CN104801365A - Cone sand maker rolling-based sand making cavity assembly being smaller than 2000 mm in diameter and manufacturing method - Google Patents
Cone sand maker rolling-based sand making cavity assembly being smaller than 2000 mm in diameter and manufacturing method Download PDFInfo
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Abstract
The invention relates to a cone sand maker rolling-based sand making cavity assembly being smaller than 2000 mm in diameter and a manufacturing method. The cone sand maker rolling-based sand making cavity assembly comprises a rolling mortar wall and a crushing wall, wherein the upper parts of the rolling mortar wall and the crushing wall are made of high manganese steel, and the lower parts thereof are made of high-carbon chromium steel. The cone sand maker rolling-based sand making cavity assembly has the following advantages: (1) the fatal defect that sand making cannot be performed during the sand making process because the single material rolling mortar wall and a single material crushing wall suffer different abrasion losses from different sized stones, the upper parts of the single material rolling mortar wall and the single material crushing wall are slightly abraded while the lower parts thereof are seriously abraded, and a groove is formed in a rolling-based sand making cavity can be fundamentally overcome; (2) the abrasion loss caused by high manganese steel at the upper parts of the rolling mortar wall and the crushing wall during the stone crushing process is relatively consistent with that of the rolling-based sand making cavity in the high-carbon chromium steel lower part of the rolling mortar wall, so that not only are the service lives of the rolling mortar wall and the crushing wall greatly prolonged, but also the sand making cost is reduced on the premise that the use costs of the rolling mortar wall and the crushing wall are greatly reduced.
Description
Technical field
The present invention relates to a kind of circular cone sand making machine and can meet wear-resisting requirement to rubble fragmentation in sand process processed, the diameter that can meet again the wear-resisting requirement rolling sand processed is less than 2000mm circular cone sand making machine and rolls sand chamber assembly processed and preparation method, belongs to circular cone sand making machine component assembly and manufactures field.
Background technology
CN102350388A, title " cone sand making machine Special high-chromium rolled mortar wall assembly ", it comprises rolled mortar wall assembly, it is characterized in that: described rolled mortar wall material is high chromium white antifriction cast iron, and its chromium content is more than or equal to 9%, is equal to or less than 32%.Advantage: one is that rolled mortar wall anti-wear performance improves greatly, its wearability is about 5 times of current potassium steel rolled mortar wall, not only greatly extend service life, and the use cost of user reduces significantly: two is achieve the impact resistance that improve high chromium white antifriction cast iron rolled mortar wall by the structure of physics, the impulsive force of slowly-releasing suffered by high chromium white antifriction cast iron rolled mortar wall effectively, solves high chromium white antifriction cast iron rolled mortar wall and to be hit the defect of cracky.But, because circular cone sand making machine is crushed to the different duty of two kinds, sand system processed from building stones in the process of sand processed, its rolled mortar wall top is used for broken building stones, building stones to rolled mortar wall top formed be impact load and contact extruding, and that what building stones and rolled mortar wall were formed is is uncertain, be not that the impact extruded rubble of whole contact coordinates, thus relatively little to the state of wear on rolled mortar wall top; And rolled mortar wall bottom is for rolling sand portion processed, what broken little building stones and rolled mortar wall were formed contacts completely, the rolling of plyability, under the little brute force at rolled mortar wall and crushing wall of its broken gravelstone between rolled mortar wall and crushing wall rolls, to ward off the wearing and tearing of (also comprising crushing wall) very serious to rolling mortar for sandstone.If adopt homogenous material to make rolled mortar wall, no matter be manganese steel, or high-carbon chromium steel, because the building stones of different size are different to the wear extent of rolled mortar wall, result causes the situation that rolled mortar wall Upper wear is little, middle part wearing and tearing opposite upper parts is little and formation groove is worn and torn in bottom, causes rolled mortar wall to wear and tear and scraps.
Summary of the invention
Purpose of design: avoid the weak point in background technology, design a kind of circular cone sand making machine and can meet wear-resisting requirement to rubble fragmentation in sand process processed, the diameter that can meet again the wear-resisting requirement rolling sand processed is less than 2000mm circular cone sand making machine and rolls sand chamber assembly processed and preparation method.
