CN104801381A - Double component crushing wall for cone sand making machine and manufacturing method - Google Patents
Double component crushing wall for cone sand making machine and manufacturing method Download PDFInfo
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- CN104801381A CN104801381A CN201510156095.0A CN201510156095A CN104801381A CN 104801381 A CN104801381 A CN 104801381A CN 201510156095 A CN201510156095 A CN 201510156095A CN 104801381 A CN104801381 A CN 104801381A
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Abstract
The invention relates to a double component crushing wall for a cone sand making machine and a manufacturing method. The double component crushing wall can meet not only the abrasion resistant requirements on broken stone crushing but also the abrasion resistant requirements on rolling sand making when the cone sand making machine is in the sand making process. The upper part of the crushing wall is made of Mn13, the lower part of the crushing wall is made of high-chromium cast iron, and a ring-shaped groove is formed in the outer wall or the inner wall at the lower part of the crushing wall, and is in concave-convex fusion casting coordination with a ring-shaped groove formed in the inner wall or the outer wall at the upper part of the crushing wall. The double component crushing wall has the advantages that 1, the critical defects that in the sand making process on the crushing wall made of a single material (no matter manganese steel or high-chromium cast iron), the abrasion losses on the crushing wall by stone materials in different specifications are different, so that the upper part of the crushing wall is slightly abraded while the lower part of the crushing wall is seriously abraded, then a groove is formed in a rolling sand making cavity, and the sand cannot be made, are solved radically; 2, the abrasion loss of the Mn13 at the upper part of the rolled mortar wall when the stone materials are crushed is in relative accordance with the abrasion loss of the rolling sand making cavity at the lower part of the high-chromium cast iron crushing wall.
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, two component circular cone sand making machine crushing wall and the preparation method of the wear-resisting requirement rolling sand processed can be met again, belong to circular cone sand making machine component assembly and manufacture 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 Mn13 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 rich chromium cast iron, 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, designs a kind of circular cone sand making machine and can meet wear-resisting requirement to rubble fragmentation in sand process processed, can meet again two component circular cone sand making machine crushing wall and the preparation method of the wear-resisting requirement rolling sand processed.
Design: in order to realize above-mentioned purpose of design.The present invention is in structural design: 1, crushing wall top is Mn13, crushing wall bottom is the design of rich chromium cast iron, is one of technical characteristic of the present invention.The object of such design is: Mn13 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 manganese steel steel plate Mn13 produces work hardening, case hardness rises to more than HB500 rapidly by HB200, 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 Mn13 internal layer austenite still keeps good impact flexibility.The present invention utilizes this characteristic of Mn13 just, the top of crushing wall (or middle part and top) is adopted Mn13, 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 rich chromium cast iron can obtain the matrix of martensite or austenite or the two mixed type and the alloy carbide of chromium by high-alloying and heat treatment, this alloy carbide is the Me in hexaplanar, C, its hardness is up to HVl200-1600, it has much higher wearability than potassium steel, its wearability is the several times of Mn13, it also has good high temperature resistance and corrosion resistance concurrently simultaneously, the present invention utilizes the above-mentioned characteristic of rich chromium cast iron to adopt it as the bottom moulding material of crushing wall just, portion is rolled in stone roller sand process processed in the crushing wall bottom that it not only solves background technology existence, its rate of wear is greater than the situation that the crushing wall bottom wearing and tearing brought on crushing wall top form groove, the wear extent of crushing wall bottom is made to define optimum coupling with the wear extent on crushing wall top, avoid crushing wall Upper wear amount little, the generation of bottom wear damage situation, not only greatly extend the service life of crushing wall, and while the use cost greatly reducing crushing wall, reduce sand cost processed.2, using the outer wall of crushing wall bottom or inwall annular groove section as crushing wall top shaping mould bed die, and making the design being in the state of cooling beyond the annular groove Access Division in crushing wall bottom, is technical characteristic two of the present invention.The object of such design is: mold counterdie outer wall or inwall have annular groove clamping shaping mould and the cross section of annular groove clamping shaping mould is inner large outer little because crushing wall waters, and groove is along having tubaeform casting runner on annular groove, when it is as crushing wall top shaping mould bed die, be cast to the annular groove that the crushing wall top melting Mn13 watered in mold enters crushing wall bottom and form fine and close concavo-convex snap-fit engagement, the crushing wall of Mn13 and rich chromium cast iron formation is obtained after cooling demoulding, crushing wall bottom synchronous can be driven to rise when rising under the effect of crushing wall top in external force, thus reach the size of Longkou (rolling chamber) between convenient adjustment crushing wall and crushing wall.3, using outer wall in crushing wall top or inwall annular groove section as crushing wall bottom shaping mould bed die, and making the design being in the state of cooling beyond the annular groove Access Division in crushing wall top, is technical characteristic three of the present invention.The object of such design is: owing to the outer wall on crushing wall top or inwall having annular groove and the cross section of annular groove is inner large outer little, and groove is along having tubaeform casting runner on annular groove, when it is as crushing wall bottom shaping mould bed die, be cast to the interior concavo-convex snap-fit engagement forming densification of annular groove that the crushing wall bottom melting rich chromium cast iron watered in mold enters crushing wall top, the crushing wall of Mn13 and rich chromium cast iron formation is obtained after cooling and demolding, crushing wall bottom synchronous can be driven to rise when rising under the effect of crushing wall top in external force, thus reach the size of Longkou (rolling chamber) between convenient adjustment crushing wall and crushing wall.
