CN104801388B - Diameter is less than the gyratory crusher two-component crushing wall and method of 2000mm - Google Patents
Diameter is less than the gyratory crusher two-component crushing wall and method of 2000mm Download PDFInfo
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- CN104801388B CN104801388B CN201510156225.0A CN201510156225A CN104801388B CN 104801388 B CN104801388 B CN 104801388B CN 201510156225 A CN201510156225 A CN 201510156225A CN 104801388 B CN104801388 B CN 104801388B
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Abstract
The present invention relates to a kind of gyratory crushers to be both able to satisfy the ratchel broken wear-resisting requirement to rolled mortar wall during broken building stones, the diameter for being able to satisfy the broken wear-resisting requirement to rolled mortar wall of finger stone again is less than the gyratory crusher two-component crushing wall and production method of 2000mm, and crushing wall top is potassium steel, crushing wall lower part is high-carbon chromium steel.Advantage: first is that fundamentally solving homogenous material crushing wall during broken building stones, since the building stones of different size are different to the abrasion loss of crushing wall, building stones breaking cavity can not be crushed the critical defect of building stones at groove caused by caused crushing wall Upper wear is small, lower part abrasion is big；Second is that the potassium steel on crushing wall top abrasion loss caused by broken building stones and the abrasion loss that broken building stones chamber is rolled in high-carbon chromium steel crushing wall lower part are relatively uniform, not only greatly extend the service life of crushing wall, and while greatly reducing the use cost of crushing wall, broken building stones cost is reduced.
Description
Technical field
Ratchel was both able to satisfy during broken building stones the present invention relates to a kind of gyratory crusher to be crushed to rolled mortar wall
Wear-resisting requirement, and it is able to satisfy the double groups of gyratory crusher of the diameter less than 2000mm of the broken wear-resisting requirement to rolled mortar wall of finger stone
Part crushing wall and production method belong to gyratory crusher component assembly manufacturing field.
Background technique
CN101954456A, title are " for casting the manufacture of the metal mold of gyratory crusher manganese steel crushing wall or rolled mortar wall
Method ", manufacturing method include the following steps: (1) according to breaking wall of spindle breaker or rolled mortar wall different size specifications and models, system
Make the natural pattern of crushing wall or rolled mortar wall；(2) it is separately designed according to the shape of natural pattern the corresponding wall thickness of manufacture, integrally-built
Metal mold and the outer metal mold of nearly shape in nearly shape；(3) tubaeform gas vent is laid in nearly interior metal mold and nearly outer metal mold；(4)
Nearly interior metal mold and nearly outer metal mold, natural pattern are assemblied on mold(ing) board, reserve type chamber.But due to gyratory crusher
During broken building stones from oversize rock material it is broken to be crushed to fritter building stones is two different working conditions, rolled mortar wall
Top is for being crushed oversize rock material, and what oversize rock material formed rolled mortar wall top is impact load, and building stones and rolled mortar wall
What is formed with crushing wall is not know, be not all of the impact extruded cooperation of contact, thus to rolled mortar wall and crushing wall top
State of wear it is relatively small；And rolled mortar wall and crushing wall lower part are that rubble rolls manufacture chamber, broken small building stones are formed with rolled mortar wall
The rubble of plyability, full contact property, broken gravelstone between rolled mortar wall and crushing wall are small in rolled mortar wall and crushing wall
Under strength squeezes, broken small building stones to rolling, ward off and the abrasion of crushing wall is extremely serious by mortar.If rolling mortar using homogenous material production is adopted
Wall and crushing wall, either potassium steel or rich chromium cast iron, since the building stones of different size are different to the abrasion loss of rolled mortar wall,
As a result it causes rolled mortar wall and crushing wall Upper wear is small, middle part abrasion opposite upper parts are small and the situation to form groove is worn in lower part,
Rolled mortar wall and crushing wall is caused to wear, blanking velocity is slow, and machine electric current increases, and instruction replacement crushing wall, crushing wall uses week
Phase is short.
Summary of the invention
Purpose of design: avoiding the shortcoming in background technique, designs a kind of gyratory crusher during broken building stones
Not only it had been able to satisfy the broken wear-resisting requirement to rolled mortar wall of ratchel, but also has been able to satisfy the straight of the broken wear-resisting requirement to rolled mortar wall of finger stone
Diameter is less than the gyratory crusher two-component crushing wall and production method of 2000mm.
Design scheme: in order to realize above-mentioned purpose of design.The present invention is in structure design: 1, crushing wall top is Gao Meng
Steel, the design that crushing wall lower part is high-carbon chromium steel, are one of technical characteristics of the invention.The purpose of this design is: Gao Meng
Steel is resistant to one of the optimal selection in the wear-resistant materials such as thump, the abrasion of big pressure material, it not only has other wear-resisting materials
Expect incomparable Work Hardening Characteristic, and in greater impact load or under the action of compared with large contacting stress, potassium steel
Surface layer generates processing hardening, and surface hardness promotes rapidly HRC45 or more by HRC17--21, and with cementation zone
It gradually wearing out, new work hardening layer can be formed successively, thus while generating endlessly high abrasion superficial layer, and
Potassium steel internal layer austenite still keeps good impact flexibility.The present invention is exactly to utilize this characteristic of potassium steel, by crushing wall
Top (or middle part and top) use potassium steel, since crushing wall top is for being crushed building stones, building stones are to crushing wall top
What is formed is precisely impact load, it is thus possible to make crushing wall case-hardening, hardness is promoted rapidly, meets crushing wall top
Hardness requirement and wear-resisting requirement to rubble；And the carbon containing Wc of high-carbon chromium steel is 1% or so, chrome content Wcr is 1.5% or so, and is contained
There is the hypereutectoid steel of a small amount of manganese, element silicon.Chromium can improve heat treatment performance, improve harden ability, structural homogenity, tempering surely
It is qualitative, and the rustless property and grinding performance of steel can be improved, hardness reaches HRC63 ± 3, has excellent wearability, meets
The wear-resisting requirement of broken building stones is rolled, abrasion loss is significantly less than potassium steel.2, the lower end surface on crushing wall top and crushing wall
The upper surface of lower part is in the design that inclined-plane is engaged by clamping, and is the second technical feature of the present invention.The purpose of this design is: by
It is the outer inclined-plane of annular in the lower end surface on crushing wall top, and the upper surface of crushing wall lower part is annular outer inclined-plane and the two inclined-plane
Taper is identical, therefore when the lower end surface of the upper surface on crushing wall top and crushing wall lower part is contacted by mantle grafting, with regard to phase
When the lower part for being inserted into crushing wall in crushing wall top, not only matching is good, but also stablizes, securely.
Technical solution 1: a kind of diameter is less than the gyratory crusher two-component crushing wall of 2000mm, and crushing wall top is Gao Meng
Steel, crushing wall lower part are high-carbon chromium steel.
Technical solution 2: a kind of manufacturing method of gyratory crusher two-component crushing wall of the diameter less than 2000mm, (1) is pressed
Mold is poured in routine techniques production crushing wall lower part, and mold is poured in the crushing wall lower part made and is placed on high-frequency vibration platform,
Melting high-carbon chromium steel is cast to crushing wall lower part under the vibration of high-frequency vibration platform and pours mold, is obtained under crushing wall after cooling and shaping
Then portion is heat-treated crushing wall lower part, is finished；(2) routinely technology makes crushing wall upper pouring mould, will make
Good crushing wall top is poured mold and is placed on high-frequency vibration platform, will melting potassium steel casting under the vibration of high-frequency vibration platform
It is poured in mold to crushing wall top, crushing wall top is obtained after cooling and shaping, then crushing wall top is heat-treated, finishing
Work；(3) the crushing wall top after finishing is connected in the outer inclined-plane of crushing wall lower part upper end.
Compared with the background technology, the present invention, first is that fundamentally solving homogenous material crushing wall in broken building stones process
In, since the building stones of different size are different to the abrasion loss of crushing wall, caused crushing wall Upper wear is small, lower part abrasion is big
Caused by building stones breaking cavity the critical defects of building stones can not be crushed at groove；Second is that the potassium steel on crushing wall top is broken
Abrasion loss caused by metaling and the abrasion loss that broken building stones chamber is rolled in high-carbon chromium steel crushing wall lower part are relatively uniform, thus from
Broken building stones chamber is rolled during grinding broken building stones in the crushing wall lower part for fundamentally solving homogenous material, since abrasion loss is big
The situation of the groove caused by crushing wall Upper wear amount, not only greatly extends the service life of crushing wall, but also significantly
While ground reduces the manufacturing cost and use cost of crushing wall, broken building stones cost is reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of gyratory crusher two-component crushing wall of the diameter less than 2000mm.
Fig. 2 is by crushing wall and the matched structural schematic diagram of crushing wall.
Fig. 3 is the structural schematic diagram of homogenous material crushing wall.
Specific embodiment
Embodiment 1: referring to attached drawing 1-2.A kind of diameter is less than the gyratory crusher two-component crushing wall of 2000mm, crushing wall
Top 1 is potassium steel, crushing wall lower part 2 is high-carbon chromium steel.1 lower end surface of crushing wall top is the outer inclined-plane of annular, crushing wall lower part 2
Upper surface is annular outer inclined-plane and coincide 3 with 1 upper surface of crushing wall top.Potassium steel crushing wall height is broken greater than high-carbon chromium steel
The height of wall 2.
Embodiment 2: on the basis of embodiment 1, a kind of diameter is less than the gyratory crusher two-component crushing wall of 2000mm
Manufacturing method, (1) routinely technology production crushing wall lower part pour mold, mold is poured into the crushing wall lower part made and is placed in height
On frequency vibration moving platform, melting high-carbon chromium steel is cast to crushing wall lower part under the vibration of high-frequency vibration platform and pours mold, it is cooling
Crushing wall lower part is obtained after molding, and then crushing wall lower part is heat-treated, is finished；(2) routinely technology makes crushing wall
The crushing wall top made is poured mold and is placed on high-frequency vibration platform, in the vibration of high-frequency vibration platform by upper pouring mould
It is lower that melting potassium steel is cast to crushing wall top and pours in mold, after cooling and shaping crushing wall top, then on crushing wall
Portion is heat-treated, is finished；(3) the crushing wall top after finishing is connected in the outer inclined-plane of crushing wall lower part upper end i.e.
Can, i.e., potassium steel crushing wall outer wall and high-carbon chromium steel crushing wall upper surface are engaged by clamping in inclined-plane.
It is to be understood that: although above-described embodiment retouches mentality of designing of the invention detailed text of contrasting
It states, but these verbal descriptions, only the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Limitation, any combination, increase or modification without departing from mentality of designing of the present invention falls within the protection scope of the present invention.
Claims (3)
1. a kind of diameter be less than 2000mm gyratory crusher two-component crushing wall, it is characterized in that: crushing wall top be potassium steel,
Crushing wall lower part is high-carbon chromium steel and hardness HRC63 ± 3, and crushing wall top lower end surface is the outer inclined-plane of annular, on crushing wall lower part
End face is annular outer inclined-plane and coincide with crushing wall top upper surface, since the lower end surface on crushing wall top is the outer inclined-plane of annular,
And the upper surface of crushing wall lower part is identical for the taper of annular outer inclined-plane and the two inclined-plane, therefore works as the upper surface on crushing wall top
When contacting with the lower end surface of crushing wall lower part by mantle grafting, it is equivalent to the lower part of crushing wall top insertion crushing wall, no
Only matching is good, and stablizes, securely；Its manufacturing method:
(1) routinely mold is poured in technology production crushing wall lower part, and mold is poured in the crushing wall lower part made and is placed in high-frequency vibration
On platform, melting high-carbon chromium steel is cast to crushing wall lower part under the vibration of high-frequency vibration platform and pours mold, after cooling and shaping
Crushing wall lower part is obtained, then crushing wall lower part is heat-treated, is finished；(2) routinely technology production crushing wall top is poured
The crushing wall top made is poured mold and is placed on high-frequency vibration platform, will melted under the vibration of high-frequency vibration platform by injection molding
Melt potassium steel and be cast to crushing wall top and pour in mold, after cooling and shaping crushing wall top, then crushing wall top is carried out
Heat treatment, finishing；(3) the crushing wall top after finishing is connected in the outer inclined-plane of crushing wall lower part upper end.
2. diameter according to claim 1 is less than the gyratory crusher two-component crushing wall of 2000mm, it is characterized in that: Gao Meng
Steel crushing wall height is greater than the height of high-carbon chromium steel crushing wall.
3. diameter according to claim 1 is less than the gyratory crusher two-component crushing wall of 2000mm, it is characterized in that: Gao Meng
Steel crushing wall outer wall and high-carbon chromium steel crushing wall inner wall are engaged by clamping in the conical surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510156225.0A CN104801388B (en) | 2015-04-03 | 2015-04-03 | Diameter is less than the gyratory crusher two-component crushing wall and method of 2000mm |
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| CN201510156225.0A CN104801388B (en) | 2015-04-03 | 2015-04-03 | Diameter is less than the gyratory crusher two-component crushing wall and method of 2000mm |
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| CN104801388A CN104801388A (en) | 2015-07-29 |
| CN104801388B true CN104801388B (en) | 2018-12-21 |
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| CN104801387B (en) * | 2015-04-03 | 2019-01-25 | 浙江双金机械集团股份有限公司 | Diameter is less than the circular cone sand making machine two-component crushing wall and method of 2000mm |
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| CN201012329Y (en) * | 2006-09-19 | 2008-01-30 | 西安建筑科技大学 | Composite crashing wall and composite rolled mortar wall |
| CN102319597A (en) * | 2011-09-30 | 2012-01-18 | 浙江双金机械集团有限公司 | Superstrong high chromium cast iron conical sand-making machine and manufacturing method of high chromium crushing wall assembly |
| CN102962399A (en) * | 2012-11-02 | 2013-03-13 | 浙江双金机械集团股份有限公司 | High-frequency vibration casting mold of conical sand maker breaking wall and casting process |
| CN103769265A (en) * | 2013-10-23 | 2014-05-07 | 浙江双金机械集团股份有限公司 | Super wear-resistant sand-making roller compaction opening of conic sand making machine and forming method |
| CN104801387A (en) * | 2015-04-03 | 2015-07-29 | 浙江双金机械集团股份有限公司 | Cone sand maker two-component crushing wall being smaller than 2000 mm in diameter and manufacturing method |
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2015
- 2015-04-03 CN CN201510156225.0A patent/CN104801388B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1655871A (en) * | 2002-05-23 | 2005-08-17 | 山特维克公司 | Wear part intended for a crusher and a method of manufacturing the same |
| CN201012329Y (en) * | 2006-09-19 | 2008-01-30 | 西安建筑科技大学 | Composite crashing wall and composite rolled mortar wall |
| CN102319597A (en) * | 2011-09-30 | 2012-01-18 | 浙江双金机械集团有限公司 | Superstrong high chromium cast iron conical sand-making machine and manufacturing method of high chromium crushing wall assembly |
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