CN204974730U - Roller watertight fittings and roller - Google Patents
Roller watertight fittings and roller Download PDFInfo
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- CN204974730U CN204974730U CN201520681404.1U CN201520681404U CN204974730U CN 204974730 U CN204974730 U CN 204974730U CN 201520681404 U CN201520681404 U CN 201520681404U CN 204974730 U CN204974730 U CN 204974730U
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- roll shaft
- bearing
- blow pipe
- tight device
- gas blow
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Abstract
The utility model relates to a roller watertight fittings, including annular gas blow pipe, the diameter looks adaptation of the sealing washer in the diameter of annular gas blow pipe and the roller bearing frame, and outside being fixed in the bearing cap corresponding to this sealing washer, offer a plurality of gas holes to being less than annular gas blow pipe on keeping away from a side wall surface of bearing cap, annular gas blow pipe is connected with the air supply pipe to intraductal air feed. Still relate to a roller in addition, its adoption as above watertight fittings. Blow through setting up annular gas blow pipe for the cooling water that splashes to the sealing washer outside change to, thereby reduce the probability that the cooling water got into the bearing. The sealing mechanism of this watertight fittings fitted bearing seat can obtain good water -proof effects, and is simultaneously also better to other isolation effects of easily polluting the particle etc. Of bearing. In sealing members such as the sealing washer wearing and tearing back of bearing frame, this watertight fittings can effectively avoid the cooling water to get into the bearing to improve equipment's life.
Description
Technical field
The utility model belongs to technical field of metallurgical equipment, relates to a kind of roll shaft water-tight device and a kind of roll shaft.
Background technology
In Rolling Production process, during rotatable roll shaft work, workpiece often has residual cooling water be splashed on the bearing block of roll shaft, along with the wearing and tearing of seal, cooling water can enter in bearing, makes bearing lubrication conditions worsen, affects the service life of bearing.And change bearing and seal the equipment set will dismantled on the axle of outside, very consuming time.Due to limited space between bearing block and rolled piece, minimum only has 15mm, and have the various method except water treatment, effect is all undesirable before.
Therefore be necessary to design a kind of roll shaft water-tight device and a kind of roll shaft, to overcome the problems referred to above.
Utility model content
The utility model embodiment relates to a kind of roll shaft water-tight device and a kind of roll shaft, at least can solve the segmental defect of prior art.
The utility model embodiment relates to a kind of roll shaft water-tight device, comprises annular gas blow pipe, and the diameter of the sealing ring in the diameter of described annular gas blow pipe and roll shaft bearing pedestal is suitable, and corresponds to sealing circle and be fixed on outside bearing cap; Offer multiple gas hole to being less than described annular gas blow pipe away from a side wall surface of described bearing cap, described annular gas blow pipe is connected with the air supply pipe of air feed in pipe.
As one of embodiment, gas hole is the first gas hole at least partially, and the blowing direction of described first gas hole is tilt to bearing cap lateral direction towards the central axis of roll shaft body from bearing cap.
As one of embodiment, the blowing direction of each described first gas hole and the angle of horizontal direction are all within the scope of 55 ° ~ 75 °.
As one of embodiment, each described first gas hole annular on described annular gas blow pipe is evenly arranged.
As one of embodiment, described first gas hole is 10 ~ 12.
As one of embodiment, some gas hole is the second gas hole, and the blowing direction of described second gas hole is tilt to the central axis of bearing cap lateral direction roll shaft body dorsad from bearing cap.
As one of embodiment, each described second gas hole is taper hole, and from the inwall of described annular gas blow pipe to outer wall direction, the aperture of described taper hole increases gradually.
As one of embodiment, described annular gas blow pipe is fixed on outside bearing cap by multiple pipe clamp.
As one of embodiment, the pipe external diameter of described annular gas blow pipe is 8mm.
The utility model embodiment also relates to a kind of roll shaft, comprises roll shaft, bearing block and bearing, outside the bearing cap of bearing block, be fixed with water-tight device, and described water-tight device adopts roll shaft water-tight device as above.
