CN102502205A - High-strength support roller and manufacture method - Google Patents
High-strength support roller and manufacture method Download PDFInfo
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- CN102502205A CN102502205A CN2011103357661A CN201110335766A CN102502205A CN 102502205 A CN102502205 A CN 102502205A CN 2011103357661 A CN2011103357661 A CN 2011103357661A CN 201110335766 A CN201110335766 A CN 201110335766A CN 102502205 A CN102502205 A CN 102502205A
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- carrying roller
- rotating shaft
- roller body
- support roller
- bearing
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Abstract
The invention belongs to the technical field of support rollers and discloses a high-strength support roller and a manufacture method. The high-strength support roller is mainly characterized in that the high-strength roller comprises a support roller body, a rotating shaft and a bearing, the support roller body is composed of blocking surfaces at two ends and a lateral surface of a roller body, and the lateral surface of the roller body is a curve surface formed by leading curves axially symmetrical to each other about the rotating shaft to rotate for a circle around a straight line where the rotating shaft locates. The support roller body is made of materials with the following parts by weight: 100 parts of caprolactam, 0.15-0.18 part of sodium hydroxide, 0.9-1.1 parts of hexamethyl phosphoric triamide, 0.45-0.55 part of molybdenum disulfide, 0.45-0.55 part of graphite, 0.29-0.31 part of carbon black and 0.29-0.31 part of isocyanate. Accordingly, a section of a conveying belt is ensured to be low in the middle and high on two sides, materials are prevented from falling off, diameters of the rotating shaft and the bearing are enlarged, accordingly integral strength of the support roller is improved, service life of the support roller is prolonged, operational amount of the materials is improved, and working efficiency is improved.
Description
Technical field
The invention belongs to the Idler Technology field, relate to high strength carrying roller and preparation method concretely.
Background technology
In the mine, occasions such as harbour, factory, the carrying roller that is used for mass transport is used more and more wider, in order to improve transport efficiency, the requirement of strength of carrying roller is also strengthened gradually; Carrying roller mainly contains two kinds at present: one of which, and the serial type carrying roller, this carrying roller is by the drag hook serial connection of three cylindrical carrying rollers through the rotating shaft two ends; Bearing is little, and tube wall is thin, in material conveying process; The force direction that receives of rotating shaft and bearing is a direction of tilt, causes rotating shaft and bearing failure, reduces service life; Its two, groove profile carrier roller is provided with support at the two ends of by-level carrying roller, though make flat idler rotating shaft and bearing receive force direction vertical with rotating shaft, the force direction that receives of two tilt carrying rollers still tilts, and has increased cost.
Summary of the invention
First technical matters that the present invention solves just provides a kind of simple structure, and intensity is high, the high strength carrying roller of long service life.
For solving the problems of the technologies described above; The technical scheme that the present invention proposes is: comprise carrying roller body, rotating shaft and bearing; Said carrying roller body comprises that the shutoff face that is positioned at two ends and roll body side form, described roll body side for about the curve of the axial symmetry of said rotating shaft around said rotating shaft place the straight line gained curved surface that rotates a circle.
Its additional technical feature is:
Described curve is hyperbola or parabola;
On described roll body side, be arranged at intervals with dashpot along rotor shaft direction;
Described carrying roller body includes following materials in weight portion:
Caprolactam 100; Sodium hydroxide 0.15-0.18;
Hempa 0.9-1.1; Molybdenum disulphide 0.45-0.55;
Graphite 0.45-0.55; Carbon black 0.29-0.31;
Lek sodium 0.29-0.31.
High strength carrying roller provided by the invention, comparing with prior art has the following advantages: one of which, owing to comprise carrying roller body, rotating shaft and bearing; Said carrying roller body comprises that the shutoff face that is positioned at two ends and roll body side form, described roll body side for about the curve of the axial symmetry of said rotating shaft around said rotating shaft place the straight line gained curved surface that rotates a circle, like this; Both guaranteed that the load-transfer device cross section presents middle low both sides height, prevented that material from coming off, and can also improve the diameter of rotating shaft and bearing; Thereby improve the bulk strength of carrying roller; Prolong service life, increased the operand of material, improved work efficiency; Its two because described curve is hyperbola or parabola, not only be convenient to processing, and each point is stressed evenly, has further prolonged its service life; Its three owing on described roll body side, be arranged at intervals with dashpot, when material drops on the load-transfer device, play buffer action along rotor shaft direction.
Second technical matters that the present invention solves just provides a kind of method for preparing above-mentioned carrying roller.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is:
This method comprises the following steps:
The first step takes by weighing raw material
Take by weighing the raw material of preparation carrying roller body according to the weight ratio of each raw material;
Second step, the fusing caprolactam
Caprolactam is heated into liquid state, pours into then in the rustless steel container;
In the 3rd step, add sodium hydroxide
In rustless steel container, add sodium hydroxide, vacuumized 25-35 minute;
The 4th step, the preparation mixture
Hempa, molybdenum disulphide, graphite, carbon black and lek sodium are added respectively in the container, be prepared into mixture;
The 5th step, pour mould into, make the carrying roller body
Above-mentioned mixture is poured in the mould, and the temperature in the mould is controlled between 195 ℃-205 ℃, process depanning after 50-70 minute;
In the 6th step, rotating shaft and bearing are installed
Burr on the carrying roller body after the depanning is removed, then with rotating shaft and bearing installation;
The 7th step, the packing warehouse-in.
Its additional technical feature is:
After the depanning of carrying roller body, with lathe at its separated dashpot in rotor shaft direction workshop, upper edge, roll body side.
Description of drawings
Fig. 1 is the structural representation of high strength carrying roller of the present invention;
Fig. 2 is the structural representation that has the carrying roller of dashpot.
The specific embodiment
Further specify below in conjunction with the structure of accompanying drawing high strength carrying roller proposed by the invention.
As shown in Figure 1, be the structural representation of high strength carrying roller.Its structure comprises carrying roller body 3, rotating shaft 2 and bearing 1, and carrying roller body 3 can adopt metallic material, nylon material etc. to process, and carrying roller body 3 comprises the shutoff face 31 and roll body side 32 compositions that is positioned at two ends; Roll body side 32 is for about the curve of the axial symmetry of the rotating shaft 22 place straight lines gained curved surface that rotates a circle around the shaft, like this, both guaranteed the load-transfer device cross section appear in the middle of low both sides high; Prevent that material from coming off; And can also improve the diameter of rotating shaft 2 and bearing 1, thus improve the bulk strength of carrying roller, prolonged service life; Increase the operand of material, improved work efficiency.
Curve can be hyperbola as shown in Figure 1, also can be parabola, like this, not only is convenient to processing, and each point is stressed evenly, has further prolonged its service life.
As shown in Figure 2, on roll body side 32, be arranged at intervals with dashpot 4 along rotor shaft direction, when material drops on the load-transfer device, play buffer action.
Caprolactam 100; Sodium hydroxide 0.15-0.18;
Hempa 0.9-1.1; Molybdenum disulphide 0.45-0.55;
Graphite 0.45-0.55; Carbon black 0.29-0.31;
Lek sodium 0.29-0.31.
The first step takes by weighing raw material
Take by weighing the caprolactam double centner; 0.15 kilogram in sodium hydroxide; 1.1 kilograms of hempas; 0.45 kilogram of molybdenum disulphide; 0.55 kilogram in graphite; 0.29 kilogram of carbon black; 0.31 kilogram in lek sodium;
Second step, the fusing caprolactam
Caprolactam is heated into liquid state, pours into then in the rustless steel container;
In the 3rd step, add sodium hydroxide
In rustless steel container, add sodium hydroxide, vacuumized 25 minutes;
The 4th step, the preparation mixture
Hempa, molybdenum disulphide, graphite, carbon black and lek sodium are added respectively in the container, be prepared into mixture;
The 5th step, pour mould into, make the carrying roller body
Above-mentioned mixture is poured in the mould, and the temperature in the mould is controlled between 205 ℃, through depanning after 50 minutes;
In the 6th step, rotating shaft and bearing are installed
Burr on the carrying roller body after the depanning is removed, then with rotating shaft and bearing installation;
The 7th step, the packing warehouse-in.
The first step takes by weighing raw material
Take by weighing the caprolactam double centner; 0.18 kilogram in sodium hydroxide; 0.9 kilogram of hempa; 0.55 kilogram of molybdenum disulphide; 0.45 kilogram in graphite; 0.31 kilogram of carbon black; 0.29 kilogram in lek sodium;
Second step, the fusing caprolactam
Caprolactam is heated into liquid state, pours into then in the rustless steel container;
In the 3rd step, add sodium hydroxide
In rustless steel container, add sodium hydroxide, vacuumized 35 minutes;
The 4th step, the preparation mixture
Hempa, molybdenum disulphide, graphite, carbon black and lek sodium are added respectively in the container, be prepared into mixture;
The 5th step, pour mould into, make the carrying roller body
Above-mentioned mixture is poured in the mould, and the temperature in the mould is controlled between 195 ℃, through depanning after 70 minutes;
In the 6th step, rotating shaft and bearing are installed
Burr on the carrying roller body after the depanning is removed, then with rotating shaft and bearing installation;
The 7th step, the packing warehouse-in.
The first step takes by weighing raw material
Take by weighing the caprolactam double centner; 0.16 kilogram in sodium hydroxide; 1.0 kilograms of hempas; 0.50 kilogram of molybdenum disulphide; 0.50 kilogram in graphite; 0.30 kilogram of carbon black; 0.30 kilogram in lek sodium;
Second step, the fusing caprolactam
Caprolactam is heated into liquid state, pours into then in the rustless steel container;
In the 3rd step, add sodium hydroxide
In rustless steel container, add sodium hydroxide, vacuumized 30 minutes;
The 4th step, the preparation mixture
Hempa, molybdenum disulphide, graphite, carbon black and lek sodium are added respectively in the container, be prepared into mixture;
The 5th step, pour mould into, make the carrying roller body
Above-mentioned mixture is poured in the mould, and the temperature in the mould is controlled between 200 ℃, through depanning after 60 minutes;
In the 6th step, rotating shaft and bearing are installed
Burr on the carrying roller body after the depanning is removed, then with rotating shaft and bearing installation;
The 7th step, the packing warehouse-in.
The first step takes by weighing raw material
Take by weighing the caprolactam double centner; 0.17 kilogram in sodium hydroxide; 1.0 kilograms of hempas; 0.55 kilogram of molybdenum disulphide; 0.50 kilogram in graphite; 0.29 kilogram of carbon black; 0.30 kilogram in lek sodium;
Second step, the fusing caprolactam
Caprolactam is heated into liquid state, pours into then in the rustless steel container;
In the 3rd step, add sodium hydroxide
In rustless steel container, add sodium hydroxide, vacuumized 32 minutes;
The 4th step, the preparation mixture
Hempa, molybdenum disulphide, graphite, carbon black and lek sodium are added respectively in the container, be prepared into mixture;
The 5th step, pour mould into, make the carrying roller body
Above-mentioned mixture is poured in the mould, and the temperature in the mould is controlled between 202 ℃, through depanning after 65 minutes;
The 6th the step, with lathe at its separated dashpot in rotor shaft direction workshop, upper edge, roll body side
In the 7th step, rotating shaft and bearing are installed
Burr on the carrying roller body after the depanning is removed, then with rotating shaft and bearing installation;
The 8th step, the packing warehouse-in.
Embodiment 5
The first step takes by weighing raw material
Take by weighing the caprolactam double centner; 0.17 kilogram in sodium hydroxide; 1.1 kilograms of hempas; 0.48 kilogram of molybdenum disulphide; 0.52 kilogram in graphite; 0.29 kilogram of carbon black; 0.30 kilogram in lek sodium;
Second step, the fusing caprolactam
Caprolactam is heated into liquid state, pours into then in the rustless steel container;
In the 3rd step, add sodium hydroxide
In rustless steel container, add sodium hydroxide, vacuumized 30 minutes;
The 4th step, the preparation mixture
Hempa, molybdenum disulphide, graphite, carbon black and lek sodium are added respectively in the container, be prepared into mixture;
The 5th step, pour mould into, make the carrying roller body
Above-mentioned mixture is poured in the mould, and the temperature in the mould is controlled between 198 ℃, through depanning after 63 minutes;
In the 6th step, rotating shaft and bearing are installed
Burr on the carrying roller body after the depanning is removed, then with rotating shaft and bearing installation;
The 7th step, the packing warehouse-in.
Protection scope of the present invention not only is confined to the foregoing description, as long as structure is identical with high strength idler structure of the present invention, just drops on the scope of the present invention's protection.
Claims (6)
1. high strength carrying roller; Comprise carrying roller body, rotating shaft and bearing; It is characterized in that: said carrying roller body comprises that the shutoff face that is positioned at two ends and roll body side form, described roll body side for about the curve of the axial symmetry of said rotating shaft around said rotating shaft place the straight line gained curved surface that rotates a circle.
2. high strength carrying roller according to claim 1 is characterized in that: described curve is hyperbola or parabola.
3. high strength carrying roller according to claim 1 is characterized in that: on described roll body side, be arranged at intervals with the dashpot along rotor shaft direction.
4. according to claim 1,2 or 3 described high strength carrying rollers, it is characterized in that: described carrying roller body includes following materials in weight portion:
Caprolactam 100; Sodium hydroxide 0.15-0.18;
Hempa 0.9-1.1; Molybdenum disulphide 0.45-0.55;
Graphite 0.45-0.55; Carbon black 0.29-0.31;
Lek sodium 0.29-0.31.
5. prepare the method that aforesaid right requires said high strength carrying roller, it is characterized in that: this method comprises the following steps:
The first step takes by weighing raw material
Take by weighing the raw material of preparation carrying roller body according to the weight ratio of each raw material;
Second step, the fusing caprolactam
Caprolactam is heated into liquid state, pours into then in the rustless steel container;
In the 3rd step, add sodium hydroxide
In rustless steel container, add sodium hydroxide, vacuumized 25-35 minute;
The 4th step, the preparation mixture
Hempa, molybdenum disulphide, graphite, carbon black and lek sodium are added respectively in the container, be prepared into mixture;
The 5th step, pour mould into, make the carrying roller body
Above-mentioned mixture is poured in the mould, and the temperature in the mould is controlled between 195 ℃-205 ℃, process depanning after 50-70 minute;
In the 6th step, rotating shaft and bearing are installed
Burr on the carrying roller body after the depanning is removed, then with rotating shaft and bearing installation;
The 7th step, the packing warehouse-in.
6. working method according to claim 5 is characterized in that: after the depanning of carrying roller body, with lathe at its separated dashpot in rotor shaft direction workshop, upper edge, roll body side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103357661A CN102502205A (en) | 2011-10-31 | 2011-10-31 | High-strength support roller and manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103357661A CN102502205A (en) | 2011-10-31 | 2011-10-31 | High-strength support roller and manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102502205A true CN102502205A (en) | 2012-06-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103357661A Pending CN102502205A (en) | 2011-10-31 | 2011-10-31 | High-strength support roller and manufacture method |
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| CN (1) | CN102502205A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065733A (en) * | 2013-01-15 | 2013-04-24 | 嘉兴市新缆电缆有限公司 | Line twisting device |
| CN103612886A (en) * | 2013-11-02 | 2014-03-05 | 繁峙县振华微晶铸石有限公司 | Wear-resisting anti-corrosion composite supporting roller for belt conveyor and manufacturing method thereof |
| CN108674919A (en) * | 2018-07-18 | 2018-10-19 | 魏飞 | Composite material support roller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070727U (en) * | 1990-05-19 | 1991-02-06 | 邹和明 | Conveyer roll |
| JPH07292433A (en) * | 1994-04-22 | 1995-11-07 | Kubota Corp | Roll for transferring surface treated steel sheet |
| CN1718409A (en) * | 2004-07-29 | 2006-01-11 | 南京理工大学 | Preparation method of nylon composite gradient pipe |
| CN101614220A (en) * | 2009-07-15 | 2009-12-30 | 重庆市泰伯铸型尼龙有限责任公司 | A kind of high-strength nylon formula and making method that is used for blower wheel |
| CN202279494U (en) * | 2011-10-31 | 2012-06-20 | 陈红升 | High-strength carrier roller |
-
2011
- 2011-10-31 CN CN2011103357661A patent/CN102502205A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070727U (en) * | 1990-05-19 | 1991-02-06 | 邹和明 | Conveyer roll |
| JPH07292433A (en) * | 1994-04-22 | 1995-11-07 | Kubota Corp | Roll for transferring surface treated steel sheet |
| CN1718409A (en) * | 2004-07-29 | 2006-01-11 | 南京理工大学 | Preparation method of nylon composite gradient pipe |
| CN101614220A (en) * | 2009-07-15 | 2009-12-30 | 重庆市泰伯铸型尼龙有限责任公司 | A kind of high-strength nylon formula and making method that is used for blower wheel |
| CN202279494U (en) * | 2011-10-31 | 2012-06-20 | 陈红升 | High-strength carrier roller |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065733A (en) * | 2013-01-15 | 2013-04-24 | 嘉兴市新缆电缆有限公司 | Line twisting device |
| CN103065733B (en) * | 2013-01-15 | 2015-06-17 | 嘉兴市新缆电缆有限公司 | Line twisting device |
| CN103612886A (en) * | 2013-11-02 | 2014-03-05 | 繁峙县振华微晶铸石有限公司 | Wear-resisting anti-corrosion composite supporting roller for belt conveyor and manufacturing method thereof |
| CN103612886B (en) * | 2013-11-02 | 2016-08-31 | 繁峙县振华微晶铸石有限公司 | A kind of ribbon conveyer wear-resistance and anti-corrosion composite roller and preparation method thereof |
| CN108674919A (en) * | 2018-07-18 | 2018-10-19 | 魏飞 | Composite material support roller |
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| PB01 | Publication | ||
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Application publication date: 20120620 |