CN220767551U - A rotating member leak protection device for in carbon fiber body paper manufacturing drying tunnel - Google Patents
A rotating member leak protection device for in carbon fiber body paper manufacturing drying tunnel Download PDFInfo
- Publication number
- CN220767551U CN220767551U CN202322483212.7U CN202322483212U CN220767551U CN 220767551 U CN220767551 U CN 220767551U CN 202322483212 U CN202322483212 U CN 202322483212U CN 220767551 U CN220767551 U CN 220767551U
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- Prior art keywords
- bearing
- carbon fiber
- lubricating oil
- annular
- flange
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 30
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000001035 drying Methods 0.000 title claims abstract description 26
- 239000003921 oil Substances 0.000 claims abstract description 31
- 239000010687 lubricating oil Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000002265 prevention Effects 0.000 claims 3
- 238000000034 method Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a rotary part leakage-proof device used in a baking channel for manufacturing carbon fiber base paper, which comprises a baking channel box, a manufacturing production line and a conveying roller, wherein the conveying roller is used for supporting and conveying the carbon fiber base paper at the upper net part of the manufacturing production line; bearing seats are respectively arranged at two ends of the conveying roller, and bearing covers are sealed at end faces of the bearing seats; the inner side surface of the bearing cover is provided with an annular flange embedded in a bearing hole of the bearing seat, and the circumferential periphery of the outer side of the annular flange is radially extended with a flange edge; the flange is provided with an annular groove for collecting overflowed or leaked lubricating oil at the sealing joint along the circumferential annular recess along the inner side end surface, the annular groove is provided with at least one back side hole for recovering the overflowed or leaked lubricating oil along the axial direction, the lubricating oil is recovered through the back side hole, and the overflowed or leaked lubricating oil in the annular groove is emptied, so that unnecessary potential safety hazards caused by carbon fiber conduction under the high temperature condition inside a drying process drying tunnel of the leaked oil are avoided.
Description
[ field of technology ]
The utility model relates to a manufacturing technology of carbon fiber base paper, in particular to a leakage-proof device for a rotating part in a drying tunnel for manufacturing the carbon fiber base paper.
[ background Art ]
The paper machine for wet forming carbon fiber base paper relates to a plurality of high-speed rotating parts, especially in the drying process, the bearing is positioned in the drying tunnel, at the moment, the carbon fiber is in a dry state, and if oil leaks at the bearing of the equipment during conducting test, the damage caused by the oil leaks is very dangerous. However, due to the design structure and cost, oil seepage and oil leakage of the machine are easy to occur, and water and oil are easy to mix and discharge, so that the internal environment of the drying tunnel is affected in a destructive manner. Because the carbon fiber is a strong conductive fiber material, the carbon fiber with conductivity floats to various places (such as bearing oil seepage places) in the wet forming and manufacturing process, especially the inside of a drying tunnel, so that potential safety hazards occur, and pollution and damage of pipelines, oil pumps and the like can be caused; at the same time, the carbon fiber is mixed into the oil, and the use problem exists.
At present, one of the sealing structures of the rotating parts (rollers) of the mainstream papermaking machinery, namely bearing lubricating oil, adopts the end face of a bearing cover for hard sealing, and the other is to adopt the way of coating sealant on the bearing cover of some rollers for sealing. Due to the adoption of a hard sealing mode of the end face of the bearing cover, the hard sealing standard of the level of the hydraulic element is not met due to cost and manufacturing reasons, and the phenomenon of oil seepage and oil leakage in operation is often caused; the leakage problem can be improved in a period of time by adopting a mode of smearing the sealant, but the sealant has the risks of service life and failure, has higher cost, and cannot realize recycling of oil seepage and oil leakage.
[ utility model ]
The utility model provides a leakage-proof device for rotating parts in a drying tunnel for manufacturing carbon fiber base paper, which reduces the risks of oil seepage and oil leakage of the rotating parts such as bearings in the drying tunnel in the drying process during the manufacture of the carbon fiber base paper by adopting a dredging design and connecting, recovering and sucking pipelines, and realizes separate drainage of water and oil.
The technical scheme adopted for solving the technical problems is as follows:
the rotary part leakage-proof device used in the baking channel for manufacturing the carbon fiber base paper comprises a baking channel box, a manufacturing production line and a conveying roller, wherein the conveying roller is arranged at the front side of the baking channel box and is used for supporting and conveying the carbon fiber base paper of the net-feeding part of the manufacturing production line;
bearing seats for supporting the conveying rollers to rotate circumferentially are respectively arranged at two ends of the conveying rollers, and bearing covers for preventing lubricating oil in the bearing seats from leaking are sealed at end faces of the bearing seats in a sealing manner;
the inner side surface of the bearing cover is axially provided with an annular flange which is embedded into a bearing hole of the bearing seat in a protruding mode, and the circumferential periphery of the outer side of the annular flange is radially extended to be flush with and abutted against the flange edge of the outer end surface of the bearing cover;
the flange of the joint surface of the bearing cover and the bearing seat is provided with an annular groove which is used for collecting overflow or leakage of lubricating oil at the sealing joint position of the bearing seat and the bearing cover along the circumferential annular recess, and the annular groove is provided with at least one back side hole which is communicated with an external oil tank or a blow-down tank through a pipeline along the axial direction and is used for recovering the overflow or leakage of the lubricating oil.
Preferably, at least one diversion trench used for guiding the lubricating oil overflowed or leaked from the bearing hole on the bearing seat into the annular groove is also arranged between the annular groove and the outer wall surface of the annular flange of the bearing cover along the radial direction.
Preferably, the bearing cap is a circular flange-type cap.
Preferably, the back side hole is a threaded hole connected with the pipeline joint.
The beneficial effects of the utility model are as follows:
an annular groove for collecting overflowed or leaked lubricating oil at the joint of the bearing cover and the bearing seat is formed along the circumferential annular recess at the inner side end surface of the flange of the joint of the bearing cover and the bearing seat, a plurality of guide grooves which are uniformly distributed along the circumferential direction and are used for guiding the overflowed or leaked lubricating oil in the bearing holes on the bearing seat into the annular groove are also formed between the annular groove and the outer wall surface of the annular flange of the bearing cover along the radial direction, and a back side hole which is communicated with an external oil tank or a blow-down tank through a pipeline and is used for recycling the overflowed or leaked lubricating oil is formed in the annular groove along the axial direction of the annular groove; meanwhile, the subsequent quality problem caused by the carbon fiber doped into the oil is avoided.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of a cross-sectional structure of a bearing cap of the present utility model;
FIG. 3 is an enlarged schematic view of the front view of the bearing cap of the present utility model;
reference numerals:
1. a drying tunnel box; 2. a papermaking production line; 3. a conveying roller; 4. a bearing seat; 5. a bearing cap; 6. an annular flange; 7. a flange edge; 8. an annular groove; 9. a diversion trench; 10. a back side hole.
[ detailed description ] of the utility model
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The rotary part leakage-proof device for the inside of the drying tunnel for manufacturing the carbon fiber base paper comprises a drying tunnel box 1, a manufacturing production line 2 and a conveying roller 3, wherein the conveying roller 3 is arranged at the front side of the drying tunnel box 1 and is used for supporting and conveying the carbon fiber base paper on the upper net part of the manufacturing production line 2; bearing seats 4 for supporting the conveying rollers to rotate circumferentially are respectively arranged at two ends of each conveying roller 3, and bearing covers 5 for preventing lubricating oil in the bearing seats 4 from leaking are sealed at the end faces of each bearing seat 4; the bearing cover 5 is a circular flange type blank cap, an annular flange 6 which is in a circular ring shape and is embedded into a bearing hole of the bearing seat 4 is arranged on the inner side surface of the bearing cover 5 in a protruding manner along the axial direction, and a flange edge 7 which is flush and close to the outer end surface of the bearing cover 5 is arranged on the circumferential periphery of the outer side of the annular flange 6 along the radial direction; the flange of the joint surface of the bearing cover 5 and the bearing seat 4 is provided with an annular groove 8 which is used for collecting the overflow or leakage of the lubricating oil at the sealing joint of the bearing seat 4 and the bearing cover 5 along the circumferential annular recess at the inner side end surface of the flange 7, and the lubricating oil can be collected in a targeted manner through the annular groove 8, so that the leakage is avoided.
As shown in fig. 2 and 3, a plurality of flow guide grooves 9 which are uniformly distributed along the circumferential direction and are used for overflowing or leaking out of bearing holes on the bearing seat 4 and guiding lubricating oil into the annular groove 8 are also arranged between the annular groove 8 and the outer wall surface of the annular flange 6 of the bearing cover 5 along the radial direction, and the lubricating oil flows according to a planned path through the flow guide grooves 9 so as to avoid the divergence of an annular surface; meanwhile, a back side hole 10 which is communicated with an external oil tank or a blow-down tank through a pipeline and is used for recovering overflow or leakage of lubricating oil is also formed in the annular groove 8 along the axial direction, wherein the back side hole 10 is a threaded hole connected with a pipeline joint, and the purposes of recovering the lubricating oil and emptying the overflow or leakage of the lubricating oil in the annular groove 8 are achieved through the back side hole 10, so that unnecessary potential safety hazards caused by conduction of carbon fibers under the high temperature condition inside a drying process drying channel of the leaked oil are avoided.
In the process of a dryer for manufacturing carbon fiber base paper, in the lubricating process of lubricating oil added at a bearing in the drying process, oil flows into a joint surface of a bearing seat 4 and a bearing cover 5 due to splashing caused by the bearing, deviation of a flow path of lubricating oil and the like, so that conductive carbon fibers float to various places (such as bearing oil seepage places), particularly the inside of a drying tunnel, and potential safety hazards are caused; in this embodiment, in view of the above problems, most of the lubricating oil used first passes through the radial diversion trench 9 of the bearing cap 5 and is collected in the annular groove 8, so that the oil is discharged according to a planned path, the problem that the annular surface diverges due to possible manufacturing problems is avoided, and the oil (a small part) at the place without the runner trench is also collected in the annular groove 8, so that the lubricating oil is not basically oozed out or discharged from the bearing cap 5 through the structure, and the oil leakage of the annular surface is avoided. The lubricating oil collected in the annular groove 8 is recovered into the oil tank or the sewage draining tank through the back side hole 10 (threaded hole), namely, a recovery interface is reserved outside the bearing in the drying process, so that the water-oil separation can be solved, and the oil in the annular groove 8 can be timely emptied through the structure, so that new lubricating oil can be timely collected. Unnecessary potential safety hazards caused by carbon fiber conduction under the high-temperature condition in a drying process drying tunnel of leaked oil are avoided, so that the potential safety hazards caused by static electricity generated by carbon fiber falling in the process of manufacturing carbon fiber paper by wet forming are avoided, a high protection effect is achieved, and the safety and reliability of production are effectively improved.
The above embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but all equivalent changes according to the shape, construction and principle of the present utility model are intended to be included in the scope of the present utility model.
Claims (4)
1. The rotary part leakage-proof device used in the baking channel for manufacturing the carbon fiber base paper is characterized by comprising a baking channel box, a manufacturing production line and a conveying roller, wherein the conveying roller is arranged at the front side of the baking channel box and is used for supporting and conveying the carbon fiber base paper at the net-feeding part of the manufacturing production line;
bearing seats for supporting the conveying rollers to rotate circumferentially are respectively arranged at two ends of the conveying rollers, and bearing covers for preventing lubricating oil in the bearing seats from leaking are sealed at end faces of the bearing seats in a sealing manner;
the inner side surface of the bearing cover is axially provided with an annular flange which is embedded into a bearing hole of the bearing seat in a protruding mode, and the circumferential periphery of the outer side of the annular flange is radially extended to be flush with and abutted against the flange edge of the outer end surface of the bearing cover;
the flange of the joint surface of the bearing cover and the bearing seat is provided with an annular groove which is used for collecting overflow or leakage of lubricating oil at the sealing joint position of the bearing seat and the bearing cover along the circumferential annular recess, and the annular groove is provided with at least one back side hole which is communicated with an external oil tank or a blow-down tank through a pipeline along the axial direction and is used for recovering the overflow or leakage of the lubricating oil.
2. The rotary part leakage prevention device for a drying tunnel for manufacturing carbon fiber base paper according to claim 1, wherein: at least one diversion trench used for guiding lubricating oil overflowed or leaked from the bearing hole on the bearing seat into the annular trench is also arranged between the annular trench and the outer wall surface of the annular flange of the bearing cover along the radial direction.
3. The rotary part leakage prevention device for a drying tunnel for manufacturing carbon fiber base paper according to claim 1, wherein: the bearing cap is a circular flange type blank cap.
4. The rotary part leakage prevention device for a drying tunnel for manufacturing carbon fiber base paper according to claim 1, wherein: the back side hole is a threaded hole connected with the pipeline joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322483212.7U CN220767551U (en) | 2023-09-12 | 2023-09-12 | A rotating member leak protection device for in carbon fiber body paper manufacturing drying tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322483212.7U CN220767551U (en) | 2023-09-12 | 2023-09-12 | A rotating member leak protection device for in carbon fiber body paper manufacturing drying tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220767551U true CN220767551U (en) | 2024-04-12 |
Family
ID=90617829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322483212.7U Active CN220767551U (en) | 2023-09-12 | 2023-09-12 | A rotating member leak protection device for in carbon fiber body paper manufacturing drying tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220767551U (en) |
-
2023
- 2023-09-12 CN CN202322483212.7U patent/CN220767551U/en active Active
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