CN202278455U - Grinding and clamping device for excircle of rotating shaft without center bore - Google Patents
Grinding and clamping device for excircle of rotating shaft without center bore Download PDFInfo
- Publication number
- CN202278455U CN202278455U CN2011203831009U CN201120383100U CN202278455U CN 202278455 U CN202278455 U CN 202278455U CN 2011203831009 U CN2011203831009 U CN 2011203831009U CN 201120383100 U CN201120383100 U CN 201120383100U CN 202278455 U CN202278455 U CN 202278455U
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- grinding machine
- rotating shaft
- grinding
- centre bore
- fixture block
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model discloses a grinding and clamping device for the excircle of a rotating shaft without a central hole. The grinding and clamping device comprises a grinding machine spindle chuck, a grinding machine spindle end clamp splice, a locking screw, a grinding machine tail stock end clamp splice, a bearing and a grinding machine tail stock pin cacuminous cone; four internal thread through holes are evenly formed on the grinding machine spindle pin clamp splice, and a resettlement groove is formed at one end of the grinding machine spindle end clamp splice; and four internal thread through holes are evenly formed on the grinding machine tail stock end clamp splice, and a resettlement groove is further formed at one end of the grinding machine tail stock end clamp splice. In the utility model, the rotating shaft without the central hole is fixed by using the double fixing way of the grinding machine spindle end clamp splice and the grinding machine tail stock end clamp splice, so that the rotating shaft without the central hole is under a stable clamping and positioning state always, which is favorable to meet good processing requirements.
Description
Technical field
The utility model relates to the rotating shaft clamping device, does not particularly have centre bore rotating shaft cylindricalo grinding clamping device.
Background technology
Existing rotating shaft generally all is to grasp rotating shaft one end through grinding machine spindle end chuck, and its other end is lived through the grinding machine tailstock end pinnacle vertex of a cone, and installation way only is suitable for having the processing of centre bore rotating shaft like this.
Do not have the rotating shaft of centre bore for processed two ends, when carrying out the circumferential surface Cylindrical Grinding Processes,, can only pass through the chuck clamping, carry out grinding with " segmented " grinding process owing to lack the centre bore location.But there is following problem in this technology:
(1) " segmented " grinding is not that " cutter " is shaped, and processed rotating shaft will be carried out secondary dress, folder, and the location is consistent in the time of can not guaranteeing secondary operations, and processing rear axle surface circle is beated and had deviation.
(2) processing of secondary clamping causes processed rotating shaft surface to leave " connecing tool marks ", and the surface accuracy after the processing is low, and roughness is big, influences quality and outward appearance.
If a kind of special process scheme can be arranged, to there not being the rotating shaft of centre bore,, carry out grinding through isolated plant clamping location, just can solve this practical problem effectively.
The utility model content
The technical problem that the utility model will solve provides a kind ofly not to be had centre bore rotating shaft cylindricalo grinding clamping device and solves existing no centre bore rotating shaft clamping circle difficult and processed shaft part the problem big with the actual size deviation of beating.
For achieving the above object, the technical scheme of the utility model is following:
No centre bore rotating shaft cylindricalo grinding clamping device; It comprises grinding machine spindle chuck, grinding machine spindle end fixture block, lock-screw, grinding machine tailstock end fixture block, bearing and grinding machine tailstock end pinnacle awl; Evenly be provided with 4 internal thread through hole on the said grinding machine spindle end fixture block, the one of which end is provided with a resettlement groove; Evenly be provided with 4 internal thread through hole on the said grinding machine tailstock end fixture block, the one of which end also is provided with a resettlement groove.
Said lock-screw will not have in the resettlement groove of resettlement groove and grinding machine tailstock end fixture block that the centre bore rotating shaft is fixed on grinding machine spindle end fixture block through internal thread through hole, make it have better stability man-hour adding.
Preferably, the other end of said grinding machine tailstock end fixture block is provided with a bearing chamber, is mounted with bearing in the said bearing chamber.
Preferably, the size files D4 of said bearing chamber and bearing outside diameter interference fit.
Preferably, said resettlement groove is cylindrical, and it can be set according to the shape of no centre bore rotating shaft.
Preferably, the size files D2 of said grinding machine spindle end fixture block resettlement groove is than the big 0.024-0.055mm of external diameter of processed no centre bore rotating shaft, and the clamping that it helps not having the centre bore rotating shaft has reduced because of the too small problem that is difficult to clamping of clamping size files.
Preferably, the size files D3 of said grinding machine tailstock end fixture block resettlement groove is than the big 0.024-0.055mm of external diameter of processed no centre bore rotating shaft, and the clamping that it helps not having the centre bore rotating shaft has reduced because of the too small problem that is difficult to clamping of clamping size files.
Through technique scheme, the beneficial effect of the utility model is:
Stability when (1) having improved clamping;
(2) dimension deviation is little;
(3) machining accuracy is high;
(4) easy installation and removal.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model grinding machine spindle end fixture block front view;
Fig. 3 is the utility model grinding machine spindle end fixture block cutaway view;
Fig. 4 is the utility model grinding machine tailstock end fixture block front view;
Fig. 5 is the utility model grinding machine tailstock end fixture block cutaway view;
Fig. 6 is the circle of each section in the rotating shaft after the utility model grinding process and the grinding of the existing segmented grinding process measured value correlation curve figure that beats;
Fig. 7 is the dimensional discrepancy measured value correlation curve figure of each section in the rotating shaft after the utility model grinding process and the grinding of existing segmented grinding process;
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Referring to shown in Figure 1, the utility model does not have centre bore rotating shaft cylindricalo grinding clamping device and comprises grinding machine spindle chuck 10, grinding machine spindle end fixture block 20, lock-screw 30, grinding machine tailstock end fixture block 40, bearing 50 and grinding machine tailstock end pinnacle awl 60.
To shown in Figure 5, evenly be provided with 4 internal thread through hole 21 on the utility model grinding machine spindle end fixture block 20 referring to Fig. 2, the one of which end is provided with a resettlement groove 22; Evenly be provided with 4 internal thread through hole 41 on the said grinding machine tailstock end fixture block 40, the one of which end also is provided with a resettlement groove 42.
Lock-screw 30 will not have in the resettlement groove 22 that centre bore rotating shaft one end is fixed on grinding machine spindle end fixture block 20 through internal thread through hole 21.
Lock-screw 30 is fixed in the resettlement groove 42 of grinding machine tailstock end fixture block 40 through the other end that internal thread through hole 41 will not have the centre bore rotating shaft, thus the time originally make the utility model have better stability man-hour adding.
Referring to Fig. 1 and shown in Figure 5, the other end of the utility model grinding machine tailstock end fixture block 40 is provided with a bearing chamber 43, is mounted with bearing 50 in the said bearing chamber 43, the size files D4 of said bearing chamber 43 and bearing 50 external diameter interference fit.
The utility model resettlement groove 22 is cylindrical with resettlement groove 42, and it can be set according to the shape of no centre bore rotating shaft 70.
The size files D2 of the utility model grinding machine spindle end fixture block resettlement groove 22 is than the big 0.024-0.055mm of external diameter of processed no centre bore rotating shaft 70, and the clamping that it helps not having centre bore rotating shaft 70 has reduced because of the too small problem that is difficult to clamping of clamping size files.
The size files D3 of the utility model grinding machine tailstock end fixture block resettlement groove 42 is than the big 0.024-0.055mm of external diameter of processed no centre bore rotating shaft 70, and the clamping that it helps not having centre bore rotating shaft 70 has reduced because of the too small problem that is difficult to clamping of clamping size files.
Referring to Fig. 1, the step that the utility model does not have centre bore rotating shaft cylindricalo grinding clamping technology is following:
(1) end that will not have a centre bore rotating shaft 70 is packed into earlier in the resettlement groove 22 of grinding machine spindle end fixture block 20, and the 1-2mm gap is left in the bottom of the axle head of no centre bore rotating shaft 70 and resettlement groove 22;
(2) will not have centre bore rotating shaft 70 through equally distributed tapped through hole 21 on the grinding machine spindle end fixture block 20 fixing for lock-screw 30, makes it to become one with grinding machine spindle end fixture block 20;
(3) other end that will not have a centre bore rotating shaft 70 is packed in the resettlement groove 42 of grinding machine tailstock end fixture block 40, and the 1-2mm gap is left in the bottom of the axle head of no centre bore rotating shaft 70 and resettlement groove 42;
(4) will not have centre bore rotating shaft 70 through equally distributed tapped through hole 41 on the grinding machine tailstock end fixture block 40 fixing for lock-screw 30, makes it to become one with grinding machine tailstock end fixture block 40;
(5) grinding machine spindle chuck 10 clamps grinding machine spindle end fixture block 20, and grinding machine tailstock end pinnacle awl 60 withstands the bearing 50 of grinding machine tailstock end fixture block bearing chamber.
(6) clamping is accomplished.
The utility model grinding machine spindle end fixture block 20 and grinding machine tailstock end fixture block 40 material selections 45 steel, it does modifier treatment to strengthen comprehensive mechanical intensity.
After the utility model grinding process and the grinding of existing segmented grinding process in the rotating shaft circle of each section beat measured value contrast as follows:
Its circle beat measured value to correlation curve figure referring to shown in Figure 6;
Unit: μ m
The dimensional discrepancy measured value of each section contrast is as follows in the rotating shaft after the utility model grinding process and the grinding of existing segmented grinding process:
Unit: mm/100
Its dimensional discrepancy measured value correlation curve figure is referring to shown in Figure 6;
Referring to Fig. 6 and shown in Figure 7:
No matter justify the still dimensional discrepancy of beating, two ends clamping grinding process is littler than the measured value of segmented grinding process, and in the designing requirement scope; The measured value fluctuating range of two ends clamping technology is little simultaneously, helps forming the high appearance of precision.
Through isolated plant, will there be centre bore rotating shaft clamping location, carry out Cylindrical Grinding Processes; In process, processed rotating shaft is in stable clamping positioning states all the time, and integral rigidity is good, helps obtaining good processing request.
The cylindrical that comes out of grinding adheres to specification like this, and apparent mass is good.
Through general assembly, processed rotating shaft meets actual instructions for use.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. do not have centre bore rotating shaft cylindricalo grinding clamping device, it comprises grinding machine spindle chuck, grinding machine spindle end fixture block, lock-screw, grinding machine tailstock end fixture block, bearing and grinding machine tailstock end pinnacle awl; It is characterized in that evenly be provided with 4 internal thread through hole on the said grinding machine spindle end fixture block, the one of which end is provided with a resettlement groove; Evenly be provided with 4 internal thread through hole on the said grinding machine tailstock end fixture block, the one of which end also is provided with a resettlement groove.
2. no centre bore rotating shaft cylindricalo grinding clamping device according to claim 1, it is characterized in that: the other end of said grinding machine tailstock end fixture block is provided with a bearing chamber, is mounted with bearing in the said bearing chamber.
3. no centre bore rotating shaft cylindricalo grinding clamping device according to claim 2 is characterized in that: the size files D4 of said bearing chamber and bearing outside diameter interference fit.
4. no centre bore rotating shaft cylindricalo grinding clamping device according to claim 1, it is characterized in that: said resettlement groove is cylindrical.
5. no centre bore rotating shaft cylindricalo grinding clamping device according to claim 1, it is characterized in that: the size files D2 of said grinding machine spindle end fixture block resettlement groove is than the big 0.024-0.055mm of external diameter of processed no centre bore rotating shaft.
6. no centre bore rotating shaft cylindricalo grinding clamping device according to claim 1 is characterized in that: the size files D3 of said grinding machine tailstock end fixture block resettlement groove is than the big 0.024-0.055mm of external diameter of processed no centre bore rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203831009U CN202278455U (en) | 2011-10-10 | 2011-10-10 | Grinding and clamping device for excircle of rotating shaft without center bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203831009U CN202278455U (en) | 2011-10-10 | 2011-10-10 | Grinding and clamping device for excircle of rotating shaft without center bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202278455U true CN202278455U (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203831009U Expired - Fee Related CN202278455U (en) | 2011-10-10 | 2011-10-10 | Grinding and clamping device for excircle of rotating shaft without center bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202278455U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615517A (en) * | 2012-02-15 | 2012-08-01 | 上海海事大学 | Lathe tailstock end fixture block specially used in knurling process for shaft section without center hole |
| CN105856023A (en) * | 2016-05-30 | 2016-08-17 | 苏州速腾电子科技有限公司 | Water spraying type glass column side surface slotting device |
| CN105856022A (en) * | 2016-05-30 | 2016-08-17 | 苏州速腾电子科技有限公司 | Shock absorption type glass column side surface slotting device |
| CN108844798A (en) * | 2018-06-29 | 2018-11-20 | 河南理工大学 | A kind of dumbbell shape rock sample preparation facilities and processing method |
| CN109079594A (en) * | 2018-10-09 | 2018-12-25 | 葛瑞 | A kind of curved surface grinding device |
| CN110017928A (en) * | 2019-04-10 | 2019-07-16 | 广州市耐诺电器有限公司 | A kind of stepper motor test motor torque automation fixture |
-
2011
- 2011-10-10 CN CN2011203831009U patent/CN202278455U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615517A (en) * | 2012-02-15 | 2012-08-01 | 上海海事大学 | Lathe tailstock end fixture block specially used in knurling process for shaft section without center hole |
| CN105856023A (en) * | 2016-05-30 | 2016-08-17 | 苏州速腾电子科技有限公司 | Water spraying type glass column side surface slotting device |
| CN105856022A (en) * | 2016-05-30 | 2016-08-17 | 苏州速腾电子科技有限公司 | Shock absorption type glass column side surface slotting device |
| CN105856023B (en) * | 2016-05-30 | 2018-07-31 | 苏州速腾电子科技有限公司 | A kind of water-spraying type glass column groove at side surface device |
| CN105856022B (en) * | 2016-05-30 | 2018-07-31 | 苏州速腾电子科技有限公司 | A kind of shock-absorbing type glass column groove at side surface device |
| CN108844798A (en) * | 2018-06-29 | 2018-11-20 | 河南理工大学 | A kind of dumbbell shape rock sample preparation facilities and processing method |
| CN109079594A (en) * | 2018-10-09 | 2018-12-25 | 葛瑞 | A kind of curved surface grinding device |
| CN110017928A (en) * | 2019-04-10 | 2019-07-16 | 广州市耐诺电器有限公司 | A kind of stepper motor test motor torque automation fixture |
| CN110017928B (en) * | 2019-04-10 | 2021-04-02 | 广州市耐诺电器有限公司 | Automatic clamp for testing motor torque of stepping motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20121010 |