Design: in order to realize above-mentioned purpose of design.The present invention is in structural design: 1, rolled mortar wall top is potassium steel, rolled mortar wall bottom is the design of high-carbon chromium steel, is one of technical characteristic of the present invention.The object of such design is: potassium steel is opposing thump, one of optimal selection in the high-abrasive materials such as large pressure material wearing and tearing, it not only has the incomparable Work Hardening Characteristic of other high-abrasive material, and in greater impact load or compared with under the effect of large contacting stress, the top layer of its potassium steel produces work hardening, case hardness rises to more than HRC45 rapidly by HRC17--21, and along with the wearing and tearing gradually of cementation zone, new work hardening layer can successively be formed, thus produce endlessly while high abrasion superficial layer, and potassium steel internal layer austenite still keeps good impact flexibility.The present invention utilizes this characteristic of potassium steel just, the top of rolled mortar wall (or middle part and top) is adopted potassium steel, because rolled mortar wall top is for broken building stones, what building stones were formed rolled mortar wall top is impact load just, thus rolled mortar wall case-hardening can be made, hardness promotes rapidly, meets rolled mortar wall top to the hardness requirement of rubble and wear-resisting requirement; And high-carbon chromium steel carbon containing Wc is about 1%, chrome content Wcr is about 1.5%, and the hypereutectoid steel containing a small amount of manganese, element silicon.Chromium can improve heat treatment performance, improve quenching degree, structural homogenity, temper resistance, can improve again rustless property and the grinding performance of steel, its hardness reaches HRC63 ± 3, has excellent wearability, meet the wear-resisting requirement rolling sand processed, its wear extent is significantly less than potassium steel.2, rolled mortar wall top and rolled mortar wall bottom are concavo-convex snap-fit engagement is technical characteristic two of the present invention.The object of such design is: the convex-concave on rolled mortar wall top be connected in the concaveconvex structure of rolled mortar wall bottom, rolled mortar wall bottom synchronous can be driven to rise when rising under the effect of rolled mortar wall top in external force, thus reach the size of Longkou (rolling chamber) between convenient adjustment rolled mortar wall and crushing wall.3, crushing wall top is potassium steel, crushing wall bottom is the design of high-carbon chromium steel, is technical characteristic three of the present invention.The object of such design is: potassium steel is opposing thump, one of optimal selection in the high-abrasive materials such as large pressure material wearing and tearing, it not only has the incomparable Work Hardening Characteristic of other high-abrasive material, and in greater impact load or compared with under the effect of large contacting stress, the top layer of its potassium steel produces work hardening, case hardness rises to more than HRC45 rapidly by HRC17--21, and along with the wearing and tearing gradually of cementation zone, new work hardening layer can successively be formed, thus produce endlessly while high abrasion superficial layer, and potassium steel internal layer austenite still keeps good impact flexibility.The present invention utilizes this characteristic of potassium steel just, the top of crushing wall (or middle part and top) is adopted potassium steel, because crushing wall top is for broken building stones, what building stones were formed crushing wall top is impact load just, thus crushing wall case-hardening can be made, hardness promotes rapidly, meets crushing wall top to the hardness requirement of rubble and wear-resisting requirement; And high-carbon chromium steel carbon containing Wc is about 1%, chrome content Wcr is about 1.5%, and the hypereutectoid steel containing a small amount of manganese, element silicon.Chromium can improve heat treatment performance, improve quenching degree, structural homogenity, temper resistance, can improve again rustless property and the grinding performance of steel, its hardness reaches HRC63 ± 3, has excellent wearability, meet the wear-resisting requirement rolling sand processed, its wear extent is significantly less than potassium steel.4, the lower surface on crushing wall top and the upper surface of crushing wall bottom are the design of inclined-plane snap-fit engagement, are technical characteristics four of the present invention.The object of such design is: the lower surface due to crushing wall top is the outer inclined-plane of annular, and the upper surface of crushing wall bottom is inclined-plane and the tapering on both inclined-planes is identical in annular, therefore when the upper surface on crushing wall top is contacted by mantle grafting with the lower surface of crushing wall bottom, just be equivalent to the bottom that crushing wall is inserted on crushing wall top, not only matching is good, and stable, firm.
Technical scheme 1: a kind of diameter is less than 2000mm circular cone sand making machine and rolls sand chamber processed assembly, and rolled mortar wall top is potassium steel, rolled mortar wall bottom is high-carbon chromium steel; Crushing wall top is potassium steel, crushing wall bottom is high-carbon chromium steel.