The utility model embodiment at least achieves following beneficial effect: blow by arranging annular gas blow pipe, makes the cooling water changed course of splashing outside sealing ring, thus reduces the probability that cooling water enters bearing.The sealing mechanism of this water-tight device fitted shaft bearing can obtain good waterproof effect, and the isolation effect simultaneously other being easy to the particulate of pollution bearing etc. is also better.After the sealing part abrasion such as sealing ring of bearing block, this water-tight device can effectively avoid cooling water to enter bearing, thus improves the service life of equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the roll shaft that Fig. 1 provides for the utility model embodiment;
The cross section structure schematic diagram of the annular gas blow pipe that Fig. 2 provides for the utility model embodiment;
The structural representation of the annular gas blow pipe that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the cross-sectional schematic of Fig. 3 along A-A.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As Fig. 1, in H profile steel straightener straightening process, cooling water residual in H profile steel can be splashed on the bearing block 2 of roll shaft, and along with the wearing and tearing of seal, cooling water can enter bearing 1, bearing 1 lubrication state is worsened, affects the service life of bearing 1.Above-mentioned roll shaft comprises roll shaft body 4, bearing block 2, bearing 1 and collars 3, and collars 3 is set on roll shaft body 4, and bearing 1 is positioned at bearing block 2, for supporting roller body 4.O-ring seal is provided with, for isolation bearing 1 with extraneous in bearing block 2.
As Fig. 1-Fig. 4, the utility model embodiment provides a kind of roll shaft water-tight device, comprises annular gas blow pipe 6, and the diameter of the sealing ring in the diameter of described annular gas blow pipe 6 and roll shaft bearing pedestal 2 is suitable, and corresponds to sealing circle and be fixed on outside bearing cap; Offer multiple gas hole 61 to being less than described annular gas blow pipe 6 away from a side wall surface of described bearing cap, described annular gas blow pipe 6 is connected with the air supply pipe 5 of air feed in pipe, and this air supply pipe 5 is communicated with compressed air source.As Fig. 1, the diameter of annular gas blow pipe 6 is roughly the same with the diameter of sealing ring, the position that annular gas blow pipe 6 is fixed on bearing cap outer surface is roughly corresponding with the position of sealing ring, namely roughly coaxial, this annular gas blow pipe 6 is outwards blown, make the cooling water changed course that intake tunnel outside sealing ring splashes, thus reduce the probability that cooling water enters above-mentioned intake tunnel.Described annular gas blow pipe 6 refers to away from a side wall surface of bearing cap: with the vertical centre symmetry line of annular gas blow pipe 6 for datum line, annular gas blow pipe 6 is divided into left and right two parts by this datum line, left part is near bearing cap, right part is near collars 3, and this right part is the wall of described annular gas blow pipe 6 away from the side of bearing cap.
The above-mentioned annular gas blow pipe 6 of further optimization, in multiple gas hole 61, the blowing direction of gas hole 61 is tilt to bearing cap lateral direction towards the central axis of roll shaft body 4 from bearing cap at least partially, this part gas hole 61 can purge the cooling water of the close sealing ring splashed down on bearing block 2, prevents cooling water from entering in bearing 1.Define this part gas hole 61 and be the first gas hole 61, the blowing direction of each described first gas hole 61 and the angle of horizontal direction, all within the scope of 55 ° ~ 75 °, purge effect preferably to reach; Each described first gas hole 61 annular on described annular gas blow pipe 6 is evenly arranged, and purges effect uniformly to reach.In the present embodiment, described first gas hole 61 is 10 ~ 12.In addition, above-mentioned first gas hole 61 is preferably circular hole, and aperture is at about 1.5mm.
The above-mentioned annular gas blow pipe 6 of further optimization, in multiple gas hole 61, the blowing direction of some gas hole 61 is tilt to the central axis of bearing cap lateral direction roll shaft body 4 dorsad from bearing cap; This part gas hole 61 can purge the cooling water splashed to bearing block 2, and cooling water is altered course.Define this part gas hole 61 and be the second gas hole 61, each described second gas hole 61 is taper hole, and from the inwall of described annular gas blow pipe 6 to outer wall direction, the aperture of described taper hole increases gradually.Taper hole is set and can obtains larger purging scope, thus improve purging effect.
As Fig. 3 and Fig. 4, described annular gas blow pipe 6 is fixed on outside bearing cap by multiple pipe clamp 7.Usually, arrange 4 pipe clamps 7, these 4 pipe clamps 7 are arranged along this annular gas blow pipe 6 even circumferential, and fixed structure stability is high.
As Fig. 2, the pipe external diameter of described annular gas blow pipe 6 is 8mm, and bore is 6mm, can solve the problem of limited space between bearing block 2 and rolled piece.In the present embodiment, this annular gas blow pipe 6 preferably adopts annular copper pipe.
The sealing mechanism of the water-tight device fitted shaft bearing 2 that the present embodiment provides can obtain good waterproof effect, and the isolation effect simultaneously other being easy to the particulate of pollution bearing 1 etc. is also better.After the sealing part abrasion such as sealing ring of bearing block 2, this water-tight device can effectively avoid cooling water to enter bearing 1, thus improves the service life of equipment.
In addition, the utility model embodiment also relates to a kind of roll shaft, comprises roll shaft body 4, bearing block 2 and bearing 1, outside the bearing cap of bearing block 2, is fixed with water-tight device, and described water-tight device adopts roll shaft water-tight device as above.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a roll shaft water-tight device, is characterized in that: comprise annular gas blow pipe, and the diameter of the sealing ring in the diameter of described annular gas blow pipe and roll shaft bearing pedestal is suitable, and corresponds to sealing circle and be fixed on outside bearing cap; Offer multiple gas hole to being less than described annular gas blow pipe away from a side wall surface of described bearing cap, described annular gas blow pipe is connected with the air supply pipe of air feed in pipe.
2. roll shaft water-tight device according to claim 1, is characterized in that: gas hole is the first gas hole at least partially, and the blowing direction of described first gas hole is tilt to bearing cap lateral direction towards the central axis of roll shaft body from bearing cap.
3. roll shaft water-tight device according to claim 2, is characterized in that: the blowing direction of each described first gas hole and the angle of horizontal direction are all within the scope of 55 ° ~ 75 °.
4. the roll shaft water-tight device according to Claims 2 or 3, is characterized in that: each described first gas hole annular on described annular gas blow pipe is evenly arranged.
5. roll shaft water-tight device according to claim 4, is characterized in that: described first gas hole is 10 ~ 12.
6. roll shaft water-tight device according to claim 2, is characterized in that: some gas hole is the second gas hole, and the blowing direction of described second gas hole is tilt to the central axis of bearing cap lateral direction roll shaft body dorsad from bearing cap.
7. roll shaft water-tight device according to claim 6, is characterized in that: each described second gas hole is taper hole, and from the inwall of described annular gas blow pipe to outer wall direction, the aperture of described taper hole increases gradually.
8. roll shaft water-tight device according to claim 1, is characterized in that: described annular gas blow pipe is fixed on outside bearing cap by multiple pipe clamp.
9. roll shaft water-tight device according to claim 1, is characterized in that: the pipe external diameter of described annular gas blow pipe is 8mm.
10. a roll shaft, comprises roll shaft body, bearing block and bearing, it is characterized in that: outside the bearing cap of bearing block, be fixed with water-tight device, and described water-tight device adopts roll shaft water-tight device as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681404.1U CN204974730U (en) | 2015-09-06 | 2015-09-06 | Roller watertight fittings and roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681404.1U CN204974730U (en) | 2015-09-06 | 2015-09-06 | Roller watertight fittings and roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204974730U true CN204974730U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520681404.1U Active CN204974730U (en) | 2015-09-06 | 2015-09-06 | Roller watertight fittings and roller |
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| Country | Link |
|---|---|
| CN (1) | CN204974730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623438A (en) * | 2017-01-03 | 2017-05-10 | 李华 | Waterproof device for cold-rolling line backup roll chock |
-
2015
- 2015-09-06 CN CN201520681404.1U patent/CN204974730U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623438A (en) * | 2017-01-03 | 2017-05-10 | 李华 | Waterproof device for cold-rolling line backup roll chock |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |