CN101432482B - Device for threading a processing installation, such as a dryer - Google Patents
Device for threading a processing installation, such as a dryer Download PDFInfo
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- CN101432482B CN101432482B CN2007800154277A CN200780015427A CN101432482B CN 101432482 B CN101432482 B CN 101432482B CN 2007800154277 A CN2007800154277 A CN 2007800154277A CN 200780015427 A CN200780015427 A CN 200780015427A CN 101432482 B CN101432482 B CN 101432482B
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- 238000009434 installation Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000005021 gait Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 8
- 230000035611 feeding Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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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
- D21G9/00—Other accessories for paper-making machines
- D21G9/0063—Devices for threading a web tail through a paper-making machine
Abstract
A device (1) for feeding web material through a processing installation comprises a conveyor belt (28) which has a first segment (30) and a second segment (32). An opening roller and a guiding surface are adapted for unfolding the conveyor belt (28) by means of separating the first and second segments (30, 32). A spreader roll (12) is adapted to keep the conveyor belt (28) unfolded while a tail (58) of said web material is placed on said first segment (30). A folding roll (26) is adapted for folding said second segment (32) over said first segment (30) for to enclose the tail (58) in the conveyor belt (28). The spreader roll (12) comprises a first roll portion, a second roll portion and a circumferential guiding track separating the roll portions. The first roll portion, which is adapted for supporting said first segment (30), has a cylindrical outer surface (16).
Description
Technical field
The present invention relates to a kind of device that is used for the web material feeding being crossed the treatment facility such as the pulp dryer device by means of conveyer belt, this conveyer belt is divided into flat substantially first section (segment) and flat substantially second section along its longitudinal direction, device comprises opening feature and guide surface, this guide surface is seen the downstream that is positioned at opening feature from the direct of travel of conveyer belt, opening feature is suitable for by separating first and second sections expansion conveyer belts with guide surface, device also is provided with spreader roll, this spreader roll is positioned at the downstream of guide surface, and be suitable for when the tail of described web material is placed on described first section, keeping conveyer belt to launch, folding means is positioned at the downstream of spreader roll, and is suitable for described second section is folded on described first section so that tail is wrapped in the conveyer belt.
Background technology
When form and the dry paper web that resembles cellulose pulp web and so on-during moulding material, paper web-moulding material is processed in different unit.For example, cellulose pulp production plant can comprise: the wet forming platform wherein, comprises that the slurry of cellulose fibre is processed, to form wet cellulose-based fiber paper web; With the pulp dryer device, wherein, wet web is by being dried to the paper web blow warm air.When starting, and when the paper web occasional breakage, paper web must be delivered to drier from the wet forming platform.When transmitting paper web, normally at first form tail at the wet forming platform, also be called leadd strips.Then, tail is delivered to drier, and enters drier.When tail successfully is passed to drier, tail can be widened gradually, the paper web of so final full duration is transferred to drier from the wet forming platform.
US 3,759,434 under Aktiebolaget Svenska Flaktfabriken name has described a kind of being used for and has carried web material by folding conveyer belt, makes it pass through the device of treatment facility.Folding conveyer belt is unfolded, and is directed on guide roller and another roller.Guide roller and described another roller all have the part that outwards phases down, to guarantee that conveyer belt keeps launching.After described another roller, make tail be fed into the part of the conveyer belt of expansion.By means of the next roller that is positioned at described another roller downstream, the second portion of conveyer belt is folded on the tail, this tail remains in the described first by means of other roller, thus tail is wrapped between the first and second portion of conveyer belt.
What is interesting is, for the feed arrangement of treatment facility provides the tail auto-feed.Yet, have been found that tail tends to skid off US 3,759, the conveyer belt of 434 device.Thereby operating personnel must manually be fed into tail in the conveyer belt, and operating personnel necessary tail position on horizontal plane of regulating during tail feeding process, so that make tail correctly be arranged in folding conveyer belt.
Summary of the invention
The purpose of this invention is to provide a kind of being used for by carry the device of web material such as the treatment facility of pulp dryer device, described device has a mechanism, the feasible operating personnel that might save the tail position in a horizontal plane of manual adjustments web material during the tail course of conveying.
This purpose is by realizing according to the described a kind of device of preorder, and this device is characterised in that, spreader roll comprises first roller segment, second roller segment and the circumferential guide rail that first roller segment is separated with second roller segment, described first roller segment is suitable for supporting described first section, described second roller segment is suitable for supporting described second section, and first roller segment has cylindrical outer surface.
Advantage of the present invention is, when installing in operation, tail stably is placed on first section of conveyer belt, on first roller segment that this first section is supported on spreader roll, is folded on first section the top so that tail is wrapped between first section and second section up to second section.Thereby, reduce the danger of tail feeding procedure failure.With respect to other possible solution,, the invention provides a kind of solution that tail or conveyer belt is not applied any additional wear as using the vertically-guided plate of guiding tail horizontal level.
According to preferred embodiment, to comprise that also retainer belt, this retainer belt are arranged to adjacent with spreader roll for device, advances abreast for first section that is suitable for conveyer belt, and be suitable for keeping tail to be pressed on described first section, up to described second section fold into described first section go up till.The advantage of retainer belt is, it provides tail is kept the efficient way that puts in place, up to second section be folded on first section the top till.Additional advantage is that retainer belt makes tail suffer MIN wearing and tearing, reduces the danger that tail is disconnected thus.Retainer belt also has makes tail press to the ability of conveyer belt in one section long distance, thereby make tail keep being close to first section of conveyer belt safely, till when just in time being folded on first section the top for second section, so that tail is wrapped between first section and second section.
More preferably, described retainer belt is suitable for advancing by first pulley and second pulley, sees that from the direct of travel of conveyer belt second pulley is positioned at the downstream of first pulley, and first pulley has cylindrical outer surface.The advantage of this embodiment is that the cylindrical outer surface of first pulley combines with the cylindrical outer surface of first roller segment of spreader roll, forms the flat nip (nip) of level between first section of the conveyer belt retainer belt adjacent with same first pulley.The concora crush district of level makes it clamp tail easily, and increases the tail be fed into nip and pushed ahead to the chance of handling in the facility by means of conveyer belt.And in case tail is hunted down, the danger that tail skids off from nip also can reduce.
Preferably, second pulley has arc-shaped outer surface.Such advantage is, second pulley with arc-shaped outer surface automatically keeps retainer belt to put in place, thereby makes its first and second pulley that are not easy to slip away.
According to preferred embodiment, driving mechanism is suitable for driving retainer belt.The advantage of this embodiment is that this drives the driving mechanism of a pulley, for example is that motor, driving-chain or driving shaft can reduce the frictional force on the tail, and the increase tail successfully is captured in the chance in the nip.
According to preferred embodiment, the outer surface of described second roller segment outwards phases down from guide rail.Second roller segment of spreader roll supports second section of conveyer belt, and when just in time folding on first section for second section, this second section does not contact with tail.Thereby, do not have slip away second section problem of conveyer belt of tail, thereby the outer surface of second roller segment of spreader roll needs not to be columniform.On the contrary, provide outwards phase down outer surface second roller segment before second section expectation folds on first section, will reduce to fold into the danger on first section.Be sure of reason that this too early folding danger reduces be first section and second section when crossing spreader roll maintenance greater than 180 ° separate.Thereby having second roller segment that outwards phases down outer surface provides more controlled operation.
More preferably, the outer surface of described second roller segment is conical outer surface or arc-shaped outer surface.Verified second roller segment with conical outer surface or arc-shaped outer surface, with regard to safety and controlled operation, promptly when make second section of conveyer belt to fold into regard to first section of conveyer belt go up, provide the best way that outwards phases down outer surface of second roller segment with regard to the Position Control of conveyer belt and control.
Preferably, at least one in described first roller segment and described second roller segment provides annular knurl on its outer surface.The advantage of this embodiment is that annular knurl guarantees that the peripheral speed of spreader roll will be identical with the speed of service of conveyer belt, or very approaching with the speed of service of conveyer belt at least.Thereby, can guarantee that conveyer belt is pasting guide surface rather than pasting the spreader roll slip.
Description of drawings
To the present invention be described in more detail referring now to accompanying drawing, in the accompanying drawings:
Fig. 1 a is a diagrammatic side view, and shows the tail conveyor device of seeing from the side.
Fig. 1 b is an enlarged side view, and shows the position toward each other of two rollers.
Fig. 2 is a diagrammatic top view, and shows the tail conveyor device of seeing from the top.
Fig. 3 a is an amplification view, and shows according to spreader roll of the present invention, that see from the direction of the arrow III-III of Fig. 1 a.
Fig. 3 b is an amplification view, and shows the spreader roll according to the prior art design.
Fig. 4 is a diagrammatic side view, and shows the tail conveyor device when promoting tail.
Fig. 5 is a diagrammatic top view, and shows the tail conveyor device when promoting tail.
Fig. 6 a is an amplification view, and shows the spreader roll according to second embodiment of the invention.
Fig. 6 b is an amplification view, and shows the spreader roll according to third embodiment of the invention.
The specific embodiment
Fig. 1 a shows being used for the tail conveyor device 1 of the tail of web material conveying by the treatment facility such as drier of seeing from the side, and this drier is not illustrated.Fig. 1 b is an enlarged schematic side view, and shows the certain thin portion of tail conveyor device 1.Fig. 2 shows and sees from the top, i.e. the tail conveyor device of seeing from the direction of the arrow II of Fig. 1 a 1.Tail conveyor device 1 is useful for the pulp dryer device of for example Andritz Pulp Dryer type being crossed in the feeding of fiber pulp web.The process that the treatment facility such as drier is crossed in the tail feeding generally is called passes treatment facility.Tail conveyor device 1 comprises the tail conveyor bar 2 that is supported on the structure 4.As shown in Fig. 1 a, tail conveyor bar 2 is provided with retaining element 6, and this retaining element 6 is fixed to tail conveyor bar 2 on the structure 4.As a kind of selection, retaining element 6 can be provided with hinge 7, is can be rotating on horizontal plane thereby make tail conveyor bar 2.Selectivity hinge 7 makes and might turn to tail conveyor bar 2 outside the position when the process of passing stops.At 8 places, end of tail conveyor bar 2, described end 8 is relative with retaining element 6, and the guide surface of guide roller 10 forms is installed in rotation on the tail conveyor bar 2.Guide roller 10 is provided with central peripheral track, and has the part that outwards phases down, and this itself is known and not expression in detail in Fig. 1 a.And spreader roll 12 is installed in rotation on the tail conveyor bar 2.Spreader roll 12 is preferably located in guide roller 10 tight back.
Fig. 1 b shows how to explain described " tight back " about guide roller 10 with respect to the position of spreader roll 12.In the present context, " tight back " is meant beeline SD, and promptly the beeline between the outer surface 16 of the outer surface 14 of guide roller 10 and spreader roll 12 is less than the maximum dimension D 1 of spreader roll 12.More preferably, the beeline SD that describes in Fig. 1 b is less than half of the maximum dimension D 1 of the spreader roll of describing in Fig. 1 b 12.Fig. 1 b also shows the maximum dimension D 2 of the maximum dimension D 1 of spreader roll 12 greater than guide roller 10.
Forward Fig. 1 a again to, driving-chain 18 is arranged in first gear 20 that is fixed in guide roller 10 and is fixed between second gear 22 of spreader roll 12.First gear 20 has the identical diameter and the number of teeth with second gear 22.Thereby guide roller 10 will rotate with identical rpm (revolutions per) with spreader roll 12.
The opening feature that arc is opened roller 24 forms is positioned at below the retaining element 6, and is supported on the structure 4.The folding means of arch-shaped folded roller 26 forms is positioned at retaining element 6 tops, and is supported on the structure 4.Tail conveyor device 1 also comprises endless foldable tail conveyor belt 28.Foldable tail conveyor belt 28 is divided into flat substantially first section 30 and flat substantially second section 32 along the longitudinal direction of tail conveyor belt 28.Fig. 2 shows the joint 34 of joint form, and this joint 34 extends along the longitudinal direction of tail conveyor belt 28.Seam is separated with second section 32 first section 30.Conveyer belt 28 is folding, this means, second section 32 can fold on first section 30 in folding process, and subsequently in expansion process second section 32 can launch from first section 30.
As clearlying show most among Fig. 1 a, conveyer belt 28 is advanced in the direction of arrow C from unshowned drier.Conveyer belt 28 at first arrives and opens roller 24.In the upstream of opening roller 24, conveyer belt 28 is in folded state, promptly is positioned at for first section 30 on second section 32 the top, as describing among Fig. 1 a.Opening roller 24 is such rollers, and promptly folding conveyer belt 28 can begin to open after it.Opening between roller 24 and the guide roller 10, conveyer belt 28 is " unpacked ", and this means, second section 32 from first section 30 expansion.Because guide roller 10 is provided with two and outwards phases down the surface, as will describing in more detail hereinafter, and this also is known in the prior art, and section 30,32 will be separated greater than 180 ° gradually.The conveyer belt 28 that is opened is walked around guide roller 10 then.Because guide roller 10 has and outwards phases down part, so the conveyer belt 28 that is opened will keep " opening " by guide roller 10 time.Downstream at guide roller 10, conveyer belt 28 is crossed spreader roll 12, described above such, this spreader roll 12 is preferably located in the tight back of guide roller 10, that is, with respect to the direct of travel of conveyer belt 28, spreader roll 12 is positioned at the downstream of guide roller 10, and preferably from guide roller 10 apart from the SD place, this is apart from the maximum dimension D 1 of SD less than spreader roll 12.Because the diameter D1 of spreader roll 12 is greater than the diameter D2 of guide roller 10, and since guide roller 10 rotate with identical rpm with spreader roll 12, so the peripheral speed of spreader roll 12 will be higher than the peripheral speed of guide roller 10.This promptly will cause certain tension force at conveyer belt 28 on that section between guide roller 10 and the spreader roll 12 in conveyer belt 28.This tension force guarantees that conveyer belt 28 correctly is opened.In the downstream of spreader roll 12, conveyer belt 28 is folded once more, as clearly illustrating that among Fig. 2.Describedly folding in conveyer belt 28 that section between spreader roll 12 and folding roller 26, fold on first section 30 and realize by second section 32.
The purpose that retainer belt 36 is set is to make tail press first section 30 of conveyer belt 28, has been folded on first section 30 up to second section 32.Retainer belt 36 is walked around cylindrical first pulley 38 and is walked around arc second pulley 40.Retainer belt 36 moves on the direction shown in the arrow in Fig. 1 a.From the direct of travel of conveyer belt 28, second pulley 40 is positioned at the downstream of first pulley 38.First pulley 38 is positioned at the downstream of spreader roll 12, as describing among Fig. 1 a.At conveyer belt 28 and with forming nip 42 between the retainer belt 36 of first pulley, 38 adjacency.
Fig. 3 a illustrates in greater detail the spreader roll 12 and first pulley of being seen by the arrow III-III direction indication among Fig. 1 a 38.Spreader roll 12 has first roller segment 44 and second roller segment 46.Circumferential guide rail 48 with groove shape of being described in Fig. 3 a separates first roller segment 44 and second roller segment 46.First roller segment 44 is applicable to first section 30 of conveyer belt 28 that supporting launches.First roller segment 44 is columniform, thereby outer surface 16 also is a cylindrical outer surface.Second roller segment 46 is suitable for supporting second section 32 of conveyer belt 28 of expansion.Second roller segment 46 is tapers, and outwards phases down from circumferential guide rail 48.Thereby second roller segment 46 also have conical outer surface 17.
Because the outer surface 16 of first roller segment 44 is columniform outer surface 17 second roller segment 46 be taper and outwards phase down from guide rail 48, conveyer belt 28 from the spreader roll 12 through out-of-date, section 30,32 will keep separating more than 180 °, as describing among Fig. 3 a.The result is the section of preventing 30,32 just to be folded each other in the too early stage.
The joint 34 of conveyer belt 28 matches with circumferential guide rail 48.The cylindrical outer surface 16 of first roller segment 44 and the conical outer surface 17 of second roller segment 46 all are provided with annular knurl, as describing among Fig. 3 a.Annular knurl on outer surfaces 16,17 guarantees that spreader roll 12 is pasting that conveyer belt 28 rolls and can slippage, guarantees that thus the peripheral speed of spreader roll 12 will be corresponding with the gait of march of conveyer belt 28.As showing among Fig. 3 a, with respect to the direct of travel of conveyer belt 28, the guide roller 10 that is positioned at spreader roll 12 upstreams is symmetrical, and is provided with two conical surfaces 50,52 that outwards phase down from guide groove 54.Guide roller 10 has smooth surface 56.Because the peripheral speed of guide roller 10 is lower than the peripheral speed of spreader roll 12, conveyer belt 28 will slide on smooth surface 56, form tension force already described above thus on one section in the conveyer belt 28 between guide roller 10 and spreader roll 12.
At first roller segment 44 and have between first pulley 38 of cylindrical outer surface 37, form nip 42 with cylindrical outer surface 16.Nip 42 has the shape in horizontal-extending opening or gap, and this opening or gap are between retainer belt 36 and conveyer belt 28 first section 30.Thereby, according to describing among Fig. 3 a, from the left end to the right-hand member, in its whole extension, have same horizontal plane at nip 42.
Fig. 3 b illustrates the spreader roll 80 according to the prior art design.Spreader roll 80 is symmetrical, and is provided with two parts 82,84, and each of these two parts 82,84 all outwards phases down from the center of spreader roll 80.Spreader roll 80 thereby have the main shape identical with guide roller 86, this guide roller 86 is positioned at the upstream of spreader roll 80 with respect to the direct of travel of conveyer belt 88.Arc keeps pulley 90 to be suitable for pressing tail to conveyer belt 88, and is folding with till wrapping up tail up to conveyer belt 88.Not shown tail among Fig. 3 b.Spreader roll 80 according to the prior art design is efficiently, as long as tail is manually to be fed in the narrow nip 92.Adopt tail from 92 feedings of trend nip, be fed into tail in the nip 92, be difficult to meet the requirements of degree of regulation.In addition, in a single day tail has been trapped in the nip 92, just may skid off nip 92 at an easy rate.
Figure 4 and 5 show the tail conveyor device 1 after the tail 58 of the web material such as cellulose pulp has been trapped in the nip 42.Under the condition that adopts according to tail conveyor device 1 of the present invention, tail 58 is captured in the nip 42 effectively.And tail 58 may skid off the dangerous minimum of nip 42.Because these facts guarantee effectively to pass treatment facility.It also is possible in the nip 42 that tail successfully is automatically fed into." automatically " be meant, the arbitrary shearing device 59 that schematically shows in Fig. 4 cuts off tails 58 and automatically with the terminal guide nip 42 of cut tail 58.Thereby, by adopting, in the process of passing, do not need manual intervention according to tail conveyor device 1 of the present invention and shearing device 59.
In Fig. 5, represent selectable motor 41.Motor 41 is suitable for driving arc second pulley 40 by axle 43, thereby motor 41 also is applicable to driving retainer belt 36.By unshowned control device, can control the rpm of motor 41, thereby the gait of march of retainer belt 36 and the gait of march of tail conveyor belt 28 are remained in the same scope.Preferably, regulate motor 41 so that the gait of march of retainer belt 36 is provided, this gait of march is in gait of march ± 3% scope of tail conveyor belt 28.Because motor 41 drives retainer belt 36 by second pulley 40, and the frictional force on the tail 58 is reduced.This causes reducing the danger that tail 58 is disconnected.Simultaneously, tail 58 has been increased by " clamping " probability between retainer belt 36 and conveyer belt 28 successfully at nip 42 places, thereby the chance that tail 58 is successfully folded on the conveyer belt 28 has increased.
In Fig. 4, represent selectable driving-chain 45.Driving-chain 45 is applicable to by spreader roll 12 and drives first pulley 38, and this spreader roll 12 is driven by tail conveyor belt 28, and under this type of drive, the gait of march of the gait of march of retainer belt 36 and tail conveyor belt 28 is similar.Thereby driving-chain 45 shown in Figure 4 is represented the solution of motor 41 shown in the alternate figures 5.
Fig. 6 a illustrates another embodiment of the present invention with the form of spreader roll 112.Spreader roll 112 has first roller segment 144 and second roller segment 146.Circumferentially guide rail 148 separates first roller segment 144 and second roller segment 146.First roller segment 144 is columniform, and its structure and function and front are similar with reference to first roller segment 44 of the spreader roll 12 that Fig. 3 a describes.Second roller segment 146 is applicable to second section 32 of the conveyer belt 28 that support to launch.Second roller segment 146 is arcs, and outwards phases down from circumferential guide rail 148.Thereby second roller segment 146 has arc-shaped outer surface 117.The outer surface of first and second roller segments 144,146 all is provided with annular knurl.
Fig. 6 b illustrates another embodiment of the present invention with the form of spreader roll 212.Spreader roll 212 has first roller segment 244 and second roller segment 246.Circumferentially guide rail 248 separates first roller segment 244 and second roller segment 246.First roller segment 244 is columniform, and its structure and function and front are similar with reference to first roller segment 44 of the spreader roll 12 that Fig. 3 a describes.Second roller segment 246 is suitable for supporting second section 32 of conveyer belt 28 of expansion.Second roller segment 246 is columniform, thereby has cylindrical outer surface 217.Therefore, with regard to the shape of first and second roller segments 244,246, spreader roll 212 is symmetrical.The outer surface of first and second roller segments 244,246 all is provided with annular knurl.
The multiple modification that it should be understood that the foregoing description all may be within the scope of the invention.
Below be described to, guide surface has the form of guide roller 10, and the peripheral speed of this guide roller 10 is lower than the gait of march of conveyer belt 28, thereby conveyer belt 28 is slided on the smooth surface 56 of guide roller 10.Substitute as a kind of of guide roller 10, can dispose the guide surface of smooth steel plate form.This guide surface has guide rail and two and outwards phases down part.Smooth steel plate is not rotated, thereby makes conveyer belt slide on its smooth surface, and a section to the conveyer belt 28 between smooth steel plate and the spreader roll 12 in the smooth steel plate downstream provides desirable tension force thus.
Be described to reference to Fig. 5, motor 41 is used for driving second pulley 40.It should be understood that motor,, can be suitable for driving first pulley 38 as selection example for motor 41.Alternative selection example provides driving-chain, and the driving-chain of for example describing in Fig. 4 45 perhaps is provided for driving from any the driving shaft in the drive pulley 38,40 of spreader roll 12.Like this, with regard to how configuration driven mechanism has the multiple choices example, as motor 41, driving-chain 45 or driving shaft.For make retainer belt 36 can with the similar speed of the tail conveyor belt 28 gait of march this purpose of advancing, this driving mechanism is suitable for driving retainer belt 36.
Below be described to, opening feature is to open the form setting of roller 24, and folding means is with the form setting of folding roller 26.It should be understood that the opening feature and the folding means that can use other type, the steel plate that can slide as conveyer belt 28 thereon.To open roller 24 as opening feature and folding roller 26 is normally preferred as folding means, its reason is respectively that friction is little, effectively launches and folds.
Abovely be described to reference to Fig. 4, shearing device 59 is used for cutting off tail and the end of the tail that cuts off is fed to nip 42.As selecting example, the artificial cut-out and the tail conveyor device of the present invention 1 of tail might be combined use.Under the situation in conjunction with utilization, operating personnel can cut off tail 58, and the end of the tail 58 that cuts off is fed to nip 42.But do not need to regulate continuously the position of tail 58 in nip 42 further passing process manipulate personnel.
