CN202290135U - Special cone type high-chrome rolled mortar wall assembly for sand maker - Google Patents
Special cone type high-chrome rolled mortar wall assembly for sand maker Download PDFInfo
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- CN202290135U CN202290135U CN2011203689785U CN201120368978U CN202290135U CN 202290135 U CN202290135 U CN 202290135U CN 2011203689785 U CN2011203689785 U CN 2011203689785U CN 201120368978 U CN201120368978 U CN 201120368978U CN 202290135 U CN202290135 U CN 202290135U
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- mortar wall
- rolled mortar
- cast iron
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Abstract
The utility model relates to a special cone type high-chrome rolled mortar wall assembly used for a sand maker, wherein high-chrome wear-resistant white cast iron is used for manufacturing the cone type rolled mortar wall for the sand maker so as to increase the wear resistance of the rolled mortar wall by times. The special cone type high-chrome rolled mortar wall comprises a rolled mortar wall and a cushion plate for the rolled mortar wall, wherein a zinc alloy layer is used as a gap filling layer between the high-chrome wear-resistant white cast iron rolled mortar wall and the cushion plate for the rolled mortar wall. The advantages are as follows: firstly, the wear resistance of the rolled mortar wall is greatly improved and is about 5 times of that of the existing high-manganese-steel rolled mortar wall, the service life is greatly prolonged, and the use cost of a user is substantially reduced; and secondly, the impact resistance of the high-chrome wear-resistant white cast iron rolled mortar wall is improved by the physical structure, the impact force carried by the high-chrome wear-resistant white cast iron rolled mortar wall is effectively alleviated, and the defect that high-chrome wear-resistant white cast iron rolled mortar wall is easily damaged by impact is overcome.
Description
Technical field
The utility model relates to and a kind ofly the high chromium white antifriction cast iron is used for the cone sand making machine rolled mortar wall makes, and makes the rolled mortar wall abrasion resistance improve the special-purpose high chromium rolled mortar wall of cone sand making machine and the assembly of several times, belongs to cone sand making machine rolled mortar wall assembly and makes 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 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.
The utility model content
Purpose of design: avoid the weak point in the background technology, design a kind of high-wearing feature that both had, have special-purpose 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 utility model.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, be the utility model technical characterictic two.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 utility model 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, be the utility model technical characterictic three.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 utility model 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.
Technical scheme: the special-purpose 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, 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.
The utility model is compared 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 the structure of physics, effectively slowly-releasing the suffered impulsive force of high chromium white antifriction cast iron rolled mortar wall, solved the be hit defective of cracky of high chromium white antifriction cast iron rolled mortar wall.
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.
Fig. 4 is an A-A sectional structure sketch map among Fig. 3.
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 accompanying drawing 1-5.The special-purpose 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, the 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.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.Its preparation method, 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.Said kirsite is the gravity cast zinc alloy.
What need understand is: though the foregoing description is to the mentality of designing of the utility model detailed text description of contrasting; But these text descriptions; Just the simple text of the utility model mentality of designing is described; Rather than to the restriction of the utility model mentality of designing, any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the utility model.
Claims (4)
1. the special-purpose 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.
2. the special-purpose high chromium rolled mortar wall assembly of cone sand making machine according to claim 1, it is characterized in that: the matching surface of said rolled mortar wall and rolled mortar wall backing plate has many pouring grooves that are used to water kirsite.
3. the special-purpose high chromium rolled mortar wall assembly of cone sand making machine according to claim 1 is characterized in that: said rolled mortar wall backing plate adopts potassium steel to make.
4. the special-purpose high chromium rolled mortar wall assembly of cone sand making machine according to claim 1, it is characterized in that: the matching surface of said rolled mortar wall backing plate and rolled mortar wall has many pouring grooves that are used to water kirsite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203689785U CN202290135U (en) | 2011-09-30 | 2011-09-30 | Special cone type high-chrome rolled mortar wall assembly for sand maker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203689785U CN202290135U (en) | 2011-09-30 | 2011-09-30 | Special cone type high-chrome rolled mortar wall assembly for sand maker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202290135U true CN202290135U (en) | 2012-07-04 |
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ID=46359118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203689785U Expired - Lifetime CN202290135U (en) | 2011-09-30 | 2011-09-30 | Special cone type high-chrome rolled mortar wall assembly for sand maker |
Country Status (1)
| Country | Link |
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| CN (1) | CN202290135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350388A (en) * | 2011-09-30 | 2012-02-15 | 浙江双金机械集团有限公司 | Special high chromium rolling wall and assembly for conical sand making machine |
-
2011
- 2011-09-30 CN CN2011203689785U patent/CN202290135U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350388A (en) * | 2011-09-30 | 2012-02-15 | 浙江双金机械集团有限公司 | Special high chromium rolling wall and assembly for conical sand making machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
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| CX01 | Expiry of patent term |