CN203035962U - Front end cover structure for high-speed electric main shaft - Google Patents
Front end cover structure for high-speed electric main shaft Download PDFInfo
- Publication number
- CN203035962U CN203035962U CN 201220669856 CN201220669856U CN203035962U CN 203035962 U CN203035962 U CN 203035962U CN 201220669856 CN201220669856 CN 201220669856 CN 201220669856 U CN201220669856 U CN 201220669856U CN 203035962 U CN203035962 U CN 203035962U
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- front cover
- protective hat
- main shaft
- electric main
- annular groove
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- Expired - Lifetime
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Abstract
The utility model provides a front end cover structure for a high-speed electric main shaft, relating to a PCB machining apparatus, and particularly provides a front end cover structure for a high-speed electric main shaft of a machine tool. The front end cover includes a protective cap, the protective cap includes a top surface and a bottom surface, the protective cap is in a circular structure, the inner side surface of the protective cap is provided with a circular groove, the circular groove is communicated with one end of a radial vent, the other end of the radial vent is sealed by a plug rod, the radial vent is communicated with an axial air inlet, the protective cap further includes an umbrella-shaped cambered surface arranged in the center of the protective cap, the protective cap is cooperated with a protective cover, the bottom of the protective cap is provided with a front end cover, an insert is sleeved in the front end cover, and the insert is sleeved outside the protective cover. The front end cover structure provided is simple in structure, good in sealing performance, and is capable of proofing chips, water and dust, as well as improves the service lifetime of the electric main shaft.
Description
Technical field
Relate to the PCB machining equipment, specifically a kind of front cover structure of using for the mechanical processing machine high-speed electric main shaft.
Background technique
The electricity main shaft all needs sealing configuration, to guarantee that water is not invaded electric main shaft with other impurity in the course of the work, cause electric main shaft poor performance, but in existing technology, there is poor sealing performance in electricity main shaft safeguard structure, structure is comparatively complicated, anti-bits, waterproof, dustproof effect is undesirable, its reason is the mutual chimeric space that is used for keeping apart electric main shaft internal structure and work that protecting cover and protective hat are all adopted in general sealing, so often run into the situation that sealing difference needs repairing aborning, defectives such as production inconvenience and maintenance cost increase, thus influenced usability and the life-span of electric main shaft, increase more sealing configuration the performance of electric main shaft is weakened, also strengthen cost simultaneously.
The model utility content
This novel technical problem that will solve provides a kind of simple in structure, and sealability is better, can prevent bits, and waterproof is dustproof, improves the front cover structure in the life-span of electric main shaft.
Be achieved through the following technical solutions above-mentioned purpose:
The front cover structure that a kind of high-speed electric main shaft is used, comprise protective hat, described protective hat comprises end face and bottom surface, described protective hat is a loop configuration, the inner side surface of described protective hat arranges an annular groove, described annular groove with one radially an end of vent be communicated with, the other end of described radially vent is by a stifled rod sealing, described radially vent also is communicated with an axial admission hole; Described protective hat comprises that also one is arranged at the umbellate form cambered surface at described protective hat center, described protective hat cooperates with a protecting cover, the bottom surface of described protective hat arranges a front cover, a sheathed mold insert in the described front cover, and described mold insert is placed in outside the described protecting cover.
The bottom center place of described protective hat arranges the umbellate form cambered surface of indent, edge in the umbellate form cambered surface arranges mountion plate, described mountion plate is between the bottom surface of described umbellate form cambered surface and protective hat, described mountion plate is the concave surface of the bottom surface of described protective hat, and described umbellate form cambered surface cooperates with described protecting cover.Described annular groove is the groove around described one week of protective hat inner side surface.Described mountion plate arranges an inlet hole, and described inlet hole is communicated with described axial admission hole, and described inlet hole arranges seal ring.The uniform air vent of described mold insert outer side surface, described mold insert is placed in the described front cover, described front cover arranges an annular groove around its one week of inner side surface, described annular groove is communicated with described air vent, described air vent cooperates the formation hemi-closure space with the annular groove of described front cover, its opening is that air vent is towards an end of described protective hat end face.Described front cover also arranges ventilation device, and described ventilation device is communicated with the annular groove of front cover, also is communicated with described inlet hole.Described protecting cover forms a bending part towards the bottom surface bending of described protective hat, and the fitting recess that the end face of described front cover arranges a spill cooperates with described bending part.
The beneficial effects of the utility model are: the air pressure that electric main shaft feeds enters the back shunting from ventilation device; a part flows into inlet hole; another part enters the annular groove of front cover; enter the annular groove that flows into protective hat behind the inlet hole; and in annular groove, circulate; owing to have certain clearance between electric main shaft and the protective hat; described air pressure forms the air pressure face in annular groove; described gas outwards flows out from the end face of protective hat; prevent that outside dirt bits or water from entering electric main shaft; gas in annular groove enters the umbellate form cambered surface in addition; between the umbellate form cambered surface, also form the air pressure protective surface; even if the dirt bits enter the protective hat end face; place in the umbellate form cambered surface also can form second protection; secondly; described protecting cover cooperates with described front cover; because its gas of described ventilation device is by forming gas column at air vent behind the hemi-closure space; discharge gas towards described protecting cover; the bending part that the edge of protecting cover arranges; this bending part is arranged in the spill fitting recess of described front cover; the gas column of discharging forms another one air protection face in the path exhaust of bending part place guiding along bending in the spill fitting recess.The difficulty that enters of dirt bits and water has more been strengthened owing to be not beeline channel in its bending part, and protectiveness is better.Adopt the utility model under the situation that does not increase unnecessary parts, improve original protective hat structure its safeguard function is improved.
Description of drawings
Fig. 1 is the utility model sectional structure chart;
Fig. 2 is the side schematic view of this novel mold insert;
Fig. 3 is the front schematic view of this novel mold insert.
Among the figure 1, protective hat; 2, umbellate form cambered surface; 3, annular groove; 4, vent radially; 5, axial admission hole; 6, protecting cover; 7, inlet hole; 8, mountion plate; 9, end face; 10, bottom surface; 11, stifled rod; 12, front cover; 13, fitting recess; 14, bending part; 15, mold insert; 16, air vent; 17, annular groove.
Embodiment
Below in conjunction with accompanying drawing to this novel further specifying:
As shown in Figure 1-Figure 3, the front cover structure that a kind of high-speed electric main shaft is used, comprise protective hat 1, described protective hat 1 comprises end face 9 and bottom surface 10, described protective hat 1 is a loop configuration, and the inner side surface of described protective hat 1 arranges an annular groove 3, described annular groove 3 with one radially an end of vent 4 be communicated with, the other end of described radially vent 4 is by stifled rod 11 sealings, and described radially vent 4 also is communicated with an axial admission hole 5; Described protective hat 1 comprises that also one is arranged at the umbellate form cambered surface 2 at described protective hat 1 center, described protective hat 1 cooperates with a protecting cover 6, the bottom surface 10 of described protective hat 1 arranges a front cover 12, a sheathed mold insert 15 in the described front cover 12, and described mold insert 15 is placed in outside the described protecting cover 6.
10 centers, bottom surface of described protective hat 1 arrange the umbellate form cambered surface 2 of indent, at the edge of umbellate form cambered surface 2 mountion plate 8 is set, described mountion plate 8 is between the bottom surface 10 of described umbellate form cambered surface 2 and protective hat 1, described mountion plate 8 is the concave surface of the bottom surface 10 of described protective hat 1, and described umbellate form cambered surface 2 cooperates with described protecting cover 6.Described annular groove 3 is the groove around described protective hat one week of 1 inner side surface.Described mountion plate 8 arranges an inlet hole 7, and described inlet hole 7 is communicated with described axial admission hole 5, and described inlet hole 7 arranges seal ring.The uniform air vent 16 of described mold insert 15 outer side surfaces, described mold insert 15 is placed in the described front cover 12, described front cover 12 arranges an annular groove 17 around its one week of inner side surface, described annular groove 17 is communicated with described air vent 16, described air vent 16 cooperates the formation hemi-closure space with the annular groove 17 of described front cover 12, its opening is that air vent 16 is towards an end of described protective hat 1 end face 9, described air vent as shown in Figure 1, its section is the air vent of L type, the annular groove 17 that cooperates front cover 12, its top constitutes a cylinder type air drain, and the bottom is divided into annular groove 17 and is communicated with, in the annular groove 17 circulated gases the time, because its bottom lock of groove of L type, just guide it to the upper reaches, in the process that makes progress because top constitutes a cylinder type air drain, and gas flows out with the gas column form.Described front cover 12 also arranges ventilation device 18, and described ventilation device 18 is communicated with the annular groove 17 of front cover 12, also is communicated with described inlet hole 7.Described protecting cover 6 forms a bending part 14 towards bottom surface 10 bendings of described protective hat 1, and the fitting recess 13 that the end face of described front cover 12 arranges a spill cooperates with described bending part 14.
The air pressure that the electricity main shaft feeds enters the back shunting from ventilation device 18; a part flows into inlet hole 7; another part enters the annular groove 17 of front cover 12; enter the annular groove 3 that inlet hole 7 backs flow into protective hat 1; and in 3 li circulations of annular groove; owing to have certain clearance between electric main shaft and the protective hat 1; described air pressure forms the air pressure face in annular groove 3; described gas outwards flows out from the end face 9 of protective hat 1; prevent that outside dirt bits or water from entering electric main shaft; gas in annular groove 3 enters umbellate form cambered surface 2 in addition; between umbellate form cambered surface 2, also form the air pressure protective surface; even if the dirt bits enter protective hat 1 end face 9; place in umbellate form cambered surface 2 also can form second protection; secondly; described protecting cover 6 cooperates with described front cover 12; because described ventilation device 18 its gases are by forming gas column at air vent 16 behind the hemi-closure space; discharge gas towards described protecting cover 6; the bending part 14 that the edge of protecting cover 6 arranges; this bending part 14 is arranged in the spill fitting recess 13 of described front cover 12; the gas column of discharging forms another one air protection face in the path exhaust of bending part 14 places guiding along bending in spill fitting recess 13.14 of its bending parts have more strengthened the difficulty that enters of dirt bits and water owing to be not beeline channel, and protectiveness is better.Adopt the utility model under the situation that does not increase unnecessary parts, improve original safeguard structure its safeguard function is improved.
The above is not that this novel technical scope is imposed any restrictions, and all any modification, equivalent variations and modifications of above embodiment being done according to the utility model technical spirit all still belong in the scope of this novel technological scheme.
Claims (7)
1. front cover structure that high-speed electric main shaft is used, it is characterized in that, comprise protective hat (1), described protective hat (1) comprises end face (9) and bottom surface (10), described protective hat (1) is a loop configuration, the inner side surface of described protective hat (1) arranges an annular groove (3), described annular groove (3) with one radially an end of vent (4) be communicated with, the other end of described radially vent (4) is by stifled rod (a 11) sealing, and described radially vent (4) also is communicated with an axial admission hole (5); Described protective hat (1) comprises that also one is arranged at the umbellate form cambered surface (2) at described protective hat (1) center, described protective hat (1) cooperates with a protecting cover (6), the bottom surface (10) of described protective hat (1) arranges a front cover (12), a sheathed mold insert (15) in the described front cover (12), and described mold insert (15) is placed in outside the described protecting cover (6).
2. the front cover structure used of a kind of high-speed electric main shaft according to claim 1, it is characterized in that, the center, bottom surface (10) of described protective hat (1) arranges the umbellate form cambered surface (2) of indent, at the edge of umbellate form cambered surface (2) mountion plate (8) is set, described mountion plate (8) is positioned between the bottom surface (10) of described umbellate form cambered surface (2) and protective hat (1), described mountion plate (8) is the concave surface of the bottom surface (10) of described protective hat (1), and described umbellate form cambered surface (2) cooperates with described protecting cover (6).
3. the front cover structure used of a kind of high-speed electric main shaft according to claim 1 is characterized in that described annular groove (3) is around described protective hat (1) groove in one week of inner side surface.
4. the front cover structure used of a kind of high-speed electric main shaft according to claim 2, it is characterized in that, described mountion plate (8) arranges an inlet hole (7), and described inlet hole (7) is communicated with described axial admission hole (5), and described inlet hole (7) arranges seal ring.
5. the front cover structure used of a kind of high-speed electric main shaft according to claim 1, it is characterized in that, the uniform air vent of described mold insert (15) outer side surface (16), described mold insert (15) is placed in the described front cover (12), described front cover (12) arranges an annular groove (17) around its one week of inner side surface, described annular groove (17) is communicated with described air vent (16), described air vent (16) cooperates the formation hemi-closure space with the annular groove (17) of described front cover (12), its opening is that air vent (16) is towards an end of described protective hat (1) end face (9).
6. the front cover structure used of a kind of high-speed electric main shaft according to claim 1, it is characterized in that, described front cover (12) also arranges ventilation device, and described ventilation device is communicated with the annular groove (17) of front cover (12), also is communicated with described inlet hole (7).
7. the front cover structure used of a kind of high-speed electric main shaft according to claim 1, it is characterized in that, described protecting cover (6) is towards bottom surface (10) bending of described protective hat (1), form a bending part (14), and the fitting recess (13) that the end face of described front cover (12) arranges a spill cooperates with described bending part (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669856 CN203035962U (en) | 2012-12-07 | 2012-12-07 | Front end cover structure for high-speed electric main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669856 CN203035962U (en) | 2012-12-07 | 2012-12-07 | Front end cover structure for high-speed electric main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035962U true CN203035962U (en) | 2013-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220669856 Expired - Lifetime CN203035962U (en) | 2012-12-07 | 2012-12-07 | Front end cover structure for high-speed electric main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035962U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672268A (en) * | 2013-11-26 | 2014-03-26 | 武汉船用机械有限责任公司 | Shaft seal pipeline connecting subassembly |
| CN104368828A (en) * | 2013-08-14 | 2015-02-25 | 东莞市科隆电机有限公司 | High-speed ball electric spindle |
| CN106984998A (en) * | 2017-05-31 | 2017-07-28 | 东莞市显隆电机有限公司 | A kind of dust guard of high-speed electric main shaft |
| CN111112653A (en) * | 2019-12-23 | 2020-05-08 | 广州市昊志机电股份有限公司 | Dustproof electric spindle structure |
-
2012
- 2012-12-07 CN CN 201220669856 patent/CN203035962U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368828A (en) * | 2013-08-14 | 2015-02-25 | 东莞市科隆电机有限公司 | High-speed ball electric spindle |
| CN104368828B (en) * | 2013-08-14 | 2017-12-08 | 东莞市显隆电机有限公司 | High-speed ball electric spindle |
| CN103672268A (en) * | 2013-11-26 | 2014-03-26 | 武汉船用机械有限责任公司 | Shaft seal pipeline connecting subassembly |
| CN103672268B (en) * | 2013-11-26 | 2016-08-17 | 武汉船用机械有限责任公司 | A kind of shaft seal pipeline connects assembly |
| CN106984998A (en) * | 2017-05-31 | 2017-07-28 | 东莞市显隆电机有限公司 | A kind of dust guard of high-speed electric main shaft |
| CN111112653A (en) * | 2019-12-23 | 2020-05-08 | 广州市昊志机电股份有限公司 | Dustproof electric spindle structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171011 Address after: The third floor of Building No. 182 G Kwai 523000 Guangdong province Dongguan City Qing Zhen Qing Huang Village Industrial Zone Patentee after: DONGGUAN XIANLONG MOTOR CO.,LTD. Address before: 3, 523000 floor, A11 building, Nanshan Industrial Town, Yan Tian Village, Fenggang Town, Dongguan, Guangdong Patentee before: DONGGUAN KELONG MOTOR Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 414000 building 27, Zhuoda Jingu entrepreneurship Park, high tech Industrial Development Zone, Jinlong Town, Xiangyin County, Yueyang City, Hunan Province Patentee after: Yueyang Xianlong Motor Co.,Ltd. Address before: 523000 3rd floor, building g, 182 Kwai Tsing Road, Qinghuang Village Industrial Zone, Qingxi Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN XIANLONG MOTOR CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |