CN204108745U - A kind of oil cooling sealing device of rotary guide sleeve - Google Patents
A kind of oil cooling sealing device of rotary guide sleeve Download PDFInfo
- Publication number
- CN204108745U CN204108745U CN201420526512.7U CN201420526512U CN204108745U CN 204108745 U CN204108745 U CN 204108745U CN 201420526512 U CN201420526512 U CN 201420526512U CN 204108745 U CN204108745 U CN 204108745U
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- oil
- guide sleeve
- rotary guide
- sealing device
- oil return
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
A kind of oil cooling sealing device of rotary guide sleeve, comprise main shaft, driving claw and rotary guide sleeve, driving claw is fixed on main shaft, described rotary guide sleeve inside is provided with oil cooling sealing device, oil cooling sealing device comprises oil pipe distributor, bearing, interstage sleeve, oil return cover and oil return lid, oil return lid, oil return cover, labyrinth type is adopted to coordinate between interstage sleeve and guide pin bushing axle, interstage sleeve, labyrinth type is adopted to coordinate between oil return cover and rotary guide sleeve, guide pin bushing axle, matched in clearance is adopted between oil return lid and oil return cover, control the margin of tolerance at 0.005-0.06 millimeter, oil pipe distributor is a hollow cylinder, arranged outside has the oil groove of annular, the end face of oil pipe distributor is provided with a hole, oil groove is provided with No. two holes, mutually through between a hole and No. two holes.In the service life that the utility model structure is simple, improve bearing, ensure that workpiece processing quality and part qualification rate, extend the service life of lathe, substantially increase economic benefit.
Description
Technical field
The utility model relates to the parts on a kind of lathe, especially a kind of cooling sealing device of rotary guide sleeve.
Background technology
Modern mechanical industrial expansion is more and more higher to the requirement on machining accuracy of lathe.With regard to high-precision numerical control lathe, its major advantage is high rotating speed, high accuracy, fast cutting speed.Main shaft and guide pin bushing are the vitals of lathe, concerning high-speed precise machine tool, its machining accuracy depends on the precision of main shaft and guide pin bushing system to a great extent, but when lathe starts running, the rolling element of bearing operates in raceway, be subject to frictional force and can produce heat, make the temperature of bearing increase.Long-time in high rotation speed operation situation, caloric value is larger, and phase mutual friction when adding motion between other parts all can produce heat, causes the intensification of axle portion too high.
Because the reason of expanding with heat and contract with cold, the precision of lathe is just subject to serious impact, the portion's circular runout of guide pin bushing axle and axial float are just comparatively large, the physical and mental health that handling ease produces flutter, Relative Vibration between cutter and workpiece can make finished surface leave chatter mark, produce strong noise, has a strong impact on crudy and harm operator; And cutting cross section, cutting angle, cutting force are all changed due to flutter, can breakage be produced when cutter is easy to wear, serious.Due to the generation of cutting-vibration, often to reduce cutting data in current production, such as reducing the depth of cut and reducing the speed of mainshaft is cost, cause lathe, the service behaviour of cutter is not in full use, limit the raising of machining production efficiency, this is undoubtedly huge loss concerning the manufacturing firm of batch production.
In the middle of Machinery Market with keen competition, high rotating speed, high-precision guide pin bushing becomes strong competition main points.Precision is high, has highly polishedly become necessarily requiring of client.For meeting the need of market, vast same provisional capital adopts the sealing effectiveness improving main shaft precision or improve guide pin bushing to improve the requirement of product, and the sealing effectiveness improving main shaft precision and guide pin bushing is difficult, study for many years through my company and combine with practical effect and develop by main shaft Direct driver guide pin bushing, guide pin bushing can do High Rotation Speed with main shaft, can heat be produced in the middle of High Rotation Speed, therefore develop oil cooling device and reduce heat, ensure that guide pin bushing works at normal temperatures.Drive claw rotary guide sleeve oil cooling sealing device can well meet the requirement of client.
Summary of the invention
The purpose of this utility model be overcome machine finish in existing technology be difficult to ensure problem, the oil cooling sealing device of simple, the high-precision rotary guide sleeve of a kind of structure is provided.
For realizing above object, technical solution of the present utility model is: a kind of oil cooling sealing device of rotary guide sleeve, comprise main shaft, driving claw and rotary guide sleeve, described driving claw is fixed on main shaft, by guide pin bushing axle between rotary guide sleeve and driving claw, positioning disk and positioning key are interconnected, described rotary guide sleeve inside is provided with oil cooling sealing device, described oil cooling sealing device comprises oil pipe distributor, bearing, interstage sleeve, oil return cover and oil return lid, described oil return lid, oil return cover, labyrinth type is adopted to coordinate between interstage sleeve and guide pin bushing axle, interstage sleeve, labyrinth type is adopted to coordinate between oil return cover and rotary guide sleeve, guide pin bushing axle, matched in clearance is adopted between oil return lid and oil return cover, control the margin of tolerance at 0.005-0.06 millimeter, described oil pipe distributor is a hollow cylinder, arranged outside has the oil groove of annular, the end face of oil pipe distributor is provided with a hole, oil groove is provided with No. two holes, mutually through between a hole and No. two holes.
Described driving claw is hollow cylinder shape, comprises the axial keyway be positioned on driving claw inwall.
Mainshaft nut is adopted to fix between described driving claw and main shaft.
Adopt interference fit between described positioning key and positioning disk, and adopt anaerobic adhesive to fix.
Matched in clearance is adopted between described positioning key and driving claw.
Described rotary guide sleeve is provided with oilhole, and oilhole is connected with oil inlet pipe.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model comprises driving claw, main shaft, rotary guide sleeve, and oil cooling sealing device is positioned at rotary guide sleeve inside, and assembling is simple.
2, the utility model cold oil flows to two side bearings and other piece surfaces again via oil path distributor uniform distribution, bearing on guide pin bushing axle also can be cooled fully, greatly reduce the temperature in axle portion, cold oil also can lubricate guide pin bushing axle simultaneously, reduce the friction of guide pin bushing axle and other parts, reduce the major heat source of heating up.
3, oil return lid, oil return cover in the utility model, adopt labyrinth type to coordinate between interstage sleeve and guide pin bushing axle, interstage sleeve, labyrinth type between oil return cover and rotary guide sleeve, is also adopted to coordinate, labyrinth seal structure greatly reduces slag bits along with cutting fluid and enters the possibility of rotary guide sleeve inside, improve the service life of bearing, ensure that workpiece processing quality and part qualification rate, extend the service life of lathe, substantially increase economic benefit.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the partial enlarged drawing of oil cooling sealing device in the utility model;
Fig. 3 is the structural representation of driving claw in the utility model;
Fig. 4 is the structural representation of oil path distributor in the utility model.
In figure: main shaft 1, driving claw 2, keyway 21, rotary guide sleeve 3, oilhole 31, guide pin bushing axle 4, positioning disk 5, positioning key 6, oil pipe distributor 7, oil groove 71, hole 73, No. 72, two, a hole, bearing 8, interstage sleeve 9, oil return cover 10, oil return lid 11, mainshaft nut 12, oil inlet pipe 13.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and with detailed description of the invention, the utility model to be described in further detail.
See Fig. 1 to Fig. 4, a kind of oil cooling sealing device of rotary guide sleeve, comprise main shaft 1, driving claw 2 and rotary guide sleeve 3, described driving claw 2 is fixed on main shaft 1, by guide pin bushing axle 4 between rotary guide sleeve 3 and driving claw 2, positioning disk 5 and positioning key 6 are interconnected, described rotary guide sleeve 3 inside is provided with oil cooling sealing device, described oil cooling sealing device comprises oil pipe distributor 7, bearing 8, interstage sleeve 9, oil return cover 10 and oil return lid 11, described oil return lid 11, oil return cover 10, labyrinth type is adopted to coordinate between interstage sleeve 9 and guide pin bushing axle 4, interstage sleeve 9, labyrinth type is adopted to coordinate between oil return cover 10 and rotary guide sleeve 3, guide pin bushing axle 4, matched in clearance is adopted between oil return lid 11 and oil return cover 10, control the margin of tolerance at 0.005-0.06 millimeter, described oil pipe distributor 7 is a hollow cylinder, arranged outside has the oil groove 71 of annular, the end face of oil pipe distributor 7 is provided with a hole 72, oil groove 71 is provided with No. two holes 73, mutually through between a hole 72 and No. two holes 73.
Described driving claw 2, in hollow cylinder shape, comprises the axial keyway 21 be positioned on driving claw 2 inwall.
Mainshaft nut 12 is adopted to fix between described driving claw 2 and main shaft 1.
Adopt interference fit between described positioning key 6 and positioning disk 5, and adopt anaerobic adhesive to fix.
Matched in clearance is adopted between described positioning key 6 and driving claw 2.
Described rotary guide sleeve 3 is provided with oilhole 31, and oilhole 31 is connected with oil inlet pipe 13.
The utility model is made up of driving claw 2, mainshaft nut 12, positioning disk 5, driving claw 2, positioning key 6, oil inlet pipe 13, rotary guide sleeve 3, oil pipe distributor 7, bearing 8, interstage sleeve 9, oil return cover 10, oil return lid 11, guide pin bushing axle 4 etc.During operation lathe, main shaft 1 does High Rotation Speed, because driving claw 2 is fixed on main shaft 1, by guide pin bushing axle 4 between rotary guide sleeve 3 and driving claw 2, positioning disk 5 and positioning key 6 are interconnected, mainshaft nut 12 is adopted to fix between driving claw 2 and main shaft 1, mainshaft nut 12 drives driving claw 2, driving claw 2 Direct driver positioning disk 5 in the middle of the axis and radial location of positioning key 6 does high speed rotary motion with driven rotary guide pin bushing 3, because high-speed rotary transfers generation bearing 8 and part friction in axle portion causes temperature to raise, just need to carry cold oil to arrive rotary guide sleeve 3 internal oil passages system through oil-through hole 31 by oil inlet pipe 13, cold oil flows in the middle of oil path distributor 7, enter in two side bearings 8 in the middle of the uniform distribution of oil path distributor 7, temperature rise and the lubrication of bearing 8 can be reduced like this, can well ensure that bearing 8 works under specific working environment, enable its life-span more permanent, precision is higher.Consider to be worth doing in the middle of more working environment at greasy dirt slag in addition and need to accomplish that slag bits cannot enter the hermetically-sealed construction of rotary guide sleeve 3, described oil return lid 11, oil return overlap 10, adopt labyrinth type to coordinate between interstage sleeve 9 and guide pin bushing axle 4, interstage sleeve 9, oil return overlap between 10 and rotary guide sleeve 3 and adopt labyrinth type to coordinate, guide pin bushing axle 4, oil return lid 11 and oil return adopt matched in clearance between overlapping 10, control the margin of tolerance at 0.005-0.06 millimeter, labyrinth seal structure greatly reduces slag bits and enters the inside of rotary guide sleeve 3 along with cutting fluid, improves the service life of bearing.Described driving claw 2, in hollow cylinder shape, comprises the axial keyway 21 be positioned on driving claw 2 inwall.Adopt interference fit between positioning key 6 and positioning disk 5, and adopt anaerobic adhesive to fix.Matched in clearance is adopted between positioning key 6 and driving claw 2.
The utility model cold oil flows to two side bearings 8 and other piece surfaces again via oil path distributor 7 uniform distribution, bearing 8 on guide pin bushing axle 4 also can be cooled fully, greatly reduce the temperature in axle portion, cold oil also can lubricate guide pin bushing axle 4 simultaneously, reduce guide pin bushing axle 4 and the friction of other parts, reduce the major heat source of heating up.In the utility model, oil return lid 11, oil return are overlapped 10, are adopted labyrinth type to coordinate between interstage sleeve 9 and guide pin bushing axle 4 in addition, interstage sleeve 9, also adopt labyrinth type to coordinate between oil return cover 10 and rotary guide sleeve 3, labyrinth seal structure greatly reduces slag and considers to be worth doing along with cutting fluid enters the possibility of rotary guide sleeve inside.In the service life that the utility model structure is simple, improve bearing, ensure that workpiece processing quality and part qualification rate, extend the service life of lathe, substantially increase economic benefit.
Claims (6)
1. the oil cooling sealing device of a rotary guide sleeve, comprise main shaft (1), driving claw (2) and rotary guide sleeve (3), described driving claw (2) is fixed on main shaft (1), by guide pin bushing axle (4) between rotary guide sleeve (3) and driving claw (2), positioning disk (5) and positioning key (6) are interconnected, it is characterized in that: described rotary guide sleeve (3) inside is provided with oil cooling sealing device, described oil cooling sealing device comprises oil pipe distributor (7), bearing (8), interstage sleeve (9), oil return cover (10) and oil return lid (11), described oil return lid (11), oil return cover (10), labyrinth type is adopted to coordinate between interstage sleeve (9) and guide pin bushing axle (4), interstage sleeve (9), labyrinth type is adopted to coordinate between oil return cover (10) and rotary guide sleeve (3), guide pin bushing axle (4), matched in clearance is adopted between oil return lid (11) and oil return cover (10), control the margin of tolerance at 0.005-0.06 millimeter, described oil pipe distributor (7) is a hollow cylinder, arranged outside has the oil groove (71) of annular, the end face of oil pipe distributor (7) is provided with a hole (72), oil groove (71) is provided with No. two holes (73), mutually through between a hole (72) and No. two holes (73).
2. the oil cooling sealing device of a kind of rotary guide sleeve according to claim 1, is characterized in that: described driving claw (2), in hollow cylinder shape, comprises the axial keyway (21) be positioned on driving claw (2) inwall.
3. the oil cooling sealing device of a kind of rotary guide sleeve according to claim 1 and 2, is characterized in that: adopt mainshaft nut (12) to fix between described driving claw (2) and main shaft (1).
4. the oil cooling sealing device of a kind of rotary guide sleeve according to claim 1, is characterized in that: adopt interference fit between described positioning key (6) and positioning disk (5), and adopt anaerobic adhesive to fix.
5. the oil cooling sealing device of a kind of rotary guide sleeve according to claim 1, is characterized in that: adopt matched in clearance between described positioning key (6) and driving claw (2).
6. the oil cooling sealing device of a kind of rotary guide sleeve according to claim 1, is characterized in that: described rotary guide sleeve (3) is provided with oilhole (31), and oilhole (31) is connected with oil inlet pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526512.7U CN204108745U (en) | 2014-09-12 | 2014-09-12 | A kind of oil cooling sealing device of rotary guide sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526512.7U CN204108745U (en) | 2014-09-12 | 2014-09-12 | A kind of oil cooling sealing device of rotary guide sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204108745U true CN204108745U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420526512.7U Expired - Fee Related CN204108745U (en) | 2014-09-12 | 2014-09-12 | A kind of oil cooling sealing device of rotary guide sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204108745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903331A (en) * | 2017-04-27 | 2017-06-30 | 湖北毅兴智能装备股份有限公司 | It is a kind of walk shaft type complex milling machine tool guide pin bushing slagging device |
-
2014
- 2014-09-12 CN CN201420526512.7U patent/CN204108745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903331A (en) * | 2017-04-27 | 2017-06-30 | 湖北毅兴智能装备股份有限公司 | It is a kind of walk shaft type complex milling machine tool guide pin bushing slagging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 432700 Guangshui City, Suizhou province should be located in the industrial park, ten mile road, No., No. 8, -3 Patentee after: HUBEI YIXING INTELLIGENT EQUIPMENT CO.,LTD. Address before: 432700 Guangshui City, Suizhou province should be located in the industrial park, ten mile road, No., No. 8, -3 Patentee before: HUBEI YIXING MACHINE TOOL Co.,Ltd. |
|
| 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: 20150121 Termination date: 20210912 |