Technical scheme 1: a kind of two component circular cone sand making machine crushing wall, crushing wall top is Mn13, crushing wall bottom is rich chromium cast iron and crushing wall bottom outer wall or inwall have annular groove and form concavo-convex founding with annular groove on crushing wall upper inside wall or outer wall coordinate.
Technical scheme 2: the manufacture method of a kind of pair of component circular cone sand making machine crushing wall, (1) mold is watered and crushing wall waters fluted shaping clamping mould on mold counterdie outer wall or inwall in fabrication techniques crushing wall bottom routinely, mold counterdie is watered in the crushing wall bottom made to be placed on dither platform, under the vibration of dither platform, melting rich chromium cast iron is cast to crushing wall bottom and waters mold, obtain crushing wall bottom after cooling forming, then crushing wall bottom is heat-treated; (2) using the groove Access Division of crushing wall bottom as crushing wall top shaping mould bed die, the state of cooling is in below the groove Access Division of crushing wall bottom, then make crushing wall top water mold and be placed on dither platform, what melting Mn13 is cast to crushing wall top under the vibration of dither platform waters in mold, after cooling forming, concavo-convex snap-fit engagement is formed at crushing wall top and crushing wall bottom, and de-rear mold is heat-treated crushing wall top; (3) machining apparatus is adopted to carry out finishing to the crushing wall by Mn13 and rich chromium cast iron cast molding.
Technical scheme 3: the manufacture method of a kind of pair of component circular cone sand making machine crushing wall, (1) mold is watered and crushing wall top is watered on the outer wall of mold or inwall and had the shaping clamping mould of annular groove in fabrication techniques crushing wall top routinely, mold is watered on the crushing wall top made to be placed on dither platform, under the vibration of dither platform, melting Mn13 is cast to crushing wall top and waters mold, cooling and demolding obtains crushing wall top, then heat-treats crushing wall top; (2) using lower surface, crushing wall top as crushing wall bottom shaping mould bed die and crushing wall top is in the state of cooling, then make crushing wall bottom water mold and be placed on dither platform, what melting rich chromium cast iron is cast to crushing wall bottom under the vibration of dither platform waters in mold, after cooling forming, concavo-convex snap-fit engagement is formed at crushing wall bottom and crushing wall top, heat-treats after the demoulding to crushing wall bottom; (3) two component circular cone sand making machine crushing wall is namely obtained after finishing being carried out to the crushing wall by Mn13 and rich chromium cast iron cast molding.
The present invention is compared with background technology, one is no matter fundamentally solve single (is manganese steel, or rich chromium cast iron) material fragmentation wall is in sand process processed, because the building stones of different size are different to the wear extent of crushing wall, the crushing wall Upper wear caused 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 two is wear extenies of producing at broken building stones of the Mn13 on crushing wall top rolls sand chamber processed with rich chromium cast iron crushing wall bottom is relative consistent, thus sand chamber processed is rolled in stone roller sand process processed in the crushing wall bottom fundamentally solving homogenous material, due to wear extent be greater than crushing wall Upper wear amount cause the situation of groove, not only greatly extend the service life of crushing wall, and while the use cost greatly reducing crushing wall, reduce sand cost processed.
Accompanying drawing explanation
Fig. 1 is the structural representation of two component circular cone sand making machine crushing wall.
Fig. 2 is the structural representation mated by crushing wall and crushing wall.
Fig. 3 is the structural representation of homogenous material crushing wall.
Detailed description of the invention
Embodiment 1: with reference to accompanying drawing 1-2.A kind of two component circular cone sand making machine crushing wall, crushing wall top 1 is Mn13, crushing wall bottom 2 coordinates 3 for rich chromium cast iron and crushing wall bottom outer wall or inwall have annular groove and form concavo-convex founding with annular groove on crushing wall upper inside wall or outer wall, namely crushing wall top 1 annular boss is cast in the annular groove of crushing wall bottom 2, or crushing wall top 1 annular groove is cast on the annular boss of crushing wall bottom 2.On annular groove, groove is along having tubaeform casting runner.Mn13 crushing wall height is greater than the height of rich chromium cast iron crushing wall 2.The material of Mn13 crushing wall is ZGMn13-1, ZGMn13-2, ZGMn13-3, ZGMn13-4, ZGMn13-5.Rich chromium cast iron crushing wall material is Cr15 or Cr26.
Embodiment 2: the manufacture method of a kind of pair of component circular cone sand making machine crushing wall, (1) mold is watered and crushing wall waters fluted shaping clamping mould on mold counterdie outer wall or inwall in fabrication techniques crushing wall bottom routinely, mold counterdie is watered in the crushing wall bottom made to be placed on dither platform, under the vibration of dither platform, melting rich chromium cast iron is cast to crushing wall bottom and waters mold, obtain crushing wall bottom after cooling forming, then crushing wall bottom is heat-treated; (2) using the groove Access Division of crushing wall bottom as crushing wall top shaping mould bed die, the state of cooling is in below the groove Access Division of crushing wall bottom, then make crushing wall top water mold and be placed on dither platform, what melting Mn13 is cast to crushing wall top under the vibration of dither platform waters in mold, after cooling forming, concavo-convex snap-fit engagement is formed at crushing wall top and crushing wall bottom, and de-rear mold is heat-treated crushing wall top; (3) machining apparatus is adopted to carry out finishing to the crushing wall by Mn13 and rich chromium cast iron cast molding.Mn13 crushing wall height is greater than the height of rich chromium cast iron crushing wall 2.The material of Mn13 crushing wall is ZGMn13-1, ZGMn13-2, ZGMn13-3, ZGMn13-4, ZGMn13-5.Rich chromium cast iron crushing wall material is Cr15 or Cr26.
Embodiment 3: the manufacture method of a kind of pair of component circular cone sand making machine crushing wall, (1) mold is watered and crushing wall top is watered on the outer wall of mold or inwall and had the shaping clamping mould of annular groove in fabrication techniques crushing wall top routinely, mold is watered on the crushing wall top made to be placed on dither platform, under the vibration of dither platform, melting Mn13 is cast to crushing wall top and waters mold, cooling and demolding obtains crushing wall top, then heat-treats crushing wall top; (2) using lower surface, crushing wall top as crushing wall bottom shaping mould bed die and crushing wall top is in the state of cooling, then make crushing wall bottom water mold and be placed on dither platform, what melting rich chromium cast iron is cast to crushing wall bottom under the vibration of dither platform waters in mold, after cooling forming, concavo-convex snap-fit engagement is formed at crushing wall bottom and crushing wall top, heat-treats after the demoulding to crushing wall bottom; (3) two component circular cone sand making machine crushing wall is namely obtained after finishing being carried out to the crushing wall by Mn13 and rich chromium cast iron cast molding.Mn13 crushing wall height is greater than the height of rich chromium cast iron crushing wall 2.The material of Mn13 crushing wall is ZGMn13-1, ZGMn13-2, ZGMn13-3, ZGMn13-4, ZGMn13-5.Rich chromium cast iron crushing wall material is Cr15 or Cr26.
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 (12)
1. a two component circular cone sand making machine crushing wall, is characterized in that: crushing wall top is Mn13, crushing wall bottom is rich chromium cast iron and crushing wall bottom outer wall or inwall have annular groove and form concavo-convex founding with annular groove on crushing wall upper inside wall or outer wall coordinate.
2. according to claim 1 pair of component circular cone sand making machine crushing wall, is characterized in that: Mn13 crushing wall height is greater than the height of rich chromium cast iron crushing wall.
3. according to claim 1 pair of component circular cone sand making machine crushing wall, is characterized in that: the material of Mn13 crushing wall is ZGMn13-1, ZGMn13-2, ZGMn13-3, ZGMn13-4, ZGMn13-5.
4. according to claim 1 pair of component circular cone sand making machine crushing wall, is characterized in that: rich chromium cast iron crushing wall material is Cr15 or Cr26.
5. the manufacture method of a two component circular cone sand making machine crushing wall, it is characterized in that: (1) routinely fabrication techniques crushing wall bottom waters mold and crushing wall waters fluted shaping clamping mould on mold counterdie outer wall or inwall, mold counterdie is watered in the crushing wall bottom made to be placed on dither platform, under the vibration of dither platform, melting rich chromium cast iron is cast to crushing wall bottom and waters mold, obtain crushing wall bottom after cooling forming, then crushing wall bottom is heat-treated; (2) using the groove Access Division of crushing wall bottom as crushing wall top shaping mould bed die, the state of cooling is in below the groove Access Division of crushing wall bottom, then make crushing wall top water mold and be placed on dither platform, what melting Mn13 is cast to crushing wall top under the vibration of dither platform waters in mold, after cooling forming, concavo-convex snap-fit engagement is formed at crushing wall top and crushing wall bottom, and de-rear mold is heat-treated crushing wall top; (3) machining apparatus is adopted to carry out finishing to the crushing wall by Mn13 and rich chromium cast iron cast molding.
6. the manufacture method of according to claim 5 pair of component circular cone sand making machine crushing wall, is characterized in that: Mn13 crushing wall height is greater than the height of rich chromium cast iron crushing wall.
7. the manufacture method of according to claim 5 pair of component circular cone sand making machine crushing wall, is characterized in that: the material of Mn13 crushing wall is ZGMn13-1, ZGMn13-2, ZGMn13-3, ZGMn13-4, ZGMn13-5.
8. the manufacture method of according to claim 5 pair of component circular cone sand making machine crushing wall, is characterized in that: rich chromium cast iron crushing wall material is Cr15 or Cr26.
9. the manufacture method of a two component circular cone sand making machine crushing wall, it is characterized in that: (1) routinely fabrication techniques crushing wall top waters mold and crushing wall top is watered on the outer wall of mold or inwall and had the shaping clamping mould of annular groove, mold is watered on the crushing wall top made to be placed on dither platform, under the vibration of dither platform, melting Mn13 is cast to crushing wall top and waters mold, cooling and demolding obtains crushing wall top, then heat-treats crushing wall top; (2) using lower surface, crushing wall top as crushing wall bottom shaping mould bed die and crushing wall top is in the state of cooling, then make crushing wall bottom water mold and be placed on dither platform, what melting rich chromium cast iron is cast to crushing wall bottom under the vibration of dither platform waters in mold, after cooling forming, concavo-convex snap-fit engagement is formed at crushing wall bottom and crushing wall top, heat-treats after the demoulding to crushing wall bottom; (3) two component circular cone sand making machine crushing wall is namely obtained after finishing being carried out to the crushing wall by Mn13 and rich chromium cast iron cast molding.
10. the manufacture method of according to claim 9 pair of component circular cone sand making machine crushing wall, is characterized in that: Mn13 crushing wall height is greater than the height of rich chromium cast iron crushing wall.
The manufacture method of 11. according to claim 9 pairs of component circular cone sand making machine crushing walls, is characterized in that: the material of Mn13 crushing wall is ZGMn13-1, ZGMn13-2, ZGMn13-3, ZGMn13-4, ZGMn13-5.
The manufacture method of 12. according to claim 9 pairs of component circular cone sand making machine crushing walls, is characterized in that: rich chromium cast iron crushing wall material is Cr15 or Cr26.
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Cited By (2)
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| CN109158839A (en) * | 2018-09-29 | 2019-01-08 | 安徽新芜精密装备制造产业技术研究院有限公司 | A kind of turning process of electrovacuum ZGMn13 |
| CN111531150A (en) * | 2020-06-02 | 2020-08-14 | 含山县大力精密机械有限公司 | Device and method for machining surface of double-metal crushing wall of cone crusher |
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| CN104801381B (en) | 2019-01-25 |
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