CN206326454U - Mill mill bar assembly in a kind of cast tube sockets of DN350~800 - Google Patents
Mill mill bar assembly in a kind of cast tube sockets of DN350~800 Download PDFInfo
- Publication number
- CN206326454U CN206326454U CN201621460605.XU CN201621460605U CN206326454U CN 206326454 U CN206326454 U CN 206326454U CN 201621460605 U CN201621460605 U CN 201621460605U CN 206326454 U CN206326454 U CN 206326454U
- Authority
- CN
- China
- Prior art keywords
- bearing
- rear end
- bar assembly
- grinding wheel
- oil seal
- 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 - Fee Related
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- 229910001651 emery Inorganic materials 0.000 claims abstract description 31
- 239000000945 filler Substances 0.000 claims description 18
- 210000004907 gland Anatomy 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 238000005498 polishing Methods 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 41
- 238000007789 sealing Methods 0.000 description 16
- 239000000428 dust Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Abstract
The utility model discloses mill bar assembly, including emery wheel, grinding wheel spindle and driving pulley is ground in a kind of cast tube sockets of DN350~800, emery wheel is pressed on emery wheel by locking nut and clamped on bushing；Mill bar assembly is provided with grinding wheel spindle front support and grinding wheel spindle rear support；One end that grinding wheel spindle installs emery wheel is front end；The one end for installing driving pulley is rear end；Grinding wheel spindle front support, which is set, is arranged in juxtaposition bearing behind front end fore bearing and front end, and grinding wheel spindle rear support sets rear end bearing；The endoporus of bearing and rear end bearing is sleeved on grinding wheel spindle behind front end fore bearing, front end；Bearing and rear end bearing are arranged in the endoporus of bearing mounting sleeve by its outer round surface behind front end fore bearing, front end.Using above-mentioned technical proposal, bearing pollutant entrance caused by equipment is used for a long time at two ends is prevented from；Safer and stably, fault rate is lower, and service life is longer, can also be applied to the polishing system of similar working condition.
Description
Technical field
The utility model belongs to the technical field of ductile iron pipe manufacturing process equipment, is related to its bellmouth process equipment skill
Art.More specifically, the utility model is related to mill mill bar assembly in a kind of cast tube sockets of DN350~800.
Background technology
The inner stopper of cast tube sockets needs to carry out grinding, to ensure its internal orifice size and surface quality, meets pipe
The quality requirement that road connection coordinates.
But there is following defect in prior art：
1st, in the prior art, mill mill bar assembly in the bellmouth of the cast tube of DN350~800, its mill bar lacks sealing, had very
To the sealing of simple and practical felt-cloth, often fallen off during use, cause bearing easily to pollute and fail；
2nd, mill bar axle two ends of the prior art respectively use a disk bearings, but in bellmouth grinder work in, emery wheel part
Stress is larger, and vibrations and impact are also big, and front end bearing wear is larger.
Utility model content
The utility model provides mill mill bar assembly in a kind of cast tube sockets of DN350~800, and the purpose is to improve cast tube sockets
Internal orifice size and surface quality.
To achieve these goals, the technical scheme that the utility model is taken is：
DN350 of the present utility model~800 cast tube sockets are interior to grind mill bar assembly, including emery wheel, grinding wheel spindle and driving belt
Wheel, described emery wheel is pressed on emery wheel by locking nut and clamped on bushing；Described mill bar assembly is provided with grinding wheel spindle front support
With grinding wheel spindle rear support；
One end that described grinding wheel spindle installs emery wheel is front end；The one end for installing driving pulley is rear end；
Described grinding wheel spindle front support sets to be arranged in juxtaposition after bearing behind front end fore bearing and front end, described grinding wheel spindle and propped up
Hold setting rear end bearing；
The endoporus of bearing and rear end bearing is sleeved on described grinding wheel spindle behind described front end fore bearing, front end；
Bearing and rear end bearing are arranged on bearing mounting sleeve by its outer round surface behind described front end fore bearing, front end
Endoporus in.
Described grinding wheel spindle front support is provided with after front end Front oil seal and front end Rear oil seal, described front end Front oil seal and front end
Oil sealing is arranged in the outer end and the inner of the bearing of front end two.
Described grinding wheel spindle front support sets front end end cap, and described front end end cap is arranged on described bearing mounting sleeve
Front port；Described emery wheel clamps the inner ring end face that bushing withstands on described front end fore bearing；Described front end Front oil seal is set
In emery wheel clamps annular gap of the bushing with front end end cap.
Described grinding wheel spindle rear support is provided with after rear end Front oil seal and rear end Rear oil seal, described rear end Front oil seal and rear end
Oil sealing is arranged in the inner and outer end of rear end bearing.
Described grinding wheel spindle rear support sets rear end gland and belt pulley bushing；Bearing peace described in described rear end gland
The rear port of encapsulation；The two ends of described belt pulley bushing are contacted with driving pulley and rear end bearing respectively；Described rear end
Rear oil seal is arranged in the annular gap of belt pulley bushing and rear end gland.
Front end tank filler sleeve is set on described bearing mounting sleeve, and the inner orifice of described front end tank filler sleeve is in described front end
Axial gap position after fore bearing and front end between bearing；Installed in described bearing in the outer aperture of described front end tank filler sleeve
On the outer surface of set, and sealed by screw.
The back-end central of described grinding wheel spindle sets rear end tank filler sleeve, and its aperture is sealed by screw；Described rear end adds
The lateral aperture of oilhole is located on the outer round surface of grinding wheel spindle, the axial gap position between rear end bearing and rear end Front oil seal
Put.
Described mill bar assembly is arranged in mill bar assembly fixed seat by bearing mounting sleeve.
The utility model uses above-mentioned technical proposal, and the bearing for being prevented from two ends pollutes caused by equipment is used for a long time
Thing enters；Safer and stably, fault rate is lower, and service life is longer, can also be applied to the polishing system of similar working condition
System.
Brief description of the drawings
Content shown in accompanying drawing and the mark in figure are briefly described as follows：
Fig. 1 is structural representation of the present utility model.
Marked in figure：
1st, locking nut, 2, emery wheel, 3, emery wheel clamp bushing, 4, front end end cap, 5, front end fore bearing, 6, front end rear axle
Hold, 7, front end Front oil seal, 8, front end Rear oil seal, 9, grinding wheel spindle, 10, bearing mounting sleeve, 11, rear end Front oil seal, 12, rear end axle
Hold, 13, rear end Rear oil seal, 14, rear end gland, 15, belt pulley bushing, 16, driving pulley, 17, mill bar assembly fixed seat,
18th, front end tank filler sleeve, 19, rear end tank filler sleeve.
Embodiment
Below against accompanying drawing, by the description to embodiment, embodiment of the present utility model is made further in detail
Thin explanation, with help those skilled in the art have to inventive concept of the present utility model, technical scheme it is more complete, accurate and
Deep understanding.
Structure of the present utility model as shown in Figure 1, which is that a kind of DN350~800 cast tube sockets are interior, grinds mill bar assembly, including sand
Wheel 2, grinding wheel spindle 9 and driving pulley 16, described emery wheel 2 are pressed on emery wheel by locking nut 1 and clamped on bushing 3；It is described
Mill bar assembly be provided with grinding wheel spindle front support and grinding wheel spindle rear support；One end that described grinding wheel spindle 9 installs emery wheel 2 is front end；
The one end for installing driving pulley 16 is rear end.
Grinding wheel spindle 9 has final drive belt pulley 16 to realize rotation by external impetus transmission.
In order to solve the problem of prior art is present and overcome its defect, realize improve cast tube sockets internal orifice size and
The goal of the invention of surface quality, the technical scheme that the utility model is taken is：
As shown in figure 1, DN350 of the present utility model~800 cast tube sockets interior is ground propped up before mill bar assembly, described grinding wheel spindle
Hold setting and be arranged in juxtaposition bearing 6 behind front end fore bearing 5 and front end, described grinding wheel spindle rear support sets rear end bearing 12.
Because the stress of the front end of mill bar is larger, working condition reason is complexity, so, front end uses the supporting knot of duplex bearing
Structure, shares front end stress and vibrations, can effectively increase the service life.Total need to only carry out conventional lubrication work i.e.
Can.
The endoporus of bearing 6 and rear end bearing 12 is sleeved on described grinding wheel spindle 9 behind described front end fore bearing 5, front end
On；
Bearing 6 and rear end bearing 12 are pacified by its outer round surface installed in bearing behind described front end fore bearing 5, front end
In the endoporus of encapsulation 10.
Separated after front end fore bearing 5 and front end between bearing 6 by spacer or jump ring.
The utility model provides mill assembling knot in the bellmouth that safer, more stable, fault rate is lower, service life is longer
Structure, while can be used for the polishing system of similar working condition.
Forward end seal structure：
Described grinding wheel spindle front support is provided with front end Front oil seal 7 and front end Rear oil seal 8, and described front end Front oil seal 7 is with before
End Rear oil seal 8 is arranged in the outer end and the inner of the bearing of front end two.
The locking nut 1 for clamping emery wheel clamps rotation set and is designed to labyrinth structure, and the first half of front end end cap 4 sealing knot
Structure is coupled, and constitutes the sealing of Part I dust, and double oil seal is installed in the inner side of front end end cap 4, and mounting means is internal to covering dirt
Oil sealing, 3 layers of sealing effectively protection front end pollutant.The sealing being externally covered with dust to inner oil seal is again provided with after the duplex bearing of front end,
Prevent that chamber inner oxide or wearer from polluting.Preceding end bearing is effectively protected.
Bearing both sides are respectively mounted double oil seal：Front end Front oil seal 7 and front end Rear oil seal 8, mounting means are to be to bearing side
Oil sealing, is to be covered with dust to outside.
Front end Front oil seal 7 is arranged on front end end cap 4, and the outer end of front end end cap 4 is provided with labyrinth seal structure, with clamping sand
The emery wheel of wheel 2 clamps the labyrinth structure formation coupling on bushing 3.
Described grinding wheel spindle front support sets front end end cap 4, and described front end end cap 4 is arranged on described bearing mounting sleeve
10 front port；Described emery wheel clamps the inner ring end face that bushing 3 withstands on described front end fore bearing 5；It is oily before described front end
Envelope 7 is arranged in the annular gap that emery wheel clamps bushing 3 and front end end cap 4.
In summary, preceding end bearing is covered with dust 5 layers of sealing structure using labyrinth seal-be covered with dust-oil sealing-bearing-oil sealing-.
Back-end sealing structure：
Described grinding wheel spindle rear support is provided with rear end Front oil seal 11 and rear end Rear oil seal 13, the described He of rear end Front oil seal 11
Rear end Rear oil seal 13 is arranged in the inner and outer end of rear end bearing.
Double oil seal is all set before and after rear end bearing, and internal oil sealing equally can effectively prevent that bearing from polluting to covering dirt.
Described grinding wheel spindle rear support sets rear end gland 14 and belt pulley bushing 15；Described in described rear end gland 14
The rear port of bearing mounting sleeve 10；The two ends of described belt pulley bushing 15 connect with driving pulley 16 and rear end bearing 12 respectively
Touch；Described rear end Rear oil seal 13 is arranged in the annular gap of belt pulley bushing 15 and rear end gland 14.
The both sides of rear end bearing 12 are equally provided with two sets of double oil seals and sealed, while after bearing mounting sleeve 10
End, another side is arranged on rear end gland 14.
In summary, rear end bearing using being covered with dust-oil sealing-bearing-oil sealing-is covered with dust 4 layers of sealing structure.
Said structure can be realized well prevents that bearing two ends pollutant caused by equipment is used for a long time from entering.
Front end tank filler sleeve 18 is set on described bearing mounting sleeve 10, and the inner orifice of described front end tank filler sleeve 18 is described
Front end fore bearing 5 and front end after axial gap position between bearing 6；The outer aperture of described front end tank filler sleeve 18 is described
Bearing mounting sleeve 10 outer surface on, and sealed by screw.
The back-end central of described grinding wheel spindle 9 sets rear end tank filler sleeve 19, and its aperture is sealed by screw；Described rear end
The lateral aperture of tank filler sleeve 19 is located on the outer round surface of grinding wheel spindle 9, between rear end bearing 12 and rear end Front oil seal 11
Axial gap position.
Due to using for a long time, lubricating oil finally dries up, so needing by front end tank filler sleeve 18 and rear end tank filler sleeve
19 make-up oils, it is ensured that the good lubrication of front and back bearings.
Described mill bar assembly is arranged in mill bar assembly fixed seat 17 by bearing mounting sleeve 10.
The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the utility model implement not by
The limitation of aforesaid way, as long as employing changing for the various unsubstantialities that method design of the present utility model and technical scheme are carried out
Enter, or it is not improved by it is of the present utility model design and technical scheme directly apply to other occasions, in the utility model
Protection domain within.
Claims (8)
1. a kind of DN350~800 cast tube sockets are interior to grind mill bar assembly, including emery wheel (2), grinding wheel spindle (9) and driving pulley
(16), described emery wheel (2) is pressed on emery wheel by locking nut (1) and clamped on bushing (3)；Described mill bar assembly is provided with sand
Wheel shaft front support and grinding wheel spindle rear support；
One end that described grinding wheel spindle (9) installs emery wheel (2) is front end；The one end for installing driving pulley (16) is rear end；
It is characterized in that：
Described grinding wheel spindle front support sets and is arranged in juxtaposition behind front end fore bearing (5) and front end after bearing (6), described grinding wheel spindle
Supporting sets rear end bearing (12)；
The endoporus of bearing (6) and rear end bearing (12) is sleeved on described grinding wheel spindle behind described front end fore bearing (5), front end
(9) on；
Bearing (6) and rear end bearing (12) are arranged on bearing by its outer round surface behind described front end fore bearing (5), front end
In the endoporus of installation set (10).
2. according to grinding mill bar assembly in the cast tube sockets of the DN350 described in claim 1~800, it is characterised in that：Described emery wheel
Axle front support is provided with front end Front oil seal (7) and front end Rear oil seal (8), described front end Front oil seal (7) and front end Rear oil seal (8) point
The outer end and the inner of the bearing of front end two are not arranged in.
3. according to grinding mill bar assembly in the cast tube sockets of the DN350 described in claim 2~800, it is characterised in that：Described emery wheel
Axle front support sets front end end cap (4), and described front end end cap (4) is arranged on the front port of described bearing mounting sleeve (10)；
Described emery wheel clamps the inner ring end face that bushing (3) withstands on described front end fore bearing (5)；Described front end Front oil seal (7) is set
Put in emery wheel clamps annular gap of the bushing (3) with front end end cap (4).
4. according to grinding mill bar assembly in the cast tube sockets of the DN350 described in claim 1~800, it is characterised in that：Described emery wheel
Axle rear support is provided with rear end Front oil seal (11) and rear end Rear oil seal (13), described rear end Front oil seal (11) and rear end Rear oil seal
(13) the inner and outer end of rear end bearing are arranged in.
5. according to grinding mill bar assembly in the cast tube sockets of the DN350 described in claim 4~800, it is characterised in that：Described emery wheel
Axle rear support sets rear end gland (14) and belt pulley bushing (15)；Bearing mounting sleeve described in described rear end gland (14)
(10) rear port；The two ends of described belt pulley bushing (15) connect with driving pulley (16) and rear end bearing (12) respectively
Touch；Described rear end Rear oil seal (13) is arranged in the annular gap of belt pulley bushing (15) and rear end gland (14).
6. according to grinding mill bar assembly in the cast tube sockets of the DN350 described in claim 1~800, it is characterised in that：Described bearing
Front end tank filler sleeve (18) is set in installation set (10), and the inner orifice of described front end tank filler sleeve (18) is in described front end fore bearing
And the axial gap position behind front end between bearing (6) (5)；The outer aperture of described front end tank filler sleeve (18) is in described bearing
On the outer surface of installation set (10), and sealed by screw.
7. according to grinding mill bar assembly in the cast tube sockets of the DN350 described in claim 4~800, it is characterised in that：Described emery wheel
The back-end central of axle (9) sets rear end tank filler sleeve (19), and its aperture is sealed by screw；The horizontal stroke of described rear end tank filler sleeve (19)
On the outer round surface that grinding wheel spindle (9) are located to aperture, between the axial direction between rear end bearing (12) and rear end Front oil seal (11)
Gap position.
8. according to grinding mill bar assembly in the cast tube sockets of the DN350 described in claim 1~800, it is characterised in that：Described mill bar
Assembly is arranged in mill bar assembly fixed seat (17) by bearing mounting sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460605.XU CN206326454U (en) | 2016-12-29 | 2016-12-29 | Mill mill bar assembly in a kind of cast tube sockets of DN350~800 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460605.XU CN206326454U (en) | 2016-12-29 | 2016-12-29 | Mill mill bar assembly in a kind of cast tube sockets of DN350~800 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206326454U true CN206326454U (en) | 2017-07-14 |
Family
ID=59292840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621460605.XU Expired - Fee Related CN206326454U (en) | 2016-12-29 | 2016-12-29 | Mill mill bar assembly in a kind of cast tube sockets of DN350~800 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206326454U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625060A (en) * | 2016-12-29 | 2017-05-10 | 芜湖新兴铸管有限责任公司 | DN350-800 casting pipe mouthing internal grinding rod assembly |
| CN116749065A (en) * | 2023-08-17 | 2023-09-15 | 哈尔滨理工大学 | Metal material surface treatment equipment |
-
2016
- 2016-12-29 CN CN201621460605.XU patent/CN206326454U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625060A (en) * | 2016-12-29 | 2017-05-10 | 芜湖新兴铸管有限责任公司 | DN350-800 casting pipe mouthing internal grinding rod assembly |
| CN116749065A (en) * | 2023-08-17 | 2023-09-15 | 哈尔滨理工大学 | Metal material surface treatment equipment |
| CN116749065B (en) * | 2023-08-17 | 2023-11-03 | 哈尔滨理工大学 | Metal material surface treatment equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 |