CN101973699B - Two-channel sealing device of roller spindle head of transition roller platform and method - Google Patents
Two-channel sealing device of roller spindle head of transition roller platform and method Download PDFInfo
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- CN101973699B CN101973699B CN2010105145367A CN201010514536A CN101973699B CN 101973699 B CN101973699 B CN 101973699B CN 2010105145367 A CN2010105145367 A CN 2010105145367A CN 201010514536 A CN201010514536 A CN 201010514536A CN 101973699 B CN101973699 B CN 101973699B
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Abstract
The invention belongs to an auxiliary device of a float glass production line, in particular to a two-channel sealing device of a roller spindle head of a transition roller platform and a method, which is characterized in that the method adopts a mode that the internal end and external circle of a graphite annulus respectively contact the roller spindle head end and the internal circle of a support seat; the first channel hard sealing is realized to guarantee the pressure in a tin tank for plugging an airflow channel formed by the first channel hard sealing; the second channel soft sealing is additionally arranged; a high temperature resistant asbestos cord is wound on the mouth of the spindle head; the asbestos cord is pressed tightly to be swelled so that all gaps are filled to play a role of sealing; hot air in a sealing tank cannot overflow to the position of a bearing seat; the roller spindle head and the bearing seat cannot generate great swell capacity; a roller cannot be locked; the hot air cannot overflow outwards so that the transverse temperature difference of a glass ribbon is not great; and the quality of glass is ensured. Moreover, the invention has the advantages that the sealing of the roller spindle head is good at the high temperature of 600 DEG C in actual use; the normal operation of the roller can be guaranteed; and the transverse temperature difference of the glass ribbon is reduced.
Description
[technical field]
The invention belongs to the supplementary unit of floatation glass production line, what relate generally to is the two seals device and the sealing method of the sub-spindle nose of a kind of transition roller bench roller.
[background technology]
Transition roller platform equipment is one of key equipment on the floatation glass production line, and roller is the main parts of transition roller platform equipment, and roller comes out glass drawing from molten tin bath in the running, and the glass ribbon that drawing comes out is sent into annealing furnace anneal.The roller of transition roller platform is in the hot environment in the production, and can roller at high temperature run well and just be directly connected to production and normally carry out.The transition roller platform is mounted on the watertight chest housing in addition, and whole watertight chest housing will guarantee hot gas few leakage of trying one's best, so that the glass ribbon horizontal stroke has a narrow range of temperature mutually, thereby guarantees glass quality.Because roller spindle nose sealing mechanism was unreasonable in the past; Make hot gas excessive; Cause the bearing of roller spindle nose and backing roll to produce expansion, roller is stuck and can not turns round, and directly influences the carrying out of glass production; A large amount of outer the failing to be convened for lack of a quorum of hot gas cause the glass ribbon transverse temperature difference excessive simultaneously, thereby have influence on the quality of glass.
Domestic patent CN2632086Y discloses the sub-spindle nose tightness system of a kind of transition roller bench roller; Between nut on the standing bolt and supporting base, be provided with two pads; Be provided with the conciliation spring between the pad, the regulating effect through spring can seal the graphite annulus of sealing all the time on rotating shaft head, makes the hot-fluid in the slag case can not scurry the chock position; Roller spindle nose and chock can not produce big swell increment, and roller can not be stuck.This utility model patent adopts graphite annulus to seal firmly.Hard sealing exist the gap, and this gap is bigger in actual use, if this gap is little, when structure temperature distortion (this place organism temperature can be raised to more than 300 degree), roller can be by locking, the generation Serious Accident.Therefore, when reality was made, it is bigger that specially do in the gap of the hard sealing in this place, and the result forms gas channel, and bigger pressure release is arranged, and the molten tin bath internal pressure is kept unfavorable.
[summary of the invention]
The object of the invention is by producing under the above background; Propose the two seals device of the sub-spindle nose of a kind of transition roller bench roller, it can be with roller spindle nose good seal under 600 ℃ of high temperature, and it is excessive to reduce the inner hot gas of watertight chest; The assurance roller runs well, and reduces the glass ribbon transverse temperature difference.
The object of the invention can adopt following technical scheme to realize: the two seals device of the sub-spindle nose of a kind of transition roller bench roller; Comprise adjusting screw(rod) (1), spring (4), gland (7), nut (5), depression bar (6), metal sheeting (8) and graphite annulus (12); It is characterized in that graphite annulus one end contacts with roller (10) end face; Logical metal sheeting (8) and the depression bar of inlaying above that (6) of the graphite annulus the other end combines; Depression bar (6) is fixed on the gland (7) through nut (5), and gland (7) is fixed on the supporting base (3) through the adjusting screw(rod) (1) of inlaying spring (4) above that and embedding spring (4) endoporus, and graphite annulus (12) cylindrical and supporting base (3) internal surface closely cooperate; One end of supporting base (3) is equipped with chock (2); Between chock (2) and supporting base (3), be provided with the neutral gear part that the boss (16) of clip plate (15), supporting base (3) one ends passes clip plate (15) and outer plate (14); Clip plate (15) one ends stretch into the space between spindle nose and the supporting base (3); Resistant to elevated temperatures asbestos twine (13) is housed between clip plate (15) inside and the spindle nose, and outer plate (14) one ends stretch into clip plate (15) inside, and screw (17) one ends are pushed down outer plate (14); Screw (17) the other end and supporting base are tightened, and push down asbestos twine.Said graphite annulus is conical graphite ring.Said depression bar (6) is welded into the end that integral body is embedded in graphite annulus (12) with metal sheeting (8).Be provided with spring (4) between said gland (7) and the adjusting screw(rod) (1).Said adjusting screw(rod) (1) has elastic regulatory function.Said clip plate (14), outer plate (15) all is processed into cruciform.Be provided with asbestos twine between said clip plate (14) and the outer plate (15).One end of said supporting base (3) is processed with boss, and boss passes clip plate (14) and outer plate (15).
The two seals method of the sub-spindle nose of a kind of transition roller bench roller is characterized in that this method adopts graphite annulus the inner and cylindrical to justify the mode of fitting respectively with in roller axle head end and the supporting base, realizes that first road seals firmly; For blocking the gas channel that first road seals formation firmly, guaranteed the molten tin bath pressure inside, increase by the second road soft seal; Make resistant to elevated temperatures asbestos twine be wrapped in the spindle nose mouth, again asbestos twine is compressed, make its distending; The space is filled up everywhere, plays sealing function.The soft seal formula adopts asbestos twine or flexible material to carry out compressing method, makes its distortion fill up the space, and the commensurate structure deformability is strong.
The present invention compared with prior art; Its sealed structure is fixed on the supporting base; Make telescopic spring through rotating adjusting screw(rod); Let the pressure of spring be delivered on the graphite annulus through gland, depression bar and metal sheeting, but spring compensate for dilatation amount automatically during thermal expansion, an end that makes graphite annulus compresses with the termination of roller all the time; Chock, supporting base and spindle nose place are provided with clip plate, outer plate and asbestos twine, and asbestos twine is pressed between clip plate and the spindle nose through outer plate, seal up the gap between supporting base and the spindle nose; Thereby through the sealing of above structure assurance spindle nose, the interior hot gas of watertight chest can not be overflow to the chock position, roller spindle nose and chock just can not produce big swell increment; Roller just can not be stuck; Simultaneously the not excessive glass ribbon transverse temperature difference that yet makes of hot gas can be not excessive, guaranteed glass quality, uses it can be with roller spindle nose good seal under 600 ℃ of high temperature through reality; The assurance roller runs well, and has reduced the transverse temperature difference of glass ribbon.The present invention has improved the quality of float glass, has avoided by stuck industrial accident that brings of roller and consequent financial loss.
[description of drawings]
Accompanying drawing 1 is positioned at the structural representation of the sub-spindle nose of transition roller bench roller for the present invention
Accompanying drawing 2 is the A-A view among Fig. 1
Accompanying drawing 3 is the B-B view among Fig. 1
Accompanying drawing 4 is the C-C view among Fig. 1
Among the figure, 1, adjusting screw(rod), 2, chock, 3, supporting base, 4, spring, 5, nut; 6, depression bar, 7, gland, 8, metal sheeting, 9, watertight chest, 10, roller, 11, glass ribbon; 12, graphite annulus, 13, asbestos twine, 14, outer plate, 15, clip plate, 16, boss, 17, screw.
[embodiment]
In conjunction with accompanying drawing, it is following to provide enforcement of the present invention:
Combine Fig. 2, shown in Figure 3 like accompanying drawing 1; The roller 10 of transition roller platform rotates in 2 supportings of two end axles bearing, and chock 2 is fixed on the supporting base 3, and supporting base 3 is fixed on the watertight chest; Graphite annulus 12 cylindricals and supporting base 3 inwalls closely cooperate; One end contacts with the roller end face, and the other end is inlayed with metal sheeting 8 and depression bar 6 and combined, and makes no negotiable gap between watertight chest 9 inside and the chock 2; The inner hot gas of watertight chest 9 can outwards not revealed thus, also stuck roller and can not rotating with regard to not making chock 2 expanded by heating.Depression bar 6 one ends are embedded in an end of graphite annulus 12 through metal sheeting 8; The other end is fixing with gland 7 through nut 5; Gland 7 is fixed on the supporting base 3 through the adjusting screw(rod) 1 of inlaying above that spring 4 and an end and embedding spring 4 endoporus, and through turn adjusting screw(rod) 1 flexible with adjustment spring 4, the elastic force of spring 4 is delivered on the graphite annulus 12 through depression bar 6 and metal sheeting 8; The end face that makes graphite annulus 12 1 ends and roller is tight seal all the time, thereby plays sealing function; One end of supporting base 3 is equipped with chock; Between chock 2 and supporting base 3, be provided with clip plate 15, outer plate 14, clip plate 15, outer plate 14 are all done across, the boss 16 of supporting base 3 one ends pass clip plate 15 and outer plate 14 cruciform neutral gear part in case with chock 2 is installed on the boss 16; Clip plate 15 1 ends stretch into the space between spindle nose and the supporting base 3; Resistant to elevated temperatures asbestos twine 13 is housed between clip plate 15 inside and the spindle nose, and outer plate 14 1 ends stretch into clip plate 15 inside, and screw 17 1 ends are pushed down outer plate 14; Screw 17 the other ends and supporting base are tightened; Compress asbestos twine, thereby seal up the gap between spindle nose and the supporting base 3, thus make inner hot gas not thus the gap leak.
Claims (1)
1. the method for the sub-spindle nose two seals of a transition roller bench roller device is characterized in that this method adopts graphite annulus the inner and cylindrical to justify the mode of fitting respectively with in roller axle head end and the supporting base, realizes that first road seals firmly; For blocking the gas channel that first road seals formation firmly, guaranteed the molten tin bath pressure inside, increase by the second road soft seal; Make resistant to elevated temperatures asbestos twine be wrapped in the spindle nose mouth, again asbestos twine is compressed, make its distending; The space is filled up everywhere, plays sealing function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105145367A CN101973699B (en) | 2010-10-21 | 2010-10-21 | Two-channel sealing device of roller spindle head of transition roller platform and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105145367A CN101973699B (en) | 2010-10-21 | 2010-10-21 | Two-channel sealing device of roller spindle head of transition roller platform and method |
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| Publication Number | Publication Date |
|---|---|
| CN101973699A CN101973699A (en) | 2011-02-16 |
| CN101973699B true CN101973699B (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105145367A Active CN101973699B (en) | 2010-10-21 | 2010-10-21 | Two-channel sealing device of roller spindle head of transition roller platform and method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390921B (en) * | 2011-08-13 | 2013-06-26 | 蚌埠凯盛工程技术有限公司 | Door sealing plate for sealing device of water drum vehicle |
| CN102390922B (en) * | 2011-08-13 | 2013-09-11 | 蚌埠凯盛工程技术有限公司 | Elastic pressure plate for cooling box vehicle sealing apparatus |
| CN110411757B (en) * | 2019-07-30 | 2021-10-29 | 安徽江淮汽车集团股份有限公司 | Shaft head dynamic load calculation method, device, equipment and storage medium |
| CN113831009B (en) * | 2021-10-26 | 2023-09-19 | 蚌埠凯盛工程技术有限公司 | Sealing and supporting device for two ends of transition roller in sealing box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077821A (en) * | 2006-08-25 | 2007-11-28 | 中国建材国际工程有限公司 | Float glass lehr roller axle end sealing device |
| CN201545478U (en) * | 2009-09-30 | 2010-08-11 | 周剑 | Sealing roller structure |
| CN201873608U (en) * | 2010-10-21 | 2011-06-22 | 中国建材国际工程集团有限公司 | Roller shaft head sealing device for transition roller platform |
-
2010
- 2010-10-21 CN CN2010105145367A patent/CN101973699B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077821A (en) * | 2006-08-25 | 2007-11-28 | 中国建材国际工程有限公司 | Float glass lehr roller axle end sealing device |
| CN201545478U (en) * | 2009-09-30 | 2010-08-11 | 周剑 | Sealing roller structure |
| CN201873608U (en) * | 2010-10-21 | 2011-06-22 | 中国建材国际工程集团有限公司 | Roller shaft head sealing device for transition roller platform |
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| CN101973699A (en) | 2011-02-16 |
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