CN201316953Y - Improved main shaft structure of grinding machine - Google Patents
Improved main shaft structure of grinding machine Download PDFInfo
- Publication number
- CN201316953Y CN201316953Y CNU2008201421417U CN200820142141U CN201316953Y CN 201316953 Y CN201316953 Y CN 201316953Y CN U2008201421417 U CNU2008201421417 U CN U2008201421417U CN 200820142141 U CN200820142141 U CN 200820142141U CN 201316953 Y CN201316953 Y CN 201316953Y
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- CN
- China
- Prior art keywords
- main shaft
- ring portion
- fixture
- tumbler
- axle sleeve
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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.)
- Expired - Fee Related
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Abstract
An improved main shaft structure of a grinding machine comprises a main shaft driven by a direct-drive motor; a shaft sleeve is sleeved on the main shaft, wherein both ends of the shaft sleeve are respectively provided with an accommodating room for bearing mounting, and a dust prevention element positioning bearing is respectively arranged in each accommodating room; the dust prevention element at one end of the shaft sleeve is provided with a fixed element and a rotating element; and a plurality of ring parts and groove parts are arranged oppositely between the fixed element and the rotating element. The structure can prevent contaminations from entering the accommodating rooms of the shaft sleeve easily, so as to prevent the bearings from being damaged.
Description
Technical field
The utility model relates to a kind of grinder main shaft, relates in particular to a kind of improved grinder main axle structure that is equiped with dust guard.
Background technology
As Fig. 4, shown in Figure 5, be existing grinder main shaft, as seen from the figure, its main shaft 90 has a direct type motor 91 in an end, the other end then has a driven member 92, and is sheathed on the main shaft 90 with an axle sleeve 93, and this axle sleeve 93 respectively has a room 931 in two ends, be respectively equipped with bearing 94 and dust guard 95 in room 931, each dust guard 95 has a fixture 951 and tumbler 952.
By the dust guard 95 of being close to direct type motor 91 1 ends as seen, its fixture 951 has a ring portion and a slot part, and tumbler 952 also has a ring portion and a slot part with fixture 951 corresponding settings, and structure produces a turning point and avoids pollutant directly to enter and cause bearing 94 to damage in the room 931 of axle sleeve 93 whereby; And after pollutant entered fixture 951 and tumbler 952, the defence line that only must break through a turnover can enter in the room 931 of axle sleeve 93, so dustproof effect is limited.
In addition, in the dust guard 96 of being close to driven member 92 1 ends as seen, its fixture 961 is that direct spiral shell is located in this axle sleeve 93, and form hierarchic structure 961a with this axle sleeve 93, and being spiral shells, tumbler 962 is located at main shaft 90, and has ladder slot part 962a to should fixture 951 and the step structure of 93 formation of axle sleeve, though itself and above-mentioned dust guard 95 have long stroke, and be not dustproof in the mode of turnover at this, therefore pollutant enters in the room of axle sleeve 93 with the guiding in gap easily, especially liquid (for example cutting fluid) is brought iron filings or dust among the room 931 of axle sleeve 93 into when flowing into easily and easily, and the damage risk of bearing 94 is increased.
Therefore, how to solve the dustproof problem of above-mentioned existing grinder main shaft and be the emphasis place that the utility model institute desire solves.
The utility model content
Technical problem underlying to be solved in the utility model is, overcomes the above-mentioned defective that prior art exists, and a kind of improved grinder main axle structure is provided, and pollutant can't be entered in the room of axle sleeve easily, and is impaired to prevent bearing.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of improved grinder main axle structure, comprise: a main shaft, main shaft one end has one and drives the direct type motor that this main shaft rotates, the other end of main shaft has the driven member of main shaft interlock therewith, the axle sleeve that this main shaft sets firmly a hollow and wears for this main shaft between the direct type motor at two ends and this driven member, this axle sleeve has a room respectively in two ends, in each room, be provided with at least one bearing that is arranged on the main shaft, and be located at the dust guard location bearing at these axle sleeve two ends in each room with one respectively, it is characterized in that: respectively this dust guard comprises that a fixture and that is fixedly arranged on this axle sleeve is fixedly arranged on this main shaft and the tumbler that is provided with of this fixture relatively, dust guard at least one end of this axle sleeve, its fixture have one with the fixing ring portion of axle sleeve, and be convexly equipped with a stop section on the face of the contiguous axle sleeve of ring portion and in room, supply location bearing, have one day ring portion in the stop section and relatively stretch the internal ring portion of establishing on the face in this axle sleeve outside, bore a hole and in internal ring portion, have one first, and be convexly equipped with an outer portion on the face of ring portion away from the fixed hub end, form one first slot part between its internal ring portion and outer portion; Has one second perforation in this tumbler, this tumbler is convexly equipped with first ring portion for first perforation of being inserted in this fixture in the second perforation ring side, and tumbler has second ring portion that is socketed on the outer portion outside of this fixture in outer shroud, tumbler is convexly equipped with the 3rd ring portion for first slot part that is sheathed on this fixture between first ring portion and second ring portion, and tumbler have one for sheathed second slot part and of the internal ring portion of this fixture for the 3rd sheathed slot part of this outer portion, and each ring portion between fixture and tumbler and slot part gap with a suitable distance.
Aforesaid improved grinder main axle structure, wherein the outer portion of fixture in apical margin have one in first slot part of fixture the secondary retention pollutant enter ring protuberance in the axle sleeve, and ring footpath of this ring protuberance is greater than this outer portion.
Aforesaid improved grinder main axle structure, wherein the dust guard of at least one end is to be located at axle sleeve in the room of described driven member one end, in the room of Yu Tongduan, is provided with a ramp type and supplies the radially needle bearing of thrust main shaft.
Aforesaid improved grinder main axle structure, wherein the dust guard of at least one end is to be located at axle sleeve in the room of described driven member one end, in the room of Yu Tongduan, is provided with a ramp type and supplies the radially roller bearing of thrust main shaft.
Aforesaid improved grinder main axle structure, wherein tumbler is provided with the internal thread part that is locked on described main shaft in perforation place, and has on away from the face that is convexly equipped with each ring portion direction to be provided with for the locking instrument in two opposite sides in tumbler and revolve the sleeve joint hole of this tumbler of lock on main shaft.
The beneficial effects of the utility model are, pollutant can't be entered in the room of axle sleeve easily, and are impaired to prevent bearing.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a grinder main axle structure schematic diagram of the present utility model
Fig. 2 is a dust guard of the present utility model position structural representation
Fig. 3 is the enlarged diagram at position shown in Figure 2
Fig. 4 is the structural representation of existing grinder main shaft
Fig. 5 is the dust guard position structural representation of existing grinder main shaft
The specific embodiment
Seeing also Fig. 1 to Fig. 3, is the selected example structure of the utility model shown in the figure.
Present embodiment provides a kind of improved grinder main axle structure, and it comprises:
One main shaft 1 has a direct type motor 11 in main shaft 1 one ends, and this direct type motor 11 is to rotate for driving this main shaft 1.The other end in main shaft 1 has a driven member 12 (for example tool heads of socket cutter), and this driven member 12 is and this main shaft 1 interlock.This main shaft 1 sets firmly an axle sleeve 13 between the direct type motor 11 at two ends and this driven member 12, this axle sleeve 13 is hollow and supplies this main shaft 1 to wear, and has a room 131 respectively in two ends, in each room 131, be provided with at least one bearing 2, bearing 2 herein is to be arranged on the main shaft 1, and is located at dust guard 3 location bearings 2 at these axle sleeve 13 two ends in each room 131 with one respectively.
Of the present utility model being characterised in that, each dust guard 3 comprises a fixture 31, it is to be fixedly arranged on this axle sleeve 13, one tumbler 32, it is to be fixedly arranged on this main shaft 1 and these fixture 31 settings relatively, dust guard 3 (being to be located at this axle sleeve 13 contiguous these driven member 12 1 ends in present embodiment) in these axle sleeve 13 at least one ends, and the bearing 2 with end in present embodiment is that a ramp type supplies the radially needle bearing of thrust main shaft, the comparatively general ball bearing of its loading area is big (except that the needle bearing of present embodiment, also can be roller bearing).It is fixing with axle sleeve 13 that this fixture 31 has a ring portion 311, and be convexly equipped with a stop section 312 on the face of ring portion 311 contiguous axle sleeves 13, supply location bearing 2 in room 131, in stop section 312, has an internal ring portion 313, this internal ring portion 313 is to stretch to establish on the face in ring portion 311 relative these axle sleeve 13 outsides, and in internal ring portion 313, have one first perforation 314, and being convexly equipped with an outer portion 315 on the face of ring portion 311 away from fixed hub 13 ends, 315 of its internal ring portion 313 and outer portion form one first slot part 316; Has one second perforation 321 in this tumbler 32, this tumbler 32 is convexly equipped with one first ring portion 322 in second perforation, 321 ring sides, this first ring portion 322 is for first perforation 314 of being inserted in this fixture 31, and tumbler 32 has one second ring portion 323 in outer shroud, this second ring portion 323 is for outer portion 315 outsides that are socketed on this fixture 31, tumbler 32 is convexly equipped with one the 3rd ring portion 324 in first ring portion 322 and 323 of second ring portions, this the 3rd ring portion 324 is for first slot part 316 that is sheathed on this fixture 31, and that tumbler 32 has one second slot part 325 is sheathed for the internal ring portion 313 of these fixtures 31, and one the 3rd slot part 326 sheathed for these outer portion 315, and each ring portion and the slot part of 32 of fixture 31 and tumblers are the gaps 4 with a suitable distance.And this tumbler 32 is provided with the internal thread part 327 that is locked on this main shaft in second perforation, 321 places, and differs from tumbler 32 to have on the face that is convexly equipped with each ring portion direction and be provided with in two opposite sides and revolve the sleeve joint hole 328 of this tumbler of lock on main shaft for the locking instrument.
In the present embodiment, the outer portion 315 of this fixture 31 has the ring protuberance 317 of a footpath greater than outer portion in apical margin, enters in the axle sleeve 13 for auxiliary block pollutant in first slot part 316 of fixture 31.
See also Fig. 3, axle sleeve 13 is adjacent to the dust guard 3 of driven member 32 1 ends, the counter structure design that ring portion that its fixture 31 and tumbler are 32 and slot part have several turnovers.As seen from the figure, when dust, iron filings or the liquid that speckles with aforementioned contaminants enter dust guard 3 accidentally, it must enter via the gap of 315 of the outer portion of second ring portion 323 of this tumbler 32 and this fixture 31, yet ring protuberance 317 at outer portion 315 apical margins of fixture 31, its in first defence line except that having the effect that block contaminant enters, when this ring protuberance of airflow passes, make the outwards effect of guiding of air-flow with producing one, and make pollutant be difficult for entering in addition; When pollutant is broken through the first line of defence and entered in the dust guard 3, it must be earlier through behind the 3rd slot part 326 of this tumbler 32, gap along 316 of first slot parts of the 3rd ring portion 324 of this tumbler 32 and this fixture 31 enters again, this is defence line, second road, if pollutant is broken through this defence line, two roads and is moved forward fashionable again, then must be again behind the gap through 313 of the internal ring portions of second slot part 325 of this tumbler 32 and fixture 31, first ring portion 322 by this tumbler 32 begins to enter among the axle sleeve 13 again.
Therefore, compared to existing grinder main shaft dustproof construction, ring protuberance 317 in outer portion 315 apical margins of this fixture 31, it then has good block contaminant effect in first defence line, moreover and dust guard of the present utility model has several turning points, after pollutant is entered must be through each turning point circuitous after, beginning can enter among the axle sleeve 13, has preferable dustproof effect with respect to existing grinder main shaft whereby.
Claims (4)
1. improved grinder main axle structure, comprise: a main shaft, main shaft one end has one and drives the direct type motor that this main shaft rotates, the other end of main shaft has the driven member of main shaft interlock therewith, the axle sleeve that this main shaft sets firmly a hollow and wears for this main shaft between the direct type motor at two ends and this driven member, this axle sleeve has a room respectively in two ends, in each room, be provided with at least one bearing that is arranged on the main shaft, and be located at the dust guard location bearing at these axle sleeve two ends in each room with one respectively, it is characterized in that: respectively this dust guard comprises that a fixture and that is fixedly arranged on this axle sleeve is fixedly arranged on this main shaft and the tumbler that is provided with of this fixture relatively, dust guard at least one end of this axle sleeve, its fixture have one with the fixing ring portion of axle sleeve, and be convexly equipped with a stop section on the face of the contiguous axle sleeve of ring portion and in room, supply location bearing, have one day ring portion in the stop section and relatively stretch the internal ring portion of establishing on the face in this axle sleeve outside, bore a hole and in internal ring portion, have one first, and be convexly equipped with an outer portion on the face of ring portion away from the fixed hub end, form one first slot part between its internal ring portion and outer portion; Has one second perforation in this tumbler, this tumbler is convexly equipped with first ring portion for first perforation of being inserted in this fixture in the second perforation ring side, and tumbler has second ring portion that is socketed on the outer portion outside of this fixture in outer shroud, tumbler is convexly equipped with the 3rd ring portion for first slot part that is sheathed on this fixture between first ring portion and second ring portion, and tumbler have one for sheathed second slot part and of the internal ring portion of this fixture for the 3rd sheathed slot part of this outer portion, and each ring portion between fixture and tumbler and slot part gap with a suitable distance.
2. improved grinder main axle structure according to claim 1, it is characterized in that: the outer portion of described fixture in apical margin have one in first slot part of fixture the secondary retention pollutant enter ring protuberance in the axle sleeve, and ring footpath of this ring protuberance is greater than this outer portion.
3. improved grinder main axle structure according to claim 1, it is characterized in that: the dust guard of described at least one end is to be located at axle sleeve in the room of described driven member one end, in the room of Yu Tongduan, be provided with a ramp type and supply the radially needle bearing of thrust main shaft.
4. improved grinder main axle structure according to claim 1, it is characterized in that: described tumbler is provided with the internal thread part that is locked on described main shaft in perforation place, and has on away from the face that is convexly equipped with each ring portion direction to be provided with for the locking instrument in two opposite sides in tumbler and revolve the sleeve joint hole of this tumbler of lock on main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201421417U CN201316953Y (en) | 2008-09-24 | 2008-09-24 | Improved main shaft structure of grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201421417U CN201316953Y (en) | 2008-09-24 | 2008-09-24 | Improved main shaft structure of grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201316953Y true CN201316953Y (en) | 2009-09-30 |
Family
ID=41195723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201421417U Expired - Fee Related CN201316953Y (en) | 2008-09-24 | 2008-09-24 | Improved main shaft structure of grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201316953Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267045A (en) * | 2011-02-25 | 2011-12-07 | 飞浦实业股份有限公司 | Method for processing dustproof device of tool machine main shaft and tool machine main shaft having dustproof device |
| CN102430977A (en) * | 2011-11-10 | 2012-05-02 | 大连永明数控机床有限公司 | Grinding wheel spindle |
| CN102785164A (en) * | 2012-08-09 | 2012-11-21 | 绍兴市家度弹簧机械有限公司 | Main shaft transmission system of vertical-type grinding machine |
| CN102785171A (en) * | 2012-08-09 | 2012-11-21 | 绍兴市家度弹簧机械有限公司 | Automatic bearing adjusting mechanism |
-
2008
- 2008-09-24 CN CNU2008201421417U patent/CN201316953Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267045A (en) * | 2011-02-25 | 2011-12-07 | 飞浦实业股份有限公司 | Method for processing dustproof device of tool machine main shaft and tool machine main shaft having dustproof device |
| CN102430977A (en) * | 2011-11-10 | 2012-05-02 | 大连永明数控机床有限公司 | Grinding wheel spindle |
| CN102785164A (en) * | 2012-08-09 | 2012-11-21 | 绍兴市家度弹簧机械有限公司 | Main shaft transmission system of vertical-type grinding machine |
| CN102785171A (en) * | 2012-08-09 | 2012-11-21 | 绍兴市家度弹簧机械有限公司 | Automatic bearing adjusting mechanism |
| CN102785171B (en) * | 2012-08-09 | 2015-03-11 | 俞家林 | Automatic bearing adjusting mechanism |
| CN102785164B (en) * | 2012-08-09 | 2015-07-01 | 俞家林 | Main shaft transmission system of vertical-type grinding machine |
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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: 20090930 Termination date: 20120924 |