CN104117693A - Motorized spindle - Google Patents
Motorized spindle Download PDFInfo
- Publication number
- CN104117693A CN104117693A CN201410353600.6A CN201410353600A CN104117693A CN 104117693 A CN104117693 A CN 104117693A CN 201410353600 A CN201410353600 A CN 201410353600A CN 104117693 A CN104117693 A CN 104117693A
- Authority
- CN
- China
- Prior art keywords
- bearing
- main shaft
- cover
- groove
- casing
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to a motorized spindle. The motorized spindle comprises a machine shell, a stator, a rotor component and a spindle body. The surface of an inner shell body of the machine shell is provided with an annular cooling channel. The front end of the machine shell is provided with a sealing cover and a front cover. The back end face of the sealing cover is provided with an annular boss and a groove. The front end face of the front cover is provided with an annular protrusion and a groove, wherein the annular protrusion and the groove are matched with the sealing cover groove and the boss respectively. The back end of the front cover is provided with an end cover, the back end face of the end cover is provided with a back cover used for abutting against the side face of a front bearing. The end cover is circumferentially matched with an annular cover, the back bearing is provided with a bearing block for supporting the back bearing, the inner ring of the bearing block is provided with an annular groove in the circumferential direction, the spindle body is provided with a gasket with the edge clamped in the annular groove, a supporting block arranged on the spindle body in a sleeved mode is arranged between the gasket and the back bearing, at least one O-shaped rubber sealing ring is arranged between the supporting block and the back bearing, a thread at the back end of the spindle body is matched with a back bearing nut abutting against the side face of the back bearing, and a wire outlet base at the back end of the machine shell is provided with a cooling water inlet communicated with the cooling channel. The motorized spindle is good in heat dissipating and sealing effect and high in precision, the motorized spindle can be used for a long time, and the service life is prolonged.
Description
Technical field
The present invention relates to a kind of electric main shaft, belong to mechanical transmission.
Background technology
At present, electric main shaft is in process high speed rotation, need to enter workpiece coolingly by cutting fluid, and the flying to be stained with and to wash away of cutting fluid is easy to enter electric main shaft inside, and electric main shaft internal bearings and stator are caused to damage.The impurity such as bearing lubricant is of long duration in addition also easily enters electric main shaft inside, affects machining accuracy and the life-span of electric main shaft.
Summary of the invention
In order to address the above problem, the invention provides a kind of electric main shaft, compact conformation, good heat dissipation effect, precision is high, good sealing effect.
For achieving the above object, concrete scheme of the present invention is:
A kind of electric main shaft, comprise casing, be positioned at the stator component of chassis cavity, rotor part and be positioned at the main shaft at chassis cavity center, rear and front end at main shaft is respectively equipped with fore bearing, rear bearing, stator component is installed on casing inner wall, rotor part is installed on main shaft, casing comprises inner housing, be placed on the shell body of inner housing outer surface, there is ring-type cooling duct on inner housing surface, be provided with adjacent seal cover at casing front end, protecgulum, be provided with boss and the groove of adjacent ring-type at seal cover rear end face, be provided with projection and the groove of adjacent ring-type at the front end face of protecgulum, the boss of seal cover matches with the groove of protecgulum, the groove of seal cover matches with the projection of protecgulum, there is the end cap that supports fore bearing at front cover back-end, be fixed with the fore bearing bonnet that peaks at fore bearing side at the rear end face of end cap, fix a ring cowling circumferentially closely cooperating of end cap, and ring cowling is fixed between protecgulum and casing, ring cowling rear end is embedded in inner housing, be fixed with wire outlet seat at casing rear end, there is the bearing block that supports rear bearing at rear bearing place, bearing block is fixed in casing, interior ring edge at bearing block circumferentially has a circle to be positioned at the cannelure of rear bearing front side, on main shaft, cover has edge to be stuck in the packing ring of cannelure, between packing ring and rear bearing, there is the annular support block that is placed on main shaft, between back-up block and rear bearing, be at least provided with an O type rubber seal that is placed on main shaft, end at bearing block is fixed with bearing cap, at rear-end of spindle threaded engagement one rear bearing nut, rear bearing nut is positioned at bearing cap, the front end of rear bearing nut withstands on the side of rear bearing, between bearing cap and wire outlet seat, there is cavity, on wire outlet seat, there is the cooling water inlet communicating with cooling duct.
On wire outlet seat, be provided with the wire hole communicating with cavity.
On bearing block, be provided with the wire guide communicating with chassis cavity and cavity.
Heat radiation of the present invention, good sealing effect, precision is high, can ensure that electric main shaft uses for a long time, enhances productivity, and increases the service life.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
In figure: casing 1, chassis cavity 1-1, inner housing 1-2, cooling duct 1-2-1, shell body 1-3, stator component 2, rotor part 3, main shaft 4, fore bearing 5, rear bearing 6, seal cover 7, boss 7-1, groove one 7-2, protecgulum 8, groove two 8-1, projection 8-2, end cap 9, wire outlet seat 10, cooling water inlet 10-1, wire hole 10-2, bearing block 11, wire guide 11-1, cannelure 11-2, bearing cap 12, rear bearing nut 13, cavity 14, ring cowling 15, fore bearing bonnet 16, packing ring 17, back-up block 18, O type rubber seal 19.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment 1: referring to accompanying drawing 1, a kind of electric main shaft, comprise casing 1, be positioned at the stator component 2 of chassis cavity 1-1, rotor part 3 and be positioned at the main shaft 4 at chassis cavity 1-1 center, be respectively equipped with fore bearing 5 in the rear and front end of main shaft 4, rear bearing 6, stator component 2 is installed on casing 1 inwall, rotor part 3 is installed on main shaft 4, casing 1 comprises inner housing 1-2, be placed on the shell body 1-3 of inner housing 1-2 outer surface, there is ring-type cooling duct 1-2-1 on inner housing 1-2 surface, be provided with adjacent seal cover 7 at casing 1 front end, protecgulum 8, be provided with boss 7-1 and groove one 7-2 of adjacent ring-type at seal cover 7 rear end faces, be provided with protruding 8-2 and groove two 8-1 of adjacent ring-type at the front end face of protecgulum 8, the boss 7-1 of seal cover 7 matches with groove two 8-1 of protecgulum 8, groove one 7-2 of seal cover 7 matches with the protruding 8-2 of protecgulum 8, there is the end cap 9 that supports fore bearing 5 in protecgulum 8 rear ends, be fixed with the fore bearing bonnet 16 that peaks at fore bearing 5 sides at the rear end face of end cap 9, a ring cowling 15 is fixed in circumferentially closely cooperating of end cap 9, and ring cowling 15 is fixed between protecgulum 8 and casing 1, ring cowling 15 rear ends are embedded in inner housing 1-2, be fixed with wire outlet seat 10 in casing 1 rear end, there is the bearing block 11 that supports rear bearing 6 at rear bearing 6 places, bearing block 11 is fixed on casing 1, interior ring edge at bearing block 11 circumferentially has a circle to be positioned at the cannelure 11-2 of rear bearing 6 front sides, on main shaft 4, cover has edge to be stuck in the packing ring 17 of cannelure 11-2, between packing ring 17 and rear bearing 6, there is the annular support block 18 that is placed on main shaft 4, between back-up block 18 and rear bearing 6, be provided with two O type rubber seal 19 that are placed on main shaft 4, be fixed with bearing cap 12 in the end of bearing block 11, at main shaft 4 rear end threaded engagement one rear bearing nuts 13, rear bearing nut 13 is positioned at bearing cap 12, the front end of rear bearing nut 13 withstands on the side of rear bearing 6, between bearing cap 12 and wire outlet seat 10, there is cavity 14, on wire outlet seat 10, there is the cooling water inlet 10-1 communicating with cooling duct 1-2-1.
On wire outlet seat 10, be provided with the wire hole 10-2 communicating with cavity 14.
On bearing block 11, be provided with the wire guide 11-1 communicating with chassis cavity 1-1 and cavity 14.
The present invention is in when work, main shaft 4 High Rotation Speeds, and the cooling water inlet 10-1 of cooling water on wire outlet seat 10 enters cooling duct 1-2-1, can overall cooled rotor parts 3 and main shaft 4, good heat dissipation effect, improves the operating efficiency of electric main shaft greatly.Wire hole 10-2 on the wire guide 11-1 of power line on bearing block 11, cavity 14, wire outlet seat 10 draws with frequency converter and is connected, and the wire hole 10-2 on the wire guide 11-1 of temperature control line on bearing block 11, cavity 14, wire outlet seat 10 draws with temperature-control protector and is connected.
Front end of the present invention adopts the boss 7-1 of seal cover 7 and groove two 8-1 of protecgulum 8 to match, groove one 7-2 of seal cover 7 matches with the protruding 8-2 of protecgulum 8 and fixing fore bearing bonnet 16 seals in fore bearing 5 sides, rear end adopts packing ring 17, compresses annular support block 18 and two O type rubber seal 19 of O type rubber seal 19, effectively dustproof, prevent that cooling fluid, lubricating fluid from entering chassis cavity 1-1, good sealing effect; Adopt inner housing 1-2 surface to have ring-type cooling duct 1-2-1, between inner housing 1-2, shell body 1-3, effective cooling main shaft 4, ensures the long-time steady operation of electric main shaft.
