CN202356123U - High-chromium cast iron cone sand making machine - Google Patents
High-chromium cast iron cone sand making machine Download PDFInfo
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- CN202356123U CN202356123U CN2011203689770U CN201120368977U CN202356123U CN 202356123 U CN202356123 U CN 202356123U CN 2011203689770 U CN2011203689770 U CN 2011203689770U CN 201120368977 U CN201120368977 U CN 201120368977U CN 202356123 U CN202356123 U CN 202356123U
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- cast iron
- concave
- mortar wall
- rolled mortar
- making machine
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Abstract
The utility model relates to a high-chromium cast iron cone sand making machine used for preparing concave assembly in a cone sand making machine by using high-chromium white anti-abrasive cast iron, so that the anti-abrasive property of the concave assembly is multiplied. According to the utility model, a gap filling layer between a high-chromium white anti-abrasive cast iron concave and a concave base plate is a zinc alloy layer. The high-chromium cast iron cone sand making machine has the advantages that 1, the anti-abrasive property of the concave is greatly improved and is about 5 times that of a high-manganese steel concave, the service life of the concave is greatly prolonged, and the use cost of a user is greatly reduced; and 2, a fact that the impact resistance of the high-chromium white anti-abrasive cast iron concave is improved by using a physical structure is achieved, thus effectively slowly relieving the impact stressed by the high-chromium white anti-abrasive cast iron concave and solving the defect that the high-chromium white anti-abrasive cast iron concave is easy to damage due to impact.
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 machine rolled mortar wall makes, and makes the rolled mortar wall abrasion resistance improve the rich chromium cast iron conical sand making machine of several times, belongs to the 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 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.
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 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: a kind of rich chromium cast iron conical sand making machine, 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.
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 structural representation of 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. 2.
The partial structurtes sketch map of Fig. 4 rolled mortar wall backing plate.
A-A sectional structure sketch map among Fig. 5 Fig. 4.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1-5.A kind of rich chromium cast iron conical sand making machine, high chromium white antifriction cast iron rolled mortar wall 1 in the said cone sand making machine and the gap packed layer between the rolled mortar wall backing plate 3 are zinc alloy layer.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 high chromium rolled mortar wall preparation method of its rich chromium cast iron conical sand making machine: 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. rich chromium cast iron 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.
2. rich chromium cast iron conical sand making machine according to claim 1 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. rich chromium cast iron conical sand making machine according to claim 1 is characterized in that: said rolled mortar 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 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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011203689770U CN202356123U (en) | 2011-09-30 | 2011-09-30 | High-chromium cast iron cone sand making machine |
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CN2011203689770U CN202356123U (en) | 2011-09-30 | 2011-09-30 | High-chromium cast iron cone sand making machine |
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CN202356123U true CN202356123U (en) | 2012-08-01 |
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CN2011203689770U Expired - Lifetime CN202356123U (en) | 2011-09-30 | 2011-09-30 | High-chromium cast iron cone sand making machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102441456A (en) * | 2011-09-30 | 2012-05-09 | 浙江双金机械集团有限公司 | High-chromium cast iron cone sand making machine and manufacture method of high-chromium rolling mortar wall assembly |
-
2011
- 2011-09-30 CN CN2011203689770U patent/CN202356123U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102441456A (en) * | 2011-09-30 | 2012-05-09 | 浙江双金机械集团有限公司 | High-chromium cast iron cone sand making machine and manufacture method of high-chromium rolling mortar wall assembly |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120801 |