CN204053759U - A kind of high rigidity grinding spindle system - Google Patents
A kind of high rigidity grinding spindle system Download PDFInfo
- Publication number
- CN204053759U CN204053759U CN201420362321.1U CN201420362321U CN204053759U CN 204053759 U CN204053759 U CN 204053759U CN 201420362321 U CN201420362321 U CN 201420362321U CN 204053759 U CN204053759 U CN 204053759U
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- CN
- China
- Prior art keywords
- liquid
- main shaft
- swollen
- knife
- positioning seat
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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.)
- Withdrawn - After Issue
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The utility model discloses a kind of high rigidity grinding spindle system, comprise main shaft, the power intake of main shaft is provided with bearing detent mechanism, the clutch end of main shaft is provided with rigidity positioning seat, the clutch end of main shaft overlapping the main shaft handle of a knife be equiped with for installing abrasive grinding wheel, between main shaft handle of a knife and described rigidity positioning seat, being provided with tapered face fit structure; Bearing detent mechanism comprises bearing block and is positioned at bearing block and is sleeved on the liquid expansion set on main shaft, bearing is provided with between bearing block and liquid expansion set, liquid expansion set is provided with swollen section of liquid, main shaft handle of a knife is provided with the swollen gripping section of liquid stretched in swollen section of described liquid, and liquid is swollen section and be provided with the swollen clamping structure of liquid between the swollen gripping section of liquid.By adopting tapered face fit structure to be rigidly connected by between one end of main shaft handle of a knife and rigidity positioning seat, the other end is rigidly connected by the swollen clamping structure of liquid and liquid expansion set, in the process of High Rotation Speed, radial vibration can not be there is because of the assemblage gap existed, effectively can improve grinding accuracy.
Description
Technical field
The utility model relates to the axis system of a kind of grinding machine or device, and concrete is a kind of high rigidity grinding spindle system.
Background technology
Publication number is the grinding wheel main shaft structure that the Chinese patent application of CN102765051A discloses a kind of grinding machine, this grinding wheel main shaft structure comprises support, main shaft, grinding carriage, eccentric shaft, described grinding carriage is fastenedly connected the output of described main shaft, the inside that the front end of described main shaft is supported on described eccentric shaft by bearing is installed in cavity, described eccentric shaft runs through the inside installing hole of described support, the afterbody input of described main shaft is fastenedly connected one end of rubber universal joint, the center of closing panel is fastenedly connected after the other end of described rubber universal joint runs through support tailstock, described closing panel is circumferential is fastenedly connected off-load belt pulley, described off-load belt pulley is loaded on the cylindrical anchor ring of described support tailstock by bearing holder (housing, cover), described support tailstock is fastenedly connected the rearward end of described support.
Although this grinding wheel main shaft structure can improve the rotation error of main shaft to a certain extent, but because the output of main shaft and grinding carriage are rigidly connected, input only positions by installing cavity with the inside of eccentric shaft, cause the rigidity of axis system not enough, namely main shaft and eccentric shaft inside are installed between cavity and will inevitably be there is assemblage gap, when in main shaft high-speed rotation, inevitably there is radial vibration, and then cause grinding accuracy to reduce.
Especially, in the process of grinding gear, due to the error that grinding spindle system exists, existing wheel grinding frock all cannot meet the requirement of high class gear grinding.Have to buy expensive high-end gear grinding machines to improve gear grinding precision, this can increase the burden of enterprise undoubtedly.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of high rigidity grinding spindle system, and this high rigidity grinding spindle system can avoid the vibration in high-speed rotation, and then improves grinding accuracy.
For achieving the above object, the utility model provides following technical scheme:
A kind of high rigidity grinding spindle system, comprise main shaft, the power intake of described main shaft is provided with bearing detent mechanism, the clutch end of main shaft is provided with rigidity positioning seat, the clutch end of described main shaft overlapping the main shaft handle of a knife be equiped with for installing abrasive grinding wheel, between described main shaft handle of a knife and described rigidity positioning seat, being provided with tapered face fit structure; Described bearing detent mechanism comprises bearing block and is positioned at described bearing block and is sleeved on the liquid expansion set on described main shaft, bearing is provided with between described bearing block and liquid expansion set, described liquid expansion set is provided with swollen section of liquid, described main shaft handle of a knife is provided with the swollen gripping section of liquid stretched in swollen section of described liquid, and described liquid is swollen section and be provided with the swollen clamping structure of liquid between the swollen gripping section of described liquid.
Further, described tapered face fit structure comprises the taper termination, location that is arranged on described main shaft handle of a knife and to be arranged on described rigidity positioning seat and locate with described taper the taper detent that termination coordinates, and described taper is located between termination and described rigidity positioning seat and is also provided with location end face.
Further, the swollen clamping structure of described liquid comprises and is arranged on the thin expansion bushing on swollen section of described liquid and the swollen system of liquid for driving described thin expansion bushing to clamp the swollen gripping section of described liquid.
Further, described main shaft handle of a knife being provided with the restriction protrusion for spacing abrasive grinding wheel near one end of described bearing detent mechanism, being provided with the supported flange for being pressed abd fixed on by abrasive grinding wheel in described restriction protrusion near one end of described rigidity positioning seat.
The beneficial effects of the utility model are:
High rigidity grinding spindle system of the present utility model, by adopting tapered face fit structure to be rigidly connected by between one end of main shaft handle of a knife and rigidity positioning seat, the other end is rigidly connected by the swollen clamping structure of liquid and liquid expansion set, namely all to adopt rigidly connected mode to install fixing at the two ends of main shaft handle of a knife, in the process of High Rotation Speed, radial vibration can not be there is because of the assemblage gap existed, effectively can improve grinding accuracy.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the utility model high rigidity grinding spindle system embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, be the structural representation of the utility model high rigidity grinding spindle system embodiment.The high rigidity grinding spindle system of the present embodiment, comprise main shaft 1, the power intake of main shaft 1 is provided with bearing detent mechanism, the clutch end of main shaft 1 is provided with rigidity positioning seat 2, the clutch end of main shaft 1 overlapping the main shaft handle of a knife 4 be equiped with for installing abrasive grinding wheel 3, between main shaft handle of a knife 4 and rigidity positioning seat 2, being provided with tapered face fit structure.Bearing detent mechanism comprises bearing block 5 and is positioned at bearing block 5 and is sleeved on the liquid expansion set 6 on main shaft 1, bearing 7 is provided with between bearing block 5 and liquid expansion set 6, liquid expansion set 6 is provided with liquid swollen section of 6a, main shaft handle of a knife 4 is provided with the swollen gripping section 4a of liquid stretched in liquid swollen section of 6a, and liquid is swollen is provided with the swollen clamping structure of liquid between section 6a and liquid swollen gripping section 4a.
The high rigidity grinding spindle system of the present embodiment, by adopting tapered face fit structure to be rigidly connected by between one end of main shaft handle of a knife 4 and rigidity positioning seat 2, the other end is rigidly connected by the swollen clamping structure of liquid and liquid expansion set 6, namely all to adopt rigidly connected mode to install fixing at the two ends of main shaft handle of a knife 4, in the process of High Rotation Speed, radial vibration can not be there is because of the assemblage gap existed, effectively can improve grinding accuracy.
Further, tapered face fit structure comprises the taper location termination 4b that is arranged on main shaft handle of a knife 4 and to be arranged on rigidity positioning seat 2 and to locate with taper the taper detent 2a that termination 4b coordinates, and be also provided with location end face between taper location termination 4b and rigidity positioning seat 2, the centralized positioning between main shaft handle of a knife 4 and rigidity positioning seat 2 can be realized on the one hand by taper location termination 4b and taper detent 2a, on the other hand, by arranging location end face, main shaft handle of a knife 4 can be avoided in high-speed rotation to produce axial vibration.
Further, liquid is swollen, and clamping structure comprises is arranged on the thin expansion bushing 6b on liquid swollen section of 6a and the swollen system of liquid for driving thin expansion bushing 6b to clamp liquid swollen gripping section 4a, liquid is swollen Operation system setting is in liquid expansion set 6, by arranging the swollen clamping structure of liquid, utilize liquid expansive force, main shaft handle of a knife 4 can be fixedly clamped, prevent it lower vibration that run up.
