CN216383553U - Working roll shaft head of straightening machine and working roll of straightening machine - Google Patents
Working roll shaft head of straightening machine and working roll of straightening machine Download PDFInfo
- Publication number
- CN216383553U CN216383553U CN202122616474.7U CN202122616474U CN216383553U CN 216383553 U CN216383553 U CN 216383553U CN 202122616474 U CN202122616474 U CN 202122616474U CN 216383553 U CN216383553 U CN 216383553U
- Authority
- CN
- China
- Prior art keywords
- bearing
- oil
- shaft
- head
- working roll
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 22
- 125000006850 spacer group Chemical group 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 64
- 239000004519 grease Substances 0.000 abstract description 10
- 238000000605 extraction Methods 0.000 abstract description 4
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 238000005097 cold rolling Methods 0.000 abstract description 2
- 210000002445 nipple Anatomy 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 239000000945 filler Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to the technical field of cold rolling, in particular to a working roll shaft head of a straightening machine and a working roll of the straightening machine. This roller head includes the axle journal, the bearing assembly, the bearing overcoat, bearing end cover and pump nozzle, be equipped with the oil extraction clearance between the one end of axle journal and the bearing overcoat, the other end of axle journal is equipped with the bearing end cover, the bearing end cover is connected with the bearing overcoat, one side that the bearing end cover deviates from the axle journal is equipped with first installation cavity, the pump nozzle includes the silk mouth and is used for connecting the pump nozzle head of grease gun, the silk mouth screw thread setting of pump nozzle is in the bearing end cover, the pump nozzle head sets up in first installation cavity, the inside intercommunication of silk mouth and bearing overcoat. The application provides a pair of straightener working roll spindle nose and straightener working roll, when the bearing need mend oil, be connected nozzle oil head and grease gun, lubricating oil flows into the inside of bearing shell through the silk mouth to lubricate the bearing assembly who sets up in the bearing shell, avoided the bearing assembly because of lubricated bad condition that causes the lock.
Description
Technical Field
The utility model relates to the technical field of cold rolling, in particular to a working roll shaft head of a straightening machine and a working roll of the straightening machine.
Background
The work roll bearing of the straightening machine is locked and is a common problem of many production line straightening machines, the work roll bearing of the straightening machine is arranged in the head part of a work roll, the normal replacement period of the work roll is 3-4 months, the work roll bearing does not have any oil supplementing measure in the period, the situation that the bearing is locked when the work roll does not reach the use period often occurs, at the moment, the work roll and related accessories of a roll box need to be replaced in time, the abnormal roll replacement cost is higher, and the production efficiency is influenced. After the working roll shaft heads of the lower line are subjected to disintegration inspection, the main cause of locking is found to be poor lubrication. Lubrication is blood of equipment, plays an important role in normal operation of the equipment, and has been documented, and at least over 40% of equipment faults are caused by poor lubrication. Therefore, the problem that the working roll bearing cannot supplement oil is the main problem which puzzles the service life of the working roll of the straightening machine of each production line at present.
SUMMERY OF THE UTILITY MODEL
The application provides a straightener work roll spindle nose and straightener work roll, has solved prior art in the work roll bearing can't carry out the technical problem of mending oil.
On the one hand, this application provides a straightener work roll spindle nose, including axle journal, bearing assembly, bearing overcoat and pump nozzle, the pump nozzle includes the silk mouthful and is used for connecting the pump nozzle head of grease gun, the one end setting of axle journal is in on the work roll body, the bearing assembly sets up on the axle journal, the bearing overcoat cover is established on the bearing assembly, the other end of axle journal is equipped with the bearing end cover, the bearing end cover with the bearing overcoat is connected, the bearing end cover deviates from one side of axle journal is equipped with first installation cavity, the silk mouthful screw thread setting of pump nozzle is in the bearing end cover, the pump nozzle head sets up in the first installation cavity, the silk mouthful with the inside intercommunication of bearing overcoat.
Further, the bearing assembly includes a first bearing and a second bearing arranged in pairs and back-to-back.
Further, the first bearing and the second bearing are angular contact ball bearings.
Further, the axle journal includes along the working roll shaft arrives first installation axle, second installation axle and the third installation axle of the coaxial setting of bearing end cover direction, the diameter of first installation axle, second installation axle and third installation axle reduces in proper order, first bearing with the second bearing equipment is put the third is installed epaxially, first bearing with be equipped with first spacer ring and the second spacer ring of concentric setting between the second bearing, first spacer ring assembly sets up the third is installed epaxially, the second spacer ring assembly sets up in the inner circle of bearing outer cover.
Furthermore, the inner ring of the first bearing abuts against the second mounting shaft, a threaded portion is arranged at one end, close to the bearing end cover, of the third mounting shaft, a locking nut is arranged on the threaded portion in a matched mode, and the locking nut abuts against the inner ring of the second bearing.
Further, first installation axle and the second installation epaxial first oil blanket and the second oil blanket of being equipped with respectively, the lip mouth of first oil blanket and second oil blanket all faces first bearing, first oil blanket and second oil blanket and be equipped with the oil extraction clearance between the bearing housing.
Further, the bearing end cover comprises a bottom cover and a cover edge which are coaxially arranged, the first installation cavity is arranged in the bottom cover, a second installation cavity is arranged inside the cover edge, the lock nut is arranged in the second installation cavity, and a screw hole of the oil injection nozzle is communicated with the second installation cavity.
Furthermore, the one end cooperation setting at lid reason is in the inner circle of bearing shell, the outside at lid reason is provided with connecting portion, a plurality of first screws have been seted up along circumference on the connecting portion, the bearing shell with it has set up a plurality of second screws to correspond on the relative terminal surface of connecting portion, every first screw all with correspond the second screw passes through bolted connection.
Further, a sealing gasket is arranged between the connecting part and the bearing outer sleeve.
On the other hand, the application provides a working roll of a straightening machine, which comprises the shaft head of the working roll of the straightening machine.
The beneficial effect of this application is as follows:
the application provides a straightener working roll, including straightener working roll roller head, because this roller head is equipped with first installation cavity in one side that the bearing cap deviates from the axle journal, the oil nozzle head of oil filler nipple sets up in first installation cavity, the oil nozzle head can be directly connected with the grease gun promptly, and because the silk mouth screw thread of oil filler nipple sets up in the bearing cap, and the silk mouth of oil filler nipple communicates with the inside of bearing overcoat, when the bearing needs to mend oil, be connected nozzle oil head and grease gun, lubricating oil flows into the inside of bearing overcoat through the silk mouth, push away the old oil in the bearing overcoat from the oil extraction clearance, thereby lubricate the bearing assembly that sets up in the bearing overcoat, avoided the bearing assembly because of lubricated bad condition that causes the lock, and because the oil filler nipple embedding sets up in the bearing cap, thereby protected the oil filler nipple under the condition that does not influence the bearing cap overall dimension simultaneously, so that it is not damaged by external force.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic structural view of a shaft head of a work roll of a leveler provided in this embodiment;
fig. 2 is a schematic structural diagram of a bearing end cover according to the present embodiment;
fig. 3 is a side view of fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a shaft head of a working roll of a straightening machine, fig. 1 is a schematic structural view of the shaft head of the working roll of the straightening machine provided by the embodiment, fig. 2 is a schematic structural view of a bearing end cover provided by the embodiment, and with reference to fig. 1 and fig. 2, the shaft head of the working roll of the straightening machine in the embodiment comprises a shaft neck, a bearing assembly, a bearing housing 10, a bearing end cover 9 and an oil filling nozzle, one end of the shaft neck is arranged on a roll body 1 of the working roll, the bearing assembly is assembled on the shaft neck, the bearing housing 10 is sleeved on the bearing assembly, an oil drainage gap is arranged between one end of the shaft neck and the bearing housing 10, the other end of the shaft neck is provided with the bearing end cover 9, the bearing end cover 9 is connected with the bearing housing 10, one side of the bearing end cover 9, which is away from the shaft neck, is provided with a first mounting cavity 94, the oil filling nozzle comprises a screw opening 101 and a nozzle head 102 for connecting with an oil gun, the screw opening 101 of the oil filling nozzle is arranged in the bearing end cover 9, a nipple 102 is disposed in the first mounting cavity 94 and a nipple 101 communicates with the interior of the bearing housing 10.
In the roller head of the working roller of the straightening machine provided by the embodiment, because the first mounting cavity 94 is arranged on one side of the bearing end cover 9, which is far away from the journal, and the oil nozzle head 102 of the oil nozzle is arranged in the first mounting cavity 94, namely, the oil nozzle head can be directly connected with the oil gun, and because the screw opening 101 of the oil nozzle is arranged in the bearing end cover 9 in a threaded manner, and the screw opening 101 of the oil nozzle is communicated with the inside of the bearing outer sleeve 10, when the bearing needs to be replenished with oil, the oil nozzle head is connected with the oil gun, lubricating oil flows into the inside of the bearing outer sleeve 10 through the screw opening 101, and the old oil in the bearing outer sleeve 10 is ejected out from the oil discharge gap, so that the bearing assembly arranged in the bearing outer sleeve 10 is lubricated, the condition that the bearing assembly is locked due to poor lubrication is avoided, and because the oil nozzle is embedded in the bearing end cover 9, the oil nozzle is protected at the same time under the condition that the whole size of the bearing end cover 9 is not influenced, so that it is not damaged by external force.
Further, the bearing assembly in this embodiment includes the first bearing 41 and the second bearing 42 which are paired and arranged back to back, and the assembly in this form can effectively bear the bidirectional axial force, and when the local temperature of the spindle head rises, the play between the first bearing 41 and the second bearing 42 which are arranged back to back increases, which effectively avoids the locking of the bearings, specifically, in this embodiment, the first bearing 41 and the second bearing 42 are angular contact ball bearings.
With reference to fig. 1, in the present embodiment, the journal includes a first mounting shaft 21, a second mounting shaft 22, and a third mounting shaft 23 coaxially arranged along a direction from the roll body of the work roll to the bearing cover 9, radii of the first mounting shaft 21, the second mounting shaft 22, and the third mounting shaft 23 sequentially decrease, the first bearing 41 and the second bearing 42 are assembled on the third mounting shaft 23, and a first spacer ring 51 and a second spacer ring 52 concentrically arranged between the first bearing 41 and the second bearing 42 are disposed, i.e., the first spacer ring 51 and the second spacer ring 52 are used to separate the first bearing 41 and the second bearing 42, so that the first bearing 41 and the second bearing 42 do not affect respective operations, and heat dissipation is more facilitated; the radius of the second spacer ring 52 is larger than that of the first spacer ring 51, the first spacer ring 51 is assembled on the third mounting shaft 23, the second spacer ring 52 is assembled in the inner ring of the bearing housing 10, that is, an oil channel is formed between the first spacer ring 51 and the second spacer ring 52, so that grease can pass through the oil channel, and the first bearing 41 and the second bearing 42 are fully lubricated.
Referring to fig. 1, in this embodiment, the inner ring of the first bearing 41 abuts against the second mounting shaft 22, a threaded portion is disposed at one end of the third mounting shaft 23 close to the bearing end cover 9, a locking nut 71 is disposed on the threaded portion in a matching manner, the locking nut 71 abuts against the inner ring of the second bearing 42, that is, the second mounting shaft 22 and the locking nut 71 fix and limit the bearing assembly together, so as to prevent the bearing assembly from moving axially, and preferably, a locking pad 72 is disposed between the locking nut 71 and the second bearing 42.
Further, in the present embodiment, the first oil seal 31 and the second oil seal 32 are respectively disposed on the first mounting shaft 21 and the second mounting shaft 22, the lips of the first oil seal 31 and the second oil seal 32 face the first bearing 41, that is, the first oil seal 31 and the second oil seal 32 are used to seal between one end of the journal and the bearing housing 10, so as to prevent grease from leaking out in a large amount and causing waste, but the first oil seal 31 and the second oil seal 32 cannot be completely sealed with the bearing housing 10, and an oil discharge gap is required to be formed to discharge old oil.
Fig. 3 is a side view of fig. 2, and with reference to fig. 2 and fig. 3, in this embodiment, the bearing end cover 9 includes a bottom cover 91 and a cover rim 92, which are coaxially disposed, a first mounting cavity 94 is disposed in the bottom cover 91, a second mounting cavity 95 is disposed inside the cover rim 92, the locking nut 71 is disposed in the second mounting cavity 95, and a screw opening 101 of the oil nozzle is communicated with the second mounting cavity 95, that is, the screw opening 101 of the oil nozzle is communicated with the inside of the bearing outer sleeve 10 through the second mounting cavity 95.
With reference to fig. 1, 2, and 3, in this embodiment, one end of the cover rim 92 is disposed in the inner ring of the bearing outer sleeve 10 in a matching manner, a connecting portion 93 is disposed outside the cover rim 92, a plurality of first screw holes 96 are circumferentially disposed on the connecting portion 93, a plurality of second screw holes are correspondingly disposed on the end surface of the bearing outer sleeve 10 opposite to the connecting portion 93, and each first screw hole 96 is connected with the corresponding second screw hole through a bolt 11 to fix the bearing end cover 9 on the bearing outer sleeve 10.
In order to further ensure the sealing effect between the end cap 9 and the bearing housing 10, in this embodiment, a sealing gasket 8 is disposed on the cap flange 92 between the connecting portion 93 and the bearing housing 10, so as to prevent grease from leaking from the joint between the end cap 9 and the bearing housing 10, which may not lubricate the bearing assembly.
Preferably, the sealing gasket 8 in this embodiment may be made of Q235 metal, and the outer portion of the sealing gasket is covered with a rubber layer, so that the sealing gasket 8 has flexibility while having overall strength, can bear a pressure of 20MPa at most when oil is supplemented, and has better sealing performance than a common oil seal.
Example 2
The embodiment provides a working roll of a straightening machine, which comprises a working roll shaft head of the straightening machine in embodiment 1, wherein an oil injection nozzle is embedded in a bearing end cover 9 of the working roll head, so that the oil injection nozzle is protected under the condition of not influencing the whole size of the bearing end cover 9, and the working roll is not damaged by external force; because one side that deviates from the axle journal at bearing end cover 9 is equipped with first installation cavity 94, the nozzle tip 102 of nozzle sets up in first installation cavity 94, nozzle tip can directly be connected with the grease gun promptly, and because the screw 101 screw thread setting of nozzle tip is in bearing end cover 9, and the screw 101 of nozzle tip communicates with the inside of bearing outer cover 10, when the bearing need mend oil, be connected nozzle tip and grease gun, lubricating oil flows into the inside of bearing outer cover 10 through screw 101, push away the old oil in the bearing outer cover 10 from the oil extraction clearance, thereby lubricate the bearing assembly that sets up in bearing outer cover 10, avoided the bearing assembly because of lubricated bad condition that causes the lock.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A working roll shaft head of a straightener is characterized by comprising a shaft neck, a bearing assembly, a bearing outer sleeve, a bearing end cover and an oil injection nozzle, one end of the shaft neck is arranged on the working roll body, the bearing assembly is assembled on the shaft neck, the bearing outer sleeve is sleeved on the bearing assembly, an oil discharge gap is arranged between one end of the journal and the bearing outer sleeve, the other end of the journal is provided with the bearing end cover which is connected with the bearing outer sleeve, one side of the bearing end cover, which is far away from the shaft neck, is provided with a first mounting cavity, the oil filling nozzle comprises a screw opening and a nozzle head for connecting an oil filling gun, the screw thread of the oil nozzle is arranged in the bearing end cover, the oil nozzle head is arranged in the first mounting cavity, and the screw is communicated with the inside of the bearing outer sleeve.
2. The leveler work roll nose of claim 1 wherein the bearing assembly comprises a first bearing and a second bearing arranged in pairs and back-to-back.
3. The leveler work roll nose of claim 2 wherein the first bearing and the second bearing are angular contact ball bearings.
4. The leveler work roll spindle head as set forth in claim 2, wherein the journal comprises a first mounting shaft, a second mounting shaft and a third mounting shaft coaxially arranged along a direction from the work roll body to the bearing cap, the first mounting shaft, the second mounting shaft and the third mounting shaft have successively decreasing radii, the first bearing and the second bearing are mounted on the third mounting shaft, a first spacer ring and a second spacer ring concentrically arranged are disposed between the first bearing and the second bearing, the radius of the second spacer ring is greater than the radius of the first spacer ring, the first spacer ring is mounted on the third mounting shaft, and the second spacer ring is mounted in the inner ring of the bearing housing.
5. The leveler work roll spindle head as claimed in claim 4, wherein the inner ring of the first bearing abuts against the second mounting shaft, a threaded portion is provided at one end of the third mounting shaft close to the bearing end cap, a locking nut is provided on the threaded portion in a matching manner, and the locking nut abuts against the inner ring of the second bearing.
6. The straightener working roll spindle head of claim 4, wherein the first installation shaft and the second installation shaft are respectively provided with a first oil seal and a second oil seal, the lip mouths of the first oil seal and the second oil seal face the first bearing, and the oil discharge gaps are arranged between the first oil seal and the bearing outer sleeve.
7. The straightener work roll spindle nose of claim 5, wherein the bearing end cap comprises a coaxially arranged bottom cap and a cap edge, the first mounting cavity is arranged in the bottom cap, a second mounting cavity is arranged inside the cap edge, the locking nut is arranged in the second mounting cavity, and a screw opening of the oil filling nozzle is communicated with the second mounting cavity.
8. The leveler work roll spindle head as claimed in claim 7, wherein one end of the cover rim is fittingly disposed in the inner ring of the bearing housing, a connection portion is disposed outside the cover rim, a plurality of first screw holes are circumferentially disposed on the connection portion, a plurality of second screw holes are correspondingly disposed on an end surface of the bearing housing opposite to the connection portion, and each of the first screw holes is connected to the corresponding second screw hole by a bolt.
9. The leveler work roll nose of claim 8 wherein a gasket seal is disposed on a cover edge between the attachment portion and the bearing housing.
10. A leveler work roll comprising the leveler work roll head defined in claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122616474.7U CN216383553U (en) | 2021-10-28 | 2021-10-28 | Working roll shaft head of straightening machine and working roll of straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122616474.7U CN216383553U (en) | 2021-10-28 | 2021-10-28 | Working roll shaft head of straightening machine and working roll of straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216383553U true CN216383553U (en) | 2022-04-26 |
Family
ID=81246876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122616474.7U Active CN216383553U (en) | 2021-10-28 | 2021-10-28 | Working roll shaft head of straightening machine and working roll of straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216383553U (en) |
-
2021
- 2021-10-28 CN CN202122616474.7U patent/CN216383553U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5658053A (en) | Shaft re-greasing hub | |
| CN216383553U (en) | Working roll shaft head of straightening machine and working roll of straightening machine | |
| CN201202816Y (en) | Mechanical sealing device of rotating shaft | |
| CN212028332U (en) | Central shaft sleeve convenient to mount for bicycle | |
| CN208595821U (en) | A kind of novel circular cooler bogie wheel lubrication system | |
| CN209818518U (en) | Bolt type cylindrical roller | |
| CN211059236U (en) | Integral cross-shaped bag assembly structure for fork head | |
| CN212703745U (en) | Complete machine side wheel assembly device in advance | |
| CN215213935U (en) | Oil injection screw main machine | |
| CN216241873U (en) | Oil-gas lubricating structure of supporting roll shaft | |
| CN215567389U (en) | Novel high-precision long-life bearing | |
| CN220929970U (en) | Hub bearing | |
| CN114483959B (en) | Sealing device for rolling mill roller shaft oil film bearing | |
| CN221074721U (en) | Leak protection oil's booster compressor maze oil blanket | |
| CN211820393U (en) | Single-row cross roller type slewing bearing | |
| CN219492866U (en) | Cross roller double-layer sealing roller bearing | |
| CN220227778U (en) | Sealing structure of speed reducer | |
| CN216589936U (en) | Sealed lubricating arrangement of wear-resisting dabber axle journal | |
| CN209856575U (en) | Through rotary joint with ball bearing | |
| CN211343708U (en) | Double-row tapered roller bearing of motor vehicle hub unit assembly | |
| CN213145300U (en) | Oil leakage prevention radial sealing dry well device | |
| CN219119800U (en) | Carbon fiber rinsing machine washing roller shaft end sealing device | |
| CN219581362U (en) | Rough rolling vertical roll balance Liang Gunlun lubrication structure and rough rolling equipment | |
| CN213298589U (en) | High-precision automobile bearing with wear resistance and corrosion resistance | |
| CN209753057U (en) | Cutter shaft sealing structure of tearing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |