CN208414985U - A kind of uniform shoe-press portion structure of banner line pressure - Google Patents
A kind of uniform shoe-press portion structure of banner line pressure Download PDFInfo
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- CN208414985U CN208414985U CN201820622663.0U CN201820622663U CN208414985U CN 208414985 U CN208414985 U CN 208414985U CN 201820622663 U CN201820622663 U CN 201820622663U CN 208414985 U CN208414985 U CN 208414985U
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- pressure roller
- boot
- press portion
- portion structure
- boots
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Abstract
The utility model relates to papermaking dehydration technique fields, more particularly to a kind of uniform shoe-press portion structure of banner line pressure, it includes the boot last pressure roller and vacuum pressure roller matched, wide pressure area curved surface is formed at the cooperation extruding of boot last pressure roller and vacuum pressure roller, there is fit clearance between wide pressure area curved surface and vacuum pressure roller；Boot last pressure roller includes roll body, the pedestal for being fixed on roll body, the hydraulic cylinder for being set to pedestal, the boot-shaped pressing plate connecting with hydraulic cylinder and the boots set for being sheathed on roll body, the inner wall that boot-shaped pressing plate is covered with boots touches, there are three pressurised chambers, boot-shaped pressing plate correspondence to offer multiple oil outlets being connected to pressurised chamber for setting in hydraulic cylinder.The shoe-press portion structure can adjust line pressure in wider pressure area, make web moisture profile more evenly, improve squeezing mass dryness fraction, effectively solve the problems, such as that paper web crumples and break paper, and reduce energy consumption, finished paper produced has better bulk and pliability.
Description
Technical field
The utility model relates to papermaking dehydration technique fields, and in particular to a kind of uniform shoe-press portion of banner line pressure
Structure.
Background technique
With the high speed development of paper-making industry, the high speed of paper machine speed is promoted, and has higher want to press section dehydrating effect
It asks.In traditional roll press apparatus, pressed zone is very narrow, and roll press area is only retained in a point of two rollers contact
On, it is dehydrated for transient behavior, extruding force when paper web compression at this time is the gravity and two roller high speed rotations of upper roller, therefore pressure
Adjusting section it is very limited, cause the line pressure in roll press area small and uneven so that press dewatering effect is poor, paper web
Middle water content is more, under certain conditions and in the case where the hydraulic overload of excessively high squeeze force or press nips, meeting
It is uncontrolled from pressure area ejection to there is water, to cause humidity cross direction profiles uniform, is easy that paper web is crumpled or even broken
The phenomenon that paper.Further, since water content is more in paper web, the consumption of a large amount of steam when subsequent drying is also resulted in, energy conservation is unfavorable for.
Summary of the invention
The purpose of this utility model is that aiming at the shortcomings in the prior art, and a kind of uniform boots of banner line pressure are provided
Type structure of press section, the shoe-press portion structure can adjust line pressure in wider pressure area, make web moisture profile more evenly, improve
Mass dryness fraction is squeezed, effectively solves the problems, such as that paper web crumples and break paper, and reduce energy consumption.
A kind of uniform shoe-press portion structure of banner line pressure is provided, including the boot last pressure roller matched and is set to boots
Wide pressure area curved surface, institute are formed at the cooperation extruding of vacuum pressure roller above type pressure roller, the boot last pressure roller and the vacuum pressure roller
Stating has fit clearance between wide pressure area curved surface and the vacuum pressure roller；
The boot last pressure roller includes roll body, the pedestal for being fixed on roll body, the hydraulic cylinder for being set to pedestal, connect with hydraulic cylinder
Boot-shaped pressing plate and be sheathed on the boots set of roll body, the inner wall that the boot-shaped pressing plate is covered with the boots touches, in the hydraulic cylinder
There are three pressurised chamber, the boot-shaped pressing plate correspondences to offer multiple oil outlets being connected to the pressurised chamber for setting；
Forming net, woollen blanket and boots set are disposed between the boot last pressure roller and the vacuum pressure roller.
In above-mentioned technical proposal, the width of the width pressure area curved surface is set as 25cm~35cm.
In above-mentioned technical proposal, the fit clearance is set as 8mm~12mm.
In above-mentioned technical proposal, the boots set includes rubber sheath and the reinforcer in rubber sheath, the reinforcement
Part is formed by several lateral litzendraht wires and longitudinal knitted line weaving.
In above-mentioned technical proposal, the outer surface of the rubber sheath offers several grooves, the cross section of the groove
V-shaped, the width of the opening of the V-groove is 1.2mm~1.5mm, and the depth of the groove is 0.6mm~0.9mm.
In above-mentioned technical proposal, the junction of the boot-shaped pressing plate and boots set is provided with wear plate.
In above-mentioned technical proposal, the boot last pressure roller further includes multiple for fixing the clinching mechanism of boots set, the multiple
Clinching mechanism is arranged along the circle distribution of the roll body bearing end, and the clinching mechanism is sector structure.
In above-mentioned technical proposal, the clinching mechanism includes the fan-shaped end cap for being fixed on roll body bearing end, is located at scalloped end
The fan shaped washer for the side of covering and the squeezing washer being set between roll body and fan-shaped end cap, the upper end of the sector end cap and fan
It is fixedly connected between shape washer by fan-shaped screw, passes through clamping screw between the roll body, squeezing washer and fan-shaped end cap
It is fixedly connected.
In above-mentioned technical proposal, boots sets be located at axial both ends it is peripherally disposed have multiple extend outward
Connector, the fan shaped washer offer jack, and the connector is matched with the jack.
It further include the deflector roll for carrying the woollen blanket and paper web in above-mentioned technical proposal.
The utility model has the beneficial effects that
A kind of uniform shoe-press portion structure of banner line pressure of the utility model, including the boot last pressure roller that matches and
Wide pressure area curved surface is formed at the cooperation extruding of the vacuum pressure roller being set to above boot last pressure roller, boot last pressure roller and vacuum pressure roller, it is wide
There is fit clearance between pressure area curved surface and vacuum pressure roller；Boot last pressure roller includes roll body, the pedestal for being fixed on roll body, is set to bottom
The inner wall of the hydraulic cylinder of seat, the boot-shaped pressing plate connecting with hydraulic cylinder and the boots set for being sheathed on roll body, boot-shaped pressing plate and boots set touches
It connects, there are three pressurised chambers, boot-shaped pressing plate correspondence to offer multiple oil outlets being connected to pressurised chamber for setting in hydraulic cylinder；Boots
Forming net, woollen blanket and boots set are disposed between type pressure roller and vacuum pressure roller.When work, paper web runs logical with woollen blanket and together
The pressure area between boot last pressure roller and vacuum pressure roller is crossed, forms tool between boot last pressure roller and vacuum pressure roller in extrusion process from inside to outside
There is the wide pressure area curved surface of certain fit clearance, so that the long-time width pressure area under forming static pressure is dehydrated, and the boots of the width pressure area
There are three pressurised chambers for the setting of type pressure roller, under the conditions of identical speed, residence time of the paper web in the wide pressure area in shoe-press portion
For the several times of traditional pressure area, while line pressure can be adjusted in wider pressure area, make web moisture profile more evenly, greatly improve squeezing
Mass dryness fraction makes press mechanism obtain better runnability to effectively solve the problems, such as that paper web crumples and break paper, and squeezes dry
Degree is significantly improved, and can reduce the steam consumption of subsequent drying, more energy saving；Finished paper produced has better bulky
Degree and pliability.
Detailed description of the invention
Using attached drawing, the utility model is described in further detail, but the embodiment in attached drawing is not constituted to the utility model
Any restrictions for those of ordinary skill in the art without creative efforts, can also be according to following attached
Figure obtains other attached drawings.
Fig. 1 is a kind of schematic diagram of the uniform shoe-press portion structure of banner line pressure of the utility model.
Fig. 2 is a kind of part knot of the boot last pressure roller of the uniform shoe-press portion structure of banner line pressure of the utility model
Structure schematic diagram.
Fig. 3 is a kind of structural representation of the boots set of the uniform shoe-press portion structure of banner line pressure of the utility model
Figure.
Fig. 4 is that a kind of structure of the clinching mechanism of the uniform shoe-press portion structure of banner line pressure of the utility model is shown
It is intended to.
Appended drawing reference:
Vacuum pressure roller 1；
Boot last pressure roller 2, pedestal 22, boot-shaped pressing plate 23, oil outlet 231, boots set 24, rubber sheath 241, is reinforced roll body 21
Part 242, groove 243, hydraulic cylinder 25；
Clinching mechanism 3, fan-shaped end cap 31, fan shaped washer 32, squeezing washer 33, fan-shaped screw 34, clamping screw 35, sealing
Circle 36；
Deflector roll 4；
Paper web 10, wide pressure area curved surface 20, woollen blanket 30.
Specific embodiment
The utility model is further described with the following Examples.
A kind of uniform shoe-press portion structure of banner line pressure of the present embodiment as depicted in figs. 1 and 2, including matches
The boot last pressure roller 2 of conjunction and the vacuum pressure roller 1 for being set to 2 top of boot last pressure roller, the cooperation of boot last pressure roller 2 and vacuum pressure roller 1 squeeze
Place forms wide pressure area curved surface 20, has fit clearance between wide pressure area curved surface 20 and vacuum pressure roller 1；Boot last pressure roller 2 includes roll body
21, be fixed on the pedestal 22 of roll body 21, the hydraulic cylinder 25 for being set to pedestal 22, the boot-shaped pressing plate 23 being connect with hydraulic cylinder 25 and
It is sheathed on the boots set 24 of roll body 21, boot-shaped pressing plate 23 and the inner wall of boots set 24 touch, and there are three pressurizing chambers for setting in hydraulic cylinder 25
Room, the correspondence of boot-shaped pressing plate 23 offer multiple oil outlets 231 being connected to pressurised chamber；Between boot last pressure roller 2 and vacuum pressure roller 1
It is disposed with forming net, woollen blanket 30 and boots set 24.When work, paper web 10 is run with woollen blanket 30 and together through boot last pressure roller 2
Pressure area between vacuum pressure roller 1, formed in extrusion process from inside to outside between boot last pressure roller 2 and vacuum pressure roller 1 have it is certain
The wide pressure area curved surface 20 of fit clearance, so that the long-time width pressure area under forming static pressure is dehydrated, and boot last pressure roller 2 is provided with three
A pressurised chamber, under the conditions of identical speed, paper web 10 is traditional pressure area in the residence time of the wide pressure area in shoe-press portion
Several times, while line pressure can be adjusted in wider pressure area, make web moisture profile more evenly, greatly improve squeezing mass dryness fraction, to have
Effect solves the problems, such as that paper web 10 crumples and break paper, and press mechanism is made to obtain better runnability, and finished paper produced has
Better bulk and pliability.Since squeezing mass dryness fraction is significantly improved, the steam consumption of subsequent drying, more supernumerary segment can be reduced
Energy.
As preferred embodiment, the width of wide pressure area curved surface 20 is set as 25cm~35cm, and fit clearance is set as
8mm~12mm makes web moisture profile more evenly so as to adjust line pressure in wider pressure area, further increases squeezing mass dryness fraction.
In the present embodiment, as shown in figure 3, boots set 24 includes rubber sheath 241 and the reinforcer in rubber sheath 241
242, reinforcer 242 is formed by several lateral litzendraht wires and longitudinal knitted line weaving, is improved the intensity of boots set 24, is resisted
Deformation and abrasive resistance.
Specifically, the outer surface of rubber sheath 241 offers several grooves 243, the cross section of groove 243 is V-shaped, makees
For preferred embodiment, the width of the opening of V-groove 243 is 1.2mm~1.5mm, and the depth of groove 243 is 0.6mm
~0.9mm.It is designed using the V-groove 243 of above-specified high density, dehydration rate is high, and prevents boots and cover 24 watermarks.On the other hand,
Oil in oil liquid cylinder pressure 25 enters V-groove 243 by oil outlet 231, covers boot-shaped pressing plate 23 and boots between 24 and generates one
Layer high pressure oil film can reduce the degree of wear of boots set 24 to play the role of support, lubrication and cooling, therefore prolong significantly
The service life of boots set 24 is grown.
Specifically, the junction of boot-shaped pressing plate 23 and boots set 24 is provided with wear plate, boot-shaped pressing plate 23 and boots set 24 are realized
Between elastic connection, wear-resistant effect is good.
In the present embodiment, as shown in figure 4, boot last pressure roller 2 further includes multiple for fixing the clinching mechanism 3 of boots set 24, it is more
A clinching mechanism 3 is arranged along the circle distribution of 21 bearing end of roll body, and clinching mechanism 3 is sector structure.Clinching mechanism 3 includes fixing
In the fan-shaped end cap 31 of 21 bearing end of roll body, the fan shaped washer 32 above fan-shaped end cap 31 and it is set to roll body 21 and fan
Squeezing washer 33 between shape end cap 31 connects between the upper end and fan shaped washer 32 of fan-shaped end cap 31 by the way that fan-shaped screw 34 is fixed
It connects, is fixedly connected between roll body 21, squeezing washer 33 and fan-shaped end cap 31 by clamping screw 35, squeezing washer 33 and fan-shaped
Sealing ring 36 is provided between end cap 31.Boots set 24 is clamped and is fixed on roll body 21 by above-mentioned clinching mechanism 3, and structure letter
List is readily disassembled replacement, and good seal performance guarantees system run all right.
Specifically, boots set 24 is located at, axial both ends are peripherally disposed multiple connectors extended outward, fan
Shape washer 32 offers jack, and connector is matched with jack.
It further include the deflector roll 4 for carrying woollen blanket 30 and paper web 10 in the present embodiment.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (10)
1. a kind of uniform shoe-press portion structure of banner line pressure including the boot last pressure roller matched and is set to boot last pressure roller
The vacuum pressure roller of top, it is characterised in that: it is bent that wide pressure area is formed at the cooperation extruding of the boot last pressure roller and the vacuum pressure roller
Face has fit clearance between the width pressure area curved surface and the vacuum pressure roller；
The boot last pressure roller includes roll body, the pedestal for being fixed on roll body, the hydraulic cylinder for being set to pedestal, the boots connecting with hydraulic cylinder
Shape pressing plate and the boots set for being sheathed on roll body, the inner wall that the boot-shaped pressing plate is covered with the boots touch, setting in the hydraulic cylinder
There are three pressurised chamber, the boot-shaped pressing plate correspondence offers multiple oil outlets being connected to the pressurised chamber；
Forming net, woollen blanket and boots set are disposed between the boot last pressure roller and the vacuum pressure roller.
2. the uniform shoe-press portion structure of a kind of banner line pressure according to claim 1, it is characterised in that: the width
The width of pressure area curved surface is set as 25cm~35cm.
3. the uniform shoe-press portion structure of a kind of banner line pressure according to claim 2, it is characterised in that: described to match
Conjunction gap setting is 8mm~12mm.
4. the uniform shoe-press portion structure of a kind of banner line pressure according to claim 1, it is characterised in that: the boots
Set includes rubber sheath and the reinforcer in rubber sheath, and the reinforcer is compiled by several lateral litzendraht wires and longitudinal direction
Line weaving is knitted to form.
5. the uniform shoe-press portion structure of a kind of banner line pressure according to claim 4, it is characterised in that: the rubber
The outer surface of plastic boot offers several grooves, and the cross section of the groove is V-shaped, the width of the opening of the V-groove
Degree is 1.2mm~1.5mm, and the depth of the groove is 0.6mm~0.9mm.
6. the uniform shoe-press portion structure of a kind of banner line pressure according to claim 1, it is characterised in that: the boots
The junction of shape pressing plate and boots set is provided with wear plate.
7. a kind of uniform shoe-press portion structure of banner line pressure, feature according to claim 4 to 6 any one
Be: the boot last pressure roller further includes multiple for fixing the clinching mechanism of boots set, and the multiple clinching mechanism is along the roll body
The circle distribution of bearing end is arranged, and the clinching mechanism is sector structure.
8. the uniform shoe-press portion structure of a kind of banner line pressure according to claim 7, it is characterised in that: the pincers
Tight device include the fan-shaped end cap for being fixed on roll body bearing end, positioned at the scalloped end side of covering fan shaped washer and be set to roll body
Squeezing washer between fan-shaped end cap connects between the upper end and fan shaped washer of the sector end cap by the way that fan-shaped screw is fixed
It connects, is fixedly connected between the roll body, squeezing washer and fan-shaped end cap by clamping screw.
9. the uniform shoe-press portion structure of a kind of banner line pressure according to claim 8, it is characterised in that: the boots
Set is located at that axial both ends are peripherally disposed multiple connectors extended outward, and the fan shaped washer offers slotting
Hole, the connector are matched with the jack.
10. the uniform shoe-press portion structure of a kind of banner line pressure according to claim 1, it is characterised in that: also wrap
Include the deflector roll for carrying the woollen blanket and paper web.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622663.0U CN208414985U (en) | 2018-04-27 | 2018-04-27 | A kind of uniform shoe-press portion structure of banner line pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622663.0U CN208414985U (en) | 2018-04-27 | 2018-04-27 | A kind of uniform shoe-press portion structure of banner line pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208414985U true CN208414985U (en) | 2019-01-22 |
Family
ID=65117454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820622663.0U Active CN208414985U (en) | 2018-04-27 | 2018-04-27 | A kind of uniform shoe-press portion structure of banner line pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208414985U (en) |
-
2018
- 2018-04-27 CN CN201820622663.0U patent/CN208414985U/en active Active
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