Technical scheme 2: a kind of diameter is less than the manufacture method that 2000mm circular cone sand making machine rolls sand chamber processed assembly, rolled mortar wall makes: (1) routinely fabrication techniques rolled mortar wall bottom waters mold and rolled mortar wall waters on shell or inwall and has the shaping clamping mould of tongue and groove, mold is watered in the rolled mortar wall bottom made to be placed on dither platform, under the vibration of dither platform, melting high-carbon chromium steel is cast to rolled mortar wall bottom and waters mold, after cooling forming rolled mortar wall bottom, then rolled mortar wall bottom to be heat-treated, fine finishining; (2) fabrication techniques rolled mortar wall upper pouring mould and rolled mortar wall top are watered mold and are made up of two pieces or polylith routinely, rolled mortar wall top is watered on mold inwall or outer wall the shaping clamping mould of convex-concave, mold is watered on the rolled mortar wall top made to be placed on dither platform, under the vibration of dither platform, melting potassium steel being cast to rolled mortar wall top waters in mold, obtain rolled mortar wall top after cooling forming, after then rolled mortar wall top being heat-treated, after fine finishining, be divided into two pieces or polylith; (3) the rolled mortar wall top after fine finishining is connected to rolls wall bottom; Crushing wall makes: (1) routinely fabrication techniques crushing wall bottom waters mold, mold is watered in the crushing wall bottom made to be placed on dither platform, under the vibration of dither platform, melting high-carbon chromium steel is cast to crushing wall bottom and waters mold, after cooling forming crushing wall bottom, then crushing wall bottom to be heat-treated, fine finishining; (2) fabrication techniques crushing wall upper pouring mould routinely, mold is watered on the crushing wall top made to be placed on dither platform, under the vibration of dither platform, melting potassium steel being cast to crushing wall top waters in mold, after cooling forming crushing wall top, then crushing wall top to be heat-treated, fine finishining; (3) inclined-plane outside lower end, crushing wall top after fine finishining to be connected in upper end, crushing wall bottom on inclined-plane; Finally namely the assembling of rolled mortar wall and crushing wall is obtained circular cone sand making machine and roll sand chamber processed assembly.
The present invention is compared with background technology, one is fundamentally solve homogenous material rolled mortar wall and crushing wall in sand process processed, because the building stones of different size are different with the wear extent of crushing wall to rolled mortar wall, the rolled mortar wall caused and crushing wall Upper wear is little, bottom wearing and tearing are large and cause roll sand chamber processed shape formation groove and cannot the critical defect of sand processed; The wear extent that sand chamber processed is rolled in the wear extent that two is rolled mortar walls produces at broken building stones with the Mn13 on crushing wall top and rich chromium cast iron rolled mortar wall bottom is relative consistent, thus sand chamber processed is rolled in stone roller sand process processed in the rolled mortar wall and the crushing wall bottom that fundamentally solve homogenous material, due to wear extent be greater than rolled mortar wall and crushing wall Upper wear amount cause the situation of groove, not only greatly extend the service life of rolled mortar wall and crushing wall, and while the use cost greatly reducing rolled mortar wall and crushing wall, reduce sand cost processed.
Accompanying drawing explanation
Fig. 1 is the structural representation that diameter is less than that 2000mm circular cone sand making machine rolls sand chamber processed assembly.
Fig. 2 is the structural representation that diameter is less than that 2000mm circular cone sand making machine rolls sand chamber processed assembly rolled mortar wall.
Fig. 3 is the structural representation that diameter is less than that 2000mm circular cone sand making machine rolls sand chamber processed assembly crushing wall.
Fig. 4 is the structural representation of homogenous material rolled mortar wall.
Fig. 5 is the structural representation of homogenous material crushing wall.
Detailed description of the invention
Embodiment 1: with reference to accompanying drawing 1-3.A kind of diameter is less than 2000mm circular cone sand making machine and rolls sand chamber processed assembly, and rolled mortar wall top 1 is potassium steel, rolled mortar wall bottom 2 is high-carbon chromium steel; Rolled mortar wall top is made up of two pieces or polylith.Rolled mortar wall top and rolled mortar wall bottom are concavo-convex snap-fit engagement 3.Crushing wall top 5 is potassium steel, crushing wall bottom 6 is high-carbon chromium steel.Lower surface, crushing wall top is the outer inclined-plane of annular, and upper surface, crushing wall bottom is the interior inclined-plane of annular and coincide 4 with upper surface, crushing wall top.Potassium steel rolled mortar wall height is greater than the height of high-carbon chromium steel rolled mortar wall; Potassium steel crushing wall height is greater than the height of high-carbon chromium steel crushing wall.
Embodiment 2: on the basis of embodiment 1, potassium steel rolled mortar wall inwall and high-carbon chromium steel rolled mortar wall outer wall are concavo-convex snap-fit engagement.
Embodiment 3: on the basis of embodiment 1, potassium steel rolled mortar wall outer wall and high-carbon chromium steel rolled mortar wall inwall are concavo-convex snap-fit engagement.
Embodiment 4: on the basis of embodiment 1, a kind of diameter is less than the manufacture method that 2000mm circular cone sand making machine rolls sand chamber processed assembly, rolled mortar wall makes: (1) routinely fabrication techniques rolled mortar wall bottom waters mold and rolled mortar wall waters on shell or inwall and has the shaping clamping mould of tongue and groove, mold is watered in the rolled mortar wall bottom made to be placed on dither platform, under the vibration of dither platform, melting high-carbon chromium steel is cast to rolled mortar wall bottom and waters mold, after cooling forming rolled mortar wall bottom, then rolled mortar wall bottom to be heat-treated, fine finishining; (2) fabrication techniques rolled mortar wall upper pouring mould and rolled mortar wall top are watered mold and are made up of two pieces or polylith routinely, rolled mortar wall top is watered on mold inwall or outer wall the shaping clamping mould of convex-concave, mold is watered on the rolled mortar wall top made to be placed on dither platform, under the vibration of dither platform, melting potassium steel being cast to rolled mortar wall top waters in mold, obtain rolled mortar wall top after cooling forming, after then rolled mortar wall top being heat-treated, after fine finishining, be divided into two pieces or polylith; (3) the rolled mortar wall top after fine finishining is connected to rolls wall bottom; Crushing wall makes: (1) routinely fabrication techniques crushing wall bottom waters mold, mold is watered in the crushing wall bottom made to be placed on dither platform, under the vibration of dither platform, melting high-carbon chromium steel is cast to crushing wall bottom and waters mold, after cooling forming crushing wall bottom, then crushing wall bottom to be heat-treated, fine finishining; (2) fabrication techniques crushing wall upper pouring mould routinely, mold is watered on the crushing wall top made to be placed on dither platform, under the vibration of dither platform, melting potassium steel being cast to crushing wall top waters in mold, after cooling forming crushing wall top, then crushing wall top to be heat-treated, fine finishining; (3) inclined-plane outside lower end, crushing wall top after fine finishining to be connected in upper end, crushing wall bottom on inclined-plane; Finally namely the assembling of rolled mortar wall and crushing wall is obtained circular cone sand making machine and roll sand chamber processed assembly.Potassium steel rolled mortar wall outer wall and high-carbon chromium steel rolled mortar wall inwall are concavo-convex snap-fit engagement; Potassium steel crushing wall outer wall and high-carbon chromium steel crushing wall inwall are conical surface snap-fit engagement.Potassium steel rolled mortar wall height is greater than the height of high-carbon chromium steel rolled mortar wall; Potassium steel crushing wall height is greater than the height of high-carbon chromium steel crushing wall.
It is to be understood that: although above-described embodiment to be contrasted detailed text description to mentality of designing of the present invention; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of the restriction to mentality of designing of the present invention; any do not exceed mentality of designing of the present invention combination, increase or amendment, all fall within the scope of protection of the present invention.
Claims (10)
1. diameter is less than 2000mm circular cone sand making machine and rolls a sand chamber processed assembly, it is characterized in that: rolled mortar wall top is potassium steel, rolled mortar wall bottom is high-carbon chromium steel; Crushing wall top is potassium steel, crushing wall bottom is high-carbon chromium steel.
2. diameter according to claim 1 is less than 2000mm circular cone sand making machine and rolls sand chamber processed assembly, it is characterized in that: lower surface, crushing wall top is the outer inclined-plane of annular, and upper surface, crushing wall bottom be the interior inclined-plane of annular and identical with upper surface, crushing wall top.
3. diameter according to claim 1 is less than 2000mm circular cone sand making machine and rolls sand chamber processed assembly, it is characterized in that: rolled mortar wall top is made up of two pieces or polylith.
4. diameter according to claim 1 is less than 2000mm circular cone sand making machine and rolls sand chamber processed assembly, it is characterized in that: rolled mortar wall top and rolled mortar wall bottom are concavo-convex snap-fit engagement.
5. diameter according to claim 4 is less than 2000mm circular cone sand making machine and rolls sand chamber processed assembly, it is characterized in that: potassium steel rolled mortar wall inwall and high-carbon chromium steel rolled mortar wall outer wall are concavo-convex snap-fit engagement.
6. diameter according to claim 4 is less than 2000mm circular cone sand making machine and rolls sand chamber processed assembly, it is characterized in that: potassium steel rolled mortar wall outer wall and high-carbon chromium steel rolled mortar wall inwall are concavo-convex snap-fit engagement.
7. diameter according to claim 1 is less than 2000mm circular cone sand making machine and rolls sand chamber processed assembly, it is characterized in that: potassium steel rolled mortar wall height is greater than the height of high-carbon chromium steel rolled mortar wall; Potassium steel crushing wall height is greater than the height of high-carbon chromium steel crushing wall.
8. diameter is less than the manufacture method that 2000mm circular cone sand making machine rolls sand chamber processed assembly, it is characterized in that:
Rolled mortar wall makes: (1) routinely fabrication techniques rolled mortar wall bottom waters mold and rolled mortar wall waters on shell or inwall and has the shaping clamping mould of tongue and groove, mold is watered in the rolled mortar wall bottom made to be placed on dither platform, under the vibration of dither platform, melting high-carbon chromium steel is cast to rolled mortar wall bottom and waters mold, after cooling forming rolled mortar wall bottom, then rolled mortar wall bottom to be heat-treated, fine finishining; (2) fabrication techniques rolled mortar wall upper pouring mould and rolled mortar wall top are watered mold and are made up of two pieces or polylith routinely, rolled mortar wall top is watered on mold inwall or outer wall the shaping clamping mould of convex-concave, mold is watered on the rolled mortar wall top made to be placed on dither platform, under the vibration of dither platform, melting potassium steel being cast to rolled mortar wall top waters in mold, obtain rolled mortar wall top after cooling forming, after then rolled mortar wall top being heat-treated, after fine finishining, be divided into two pieces or polylith; (3) the rolled mortar wall top after fine finishining is connected to rolls wall bottom;
Crushing wall makes: (1) routinely fabrication techniques crushing wall bottom waters mold, mold is watered in the crushing wall bottom made to be placed on dither platform, under the vibration of dither platform, melting high-carbon chromium steel is cast to crushing wall bottom and waters mold, after cooling forming crushing wall bottom, then crushing wall bottom to be heat-treated, fine finishining; (2) fabrication techniques crushing wall upper pouring mould routinely, mold is watered on the crushing wall top made to be placed on dither platform, under the vibration of dither platform, melting potassium steel being cast to crushing wall top waters in mold, after cooling forming crushing wall top, then crushing wall top to be heat-treated, fine finishining; (3) inclined-plane outside lower end, crushing wall top after fine finishining to be connected in upper end, crushing wall bottom on inclined-plane;
Finally namely the assembling of rolled mortar wall and crushing wall is obtained circular cone sand making machine and roll sand chamber processed assembly.
9. diameter according to claim 8 is less than the manufacture method that 2000mm circular cone sand making machine rolls sand chamber processed assembly, it is characterized in that: potassium steel rolled mortar wall outer wall and high-carbon chromium steel rolled mortar wall inwall are concavo-convex snap-fit engagement; Potassium steel crushing wall outer wall and high-carbon chromium steel crushing wall inwall are conical surface snap-fit engagement.
10. diameter according to claim 8 is less than the manufacture method that 2000mm circular cone sand making machine rolls sand chamber processed assembly, it is characterized in that: potassium steel rolled mortar wall height is greater than the height of high-carbon chromium steel rolled mortar wall; Potassium steel crushing wall height is greater than the height of high-carbon chromium steel crushing wall.
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| CN201510155492.6A CN104801365B (en) | 2015-04-03 | 2015-04-03 | Diameter rolls sand chamber assembly processed and method less than 2000mm circular cone sand making machines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105457701A (en) * | 2015-11-17 | 2016-04-06 | 浙江双金机械集团股份有限公司 | Two-component mortar rolling wall of conical sand making machine |
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