CN104233898B - Mechanical adjustment more piece bowed roller - Google Patents
Mechanical adjustment more piece bowed roller Download PDFInfo
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- CN104233898B CN104233898B CN201410440803.9A CN201410440803A CN104233898B CN 104233898 B CN104233898 B CN 104233898B CN 201410440803 A CN201410440803 A CN 201410440803A CN 104233898 B CN104233898 B CN 104233898B
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- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000002372 labelling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Abstract
The invention discloses a kind of mechanical adjustment more piece bowed roller, including: the steel-structure box girder being connected with paper machine, the some adjustment devices being arranged on described steel-structure box girder and some short roller cylinders, often save and described adjustment device is installed between described short roller cylinder with adjacent short roller cylinder, described steel-structure box girder is central aperture structure, is used for installing described adjustment device.By the way, the present invention can realize arbitrarily regulating of roll surface camber line by subregion, improves rigidity and the roll surface camber line degree of being uniformly distributed of bowed roller, realize the high-revolving requirement of bowed roller low inertia, improve the quality of paper product banner, labor intensity can be reduced simultaneously, improve production efficiency, save cost.
Description
Technical field
The present invention relates to papermaking equipment technical field, particularly relate to a kind of mechanical adjustment more piece bowed roller.
Background technology
In paper production processing procedure, due to the contractility of paper cross section, operationally often there is fold in paper.Along with market is to improving constantly that paper quality requires, the requirement of the bowed roller for unfolding smooth page is also more and more higher.
Existing bowed roller is whole formula (as shown in Figure 1), saved rotating roller shell (1-1) by N and internal fixing roller core (1-2) forms, N saves rotating roller shell (1-1) and forms an arc roll surface (1-3), its be only applicable to speed below 1500 ms/min, the papermaking equipment of roller rotating speed 2000 revs/min.Satisfying that papermaking equipment speed is increasingly faster, door width is more and more wider, whole formula bowed roller has not been suitable for speed papermaking equipment more than 1500 ms/min, the especially papermaking equipment of 2000 ms/min of speeds.
It addition, the bearing selected in whole formula bowed roller of tradition temperature rise after bowed roller linear speed is more than 3000 meters is fast, burns out a bearing in the course of time, cause that bowed roller lost efficacy；Additionally, whole formula bowed roller of tradition is in order to meet the requirement of wide door width (more than 4.5 meters) rigidity, by roller core overstriking, the requirement in papermaking equipment space certainly will be unfavorable for, and uneconomical.The roll surface camber line degree of being uniformly distributed of wide whole formula bowed roller of door and roll surface are beated requirement height, it is more difficult to realizing, once there is above-mentioned drawback, certainly will affect paper product quality.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of mechanical adjustment more piece bowed roller, arbitrarily regulating of roll surface camber line can be realized by subregion, improve rigidity and the roll surface camber line degree of being uniformly distributed of bowed roller, realize the high-revolving requirement of bowed roller low inertia, improve the quality of paper product banner, labor intensity can be reduced simultaneously, improve production efficiency, save cost.
For solving above-mentioned technical problem, the technical scheme that the present invention adopts is: provide a kind of mechanical adjustment more piece bowed roller, including: the steel-structure box girder being connected with paper machine, the some adjustment devices being arranged on described steel-structure box girder and some short roller cylinders, often save and described adjustment device is installed between described short roller cylinder with adjacent short roller cylinder, described steel-structure box girder is central aperture structure, is used for installing described adjustment device.
In a preferred embodiment of the present invention, described adjustment device includes bearing block, the two ends often saving described short roller cylinder are mounted on double-row radial ball bearing, being provided with a back-up ring between the double-row radial ball bearing of described short roller cylinder one end and the double-row radial ball bearing of adjacent short roller cylinder end, the double-row radial ball bearing of described short roller cylinder one end is installed in described bearing block with double-row radial ball bearing and the installation described back-up ring between them of adjacent short roller cylinder end.
In a preferred embodiment of the present invention, described steel-structure box girder is formed by Q235A Plate Welding.
In a preferred embodiment of the present invention, the length of described short roller cylinder is less than or equal to 300mm.
In a preferred embodiment of the present invention, the roll surface of described short roller cylinder uniformly offering some ventilative annular grooves, the spacing between adjacent two described ventilative annular grooves is 25-50mm.
In a preferred embodiment of the present invention, the limit speed of described double-row radial ball bearing is at more than 7000rpm, and dynamic loading is at more than 5KN.
In a preferred embodiment of the present invention, described short roller cylinder is welded by roller shell, roller core and gripper shoe, and described roller core is welded on the inside of described roller shell by described gripper shoe, and described double-row radial ball bearing is arranged on the roller core outside described gripper shoe.
In a preferred embodiment of the present invention, the material of described roller shell is 20# seamless steel pipe, and the material of described roller core is 45# steel, and the material of described gripper shoe is Q235A steel plate.
In a preferred embodiment of the present invention, described roller core first passes through the high temperature preheating of 620-650 DEG C before welding.
In a preferred embodiment of the present invention, described adjustment device also includes first line of a couplet acting flange, lower link flange, guide pin bushing, adjusting rod, handwheel and bearing, described adjusting rod is arranged in described steel-structure box girder, described guide pin bushing is sleeved on the upper end of described adjusting rod by described first line of a couplet acting flange, and described first line of a couplet acting flange is fixed on the top of described steel-structure box girder, the top projecting above described first line of a couplet acting flange of described adjusting rod is connected with described bearing block, the bottom of the protruding under described steel-structure box girder of described adjusting rod is connected with described handwheel, described handwheel passes through the locking nut on top and the nut locking of bottom in the lower section of described adjusting rod, described lower link flange is fixed on described handwheel by described bearing, and fix with the lower section of described steel-structure box girder.
The invention has the beneficial effects as follows: by whole formula bowed roller being divided into some joint short roller cylinders, and below the bowed roller of some joint short roller cylinders composition, adopt steel-structure box girder support, equipped with regulating device between joint and joint, solve roll surface camber line degree of being uniformly distributed, achieve district grid, meet the prescription of paper product banner；Often joint short roller cylinder can be completely achieved requirement for dynamic balance by existing equipment and low roll surface is beated requirement.
Specific as follows:
1) the roll surface camber line degree of being uniformly distributed of whole formula bowed roller depends entirely on the flexibility of roller core own.Adopt press to carry out when processing roller core curvature, the bigger molding of work consumption energy consumption is qualitative more difficult, detection inconvenience, production practices show to be difficult to accomplish equally distributed roll surface camber line, the present invention by being divided into some joint short roller cylinders by whole formula bowed roller, equipped with regulating device between joint and joint, can realize arbitrarily regulating of roll surface camber line by subregion, saving of work and time, settles at one go.
2) reasonable selection roller shell, solves roller shell low inertia and high-revolving contradiction, and the double-row radial ball bearing of selection meets the requirement of high speed rotating.
3) whole formula bowed roller is on the paper making equipment run up, and owing to door is wide, in paper power, wow and flutter often occurs, deformation, in turn result in paper web wrinkle, break, the present invention below bowed roller with steel-structure box girder by its support, the problem thoroughly solving whole formula bowed roller insufficient rigidity.
4) papermaking equipment is the equipment of continuous high speed operating, breaks down regardless of the parts of which unit, all can cause stopping production, and loss is serious.The invention solves " whole formula bowed roller " and can not be suitable for the many problems of work of 2000 ms/min of papermaking equipment speeds, effect is considerable.
Accompanying drawing explanation
Fig. 1 is the structural representation of whole formula bowed roller of the prior art；
In accompanying drawing, the labelling of each parts is as follows: 1-1, N save rotating roller shell, 1-2, fixing roller core, 1-3, arc roll surface；
Fig. 2 is the structural representation of mechanical adjustment more piece bowed roller one preferred embodiment of the present invention；
Fig. 3 is the partial enlarged drawing of I shown in Fig. 2；
Fig. 4 is the sectional view of A-A shown in Fig. 2；
Fig. 5 is the structural representation of short roller cylinder shown in Fig. 2；
In accompanying drawing, the labelling of each parts is as follows: 1, steel-structure box girder, and 2, regulate device, 21, bearing block, 22, first line of a couplet acting flange, 23, lower link flange, 24, guide pin bushing, 25, adjusting rod, 26, handwheel, 27, bearing, 28, locking nut, 29, nut, 3, short roller cylinder, 31, roller shell, 32, roller core, 33, gripper shoe, 34, ventilative annular groove, 4, double-row radial ball bearing, 5, back-up ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention being made apparent clear and definite defining.
Referring to Fig. 2-Fig. 5, the embodiment of the present invention includes:
A kind of mechanical adjustment more piece bowed roller, as shown in Figure 2, including: the steel-structure box girder 1 being connected with paper machine, the some adjustment devices 2 being arranged on described steel-structure box girder 1 and some short roller cylinders 3, often save and be provided with described adjustment device 2 between described short roller cylinder 3 with adjacent short roller cylinder 3.Particularly as follows:
Two end flanges of described steel-structure box girder 1 are connected with the machine frame at two sides of paper machine, and the centre of described steel-structure box girder 1 is open-celled structure, can mounted roller joint adjustment device 2, described steel-structure box girder 1 is formed by Q235A Plate Welding, there is good mechanical performance and weldability, it needs to be annealed processing after welding, in order to eliminate the internal stress that welding processing produces.
nullAs shown in Figure 4，Described adjustment device 2 includes bearing block 21、First line of a couplet acting flange 22、Lower link flange 23、Guide pin bushing 24、Adjusting rod 25、Handwheel 26 and bearing 27，Described adjusting rod 25 is arranged in described steel-structure box girder 1，Described guide pin bushing 24 is sleeved on the upper end of described adjusting rod 25 by described first line of a couplet acting flange 22，And described first line of a couplet acting flange 22 is fixed on the top of described steel-structure box girder 1，The top projecting above described first line of a couplet acting flange 22 of described adjusting rod 25 is connected with described bearing block 21，The bottom of the protruding under described steel-structure box girder 1 of described adjusting rod 25 is connected with described handwheel 26，Described handwheel 26 is locked in the lower section of described adjusting rod 25 by the locking nut 28 on top and the nut 29 of bottom，Described lower link flange 23 is fixed on described handwheel 26 by described bearing 27，And fix with the lower section of described steel-structure box girder 1.
As shown in Figures 2 and 3, two adjacent sections short roller cylinder 3 is installed at each shown top regulating device 2.The range of accommodation of described adjustment device 2 is 0～40mm.Whole mechanical adjustment more piece bowed roller has multiple adjustment device 2, and the particular number of described adjustment device 2 is depending on the length of bowed roller.
As shown in Figure 3 and Figure 5, described short roller cylinder 3 is welded by roller shell 31, roller core 32 and gripper shoe 33, in the present embodiment, described roller shell 31 is that the 20# seamless steel pipe adopting φ 180 × 6 is made, low inertia height rotating speed can be realized, described gripper shoe 33 adopts Q235A steel plate to make, described roller core 32 adopts 45# round steel to make, owing to the weldability of 45# round steel (roller core 32) is poor, therefore, in order to ensure welding quality in technique, 45# round steel (roller core 32) need to be adopted weld preheating, preheating temperature is 620～650 DEG C, it can be ensured that properties；Described short roller cylinder 3 needs to do elimination stress after roughing and processes, and interval 25-50mm opens ventilative annular groove 34 on the roll surface of described short roller cylinder 3.Adopting this short roller cylinder 3 to do dynamic balancing, balance grade can reach G1.6.Often save the length of described short roller cylinder 3 less than or equal to 300mm, it is simple to the steady reparation of the integral curved roll surface curvature after installation, be unlikely to cause uneven.
Described roller core 32 is welded on the inside of described roller shell 31 by described gripper shoe 33, the two ends of the roller core 32 often saving described short roller cylinder 3 are mounted on double-row radial ball bearing 4, and adopt grease lubrication, and described double-row radial ball bearing 4 is arranged on the roller core 32 outside described gripper shoe 33.
As shown in Figure 3, being provided with a back-up ring 5 between the double-row radial ball bearing 4 of described short roller cylinder 3 one end and the double-row radial ball bearing 4 of adjacent short roller cylinder 3 end, the double-row radial ball bearing 4 of described short roller cylinder 3 one end is installed in described bearing block 21 with double-row radial ball bearing 4 and the installation described back-up ring 5 between them of adjacent short roller cylinder 3 end.
Described double-row radial ball bearing 4 selects GB/T281 bearing, its limit speed is at more than 7000rpm, dynamic loading is at more than 5KN, effective operating of linear velocity short roller cylinder more than 3500 meters can be ensured, meet the paper machine speed (during 2000 ms/min of linear velocities, bowed roller rotating speed is 3538 revs/min) of 2000 ms/min.
Present invention is disclosed a kind of mechanical adjustment more piece bowed roller, by whole formula bowed roller being divided into some joint short roller cylinders, and below the bowed roller of some joint short roller cylinders composition, adopt steel-structure box girder support, equipped with regulating device between joint and joint, solve roll surface camber line degree of being uniformly distributed, achieve district grid, meet the prescription of paper product banner；Often joint short roller cylinder can be completely achieved requirement for dynamic balance by existing equipment and low roll surface is beated requirement.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (7)
1. a mechanical adjustment more piece bowed roller, it is characterized in that, including: the steel-structure box girder being connected with paper machine, the some adjustment devices being arranged on described steel-structure box girder and some short roller cylinders, often save and described adjustment device is installed between described short roller cylinder with adjacent short roller cylinder, two end flanges of described steel-structure box girder are connected with the machine frame at two sides of paper machine, and described steel-structure box girder is central aperture structure, it is used for described adjustment device is installed；Described adjustment device includes bearing block, the two ends often saving described short roller cylinder are mounted on double-row radial ball bearing, being provided with a back-up ring between the double-row radial ball bearing of described short roller cylinder one end and the double-row radial ball bearing of adjacent short roller cylinder end, the double-row radial ball bearing of described short roller cylinder one end is installed in described bearing block with double-row radial ball bearing and the installation described back-up ring between them of adjacent short roller cylinder end；Described adjustment device also includes first line of a couplet acting flange, lower link flange, guide pin bushing, adjusting rod, handwheel and bearing, described adjusting rod is arranged in described steel-structure box girder, described guide pin bushing is sleeved on the upper end of described adjusting rod by described first line of a couplet acting flange, and described first line of a couplet acting flange is fixed on the top of described steel-structure box girder, the top projecting above described first line of a couplet acting flange of described adjusting rod is connected with described bearing block, the bottom of the protruding under described steel-structure box girder of described adjusting rod is connected with described handwheel, described handwheel passes through the locking nut on top and the nut locking of bottom in the lower section of described adjusting rod, described lower link flange is fixed on described handwheel by described bearing, and fix with the lower section of described steel-structure box girder；Described short roller cylinder is welded by roller shell, roller core and gripper shoe, and described roller core is welded on the inside of described roller shell by described gripper shoe, and described double-row radial ball bearing is arranged on the roller core outside described gripper shoe.
2. mechanical adjustment more piece bowed roller according to claim 1, it is characterised in that described steel-structure box girder is formed by Q235A Plate Welding.
3. mechanical adjustment more piece bowed roller according to claim 1, it is characterised in that the length of described short roller cylinder is less than or equal to 300mm.
4. mechanical adjustment more piece bowed roller according to claim 1, it is characterised in that uniformly offering some ventilative annular grooves on the roll surface of described short roller cylinder, the spacing between adjacent two described ventilative annular grooves is 25-50mm.
5. mechanical adjustment more piece bowed roller according to claim 1, it is characterised in that the limit speed of described double-row radial ball bearing is at more than 7000rpm, and dynamic loading is at more than 5KN.
6. mechanical adjustment more piece bowed roller according to claim 1, it is characterised in that the material of described roller shell is 20# seamless steel pipe, and the material of described roller core is 45# steel, and the material of described gripper shoe is Q235A steel plate.
7. mechanical adjustment more piece bowed roller according to claim 6, it is characterised in that described roller core first passes through the high temperature preheating of 620-650 DEG C before welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440803.9A CN104233898B (en) | 2014-09-02 | 2014-09-02 | Mechanical adjustment more piece bowed roller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410440803.9A CN104233898B (en) | 2014-09-02 | 2014-09-02 | Mechanical adjustment more piece bowed roller |
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| Publication Number | Publication Date |
|---|---|
| CN104233898A CN104233898A (en) | 2014-12-24 |
| CN104233898B true CN104233898B (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410440803.9A Active CN104233898B (en) | 2014-09-02 | 2014-09-02 | Mechanical adjustment more piece bowed roller |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112499347A (en) * | 2020-12-29 | 2021-03-16 | 常熟市复林造纸机械有限公司 | High-stability paper guide device of high-speed rewinding machine |
| CN118769662A (en) * | 2024-09-12 | 2024-10-15 | 广东金玉兰包装机械有限公司 | A large diameter support roller device for UV lamination of large rigid sheets |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2139159C3 (en) * | 1971-08-05 | 1974-08-15 | Jagenberg-Werke Ag, 4000 Duesseldorf | Device for spreading webs of material, in particular webs of paper |
| DE2843204C2 (en) * | 1978-10-04 | 1980-09-25 | Jagenberg-Werke Ag, 4000 Duesseldorf | Spreader roller |
| JP2004189412A (en) * | 2002-12-11 | 2004-07-08 | Mitsubishi Heavy Ind Ltd | Adjustment mechanism and adjustment method of segment spreader roll and winder facility |
| FI121825B (en) * | 2005-09-01 | 2011-04-29 | Metso Paper Inc | Distribution Selection |
| CN202717421U (en) * | 2012-06-28 | 2013-02-06 | 常州市伯山机械有限公司 | Arc-shaped roller mechanism of winder |
| FI10035U1 (en) * | 2013-01-14 | 2013-03-28 | Metso Paper Inc | Roller part for a stub roll |
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| CN104233898A (en) | 2014-12-24 |
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