Further, main shaft handle of a knife 4 is provided with the restriction protrusion 8 for spacing abrasive grinding wheel 3 near one end of bearing detent mechanism, be provided with the supported flange 9 for being pressed abd fixed on by abrasive grinding wheel 3 in restriction protrusion 8 near one end of rigidity positioning seat 2, the installation being convenient to abrasive grinding wheel 3 is fixed.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.
Claims (4)
1. one kind high rigidity grinding spindle system, comprise main shaft, the power intake of described main shaft is provided with bearing detent mechanism, the clutch end of main shaft is provided with rigidity positioning seat, it is characterized in that: the clutch end of described main shaft overlapping the main shaft handle of a knife be equiped with for installing abrasive grinding wheel, between described main shaft handle of a knife and described rigidity positioning seat, being provided with tapered face fit structure; Described bearing detent mechanism comprises bearing block and is positioned at described bearing block and is sleeved on the liquid expansion set on described main shaft, bearing is provided with between described bearing block and liquid expansion set, described liquid expansion set is provided with swollen section of liquid, described main shaft handle of a knife is provided with the swollen gripping section of liquid stretched in swollen section of described liquid, and described liquid is swollen section and be provided with the swollen clamping structure of liquid between the swollen gripping section of described liquid.
2. high rigidity grinding spindle system according to claim 1, it is characterized in that: described tapered face fit structure comprises the taper termination, location that is arranged on described main shaft handle of a knife and to be arranged on described rigidity positioning seat and locate with described taper the taper detent that termination coordinates, and described taper is located between termination and described rigidity positioning seat and is also provided with location end face.
3. high rigidity grinding spindle system according to claim 2, is characterized in that: described liquid is swollen, and clamping structure comprises is arranged on the thin expansion bushing on swollen section of described liquid and the swollen system of liquid for driving described thin expansion bushing to clamp the swollen gripping section of described liquid.
4. the high rigidity grinding spindle system according to any one of claim 1-3, it is characterized in that: described main shaft handle of a knife is provided with the restriction protrusion for spacing abrasive grinding wheel near one end of described bearing detent mechanism, being provided with the supported flange for being pressed abd fixed on by abrasive grinding wheel in described restriction protrusion near one end of described rigidity positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362321.1U CN204053759U (en) | 2014-07-02 | 2014-07-02 | A kind of high rigidity grinding spindle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362321.1U CN204053759U (en) | 2014-07-02 | 2014-07-02 | A kind of high rigidity grinding spindle system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204053759U true CN204053759U (en) | 2014-12-31 |
Family
ID=52195344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420362321.1U Withdrawn - After Issue CN204053759U (en) | 2014-07-02 | 2014-07-02 | A kind of high rigidity grinding spindle system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204053759U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044066A (en) * | 2014-07-02 | 2014-09-17 | 重庆机床(集团)有限责任公司 | High-rigidity grinding main shaft system |
| CN105817995A (en) * | 2016-06-12 | 2016-08-03 | 成都茵普精密机械有限公司 | Mechanical main shaft mechanism of cylindrical grinder based on shaft parts |
| CN106334999A (en) * | 2016-11-05 | 2017-01-18 | 无锡机床股份有限公司 | Mounting Structure of Workpiece Spindle of aBearing Grinder |
-
2014
- 2014-07-02 CN CN201420362321.1U patent/CN204053759U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044066A (en) * | 2014-07-02 | 2014-09-17 | 重庆机床(集团)有限责任公司 | High-rigidity grinding main shaft system |
| CN105817995A (en) * | 2016-06-12 | 2016-08-03 | 成都茵普精密机械有限公司 | Mechanical main shaft mechanism of cylindrical grinder based on shaft parts |
| CN105817995B (en) * | 2016-06-12 | 2017-10-17 | 成都茵普精密机械有限公司 | A kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder |
| CN106334999A (en) * | 2016-11-05 | 2017-01-18 | 无锡机床股份有限公司 | Mounting Structure of Workpiece Spindle of aBearing Grinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |