CN102397799A - Ultra-strong high-chromium cast iron cone sand making machine - Google Patents
Ultra-strong high-chromium cast iron cone sand making machine Download PDFInfo
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- CN102397799A CN102397799A CN2011102926129A CN201110292612A CN102397799A CN 102397799 A CN102397799 A CN 102397799A CN 2011102926129 A CN2011102926129 A CN 2011102926129A CN 201110292612 A CN201110292612 A CN 201110292612A CN 102397799 A CN102397799 A CN 102397799A
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Abstract
The invention relates to manufacturing of a rolling mortar wall assembly by using high-chromium white abrasion-resistant cast iron in a cone sand making machine, in particular to an ultra-strong high-chromium cast iron cone sand making machine capable of improving the abrasion resistance of a rolling mortar wall by multiple times. The rolling mortar wall in the cone sand making machine is made of high-chromium white abrasion-resistant cast iron, and the chromium content is more than or equal to 9 percent, or equal to or less than 32 percent; mesh bars are arranged in the high-chromium white abrasion-resistant cast iron rolling mortar wall; a smashing wall in the cone sand making machine is made of high-chromium white abrasion-resistant cast iron, and the chromium content is more than or equal to 9 percent, or equal to or less than 32 percent; and mesh bars are arranged in the high-chromium white abrasion-resistant cast iron smashing wall. The ultra-strong high-chromium cast iron cone sand making machine has the advantages: I, the smashing wall of the rolling mortar wall has high abrasion resistance, which is about 5 times that of the smashing wall of the conventional high-manganese steel rolling mortar wall, the service life is long, and the using cost is low; and II, the impact resistance of the high-chromium white abrasion-resistant cast iron rolling mortar wall is improved by using a physical structure, the impact force on the high-chromium white abrasion-resistant cast iron rolling mortar wall is released, and the defect of easiness in damaging the high-chromium white abrasion-resistant cast iron rolling mortar wall by impact is overcome.
Description
Technical field
The present invention relates to a kind ofly the high chromium white antifriction cast iron is used for superpower rich chromium cast iron conical sand making machine rolled mortar wall makes, make the rolled mortar wall abrasion resistance improve the superpower rich chromium cast iron conical sand making machine of several times, belong to the 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, use all kinds of tups, 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 in conjunction with disintegrating machine." 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 superpower rich chromium cast iron conical sand making machine rolled mortar wall and rolled mortar wall assembly, and rolled mortar wall is prone to cause the breakage of rolled mortar 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 long-life superpower rich chromium cast iron conical sand making machine again.
Design: in order to realize above-mentioned purpose of design.1, the wear-resistant sleeve in the rolled mortar 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 has had a strong impact on the rich chromium cast iron scope of application with good abrasion resistance, and 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 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 rolled mortar wall and the rolled mortar 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, and good fluidity is 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 rolled mortar wall and the rolled mortar wall backing plate; Gap between rolled mortar wall and the rolled mortar 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 rolled mortar wall; The impact that the rolled mortar wall of its tapering circulus itself can make the part receive is shifted moving rolled mortar 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, the rolled mortar 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 not only can form good wear-resisting coupling with high chromium white antifriction cast iron rolled mortar wall, and potassium steel has good toughness with this backing plate as high chromium white antifriction cast iron rolled mortar wall; It is the impulsive force that receives of slowly-releasing high chromium white antifriction cast iron rolled mortar wall effectively, avoids the breakage of high chromium white antifriction cast iron rolled mortar wall.4, being cast with the design of net muscle in the high chromium white antifriction cast iron rolled mortar wall, is four of technical characterictic of the present invention.The purpose of doing like this is: this net muscle can be to the M in the high-chromium white cast iron tissue
7C
3The type eutectic carbide plays the effect of reinforcement, improves high-chromium white cast iron toughness, and then reduces the thickness and the manufacturing cost of high-chromium white cast iron rolled mortar wall.
Technical scheme 1: a kind of superpower rich chromium cast iron conical sand making machine; It comprises the conical sand making machine, and 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%, high chromium white antifriction cast iron rolled mortar wall is built-in with the net muscle; 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%, the broken wall of high chromium white antifriction cast iron is built-in with the net muscle.
Technical scheme 2: a kind of superpower rich chromium cast iron conical sand making machine, it comprises the conical sand making machine, and 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, and rolled mortar wall is built-in with the net muscle; 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, and broken wall is built-in with the net muscle.
Technical scheme 3: the broken wall preparation method of the special-purpose high chromium casting of a kind of superpower rich chromium cast iron conical sand making machine rolled mortar wall iron; ⑴ be cast with the net muscle in high chromium white antifriction cast iron rolled mortar wall and cast form of rolled mortar wall backing plate and the rolled mortar wall; 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 be cast with the net muscle in broken wall of high chromium white antifriction cast iron and the cast form of broken wall backing plate and the broken wall of high chromium white antifriction cast iron; Carry out fine finishining then, and have 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, the rolled mortar wall anti-wear performance improves greatly, and its wearability is about 5 times of present potassium steel rolled mortar wall, not only prolong greatly service life, and user's use cost reduces significantly; The 2nd, realized using net muscle structure to improve the impact resistance of high chromium white antifriction cast iron rolled mortar wall; Effectively slowly-releasing the suffered impulsive force of high chromium white antifriction cast iron rolled mortar wall; Solve the be hit defective of cracky of high chromium white antifriction cast iron rolled mortar wall, reduced manufacturing cost simultaneously.
Description of drawings
Fig. 1 is the structural representation of superpower 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 the special-purpose superpower high chromium of cone sand making machine.
The sectional structure 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 1-3,7-8.A kind of superpower rich chromium cast iron conical sand making machine; It comprises the conical sand making machine, and 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%, high chromium white antifriction cast iron rolled mortar wall 1 is built-in with net muscle 5; 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%, the broken wall 101 of high chromium white antifriction cast iron is built-in with net muscle 5.Its chromium content is equal to or greater than 9%, is equal to or less than 32%, and 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.Said net muscle 5 is strip net muscle or mesh muscle.
Embodiment 2: with reference to accompanying drawing 1-9.A kind of superpower rich chromium cast iron conical sand making machine, it comprises the conical sand making machine, and 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, and rolled mortar wall 1 is built-in with net muscle 5; 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, and broken wall 101 is built-in with net muscle 5.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; Or the matching surface of said rolled mortar wall backing plate 3 and rolled mortar wall 1 has many pouring grooves 4 that are used to water kirsite; Said broken wall backing plate 103 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.Said rolled mortar wall backing plate 3 adopts potassium steel to make; Said broken wall backing plate 103 adopts potassium steel to make.Said net muscle 5 is strip net muscle or mesh muscle.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 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 1,6,9.On the basis of embodiment 1 and 2; The broken wall preparation method of the special-purpose high chromium casting of a kind of superpower rich chromium cast iron conical sand making machine rolled mortar wall iron; ⑴ be cast with net muscle 5 in high chromium white antifriction cast iron rolled mortar wall 1 and 3 cast forms of rolled mortar wall backing plate and the rolled mortar wall 1; 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 be cast with net muscle 5 in the broken wall 101 of broken wall person 101 of high chromium white antifriction cast iron and broken wall backing plate 103 cast forms and high chromium white antifriction cast iron; 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.
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. superpower 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%, high chromium white antifriction cast iron rolled mortar wall is built-in with the net muscle; 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%, the broken wall of high chromium white antifriction cast iron is built-in with the net muscle.
2. cone sand making machine according to claim 1 is characterized in that: said net muscle is strip net muscle or mesh muscle.
3. superpower 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, and rolled mortar wall is built-in with the net muscle; 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, and broken wall is built-in with the net muscle.
4. superpower rich chromium cast iron conical sand making machine according to claim 3 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; Or the matching surface of said rolled mortar wall backing plate and 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.
5. superpower rich chromium cast iron conical sand making machine according to claim 3 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.
6. superpower rich chromium cast iron conical sand making machine according to claim 3 is characterized in that: said net muscle is strip net muscle or mesh muscle.
7. superpower rich chromium cast iron conical sand making machine according to claim 3 is characterized in that: the gap packed layer between said broken wall backing plate and the mantle body is a zinc alloy layer.
8. superpower rich chromium cast iron conical sand making machine according to claim 3 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.
9. the special-purpose high chromium of superpower rich chromium cast iron conical sand making machine is cast the broken wall preparation method of rolled mortar wall iron; It is characterized in that: be cast with the net muscle in ⑴ high chromium white antifriction cast iron rolled mortar wall and cast form of rolled mortar wall backing plate and the rolled mortar wall; 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 be cast with the net muscle in broken wall person of high chromium white antifriction cast iron and the cast form of broken wall backing plate and the broken wall of high chromium white antifriction cast iron; Carry out fine finishining then, and have 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.
10. the broken wall preparation method of the special-purpose rich chromium cast iron rolled mortar wall of superpower rich chromium cast iron conical sand making machine according to claim 9; 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.
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| CN2011102926129A CN102397799A (en) | 2011-09-30 | 2011-09-30 | Ultra-strong high-chromium cast iron cone sand making machine |
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| CN2011102926129A CN102397799A (en) | 2011-09-30 | 2011-09-30 | Ultra-strong high-chromium cast iron cone sand making machine |
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- 2011-09-30 CN CN2011102926129A patent/CN102397799A/en active Pending
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Application publication date: 20120404 |