CN102302962A - Special wear-resistant high-chromium rolled mortar wall and assembly for conical sand making machines - Google Patents
Special wear-resistant high-chromium rolled mortar wall and assembly for conical sand making machines Download PDFInfo
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- CN102302962A CN102302962A CN201110292781A CN201110292781A CN102302962A CN 102302962 A CN102302962 A CN 102302962A CN 201110292781 A CN201110292781 A CN 201110292781A CN 201110292781 A CN201110292781 A CN 201110292781A CN 102302962 A CN102302962 A CN 102302962A
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Abstract
The invention relates to a special wear-resistant high-chromium rolled mortar wall and assembly for conical sand making machines, by which high-chromium wear-resistant white cast iron is used for manufacturing a rolled mortar wall of a conical sand making machine, so that the wear-resistant property and brittle-resistant property of the rolled mortar wall are increased by several times. The special wear-resistant high-chromium rolled mortar wall comprises a rolled mortar wall assembly, the material of the high-chromium wear-resistant white cast iron rolled mortar wall is high-chromium wear-resistant white cast irons of which the chromium content is greater than or equal to 9% and less than or equal to 32%, and netted rebars are arranged in the high-chromium wear-resistant white cast iron rolled mortar wall. The invention has the advantages that: 1, the wear-resistant property of the rolled mortar wall is greatly improved and is about five times larger than that of the current high manganese steel rolled mortar wall, therefore, the service lift of the rolled mortar wall is prolonged obviously, and the application cost of users is reduced greatly; and 2, an effect of improving the impact resistance of the high-chromium wear-resistant white cast iron rolled mortar wall by using a physical structure is achieved, the impact force on the high-chromium wear-resistant white cast iron rolled mortar wall is effectively slowly released, the problem that the high-chromium wear-resistant white cast iron rolled mortar wall subjected to impact is easy to damage is solved, and the production cost is reduced.
Description
Technical field
The present invention relates to a kind of making that the high chromium white antifriction cast iron is used for cone sand making machine rolled mortar wall assembly; Make the special-purpose wear-resisting high chromium rolled mortar wall of cone sand making machine and the assembly of the abrasion resistance raising several times of rolled mortar wall, belong to cone sand making machine rolled mortar wall assembly 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 cone 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 special-purpose wear-resisting high chromium rolled mortar wall of long-life cone sand making machine and rolled mortar wall assembly 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; 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 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; 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 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 is with this backing plate as high chromium white antifriction cast iron rolled mortar wall; Not only can form good wear-resisting coupling with high chromium white antifriction cast iron rolled mortar wall; And potassium steel has good toughness; 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: the special-purpose wear-resisting high chromium rolled mortar wall of a kind of cone sand making machine, it comprises the rolled mortar wall assembly, said rolled mortar wall material 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%, rolled mortar wall is built-in with the net muscle.
Technical scheme 2: the special-purpose wear-resisting high chromium rolled mortar wall assembly of a kind of cone sand making machine, it comprises rolled mortar wall and rolled mortar wall backing plate, and the gap packed layer between said rolled mortar wall and the rolled mortar wall backing plate is a zinc alloy layer, and high chromium white antifriction cast iron rolled mortar wall is built-in with the net muscle.
Technical scheme 3: the special-purpose wear-resisting high chromium rolled mortar wall preparation method of a kind of cone sand making machine; ⑴ be cast with the net muscle in high chromium white antifriction cast iron rolled mortar wall and the cast form of rolled mortar wall backing plate and the high chromium white antifriction cast iron 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 the fine finishining suit that coincide; 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.
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 having improved the impact resistance of high chromium white antifriction cast iron rolled mortar wall with net muscle structure; 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 partial structurtes sketch map of high chromium white antifriction cast iron rolled mortar wall.
Fig. 2 is an A-A sectional structure sketch map among Fig. 1.
The partial structurtes sketch map of Fig. 3 rolled mortar wall backing plate.
A-A sectional structure sketch map among Fig. 4 Fig. 4.
Fig. 5 is the structural representation of the kirsite perfusion of rolled mortar wall and rolled mortar wall backing plate formation.
The specific embodiment
Embodiment 1: with reference to attaching Fig. 1 and 2.The special-purpose wear-resisting high chromium rolled mortar wall of a kind of cone sand making machine; It comprises the rolled mortar wall assembly; Said rolled mortar wall 1 material is the high chromium white antifriction cast iron; Its chromium content is equal to or greater than 9%; 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, high chromium white antifriction cast iron rolled mortar wall 1 is built-in with net muscle 5.
Embodiment 2: with reference to accompanying drawing 1-4.The special-purpose wear-resisting high chromium rolled mortar wall assembly of a kind of cone sand making machine; It comprises rolled mortar wall and rolled mortar wall backing plate; Gap packed layer between said high chromium white antifriction cast iron rolled mortar wall 1 and the rolled mortar wall backing plate 3 is a zinc alloy layer 2, and high chromium white antifriction cast iron rolled mortar wall 1 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.Said rolled mortar wall backing plate 3 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.
Embodiment 3: with reference to accompanying drawing 5.On the basis of embodiment 1 and 2; The special-purpose wear-resisting high chromium rolled mortar wall preparation method of a kind of cone sand making machine; 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 high chromium white antifriction cast iron 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.Said kirsite is the gravity cast zinc alloy.
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 (9)
1. the special-purpose wear-resisting high chromium rolled mortar wall of a cone sand making machine; It comprises the rolled mortar wall assembly, it is characterized in that: said rolled mortar wall material 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.
2. the special-purpose wear-resisting high chromium rolled mortar wall of cone sand making machine according to claim 1, it is characterized in that: said net muscle is strip net muscle or mesh muscle.
3. the special-purpose wear-resisting high chromium rolled mortar wall assembly of a cone sand making machine; It comprises rolled mortar wall and rolled mortar wall backing plate; It is characterized in that: the gap packed layer between said high chromium white antifriction cast iron rolled mortar wall and the rolled mortar wall backing plate is a zinc alloy layer, and high chromium white antifriction cast iron rolled mortar wall is built-in with the net muscle.
4. the special-purpose wear-resisting high chromium rolled mortar wall assembly of cone sand making machine according to claim 3, it 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.
5. the special-purpose wear-resisting high chromium rolled mortar wall assembly of cone sand making machine according to claim 3 is characterized in that: said rolled mortar wall backing plate adopts potassium steel to make.
6. the special-purpose wear-resisting high chromium rolled mortar wall assembly of cone sand making machine according to claim 2, it 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.
7. the special-purpose wear-resisting high chromium rolled mortar wall assembly of cone sand making machine according to claim 2, it is characterized in that: said net muscle is strip net muscle or mesh muscle.
8. the special-purpose wear-resisting high chromium rolled mortar wall preparation method of a cone sand making machine; It is characterized in that: be cast with the net muscle in ⑴ high chromium white antifriction cast iron rolled mortar wall and the cast form of rolled mortar wall backing plate and the high chromium white antifriction cast iron 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.
9. the special-purpose wear-resisting high chromium rolled mortar wall preparation method 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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| CN201110292781.2A CN102302962B (en) | 2011-09-30 | 2011-09-30 | Wear-resistant high-chromium rolling mortar wall special for conical sand making machine and assembly |
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| CN201110292781.2A CN102302962B (en) | 2011-09-30 | 2011-09-30 | Wear-resistant high-chromium rolling mortar wall special for conical sand making machine and assembly |
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| CN102302962B CN102302962B (en) | 2016-04-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500449A (en) * | 2011-09-30 | 2012-06-20 | 浙江双金机械集团有限公司 | Super wear-resisting conical sand making machine and manufacturing method for rolling mortar wall assembly |
| CN102580810A (en) * | 2012-01-06 | 2012-07-18 | 义乌市黑白矿山机械有限公司 | Crushing pair with axial shearing crushing function |
| 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 |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB139218A (en) * | 1916-09-05 | 1920-12-23 | Joseph Elliott Kennedy | Improvements in means for securing articles on taper shafts |
| GB566840A (en) * | 1943-08-20 | 1945-01-16 | Nordberg Manufacturing Co | Improvements in or relating to gyratory crushers and wearing member therefor |
| GB771166A (en) * | 1954-07-16 | 1957-03-27 | Lester Rounds Macleod | Improvements in crusher linings |
| CN1099075A (en) * | 1994-06-28 | 1995-02-22 | 冶金工业部北京冶金设备研究院 | High strength and high chrome cast iron lining plate and its prodn. method |
| CN1252455A (en) * | 1998-10-27 | 2000-05-10 | 朱同家 | Superhigh-chrome wear-resistant white cast iron and its production process |
| CN2575120Y (en) * | 2002-11-04 | 2003-09-24 | 李志杰 | Carding type separating combing flat |
| CN101104196A (en) * | 2006-12-21 | 2008-01-16 | 安徽省安工机械制造有限公司 | Method for manufacturing high chromium white wear-resistant cast iron |
| CN201124101Y (en) * | 2007-10-30 | 2008-10-01 | 上海建设路桥机械设备有限公司 | Crushing cavity and body of spindle breaker |
| CN101613826A (en) * | 2009-07-11 | 2009-12-30 | 祁阳宇晖机电实业有限公司 | Make the high chromium wear resistance white cast iron that the low-speed rolled crusher liner plate is used |
| CN201552020U (en) * | 2009-12-03 | 2010-08-18 | 浙江双金机械集团有限公司 | Sand making cavity specially used for cone-type sand making machine |
| CN102500449A (en) * | 2011-09-30 | 2012-06-20 | 浙江双金机械集团有限公司 | Super wear-resisting conical sand making machine and manufacturing method for rolling mortar wall assembly |
| CN202290134U (en) * | 2011-09-30 | 2012-07-04 | 浙江双金机械集团股份有限公司 | Abrasion-resisting high-chrome rolling mortar wall assembly special for cone sand making machine |
-
2011
- 2011-09-30 CN CN201110292781.2A patent/CN102302962B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB139218A (en) * | 1916-09-05 | 1920-12-23 | Joseph Elliott Kennedy | Improvements in means for securing articles on taper shafts |
| GB566840A (en) * | 1943-08-20 | 1945-01-16 | Nordberg Manufacturing Co | Improvements in or relating to gyratory crushers and wearing member therefor |
| GB771166A (en) * | 1954-07-16 | 1957-03-27 | Lester Rounds Macleod | Improvements in crusher linings |
| CN1099075A (en) * | 1994-06-28 | 1995-02-22 | 冶金工业部北京冶金设备研究院 | High strength and high chrome cast iron lining plate and its prodn. method |
| CN1252455A (en) * | 1998-10-27 | 2000-05-10 | 朱同家 | Superhigh-chrome wear-resistant white cast iron and its production process |
| CN2575120Y (en) * | 2002-11-04 | 2003-09-24 | 李志杰 | Carding type separating combing flat |
| CN101104196A (en) * | 2006-12-21 | 2008-01-16 | 安徽省安工机械制造有限公司 | Method for manufacturing high chromium white wear-resistant cast iron |
| CN201124101Y (en) * | 2007-10-30 | 2008-10-01 | 上海建设路桥机械设备有限公司 | Crushing cavity and body of spindle breaker |
| CN101613826A (en) * | 2009-07-11 | 2009-12-30 | 祁阳宇晖机电实业有限公司 | Make the high chromium wear resistance white cast iron that the low-speed rolled crusher liner plate is used |
| CN201552020U (en) * | 2009-12-03 | 2010-08-18 | 浙江双金机械集团有限公司 | Sand making cavity specially used for cone-type sand making machine |
| CN102500449A (en) * | 2011-09-30 | 2012-06-20 | 浙江双金机械集团有限公司 | Super wear-resisting conical sand making machine and manufacturing method for rolling mortar wall assembly |
| CN202290134U (en) * | 2011-09-30 | 2012-07-04 | 浙江双金机械集团股份有限公司 | Abrasion-resisting high-chrome rolling mortar wall assembly special for cone sand making machine |
Non-Patent Citations (2)
| Title |
|---|
| 中国机械工程学会铸造分会: "《铸造手册》", 31 January 2003, 机械工业出版社 * |
| 于乐海等: "《耐火材料成型技术》", 30 April 2010, 冶金工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500449A (en) * | 2011-09-30 | 2012-06-20 | 浙江双金机械集团有限公司 | Super wear-resisting conical sand making machine and manufacturing method for rolling mortar wall assembly |
| CN102500449B (en) * | 2011-09-30 | 2015-08-12 | 浙江双金机械集团股份有限公司 | Super abrasive circular cone sand making machine and rolled mortar wall assembly preparation method |
| CN102580810A (en) * | 2012-01-06 | 2012-07-18 | 义乌市黑白矿山机械有限公司 | Crushing pair with axial shearing crushing function |
| CN102580810B (en) * | 2012-01-06 | 2016-12-14 | 义乌市黑白矿山机械有限公司 | A kind of crushing pair with axial shearing crushing function |
| 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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| CN102302962B (en) | 2016-04-13 |
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Address after: Pingyao Town, Yuhang District Nanshan village in Hangzhou City, Zhejiang province 311115 Applicant after: Zhejiang Shuangjin Machinery Holdings Co., Ltd. Address before: Pingyao Town, Yuhang District Nanshan village in Hangzhou City, Zhejiang province 311115 Applicant before: Zhejiang Shuangjin Machinery Group Co., Ltd. |
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