CN102389851A - High toughness bionic wear resistant grinding roller - Google Patents
High toughness bionic wear resistant grinding roller Download PDFInfo
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- CN102389851A CN102389851A CN2011103616238A CN201110361623A CN102389851A CN 102389851 A CN102389851 A CN 102389851A CN 2011103616238 A CN2011103616238 A CN 2011103616238A CN 201110361623 A CN201110361623 A CN 201110361623A CN 102389851 A CN102389851 A CN 102389851A
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Abstract
The invention relates to a high toughness bionic wear resistant grinding roller. The high toughness bionic wear resistant grinding roller comprises a roller core and a steel bar frame, wherein the steel bar frame is a steel bar venation roll which is sleeved on the surface of the roller core and is braised by steel bars, and the steel bar venation roll is formed by latticed bodies which are assigned in an aligned or staggered mode; and the layer number of the steel bar frame can be one or more than one, and weld-melted wear resistant alloy is filled in the body of each layer of the steel bar frame to wrap the surface of the roller core to form a working layer which has an alternate hardness strength toughness structure of leaf-shaped or dragonfly wing-shaped organisms. The high toughness bionic wear resistant grinding roller which aims to break through design modes and manufacturing technologies of traditional grinding rollers allows the hardness of the grinding roller surface to be effectively improved, the toughness of the grinding roller surface to be considered, and effective energy absorption to be realized. A high toughness wear resistant grinding roller which is reasonable and effective under working conditions of fatigue wearing and abrasive wearing and the high toughness bionic wear resistant grinding roller which depends on the bionic theory are exploited.
Description
Technical field:
The present invention relates to a kind of manufacturing process technology of the high tenacity grinding roller that under fatigue wear and abrasive wear working condition, uses.
Background technology:
Grinding machine is when work, and grinding roller not only will bear the wearing and tearing of abrasive material, also will bear certain shock loading.Therefore, grinding roller will have higher wearability, hardness and impact flexibility.The good and bad grinding effect that directly influences equipment of grinding roller quality.Hardness, it is the of paramount importance technical indicator of grinding roller that wearability and Surface Machining require.Hardness and wearability are defective, can not process the grinding roller of high-quality through cut.Because the contradiction that hardness, wearability and processing exist must research be improved the overall process that grinding roller is produced.The toughness of material and hardness are two and influence each other and mutual restriction.If material is wanted wear-resisting, its hardness must be high, so effectively the shearing force and the impulsive force on opposing surface.But the endergonic poor of the material of high rigidity itself, the material that runs into the local high rigidity that stress concentrates can crack, finally cause material large-area cracked with come off.The material of high tenacity has energy absorption capacity preferably, but in grinding process, toughness material is under the operating mode of abrasive wear, and antiwear property is poor, ground off soon, so the life-span of toughness material is short.The problem that solution toughness and hardness are taken into account is the difficult problem of puzzlement grinding roller development.
Summary of the invention:
The objective of the invention is to break through traditional grinding roller design and manufacturing process, can effectively improve roller surface hardness, can take into account the toughness of roller surface again, accomplish effectively to absorb energy.Develop a kind of more reasonable, effective bionical abrasive roller of a kind of high tenacity that under fatigue wear and abrasive wear working condition, uses.
Above-mentioned purpose of the present invention realizes through following technology side:
The bionical abrasive roller of a kind of high tenacity; Roller core and steel bar framework by grinding roller are formed; Said steel bar framework is the reinforcing bar train of thought volume structure that is sleeved on the roller core surface and is worked out by reinforcing bar; Said reinforcing bar train of thought volume is arranged for alignment or the latticed body of arranging that staggers constitutes; Said steel bar framework is one or more layers, and every layer of steel bar framework is wrapped in the roller core surface through the molten antifriction alloy of the weldering of filling in body, forms the working lining of imitative leaf shape or dragonfly wing shape organism soft or hard, tough alternate structure.
The material of the reinforcing bar of said reinforcing bar selects rolling carbon steel or low alloy steel; Bar diameter is 5-10mm; Said latticed body is square, rectangle or rhombus, and each body is arranged or staggered for alignment and arranges, and the area of each grid body is the 80-120 square millimeter.
The said antifriction alloy of filling out is hypereutectic high chromium cast iron commonly used, white by weight proportion by subtraction: the C:1.0-3.2 of its composition, Mn:0.65, Si:0.71, P:0.013, S:0.012, Cr:50-69, Mo:0.05-0.8, Fe: surplus.
The said antifriction alloy of filling out is the antifriction alloy that contains the vanadium material, its composition by weight percentage: C:0.8-1.0, Mn:0.65, Si:0.71, P:0.013, S:0.012, V:50-55, Mo:2-3, Fe: surplus.
The said antifriction alloy of filling out is formed new alloy on the basis of hypereutectic high chromium cast iron commonly used, adding the 0.5-2 niobium.
The principle that alternately constitutes each other through soft and hard alternation structure in the mimic biology body abrasion-resistant tissues, and with reference to the method for designing of armored concrete in the architecture.The high-toughness wear-resistant grinding roller that design makes new advances substitutes the original high hardness wear-resisting property grinding roller that relies on the integral surface built-up welding.Adopt the grinding roller of this method preparation; Its roller core outer (wearing layer) has identical wearability with the abrasive roller of conventional surface built-up welding rich chromium cast iron; Even also improving to some extent on than traditional high-chromium iron alloying component aspect the wear resistant alloy material, to obtain better hardness and wearability.This novel grinding roller is when receiving shearing and impulsive force, and high rigidity can effectively be resisted impulsive force and shearing force, and the impact energy that these two kinds of power produce is then absorbed by the framework of steel reinforcement in the new grinding roller.Reinforcing bar has excellent toughness, and its tension and compression strength are very high, at the outer surface of grinding roller because of the stressed and energy-producing while, reinforcing bar through self characteristics with energy absorption.Compare with traditional built-up welding grinding roller like this; The energy that shearing force and impulsive force produce has just been weakened the destruction of wearing layer greatly; Therefore the wear-resistant ability of grinding roller increases, and survivability strengthens, and the service life of grinding roller and operating efficiency all are far longer than the grinding roller of surface overlaying.Improved production efficiency greatly.
Description of drawings:
Fig. 1 (a) has the bionical abrasive roller stereogram one of steel bar framework structure.
Fig. 1 (b) has the bionical abrasive roller stereogram two of steel bar framework structure.
Fig. 2 (a) steel bar framework grid is arranged by the rectangle alignment.
Fig. 2 (b) steel bar framework grid staggers by rectangle and arranges.
Fig. 2 (c) steel bar framework grid is arranged by rhombus.
The specific embodiment:
Further specify particular content of the present invention and process thereof below in conjunction with accompanying drawing.
Biological evolution through 1 years not only can adapt to nature, and its evolution degree is near perfect, and their some marvellous functions are considerably beyond the previous design of mankind itself, and becomes the answer that solves the problem job problem gradually.The present invention is through the biology that observation of nature circle has the excellent anti fatigue wear, and find that they have following characteristic: 1. they all have the structure that soft or hard alternates; 2. can there be different distributional patterns hard unit self in this structure; 3. the relative high rigidity of hard unit is all from the composition material or the institutional framework difference of itself and soft unit.The organic coupling of this form, structure and composition material makes biology have excellent mechanical property and antifatigue wearing and tearing function.
The present invention proposes a kind of novel high tenacity grinding roller thus.Its unique bionical thing skeleton theory effectively combines with architectonics; Can select the diameter of reinforcing bar, according to the wearing layer thickness of grinding roller according to the diameter of grinding roller; Select the preparation method and the shape of reinforcing bar; Different frame configuration have different features, and the energy-absorbing situation of different frame configuration is also different, look the working condition of grinding roller and decide.Aspect the selection of packing material, high-chromium cast iron alloy and add high-abrasive materials such as niobium therein and form the use that new microstructure and new wear-resisting composition can further improve the grinding roller wearing layer.
The bionical abrasive roller of high tenacity of the present invention is a kind of a kind of manufacturing process technology with high-strength, toughness and wearability grinding roller of under fatigue wear and abrasive wear working condition, using; On the roller core surface of common grinding roller, process the framework of vein or vein structure with high-strength, tough reinforcing bar; Through welding method filling wear-resisting alloy in framework; The molten alloy of weldering tightly wraps steel bar framework; Form the working lining (consulting Fig. 1) of organism soft or hards such as imitative leaf, dragonfly wing, tough alternate structure, the working lining that substitutes original single antifriction alloy with this working lining is made grinding roller.
Its manufacture process is: at first the reinforcing bar train of thought is rolled into and is enclosed within on the roller core; The gap of reinforcing bar train of thought volume and roller core is less than 1mm,, along clockwise direction to the molten antifriction alloy of roller core weldering roller core, reinforcing bar train of thought volume is connected as a single entity through welding molten antifriction alloy from of roller core; The built-up welding second layer again behind built-up welding one deck; After the molten antifriction alloy of weldering and reinforcing bar train of thought volume surface one are flat, put another layer reinforcing bar train of thought volume again and repeat last process, add which floor reinforcing bar train of thought according to the thickness decision of working lining and roll up.
The material of described reinforcing bar can be rolling carbon steel or low-alloy steel; The diameter 5-10mm of reinforcing bar; Square, rectangle or rhombus that the grid of reinforcing bar train of thought is arranged or staggered and arrange for alignment, (consulting Fig. 2), the area of each grid body is the 80-120 square millimeter.
The antifriction alloy of described filling can be the hypereutectic high chromium cast iron of using always; Its composition is by weight percentage: C 1.0-3.2, Cr 50-69% balance iron; Or contain the antifriction alloy of ceramic material; Its composition is by weight percentage: C 0.8-1.0, V50-55% balance iron also can be on the basis of hypereutectic high chromium cast iron commonly used, to add niobium: 0.5-2 (by weight percentage) to form new alloy, utilize these several kinds of alloys to make welding wire; The use automatic welder(welding machine) is filled into wear-resisting alloying component among roller core and the framework of steel reinforcement, finally forms the abrasive roller of a substantial high tenacity.
Table 1 hypereutectic high chromium cast iron components of welding electrode
Table 2 contains vanadium material components of welding electrode
Table 3 hypereutectic high chromium cast iron adds the niobium components of welding electrode
After accomplishing a reinforcing bar train of thought and filling, can continue to carry out second and third and reinforcing bar train of thought is repeatedly filled with same form.But when filling, the reinforcing bar train of thought of new one deck is compared with the reinforcing bar train of thought of last layer in tiling and is wanted at every turn, and its striped tries not to overlap; With vertical striped is example; 5～the 10mm that should interlace, travers are also like this, receive this limitation little for erose grid.
With the market of wearing layer thickness 100mm and 50mm grinding roller commonly used is example.
Used components of welding electrode is following for example, is market and contains the rich chromium cast iron welding rod.
Table 1 hypereutectic high chromium cast iron components of welding electrode
Claims (5)
1. bionical abrasive roller of high tenacity; Roller core and steel bar framework by grinding roller are formed; Its spy just is; Said steel bar framework is the reinforcing bar train of thought volume structure that is sleeved on the roller core surface and is worked out by reinforcing bar, and said reinforcing bar train of thought volume is arranged for alignment or the latticed body of arranging that staggers constitutes, and said steel bar framework is one or more layers; Every layer of steel bar framework is wrapped in the roller core surface through the molten antifriction alloy of the weldering of filling in body, forms the working lining of imitative leaf shape or dragonfly wing shape organism soft or hard, tough alternate structure.
2. the bionical abrasive roller of a kind of high tenacity according to claim 1; Its spy just is; The material of said reinforcing bar selects rolling carbon steel or low alloy steel, and bar diameter is 5-10mm, and said latticed body is square, rectangle or rhombus; Each body is arranged or is staggered for alignment and arranges, and the area of each grid body is the 80-120 square millimeter.
3. the bionical abrasive roller of a kind of high tenacity according to claim 1 and 2, its spy just is that the said antifriction alloy of filling out is hypereutectic high chromium cast iron commonly used; Its composition is by weight percentage: C:1.0-3.2, Mn:0.65, Si:0.71; P:0.013, S:0.012, Cr:50-69; Mo:0.05-0.8, Fe: surplus.
4. the bionical abrasive roller of a kind of high tenacity according to claim 1 and 2, its spy just is that the said antifriction alloy of filling out is the antifriction alloy that contains the vanadium material; Its composition is by weight percentage: C:0.8-1.0, Mn:0.65, Si:0.71; P:0.013, S:0.012, V:50-55; Mo:2-3, Fe: surplus.
5. the bionical abrasive roller of a kind of high tenacity according to claim 3, its spy just is that the said antifriction alloy of filling out is formed new alloy on the basis of hypereutectic high chromium cast iron commonly used, adding the 0.5-2 niobium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110361623 CN102389851B (en) | 2011-11-15 | 2011-11-15 | High toughness bionic wear resistant grinding roller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110361623 CN102389851B (en) | 2011-11-15 | 2011-11-15 | High toughness bionic wear resistant grinding roller |
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| CN102389851A true CN102389851A (en) | 2012-03-28 |
| CN102389851B CN102389851B (en) | 2013-10-30 |
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| CN 201110361623 Expired - Fee Related CN102389851B (en) | 2011-11-15 | 2011-11-15 | High toughness bionic wear resistant grinding roller |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111793A (en) * | 2013-02-27 | 2013-05-22 | 吉林大学 | Method for preparing great-depth bionic heteroplasmons on surfaces on thick-wall parts |
| CN104549654A (en) * | 2015-01-12 | 2015-04-29 | 溧阳中材重型机器有限公司 | Abrasion-resistant device between grinding roller sleeve and grinding table lining plate for vertical grinder |
| WO2015090146A1 (en) * | 2013-12-20 | 2015-06-25 | 苏州优霹耐磨复合材料有限公司 | Highly efficient grinding system with high wear resistance |
| CN109046614A (en) * | 2018-08-09 | 2018-12-21 | 天津市国民制药机械有限公司 | A kind of modern Chinese medicine Chinese medicine grinding device |
| CN109129170A (en) * | 2017-06-19 | 2019-01-04 | Mck股份有限公司 | Mixing roll piece, piece tectosome and the mixing roll including multiple mixing roll pieces |
| CN109182888A (en) * | 2018-07-10 | 2019-01-11 | 吉林大学 | The bionical components of the coupling of high temperature resistant erosive wear and its bionic surface preparation method |
| CN109677933A (en) * | 2019-03-05 | 2019-04-26 | 长春工业大学 | A kind of surface horizontal stripe air suspension formula glass base plate transport device |
| CN111514988A (en) * | 2020-04-26 | 2020-08-11 | 四川宇广能科技有限公司 | Grinding roller of Raymond mill and manufacturing method thereof |
| CN111559126A (en) * | 2020-05-14 | 2020-08-21 | 南昌航空大学 | Composite lining board and manufacturing method thereof |
Citations (4)
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| CN1125777A (en) * | 1995-10-31 | 1996-07-03 | 杭州临安耐磨件总厂 | Centrifugal compound wear-resistant roll and its production method |
| CN2691701Y (en) * | 2004-04-03 | 2005-04-13 | 淄博桓台金泰轧辊有限公司 | High chromium composite crushing roll |
| CN201711184U (en) * | 2010-04-01 | 2011-01-19 | 钱兵 | Coil mill millstone with metal ceramic compound |
| CN102211048A (en) * | 2010-04-09 | 2011-10-12 | 钱兵 | Medium speed mill grinding roller sleeve with metal-ceramic composite |
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2011
- 2011-11-15 CN CN 201110361623 patent/CN102389851B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125777A (en) * | 1995-10-31 | 1996-07-03 | 杭州临安耐磨件总厂 | Centrifugal compound wear-resistant roll and its production method |
| CN2691701Y (en) * | 2004-04-03 | 2005-04-13 | 淄博桓台金泰轧辊有限公司 | High chromium composite crushing roll |
| CN201711184U (en) * | 2010-04-01 | 2011-01-19 | 钱兵 | Coil mill millstone with metal ceramic compound |
| CN102211048A (en) * | 2010-04-09 | 2011-10-12 | 钱兵 | Medium speed mill grinding roller sleeve with metal-ceramic composite |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111793A (en) * | 2013-02-27 | 2013-05-22 | 吉林大学 | Method for preparing great-depth bionic heteroplasmons on surfaces on thick-wall parts |
| WO2015090146A1 (en) * | 2013-12-20 | 2015-06-25 | 苏州优霹耐磨复合材料有限公司 | Highly efficient grinding system with high wear resistance |
| CN104549654A (en) * | 2015-01-12 | 2015-04-29 | 溧阳中材重型机器有限公司 | Abrasion-resistant device between grinding roller sleeve and grinding table lining plate for vertical grinder |
| CN109129170A (en) * | 2017-06-19 | 2019-01-04 | Mck股份有限公司 | Mixing roll piece, piece tectosome and the mixing roll including multiple mixing roll pieces |
| CN109182888A (en) * | 2018-07-10 | 2019-01-11 | 吉林大学 | The bionical components of the coupling of high temperature resistant erosive wear and its bionic surface preparation method |
| CN109046614A (en) * | 2018-08-09 | 2018-12-21 | 天津市国民制药机械有限公司 | A kind of modern Chinese medicine Chinese medicine grinding device |
| CN109677933A (en) * | 2019-03-05 | 2019-04-26 | 长春工业大学 | A kind of surface horizontal stripe air suspension formula glass base plate transport device |
| CN111514988A (en) * | 2020-04-26 | 2020-08-11 | 四川宇广能科技有限公司 | Grinding roller of Raymond mill and manufacturing method thereof |
| CN111514988B (en) * | 2020-04-26 | 2023-08-15 | 四川宇广能科技有限公司 | Raymond mill grinding roller and manufacturing method thereof |
| CN111559126A (en) * | 2020-05-14 | 2020-08-21 | 南昌航空大学 | Composite lining board and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN102389851B (en) | 2013-10-30 |
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Granted publication date: 20131030 Termination date: 20191115 |