CN203945255U - A kind of grinding electric main shaft feed mechanism - Google Patents
A kind of grinding electric main shaft feed mechanism Download PDFInfo
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- CN203945255U CN203945255U CN201420330809.6U CN201420330809U CN203945255U CN 203945255 U CN203945255 U CN 203945255U CN 201420330809 U CN201420330809 U CN 201420330809U CN 203945255 U CN203945255 U CN 203945255U
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- main shaft
- electric main
- fixed muffle
- screw mandrel
- rack sleeve
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Abstract
The utility model discloses a kind of grinding electric main shaft feed mechanism, comprise a fixed muffle, being sleeved on also can be along the electric main shaft of slippage before and after fixed muffle length direction in fixed muffle, and be located at fixed muffle one end in order to drive the screw mandrel drive mechanism of electric main shaft front and back slippage, driving screw mandrel in screw mandrel drive mechanism is concentric with electric main shaft, fixed muffle is concentric with electric main shaft, the output of electricity main shaft is connected with an abrasive grinding wheel, adopt electric main shaft as grinding wheel spindle, and using electric spindle set in the fixed muffle of guide rail, fixed muffle one end install screw mandrel drive mechanism drive electric main shaft along fixed muffle direction move forward into, not only overall construction design is more compact, and due to fixed muffle, electricity main shaft and driving screw mandrel three are concentric, make as the electric main shaft rectilinear movement feeding of grinding wheel spindle more steady, also improve the rigidity of whole mechanism simultaneously, effectively suppress the vibration producing in wheel grinding process, greatly improve workpiece grinding quality and precision.
Description
Technical field
the utility model relates to grinding equipment technical field, particularly a kind of grinding electric main shaft feed mechanism.
Background technology
at present, surface grinding machine has a wide range of applications in field of machining, is mainly used in grinding work piece plane or molded surface, can be divided into vertical shaft type surface grinding machine and axle horizontal type surface grinding machine according to the arrangement of grinding wheel spindle.Vertical shaft type surface grinding machine is to utilize the grinding wheel spindle of vertically settling with abrasive wheel end face grinding work piece, main version is that column is set on lathe bed, on column, be vertically provided with guide rail and slide, grinding wheel spindle and emery wheel are arranged on slide, drive slide mobile to drive wheel grinding feeding vertically along the guide rail of column.But abrasive grinding wheel feeding exists the problem that precision is not high under this kind of version, and because grinding wheel spindle and emery wheel are to arrange and be arranged on column in the mode of cantilever beam, when wheel grinding workpiece, easily there is vibration, affect grinding quality.Grinding electric main shaft feed mechanism under this kind of version, bulky simultaneously, poor rigidity.
Utility model content
The grinding electric main shaft feed mechanism that technical problem to be solved in the utility model is to provide a kind of good rigidly, compact conformation and operates steadily.
For solving the problems of the technologies described above adopted technical scheme: a kind of grinding electric main shaft feed mechanism, comprise a fixed muffle, be sleeved in fixed muffle and can be along the electric main shaft of slippage before and after fixed muffle length direction, and be located at fixed muffle one end in order to drive the screw mandrel drive mechanism of electric main shaft front and back slippage, driving screw mandrel in described screw mandrel drive mechanism is concentric with electric main shaft, described fixed muffle is concentric with electric main shaft, and the output of described electric main shaft is connected with an abrasive grinding wheel.
Be further used as the improvement of technical solutions of the utility model, described screw mandrel drive mechanism comprise be located at fixed muffle one end drive motors, with the joining driving screw mandrel of drive motors and feed screw nut, described feed screw nut is arranged on center, electric main shaft one end, and described driving screw mandrel is connected with screw nut driving.
Be further used as the improvement of technical solutions of the utility model, described electric main shaft comprises rack sleeve, is located at the main shaft in rack sleeve, and be located at stator module, the rotor assembly between rack sleeve and main shaft, described stator module is fixed on rack sleeve inwall, described rotor assembly is sleeved on main shaft, be provided with rack sleeve end cap in described rack sleeve one end, described feed screw nut is fixedly mounted on rack sleeve end cap center.
Be further used as the improvement of technical solutions of the utility model, described main shaft is axially arranged with center coolant flow channel, at two of described main shaft, spaced radial is provided with some first flows that communicate with center coolant flow channel and the second runner respectively, described rack sleeve end cap is provided with cooling fluid and enters runner, and in described electric main shaft, formation one connection cooling fluid enters the annular housing of runner and each first flow.
Be further used as the improvement of technical solutions of the utility model, described abrasive grinding wheel is arranged on the other end of main shaft, and described abrasive grinding wheel spaced radial has some cooling fluids and discharges runner, and each described cooling fluid is discharged runner and each corresponding being connected of the second runner.
Be further used as the improvement of technical solutions of the utility model, described rack sleeve in fixed muffle, is provided with the oil pocket that passes into hydraulic oil by sliding supported condition at described sliding bearing with rack sleeve on the end face contacting.
Beneficial effect: this grinding electric main shaft feed mechanism is integrated electric main shaft to be sleeved in fixed muffle, the version of abandoning tradition surface grinding machine medium plain emery wheel main shaft, adopt electric main shaft as grinding wheel spindle, and using electric spindle set in the fixed muffle of guide rail, fixed muffle one end install screw mandrel drive mechanism drive electric main shaft along fixed muffle direction move forward into, not only overall construction design is more compact, and due to fixed muffle, electricity main shaft and driving screw mandrel three are concentric, make as the electric main shaft rectilinear movement feeding of grinding wheel spindle more steady, also improve the rigidity of whole mechanism simultaneously, effectively suppress the vibration producing in wheel grinding process, greatly improve workpiece grinding quality and precision.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described further;
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the partial exploded view of the utility model embodiment;
Fig. 3 is the profile of the utility model embodiment;
Fig. 4 is the use schematic diagram of the utility model embodiment.
Detailed description of the invention
Referring to figs. 1 through Fig. 4, a kind of grinding electric main shaft feed mechanism of the utility model, comprise a fixed muffle 10, be sleeved in fixed muffle 10 and can be along the electric main shaft 20 of slippages before and after fixed muffle 10 length directions, and be located at fixed muffle 10 one end in order to drive the screw mandrel drive mechanism 30 of electric main shaft 20 front and back slippages, driving screw mandrel 31 in screw mandrel drive mechanism 30 is concentric with electric main shaft 20, fixed muffle 10 is concentric with electric main shaft 20, and the output of electric main shaft 20 is connected with an abrasive grinding wheel 40.
This grinding electric main shaft feed mechanism is integrated electric main shaft 20 to be sleeved in fixed muffle 10, the version of abandoning tradition surface grinding machine medium plain emery wheel main shaft, adopt electric main shaft 20 as grinding wheel spindle, and electric main shaft 20 is sleeved in the fixed muffle 10 of guide rail, fixed muffle 10 one end install screw mandrel drive mechanisms 30 drive electric main shaft 20 along fixed muffle 10 directions move forward into, not only overall construction design is more compact, and due to fixed muffle 10, electricity main shaft 20 and driving screw mandrel 31 threes are concentric, make as the feeding that moves linearly of the electric main shaft 20 of grinding wheel spindle more steady, also improve the rigidity of whole mechanism simultaneously, effectively suppress the vibration producing in wheel grinding process, greatly improve workpiece grinding quality and precision.
In the present embodiment, fixed muffle 10 is bolted part by the first sleeve 11 and the second sleeve 12 and is composed of a fixed connection, wherein in the whole inner chamber that is sleeved on fixed muffle 10 of electric main shaft 20, electricity main shaft 20 is to be bearing in fixed muffle 10 by cod, electricity main shaft 20 outside can be along slippage before and after the length direction of fixed muffle 10 under active force, screw mandrel drive mechanism 30 is arranged on the upper end of the first sleeve 11, wherein screw mandrel drive mechanism 30 comprises driving screw mandrel 31, drive motors 32, feed screw nut 33, drive motors 32 is fixedly mounted on the first sleeve 11 centers, upper end, the output shaft of drive motors 32 is connected with driving screw mandrel 31, drive screw mandrel 31 to be positioned at the first sleeve 11 center, feed screw nut 33 is fixedly mounted on electric main shaft 20 centers, upper end, drive the lower end of screw mandrel 31 to be threaded and to be fixed together with feed screw nut 33, drive motors 32 work drive and drive screw mandrel 31 to rotate, under the effect of screw thread transmission, drive electric main shaft 20 in fixed muffle slippage Shang Xia 10, and then the feeding of control abrasive grinding wheel 40.
Wherein, electricity main shaft 20 comprises rack sleeve 21, main shaft 22, stator module 23, rotor assembly 24 and rack sleeve end cap 25, between rack sleeve 21 and fixed muffle 10, sliding bearing 50 is set, on the end face contacting with rack sleeve 21 at sliding bearing 50, be provided with the oil pocket 51 that passes into hydraulic oil, oil pocket 51 makes to form oil film between sliding bearing 50 and rack sleeve 21 after passing into hydraulic oil, and then rack sleeve 21 can steadily be moved up and down fixed muffle 10 is interior.
Fixed muffle 10 and rack sleeve 21 are all cylindric, and rack sleeve 21 concentric locking collars are contained in fixed muffle 10, the now effect of fixed muffle 10 is equivalent to a guide rail in order to control the moving direction of rack sleeve 21, makes the electric main shaft 20 outside can steady and high-precision moving up and down under active force.
Moving up and down of main shaft 20 of electricity is by screw mandrel drive mechanism 30, owing to driving screw mandrel 31 to be positioned at fixed muffle 10 center and feed screw nut 33 is fixedly mounted on electric main shaft 20 centers, upper end, drive screw mandrel 31 concentric with electric main shaft 20, drive force direction that electric main shaft 20 moves just in electric main shaft 20 center, can significantly improve the stationarity that electric main shaft 20 moves linearly, avoid occurring vibration.
In the utility model, electricity main shaft 20 is the logical water-cooled mode in employing center also, be that main shaft 22 is axially arranged with center coolant flow channel 221, the two ends up and down of main shaft 22 are supported in electric main shaft 20 by bearing, rack sleeve end cap 25 is made up of the first rack sleeve end cap 251 and the second rack sleeve end cap 252 that is plate-like, the second rack sleeve end cap 252 is fixedly mounted on rack sleeve 21 upper ends in order to seal rack sleeve 21 upper end open and at the interior formation annular housing 26 of rack sleeve 21, the first rack sleeve end cap 251 is fixedly mounted on the second rack sleeve end cap 252, feed screw nut 33 is fixedly mounted on the first rack sleeve end cap 251 centers, upper end, in the first rack sleeve end cap 251 and the second rack sleeve end cap 252, have the through hole being interconnected and enter runner 253 to form cooling fluid, cooling fluid enters runner 253 and is connected with annular housing 26, extend radially outwardly from center coolant flow channel 221 intervals in the upper end of main shaft 22 and form multiple first flows 222, each first flow 222 is just connected with annular housing 26, abrasive grinding wheel 40 is arranged on main shaft 22 lower ends, abrasive grinding wheel 40 in the form of a ring, in abrasive grinding wheel 40, be radially spaced some cooling fluids and discharged runner 41, extend radially outwardly from center coolant flow channel 221 intervals in the lower end of main shaft 22 and form multiple the second runners 223, in the time that abrasive grinding wheel 40 is fixed on main shaft 22 lower end, each cooling fluid is discharged runner 41 and each just corresponding being connected of the second runner 223.
Cooling fluid enters runner 253 from the cooling fluid of rack sleeve end cap 25 and enters the annular housing 26 in electric main shaft 20, radially flowing to main shaft 22 center coolant flow channel 221 through the first flow 222 of main shaft 22 upper ends, cooling fluid radially flows out to the cooling fluid discharge runner 41 of abrasive grinding wheel 40 again from the second runner 223 of main shaft 22 lower ends, finally enter grinding area and carry out cooling.Main shaft 22 centers in electricity main shaft 20 arrange center coolant flow channel 221, not only cooling fluid can be drained into and carry out cooling to emery wheel and workpiece in the cooling fluid discharge runner 41 in abrasive grinding wheel 40, can also play cooling to the main shaft of High Rotation Speed 22, abrasive grinding wheel 40 High Rotation Speeds make coolant distribution more even under the effect of centrifugal force simultaneously, and cooling effect is better.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken possessing at described technical field those of ordinary skill, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (6)
1. a grinding electric main shaft feed mechanism, it is characterized in that: comprise a fixed muffle, be sleeved in fixed muffle and can be along the electric main shaft of slippage before and after fixed muffle length direction, and be located at fixed muffle one end in order to drive the screw mandrel drive mechanism of electric main shaft front and back slippage, driving screw mandrel in described screw mandrel drive mechanism is concentric with electric main shaft, described fixed muffle is concentric with electric main shaft, and the output of described electric main shaft is connected with an abrasive grinding wheel.
2. grinding electric main shaft feed mechanism according to claim 1, it is characterized in that: described screw mandrel drive mechanism comprise be located at fixed muffle one end drive motors, with the joining driving screw mandrel of drive motors and feed screw nut, described feed screw nut is arranged on center, electric main shaft one end, and described driving screw mandrel is connected with screw nut driving.
3. grinding electric main shaft feed mechanism according to claim 2, it is characterized in that: described electric main shaft comprises rack sleeve, is located at the main shaft in rack sleeve, and be located at stator module, the rotor assembly between rack sleeve and main shaft, described stator module is fixed on rack sleeve inwall, described rotor assembly is sleeved on main shaft, be provided with rack sleeve end cap in described rack sleeve one end, described feed screw nut is fixedly mounted on rack sleeve end cap center.
4. grinding electric main shaft feed mechanism according to claim 3, it is characterized in that: described main shaft is axially arranged with center coolant flow channel, at two of described main shaft, spaced radial is provided with some first flows that communicate with center coolant flow channel and the second runner respectively, described rack sleeve end cap is provided with cooling fluid and enters runner, and in described electric main shaft, formation one connection cooling fluid enters the annular housing of runner and each first flow.
5. grinding electric main shaft feed mechanism according to claim 4, it is characterized in that: described abrasive grinding wheel is arranged on the other end of main shaft, described abrasive grinding wheel spaced radial has some cooling fluids and discharges runner, and each described cooling fluid is discharged runner and each corresponding being connected of the second runner.
6. grinding electric main shaft feed mechanism according to claim 3, is characterized in that: described rack sleeve in fixed muffle, is provided with the oil pocket that passes into hydraulic oil by sliding supported condition at described sliding bearing with rack sleeve on the end face contacting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330809.6U CN203945255U (en) | 2014-06-19 | 2014-06-19 | A kind of grinding electric main shaft feed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330809.6U CN203945255U (en) | 2014-06-19 | 2014-06-19 | A kind of grinding electric main shaft feed mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN203945255U true CN203945255U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420330809.6U Active CN203945255U (en) | 2014-06-19 | 2014-06-19 | A kind of grinding electric main shaft feed mechanism |
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| CN (1) | CN203945255U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802075A (en) * | 2015-05-07 | 2015-07-29 | 格拉斯曼机床（北京）有限公司 | Grinding electric spindle of machine tool |
| CN107378005A (en) * | 2017-08-31 | 2017-11-24 | 朗快智能科技（杭州）有限公司 | A kind of more guide rail electro spindle power set |
| CN109176310A (en) * | 2018-10-10 | 2019-01-11 | 四川工程职业技术学院 | A kind of polishing electric main shaft device |
-
2014
- 2014-06-19 CN CN201420330809.6U patent/CN203945255U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802075A (en) * | 2015-05-07 | 2015-07-29 | 格拉斯曼机床（北京）有限公司 | Grinding electric spindle of machine tool |
| CN104802075B (en) * | 2015-05-07 | 2017-05-03 | 格拉斯曼机床（北京）有限公司 | Grinding electric spindle of machine tool |
| CN107378005A (en) * | 2017-08-31 | 2017-11-24 | 朗快智能科技（杭州）有限公司 | A kind of more guide rail electro spindle power set |
| CN109176310A (en) * | 2018-10-10 | 2019-01-11 | 四川工程职业技术学院 | A kind of polishing electric main shaft device |
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