CN203607966U - Cylindrical grinding motorized spindle - Google Patents
Cylindrical grinding motorized spindle Download PDFInfo
- Publication number
- CN203607966U CN203607966U CN201320764073.9U CN201320764073U CN203607966U CN 203607966 U CN203607966 U CN 203607966U CN 201320764073 U CN201320764073 U CN 201320764073U CN 203607966 U CN203607966 U CN 203607966U
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- CN
- China
- Prior art keywords
- shell
- rotor
- stator
- rear end
- 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.)
- Expired - Lifetime
Links
- 239000000428 dust Substances 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the field of motorized spindles and particularly relates to a cylindrical grinding motorized spindle. The spindle comprises a shell, a stator, a rotor, a front end cover and a rear end cover. The shell is a cylindrical tube. A water channel and an airtight sealed channel are arranged in a wall of the tube. The stator is fixed on the inner side wall of the shell, and the rotor is sleeved by the stator. The front end and the rear end of the shell are equipped with the front end cover and the rear end cover respectively. An installation hole is arranged at the center of the front end surface of the stator. The installation hole is a truncated conical hole. A threaded connecting rod is arranged at the bottom of the hole. The rotor and the shell are fixedly installed via a bearing. The rotor is provided with a front balancing ring and a rear balancing ring at the front end and the rear end respectively. The installation hole of the spindle is a tapered conical hole and the threaded connecting rod is arranged at the bottom of the hole. The design of the tapered cone facilitates replacing cutters or grinders. Through cooperation between the threaded connecting rod arranged at the bottom of the hole and the tapered conical hole, the positioning precision is made higher, the airtightness and dust resistance are substantially improved, the stability of equipment running is enhanced, and the service life of equipment is largely extended.
Description
Technical field
The utility model belongs to electric main shaft field, is specifically related to a kind of cylindricalo grinding electricity main shaft.
Background technology
Main shaft is the critical component of Digit Control Machine Tool, is main mainly with Purely mechanical drive mechanism, and external motor is passed to the main shaft of lathe indirectly by the kind of drive such as belt, gear power, thereby realizes the spinfunction of main shaft.The electricity main shaft new technology that to be recent years occur in Digit Control Machine Tool field combines machine tool chief axis and spindle motor together.High Speed NC Machine Tools main transmission has been cancelled belt wheel transmission and gear drive.Machine tool chief axis is directly driven by built-in motor, thereby is zero the contraction in length of Machine Tool Main Drive chain, has realized " zero transmission " of lathe.Electricity main shaft is since occurring; be used widely in machine tooling field rapidly; in machining, often can run into cylindricalo grinding, the existing electric main shaft to foreign round connecting rod in grinding knife tool and electric spindle mounting hole adopts matched in clearance, has the problem that positioning precision is low.
Utility model content
The utility model for prior art exist electric main shaft to foreign round the connecting rod in grinding knife tool and electric spindle mounting hole adopt matched in clearance, there is the problem that positioning precision is low, a kind of cylindricalo grinding electricity main shaft is proposed.
The technical solution of the utility model is: a kind of cylindricalo grinding electricity main shaft, comprise shell, stator, rotor, front end housing and rear end cap, described shell is a circular cylinder body, in the wall of cylindrical shell, offer the gentle seal channel of tank, stator is fixed on the madial wall of shell, rotor is socketed in stator, the front-end and back-end of shell are separately installed with front end housing and rear end cap, the center of the front end face of described stator is provided with installing hole, installing hole be shaped as a bellmouth blocking, the bottom in hole is provided with whorl brace rod, rotor and shell fixedly mount by bearing, the front-end and back-end of rotor are provided with forward horizontal stand ring and back balance ring.
Described cylindricalo grinding electricity main shaft, the center of described rear end cap is provided with aviation plug, and the end face bottom of rear end cap is provided with water inlet and delivery port.
Described cylindricalo grinding electricity main shaft, described stator and the assembling of shell gap are provided with screwed hole on shell, and screw is assemblied in screwed hole and fixed stator.
Described cylindricalo grinding electricity main shaft, rotor is arranged on enclosure by ball bearing, and bearing is arranged on bearing pedestal, between bearing pedestal and shell, is provided with ball retainer.
Described cylindricalo grinding electricity main shaft is provided with spring base between rear end cap and retainer, between spring base and ball retainer, is provided with cylindrical spring, and cylindrical spring is uniformly distributed along the circumferencial direction of spring base.
Described cylindricalo grinding electricity main shaft, the quantity of described spring is 4-10, and number of springs is even number.
Described cylindricalo grinding electricity main shaft, foremost, the outer setting of shell has dust cap to described rotor.
The beneficial effects of the utility model are: 1, installing hole of the present utility model be shaped as a bellmouth blocking, the bottom in hole is provided with whorl brace rod, the such design of truncated cone shape is convenient for changing cutter or grinding tool, in installing hole bottom, threaded rod being set coordinates and makes positioning precision higher with truncated cone shape installing hole, air-tightness and dust tightness all improve greatly, improve the stability of equipment operation, greatly extended the useful life of equipment.
2, the utility model is provided with aviation plug on the rear end cap of electric main shaft, and aviation plug has compared with generic interface, longer with the life-span, and combined socket and switch good looking appearance is easy to use; Intensity is high, and corrosion resistance is strong, has good barrier propterty; Can dock with wire casing and spool the advantages such as convenient plug.
3, between rear end cap of the present utility model and retainer, be provided with spring base, between spring base and ball retainer, be provided with cylindrical spring, cylindrical spring is uniformly distributed along the circumferencial direction of spring base, when cylindrical spring is mainly convenient adjustment position of bearings, more convenient, when assembling, accommodation is better, has greatly improved the efficiency of producing electric main shaft, improve operating efficiency, there is certain economic benefit.
Accompanying drawing explanation
Fig. 1 is that structural representation is partly cutd open in side of the present utility model;
Fig. 2 is rear end cover structure schematic diagram of the present utility model;
In figure, 1 is installing hole, and 2 is threaded rod, and 3 is dust cap, 4 is front end housing, and 5 is shell, and 6 is hermetic seal passage, and 7 is bearing pedestal, 8 is ball bearing, and 9 is retainer, and 10 is spring base, and 11 is rear end cap, 12 is sealing gland interface, and 13 is aviation plug, and 14 is water inlet, 15 is cylindrical spring, and 16 is tank, and 17 is rotor, 18 is screwed hole, and 19 is stator, and 20 is delivery port.
Embodiment
Embodiment 1: in conjunction with Fig. 1-Fig. 2: a kind of cylindricalo grinding electricity main shaft, comprise shell, stator, rotor, front end housing and rear end cap, described shell is a circular cylinder body, offers the gentle seal channel of tank in the wall of cylindrical shell,
Stator is fixed on the madial wall of shell, and rotor is socketed in stator, and stator and the assembling of shell gap are provided with screwed hole on shell, and screw is assemblied in screwed hole and fixed stator.The front-end and back-end of shell are separately installed with front end housing and rear end cap, and the center of rear end cap is provided with aviation plug, and the end face bottom of rear end cap is provided with water inlet and delivery port; Tank is communicated with water inlet and delivery port respectively, hermetic seal passage is communicated with the hermetic seal interface being arranged on rear end cap, the center of the front end face of stator is provided with installing hole, installing hole be shaped as a bellmouth blocking, the bottom in hole is provided with whorl brace rod, and rotor and shell fixedly mount by bearing, and rotor is arranged on enclosure by ball bearing, bearing is arranged on bearing pedestal, between bearing pedestal and shell, is provided with ball retainer.The front-end and back-end of rotor are provided with forward horizontal stand ring and back balance ring.Between rear end cap and retainer, be provided with spring base, be provided with 4 cylindrical springs between spring base and ball retainer, cylindrical spring is uniformly distributed along the circumferencial direction of spring base.The outer setting of shell has dust cap.
Embodiment 2: without figure, the part identical with embodiment 1 do not repeat, and different is to be provided with spring base between rear end cap and retainer, is provided with 10 cylindrical springs between spring base and ball retainer.
Embodiment 3: without figure, the part identical with embodiment 1 do not repeat, and different is to be provided with spring base between rear end cap and retainer, is provided with 8 cylindrical springs between spring base and ball retainer.
Claims (7)
1.
?a kind of cylindricalo grinding electricity main shaft, comprise shell, stator, rotor, front end housing and rear end cap, described shell is a circular cylinder body, in the wall of cylindrical shell, offer the gentle seal channel of tank, stator is fixed on the madial wall of shell, rotor is socketed in stator, the front-end and back-end of shell are separately installed with front end housing and rear end cap, it is characterized in that: the center of the front end face of described stator is provided with installing hole, installing hole be shaped as a bellmouth blocking, the bottom in hole is provided with whorl brace rod, rotor and shell fixedly mount by bearing, the front-end and back-end of rotor are provided with forward horizontal stand ring and back balance ring.
2.
?cylindricalo grinding electricity main shaft according to claim 1, is characterized in that: the center of described rear end cap is provided with aviation plug, the end face bottom of rear end cap is provided with water inlet and delivery port.
3.
?cylindricalo grinding electricity main shaft according to claim 1, is characterized in that: described stator and the assembling of shell gap, on shell, be provided with screwed hole, and screw is assemblied in screwed hole and fixed stator.
4.
?cylindricalo grinding electricity main shaft according to claim 1, is characterized in that: rotor is arranged on enclosure by ball bearing, bearing is arranged on bearing pedestal, between bearing pedestal and shell, is provided with ball retainer.
5.
?cylindricalo grinding electricity main shaft according to claim 1, is characterized in that: between rear end cap and retainer, be provided with spring base, between spring base and ball retainer, be provided with cylindrical spring, cylindrical spring is uniformly distributed along the circumferencial direction of spring base.
6.
?cylindricalo grinding electricity main shaft according to claim 5, is characterized in that: the quantity of described spring is 4-10, and number of springs is even number.
7.
?cylindricalo grinding electricity main shaft according to claim 1, is characterized in that: foremost, the outer setting of shell has dust cap to described rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764073.9U CN203607966U (en) | 2013-11-29 | 2013-11-29 | Cylindrical grinding motorized spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764073.9U CN203607966U (en) | 2013-11-29 | 2013-11-29 | Cylindrical grinding motorized spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607966U true CN203607966U (en) | 2014-05-21 |
Family
ID=50720625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320764073.9U Expired - Lifetime CN203607966U (en) | 2013-11-29 | 2013-11-29 | Cylindrical grinding motorized spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203607966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942635A (en) * | 2015-07-21 | 2015-09-30 | 安阳工学院 | Dual-drive tandem motor electro-spindle |
-
2013
- 2013-11-29 CN CN201320764073.9U patent/CN203607966U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942635A (en) * | 2015-07-21 | 2015-09-30 | 安阳工学院 | Dual-drive tandem motor electro-spindle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |