, the Blade clamping device on one transversely to Blade support bar extending web direction is, and a support member with a first pivot bearing a frame and with a second pivot bearing on the Blade support beam is articulated.
- a blade holder for example coating a web, especially a paper web, with coating slip by a Squeegee with a layer thickness that is as uniform as possible should be achieved.
- Another possible use is the use in the production of crepe paper, in the a web of goods on a conveyor roller arranged scraper comes up to thereby the for crepe paper to create typical structure. In both cases the paper quality largely depends on the contact pressure of the Blade on the web or on the transport device as well as the size of the blade working angle.
- a blade holder is known in which the Arrangement of a blade of a squeegee by two rotary movements of one Blade support bar by one perpendicular to the transport direction extending pivot or rotation axis is reached.
- this blade holder has two Actuators with screw drives, which by means of a clutch and a Bevel gear can be connected to each other.
- this constructively relative Elaborate blade holder can be the contact pressure and Blade working angles can be varied independently of each other.
- US-A-4 919 756 has features 1 to 1.5 of claim 1, among others on. With this device, however, is a positioning of the blade after one Regrinding is not quick and easy to carry out.
- the blade should be positioned easier and faster than with previously known from the prior art to be arranged again on the transport device. In doing so the positioning of the blade easier and faster than in previously known from the prior art Blade holders can be made.
- the task is characterized by the characteristic features of the Claim 1 solved.
- the support member with the second pivot bearing hinged on a lever so that the Blade holder with one with the lever and the Support element connected pivot device is provided through which the blade support beam from an operating position at a greater distance from the roller Maintenance position can be pivoted, the Swiveling movement by changing the distance of the Articulation points of the swivel device on the lever and the Carrying element takes place.
- the Frame and the support element connected Positioning device for setting a Blade working angle provided, the positioning the blade by changing the distance between the two Articulation points of the positioning device on the frame and the support element takes place.
- the distance, which is also zero can be the blade support beam from the
- the transport device is enlarged by the Swivel device, the distance of their articulation points the lever and the support element by a certain amount enlarged. This can be done by using a print medium acted upon cylinder of the pivoting device preferred embodiment, for example one Pneumatic cylinder. After the maintenance work are carried out on the blade, the distance of the two articulation points back to the original amount decreased. With this blade holder must therefore Change from the operating position to the maintenance position and back to the operating position, only each a translatory movement of the same length be carried out. Due to the below explained interaction of the components of the invention shows the blade again after these two movements same blade working angle as before.
- a Blade holder according to the invention is thus characterized one by simple operation. On the other hand such translational movements relatively quickly and also very precisely executable, for example with the one already pneumatic cylinder mentioned above.
- Tip of the blade in the axis of rotation of the first pivot bearing can be arranged. This can be done constructively this way be realized that the axis of rotation of the pivot bearing on a radius on which the blade is at its Movement from the maintenance position to the operating position emotional.
- the blade holder according to the invention is with corresponding control signals, for example, from a control panel, remotely controlled can be transferred to the maintenance and operating position. As well is a remote controlled setting of the Blade working angle achievable.
- the blade holder according to the invention shown in Figure 1 is on a front face shown in sections rotating roller 1 one clockwise Paper machine arranged for the production of crepe paper.
- a second (mirror image) Blade holder according to the invention which the in Fig.1 shown corresponds.
- Between the two Blade holders is a perpendicular to that Drawing plane, along the surface of the roller 1 extending blade support beam 2 attached.
- How to the blade holder also shows Support element 3, a lever 4 and shown interrupted a fixed frame 5.
- the arrangement of these elements is made so that the line of sight Illustration in Figure 1 of the lever 4 in front of the support element 3 and this in turn is arranged in front of the blade support beam 2.
- the end face 6 of the blade support beam 2 and the surface 7 of the frame 5 are approximately at the same height.
- the support element 3 starting from a foot part 8, two approximately perpendicularly aligned support arms 9, 10 on. Between the support element 3 and the frame 5 is located as a positioning device 14 Screw drive 15. This is from a not shown Electric motor driven and is between a pivot point 16 on the frame 5 and a pivot point 17 on the first Support arm 9 of the support element 3 along an (imaginary) Connecting line 18 of the two articulation points 16, 17 arranged.
- the screw drive 15 is in each case the two pivot points 16, 17 rotatably attached.
- the first pivot bearing 20 is the support element 3 with its second support arm 10 also pivotable on the frame 5 attached (see especially Fig. 2).
- the Blade support beam 2 which is rigidly connected to the lever 4 is rotatable and axially displaceable in a second bearing (not shown here) in the foot part 8 of the support element 3 stored.
- a swivel device 24 Between a pivot point 22 in the area of other end of the lever 4 and another articulation point 23 is located on the first support arm 9 of the support element 3 a swivel device 24.
- the connecting line 26 has a greater distance from the pivot bearing 21 on as the connecting line 18.
- the pneumatic cylinder 25 in each case attached rotatably about its two articulation points 22, 23.
- the frame 5, in which the axis of rotation, not shown the roller 1 is mounted, has at its lower end with a threaded bolt 27 adjustable tab 28.
- On the tab 28 of the frame 5 is the articulation point 16 of the positioning device 14 and the first pivot bearing 20 of the support element 3.
- By turning the threaded bolt 27 can the distance between the pivot point 16 and the first Swivel bearing 20 along the circumferential line of the roller 1 a displacement axis can be changed.
- distance is in this context, the projection of the in the Figures actually spaced in to understand the drawing levels of FIGS. 1-3.
- the blade support beam 2 which is shown in the Embodiment around a support beam of a scraper 30 is together with the support element 3 and the lever 4th stored in the second pivot bearing 21. He can do that Axis of the second pivot bearing 21 relative movements run against the support element 3. Opposite the lever 4, the blade support beam 2 is arranged in a rotationally fixed manner.
- the contact pressure of the on the blade support beam 2 located scraper 30 can not with a illustrated, per se from the prior art previously known, blade clamping device can be varied. This happens because the scraper 30 along its entire length (perpendicular to the drawing plane) and thus a bending force in the direction of the roller 1 arises.
- Fig. 2 Before using the blade holder for the first time they are in a maintenance position as shown in Fig. 2 is shown.
- the axis of the first Swivel bearing 20 using the threaded bolt 27 so been adjusted so that it, as Fig.2 shows, immediately located above the circumference of the roller 1.
- the Scraper 30 attached to the blade support beam 2 and on it causes a predetermined contact pressure Bending force is applied, it is activated by pressing the Swivel device 24 in an operating position on the Roller 1 arranged.
- the sharp edge, or in the Representations of the figures the blade tip the scraper 30 is aligned with the axis of rotation of the second Swivel bearing 21.
- the second, not shown on the other end of the roller 1 arranged according to the invention Blade holder is always in the same way aligned like the blade holder shown.
- To the Swivel blade support beam 2 lead the two Blade holders also always synchronously same movements out.
- the frame 3 together with the blade support beam 2 around the blade tip be pivoted.
- the positioning device 14 for use.
- the Screw drive 15 of the positioning device 14 in the manner actuated that the distance between the two pivot points 16, 17 by one corresponding to the new blade working angle Amount increased.
- This rotates the support member 3 in Counterclockwise direction around the first pivot bearing 20.
- the lever follows this movement. This requires a total of a rotary movement of the blade support beam 2, also counterclockwise, just around the first Swivel bearing 20 result.
- the blade tip is aligned with the axis of the first pivot bearing 20. This has to Consequence that the blade support beam 2 around The tip of the blade rotates, which after the end of the Movement sets the new blade working angle. It there is a functional connection between the respective distance of the articulation points and the thereby conditional blade working angle.
- the scraper 30 is in this maintenance position Blade holder accessible from the side and can if necessary, be exchanged for another. If it is still possible due to the state of wear however, the scraper 30 is preferably reground. However, the width of the scraper 30 is reduced. So that the blade tip despite different widths of the Scraper 30 always in the axis of the first pivot bearing 20th can be brought, the scraper 30 is supported with his at one end not opposite the blade tip illustrated, adjustable stop surface. With the Stop bar can be of different widths Compensate scraper 30. After the scraper 30 is on the blade support beam 2 again in the intended Arrangement is made by original Pressurizing the pneumatic cylinder 25 the distance of the two articulation points 22, 23 again on the original amount decreased.
- the lever 4 and the Blade support beam 2 thereby rotate in Counterclockwise around the second pivot bearing 21 along the same way back to their original arrangement, the operating position.
- the blade support beam is on the roller 1 with the same blade working angle and Contact pressure arranged as before.
- Embodiments of the invention can also be provided that the rigidity of each on one of the end faces of the roller arranged blade holders according to the invention by mechanical cross connections, for example one Cross strut, is enlarged. It is also possible manually actuated trapezoidal lead screws instead of Provide electric drives for the screw drives.
Landscapes
- Paper (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Cleaning In Electrography (AREA)
- Nonmetal Cutting Devices (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4418464 | 1994-05-27 | ||
DE4418464A DE4418464C2 (de) | 1994-05-27 | 1994-05-27 | Klingenhalterung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0684338A2 EP0684338A2 (de) | 1995-11-29 |
EP0684338A3 EP0684338A3 (de) | 1997-04-23 |
EP0684338B1 true EP0684338B1 (de) | 1999-09-29 |
Family
ID=6519064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95107240A Expired - Lifetime EP0684338B1 (de) | 1994-05-27 | 1995-05-12 | Klingenhalterung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5868841A (es) |
EP (1) | EP0684338B1 (es) |
AT (1) | ATE185177T1 (es) |
DE (2) | DE4418464C2 (es) |
ES (1) | ES2138107T3 (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE505667C2 (sv) * | 1996-01-09 | 1997-09-29 | Btg Kaelle Inventing Ab | Schaberhållare |
DE29707991U1 (de) * | 1997-05-03 | 1997-07-03 | EMWE GmbH, 97483 Eltmann | Vorrichtung zum Messen der relativen Positionierung einer Schaberklinge zu einer Walze einer Papiermaschine |
DE19841637A1 (de) * | 1998-09-11 | 2000-03-16 | Voith Sulzer Papiertech Patent | Schaber |
FI114557B (fi) * | 2003-03-14 | 2004-11-15 | Metso Paper Inc | Palkin sisältävä paperikoneen käsittelylaitteisto |
DE202017102719U1 (de) * | 2017-05-08 | 2017-06-07 | Valmet Technologies Oy | Vorrichtung zur Bewegung eines Tragbalkens |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2698453A (en) * | 1952-09-11 | 1955-01-04 | Blaw Knox Co | Holder for interchangeably supporting knives against the periphery of revolving drums |
US3070066A (en) * | 1957-08-06 | 1962-12-25 | Time Inc | Coating apparatus having blade control means and releasable blade holder |
US3031703A (en) * | 1960-03-10 | 1962-05-01 | Dominion Foundries & Steel | Continuous strip wiping apparatus |
US3065487A (en) * | 1960-11-21 | 1962-11-27 | Vickerys Ltd | Doctors for paper making machines |
US3113890A (en) * | 1961-06-26 | 1963-12-10 | Kimberly Clark Co | Apparatus for smoothing coating materials on a paper web |
US3128207A (en) * | 1961-09-07 | 1964-04-07 | Beloit Iron Works | Trailing blade coater blade loading mechanism |
US3361059A (en) * | 1965-03-11 | 1968-01-02 | Donnelley & Sons Co | Doctor blade for rotogravure cylinder |
US3359940A (en) * | 1965-09-17 | 1967-12-26 | Beloit Corp | Blade holding mechanism for coaters |
DE2825907B2 (de) * | 1978-06-13 | 1981-02-26 | Jagenberg-Werke Ag, 4000 Duesseldorf | Vorrichtung zum Aufbringen einer Beschichtung auf eine Materialbahn |
DE2845036A1 (de) * | 1978-10-16 | 1980-04-17 | Jagenberg Werke Ag | Vorrichtung zum kontinuierlichen gleichzeitigen aufbringen von beschichtungen konstanter dicken auf beide seiten einer materialbahn |
DE3311999A1 (de) * | 1983-04-02 | 1984-10-11 | J.M. Voith Gmbh, 7920 Heidenheim | Streicheinrichtung zur beschichtung laufender warenbahnen |
DE3513063A1 (de) * | 1985-04-12 | 1986-10-16 | Jagenberg AG, 4000 Düsseldorf | Streicheinrichtung zur beschichtung von entlang einer gegenwalze gefuehrten warenbahn, insbesondere papierbahnen |
DE3825816A1 (de) * | 1988-07-29 | 1990-02-01 | Jagenberg Ag | Vorrichtung zum kontinuierlichen beschichten einer um eine gegenwalze gefuehrten materialbahn |
US4919756A (en) * | 1988-08-26 | 1990-04-24 | The Procter & Gamble Company | Method of and apparatus for compensatingly adjusting doctor blade |
FI886062A (fi) * | 1988-12-30 | 1990-07-01 | Valmet Paper Machinery Inc | Vinkelkompensationsanordning foer schaberblad. |
SE469034B (sv) * | 1991-09-02 | 1993-05-03 | Valmet Karlstad Ab | Anordning foer justering av kraeppningsbetingelserna |
SE469035B (sv) * | 1991-09-16 | 1993-05-03 | Valmet Karlstad Ab | Foerfarande och anordning foer justering av kraeppningsbetingelserna |
US5512139A (en) * | 1993-12-08 | 1996-04-30 | Beloit Technologies, Inc. | Method and device for making tissue |
US5507917A (en) * | 1994-05-24 | 1996-04-16 | Beloit Technologies, Inc. | Doctor for creping tissue |
-
1994
- 1994-05-27 DE DE4418464A patent/DE4418464C2/de not_active Expired - Fee Related
-
1995
- 1995-05-12 EP EP95107240A patent/EP0684338B1/de not_active Expired - Lifetime
- 1995-05-12 AT AT95107240T patent/ATE185177T1/de active
- 1995-05-12 ES ES95107240T patent/ES2138107T3/es not_active Expired - Lifetime
- 1995-05-12 DE DE59506927T patent/DE59506927D1/de not_active Expired - Lifetime
- 1995-05-30 US US08/453,267 patent/US5868841A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59506927D1 (de) | 1999-11-04 |
DE4418464C2 (de) | 1995-07-06 |
EP0684338A2 (de) | 1995-11-29 |
EP0684338A3 (de) | 1997-04-23 |
ES2138107T3 (es) | 2000-01-01 |
US5868841A (en) | 1999-02-09 |
DE4418464A1 (de) | 1994-12-08 |
ATE185177T1 (de) | 1999-10-15 |
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