CN211589465U - Guide roller spindle bracket structure of tapered roller grinding machine - Google Patents
Guide roller spindle bracket structure of tapered roller grinding machine Download PDFInfo
- Publication number
- CN211589465U CN211589465U CN201922473098.3U CN201922473098U CN211589465U CN 211589465 U CN211589465 U CN 211589465U CN 201922473098 U CN201922473098 U CN 201922473098U CN 211589465 U CN211589465 U CN 211589465U
- Authority
- CN
- China
- Prior art keywords
- bearing
- cavity
- shaft
- roller
- main shaft
- 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
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a tapered roller grinding machine's deflector roll main shaft frame structure, its axial and the runout precision of the axial and the radial run-out precision of solving current deflector roll main shaft frame, dismouting convenience are difficult to the technical problem who satisfies the demand. The utility model provides a tapered roller grinding machine's deflector roll main shaft frame structure, its includes main shaft, deflector roll, solid of revolution and bearing, its characterized in that: the solid of revolution is equipped with the cavity and divides the U-shaped shaft hole of locating the cavity both sides and communicating with the cavity, the upper end opening in U-shaped shaft hole opens the setting, the main part of main shaft sets up in the cavity, the axle journal at main shaft both ends sets up respectively in the U-shaped shaft hole of cavity both sides, wherein the axle journal of one end passes through biserial cylindrical roller bearing and bearing housing cooperation, the axle journal of the other end passes through biserial cylindrical roller bearing and a pair of angular contact bearing and bearing housing cooperation, biserial cylindrical roller bearing's inner circle passes through conical surface cooperation with the axle journal, the bearing housing supports in the U-shaped shaft hole and is fixed through the bearing.
Description
Technical Field
The utility model relates to a tapered roller grinding machine technical field, concretely relates to tapered roller grinding machine's deflector roll main shaft frame structure.
Background
The tapered roller used on the tapered roller bearing has the characteristics of large application amount and high precision requirement. The production precision of the tapered roller grinding machine on the market is generally low, and particularly the precision and the rigidity of the guide roller spindle bracket part are difficult to meet higher production requirements. The part structurally requires good supporting stability, meets the requirements of axial and radial runout precision of a main shaft, and also has the advantages of convenience in disassembly and assembly and convenience in disassembly and replacement or convenient grinding of the guide roller.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tapered roller grinding machine's deflector roll main shaft frame structure, its axial and the runout precision of the axial and the radial run-out precision of solving current deflector roll main shaft frame, dismouting convenience are difficult to the technical problem who satisfies the demand.
Its technical scheme is like, a tapered roller grinding machine's deflector roll main shaft frame structure, it includes main shaft, deflector roll, solid of revolution, and bearing, its characterized in that: the revolving body is provided with a cavity and U-shaped shaft holes which are respectively arranged at two sides of the cavity and communicated with the cavity, an opening at the upper end of each U-shaped shaft hole is opened, a main body of the main shaft is arranged in the cavity, shaft necks at two ends of the main shaft are respectively arranged in the U-shaped shaft holes at two sides of the cavity, the shaft neck at one end is matched with the bearing sleeve through a first bearing assembly, the shaft neck at the other end is matched with the bearing sleeve through a second bearing assembly, the first bearing assembly comprises a double-row cylindrical roller bearing, the second bearing assembly comprises a double-row cylindrical roller bearing and a pair of angular contact bearings, an inner ring of the double-row cylindrical roller bearing is matched with the shaft neck through a conical surface, and the bearing sleeve is supported in the U-shaped shaft;
the guide roller cover is located outside the main part of main shaft, the one end of deflector roller with the one end of main part is through conical surface cooperation, the deflector roller other end with the other end of main part is through face of cylinder cooperation, the other pot head of main part is equipped with the deflector roller gland, the deflector roller gland through be cyclic annular distribution the bolt with main part fixed connection and top tightly the deflector roller.
Furthermore, one end, adjacent to the main body, of the inner ring part of the first bearing assembly and the second bearing assembly abuts against the step of the journal through an inner spacer, and one end, away from the main body, of the inner ring part of the first bearing assembly and the second bearing assembly is pressed through a lock nut, one end, adjacent to the main body, of the outer ring part of the first bearing assembly and the second bearing assembly abuts against an inner bearing gland, and one end, away from the main body, of the outer ring part of the first bearing assembly and the second bearing.
Furthermore, a labyrinth seal structure is formed between the inner bearing gland and the inner spacer, and a rotary seal ring matched with the shaft neck is arranged on the inner bearing gland.
Furthermore, the surface of the shaft neck, which is jointed with the rotary sealing ring, is provided with a ceramic coating.
Further, the inner ring of the double-row cylindrical roller bearing is provided with a bearing journal matched with the shaft journal, wherein the bearing journal comprises a bearing journal and a bearing journal, and the bearing journal comprises a bearing journal and a bearing journal, wherein the bearing journal comprises a bearing journal and is characterized in that the bearing journal comprises a bearing: 12, the other end of deflector roll be equipped with main part complex 1: 3, tapered holes.
The utility model discloses a tapered roller grinding machine's deflector roll main shaft frame structure has following beneficial effect:
(1) the two sides of the main shaft are respectively supported by a double-row cylindrical roller bearing with a taper hole, the bearing can tightly expand the inner ring of the bearing by adjusting the inner spacing ring at the inner side and eliminate the radial clearance of the bearing, and the main shaft is additionally provided with a pair of angular contact bearings to control the axial positioning of the main shaft, so that the main shaft has high rotation precision and axial precision; meanwhile, the double-row cylindrical roller bearing is large in stress load, good in rigidity and high in limit rotating speed;
(2) the guide roller is arranged on the main shaft, two ends of the guide roller are radially and axially positioned through the conical surface and the cylindrical surface and are fastened through the gland, so that the guide roller has high rotation precision and axial precision, meanwhile, the guide roller can be taken out only by loosening the bolt on the gland and taking out the gland, and the guide roller is convenient to disassemble;
(3) the bearing covers fix the bearing sleeves on the two sides of the main shaft in the U-shaped shaft holes of the revolving body, the structure enables the revolving body to have enough strength to support the guide roller shaft system, and the main shaft and the guide roller can be taken down only by separating the bearing covers, so that the whole shaft system is convenient to disassemble, assemble and hoist;
(4) the main shaft prevents water and air from entering the bearing through labyrinth seal and a rotary seal ring, and meanwhile, the surface of the shaft neck at the joint of the lip opening of the seal ring is coated with ceramic, so that the abrasion is reduced, and the service life of the main shaft is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
3 fig. 3 2 3 is 3a 3 sectional 3 view 3 taken 3 along 3 line 3a 3- 3a 3 of 3 fig. 3 1 3. 3
Detailed Description
As shown in fig. 1 and 2, a guide roller spindle frame structure of a tapered roller grinding machine includes a spindle, a guide roller 9, a revolving body 1, and a bearing, and is characterized in that: solid of revolution 1 is equipped with the cavity and divides locate the cavity both sides and with the U-shaped shaft hole of cavity intercommunication, the upper end opening in U-shaped shaft hole opens the setting, main part 3a of main shaft sets up in the cavity, the axle journal 3b at main shaft both ends sets up respectively in the U-shaped shaft hole of cavity both sides, wherein the axle journal 3b of one end cooperates with bearing housing 4 through first bearing subassembly, the axle journal 3b of the other end cooperates with bearing housing 4 through the second bearing subassembly, the first bearing subassembly includes double-row cylindrical roller bearing 5, the second bearing subassembly includes double-row cylindrical roller bearing 5 and a pair of angular contact bearing 7, the inner circle of double-row cylindrical roller bearing 5 passes through 1 with axle journal: 12, the bearing sleeve 4 is supported in the U-shaped shaft hole and is pressed and fixed by the bearing cover 2 arranged on the upper side of the U-shaped shaft hole;
the guide roller 9 is sleeved outside the main body 3a of the main shaft, and one end of the guide roller 9 and one end of the main body 3a pass through 1: the other end of the main body 3a of the main shaft is sleeved with a guide roller gland 10, and the guide roller gland 10 is fixedly connected with the main body 3a of the main shaft through bolts distributed in an annular shape and tightly props against the guide roller 9.
The inner ring part of the first bearing assembly and the inner ring part of the second bearing assembly are abutted against the step of the journal 3b through the inner spacer 6, the end deviating from the main body 3a is pressed through a lock nut 17, in the figure, 16 is a bearing washer, the outer ring part of the first bearing assembly and the outer ring part of the second bearing assembly are abutted against the inner bearing gland 13, the end deviating from the main body 3a is pressed through a press ring 14 and an outer bearing gland 15, wherein the inner spacer 6 is in sliding fit with the journal 3b, the lock nut 17 is in threaded fit with the journal 3b, the press ring 14 is in sliding fit with the bearing sleeve 4, and the inner bearing gland 13 and the outer bearing gland 15 are fastened with the bearing sleeve through bolts. A labyrinth seal structure is formed between the inner bearing gland 13 and the inner spacer 6, a rotary seal ring 8 matched with the shaft neck 3b is arranged on the inner bearing gland, and a ceramic coating is arranged on the surface of the joint of the shaft neck 3b and the rotary seal ring 8.
