CN104233898A - Multi-section arc roller for mechanical adjustment - Google Patents
Multi-section arc roller for mechanical adjustment Download PDFInfo
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- CN104233898A CN104233898A CN201410440803.9A CN201410440803A CN104233898A CN 104233898 A CN104233898 A CN 104233898A CN 201410440803 A CN201410440803 A CN 201410440803A CN 104233898 A CN104233898 A CN 104233898A
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- roller
- steel
- box girder
- mechanical adjustment
- structure box
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Abstract
The invention discloses a multi-section arc roller for mechanical adjustment. The multi-section arc roller comprises a steel structure box girder, a plurality of adjusting devices and a plurality of short roller barrels, wherein the steel structure box girder is connected with a paper making machine; the adjusting devices and the short roller barrels are arranged on the steel structure box girder; an adjusting device is arranged between each section of short roller barrel and the adjacent short roller barrel; a hole is formed in the middle of the short roller barrel and is used for mounting the adjusting devices. In such a way, roll surface arc lines can be optionally adjusted in a partition way, the rigidity of an arc roller and the uniform distribution degree of the roll surface arc lines are improved, the requirements of low inertness and high rotation speed on the arc roller are met, the quality of a paper product banner is improved, meanwhile, the labor intensity can be reduced, the production efficiency is improved, and the cost is reduced.
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 convergent force of paper cross section, paper operationally often there will be fold.What require paper quality along with market improves constantly, also more and more higher to the requirement of the bowed roller for unfolding smooth page.
Existing bowed roller is whole formula (as shown in Figure 1), the fixing roller core (1-2) being saved rotating roller shell (1-1) and inside by N forms, N saves rotating roller shell (1-1) and forms an arc roll surface (1-3), its be only applicable to the speed of a motor vehicle below 1500 ms/min, the papermaking equipment of roller rotating speed 2000 revs/min.Satisfy that the papermaking equipment speed of a motor vehicle is more and more faster, door width is more and more wider, whole formula bowed roller has not been suitable for the papermaking equipment of the speed of a motor vehicle more than 1500 ms/min, the especially papermaking equipment of 2000 ms/min of speed of a motor vehicle.
In addition, the bearing selected in tradition whole formula bowed roller temperature rise after bowed roller linear speed is more than 3000 meters is fast, burns out a bearing in the course of time, causes bowed roller to lose efficacy; In addition, tradition whole formula bowed roller, in order to meet the requirement of wide door width (more than 4.5 meters) rigidity, by roller core overstriking, certainly will be unfavorable for the requirement in papermaking equipment space, and uneconomical.The requirement of beating of the roll surface camber line degree of being uniformly distributed of a wide door whole formula bowed roller and roll surface is high, and more difficult realization, once there is above-mentioned drawback, certainly will affect paper product quality.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of mechanical adjustment more piece bowed roller, any adjustment 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, can labour intensity be reduced simultaneously, enhance productivity, cost-saving.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of mechanical adjustment more piece bowed roller, comprise: the steel-structure box girder be connected with paper machine, be arranged on some adjusting devices on described steel-structure box girder and some short roller cylinders, often save between described short roller cylinder and adjacent short roller cylinder and described adjusting device is installed, described steel-structure box girder is central aperture structure, for installing described adjusting device.
In a preferred embodiment of the present invention, described adjusting device comprises bearing block, the two ends often saving described short roller cylinder are all provided with double-row radial ball bearing, 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, a back-up ring is installed, the double-row radial ball bearing of described short roller cylinder one end, is installed in described bearing block with the double-row radial ball bearing of adjacent short roller cylinder end and the described back-up ring installed between them.
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 evenly offers 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 is before welding first through the high temperature preheating of 620-650 DEG C.
In a preferred embodiment of the present invention, described adjusting device also comprises connecting 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 upper connecting flange, and described upper connecting flange is fixed on the top of described steel-structure box girder, the top of the described upper connecting flange of top protrusion of described adjusting rod is connected with described bearing block, the bottom that described steel-structure box girder is protruded in the below of described adjusting rod is connected with described handwheel, described handwheel by the locking nut on top and the nut locking of bottom in the below of described adjusting rod, described lower link flange is fixed on described handwheel by described bearing, and fix with the below of described steel-structure box girder.
The invention has the beneficial effects as follows: by whole formula bowed roller is divided into some joint short roller cylinders, and steel-structure box girder support is adopted below the bowed roller of some joint short roller cylinder compositions, between joint and joint, adjusting device is housed, solve roll surface camber line degree of being uniformly distributed, achieve district grid, meet the quality requirement of paper product banner; Often save short roller cylinder to can be completely achieved requirement for dynamic balance and low roll surface by existing equipment and to beat requirement.
Specific as follows:
1) the roll surface camber line degree of being uniformly distributed of whole formula bowed roller depends on the flexibility of roller core own completely.Adopt press to carry out when processing roller core curvature, work consumption energy consumption is larger shaping qualitative more difficult, detect inconvenience, production practices show to be difficult to accomplish equally distributed roll surface camber line, the present invention, by whole formula bowed roller is divided into some joint short roller cylinders, is equipped with adjusting device between joint with joint, can realize any adjustment of roll surface camber line by subregion, saving of work and time, settles at one go.
2) reasonable selection roller shell, solve roller shell low inertia and high-revolving contradiction, the double-row radial ball bearing selected meets the requirement of High Rotation Speed.
3) whole formula bowed roller is on the paper making equipment run up, because door is wide, often wow and flutter is there is in paper power, distortion, and then cause paper web wrinkle, break, the present invention below bowed roller with steel-structure box girder by its support, thoroughly solve the problem of whole formula bowed roller insufficient rigidity.
4) papermaking equipment is the equipment of continuous high speed running, and the parts regardless of which unit break down, and all can cause stopping production, loss is serious.The invention solves the many problems of work that " whole formula bowed roller " can not be suitable for 2000 ms/min of papermaking equipment speed of a motor vehicle, 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 mark 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 of the present invention preferred embodiment;
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 the cylinder of short roller shown in Fig. 2;
In accompanying drawing, the mark of each parts is as follows: 1, steel-structure box girder, and 2, adjusting device, 21, bearing block, 22, upper connecting 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, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 2-Fig. 5, the embodiment of the present invention comprises:
A kind of mechanical adjustment more piece bowed roller, as shown in Figure 2, comprise: the steel-structure box girder 1 be connected with paper machine, be arranged on some adjusting devices 2 on described steel-structure box girder 1 and some short roller cylinders 3, often save between described short roller cylinder 3 and adjacent short roller cylinder 3 and described adjusting device 2 is installed.Be specially:
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, the adjusting device 2 of roller joint can be installed, described steel-structure box girder 1 is formed by Q235A Plate Welding, there is good mechanical performance and weldability, it needs to carry out annealing in process after welding, in order to eliminate the internal stress that welding processing produces.
As shown in Figure 4, described adjusting device 2 comprises bearing block 21, upper connecting 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 upper connecting flange 22, and described upper connecting flange 22 is fixed on the top of described steel-structure box girder 1, the top of the described upper connecting flange 22 of top protrusion of described adjusting rod 25 is connected with described bearing block 21, the bottom that described steel-structure box girder 1 is protruded in the below of described adjusting rod 25 is connected with described handwheel 26, described handwheel 26 is locked in the below 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 below of described steel-structure box girder 1.
As shown in Figures 2 and 3, adjacent two joint short roller cylinders 3 are installed at the top of each shown adjusting device 2.The adjustable range of described adjusting device 2 is 0 ~ 40mm.Whole mechanical adjustment more piece bowed roller has multiple adjusting device 2, and the concrete quantity of described adjusting 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 adopts the 20# seamless steel pipe of φ 180 × 6 to make, 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, because the weldability of 45# round steel (roller core 32) is poor, therefore, in order to ensure welding quality in technique, weld preheating need be adopted to 45# round steel (roller core 32), preheat temperature is 620 ~ 650 DEG C, can guarantee properties; Described short roller cylinder 3 needs to do the process that eliminates stress after roughing, and interval 25-50mm opens ventilative annular groove 34 on the roll surface of described short roller cylinder 3.Adopt this short roller cylinder 3 to do dynamic balancing, balance grade can reach G1.6.The length often saving described short roller cylinder 3 is less than or equal to 300mm, is convenient to the steady reparation of integral curved roll surface curvature after installing, and is 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 often saving the roller core 32 of described short roller cylinder 3 are all provided with 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, 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, a back-up ring 5 is installed, the double-row radial ball bearing 4 of described short roller cylinder 3 one end, is installed in described bearing block 21 with the double-row radial ball bearing 4 of adjacent short roller cylinder 3 end and the described back-up ring 5 installed between them.
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 running of the short roller cylinder of linear velocity more than 3500 meters can be ensured, meet the paper machine speed of a motor vehicle (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 is divided into some joint short roller cylinders, and steel-structure box girder support is adopted below the bowed roller of some joint short roller cylinder compositions, between joint and joint, adjusting device is housed, solve roll surface camber line degree of being uniformly distributed, achieve district grid, meet the quality requirement of paper product banner; Often save short roller cylinder to can be completely achieved requirement for dynamic balance and low roll surface by existing equipment and to beat requirement.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a mechanical adjustment more piece bowed roller, it is characterized in that, comprise: the steel-structure box girder be connected with paper machine, be arranged on some adjusting devices on described steel-structure box girder and some short roller cylinders, often save between described short roller cylinder and adjacent short roller cylinder and described adjusting device is installed, described steel-structure box girder is central aperture structure, for installing described adjusting device.
2. mechanical adjustment more piece bowed roller according to claim 1, it is characterized in that, described adjusting device comprises bearing block, the two ends often saving described short roller cylinder are all provided with double-row radial ball bearing, 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, a back-up ring is installed, the double-row radial ball bearing of described short roller cylinder one end, is installed in described bearing block with the double-row radial ball bearing of adjacent short roller cylinder end and the described back-up ring installed between them.
3. mechanical adjustment more piece bowed roller according to claim 1, it is characterized in that, described steel-structure box girder is formed by Q235A Plate Welding.
4. mechanical adjustment more piece bowed roller according to claim 1, is characterized in that, the length of described short roller cylinder is less than or equal to 300mm.
5. mechanical adjustment more piece bowed roller according to claim 1, is characterized in that, the roll surface of described short roller cylinder evenly offers some ventilative annular grooves, and the spacing between adjacent two described ventilative annular grooves is 25-50mm.
6. mechanical adjustment more piece bowed roller according to claim 2, it is characterized 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.
7. mechanical adjustment more piece bowed roller according to claim 2, it is characterized in that, described short roller cylinder is welded by roller shell, roller core and gripper shoe, 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.
8. mechanical adjustment more piece bowed roller according to claim 7, is characterized 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.
9. mechanical adjustment more piece bowed roller according to claim 8, is characterized in that, described roller core is before welding first through the high temperature preheating of 620-650 DEG C.
10. mechanical adjustment more piece bowed roller according to claim 2, it is characterized in that, described adjusting device also comprises connecting 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 upper connecting flange, and described upper connecting flange is fixed on the top of described steel-structure box girder, the top of the described upper connecting flange of top protrusion of described adjusting rod is connected with described bearing block, the bottom that described steel-structure box girder is protruded in the below of described adjusting rod is connected with described handwheel, described handwheel by the locking nut on top and the nut locking of bottom in the below of described adjusting rod, described lower link flange is fixed on described handwheel by described bearing, and fix with the below of described steel-structure box girder.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN104233898A true CN104233898A (en) | 2014-12-24 |
| CN104233898B CN104233898B (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410440803.9A Active CN104233898B (en) | 2014-09-02 | 2014-09-02 | Mechanical adjustment more piece bowed roller |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786975A (en) * | 1971-08-05 | 1974-01-22 | Jagenberg Werke Ag | Apparatus for broad-drawing sheet materials |
| US4239142A (en) * | 1978-10-04 | 1980-12-16 | Jagenberg Werke Aktiengesellschaft | Broad-drawing apparatus |
| JP2004189412A (en) * | 2002-12-11 | 2004-07-08 | Mitsubishi Heavy Ind Ltd | Adjustment mechanism and adjustment method of segment spreader roll and winder facility |
| US20070117699A1 (en) * | 2005-09-01 | 2007-05-24 | Kalle Vaaraniemi | Spreader Roll |
| 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 |
| CN203682717U (en) * | 2013-01-14 | 2014-07-02 | 维美德技术有限公司 | Roll parts for arc roll |
-
2014
- 2014-09-02 CN CN201410440803.9A patent/CN104233898B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786975A (en) * | 1971-08-05 | 1974-01-22 | Jagenberg Werke Ag | Apparatus for broad-drawing sheet materials |
| US4239142A (en) * | 1978-10-04 | 1980-12-16 | Jagenberg Werke Aktiengesellschaft | Broad-drawing apparatus |
| JP2004189412A (en) * | 2002-12-11 | 2004-07-08 | Mitsubishi Heavy Ind Ltd | Adjustment mechanism and adjustment method of segment spreader roll and winder facility |
| US20070117699A1 (en) * | 2005-09-01 | 2007-05-24 | Kalle Vaaraniemi | Spreader Roll |
| 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 |
| CN203682717U (en) * | 2013-01-14 | 2014-07-02 | 维美德技术有限公司 | Roll parts for arc roll |
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| Publication number | Publication date |
|---|---|
| CN104233898B (en) | 2016-07-27 |
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