Claims (14)
1. one kind is used for by means of the device of collapsible conveyer belt (28) by treatment facility conveying web material, this conveyer belt (28) is divided into first section flat substantially (30) and second section flat substantially (32) along its longitudinal direction, described device comprises opening feature (24) and guide surface (10), this guide surface (10) is seen the downstream that is positioned at opening feature (24) from the direct of travel of conveyer belt (28), opening feature (24) is suitable for by separating first and second section (30 with guide surface (10), 32) launch conveyer belt (28), described device also is provided with spreader roll (12), this spreader roll (12) is positioned at the downstream of guide surface (10), and being suitable for tail (58) in described web material is placed on when go up described first section (30) and keeps conveyer belt (28) to launch, folding means (26) is positioned at the downstream of spreader roll (12), and be suitable for described second section (32) are folded on described first section (30), so that tail (58) is put into conveyer belt (28)
It is characterized in that, spreader roll (12) comprises first roller segment (44), second roller segment (46) and the circumferential guide rail (48) that first roller segment (44) and second roller segment (46) are separated, described first roller segment (44) is suitable for supporting described first section (30), described second roller segment (46) is suitable for supporting described second section (32), and first roller segment (44) has cylindrical outer surface (16).
2. device according to claim 1, this device (1) also comprises retainer belt (36), it is adjacent with spreader roll (12) that this retainer belt (36) is arranged to, and be suitable for and advance abreast first section (30) of conveyer belt (28), and be suitable for keeping tail (58) to press described first section (30), be folded on described first section (30) up to described second section (32).
3. device according to claim 2, wherein, described retainer belt (36) is suitable for advancing on first pulley (38) and second pulley (40), direct of travel from conveyer belt (28), second pulley (40) is positioned at the downstream of first pulley (38), and first pulley (38) has cylindrical outer surface (37).
4. device according to claim 3, wherein, second pulley (40) has arc-shaped outer surface.
5. according to each described device among the claim 2-4, wherein, driving mechanism (41,43; 45) be suitable for driving retainer belt (36).
6. according to each described device among the claim 2-4, wherein, described second roller segment (46; 146) outer surface (17; 117) outwards phase down from guide rail (48).
7. device according to claim 6, wherein, described second roller segment (46; 146) outer surface is conical outer surface (17) or arc-shaped outer surface (117).
8. according to each described device among the claim 2-4, wherein, described first roller segment (44; 144; 244) and described second roller segment (46; 146; 246) at least one in is at its outer surface (16,17; 117; 217) be provided with annular knurl.
9. device according to claim 1, wherein, described treatment facility is the pulp dryer device.
10. device according to claim 5, wherein, described second roller segment (46; 146) outer surface (17; 117) outwards phase down from guide rail (48).
11. device according to claim 10, wherein, described second roller segment (46; 146) outer surface is conical outer surface (17) or arc-shaped outer surface (117).
12. device according to claim 5, wherein, described first roller segment (44; 144; 244) and described second roller segment (46; 146; 246) at least one in is at its outer surface (16,17; 117; 217) be provided with annular knurl.
13. device according to claim 6, wherein, described first roller segment (44; 144; 244) and described second roller segment (46; 146; 246) at least one in is at its outer surface (16,17; 117; 217) be provided with annular knurl.
14. device according to claim 7, wherein, described first roller segment (44; 144; 244) and described second roller segment (46; 146; 246) at least one in is at its outer surface (16,17; 117; 217) be provided with annular knurl.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0600940A SE529834C2 (en) | 2006-04-28 | 2006-04-28 | Device for threading a process installation such as a dryer |
| SE06009401 | 2006-04-28 | ||
| SE0600940-1 | 2006-04-28 | ||
| PCT/SE2007/000362 WO2007126353A1 (en) | 2006-04-28 | 2007-04-18 | Device for threading a processing installation, such as a dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101432482A CN101432482A (en) | 2009-05-13 |
| CN101432482B true CN101432482B (en) | 2011-04-20 |
Family
ID=38655791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800154277A Active CN101432482B (en) | 2006-04-28 | 2007-04-18 | Device for threading a processing installation, such as a dryer |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20090199990A1 (en) |
| EP (1) | EP2013414B1 (en) |
| CN (1) | CN101432482B (en) |
| BR (1) | BRPI0711066B1 (en) |
| CA (1) | CA2650753C (en) |
| SE (1) | SE529834C2 (en) |
| WO (1) | WO2007126353A1 (en) |
| ZA (1) | ZA200808630B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1128196A (en) * | 1965-12-27 | 1968-09-25 | Svenska Flaektfabriken Ab | An apparatus for threading a web material |
| US3759434A (en) * | 1972-09-27 | 1973-09-18 | Svenska Faltfab Ab | Threading mechanism |
| WO1999039049A1 (en) * | 1998-01-30 | 1999-08-05 | Valmet Corporation | System and method for threading a moist web in a pulp dryer or the like from one section to the following section |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1357256A (en) * | 1919-06-16 | 1920-11-02 | Sargents Sons Corp C G | Apron for driers and the like |
| US1658095A (en) * | 1925-12-14 | 1928-02-07 | American Telephone & Telegraph | Feeding device for belt conveyers |
| US2821285A (en) * | 1956-04-09 | 1958-01-28 | Ross Engineering Of Canada Ltd | Conveyor system for pulp dryers |
| US2966065A (en) * | 1959-06-19 | 1960-12-27 | Adamson Stephens Mfg Co | Belt conveyors |
| US3140621A (en) * | 1962-04-02 | 1964-07-14 | Guthrie B Stone | Pulley hub with crowned outer face |
| US3399465A (en) * | 1967-01-16 | 1968-09-03 | Svenska Flaektfabriken Ab | Apparatus for threading a web material |
| SE359592B (en) * | 1971-11-01 | 1973-09-03 | Svenska Flaektfabriken Ab | |
| US4067567A (en) * | 1977-02-18 | 1978-01-10 | Mcneil John | Sheet roll assembly for copying machine |
| US4693405A (en) * | 1985-02-07 | 1987-09-15 | Ross Pulp And Paper Inc. | Threading belt for pulp floater dryers |
| US5979732A (en) * | 1994-11-04 | 1999-11-09 | Roll Systems, Inc. | Method and apparatus for pinless feeding of web to a utilization device |
| US6619657B2 (en) * | 2000-03-14 | 2003-09-16 | Canon Kabushiki Kaisha | Curl correction device, and image forming apparatus having the curl correction device |
| US20020112940A1 (en) * | 2001-02-16 | 2002-08-22 | Scott Dickover | Methods and apparatus for improved self-checkout system |
-
2006
- 2006-04-28 SE SE0600940A patent/SE529834C2/en unknown
-
2007
- 2007-04-18 BR BRPI0711066A patent/BRPI0711066B1/en active IP Right Grant
- 2007-04-18 WO PCT/SE2007/000362 patent/WO2007126353A1/en active Application Filing
- 2007-04-18 CN CN2007800154277A patent/CN101432482B/en active Active
- 2007-04-18 EP EP07748027.5A patent/EP2013414B1/en active Active
- 2007-04-18 CA CA2650753A patent/CA2650753C/en active Active
- 2007-04-18 US US12/298,766 patent/US20090199990A1/en not_active Abandoned
-
2008
- 2008-10-09 ZA ZA2008/08630A patent/ZA200808630B/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1128196A (en) * | 1965-12-27 | 1968-09-25 | Svenska Flaektfabriken Ab | An apparatus for threading a web material |
| US3759434A (en) * | 1972-09-27 | 1973-09-18 | Svenska Faltfab Ab | Threading mechanism |
| WO1999039049A1 (en) * | 1998-01-30 | 1999-08-05 | Valmet Corporation | System and method for threading a moist web in a pulp dryer or the like from one section to the following section |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2013414B1 (en) | 2014-08-13 |
| US20090199990A1 (en) | 2009-08-13 |
| EP2013414A4 (en) | 2010-06-09 |
| ZA200808630B (en) | 2009-12-30 |
| CA2650753C (en) | 2014-07-08 |
| CN101432482A (en) | 2009-05-13 |
| SE529834C2 (en) | 2007-12-04 |
| EP2013414A1 (en) | 2009-01-14 |
| SE0600940L (en) | 2007-10-29 |
| WO2007126353A1 (en) | 2007-11-08 |
| CA2650753A1 (en) | 2007-11-08 |
| BRPI0711066B1 (en) | 2017-05-09 |
| BRPI0711066A2 (en) | 2011-08-23 |
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