CN202290137U - High-chromium cast iron conical sand making machine - Google Patents
High-chromium cast iron conical sand making machine Download PDFInfo
- Publication number
- CN202290137U CN202290137U CN2011203733701U CN201120373370U CN202290137U CN 202290137 U CN202290137 U CN 202290137U CN 2011203733701 U CN2011203733701 U CN 2011203733701U CN 201120373370 U CN201120373370 U CN 201120373370U CN 202290137 U CN202290137 U CN 202290137U
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- cast iron
- making machine
- sand making
- broken wall
- conical sand
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Abstract
The utility model relates to a high-chromium cast iron conical sand making machine which is used for manufacturing a crushing wall assembly in a conical sand making machine, so that the wear-resisting performance of the crushing wall can be improved by multiple times. The high-chromium cast iron conical sand making machine comprises a conical sand making machine, wherein a zinc alloy layer is filled in a gap between the high-chromium white antifriction cast iron crushing wall and a base plate of the crushing wall. The high-chromium cast iron conical sand making machine has the following advantages that: the wear-resisting performance of the crushing wall is greatly improved and is about five times that of current high manganese steel crushing walls, thereby greatly prolonging the service life and greatly reducing the use cost of the user; and since a physical structure is used for realizing the improvement of the impact resistance of the high-chromium white antifriction cast iron crushing wall, the impact force suffered by the high-chromium white antifriction cast iron crushing wall can be effectively released, and the defect that the high-chromium white antifriction cast iron crushing wall is easy to damage by the impact can be overcome.
Description
Technical field
The utility model relates to and a kind ofly the high chromium white antifriction cast iron is used for rich chromium cast iron conical sand making crusher machine wall makes, and makes broken wall abrasion resistance improve the rich chromium cast iron conical sand making machine of several times, belongs to rich chromium cast iron conical sand making machine 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 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.
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 long-life 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 broken 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 broken wall and the broken 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 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, 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 the broken wall of high chromium white antifriction cast iron, and potassium steel has good toughness with this backing plate as the broken wall of high chromium white antifriction cast iron; 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: rich chromium cast iron conical sand making machine, it comprises the conical sand making machine, the gap packed layer between broken wall of the high chromium white antifriction cast iron in the said conical sand making machine and the broken wall backing plate is a zinc alloy layer.
The utility model is compared 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 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. 3.
Fig. 4 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 1-4.A kind of rich chromium cast iron conical sand making machine, it comprises cone sand making machine, the gap packed layer between broken wall 1 of the high chromium white antifriction cast iron in the said cone sand making machine and the broken wall backing plate 3 is a zinc alloy layer 2.The broken wall 1 of said high chromium white antifriction cast iron has many pouring grooves 4 that are used to water kirsite with the matching surface of broken wall backing plate 3.Said broken wall backing plate 3 adopts potassium steel to make.Said broken wall backing plate 3 has many pouring grooves 4 that are used to water kirsite with the matching surface of the broken wall 1 of high chromium white antifriction cast iron.
Embodiment 2: on embodiment 1 basis, the gap packed layer between said broken wall backing plate 3 and the mantle body 5 is a zinc alloy layer 2.Said broken wall backing plate 3 has many pouring grooves 4 that are used to water kirsite with the matching surface of mantle body 5.
The broken wall preparation method of the special-purpose high chromium of rich chromium cast iron conical sand making machine; ⑴ broken wall 1 of high chromium white antifriction cast iron and broken wall backing plate 3 cast forms; Carry out fine finishining then, and have many pouring grooves 4 that are used to water kirsite at broken wall 1 matching surface of broken wall backing plate 3 and high chromium white antifriction cast iron; ⑵ the broken wall 1 of the high chromium white antifriction cast iron after with fine finishining carries out suit with broken wall backing plate 3; Then with the kirsite fused solution; Pour in gap or the cavity between broken wall 1 of high chromium white antifriction cast iron and the broken wall backing plate 3 and in the gap or cavity between broken wall backing plate 3 and the mantle body 5, get final product behind the cooling forming from many pouring grooves then.
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 (6)
1. rich chromium cast iron conical sand making machine, it comprises the conical sand making machine, it is characterized in that: the gap packed layer between broken wall of the high chromium white antifriction cast iron in the said conical sand making machine and the broken wall backing plate is a zinc alloy layer.
2. rich chromium cast iron conical sand making machine according to claim 1 is characterized in that: 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.
3. rich chromium cast iron conical sand making machine according to claim 1 is characterized in that: said broken wall backing plate adopts potassium steel to make.
4. rich chromium cast iron conical sand making machine according to claim 1 is characterized in that: 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. 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.
6. 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203733701U CN202290137U (en) | 2011-09-30 | 2011-09-30 | High-chromium cast iron conical sand making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203733701U CN202290137U (en) | 2011-09-30 | 2011-09-30 | High-chromium cast iron conical sand making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202290137U true CN202290137U (en) | 2012-07-04 |
Family
ID=46359120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203733701U Expired - Lifetime CN202290137U (en) | 2011-09-30 | 2011-09-30 | High-chromium cast iron conical sand making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202290137U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389848A (en) * | 2011-09-30 | 2012-03-28 | 浙江双金机械集团有限公司 | High-chromium cast-iron cone sand-making machine and method for manufacturing high-chromium crushing wall assembly |
| CN104801390A (en) * | 2015-04-03 | 2015-07-29 | 浙江双金机械集团股份有限公司 | Rolling mortar wall of conical sand making machine, made of Mn13 and high-chromium iron, and method |
-
2011
- 2011-09-30 CN CN2011203733701U patent/CN202290137U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389848A (en) * | 2011-09-30 | 2012-03-28 | 浙江双金机械集团有限公司 | High-chromium cast-iron cone sand-making machine and method for manufacturing high-chromium crushing wall assembly |
| CN104801390A (en) * | 2015-04-03 | 2015-07-29 | 浙江双金机械集团股份有限公司 | Rolling mortar wall of conical sand making machine, made of Mn13 and high-chromium iron, and method |
| CN104801390B (en) * | 2015-04-03 | 2018-12-21 | 浙江双金机械集团股份有限公司 | The circular cone sand making machine rolled mortar wall and method being made of Mn13 and rich chromium cast iron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |