CN202290134U - Abrasion-resisting high-chrome rolling mortar wall assembly special for cone sand making machine - Google Patents
Abrasion-resisting high-chrome rolling mortar wall assembly special for cone sand making machine Download PDFInfo
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- CN202290134U CN202290134U CN2011203684692U CN201120368469U CN202290134U CN 202290134 U CN202290134 U CN 202290134U CN 2011203684692 U CN2011203684692 U CN 2011203684692U CN 201120368469 U CN201120368469 U CN 201120368469U CN 202290134 U CN202290134 U CN 202290134U
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- mortar wall
- rolled mortar
- abrasion
- rolling mortar
- cast iron
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Abstract
The utility model relates to an abrasion-resisting high-chrome rolling mortar wall assembly special for a cone sand making machine, which enables high-chrome white abrasion-resisting cast iron to be used for manufacturing a rolling mortar wall of the cone sand making machine and enables the abrasion-resisting performance and brittle resistance of the rolling mortar wall to be improved by several times. The abrasion-resisting high-chrome rolling mortar wall assembly comprises a high-chrome white abrasion-resisting cast iron rolling mortar wall and a rolling mortar wall base plate, wherein a clearance filling layer between the high-chrome white abrasion-resisting cast iron rolling mortar wall and the rolling mortar wall base plate is a zinc alloy layer, and net ribs are arranged in the high-chrome white abrasion-resisting cast iron rolling mortar wall. The abrasion-resisting high-chrome rolling mortar wall assembly has the advantages that the abrasion-resisting performance of the rolling mortar wall is greatly improved and is about five times that of an existing high-manganese steel rolling mortar wall, the service life of the rolling mortar wall is prolonged, and using cost of users is remarkably reduced. A physical structure can be utilized to improve impact resistance of the high-chrome white abrasion-resisting cast iron rolling mortar wall, impact force suffered by the high-chrome white abrasion-resisting cast iron rolling mortar wall is effectively relieved, the shortcoming that the high-chrome white abrasion-resisting cast iron rolling mortar wall can be easily damaged by impact is overcome, and manufacture cost is reduced simultaneously.
Description
Technical field
The utility model 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 assembly of cone sand making machine 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, 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 the special-purpose wear-resisting high chromium rolled mortar wall assembly of long-life cone 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 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.4, be cast with in the high chromium white antifriction cast iron rolled mortar wall net muscle design, be the utility model technical characterictic four.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: 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 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.
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 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 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 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 net muscle 5 is strip net muscle or mesh muscle.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.The special-purpose wear-resisting high chromium rolled mortar wall preparation method of its cone sand making machine is with reference to accompanying drawing 5.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 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 (5)
1. 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 rolled mortar wall is built-in with the net muscle.
2. the special-purpose wear-resisting 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 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.
3. the special-purpose wear-resisting 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 wear-resisting 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 high chromium white antifriction cast iron rolled mortar wall 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 1, it is characterized in that: said net muscle is strip net muscle or mesh muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203684692U CN202290134U (en) | 2011-09-30 | 2011-09-30 | Abrasion-resisting high-chrome rolling mortar wall assembly special for cone sand making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203684692U CN202290134U (en) | 2011-09-30 | 2011-09-30 | Abrasion-resisting high-chrome rolling mortar wall assembly special for cone sand making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202290134U true CN202290134U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203684692U Withdrawn - After Issue CN202290134U (en) | 2011-09-30 | 2011-09-30 | Abrasion-resisting high-chrome rolling mortar wall assembly special for cone sand making machine |
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| Country | Link |
|---|---|
| CN (1) | CN202290134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102302962A (en) * | 2011-09-30 | 2012-01-04 | 浙江双金机械集团有限公司 | Special wear-resistant high-chromium rolled mortar wall and assembly for conical sand making machines |
-
2011
- 2011-09-30 CN CN2011203684692U patent/CN202290134U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102302962A (en) * | 2011-09-30 | 2012-01-04 | 浙江双金机械集团有限公司 | Special wear-resistant high-chromium rolled mortar wall and assembly for conical sand making machines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |