CN114425567A - Rapid repairing method for looseness of water retaining ring of roller - Google Patents
Rapid repairing method for looseness of water retaining ring of roller Download PDFInfo
- Publication number
- CN114425567A CN114425567A CN202111499044.XA CN202111499044A CN114425567A CN 114425567 A CN114425567 A CN 114425567A CN 202111499044 A CN202111499044 A CN 202111499044A CN 114425567 A CN114425567 A CN 114425567A
- Authority
- CN
- China
- Prior art keywords
- retaining ring
- water retaining
- roller
- roll
- repairing
- Prior art date
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 17
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000007767 bonding agent Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
- B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention belongs to the technical field of machinery, and relates to a quick repairing method for looseness of a water retaining ring of a roller, wherein the water retaining ring is arranged on a shaft neck of the roller, and a sealing ring is arranged between the water retaining ring and the roller, and the method comprises the following steps: after the water retaining ring is detached from the roller, measuring the assembling contact range of the water retaining ring and the roller neck, determining a roller neck repairing area, and controlling the width of the roller neck repairing area to be 5-10 mm larger than that of the water retaining ring; processing a mesh groove in the circumferential direction of the roll neck repairing area, uniformly coating a rapid repairing agent on the roll neck repairing area, and filling the mesh groove with the coating thickness of 0.3-0.5 mm; heating the water retaining ring, installing a sealing ring, and sleeving the water retaining ring on the roll neck of the roll to enable the water retaining ring to be tightly attached to the roll; and (5) after standing and curing, sleeving a bearing seat, and finishing. The invention provides a method for quickly repairing the loosening of the roller water retaining ring by adopting a quick repairing agent, which can realize the quick repairing of the roller water retaining ring without reconfiguring parts and can be quickly put into production and use.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a quick repairing method for looseness of a roller water retaining ring.
Background
The hot continuous rolling finish rolling working roll water retaining ring is loosened, the cooling water of the rack can directly enter the bearing box body after the water retaining ring is loosened, the bearing box is slightly polluted, the assembling and maintenance amount of the bearing is increased, and the roll bearing is burnt and damaged due to heavy weight. The water retaining ring and the roll neck of the roll are in interference fit, when the water retaining ring is loosened, the repair cost of the water retaining ring is high and the time consumption is long, so that the number of the production backup rolls is influenced.
Disclosure of Invention
In view of the above, the invention aims to solve the problem of loosening of the water retaining ring of the roller and provide a quick repairing method for loosening of the water retaining ring of the roller.
In order to achieve the purpose, the invention provides the following technical scheme:
a quick repairing method for looseness of a water retaining ring of a roller is characterized in that the water retaining ring is arranged on a shaft neck of the roller, and a sealing ring is arranged between the water retaining ring and the roller, and comprises the following steps:
s1, disassembling the loose roll bearing seat of the water retaining ring, and taking down the loose water retaining ring;
s2, cleaning the roll neck of the roll and the dismounted water retaining ring;
s3, measuring the assembling contact range of the water retaining ring and the roll neck, determining a roll neck repairing area, and controlling the width of the roll neck repairing area to be 5-10 mm larger than that of the water retaining ring;
s4, processing a mesh groove in the circumferential direction of the roll neck repairing area;
s5, preparing a quick repairing agent to be uniform and viscous, wherein the quick repairing agent comprises metal alloy powder and a bonding agent; the metal alloy powder is nickel-based alloy powder, and the adhesive is hard film anti-rust oil;
s6, uniformly coating the prepared rapid repairing agent on the roller neck repairing area, and filling the rapid repairing agent into the mesh groove, wherein the coating thickness is 0.3-0.5 mm;
s7, heating the water retaining ring, installing a sealing ring, and sleeving the water retaining ring on the roll neck of the roll to enable the water retaining ring to be tightly attached to the roll;
and S8, standing and cooling, sleeving a bearing block after the metal powder between the water retaining ring and the roll neck of the roll is completely solidified, and finishing repair to enable the roll to be normally put into use.
Further, in step S4, the depth of the mesh groove is controlled to be 0.2-0.5 mm.
Further, in step S5, the ratio of the metal alloy powder to the binder is 3:2 by volume.
The invention has the beneficial effects that:
the invention provides a method for quickly repairing the loosening of the roller water retaining ring by adopting a quick repairing agent, which has the advantages of no need of reconfiguring parts, realization of quick repairing of the roller water retaining ring, quick production and use, low cost, good use effect and effective saving of repairing cost of the roller water retaining ring; meanwhile, the service life of the bearing can be prolonged, and the maintenance cost of the tool and the die is further reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For a better understanding of the objects, aspects and advantages of the present invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a water retaining ring structure of a roller according to the present invention;
FIG. 2 is a schematic view of a roll neck repair area.
Reference numerals: 1, rolling; 2-water retaining ring; 3-O type sealing ring; 11-roll neck repair area.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, a schematic diagram of a method for rapidly repairing a loose water retaining ring of a roller is shown, in which a water retaining ring 2 is installed on a journal of the roller 1, and a sealing ring 3 is installed between the water retaining ring 2 and the roller 1, and the method includes the following steps:
s1, disassembling the loose bearing seat of the roller 1 of the water retaining ring 2, and taking down the loose water retaining ring 2;
s2, cleaning the roll neck of the roll 1 and the water retaining ring 2 which is dismounted;
s3, measuring the assembling contact range of the water retaining ring 2 and the roll neck, determining the area 11 of the roll neck repair area, and controlling the width D1 of the area 11 of the roll neck repair area to be 5-10 mm larger than the width D2 of the water retaining ring 2;
s4, processing a mesh groove in the circumferential direction of the roll neck repairing area 11 by using an angle grinder, wherein the depth of the mesh groove is controlled to be 0.2-0.5 mm;
s5, preparing a quick repairing agent to be uniform and viscous, wherein the quick repairing agent comprises metal alloy powder and a bonding agent; the metal alloy powder is nickel-based alloy powder, the adhesive is hard film anti-rust oil, the metal alloy powder and the adhesive are in volume ratio, and the ratio of the metal powder to the anti-rust oil is 3: 2;
s6, uniformly coating the prepared rapid repairing agent on the area 11 of the roll neck repairing area, and fully filling the rapid repairing agent into the mesh groove, wherein the coating thickness is 0.3-0.5 mm;
s7, heating the water retaining ring 2, installing the O-shaped sealing ring 3, and sleeving the water retaining ring 2 on the roll neck of the roll 1 to enable the water retaining ring 2 to be tightly attached to the roll 1;
and S8, standing and cooling for more than 12 hours, sleeving a bearing seat after the metal powder between the water retaining ring 2 and the roll neck of the roll 1 is completely solidified, and after the repair is finished, putting the roll 1 into normal use.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (3)
1. A quick repairing method for looseness of a water retaining ring of a roller is characterized in that the water retaining ring is arranged on a shaft neck of the roller, and a sealing ring is arranged between the water retaining ring and the roller, and the method comprises the following steps:
s1, disassembling the loose roll bearing seat of the water retaining ring, and taking down the loose water retaining ring;
s2, cleaning the roll neck of the roll and the dismounted water retaining ring;
s3, measuring the assembling contact range of the water retaining ring and the roll neck, determining a roll neck repairing area, and controlling the width of the roll neck repairing area to be 5-10 mm larger than that of the water retaining ring;
s4, processing a mesh groove in the circumferential direction of the roll neck repairing area;
s5, preparing a quick repairing agent to be uniform and viscous, wherein the quick repairing agent comprises metal alloy powder and a bonding agent; the metal alloy powder is nickel-based alloy powder, and the adhesive is hard film anti-rust oil;
s6, uniformly coating the prepared rapid repairing agent on the roller neck repairing area, and filling the rapid repairing agent into the mesh groove, wherein the coating thickness is 0.3-0.5 mm;
s7, heating the water retaining ring, installing a sealing ring, and sleeving the water retaining ring on the roll neck of the roll to enable the water retaining ring to be tightly attached to the roll;
and S8, standing and cooling, sleeving a bearing block after the metal powder between the water retaining ring and the roll neck of the roll is completely solidified, and finishing repair to enable the roll to be normally put into use.
2. The method for rapidly repairing the looseness of the water retaining ring of the roller according to claim 1, wherein the method comprises the following steps: in step S4, the depth of the mesh groove is controlled to be 0.2-0.5 mm.
3. The method for rapidly repairing the looseness of the water retaining ring of the roller according to claim 1, wherein the method comprises the following steps: in step S5, the metal alloy powder and the adhesive are mixed according to the volume ratio, and the ratio of the metal powder to the anti-rust oil is 3: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111499044.XA CN114425567B (en) | 2021-12-09 | 2021-12-09 | Quick repairing method for loosening of roller water retaining ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111499044.XA CN114425567B (en) | 2021-12-09 | 2021-12-09 | Quick repairing method for loosening of roller water retaining ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114425567A true CN114425567A (en) | 2022-05-03 |
| CN114425567B CN114425567B (en) | 2024-01-30 |
Family
ID=81311194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111499044.XA Active CN114425567B (en) | 2021-12-09 | 2021-12-09 | Quick repairing method for loosening of roller water retaining ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114425567B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2074802C1 (en) * | 1994-06-28 | 1997-03-10 | Леонард Брониславович Рогинский | Method of repair of crankshaft journals |
| CN107150205A (en) * | 2017-03-28 | 2017-09-12 | 宝钢轧辊科技有限责任公司 | Method for scrapping large forged back -up roll circular regeneration |
| KR101894475B1 (en) * | 2017-03-21 | 2018-09-04 | 주식회사 정진이엔티 | Rolling roll journal part restoration method |
| CN208195236U (en) * | 2018-05-22 | 2018-12-07 | 河南科源电子铝箔有限公司 | Cold-rolling mill roll bearing ring loosens compensation and repairs structure |
| CN111139464A (en) * | 2019-12-05 | 2020-05-12 | 新疆大学 | High-speed wire rod roller repairing method based on laser cladding and repairing structure thereof |
| CN113441902A (en) * | 2021-07-19 | 2021-09-28 | 成都三强轧辊股份有限公司 | Repairing method of roller |
| CN113579638A (en) * | 2021-07-01 | 2021-11-02 | 昆明云内动力股份有限公司 | Rotating shaft sealing repair method |
-
2021
- 2021-12-09 CN CN202111499044.XA patent/CN114425567B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2074802C1 (en) * | 1994-06-28 | 1997-03-10 | Леонард Брониславович Рогинский | Method of repair of crankshaft journals |
| KR101894475B1 (en) * | 2017-03-21 | 2018-09-04 | 주식회사 정진이엔티 | Rolling roll journal part restoration method |
| CN107150205A (en) * | 2017-03-28 | 2017-09-12 | 宝钢轧辊科技有限责任公司 | Method for scrapping large forged back -up roll circular regeneration |
| CN208195236U (en) * | 2018-05-22 | 2018-12-07 | 河南科源电子铝箔有限公司 | Cold-rolling mill roll bearing ring loosens compensation and repairs structure |
| CN111139464A (en) * | 2019-12-05 | 2020-05-12 | 新疆大学 | High-speed wire rod roller repairing method based on laser cladding and repairing structure thereof |
| CN113579638A (en) * | 2021-07-01 | 2021-11-02 | 昆明云内动力股份有限公司 | Rotating shaft sealing repair method |
| CN113441902A (en) * | 2021-07-19 | 2021-09-28 | 成都三强轧辊股份有限公司 | Repairing method of roller |
Non-Patent Citations (1)
| Title |
|---|
| 白新波;: "宝钢连退支撑辊辊颈激光熔覆修复工艺研究", 热加工工艺, no. 10 * |
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| Publication number | Publication date |
|---|---|
| CN114425567B (en) | 2024-01-30 |
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