Claims (5)
1. The utility model provides a tapered roller grinding machine's deflector roll main shaft frame structure, its includes main shaft, deflector roll, solid of revolution and bearing, its characterized in that: the revolving body is provided with a cavity and U-shaped shaft holes which are respectively arranged at two sides of the cavity and communicated with the cavity, an opening at the upper end of each U-shaped shaft hole is opened, a main body of the main shaft is arranged in the cavity, shaft necks at two ends of the main shaft are respectively arranged in the U-shaped shaft holes at two sides of the cavity, the shaft neck at one end is matched with the bearing sleeve through a first bearing assembly, the shaft neck at the other end is matched with the bearing sleeve through a second bearing assembly, the first bearing assembly comprises a double-row cylindrical roller bearing, the second bearing assembly comprises a double-row cylindrical roller bearing and a pair of angular contact bearings, an inner ring of the double-row cylindrical roller bearing is matched with the shaft neck through a conical surface, and the bearing sleeve is supported in the U-shaped shaft;
the guide roller cover is located outside the main part of main shaft, the one end of deflector roller with the one end of main part is through conical surface cooperation, the deflector roller other end with the other end of main part is through face of cylinder cooperation, the other pot head of main part is equipped with the deflector roller gland, the deflector roller gland through be cyclic annular distribution the bolt with main part fixed connection and top tightly the deflector roller.
2. The guide roll spindle frame structure of a tapered roller grinding machine as claimed in claim 1, wherein: the end, adjacent to the main body, of the inner ring part of the first bearing assembly and the second bearing assembly abuts against the step of the journal through the inner spacer, the end, away from the main body, of the inner ring part of the first bearing assembly and the second bearing assembly is pressed through the lock nut, the end, adjacent to the main body, of the outer ring part of the first bearing assembly and the second bearing assembly abuts against the inner bearing gland, and the end, away from the main body, of the outer bearing gland is pressed through the pressing ring and the.
3. The guide roll spindle frame structure of a tapered roller grinding machine as claimed in claim 2, wherein: and a labyrinth seal structure is formed between the inner bearing gland and the inner spacing ring, and a rotary seal ring matched with the shaft neck is arranged on the inner bearing gland.
4. The guide roll spindle frame structure of a tapered roller grinding machine as claimed in claim 3, wherein: and a ceramic coating is arranged on the joint surface of the journal and the rotary sealing ring.
5. The guide roll spindle frame structure of a tapered roller grinding machine as claimed in claim 1, wherein: the inner ring of the double-row cylindrical roller bearing is provided with a bearing journal matched with the bearing journal 1: 12, the other end of deflector roll be equipped with main part complex 1: 3, tapered holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473098.3U CN211589465U (en) | 2019-12-31 | 2019-12-31 | Guide roller spindle bracket structure of tapered roller grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473098.3U CN211589465U (en) | 2019-12-31 | 2019-12-31 | Guide roller spindle bracket structure of tapered roller grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211589465U true CN211589465U (en) | 2020-09-29 |
Family
ID=72598909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922473098.3U Active CN211589465U (en) | 2019-12-31 | 2019-12-31 | Guide roller spindle bracket structure of tapered roller grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211589465U (en) |
-
2019
- 2019-12-31 CN CN201922473098.3U patent/CN211589465U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021218922A1 (en) | Rotary sealing structure and spiral sand-water separator | |
| ZA201001619B (en) | Roller bearing backing ring | |
| CN211589465U (en) | Guide roller spindle bracket structure of tapered roller grinding machine | |
| CN211540557U (en) | Novel high-precision roller grinder guide roller main shaft system | |
| CN208732393U (en) | Quick Release wheel hub, idler wheel and rolling cage shoe | |
| CN201300663Y (en) | Convenient maintenance large ring cold machine trolley wheel | |
| CN216315547U (en) | Rubber roller bearing of cigarette making machine | |
| CN202790147U (en) | Axial positioning structure for upper automobile bearing | |
| CN211192035U (en) | Double-output mechanical main shaft mechanism with airtight sealing | |
| CN201389665Y (en) | Horizontal milling machine cutter rod and cutter rod bush | |
| CN114751132A (en) | High-precision balance wheel sorting assembly | |
| CN210978239U (en) | Centering bearing seat of nanometer sand mill | |
| CN113898738A (en) | Rinsing machine main shaft seal structure | |
| US5593235A (en) | Arrangement for roller bearings | |
| CN217493631U (en) | Guide wheel main shaft structure of centerless grinding machine | |
| CN201098700Y (en) | Bearing device for continuous casting and rolling mill supporting roller neck | |
| CN106553433A (en) | A kind of bearing arrangement on printer sheet transfer drum | |
| CN216830305U (en) | Grinding rod for steel pipe internal grinding machine | |
| CN215856043U (en) | Wear-resisting bearing structure of fermentation cylinder (mixing) shaft | |
| CN210967326U (en) | Rotating mechanism | |
| CN2543735Y (en) | Rotary castor | |
| CN205684485U (en) | A kind of pipe mill feeding supports seat | |
| EP1470935B1 (en) | Bearing unit for vehicle wheel | |
| CN209304328U (en) | A kind of grinding wheel bearing | |
| CN203317216U (en) | Pitch circle fixture for grinding inner holes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |