CN203926401U - With the hydrostatic spindle of hydraulic clamp - Google Patents
With the hydrostatic spindle of hydraulic clamp Download PDFInfo
- Publication number
- CN203926401U CN203926401U CN201420225932.1U CN201420225932U CN203926401U CN 203926401 U CN203926401 U CN 203926401U CN 201420225932 U CN201420225932 U CN 201420225932U CN 203926401 U CN203926401 U CN 203926401U
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- Prior art keywords
- main shaft
- double end
- hydraulic
- bearing
- clamp assembly
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- 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
Links
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 47
- 210000004907 gland Anatomy 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model refers in particular to a kind of hydrostatic spindle with hydraulic clamp, belong to lathe Component technical field, comprise main shaft and bearing, on described main shaft, be arranged with gear, by gear transmission, when drive main spindle High Rotation Speed, increase the moment of torsion of main shaft, improve cutting rate, described bearing and the interactional inwall of described main shaft are provided with circumferential oil pocket, the lumen shaft of described main shaft is to being provided with double end clamp assembly, between described double end clamp assembly and described main shaft inwall, be provided with the hydraulic package that drives double end clamp assembly degree of tightness, main shaft and double end clamping component design are integrated, under main shaft High Rotation Speed, work by hydraulic package control double end clamp assembly, improve chuck strength, ensure the stability of workpiece processing, by circumferential oil sealing and oil groove on bearing, make main shaft in when work in quick condition, wearing and tearing are reduced, extend working life, and when High Rotation Speed, still possesses good rigidity.
Description
Technical field
Model utility belongs to lathe Component technical field, relates to a kind of Workpiece clamping and rotating integrated main shaft, refers in particular to a kind of hydrostatic spindle with hydraulic clamp.
Background technique
Hydrodynamic and hydrostatic pressure combined bearing is that China grows up have world-class new high-tech product the eighties, is a kind of advantage that had both combined hydraulic bearing and hydrostatic bearing, overcomes again the novel movable bearing of the two shortcoming.Both can be used for old machine reformation, also can be used for new machine supporting.Adopt dynamic and hydrostatic bearing can recover Seiko precision and the surface roughness that lathe is lost because of main shaft bearing problem completely; Improve machine tool chief axis precision and cutting rate.For many years some enterprises of China to adopt dynamic and hydrostatic bearings be that new machine is supporting and carry out the old machine tool transformation of domestic and imported, all obtained satisfied using effect and significant economic benefit.
The active and static pressure main axle unit structure of prior art comprises main shaft, bearing and oil supplying device, the outer surface of main shaft axle journal is level and smooth cylndrical surface, bearing inner wall offers some circumferentially uniform oil pockets, on bearing, also offer oil-feed aperture, oil supplying device is by oil-feed aperture directly to fuel feeding in oil pocket, and the oil in bearing is back in fuel tank by the gap at bearing two ends.At present in field of machining, labour cost, productivity effect and processing cost more and more must be paid attention to, double end collet chuck numerically controlled lathe special plane is except overcoming the above problems, also can solve the complete manufacturing procedure not becoming of centre numerically controlled lathe and not reach the precision of part processing, but in the middle of the application of numerically controlled lathe special plane, the main two-way main shaft in Taiwan that relies on, the two-way main shaft in Taiwan only adopts one-way hydraulic, that left and right corner contact bearing supports, interiorly block collet chuck with tapering displacement, in use, there are a lot of disadvantages, spindle speed is at diameter below 32 millimeters, maximum speed also can only reach 2500 revs/min, diameter is more than 72 millimeters, maximum speed is 1000 revs/min of left and right, oil leakage phenomenon is a lot.
Summary of the invention
The object of model utility is to provide a kind of compact structure, running high speed, sealing and good rigidly and has the hydrostatic spindle with hydraulic clamp of double end collet chuck.
The object of model utility is achieved in that the hydrostatic spindle with hydraulic clamp, comprise main shaft and bearing, wherein, on described main shaft, be arranged with gear, by gear transmission, when drive main spindle High Rotation Speed, increase the moment of torsion of main shaft, improve cutting rate, described bearing and the interactional inwall of described main shaft are provided with circumferential oil pocket, when high pressure injection liquid force feed, frictional force between main shaft and bearing reduces greatly, strengthen rigidity, improve main shaft rotational speed, the lumen shaft of described main shaft is to being provided with double end clamp assembly, between described double end clamp assembly and described main shaft inwall, be provided with the hydraulic package that drives double end clamp assembly degree of tightness, main shaft and double end clamping component design are integrated, under main shaft High Rotation Speed, work by hydraulic package control double end clamp assembly, improve chuck strength, ensure the stability of workpiece processing.
According to the hydrostatic spindle with hydraulic clamp of the above, wherein, described double end clamp assembly comprises collet and trombone slide, described collet is individually fixed in the two ends of trombone slide, described hydraulic package comprises oil cylinder and flip sleeve, and the cylindrical side of described flip sleeve is provided with piston, and described piston is placed in oil cylinder, described flip sleeve is sheathed on described trombone slide and collet, and does linear reciprocating motion along the axial direction of described main shaft.
According to the hydrostatic spindle with hydraulic clamp of the above, wherein, the end of described flip sleeve is provided with internal taper hole, described internal taper hole acts on the collet of described trombone slide one end, the collet of the described trombone slide the other end matches with the cylinder cap of described oil cylinder, under the movement of flip sleeve, by internal taper hole and cylinder cap extruding collet, complete clamping, clamp precision is high.
According to the hydrostatic spindle with hydraulic clamp of the above, wherein, on described flip sleeve, be arranged with seal ring, described seal ring lays respectively at the both sides of described oil cylinder, improves the sealing of oil cylinder by seal ring.
According to the hydrostatic spindle with hydraulic clamp of the above, wherein, described bearing one end is provided with back-up ring, described back-up ring lays respectively at the both sides of described gear, the end face of described back-up ring and described Gear Contact is provided with oil groove, when hydraulic oil high pressure is injected to oil groove, make gear in axial float, and make main shaft radial floating in conjunction with circumferential oil pocket, both direction acts on simultaneously, make main shaft in quick condition, reduce frictional force and wear intensity between parts, when running up, can also guarantee its working life.
According to the hydrostatic spindle with hydraulic clamp of the above, wherein, described main shaft both sides are respectively arranged with oil sealing, while preventing main shaft High Rotation Speed, and the circumferentially outside leakage of oil of oil pocket.
Model utility compared to existing technology outstanding and useful technique effect is: clamping and rotation are combined as a whole, compact structure, simultaneously by the work of hydraulic driving double end clamp assembly, improve chuck strength, ensured the stability of workpiece processing, by circumferential oil sealing and oil groove on bearing, make main shaft in when work in quick condition, reduce wearing and tearing, extended working life, and still possessed good rigidity when High Rotation Speed.
Brief description of the drawings
Fig. 1 is the structural representation of model utility;
Fig. 2 is main shaft structure schematic diagram in model utility;
In figure: 10-main shaft, 11-bearing, 12-gear, the circumferential oil pocket of 13-, 14-collet, 15-trombone slide, 16-oil cylinder, 17-flip sleeve, 18-piston, 19-internal taper hole, 20-cylinder cap, 21-seal ring, 22-back-up ring, 23-oil groove, 24-oil sealing, the left gland of 25-, the right gland of 26-, 27-connecting sleeve, the left oil inlet pipe of 28-, the right oil inlet pipe of 29-.
Embodiment
Model utility is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-2: with the hydrostatic spindle of hydraulic clamp, comprise main shaft 10 and bearing 11, bearing 11 is fixing by left gland 25 and right gland 26, and pass through connecting sleeve 27 by main shaft 10, bearing 11 and left gland 25 and right gland 26 threes fix, wherein, on described main shaft 10, be arranged with gear 12, by gear 12 transmissions, when drive main spindle 10 High Rotation Speed, increase the moment of torsion of main shaft 10, improve cutting rate, described bearing 11 is provided with circumferential oil pocket 13 with the interactional inwall of described main shaft 10, when high pressure injection liquid force feed, frictional force between main shaft 10 and bearing 11 reduces greatly, strengthen rigidity, main shaft 10 rotational speeies are improved, the lumen shaft of described main shaft 10 is to being provided with double end clamp assembly, between described double end clamp assembly and described main shaft 10 inwalls, be provided with the hydraulic package that drives double end clamp assembly degree of tightness, main shaft 10 and double end are clamped to component design to be integrated, under main shaft 10 High Rotation Speeds, work by hydraulic package control double end clamp assembly, improve chuck strength, ensure the stability of workpiece processing.
Further optimize, described double end clamp assembly comprises collet 14 and trombone slide 15, described collet 14 is individually fixed in the two ends of trombone slide 15, described hydraulic package comprises oil cylinder 16 and flip sleeve 17, the cylindrical side of described flip sleeve 17 is provided with piston 18, described piston 18 is placed in oil cylinder 16, and described flip sleeve 17 is sheathed on described trombone slide 15 and collet 14, and does linear reciprocating motion along the axial direction of described main shaft 10.
Further optimize, the end of described flip sleeve is provided with internal taper hole 19, described internal taper hole 19 acts on the collet 14 of described trombone slide 15 one end, the collet 14 of described trombone slide 15 the other ends matches with the cylinder cap 20 of described oil cylinder 16, as shown in Figure 2, described main shaft 10 is respectively arranged with left oil inlet pipe 28 and right oil inlet pipe 29 with the jointing place of described gear 12, left oil inlet pipe 28 and right oil inlet pipe 29 are communicated with described oil cylinder 16, in the time that hydraulic oil is injected oil cylinder 16 from right oil inlet pipe 29 by high pressure, piston 18 is pushed and drives flip sleeve 17 to be moved to the left, now, internal taper hole 19 and cylinder cap 20 push collet 14, complete clamping, in the time that hydraulic oil is injected oil cylinder 16 from left oil inlet pipe 28 by high pressure, piston 18 is pushed and drives flip sleeve 17 to move right, and now, internal taper hole 19 and cylinder cap 20 discharge the extruding to collet 14, complete and unclamp.
Further optimize, on described flip sleeve 17, be arranged with seal ring 21, described seal ring 21 lays respectively at the both sides of described oil cylinder 16, improves the sealing of oil cylinder 16 by seal ring 21.
Further optimize, described bearing 11 one end are provided with back-up ring 22, described back-up ring 22 lays respectively at the both sides of described gear 12, and described back-up ring 22 is provided with oil groove 23 with the end face that described gear 12 contacts, when hydraulic oil high pressure is injected to oil groove 23, make gear 12 in axial float, and making main shaft 10 radial floatings in conjunction with circumferential oil pocket 13, both direction acts on simultaneously, makes main shaft 10 in quick condition, reduce frictional force and wear intensity between parts, when running up, can also guarantee its working life.
Further optimize, described main shaft 10 both sides are respectively arranged with oil sealing 24, while preventing main shaft 10 High Rotation Speed, and the circumferentially outside leakage of oil of oil pocket 13.
Above-described embodiment is only the preferred embodiment of model utility, not limits according to this protection domain of model utility, therefore: the equivalence that all structures according to model utility, shape, principle are done changes, within all should being covered by the protection domain of model utility.
Claims (6)
1. the hydrostatic spindle with hydraulic clamp, comprise main shaft and bearing, it is characterized in that: described bearing and the interactional inwall of described main shaft are provided with circumferential oil pocket, the lumen shaft of described main shaft, to being provided with double end clamp assembly, is provided with the hydraulic package that drives double end clamp assembly degree of tightness between described double end clamp assembly and described main shaft inwall.
2. the hydrostatic spindle with hydraulic clamp according to claim 1, it is characterized in that: described double end clamp assembly comprises collet and trombone slide, described collet is individually fixed in the two ends of trombone slide, described hydraulic package comprises oil cylinder and flip sleeve, the cylindrical side of described flip sleeve is provided with piston, described piston is placed in oil cylinder, and described flip sleeve is sheathed on described trombone slide and collet, and does linear reciprocating motion along the axial direction of described main shaft.
3. the hydrostatic spindle with hydraulic clamp according to claim 2, it is characterized in that: the end of described flip sleeve is provided with internal taper hole, described internal taper hole acts on the collet of described trombone slide one end, and the collet of the described trombone slide the other end matches with the cylinder cap of described oil cylinder.
4. according to the hydrostatic spindle with hydraulic clamp described in claim 2 or 3, it is characterized in that: on described flip sleeve, be arranged with seal ring, described seal ring lays respectively at the both sides of described oil cylinder.
5. the hydrostatic spindle with hydraulic clamp according to claim 1, is characterized in that: described bearing one end is provided with back-up ring, and described back-up ring lays respectively at the both sides of described gear, and the end face of described back-up ring and described Gear Contact is provided with oil groove.
6. the hydrostatic spindle with hydraulic clamp according to claim 1, is characterized in that: described main shaft both sides are respectively arranged with oil sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225932.1U CN203926401U (en) | 2014-05-04 | 2014-05-04 | With the hydrostatic spindle of hydraulic clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420225932.1U CN203926401U (en) | 2014-05-04 | 2014-05-04 | With the hydrostatic spindle of hydraulic clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926401U true CN203926401U (en) | 2014-11-05 |
Family
ID=51822216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420225932.1U Expired - Lifetime CN203926401U (en) | 2014-05-04 | 2014-05-04 | With the hydrostatic spindle of hydraulic clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926401U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655915A (en) * | 2018-05-15 | 2018-10-16 | 浙江辛子精工机械股份有限公司 | A kind of super-huge numerical control vertical grinding machine |
| CN109530729A (en) * | 2018-11-26 | 2019-03-29 | 西安增材制造国家研究院有限公司 | A kind of numerically controlled lathe clamping workpiece device and midway drive digital-control two-head lathe vehicle tool |
| CN109940175A (en) * | 2019-04-22 | 2019-06-28 | 宁波市鄞州华本电主轴科技有限公司 | A kind of integral type water cooling permanent magnetic servo Bidirectional clamping electric main shaft structure |
-
2014
- 2014-05-04 CN CN201420225932.1U patent/CN203926401U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655915A (en) * | 2018-05-15 | 2018-10-16 | 浙江辛子精工机械股份有限公司 | A kind of super-huge numerical control vertical grinding machine |
| CN108655915B (en) * | 2018-05-15 | 2023-05-02 | 浙江辛子精工机械股份有限公司 | Super-huge numerical control vertical mill |
| CN109530729A (en) * | 2018-11-26 | 2019-03-29 | 西安增材制造国家研究院有限公司 | A kind of numerically controlled lathe clamping workpiece device and midway drive digital-control two-head lathe vehicle tool |
| CN109940175A (en) * | 2019-04-22 | 2019-06-28 | 宁波市鄞州华本电主轴科技有限公司 | A kind of integral type water cooling permanent magnetic servo Bidirectional clamping electric main shaft structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG XINYUE MACHINE TOOLS CO., LTD. Free format text: FORMER NAME: YUHUAN XINYUE MACHINE TOOL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Yuhuan County city street atoll village of Taizhou city in Zhejiang province 317600 Patentee after: ZHEJIANG XINYUE MACHINE TOOL Co.,Ltd. Address before: Yuhuan County city street atoll village of Taizhou city in Zhejiang province 317600 Patentee before: Yuhuan Xinyue Machine Tool Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20231009 Address after: 314000 Room 202, building 1, No. 1186, North Street, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG ZHONGZHI JINGGONG INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 317600 Yucheng Street Atoll Village, Yuhuan County, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG XINYUE MACHINE TOOL Co.,Ltd. |
|
| TR01 | Transfer of patent right |