Claims (3)
1. an electric main shaft, comprise casing, be positioned at the stator component of chassis cavity, rotor part and be positioned at the main shaft at chassis cavity center, rear and front end at main shaft is respectively equipped with fore bearing, rear bearing, stator component is installed on casing inner wall, rotor part is installed on main shaft, it is characterized in that: casing comprises inner housing, be placed on the shell body of inner housing outer surface, there is ring-type cooling duct on inner housing surface, be provided with adjacent seal cover at casing front end, protecgulum, be provided with boss and the groove of adjacent ring-type at seal cover rear end face, be provided with projection and the groove of adjacent ring-type at the front end face of protecgulum, the boss of seal cover matches with the groove of protecgulum, the groove of seal cover matches with the projection of protecgulum, there is the end cap that supports fore bearing at front cover back-end, be fixed with the fore bearing bonnet that peaks at fore bearing side at the rear end face of end cap, fix a ring cowling circumferentially closely cooperating of end cap, and ring cowling is fixed between protecgulum and casing, ring cowling rear end is embedded in inner housing, be fixed with wire outlet seat at casing rear end, there is the bearing block that supports rear bearing at rear bearing place, bearing block is fixed in casing, interior ring edge at bearing block circumferentially has a circle to be positioned at the cannelure of rear bearing front side, on main shaft, cover has edge to be stuck in the packing ring of cannelure, between packing ring and rear bearing, there is the annular support block that is placed on main shaft, between back-up block and rear bearing, be at least provided with an O type rubber seal that is placed on main shaft, end at bearing block is fixed with bearing cap, at rear-end of spindle threaded engagement one rear bearing nut, rear bearing nut is positioned at bearing cap, the front end of rear bearing nut withstands on the side of rear bearing, between bearing cap and wire outlet seat, there is cavity, on wire outlet seat, there is the cooling water inlet communicating with cooling duct.
2. electric main shaft according to claim 1, is characterized in that: on wire outlet seat, be provided with the wire hole communicating with cavity.
3. electric main shaft according to claim 1 and 2, is characterized in that: on bearing block, be provided with the wire guide communicating with chassis cavity and cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353600.6A CN104117693A (en) | 2014-07-24 | 2014-07-24 | Motorized spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353600.6A CN104117693A (en) | 2014-07-24 | 2014-07-24 | Motorized spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104117693A true CN104117693A (en) | 2014-10-29 |
Family
ID=51763458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410353600.6A Pending CN104117693A (en) | 2014-07-24 | 2014-07-24 | Motorized spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104117693A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625821A (en) * | 2014-12-26 | 2015-05-20 | 广州市昊志机电股份有限公司 | Novel cutter handle component |
| CN105478809A (en) * | 2016-01-28 | 2016-04-13 | 常州市翰琪电机有限公司 | Split type ultrasonic electric spindle |
| CN105798701A (en) * | 2016-05-11 | 2016-07-27 | 西安交通大学 | High-speed and high-precision electric main shaft based on pulsation heat pipe cooling structure |
| CN105921771A (en) * | 2016-06-15 | 2016-09-07 | 常州市翰琪电机有限公司 | High-speed ultrasonic automatic tool changing motorized spindle |
| CN106112021A (en) * | 2016-08-23 | 2016-11-16 | 常州市翰琪电机有限公司 | Ultrasound wave automatic tool changing electrical spindle |
| CN109317701A (en) * | 2018-11-12 | 2019-02-12 | 靖江斯贝得电机制造有限公司 | A kind of axial seal of electro spindle |
| CN112139986A (en) * | 2020-09-29 | 2020-12-29 | 宁波贝仕利机电技术有限公司 | High leakproofness electricity main shaft |
-
2014
- 2014-07-24 CN CN201410353600.6A patent/CN104117693A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625821A (en) * | 2014-12-26 | 2015-05-20 | 广州市昊志机电股份有限公司 | Novel cutter handle component |
| CN104625821B (en) * | 2014-12-26 | 2017-02-22 | 广州市昊志机电股份有限公司 | Cutter handle component |
| CN105478809A (en) * | 2016-01-28 | 2016-04-13 | 常州市翰琪电机有限公司 | Split type ultrasonic electric spindle |
| CN105798701A (en) * | 2016-05-11 | 2016-07-27 | 西安交通大学 | High-speed and high-precision electric main shaft based on pulsation heat pipe cooling structure |
| CN105921771A (en) * | 2016-06-15 | 2016-09-07 | 常州市翰琪电机有限公司 | High-speed ultrasonic automatic tool changing motorized spindle |
| CN106112021A (en) * | 2016-08-23 | 2016-11-16 | 常州市翰琪电机有限公司 | Ultrasound wave automatic tool changing electrical spindle |
| CN106112021B (en) * | 2016-08-23 | 2018-05-18 | 常州市翰琪电机有限公司 | Ultrasonic wave automatic tool changing electrical spindle |
| CN109317701A (en) * | 2018-11-12 | 2019-02-12 | 靖江斯贝得电机制造有限公司 | A kind of axial seal of electro spindle |
| CN112139986A (en) * | 2020-09-29 | 2020-12-29 | 宁波贝仕利机电技术有限公司 | High leakproofness electricity main shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141029 |
|
| WD01 | Invention patent application deemed withdrawn after publication |