CN108221451B - Equipment for replacing the fabric in web forming machine - Google Patents
Equipment for replacing the fabric in web forming machine Download PDFInfo
- Publication number
- CN108221451B CN108221451B CN201711329705.8A CN201711329705A CN108221451B CN 108221451 B CN108221451 B CN 108221451B CN 201711329705 A CN201711329705 A CN 201711329705A CN 108221451 B CN108221451 B CN 108221451B
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- Prior art keywords
- frame
- equipment
- fabric
- transfer device
- erecting
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Classifications
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- 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
- D21F7/001—Wire-changing arrangements
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- Paper (AREA)
- Treatment Of Fiber Materials (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
The present invention relates to a kind of equipment for replacing the fabric in web forming machine.The equipment is arranged for being assemblied in the frame system of web forming machine.The equipment is furnished with for shifting two of fabric (14) transfer devices (18) positioned opposite.The equipment also includes erecting equipment (19), for being that the fabric (14) form transfer section (20) between transfer device (18).Each transfer device (18) is furnished with frame (21), and frame is arranged to a part of erecting equipment (19).To frame (21) equipped with fastening stopper section (22), for connecting transfer device (18) with frame system (10).Additionally, dismountable intermediate structure (23) are provided in order to replace fabric (14) between frame (21), intermediate structure is arranged for the weight bearing of bearing frame system (10).
Description
Technical field
The present invention relates to a kind of equipment for replacing the fabric in web forming machine, which is arranged for being packed into width
The frame of material forming machine, the equipment are furnished with:
- two transfer devices positioned oppositeFor shifting fabric；And
Erecting equipment, for forming transfer section between transfer device for fabric
And each transfer device is furnished with frame, which is arranged to a part of erecting equipment.
Background technique
Such as the prior art is described in European patent document number 1866479.In relevant solution, transfer
Device is disposed in special outer framework, which is arranged to a part of the frame system of fiber web machine.It is additional
Ground, transfer device are in inside outer framework.In order to form transfer section, which has erecting equipment.In solution party above-mentioned
In case, the pressure chamber being fitted into each transfer device is not only applied, but also applies the raising being arranged in inside outer framework
Device.Formed shift section after, fabric can be transferred by means of transfer device by frame system, and therefore web at
Fabric is replaced in shape machine.During operation, outer framework carries the load of frame system, and erecting equipment is in no and frame
In the case where fixed contact in resting position.
Erecting equipment needs many installation spaces and necessary periodic maintenance, this is only in the engineering repair works for removing the equipment
It is feasible.Particularly, the oil used in raising device polluted the ambient enviroment of the equipment in leakage.Raising device and pressure
The lifting capacity of chamber is insufficient and stroke is very short, because of the sky that erecting equipment is limited in contention with the frame for surrounding the erecting equipment
Between.These all limit the application of the device and replacement fabric are become difficult.Particularly, the lift carried out using raising device
It rises so that fabric replacement is slack-off.Additionally, outer framework is a big structure.Generally, it is considered that component there are four equipment tools,
In, but also failure origination interval becomes shorter.But simultaneously, the production capacity of the equipment is limited and the equipment includes
Many various automation types.
Summary of the invention
The purpose of the present invention is to propose to a kind of for replacing the novel device of the fabric in web forming machine, and the equipment is still
It is more more effective than equipment in the early time and more durable.It can be derived that the feature of equipment according to the present invention from specification.According to this
In the equipment of invention, the characteristic of these components can be used in a manner of new and is unexpected.Here, much according to existing
The component of technology can be excluded completely or at least be replaced by better component.Herein, it is possible to reduce component count and simultaneously
Improve the production capacity of the equipment.The convenience of maintenance also increases, but the quantity for the object that should be maintained is decline
And can be interchangeable with one another component quantity be improve.Meanwhile manufacturing accuracy compared with prior art no longer so
Strictly.Final result is that reliably and effectively equipment, the equipment can be readily disposed in different positions for a kind of function.
Detailed description of the invention
The present invention is described with carrying out details below according to the attached drawing for showing an embodiment of the present invention.
Fig. 1 from side come observation place show fiber web machine press section (Presspartie) frame example,
From Left-Tilt, observation place is shown in the position during equipment according to the present invention is in operation Fig. 2 a forward,
The equipment that Fig. 2 b shows Fig. 2 a is in the position during replacement,
Observation place is shown in the position during equipment according to the present invention is in operation before Fig. 3 a is tilted towards from the right,
Fig. 3 b shows the cross section of the equipment in the position according to the present invention in during operation,
The equipment that Fig. 3 c shows Fig. 3 b is in the position during replacement,
Fig. 4 a carrys out observation place from the first side and shows the frame of the transfer device according to the present invention after machine processing,
Fig. 4 b shows the frame of Fig. 4 a from the other side observation place of frame.
Specific embodiment
Fig. 1 carrys out the example that observation place shows the press section of fiber web machine from guidance side.Press section is furnished with frame system
10, which has girder construction 11 and 12.Especially by standing beam come bearing load, these standing beams can also be obliquely
Arrangement.There are two press apparatus 13 for press section tool, the two press apparatus all include two fabrics 14.It is configured to infinite time
The fabric 14 on road is carried by the roller 15 supported on frame system 10.Fiber web machine usually has multiple fabrics, fabric shape
At a closed circuit, fabric must be replaced when needed.Fiber web machine is for example understood to paper machine, lap machine and paper pulp
Machine and belt calender, with replaceable fabric.In addition, the fabric circuit of closure is the sieve on web forming section
Son and felt and conveyer belt on press section.
In the frame system 10 on guidance side, it is disposed with immigration device in the foregoing embodiment
(Einfahreinrichtungen), these move into device and are next called equipment for short.The equipment be used to replace web at
Fabric and the equipment in shape machine are arranged for being fitted into the frame system 10 of web forming machine.Show in principle in Fig. 1
Equipment 16 is gone out.In addition to these equipment, frame system 10 is furnished with intermediary element 17, these intermediary elements quilt when replacing fabric
Disassembly.
The equipment according to the present invention loosened from the frame of fiber web machine is shown in Fig. 2 a-2b.The equipment is with useful
In two transfer devices 18 positioned opposite of transfer fabric 14.Additionally, which is furnished with erecting equipment 19, for shifting
Transfer section 20 (Fig. 3 b and 3c) is formed between device 18 for fabric 14.In practice, transfer section can be realized fabric and pass through
The transfer of frame system.In addition, each transfer device 18 is furnished with frame 21, which is arranged to one of erecting equipment 19
Point.According to the present invention, to frame 21 equipped with fastening stopper section 22, the fastening stopper section is for making transfer device 18 and frame system
10 connections.Additionally, dismountable intermediate structure 23 is provided with to replace fabric between frame 21, the intermediate structure quilt
Weight bearing for bearing frame system 10 is set.By the unexpected structure, can fully phase out using outer framework first.
Secondly as be arranged in the intermediate structure between the frame of transfer device, by the small stroke that is carried out by means of erecting equipment
Made to shift section to be enough.Due to the new-type carrying to weight bearing, the equipment is smaller than before and significant lower.
In Fig. 2 a, the equipment be in operation during a position in, and these transfer devices on two edges by
It is connected to each other in locking member 24, these locking members are locked out plate herein.Advantageously, pull rod or hanging ring also can be used
ScrewAs locking member, they can be swapped out, therefore they are not on path.Due to this
Screw solution, the frame of the equipment are pulled together after can lifting what is carried out using raising device, and so that
The equipment accelerates to drop in the position during running.Locking member prevents frame mutually moving and making frame during operation
System is although vibration and load but remain at together.During operation, intermediate structure be between frame and carry herein from
The weight bearing that frame comes.Preferably, locking member energy quick locking and can connect with the equipment.Here, locking member is dismantled
It is easy and locking member will not be lost.In general, transfer equipment and intermediate structure are together with locking member by fastening conduct
A part of the frame system of press apparatus.
When replacing fabric, the thumb screw 25 for constituting the lockplate of the locking member of aforementioned embodiments is released simultaneously
Replace lockplate.Lockplate is substituted, other locking member also can be used.After releasing, the mutual distance of transfer device,
Precisely the mutual distance of the frame of transfer device is extended.In practice, enough strokes are 0.5mm-5mm.Here, this
A little frames are away from each other, wherein can remove the intermediate structure between frame.Therefore transfer section is formed between frame, this
Fabric be can be realized by means of the transfer of transfer device.Before shifting fabric, end valve is additionally made to be pivoted to "ON" position
It sets.End valve 26 is in the rear part and preceding part of the equipment and end valve and top transfer device in the case
On hinge connection, and when end valve is pivoted in "ON" position, these end valve be locked in be previously mentioned it is upper
On portion's transfer equipment (Fig. 2 b).In Fig. 2 a, end valve 26 is in off-position.End valve prevents water and dirt to flow
To inside the equipment.Contaminated equipment is avoided herein, and this reduces the demands to maintenance.
In the foregoing embodiment, intermediate structure 23 is made of two laths 27, the two laths are arranged in transfer device
Outside 18.Here, being left as far as possible each other by the supporting point that lath is formed, this in turn improves the stability of the equipment.
Meanwhile the weight bearing of frame system is passed by lath, the burden without aggravating erecting equipment.Here, during avoiding operation
To the stress of erecting equipment.In other words: erecting equipment is only needed when replacing fabric.In Fig. 2 b, between frame 21
Lath 27 is removed and has been pivoted 90 °, and is fastened to below transfer section 20 just in lower part transfer device 21.
In other words, lath 27 is removed between frame 21, is arranged to fabric guide device.When shifting new fabric, lath will
Fabric directs on transfer section.Lath with a thickness of 5mm-20mm, preferably 10mm-15mm.Lamellar is firm, but
The transfer section of enough spaciousnesses is easy to get when removing lath.Additionally, lath has little influence on the total height of the equipment, because
It is 315mm for the plan height of the equipment.The few even 100mm of the size than in the prior art.
The width and length of intermediate structure form the region of the bearing load between frame.Simple lath also carries
Vertical weight bearing.It is preferable that there is wedge structure 28 between lath 27 and frame 21.Then, lath also receives horizontal force,
Wherein it is possible to eliminate the mutual movement of frame.Correspondingly, when frame and intermediate structure decline together, wedge-type shape controller chassis
Frame structure and make frame structure centering.Preferably, wedge structure 28 is constructed by means of the protrusion 29 being arranged in lath 27,
And corresponding recessed portion 30 is arranged in frame 21 (Fig. 4 b).In Fig. 3 b, lath 27 is just on the position of wedge structure 28
It is laterally splitted, and recessed portion 30 can be also clearly visible in figure 3 c.Here, the stop surface of frame is on the position of lath
It is uniform, and more slightly lower than other frame surfaces.When what reason is the pressure from pressure vessel for not knowing
When deviation, fabric is retained between transmission tape loop (Bandschleifen), the stop surface without touching frame.Here, avoiding
Fabric is squeezed between frame and therefore avoids the damage of fabric.
In fiber web machine, which is fastened on frame system by the frame of transfer device.In Fig. 3 a, in frame
Five bolts 31 are arranged on each edge.When existing equipment is replaced by equipment according to the present invention, it is furnished with to fastening stop part
The buck plate 32 of annular.In Fig. 2 b, it is fixedly mounted with matching board 32 in the make-up of upper frame 21, which then utilizes five other spiral shells
Bolt is fastened on frame system.Corresponding buck plate can also be fastened in lower frame.In Fig. 2 b, described with dotted line
The profile of buck plate 32, and buck plate is partly laterally to be splitted.Equipment in the early time can be used by means of buck plate
Fastening position, and therefore can not to frame system carry out larger repacking work in the case where use it is according to the present invention
Equipment, equipment according to the present invention are more narrower than the prior art and lower.
Preferably, transfer device 18 is made of the bending roll 33 and transmission tape loop 34 being arranged in frame 21, the transmission
Tape loop is arranged not only around bending roll 33 around frame 21.Here, transmission tape loop is formd for fabric to be transferred
Stop surface, and the fabric can be guided by frame system by means of bending roll.Under transfer case, frame has been removed
Between intermediate structure and only the transmission tape loop of transfer device is mutually touched and touches fabric when shifting fabric.
When erecting equipment is arranged to a part of the frame of transfer device, above-mentioned function is feasible.More accurately
It says, erecting equipment 19 passes through the pressure chamber equipped with the pressure chamber 36 for utilizing pressurization 35 limits of water sealing device on frame 21
It is formed by unique erecting equipment 19 (Fig. 3 a and 3b) that raising device 37 is arranged to transfer device 18.In other words, it does not need
The hydraulic lifting device used in known equipment.Internal guard system, pressurized equipment and valve are avoided simultaneously.Preferably, to
Pressure chamber provides liquid, such as water, which plays lubricating action simultaneously, without polluting ambient enviroment.
The frame 21 of transfer device is shown in Fig. 4 b, which has the groove 38 for the water sealing device that pressurizes.It should
Groove is obviously wider than the prior art and is deep to few 1.5 times.It can be used herein more wider than pressurization water sealing device in the early time and more
High pressurization water sealing device, wherein the pressure in pressure chamber can be enhanced and therefore can improve the lifting capacity of pressure.
Now, the lifting capacity of erecting equipment according to the present invention is 500kN-2000kN.So, which can also be loaded into most
BigIn fiber web machine.It obtains bigger stroke than in the early time also simultaneously and also wants better seal.
In practice, the stroke of the total of erecting equipment is 2mm-8mm.Here, intermediate structure can be disassembled, wherein easily obtain
Obtained enough transfer sections.It can also be seen that loss of weight recessed portion 39 in Fig. 4 a and 4b, utilize the help of these loss of weight recessed portions
The quality of cast element can be reduced.In fastening bolt, loss of weight recessed portion (Fig. 3 a and 3b) also can be used.
In addition to the size arranges, the structure of sealing device is also novel.Now, in pressurization watertight made of rubber
The sliding members made of bearing plastics (Lagerkunststoff) is disposed in seal apparatus, the sliding members is corresponding to transmission
The inner surface (Fig. 3 b and 3c) of tape loop.In practice, pressure seal arrangement is infinite circuit, which is arranged in frame
In groove in and fastened using retainer.Pass through pressurization water sealing device, frame and the pressure for transmitting tape loop institute limit
Chamber is by means of pressure by conveying water, wherein the spacing between frame becomes larger.The known water sealing device that pressurizes according to prior art
It is made of the rubber with slidable coating, which can become have very much frictional property in case of wear.According to this hair
In bright pressurization water sealing device, the part for changing shape of lowest part is also made of rubber, thus by means of fluid pressure
It can control the stroke of pressurization water sealing device.Correspondingly, pressurize water sealing device upper part from the downside of retainer
Start to be made of bearing plastics, the abrasion of the bearing plastics does not influence to rub.In practice, only pressurize water sealing device top
Part extends except retainer, and nethermost part retains in the trench.
Sealing device in Fig. 3 b and 3c can jointly realize that the hydraulic of pressure chamber lifts work with metal tape.The sealing
Device can be 2 component seals as aforementioned, wherein opposing metallic band is bearing plastics and is thereunder
Rubber, the shape of the rubber are changed the installation that can be realized the protrusion of sealing device by means of hydraulic pressure and therefore realized
The stroke.Preferably, special load sealing device is also used below slidingtype pressurization water sealing device
(Belastungsdichtung) (not shown).Here, the protrusion of load sealing device can by means of pressure, for example using
Air pressure is automatically adjusted independently of the hydraulic coupling of the chamber.
In the device in accordance with the invention, the water leakage sealing device 40 with corresponding structure is in pressurization water sealing device
Other than 35 outer ring, which, which also has in frame 21, keeps groove 41 (Fig. 3 c and Fig. 4 b).Here, leak is close
Seal apparatus is sealed as pressurization water sealing device, wherein can be to avoid leakage.Additionally, when under the pressure in pressure chamber
When drop, two sealing devices are returned in their groove.When being packed into, sealing device is adapted in their groove, and
And retainer is secured on sealing device, lifting for sealing device of these retainer limits.
The adapter tube guided in pressure chamber is shown in fig. 3 a.The frame of two transfer devices 21 has input terminal 42 and returns
Go back to end 43.It is readily to connect pressure line (Drucklinien) with the equipment herein.On the opposite side of the equipment,
Hydraulic motor 44 (Fig. 2 a) is provided on the bending roll of the transfer device of lower part.The input pipe and recurrent canal of hydraulic motor are arranged
Except frame.Here, the pipeline on the inside of frame and usually said equipment can be cancelled.Therefore, when the equipment
When being fastened on frame system, which can be even maintained.Here, hydraulic motor is additionally coupled side by side, wherein
It can control two hydraulic motors by means of unique valve.Meanwhile these motors rotate at the same speed in same direction.
Other than omitting outer framework, the frame of transfer device is also simpler and smaller.Frame 21 is shown in Fig. 4 a.In
Elevated portion 45 is provided on the edge of frame 21, these elevated portions are evenly treated within the entire length and are milled into fastening stopper section 22.It is attached
Add ground, the recessed portion 46 for bending roll 33 is provided in frame 21.Here, being used to support eyelet needed for bending rollIt is configured to very short, which improve the stability of the structure.Preferably, it is also used between frame and frame system
Wedge structure, wherein the connection is also with resistanceAnd it is gapless.
In addition to above-mentioned end valve, the equipment also furthermore than being better protected in the early time.Each bending roll passes through end
The side plate 48 that portion's shell 47 is protected and frame facet can be dismantled covers (Fig. 2 a).Here, equipment quilt in surrounding
Protection, this is caused: water or dirt cannot invade inside the equipment during operation.
Equipment according to the present invention than needing less space for assembling in the early time.Additionally, the equipment is during operation
It is load that is firm and carrying frame system.If the frame of transfer device is adapted to make it and carries weight bearing, can
To save outer framework completely.In addition to this, enough transfer sections are obtained by using intermediate structure.Additionally, short row
Journey for constitute intermediate structure be it is enough, which is also rapidly and effectively.Various hydraulic are no longer needed simultaneously
Rise device.Pressure chamber ratio is more effective in the early time and more seals.Additionally, wide sealing device allows for frame system in the replacement fabric phase
Between larger movement.But the reset by intermediate structure and the locking by transfer device, it produces accurate and there is resistance
The connection of power, the connection withstand the load of frame system during operation.During operation, the equipment and especially this turn
Moving device is protected well and under non-load condition.
Claims (8)
1. a kind of equipment for replacing the fabric in web forming machine, the equipment are arranged for being mounted on web forming machine
Frame system (10) in, the equipment is furnished with:
- two transfer devices (18) positioned opposite, for shifting the fabric (14)；And
Erecting equipment (19), the erecting equipment are used between the transfer device (18) be that the fabric (14) formation turns
It moves section (20),
And each transfer device (18) is furnished with the frame (21) of a part for being arranged to the erecting equipment (19), feature
It is, to the frame (21) equipped with the fastening backstop for the transfer device (18) to be connect with the frame system (10)
Portion (22), and the intermediate structure (23) for being arranged for replacing the fabric (14) is disposed between the frame (21),
The intermediate structure is arranged for carrying the weight bearing of the frame system (10), wherein the intermediate structure (23) is by two
Lath (27) is constituted, and described two laths are arranged in the transfer device (18) outside,
Wherein, the transfer device (18) is by the bending roll (33) that is arranged in the frame (21) and transmission tape loop (34) structure
At, the transmission tape loop is not only arranged around the bending roll (33) but also around the frame (21),
Wherein, the erecting equipment (19) is furnished on the frame (21) by means of pressurization water sealing device (35) institute limit
Pressure chamber (36) is formed by unique raising that raising device (37) is arranged to the transfer device (18) by the pressure chamber
Equipment (19),
Wherein, there are water leakage sealing device (40) in the outer ring disposed outside of pressurization water sealing device (35), the leak is close
Seal apparatus has on the frame (21) keeps groove (41).
2. equipment according to claim 1, which is characterized in that described equipped with being fastened to the fastening stopper section (22)
Cyclic annular buck plate (32) on frame (21).
3. equipment according to claim 1 or 2, which is characterized in that being provided between the frame (21) can dismantle
Locking member (24), the locking member are used to for the frame (21) connecting with the structure for carrying the weight bearing.
4. equipment according to claim 1, which is characterized in that the frame (21) has for the bending roll (33)
Recessed portion (46).
5. equipment according to claim 2, which is characterized in that arranged between the lath (27) and the frame (21)
There are wedge structure (28).
6. equipment according to claim 2, which is characterized in that the lath (27) is moved between the frame (21)
It removes, is arranged to fabric controller.
7. equipment according to claim 1 or 2, which is characterized in that the stroke of the total of the erecting equipment (19) is
2mm-8mm。
8. equipment according to claim 1 or 2, which is characterized in that the lifting capacity of the total of the erecting equipment (19)
For 500kN-2000kN.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20166007A FI127216B (en) | 2016-12-21 | 2016-12-21 | A device for replacing fabric with a web forming machine |
| FI20166007 | 2016-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108221451A CN108221451A (en) | 2018-06-29 |
| CN108221451B true CN108221451B (en) | 2019-11-15 |
Family
ID=61009224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711329705.8A Active CN108221451B (en) | 2016-12-21 | 2017-12-13 | Equipment for replacing the fabric in web forming machine |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN108221451B (en) |
| AT (1) | AT519484B1 (en) |
| DE (1) | DE102017130286A1 (en) |
| FI (1) | FI127216B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9206152U1 (en) * | 1992-05-12 | 1992-07-16 | J.M. Voith Gmbh, 7920 Heidenheim | Machine frame |
| FI117397B (en) | 2005-04-05 | 2006-09-29 | Metso Paper Inc | Method and apparatus for exchanging a tissue in a paper or cardboard machine |
| DE102006022028A1 (en) * | 2006-05-10 | 2007-11-15 | Voith Patent Gmbh | Apparatus and method for drawing a strip into a machine, in particular a paper machine, and a drawing-in method |
| FI118479B (en) * | 2006-06-13 | 2007-11-30 | Metso Paper Inc | A method, a lift, and an arrangement for replacing fabric in a web forming machine, and a corresponding web forming machine |
| FI119599B (en) * | 2007-04-20 | 2009-01-15 | Metso Paper Inc | A system for replacing a fabric / belt with a forming machine, a lift used for replacing a fabric / belt with a forming machine, and a method for replacing the fabric / belt in a forming machine |
| FI122220B (en) * | 2009-11-05 | 2011-10-14 | Metso Paper Inc | Arrangement and arrangement in the body of a fiber web machine |
| BR112012009421A2 (en) * | 2009-11-06 | 2021-01-05 | Metso Paper Inc. | APPLIANCE TO INSERT OR REMOVE A WIRELESS FLEXIBLE MAT FROM AN INDUSTRIAL MACHINE, INDUSTRIAL MACHINE, METHOD TO INSERT OR REMOVE A WIRELESS FLEXIBLE MAT FROM AN INDUSTRIAL MACHINE, METHOD FOR MODIFYING AN INDUSTRIAL MACHINE AND MACHINE |
| DE202009015980U1 (en) * | 2009-11-24 | 2010-03-04 | Metso Paper, Inc. | Replacement device for exchanging a flexible sheath, belt or sieve |
-
2016
- 2016-12-21 FI FI20166007A patent/FI127216B/en active IP Right Grant
-
2017
- 2017-12-13 CN CN201711329705.8A patent/CN108221451B/en active Active
- 2017-12-18 DE DE102017130286.7A patent/DE102017130286A1/en active Pending
- 2017-12-18 AT ATA51042/2017A patent/AT519484B1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| AT519484A3 (en) | 2018-08-15 |
| AT519484B1 (en) | 2018-11-15 |
| FI20166007A (en) | 2018-01-31 |
| AT519484A2 (en) | 2018-07-15 |
| CN108221451A (en) | 2018-06-29 |
| DE102017130286A1 (en) | 2018-06-21 |
| FI127216B (en) | 2018-01-31 |
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