CN102302963A - High-chromium cast-iron conical sand making machine and method for manufacturing high-chromium crushing wall assembly - Google Patents
High-chromium cast-iron conical sand making machine and method for manufacturing high-chromium crushing wall assembly Download PDFInfo
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- CN102302963A CN102302963A CN201110296759A CN201110296759A CN102302963A CN 102302963 A CN102302963 A CN 102302963A CN 201110296759 A CN201110296759 A CN 201110296759A CN 201110296759 A CN201110296759 A CN 201110296759A CN 102302963 A CN102302963 A CN 102302963A
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Abstract
The invention relates to a high-chromium cast-iron conical sand making machine and a method for manufacturing a high-chromium crushing wall assembly, in which high-chromium wear-resistant white cast iron is used for manufacturing a rolled mortar wall/crushing wall assembly in a conical sand making machine, so that the wear-resistant properties of a rolled mortar wall and a crushing wall are increased by several times. The high-chromium cast-iron conical sand making machine disclosed by the invention comprises a conical sand making machine, a rolled mortar wall in the conical sand making machine is made of high-chromium wear-resistant white cast iron of which the chromium content is greater than or equal to 9% and less than or equal to 32%; and a crushing wall in the conical sand making machine is made of high-chromium wear-resistant white cast iron of which the chromium content is greater than or equal to 9% and less than or equal to 32%. The method disclosed by the invention has the advantages that: 1, the wear-resistant property of the crushing wall is greatly improved and is about five times larger than that of the current high manganese steel crushing wall, therefore, the service life of the crushing wall is prolonged and the application cost of users is reduced; and 2, an effect of improving the impact resistance of the high-chromium wear-resistant white cast iron crushing wall by using a physical structure is achieved, the impact force on the high-chromium wear-resistant white cast iron crushing wall is slowly released, and the problem that the high-chromium wear-resistant white cast iron crushing wall subjected to impact is easy to damage is solved.
Description
Technical field
The present invention relates to a kind ofly the high chromium white antifriction cast iron is used for rich chromium cast iron conical sand making crusher machine wall makes; Make broken wall abrasion resistance improve the rich chromium cast iron conical sand making machine and the broken wall assembly of the high chromium preparation method of several times, belong to rich chromium cast iron conical sand making machine and make the field.
Background technology
Be in the high cast iron of 3c one 21cr of theoretical research stage at present, in conjunction with all kinds of tups of disintegrating machine, the bimetallic composite hammer head that 3c one 21Cr rich chromium cast iron and all kinds of carbon steel (containing 45# cast steel, 35# cast steel, 30# cast steel), potassium steel, low-alloy steel etc. are formed." biliquid " double-metal composite casting process that adopts in the research and the Technology for Heating Processing of composite casting have guaranteed that bimetallic combines the metallurgical binding and the metallurgical quality at position; The binding site of guaranteeing bimetallic material simultaneously is the boundary; Each person still keeps the characteristic of each person's metal material, makes the bimetallic composite hammer head in use reach safe, reliable, durable, economic target.But this method can't be used for the manufacturing of broken wall of rich chromium cast iron conical sand making machine and broken wall assembly, and broken wall is prone to cause the breakage of broken wall in the power that receives when impacting in the slowly-releasing system of the having no idea sand process, uses the utmost point life-span short.
Summary of the invention
Purpose of design: avoid the weak point in the background technology, design a kind of high-wearing feature that both had, have the broken wall assembly of long-life rich chromium cast iron conical sand making machine and rich chromium cast iron rolled mortar wall and rich chromium cast iron preparation method again.
Design: in order to realize above-mentioned purpose of design.1, the wear-resistant sleeve in the broken wall adopts the design that the high chromium white antifriction cast iron is made, and is one of technical characterictic of the present invention.The purpose of doing like this is: the M that contains high rigidity in the high-chromium white cast iron tissue
7C
3Type eutectic carbide (20-30%); The characteristics that show the high-wearing feature part; Yet fracture in use appears in the low parts of hard and crisp toughness; Unreliable, dangerous phenomenon such as fragmentation; Had a strong impact on the rich chromium cast iron scope of application with good abrasion resistance, toughness, the high performance of improving rich chromium cast iron is to smelt the worker to make every effort to the problem that solves for a long time.Round this problem anxious to be solved; Done a large amount of work both at home and abroad; Its common ground is to attempt to change the shape (spheroidizing, group's nodularization, vermiformization etc.) of eutectic carbide; Change in the cast iron graphite and have form (flake graphite changes over spherical or rolls into a ball cotton-shaped or vermiform etc.) and bring the effect nl that increases substantially the cast iron mechanical property to obtain being similar to; Yet result of study is not ideal enough; Instability can't be used for suitability for industrialized production.Secondly; In the high-chromium white cast iron matrix; Because the eutectic carbide of the chromium of high rigidity is separated out in dispersion; Show higher hardness and good shock-resistant abrasive wear ability; Yet owing to contain the existence of the eutectic carbide of the higher chromium of 20-30% high rigidity fragility in the microscopic structure; This toughness of material can be said to be lower; In the strong abrasive wear environment of HI high impact; Its serviceability is dangerous; Unreliable, therefore; The cast iron of Gao Ge can't be used for HI high impact wearing and tearing field so far, also receives very big restriction in HI high impact abrasive wear Application for Field.2, the packed layer between broken wall and the broken wall backing plate is the design of zinc alloy layer, is two of technical characterictic of the present invention.The purpose of doing like this is: kirsite is to be that the basis adds the alloy that other elements are formed with zinc.The alloying element that often adds has low temperature kirsites such as aluminium, copper, magnesium, cadmium, lead, titanium.The kirsite characteristics are: fusing point is low; Good fluidity; Be prone to melting welding; Soldering and plastic working; Corrosion-resistant in atmosphere, the present invention utilizes the These characteristics of kirsite just, and the kirsite of fusion is poured between broken wall and the broken wall backing plate; Gap between broken wall and the broken wall backing plate is filled by the kirsite densification fully, form the kirsite packed layer.This kirsite packed layer not only has the characteristic of general zinc die casting alloys; And intensity is high; Good casting property, cooling velocity does not have obvious influence to mechanical property, and cast gate is simple; To overheated insensitive with remelting; Therefore shrinkage factor is little, and pore is few, receives the outside when going out when broken wall; The impact that the broken wall of its tapering circulus itself can make the part receive is shifted moving broken wall and all and through intermediate filling layer is absorbed, thereby reaches the breakage of avoiding the high chromium white antifriction cast iron through frame for movement.3, broken wall backing plate adopts potassium steel to make, and is three of technical characterictic of the present invention.The purpose of doing like this is: when the potassium steel of austenite structure received shock loading, plastic deformation took place in the metal surface, and the result of working hardening has tangible work hardening phenomenon in deformation layer, and surface hardness increases substantially.When hanging down shock loading, HB300～400 can be reached, during high impact loads, HB500～800 can be reached.With the difference of shock loading, the cementation zone degree of depth can reach 10～20mm.The hardened layer of high rigidity can be resisted impact abrasive wear.Because of potassium steel under thump abrasive wear condition; Excellent abrasion resistance is arranged; The present invention is with this backing plate as the broken wall of high chromium white antifriction cast iron; Not only can form good wear-resisting coupling with the broken wall of high chromium white antifriction cast iron; And potassium steel has good toughness; It is the impulsive force that receives of the broken wall of slowly-releasing high chromium white antifriction cast iron effectively, avoids the breakage of the broken wall of high chromium white antifriction cast iron.
Technical scheme 1: a kind of rich chromium cast iron conical sand making machine, it comprises the conical sand making machine, the rolled mortar wall material in the said conical sand making machine is the high chromium white antifriction cast iron, its chromium content more than or equal to or 9%, be equal to or less than 32%; Broken wall material in the said conical sand making machine is the high chromium white antifriction cast iron, its chromium content more than or equal to or 9%, be equal to or less than 32%.
Technical scheme 2: a kind of rich chromium cast iron conical sand making machine, it comprises the conical sand making machine, high chromium white antifriction cast iron rolled mortar wall and the gap packed layer between the rolled mortar wall backing plate in the said conical sand making machine are zinc alloy layer; Gap packed layer between broken wall of high chromium white antifriction cast iron in the said conical sand making machine and the broken wall backing plate is a zinc alloy layer.
Technical scheme 3: the broken wall preparation method of the special-purpose high chromium of a kind of cone sand making machine; ⑴ high chromium white antifriction cast iron rolled mortar wall and the cast form of rolled mortar wall backing plate; Carry out fine finishining then, and have many pouring grooves that are used to water kirsite at rolled mortar wall backing plate and high chromium white antifriction cast iron rolled mortar wall matching surface; ⑵ high chromium white antifriction cast iron rolled mortar wall and the rolled mortar wall backing plate after with fine finishining carries out suit; Then with the kirsite fused solution; Pour in the gap or cavity between high chromium white antifriction cast iron rolled mortar wall and the rolled mortar wall backing plate from many pouring grooves then, get final product behind the cooling forming; ⑶ fine finishining is carried out in broken wall of high chromium white antifriction cast iron and the cast form of broken wall backing plate then, and has many pouring grooves that are used to water kirsite at broken wall backing plate and the broken wall matching surface of high chromium white antifriction cast iron; ⑷ broken wall of the high chromium white antifriction cast iron after with fine finishining and broken wall backing plate carry out suit; Then with the kirsite fused solution; Pour in the gap or cavity between broken wall of high chromium white antifriction cast iron and the broken wall backing plate from many pouring grooves then, get final product behind the cooling forming.
The present invention compares with background technology, and the one, broken wall anti-wear performance improves greatly, and its wearability is about 5 times of the broken wall of present potassium steel, not only prolong greatly service life, and user's use cost reduces significantly; The 2nd, realized that the structure with physics has improved the impact resistance of the broken wall of high chromium white antifriction cast iron, effectively slowly-releasing the suffered impulsive force of the broken wall of high chromium white antifriction cast iron, solved the be hit defective of cracky of the broken wall of high chromium white antifriction cast iron.
Description of drawings
Fig. 1 is the structural representation of rich chromium cast iron conical sand making machine.
Fig. 2 is the partial structurtes sketch map of high chromium white antifriction cast iron rolled mortar wall.
Fig. 3 is an A-A sectional structure sketch map among Fig. 1.
The partial structurtes sketch map of Fig. 4 rolled mortar wall backing plate.
A-A sectional structure sketch map among Fig. 5 Fig. 4.
Fig. 6 is the structural representation of the kirsite perfusion of rolled mortar wall and rolled mortar wall backing plate formation.
Fig. 7 is the sectional structure sketch map of the broken wall of high chromium white antifriction cast iron.
The partial structurtes sketch map of the broken wall backing plate of Fig. 8.
Fig. 9 is the structural representation of the kirsite perfusion of broken wall and broken wall backing plate formation.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1-2 and Fig. 7-8.Rolled mortar wall 1 material in the said conical sand making machine is the high chromium white antifriction cast iron, its chromium content more than or equal to or 9%, be equal to or less than 32%; Broken wall 101 materials in the said conical sand making machine are the high chromium white antifriction cast iron, its chromium content more than or equal to or 9%, be equal to or less than 32%.Be equal to or less than 32%, promptly 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30, and comprise the decimal point between two integers.
Embodiment 2: with reference to accompanying drawing 1--9.A kind of rich chromium cast iron conical sand making machine, it comprises the conical sand making machine, high chromium white antifriction cast iron rolled mortar wall 1 in the said conical sand making machine and the gap packed layer between the rolled mortar wall backing plate 3 are zinc alloy layer 2; Gap packed layer between broken wall 101 of high chromium white antifriction cast iron in the said conical sand making machine and the broken wall backing plate 103 is a zinc alloy layer 102.Said high chromium white antifriction cast iron rolled mortar wall 1 has many pouring grooves 4 that are used to water kirsite with the matching surface of rolled mortar wall backing plate 3; The broken wall 101 of said high chromium white antifriction cast iron has many pouring grooves 104 that are used to water kirsite with the matching surface of broken wall backing plate 103.Said rolled mortar wall backing plate 3 adopts potassium steel to make; Said broken wall backing plate 103 adopts potassium steel to make.Said rolled mortar wall backing plate 3 has many pouring grooves 4 that are used to water kirsite with the matching surface of high chromium white antifriction cast iron rolled mortar wall 1; Said broken wall backing plate 3 has many pouring grooves 104 that are used to water kirsite with the matching surface of the broken wall 101 of high chromium white antifriction cast iron.
Embodiment 3: on the basis of embodiment 1 and 2, the gap packed layer between said broken wall backing plate 103 and the mantle body 105 is a zinc alloy layer 102.Said broken wall backing plate 103 has many pouring grooves 104 that are used to water kirsite with the matching surface of mantle body 105.
Embodiment 4: with reference to accompanying drawing 1,6 and Fig. 7,9.On the basis of embodiment 1 and 2; The preparation method of the broken wall of the special-purpose rich chromium cast iron rolled mortar wall of a kind of cone sand making machine; It is characterized in that: ⑴ high chromium white antifriction cast iron rolled mortar wall 1 and 3 cast forms of rolled mortar wall backing plate; Carry out fine finishining then, and have many pouring grooves 4 that are used to water kirsite at rolled mortar wall backing plate 3 and high chromium white antifriction cast iron rolled mortar wall 1 matching surface; ⑵ the high chromium white antifriction cast iron rolled mortar wall 1 after with fine finishining carries out suit with rolled mortar wall backing plate 3; Then with the kirsite fused solution; Pour in the gap or cavity between high chromium white antifriction cast iron rolled mortar wall 1 and the rolled mortar wall backing plate 3 from many pouring grooves then, get final product behind the cooling forming; ⑶ broken wall 101 of high chromium white antifriction cast iron and broken wall backing plate 103 cast forms carry out fine finishining then, and have many pouring grooves 104 that are used to water kirsite at broken wall 101 matching surfaces of broken wall backing plate 103 and high chromium white antifriction cast iron; ⑷ the broken wall 101 of the high chromium white antifriction cast iron after with fine finishining carries out suit with broken wall backing plate 103; Then with the kirsite fused solution; Pour in the gap or cavity between broken wall 101 of high chromium white antifriction cast iron and the broken wall backing plate 103 from many pouring grooves then, get final product behind the cooling forming.Said kirsite is the gravity cast zinc alloy.
Embodiment 5: on the basis of embodiment 3 and 4; Broken wall backing plate 103 after the fine finishining is enclosed within on the mantle body 105; With the kirsite fused solution, pour in the gap or cavity between broken wall backing plate 103 and the mantle body 105 from many pouring grooves then then, get final product behind the cooling forming.
What need understand is: though the foregoing description is to the mentality of designing of the present invention detailed text description of contrasting; But these text descriptions; Just the simple text of mentality of designing of the present invention is described; Rather than to the restriction of mentality of designing of the present invention; Any combination, increase or modification that does not exceed mentality of designing of the present invention all falls in protection scope of the present invention.
Claims (10)
1. rich chromium cast iron conical sand making machine, it comprises the conical sand making machine, it is characterized in that: the rolled mortar wall material in the said conical sand making machine is the high chromium white antifriction cast iron, its chromium content more than or equal to or 9%, be equal to or less than 32%; Broken wall material in the said conical sand making machine is the high chromium white antifriction cast iron, its chromium content more than or equal to or 9%, be equal to or less than 32%.
2. rich chromium cast iron conical sand making machine, it comprises the conical sand making machine, it is characterized in that: high chromium white antifriction cast iron rolled mortar wall and the gap packed layer between the rolled mortar wall backing plate in the said conical sand making machine are zinc alloy layer; Gap packed layer between broken wall of high chromium white antifriction cast iron in the said conical sand making machine and the broken wall backing plate is a zinc alloy layer.
3. rich chromium cast iron conical sand making machine according to claim 2 is characterized in that: the matching surface of said high chromium white antifriction cast iron rolled mortar wall and rolled mortar wall backing plate has many pouring grooves that are used to water kirsite; The matching surface of broken wall of said high chromium white antifriction cast iron and broken wall backing plate has many pouring grooves that are used to water kirsite.
4. rich chromium cast iron conical sand making machine according to claim 2 is characterized in that: said rolled mortar wall backing plate adopts potassium steel to make; Said broken wall backing plate adopts potassium steel to make.
5. rich chromium cast iron conical sand making machine according to claim 2 is characterized in that: the matching surface of said rolled mortar wall backing plate and high chromium white antifriction cast iron rolled mortar wall has many pouring grooves that are used to water kirsite; The matching surface of the broken wall of said broken wall backing plate and high chromium white antifriction cast iron has many pouring grooves that are used to water kirsite.
6. rich chromium cast iron cone sand making machine according to claim 1 is characterized in that: the gap packed layer between said broken wall backing plate and the mantle body is a zinc alloy layer.
7. rich chromium cast iron cone sand making machine according to claim 1 is characterized in that: the matching surface of said broken wall backing plate and mantle body has many pouring grooves that are used to water kirsite.
8. the preparation method of the broken wall of the special-purpose rich chromium cast iron rolled mortar wall of a cone sand making machine; It is characterized in that: ⑴ high chromium white antifriction cast iron rolled mortar wall and the cast form of rolled mortar wall backing plate; Carry out fine finishining then, and have many pouring grooves that are used to water kirsite at rolled mortar wall backing plate and high chromium white antifriction cast iron rolled mortar wall matching surface; ⑵ high chromium white antifriction cast iron rolled mortar wall and the rolled mortar wall backing plate after with fine finishining carries out suit; Then with the kirsite fused solution; Pour in the gap or cavity between high chromium white antifriction cast iron rolled mortar wall and the rolled mortar wall backing plate from many pouring grooves then, get final product behind the cooling forming; ⑶ fine finishining is carried out in broken wall of high chromium white antifriction cast iron and the cast form of broken wall backing plate then, and has many pouring grooves that are used to water kirsite at broken wall backing plate and the broken wall matching surface of high chromium white antifriction cast iron; ⑷ broken wall of the high chromium white antifriction cast iron after with fine finishining and broken wall backing plate carry out suit; Then with the kirsite fused solution; Pour in the gap or cavity between broken wall of high chromium white antifriction cast iron and the broken wall backing plate from many pouring grooves then, get final product behind the cooling forming.
9. the preparation method of the broken wall of the special-purpose rich chromium cast iron rolled mortar wall of cone sand making machine according to claim 8; It is characterized in that: the broken wall backing plate after the fine finishining is enclosed within on the mantle body; Then with the kirsite fused solution; Pour in the gap or cavity between broken wall backing plate and the mantle body from many pouring grooves then, get final product behind the cooling forming.
10. the preparation method of the broken wall of the special-purpose rich chromium cast iron rolled mortar wall of cone sand making machine according to claim 8, it is characterized in that: said kirsite is the gravity cast zinc alloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110296759A CN102302963A (en) | 2011-09-30 | 2011-09-30 | High-chromium cast-iron conical sand making machine and method for manufacturing high-chromium crushing wall assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110296759A CN102302963A (en) | 2011-09-30 | 2011-09-30 | High-chromium cast-iron conical sand making machine and method for manufacturing high-chromium crushing wall assembly |
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| CN102302963A true CN102302963A (en) | 2012-01-04 |
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| CN201110296759A Pending CN102302963A (en) | 2011-09-30 | 2011-09-30 | High-chromium cast-iron conical sand making machine and method for manufacturing high-chromium crushing wall assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531150A (en) * | 2020-06-02 | 2020-08-14 | 含山县大力精密机械有限公司 | Device and method for machining surface of double-metal crushing wall of cone crusher |
| CN116967405A (en) * | 2023-08-18 | 2023-10-31 | 重庆博悦机械制造有限公司 | Cone crushing wall and method for producing same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531150A (en) * | 2020-06-02 | 2020-08-14 | 含山县大力精密机械有限公司 | Device and method for machining surface of double-metal crushing wall of cone crusher |
| CN116967405A (en) * | 2023-08-18 | 2023-10-31 | 重庆博悦机械制造有限公司 | Cone crushing wall and method for producing same |
| CN116967405B (en) * | 2023-08-18 | 2024-04-16 | 重庆博悦机械制造有限公司 | Cone crushing wall and method for producing same |
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Application publication date: 20120104 |