CN200957364Y - Composite-material abrasion-resisting rod - Google Patents
Composite-material abrasion-resisting rod Download PDFInfo
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- CN200957364Y CN200957364Y CN 200620135822 CN200620135822U CN200957364Y CN 200957364 Y CN200957364 Y CN 200957364Y CN 200620135822 CN200620135822 CN 200620135822 CN 200620135822 U CN200620135822 U CN 200620135822U CN 200957364 Y CN200957364 Y CN 200957364Y
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- outer tube
- composite
- abrasion
- proof stick
- nanostructured
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Abstract
The utility model discloses a composite material abrasive bar, which comprises a nanostructure metal wire (1), a constrictive outer tube (2) and an abrasive bar framework (3). The spiral flute of the abrasive bar framework (3) is mounted with the constrictive outer tube (2). The section of the constrictive outer tube (2) is processed into square or rectangle. Nanostructure metal wire (1) is fastened inside the outer tube (2). The nanostructure metal wire (1) and the constrictive outer tube (2) integrate with the abrasive bar framework (3) to become the composite material abrasive bar. With the application of nanostructure metal material featuring high tenacity, high strength, high anti-friction and low price etc., the service life of the utility model is higher than that of common one by one grade. The utility model has the advantages of high controllability, high yield, stable quality, low energy consumption, free of heat treatment and high functional performance.
Description
Technical field
The utility model relates to the plant equipment in general fragmentation, grinding, flotation, pulverizing field, particularly a kind of composite-material abrasive rod that is used for rod mill.
Background technology
Rod mill is widely used in the operations such as fragmentation in the industrial trades such as coal, metallurgy, mine, electric power, building materials, refractory material, the energy, powder process, flotation, grinding.Abrasion-proof stick impacts the grinding charge material in rod mill and grinds, and the abrasion-proof stick surface is produced cutting to abrasive material and cutter is cut effect, so abrasion-proof stick is a topmost wear-out part in the rod mill, the demand in domestic every year is more than 100,000 tons.The used abrasion-proof stick material of every profession and trade mainly contains several single metal material such as potassium steel, multi-element low alloy steel, Cr series white cast iron at present.Potassium steel realize austenite to martensitic solid-state phase changes and work hardening just can be given full play to its wearability, and yield strength is low, easily produces plastic flow only under high load capacity, high impact stresses.And in rod mill, frotton is to impact mutually indirectly by the abrasive material accumulation horizon, and impact strength is less, and drawing hardening effect is not remarkable, so wearability does not reach ideal value; The macrohardness of multi-element low alloy steel because hardness is low, can not be resisted being pressed into and paddling of abrasive material about HRC40, in use the surface produces a large amount of cutting and flow low-cycle fatigue, so wearability is bad; Carbon steel hardness and toughness are also bad to be taken into account, and is difficult to competent abrasion-proof stick and carefully grows wear-resisting again requirement.In recent years, concrete operating mode and resource situation at the abrasion-proof stick wearing and tearing, mainly launch research in aspects such as alloying, Technology for Heating Processing, smelting pouring technology more both at home and abroad in chemical composition, develop multiple high-abrasive material, mainly contain modified high manganese steel, medium managese steel, ultra-high manganese steel series, high, medium and low carbon wear-resisting alloy steel series, but because single material can not take into account various field working conditions at aspect mechanical mechanics properties such as intensity, hardness, plasticity and toughness and have specific (special) requirements, so useful life is still very short or be difficult to satisfy the needs of various operating modes.In addition, above-described alloy wear-resisting rod will consume non-ferrous metals such as a large amount of manganese, chromium, nickel, copper, causes the national strategy resources reserve to reduce.The Chinese patent " rod mill composite abrasion-proof stick " of applicant's application, the patent No. " ZL97239713.2 ", adopt the combination process of reinforcing bar and wear resistant cast iron, performance indications such as the impact resistance of abrasion-proof stick, mar proof are improved and improved, but at different operating modes, also need to carry out deep research, develop a kind of new composite-material abrasive rod that is used for rod mill, further improve the serviceability of rod mill from aspects such as material, structure and manufacturing process.
Summary of the invention
The purpose of this utility model is to develop and a kind ofly can satisfies compound working condition requirements such as various impacts, burn into wearing and tearing, has long service life, composite-material abrasive rod series of products that price is low.
Technical solution of the present utility model is achieved in that
The utility model by nanostructured metal silk (1), tighten outer tube (2), abrasion-proof stick skeleton (3) is composited.Be inlaid with in the helicla flute of this abrasion-proof stick skeleton (3) and tighten outer tube (2), square or rectangular is processed in this cross section of tightening outer tube (2), tightens and is fastened with nanostructured metal silk (1) in the outer tube (2); Nanostructured metal silk (1), tighten that outer tube (2) and abrasion-proof stick skeleton (3) are compound to be one, promptly make the composite-material abrasive rod.
Technical solution of the present utility model can also realize like this:
The diameter of nanostructured metal silk (1) is 0.1～2.5mm; This nanostructured metal silk (1) can be selected mild steel, medium carbon steel, the high-carbon steel wire of nanostructured for use, perhaps selects the basic, normal, high carbon alloy steel wire of nanostructured for use, perhaps selects the wire of the metastable material of nanostructured manganese steel for use.
Tightening outer tube (2) adopts the A3 steel to do; Its wall thickness is 1～4mm.Square or rectangular is processed in this cross section of tightening outer tube (2), and foursquare length and width are of a size of 10 * 10～40 * 40mm, and rectangular length and width are of a size of 10 * 20～20 * 60mm.
Abrasion-proof stick skeleton (3) adopts the A3 steel to do.The angle of abrasion-proof stick skeleton (3) helicla flute and cross section is 10～45 °; The spiral fluted degree of depth is 1/5～1/3 of an abrasion-proof stick diameter.
The utlity model has following advantage:
1, in the helicla flute of abrasion-proof stick skeleton, is inlaid with the outer tube of tightening that inside is fastened with the nanostructured metal silk, this is tightened outer tube and constitutes wear-resistant hard face, can stop abrasive grain being pressed into and paddling of abrasion-proof stick working face, thereby make abrasion-proof stick have very high anti-wear performance.
2, the utility model has been given full play to the various advantages such as high tenacity, high strength, high abrasion and low price of nano structure metal materials, and has solved the problem that common alloy wear-resisting rod will consume a large amount of non-ferrous metals.
3, composite molding technique controllability of the present utility model is strong, yield rate is high, the quality of production is stable, energy consumption is low, do not need can obtain very high serviceability through technologies such as Overheating Treatment.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail:
Fig. 1 is that embodiment 1 faces generalized section;
Fig. 2 is that embodiment 1 product amalgamation launches schematic diagram;
Fig. 3 is that embodiment 2 product amalgamations launch schematic diagram;
Fig. 4 tightens the outer tube elevational schematic view among the embodiment.
The specific embodiment
Embodiment 1:
A kind of composite-material abrasive rod is referring to Fig. 1 and Fig. 2.It mainly by nanostructured metal silk 1, tighten outer tube 2, abrasion-proof stick skeleton 3 is composited.Abrasion-proof stick skeleton 3 adopts the A3 steel to do, and (or towards having) helicla flute is carved with on abrasion-proof stick skeleton 3 surfaces, is inlaid with in this helicla flute and tightens outer tube 2.According to the requirement of different operating modes, the angle of abrasion-proof stick skeleton 3 helicla flutes and cross section is generally 10～45 °, and present embodiment is 15 °; The spiral fluted degree of depth is generally elected 1/5～1/3 of abrasion-proof stick diameter as, and present embodiment is 1/5.
Tighten outer tube 2 and adopt the A3 steel to do, different according to the abrasion-proof stick specification with operating mode, square or rectangular is processed in the cross section of tightening outer tube 2, wall thickness is generally 1～4mm.Square is processed in the cross section of tightening outer tube 2 of present embodiment, and square is tightened the length and width size of outer tube 2 can elect 10 * 10～40 * 40mm as, and its height dimension is identical with abrasion-proof stick skeleton 3 spiral fluted depth dimensionses.
Tighten and be fastened with nanostructured metal silk 1 in the outer tube 2.The diameter of nanostructured metal silk 1 is 0.1～2.5mm.This nanostructured metal silk 1 can be selected mild steel, medium carbon steel, the high-carbon steel wire of nanostructured for use, perhaps select the basic, normal, high carbon alloy steel wire of nanostructured for use, perhaps select the wire of the metastable material of nanostructured manganese steel for use, also can select the corresponding metal wire material for use.With nanostructured metal silk 1, tighten that outer tube 2 and abrasion-proof stick skeleton 3 are compound to be one, promptly make composite-material abrasive rod series of products.
The making step of present embodiment composite abrasion-proof stick is as follows:
A. according to different operating mode needs, select the metal material of heterogeneity for use, processing diameter with the wire-drawing equipment drawing is 0.1～2.5mm nanostructured metal silk 1;
B. nanostructured metal silk 1 is adopted pickling or acetone mode of washing, carry out surface derusting, scrubbing, remove the wet goods processing;
C. according to the abrasion-proof stick specification, determine to tighten the appearance and size and the wall thickness of outer tube 2; The nanostructured metal silk 1 of some closely is fixed on tightens in the outer tube 2, and this is tightened outer tube 2, and to be processed into the cross section be square or rectangular, referring to Fig. 4;
D. according to the abrasion-proof stick specification, determine diameter, length and the material of bar, with lathe bar is processed into and has spiral fluted abrasion-proof stick skeleton 3; This spiral fluted width and the degree of depth and above-mentioned finished cross section are that the outer tube 2 of tightening of square or rectangular is complementary;
E. the above-mentioned rectangle of making being tightened outer tube 2 closely is embedded in abrasion-proof stick skeleton 3 helicla flutes;
F. be welded into abrasion-proof stick skeleton 3 and the outer tube 2 usefulness brazings of tightening that closely are embedded in the helicla flute as a whole, the reconditioning surface is to the technological requirement size, promptly makes nanostructured metal silk 1, tightens that outer tube 2 and abrasion-proof stick skeleton 3 are compound to be the composite abrasion-proof stick series of products of one.
Embodiment 2:
A kind of composite-material abrasive rod is referring to Fig. 3 and Fig. 4.It mainly by nanostructured metal silk 1, tighten outer tube 2, abrasion-proof stick skeleton 3 is composited.Abrasion-proof stick skeleton 3 adopts the A3 steel to do, and abrasion-proof stick skeleton 3 Surface Machining have helicla flute, are inlaid with in this helicla flute to tighten outer tube 2.According to the requirement of different operating modes, the angle of helicla flute and cross section is 45 °; The spiral fluted degree of depth is 1/3 of an abrasion-proof stick diameter.
Tighten outer tube 2 and adopt the A3 steel to do, wall thickness is generally 1～4mm.Different with operating mode according to the abrasion-proof stick specification, present embodiment is tightened outer tube 2 cross sections and is processed into rectangle, and rectangle is tightened the length and width size of outer tube 2 can elect 10 * 20～20 * 60mm as; Its height dimension is identical with abrasion-proof stick skeleton 3 spiral fluted depth dimensionses.
Tighten and be fastened with nanostructured metal silk 1 in the outer tube 2, the diameter of nanostructured metal silk 1 is 0.1～2.5mm.This nanostructured metal silk 1 can be selected mild steel, medium carbon steel, the high-carbon steel wire of nanostructured for use, perhaps select the basic, normal, high carbon alloy steel wire of nanostructured for use, perhaps select the wire of the metastable material of nanostructured manganese steel for use, also can select the corresponding metal wire material for use.With nanostructured metal silk 1, tighten that outer tube 2 and abrasion-proof stick skeleton 3 are compound to be one, promptly make the composite-material abrasive rod.
The making step of present embodiment composite abrasion-proof stick is with embodiment 1.
Embodiment of the present utility model is not limited to the foregoing description.
Claims (9)
1, a kind of composite-material abrasive rod, it is characterized in that: in the helicla flute of this abrasion-proof stick skeleton (3), be inlaid with and tighten outer tube (2), square or rectangular is processed in this cross section of tightening outer tube (2), tightens and is fastened with nanostructured metal silk (1) in the outer tube (2); Nanostructured metal silk (1), tighten that outer tube (2) and abrasion-proof stick skeleton (3) are compound to be one, promptly make the composite-material abrasive rod.
2, composite-material abrasive rod according to claim 1 is characterized in that: the diameter of nanostructured metal silk (1) is 0.1～2.5mm.
3, composite-material abrasive rod according to claim 1, it is characterized in that: nanostructured metal silk (1) is selected mild steel, medium carbon steel, the high-carbon steel wire of nanostructured for use, the perhaps basic, normal, high carbon alloy steel wire of nanostructured, the perhaps wire of the metastable material of nanostructured manganese steel.
4, composite-material abrasive rod according to claim 1 is characterized in that: tighten outer tube (2) and adopt the A3 steel to do.
5, composite-material abrasive rod according to claim 1 is characterized in that: tightening outer tube (2) wall thickness is 1～4mm.
6, composite-material abrasive rod according to claim 1 is characterized in that: the length and width that square is tightened outer tube (2) are of a size of 10 * 10～40 * 40mm, and the length and width that rectangle is tightened outer tube (2) are of a size of 10 * 20～20 * 60mm.
7, composite-material abrasive rod according to claim 1 is characterized in that: abrasion-proof stick skeleton (3) adopts the A3 steel to do.
8, composite-material abrasive rod according to claim 1 is characterized in that: the angle of abrasion-proof stick skeleton (3) helicla flute and cross section is 10～45 °.
9, composite-material abrasive rod according to claim 1 is characterized in that: abrasion-proof stick skeleton (3) the spiral fluted degree of depth is 1/5～1/3 of an abrasion-proof stick diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620135822 CN200957364Y (en) | 2006-09-19 | 2006-09-19 | Composite-material abrasion-resisting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620135822 CN200957364Y (en) | 2006-09-19 | 2006-09-19 | Composite-material abrasion-resisting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200957364Y true CN200957364Y (en) | 2007-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620135822 Expired - Fee Related CN200957364Y (en) | 2006-09-19 | 2006-09-19 | Composite-material abrasion-resisting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200957364Y (en) |
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2006
- 2006-09-19 CN CN 200620135822 patent/CN200957364Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tongchuan Zhongxing Material Co., Ltd. Assignor: Xi'an Architectural Sci & Tech. Univ. Contract fulfillment period: 2009.4.1 to 2015.2.2 Contract record no.: 2009610000070 Denomination of utility model: Composite-material abrasion-resisting rod Granted publication date: 20071010 License type: Exclusive license Record date: 20091127 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.1 TO 2015.2.2; CHANGE OF CONTRACT Name of requester: TONGCHUAN ZHONGXIN MATERIALS CO., LTD Effective date: 20091127 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20091019 |