CN203348553U - Welding die sliding block bearing sealing device - Google Patents
Welding die sliding block bearing sealing device Download PDFInfo
- Publication number
- CN203348553U CN203348553U CN 201320330045 CN201320330045U CN203348553U CN 203348553 U CN203348553 U CN 203348553U CN 201320330045 CN201320330045 CN 201320330045 CN 201320330045 U CN201320330045 U CN 201320330045U CN 203348553 U CN203348553 U CN 203348553U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- sealing
- bearing
- sliding block
- slide block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model relates to the technical field of bearing sealing, and provides a welding die sliding block bearing sealing device. The welding die sliding block bearing sealing device comprises a sliding block which is embedded in a sealing seat and fixed by a pressing plate. An installation hole for installing a main shaft is formed in the center of the sliding block, the main shaft is arranged in the installation hole through two bearings in a rotating mode, the outer end, extending out of the sliding block, of the main shaft is fixedly connected with a welding die, the shaft end, extending into the sliding block, of the main shaft is connected with the sliding block in a rotating mode through the first bearing, and the end portion of the main shaft is provided with a round nut for locating the main shaft. The main shaft is connected with the outer end of the sliding block in a rotating mode through the second bearing, a sealing pressing cover is arranged at the outer end of the second bearing, and a labyrinth sealing structure is arranged between the sealing pressing cover and the main shaft. According to the welding die sliding block bearing sealing device, the labyrinth sealing structure is used for achieving sealing of the sliding block and the bearings, reliability of sealing is improved, maintenance cost of a welding machine is reduced, and production efficiency is improved.
Description
Technical field
The utility model relates to the seal arrangement technical field, particularly a kind of welding mode slider associated sealing arrangement for bearings in high frequency induction welder.
Background technique
In prior art, the slipper bearing sealing of high-frequency straight seam welded pipe unit soldering installation all adopts rubber seal rings for seal usually, in use usually occur that bearing is stuck because sewage foreign material etc. enter corrosion, cause bearing failure, even stuck, affect welding precision.Because welding surroundings is severe, welding temperature is higher, even select high-quality inlet seal circle to carry out the slipper bearing sealing, also can only extend in right amount the working life of seal ring, but still need periodic replacement, increase maintenance frequency and the cost of welding machine, affect manufacturing efficiency, and increase operator's labor intensity.
The model utility content
The problem that the utility model exists for prior art, provide a kind of welding mode slider associated sealing arrangement for bearings, adopts mechanical seal structure to realize the sealing of slipper bearing, to improve sealing reliability, reduces the welding machine maintenance cost, enhances productivity.
The purpose of this utility model is to realize like this, a kind of welding mode slider associated sealing arrangement for bearings, comprise slide block, described slide block sealing is inlaid in welding base and fixes by pressing plate, the slide block center is provided with for the mounting hole of main shaft is installed, described main shaft is rotatably supported in mounting hole by two bearings, the outer end that main shaft stretches out slide block is fixedly connected with the welding mould, the axle head that described main shaft stretches into slide block inside is rotationally connected by bearing one and slide block and spindle nose is provided with the round nut for positioning spindle, described main shaft and slide block outer end are rotationally connected by bearing two, bearing two outer ends are provided with sealing gland, be provided with labyrinth seal structure between described sealing gland and main shaft.
In the utility model, main shaft and slide block end adopt labyrinth seal structure, with respect to seal ring sealing configuration of the prior art, the sealability at sealing position is not subject to the impact of ambient temperature, and sealing is reliable, does not need frequently to change Sealing, reduce plant maintenance and support working strength, and labyrinth seal structure connects closely sealed member, effectively prevents that foreign matter and impurity etc. are stuck by bearing, improves the reliability of Whole Equipment.
For further realizing the purpose of this utility model, the interior edge face that described sealing gland contacts with bearing two is provided with the pressure ring for the projection with bearing two outer ring sealings, described main shaft is provided with for the cambered outwards step in the footpath of fixing seal gland, and described labyrinth seal structure is arranged between the end face that step contacts with sealing gland.
For realizing the reliability of sealing, described labyrinth seal structure comprises the annular double wedge coordinated with annular groove on annular groove on the step surface contacted with sealing gland and sealing gland end face.
For ease of fixing of welding mould, described welding mould is connected by key with main shaft, on the inner and main shaft, between the step of evagination, by spacer, locates, and outer end is fixed by gland.
The accompanying drawing explanation
Fig. 1 is welding mode slider associated sealing arrangement for bearings structural drawing of the present utility model.
Wherein, 1 welding base; 2 slide blocks; 3 pressing plates; 4 welding moulds; 5 spacers; 6 spacers; 7 sealing covers; 701 pressure rings; 8 bearings two; 9 main shafts; 901 steps; 10 bearings one; 11 round nuts.
Embodiment
Be illustrated in figure 1 a kind of welding mode slider associated sealing arrangement for bearings of the present utility model, comprise slide block 2, slide block 2 sealings are inlaid in welding base 1 and by pressing plate 3 to be fixed, slide block 2 centers are provided with for the mounting hole of main shaft 9 is installed, main shaft 9 is rotatably supported in mounting hole by two bearings, the outer end that main shaft 9 stretches out slide block 2 is fixedly connected with welding mould 4, the axle head that main shaft 9 stretches into slide block 2 inside is rotationally connected by bearing 1 and slide block 2 and main shaft 9 ends are provided with the round nut 11 for positioning spindle 9, main shaft 9 is rotationally connected by bearing 28 with slide block 2 outer ends, bearing 28 outer ends are provided with sealing gland 7, be provided with labyrinth seal structure between sealing gland 7 and main shaft 9, the interior edge face that sealing gland 7 contacts with bearing 28 is provided with the pressure ring 701 for the projection with bearing 28 outer ring sealings, main shaft 9 is provided with for the cambered outwards step 901 in the footpath of fixing seal gland 7, and labyrinth seal structure is arranged between the end face that step 901 contacts with sealing gland 7, for further realizing that the reliability of sealing, labyrinth seal structure comprise the annular double wedge coordinated with annular groove on annular groove on step 901 end faces that contact with sealing gland 7 and sealing gland 7 end faces, for ease of fixing of welding mould 4, welding mould 4 is connected by key with main shaft 9, passes through spacer 6 location on the inner and main shaft 9 between the step 901 of evagination, and outer end is fixed by gland 5.
In the utility model, main shaft 9 adopts labyrinth seal structure with slide block 2 ends, with respect to seal ring sealing configuration of the prior art, the sealability at sealing position is not subject to the impact of ambient temperature, and sealing is reliable, does not need quick replacing Sealing frequently, reduce plant maintenance and protect working strength, and labyrinth seal structure connects closely sealed member, effectively prevents that foreign matter and impurity etc. are stuck by bearing, improves the reliability of Whole Equipment.
The utility model is not limited to above-described embodiment; for example; groove in labyrinth seal structure with together with double wedge can be disposed radially according to seal request, twice or three roads; every on the basis of the disclosed technological scheme of the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some replacements and distortion to some technical characteristicss wherein, these replacements and distortion are all in the scope of the utility model protection.
Claims (4)
1. one kind is welded the mode slider associated sealing arrangement for bearings, comprise slide block, described slide block sealing is inlaid in welding base and fixes by pressing plate, the slide block center is provided with for the mounting hole of main shaft is installed, described main shaft is rotatably supported in mounting hole by two bearings, the outer end that main shaft stretches out slide block is fixedly connected with the welding mould, the axle head that described main shaft stretches into slide block inside is rotationally connected by bearing one and slide block and spindle nose is provided with the round nut for positioning spindle, described main shaft and slide block outer end are rotationally connected by bearing two, it is characterized in that, bearing two outer ends are provided with sealing gland, be provided with labyrinth seal structure between described sealing gland and main shaft.
2. weld according to claim 1 the mode slider associated sealing arrangement for bearings; it is characterized in that; the interior edge face that described sealing gland contacts with bearing two is provided with the pressure ring for the projection with bearing two outer ring sealings; described main shaft is provided with for the cambered outwards step in the footpath of fixing seal gland, and described labyrinth seal structure is arranged between the end face that step contacts with sealing gland.
3. weld according to claim 2 the mode slider associated sealing arrangement for bearings, it is characterized in that, described labyrinth seal structure comprises the annular double wedge coordinated with annular groove on annular groove on the step surface contacted with sealing gland and sealing gland end face.
4. according to claim 1 or 2 or 3 described welding mode slider associated sealing arrangement for bearings, it is characterized in that, described welding mould is connected by key with main shaft, on the inner and main shaft, between the step of evagination, by spacer, locates, and outer end is fixed by gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320330045 CN203348553U (en) | 2013-06-08 | 2013-06-08 | Welding die sliding block bearing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320330045 CN203348553U (en) | 2013-06-08 | 2013-06-08 | Welding die sliding block bearing sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348553U true CN203348553U (en) | 2013-12-18 |
Family
ID=49748456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320330045 Expired - Lifetime CN203348553U (en) | 2013-06-08 | 2013-06-08 | Welding die sliding block bearing sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348553U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878469A (en) * | 2014-03-26 | 2014-06-25 | 中国化学工程第六建设有限公司 | Zirconium and zirconium alloy welding technology |
| CN104117900A (en) * | 2014-07-28 | 2014-10-29 | 陈晓 | Upper gland of wooden-bead polishing machine |
-
2013
- 2013-06-08 CN CN 201320330045 patent/CN203348553U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878469A (en) * | 2014-03-26 | 2014-06-25 | 中国化学工程第六建设有限公司 | Zirconium and zirconium alloy welding technology |
| CN103878469B (en) * | 2014-03-26 | 2016-03-02 | 中国化学工程第六建设有限公司 | A kind of zirconium and it's alloy welding procedure |
| CN104117900A (en) * | 2014-07-28 | 2014-10-29 | 陈晓 | Upper gland of wooden-bead polishing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |