CN204976331U - Optics correct grinding burnishing machine main shaft waterproof sealing structure - Google Patents
Optics correct grinding burnishing machine main shaft waterproof sealing structure Download PDFInfo
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- CN204976331U CN204976331U CN201520750710.6U CN201520750710U CN204976331U CN 204976331 U CN204976331 U CN 204976331U CN 201520750710 U CN201520750710 U CN 201520750710U CN 204976331 U CN204976331 U CN 204976331U
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- main shaft
- waterproof
- bearing
- bowl
- sealing structure
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- Expired - Fee Related
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Abstract
The utility model provides an optics correct grinding burnishing machine main shaft waterproof sealing structure, its characteristics are that the interval between waterproof bowl and the water pot flange is 5mm - 7mm, waterproof bowl upper portion is 5mm - 7mm with the interval of water pot flange upper end, waterproof bowl lower part is 34mm with water pot flange coincidence length, water pot flange lower extreme is than waterproof bowl lower extreme minister 7mm - 10mm, the main shaft connects, the rubber stop water tray, sealed top ring, bearing end plate, sealed fill up with the bearing frame holistic seal structure of from the top down constitution that mutually supports. The utility model provides a short problem of current main shaft bearing life, can make main shaft bearing life reach 3 - 5 years to reduce maintenance and human cost, improved equipment production efficiency.
Description
Technical field
The utility model relates to optics fine-grinding and polishing lathe, is specifically related to a kind of optics fine-grinding and polishing lathe main shaft waterproof sealing structure.
Background technology
Optics fine grinding polishing machine is conventional optical processing machine tool, and the waterproof sealing structure of main shaft is one of critical component of fine grinding polishing machine, directly affects the service life of main shaft bearing.In old type in the past, the service life of bearing only has 3 ~ 6 months, and maintenance task is large, and production efficiency is low, and use cost is high, and manpower waste is large, in the use procedure of reality, eliminates just gradually.
Fig. 1 is the structural representation of existing a kind of optics fine-grinding and polishing lathe main shaft waterproof, according to the structure of workpiece abrasive disk 16 and bearing block 10, and the dash seal 17 that Curve guide impeller coordinates with it.On the one hand, utilize the static seal of the interference fits of dash seal 17 lower end and bearing block 10, stopping the grinding liquid that sputters up bottom kettle 12 and water smoke, to enter bearing block 10 inner; On the other hand, utilize the labyrinth seal structure that the workpiece abrasive disk 16 of dash seal 17 upper end and main shaft 13 is formed, can the liquid that sputters from kettle 12 inwall of stop portions, but this sealing is not very reliable, the lapping liquid also having part is known from experience inflow or is inhaled into, by bearing nut 18, enter in the bearing in bearing block 10.
Fig. 2 is the structural representation of existing another kind of optics fine-grinding and polishing lathe main shaft waterproof, be cast in the lapping liquid on workpiece, driven by the main shaft of High Rotation Speed, get rid of the inwall to kettle 12, form unordered sputtering and water smoke, gap between rubber waterproof bowl 15 and kettle flange 11, enter into rubber stop water pond 5 above and periphery, respectively via in figure 1., 2., 3. three channels to enter into bearing 9 inner.1. be entered by the gap between sealing collar 6 and bearing (ball) cover 7,2. entered by the gap between bearing (ball) cover 7 and bearing block 10,3. be entered by water retaining disk 5, the gap sealed between collar 6 and main shaft 13, wherein 1. channel is main leakage passage, 2., 3. can change to some extent because of the reason seepage size of the precision of part and assembly quality.
Above-mentioned two kinds to original water-proof sealing structure improve after, service time generally at 15 ~ 20 months, if application maintenance, safeguard put in place, service time can reach more than 20 ~ 30 months, and present optics sector application is maximum.But these waterproof measures still make the bearing of optics fine-grinding and polishing lathe main shaft shorter for service life, and cost is higher.
Summary of the invention
Technical problem to be solved in the utility model is a kind of optics fine-grinding and polishing lathe main shaft waterproof sealing structure of design, adopts this structure main shaft bearing can be made to reach more than 3 years service life to optics fine-grinding and polishing lathe main shaft waterproof, reduces equipment use cost.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is: a kind of optics fine-grinding and polishing lathe main shaft waterproof sealing structure, comprise main shaft, main shaft joint, waterproof bowl, kettle flange, rubber stop water pond, sealing collar, sealing gasket, bearing, bearing (ball) cover and bearing block, spacing between described waterproof bowl and kettle flange is 5mm-7mm, the spacing of waterproof bowl top and kettle flange upper end is 5mm-7mm, the waterproof lower part of bowl length that overlaps with kettle flange is 34mm, and kettle flange lower end is than waterproof bowl lower end minister 7mm-10mm; Described main shaft joint, rubber stop water pond, sealing collar, bearing (ball) cover, sealing gasket and bearing block cooperatively interact the hermetically-sealed construction formed a whole from top to bottom.
The utility model adopts the optics fine-grinding and polishing lathe main shaft waterproof sealing structure designed by technique scheme, by the dimensional fits between optimal design waterproof bowl and kettle flange, main shaft joint, rubber stop water pond, sealing collar, bearing (ball) cover, sealing gasket and bearing block are formed holistic hermetically-sealed construction, use shows, main shaft bearing reaches 3-5 years service life, improve equipment availability and utilization rate, reduce maintenance and human cost, improve production efficiency of equipment.The utility model can extensive use in an optical device, has huge economic and social benefit.
Accompanying drawing explanation
Fig. 1 represents the schematic diagram of a kind of main shaft waterproof construction of prior art;
Fig. 2 represents the schematic diagram of the another kind of main shaft waterproof construction of prior art;
Fig. 3 represents the structural representation of a kind of embodiment of the utility model;
Fig. 4 represents the structural representation of the another kind of embodiment of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model optics fine-grinding and polishing lathe main shaft waterproof sealing structure is illustrated.
See Fig. 3, the utility model optics fine-grinding and polishing lathe main shaft waterproof sealing structure, comprise main shaft 13, main shaft joint 1, stainless steel waterproof bowl 4, kettle 12, kettle flange 11, rubber stop water pond 5, sealing collar 6, sealing gasket 8, bearing 9, bearing (ball) cover 7, bearing block 10, stainless steel waterproof bowl 4 is fixedly connected with by sealing ring 3, locking nut 2 with between main shaft joint 1, be provided with between bearing (ball) cover 7 and rubber stop water pond 5 and seal collar 6, between the upper end of bearing block 10 and bearing (ball) cover 7, be provided with sealing gasket 8.Spacing A between stainless steel waterproof bowl 4 and kettle flange 11 is set to 5mm-7mm, the spacing B of stainless steel waterproof bowl 4 top and kettle flange 11 upper end is set to 5mm-7mm, the stainless steel waterproof bowl 4 bottom length C that overlaps with kettle flange 11 is increased to 34mm by original 23mm, reach 1.5 times of original coincidence size, the distance D that kettle flange 11 lower end grows than stainless steel waterproof bowl 4 bottom is set to 7mm-10mm, like this, just can reduce lapping liquid to greatest extent and water smoke enters in kettle flange 11, compare with other waterproof construction the lapping liquid entered and greatly reduce.Main shaft joint 1 of the present utility model, rubber stop water pond 5, sealing collar 6, bearing (ball) cover 7, cooperatively interact between sealing gasket 8 and bearing block 10, the hermetically-sealed construction formed a whole from top to bottom, like this, lapping liquid just can all be kept off outside this hermetically-sealed construction, make lapping liquid enter less than in bearing 9, also just can not damage bearing 9.
The process of the work that its structure is concrete: main shaft joint 1 screw be in place time, and sealing collar 6 make rubber stop water pond 5 deform and compress, lapping liquid just can not enter from the junction of three bearing 9 inside.When bearing (ball) cover 7 on bearing block 10 is installed fastening, make sealing gasket 8 certain distortion occur and compress by the thrust of screw, it is inner that such lapping liquid also can not enter into bearing 9 by the junction of three.The channel that lapping liquid can enter into bearing 9 inside is only having in relative rotation between sealing collar 6 and bearing (ball) cover 7, due to the channel slope structure of rubber stop water pond 5, during High Rotation Speed, the lapping liquid seldom measured in the above that falls can be got rid of the outside flowing to bearing block 10, the lapping liquid that can arrive above bearing (ball) cover 7 is then less, again owing to sealing the High Rotation Speed of collar 6, it is very little especially that the lapping liquid of trace enters into bearing 9 inside by the gap between the sealing collar 6 of High Rotation Speed and bearing (ball) cover 7, can ignore.
See Fig. 4, optics fine-grinding and polishing lathe main shaft waterproof sealing structure waterproof bowl shown in Fig. 4 is rubber waterproof bowl 15, the essential concept that rubber waterproof bowl 15 and main shaft joint 1 junction are provided with the waterproof bowl waterproof shown in circlip for shaft 14, Fig. 4 is the same with Fig. 3, is not again repeating.
The utility model is on probation through trial-production, drops into technological transformation equipment 10 altogether, and fine grinding, each 5 of polissoir, according to the time of setting in advance, detect every platform equipment, 2 years to 3 years service time, do not find bearing damage phenomenon.As can be seen here, adopt the optics fine-grinding and polishing lathe main shaft waterproof sealing structure after improving that bearing can be made at least to reach 3 years service life, save the man-hour of maintenance, maintenance, reduce the use cost of equipment.
Claims (1)
1. an optics fine-grinding and polishing lathe main shaft waterproof sealing structure, comprise main shaft, main shaft joint, waterproof bowl, kettle flange, rubber stop water pond, sealing collar, sealing gasket, bearing, bearing (ball) cover and bearing block, it is characterized in that the spacing between described waterproof bowl and kettle flange is 5mm-7mm, the spacing of waterproof bowl top and kettle flange upper end is 5mm-7mm, the waterproof lower part of bowl length that overlaps with kettle flange is 34mm, and kettle flange lower end is than waterproof bowl lower end minister 7mm-10mm; Described main shaft joint, rubber stop water pond, sealing collar, bearing (ball) cover, sealing gasket and bearing block cooperatively interact the hermetically-sealed construction formed a whole from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750710.6U CN204976331U (en) | 2015-09-25 | 2015-09-25 | Optics correct grinding burnishing machine main shaft waterproof sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750710.6U CN204976331U (en) | 2015-09-25 | 2015-09-25 | Optics correct grinding burnishing machine main shaft waterproof sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204976331U true CN204976331U (en) | 2016-01-20 |
Family
ID=55110749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520750710.6U Expired - Fee Related CN204976331U (en) | 2015-09-25 | 2015-09-25 | Optics correct grinding burnishing machine main shaft waterproof sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204976331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382892A (en) * | 2021-12-28 | 2022-04-22 | 无锡阳光精机有限公司 | Multi-layer labyrinth type shaft end protection structure for silicon rod grinding |
-
2015
- 2015-09-25 CN CN201520750710.6U patent/CN204976331U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382892A (en) * | 2021-12-28 | 2022-04-22 | 无锡阳光精机有限公司 | Multi-layer labyrinth type shaft end protection structure for silicon rod grinding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160925 |