CN108044033A - Preparation method, milling and planing drum, the preparation method of milling machine and the milling machine of milling and planing drum - Google Patents

Preparation method, milling and planing drum, the preparation method of milling machine and the milling machine of milling and planing drum Download PDF

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Publication number
CN108044033A
CN108044033A CN201711311586.3A CN201711311586A CN108044033A CN 108044033 A CN108044033 A CN 108044033A CN 201711311586 A CN201711311586 A CN 201711311586A CN 108044033 A CN108044033 A CN 108044033A
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CN
China
Prior art keywords
milling
sand
preparation
planing drum
planing
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Granted
Application number
CN201711311586.3A
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Chinese (zh)
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CN108044033B (en
Inventor
张凯
彭清莲
卢晓兵
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Hunan Sany Road Machinery Co Ltd
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Hunan Sany Road Machinery Co Ltd
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Publication of CN108044033A publication Critical patent/CN108044033A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/08Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/082Sprues, pouring cups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/10Cores; Manufacture or installation of cores
    • B22C9/103Multipart cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/22Moulds for peculiarly-shaped castings
    • B22C9/24Moulds for peculiarly-shaped castings for hollow articles
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • C22C33/06Making ferrous alloys by melting using master alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32Ferrous alloys, e.g. steel alloys containing chromium with boron
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088Rotary tools, e.g. milling drums

Abstract

The present invention provides a kind of preparation method of milling and planing drum, milling and planing drum, the preparation method of milling machine and milling machines, belong to milling machine technical field.The preparation method of milling and planing drum includes step of overall modelling:Sand mold is manufactured and using coremaking sand manufacture sand core using moulding sand, sand core and sand mold are combined, milling and planing drum cavity is formed between sand mold and sand core, riser and cast passage are set on sand mold;Pour into a mould step:Steel raw material is selected, smelting furnace is put into and is melted, the liquid steel after fusing is poured into along cast passage in sand mold;Cleanup step:The milling and planing drum of moulding by casting is cleared from sand mold, cutting riser, burr and overlap, polishing scab position.This method realizes production milling and planing drum by casting, and needs not move through reel equipment, it is not required that by welding, production cost is greatly reduced, accelerates production efficiency, it is highly practical.

Description

Preparation method, milling and planing drum, the preparation method of milling machine and the milling machine of milling and planing drum
Technical field
The present invention relates to milling machine technical field, in particular to a kind of preparation method of milling and planing drum, milling and planing drum, milling The preparation method and milling machine of planer.
Background technology
At present, the quantity of national asphalt roads increases quickly, and vehicle flowrate also rapidly increases, and asphalt roads is through after a while After use, road surface will have different degrees of damage, it is necessary to partly or entirely be repaired to it, this just needs to use milling Machine.
Milling machine generally includes milling and planing drum and conveyor belt, and milling and planing drum mainly includes roller, tool apron and mounted on tool apron On cutter.Tool apron is multiple, and multiple tool aprons are fixed on the working face of roller and helically the linear alignment, the helix of formation To be a plurality of and be alternatively arranged, at least one material-throwing device is equipped between every two adjacent helixes, which can be straight It connects and the waste material that milling generates is thrown in conveyor belt, effectively prevent milling waste material from leaking outside, avoid the secondary clear of road surface Science and engineering is made, and improves work efficiency.
Inventor has found under study for action, is at least had the following disadvantages in traditional milling and planing drum production process:
Steel plate needed for milling and planing drum roller is thicker, and the requirement to reel equipment is high;
Roller seam crossing is high to the technological requirement of welding.
The content of the invention
Object of the present invention is to provide a kind of preparation methods of milling and planing drum, improve the deficiencies in the prior art, can Production milling and planing drum is realized by casting, and needs not move through reel equipment, it is not required that by welding, greatly reduce and be produced into This, accelerates production efficiency, highly practical.
It the present invention also aims to provide a kind of milling and planing drum, is manufactured, adapted to big by above-mentioned method Part milling machine.
Another object of the present invention is to provide a kind of preparation method of milling machine, including milling and planing drum mentioned above Preparation method.
Another object of the present invention, which also resides in, provides a kind of milling machine, is manufactured by the preparation method of above-mentioned milling machine Shaping.
What the embodiment of the present invention was realized in:
The embodiment provides a kind of preparation method of milling and planing drum, including:
Step of overall modelling:Sand mold is manufactured and using coremaking sand manufacture sand core using moulding sand, by the sand core and the sand mold Combination forms milling and planing drum cavity between the sand mold and the sand core, riser and cast passage are set on the sand mold;
Pour into a mould step:Steel raw material is selected, smelting furnace is put into and is melted, by the liquid steel after fusing along the cast passage It pours into the sand mold;
Cleanup step:The milling and planing drum of moulding by casting is cleared from the sand mold, cutting riser, burr and overlap, Polishing scab position.
Specifically, this method realizes production milling and planing drum by casting, reel equipment is needed not move through, it is not required that by weldering It connects, greatly reduces production cost, accelerate production efficiency, it is highly practical.
Optionally, in the step of overall modelling, using bottom Shower gating system, the cast passage and the milling and planing drum The link position of cavity is located at the bottom of the milling and planing drum cavity.
Optionally, the method further includes sand loading step:
Resin sand, and jolt ramming are inserted in sandbox, the sand core is positioned, after the resin sand cures, forms institute The assembly of sand mold and the sand core is stated, the inside of the assembly forms the milling and planing drum cavity.
Optionally, by mass percentage, the content of carbon is 0.21%-0.24% in the liquid steel, and the content of silicon is 0.2%-0.4%, the content of manganese is 1.0%-1.4%, and the content of chromium is 0.1%-0.3%, and the content of niobium is 0.01%- 0.03%, the content of titanium is 0.01%-0.025%, and the content of boron is 0.0012%-0.002%, content≤0.015% of phosphorus, Content≤0.003% of sulphur, remaining substance are iron.
Optionally, the cast step includes furnace charge preparation process and the charging before the steel raw material is melted Step;
The furnace charge preparation process:Each due mass fraction of element in the steel raw material is calculated, and carries out dispensing;
The charging procedure:Using medium-frequency induction furnace carry out melting, spread last layer flux in the bottom of electric furnace, immediately to Ferromanganese, ferrochrome and nickel are added in the electric furnace;
Energization makes the steel melting sources, first supplies the power of the electric furnace 50%-70%, after current fluctuation is steady, Gradually by power increase to maximum, in the steel melting process of raw material, material is constantly disclosed, until the steel raw material all melts.
Optionally, the cast step be additionally included in the steel raw material carry out the first adjustment step in fusion process and Second adjustment step after the first adjustment step;
The first adjustment step:Ferromanganese is added in into the smelting furnace and ferrosilicon carries out pre-deoxidation, in the smelting furnace Liquid steel is sampled detection, according to the sampling detection as a result, carrying out composition adjustment;
The second adjustment step:Make to be warming up to 1580 DEG C -1590 DEG C in the smelting furnace, add in aluminium and carry out final deoxidizing, melt Liquid steel is poured into the sand mold after refining.
Optionally, the sand core include roller blocks, material casting mechanism module and toothholder module, the material casting mechanism module with The toothholder module is detachable compared with the roller blocks.
The embodiment of the present invention additionally provides a kind of milling and planing drum, is manufactured by the preparation method of above-mentioned milling and planing drum.
The embodiment of the present invention additionally provides a kind of preparation method of milling machine, includes the system of milling and planing drum mentioned above Preparation Method.
The embodiment of the present invention additionally provides a kind of milling machine, is manufactured by the preparation method of above-mentioned milling machine.
Compared with prior art, the advantageous effect of the embodiment of the present invention is:
In conclusion the preparation method of milling and planing drum realizes production milling and planing drum by casting, reel equipment is needed not move through, Welding is needed not move through, greatly reduces production cost, accelerates production efficiency, it is highly practical.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the sand mould structure schematic diagram that the embodiment of the present invention 1 provides;
Fig. 2 is the structure diagram for the milling and planing drum casting that the embodiment of the present invention 1 provides;
Fig. 3 is the preparation method operational flowchart for the milling and planing drum that the embodiment of the present invention 1 provides;
Fig. 4 is the operational flowchart for the cast step that the embodiment of the present invention 1 provides.
Icon:100- milling and planing drum casting;101- rollers;102- toothholders;103- material castings mechanism;The first riser of 201-;202- Second riser;203- sprues;204- cross gates;205- ingates;206- slag traps;301- step of overall modelling;302- cast steps Suddenly;303- cleanup steps;304- furnace charge preparation process;305- charging procedures;306- the first adjustment steps;307- second adjustments walk Suddenly.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings The component of example can configure to arrange and design with a variety of.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects It encloses.
It should be noted that:Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is necessary to explanation, the instructions such as term " on ", " under ", " vertical ", " level ", " interior " Orientation or position relationship be based on orientation shown in the drawings or position relationship or the invention product using when usually put Orientation or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or imply signified device Or element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important Property.
In addition, the terms such as term " level ", " vertical " are not offered as requiring component abswolute level or pendency, but can be slightly Low dip.It is not to represent that the structure has been had to if " level " only refers to that its direction is more horizontal with respect to for " vertical " It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ", " installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect It connects;Can be mechanical connection or electrical connection;It can be directly connected, can also be indirectly connected by intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, can above-mentioned term be understood with concrete condition Concrete meaning in the present invention.
Embodiment 1
- Fig. 4 is please referred to Fig.1, present embodiments provides a kind of preparation method of milling and planing drum, including:
Step of overall modelling 301:Sand mold is manufactured using moulding sand and sand core is manufactured using coremaking sand, sand core and sand mold are combined, Milling and planing drum cavity is formed between sand mold and sand core, riser and cast passage are set on sand mold;
Pour into a mould step 302:Steel raw material is selected, smelting furnace is put into and is melted, by the liquid steel after fusing along cast passage It pours into sand mold;
Cleanup step 303:The milling and planing drum of moulding by casting is cleared from sand mold, cutting riser, burr and overlap are beaten Grind scab position.
Generally, according to the characteristics of milling and planing drum, the features such as wall is thin, cylindrical shape, big weight, self-hardening resin sand is selected to carry out Manufacture sand mold.
When it is implemented, this method further includes sand loading step:Resin sand, and jolt ramming are inserted in sandbox, sand core is carried out Positioning after resin sand cures, forms the assembly of sand mold and sand core, and the inside of assembly forms milling and planing drum cavity.It will make Sandbox place carry out it is to be cast.
By final cleaning, milling and planing drum casting 100 is obtained, generally, after being subsequently machined out to fitted position then Milling and planing drum finished product can be become, on milling machine.
This method realizes production milling and planing drum by casting, and needs not move through reel equipment, it is not required that by welding, significantly Production cost is reduced, accelerates production efficiency, it is highly practical.
In the present embodiment, step of overall modelling 301 uses bottom Shower gating system, the company of cast passage and milling and planing drum cavity Connect the bottom that position is located at milling and planing drum cavity.
Pouring into a mould passage includes sprue 203, cross gate 204 and ingate 205, and sprue 203 and cross gate 204 are L-shaped, Cross gate 204 is also L-shaped with ingate 205, and the quantity of ingate 205 is multiple, ensures liquid steel after pouring into a mould even into milling Dig drum type intracavitary.
Sprue 203 can be understood as in vertical running channel, and cross gate 204 can be understood as in horizontal running channel.
The present embodiment is also provided with slag trap 206, is located on cross gate 204, collects slag convenient for precipitation.By setting first 201 and second riser 202 of riser, effectively prevents shrinkage cavity and porosity, is conducive to feeding.First riser 201 is located relatively at sprue 203 end, the second riser 202 are located relatively at the junction of cross gate 204 and ingate 205.
Using bottom Shower gating system, type uniform and stable is filled, is not rotated in cavity, slag can be avoided to adhere to.
It of courses, in other embodiment, general pouring type can also be selected, as long as cast can be realized.
In the present embodiment, by mass percentage, the content of carbon is 0.21%-0.24% in liquid steel, and the content of silicon is 0.2%-0.4%, the content of manganese is 1.0%-1.4%, and the content of chromium is 0.1%-0.3%, and the content of niobium is 0.01%- 0.03%, the content of titanium is 0.01%-0.025%, and the content of boron is 0.0012%-0.002%, content≤0.015% of phosphorus, Content≤0.003% of sulphur, remaining substance are iron.
When it is implemented, the content of carbon can be 0.21%, 0.22%, 0.23%, 0.24% etc., the content of silicon can be 0.2%th, 0.3%, 0.4% etc., the content of manganese can be 1.0%, 1.1%, 1.2%, 1.3%, 1.4% etc., and the content of chromium can Think 0.1%, 0.2%, 0.3% etc., the content of niobium can be 0.01%, 0.02%, 0.03% etc., and the content of titanium can be 0.01%th, 0.02%, 0.025% etc., the content of boron can be 0.0012%, 0.0015%, 0.002% etc., and the content of phosphorus can Think 0.015%, 0.013%, 0.01% etc., the content of sulphur can be 0.003%, 0.0025%, 0.002% etc..Its excess Matter is iron.
The casting gone out by the ingredient final molding improves 2.5 times compared with the service life of existing Q345.Its is resistance to Mill property is notable.
In the present embodiment, cast step 302 includes furnace charge preparation process 304:
The due mass fraction of each element in steel raw material is calculated, and carries out dispensing.
Generally, first determining mass fraction substantially, and dispensing is carried out, form mixture.Quality corresponding to the element Fraction may be referred to above-mentioned content parameter.
In the present embodiment, cast step 302 is additionally included in the charging procedure 305 before steel raw material is melted:
Melting is carried out using medium-frequency induction furnace, last layer flux is spread in the bottom of electric furnace, adds in manganese into electric furnace immediately Iron, ferrochrome and nickel;
Energization makes steel melting sources, the power of electric furnace 50%-70% is first supplied, after current fluctuation is steady, gradually by work( Rate is enlarged to maximum, in steel melting process of raw material, constantly discloses material, until steel raw material all melts.
The present embodiment selects electric furnace, and the regulation and control of temperature are realized by power supply volume, generally, the first power of supply 60%, After current fluctuation is steady, power is gradually increased, and material is constantly disclosed in fusion process, prevents phenomenon appearance of " building bridge ", and handle The furnace charge not installed adds in successively, until all fusings.
It of courses, the present embodiment is converted into thermal energy using electric energy and is melted, and in other embodiment or burns Chemical energy is converted into thermal energy by coal, natural gas etc., as long as can be melted above-mentioned dispensing.
In the present embodiment, cast step 302 is additionally included in the first adjustment step 306 in steel raw material progress fusion process:
Ferromanganese and ferrosilicon are added in into smelting furnace and carries out pre-deoxidation, detection is sampled to the liquid steel in smelting furnace, according to taking Sample detection as a result, carry out composition adjustment.
Generally, in testing result, what kind of element lacked, then the corresponding compound added corresponding to the element, continues to melt, Continue sampling detection, until in the result of detection, the accounting of element meets use demand in the ingredient, then can enter in next step Process.
It of courses, in other embodiment, if the ingredient that fusing final molding is carried out after dispensing is met the requirements, subsequent behaviour Work can be operated directly according to the ratio of the dispensing, so as to which the first adjustment step 306 is saved.It of courses, in order to The quality of product is improved, the first adjustment step 306 is existing for necessity.
In the present embodiment, the second adjustment step 307 after step 302 is additionally included in the first adjustment step 306 is poured into a mould:
Make to be warming up to 1580 DEG C -1590 DEG C in smelting furnace, add in aluminium and carry out final deoxidizing, liquid steel is poured into sand after melting In type.
The temperature can be 1580 DEG C, 1585 DEG C, 1590 DEG C etc., add in aluminium and carry out final deoxidizing.By the operation, further The purity of liquid steel is improved, further improves the quality of product.
In the present embodiment, sand core includes roller blocks, material casting mechanism module and toothholder module, material casting mechanism module and toothholder Module is detachable compared with roller blocks.
Roller blocks correspondence molds roller 101, and material casting mechanism module correspondence molds material casting mechanism 103, toothholder module Correspondence molds toothholder 102.Generally, the roller 101, material casting mechanism 103 and toothholder 102 then constitute milling and planing drum casting 100. By the way that material casting mechanism module and toothholder module is made to be located at the different position of roller blocks, it can realize and mold different milling and planing drums Casting 100, but the milling and planing drum casting 100 that final molding goes out, thirdly big component is integrally formed.
A kind of preparation method of the milling and planing drum provided according to embodiments of the present invention, the principle of the preparation method of milling and planing drum are:
It realizes that the whole of roller 101, material casting mechanism 103 and toothholder 102 is integrally formed by casting, is formed using new component Liquid steel moulding by casting, improve its wearability.
Reel and welding procedure have been saved, by modular operation, has realized that material casting mechanism 103 and the accurate of toothholder 102 are determined Position.
In this way, effectively reducing production cost, production efficiency is improved, product quality is improved, greatly prolongs its use Service life.
Embodiment 2
A kind of milling and planing drum is present embodiments provided, is manufactured by above-mentioned preparation method.
The milling and planing drum has preferable wearability, and compared with the prior art, service life increases significantly.
By integrally formed milling and planing drum, quality is higher, and when work is not easy to fall off, reduces the incidence of accident.
Embodiment 3
The present embodiment also provides a kind of preparation method of milling machine, includes the preparation side of milling and planing drum mentioned above Method.
The preparation method of milling and planing drum may be referred to embodiment 1.
In the production process of milling machine, the production of the machine and milling and planing drum can be relatively independent, the milling after shaping Drum can be directly installed in the machine, so as to form milling machine.
Embodiment 4
A kind of milling machine is present embodiments provided, including above-mentioned milling and planing drum.Or it is can be understood as by above-mentioned The preparation method of milling machine is manufactured.
After milling and planing drum is molded from cavity, by cutting riser, burr, overlap etc., polishing scab position obtains milling and planing drum Casting 100 by being machined into milling and planing drum finished product, can be directly installed on enterprising exercise of milling machine and use.
In conclusion the present invention provides a kind of preparation method of milling and planing drum, which realizes production by casting Milling and planing drum needs not move through reel equipment, it is not required that and by welding, production cost is greatly reduced, accelerates production efficiency, It is highly practical.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of preparation method of milling and planing drum, which is characterized in that including:
Step of overall modelling (301):Sand mold is manufactured and using coremaking sand manufacture sand core using moulding sand, by the sand core and the sand mold Combination forms milling and planing drum cavity between the sand mold and the sand core, riser and cast passage are set on the sand mold;
Pour into a mould step (302):Steel raw material is selected, smelting furnace is put into and is melted, the liquid steel after fusing is logical along the cast Road is poured into the sand mold;
Cleanup step (303):The milling and planing drum of moulding by casting is cleared from the sand mold, cutting riser, burr and overlap, Polishing scab position.
2. the preparation method of milling and planing drum according to claim 1, which is characterized in that in the step of overall modelling (301), use Bottom Shower gating system, the link position of the cast passage and the milling and planing drum cavity are located at the milling and planing drum cavity Bottom.
3. the preparation method of milling and planing drum according to claim 1, which is characterized in that the method further includes sand loading step:
Resin sand, and jolt ramming are inserted in sandbox, the sand core is positioned, after the resin sand cures, forms the sand The assembly of type and the sand core, the inside of the assembly forms the milling and planing drum cavity.
4. the preparation method of milling and planing drum according to claim 1, which is characterized in that by mass percentage, the liquid steel The content of middle carbon is 0.21%-0.24%, and the content of silicon is 0.2%-0.4%, and the content of manganese is 1.0%-1.4%, and chromium contains It measures as 0.1%-0.3%, the content of niobium is 0.01%-0.03%, and the content of titanium is 0.01%-0.025%, and the content of boron is 0.0012%-0.002%, content≤0.015% of phosphorus, content≤0.003% of sulphur, remaining substance are iron.
5. according to the preparation method of claim 1-4 any one of them milling and planing drums, which is characterized in that the cast step (302) furnace charge preparation process (304) and the charging procedure (305) before the steel raw material is melted are included;
The furnace charge preparation process (304):Each due mass fraction of element in the steel raw material is calculated, and carries out dispensing;
The charging procedure (305):Melting is carried out using medium-frequency induction furnace, spreads last layer flux in the bottom of electric furnace, immediately Ferromanganese, ferrochrome and nickel are added in into the electric furnace;
Energization makes the steel melting sources, first supplies the power of the electric furnace 50%-70%, after current fluctuation is steady, gradually By power increase to maximum, in the steel melting process of raw material, material is constantly disclosed, until the steel raw material all melts.
6. according to the preparation method of claim 1-4 any one of them milling and planing drums, which is characterized in that the cast step (302) the steel raw material is additionally included in carry out the first adjustment step (306) in fusion process and walk in the first adjustment Suddenly the second adjustment step (307) after (306);
The first adjustment step (306):Ferromanganese is added in into the smelting furnace and ferrosilicon carries out pre-deoxidation, in the smelting furnace Liquid steel is sampled detection, according to the sampling detection as a result, carrying out composition adjustment;
The second adjustment step (307):Make to be warming up to 1580 DEG C -1590 DEG C in the smelting furnace, add in aluminium and carry out final deoxidizing, melt Liquid steel is poured into the sand mold after refining.
7. according to the preparation method of claim 1-4 any one of them milling and planing drums, which is characterized in that the sand core includes roller Module, material casting mechanism module and toothholder module, the material casting mechanism module is with the toothholder module compared with the roller blocks Detachably.
8. a kind of milling and planing drum, which is characterized in that manufactured using the preparation method such as claim 1-7 any one of them milling and planing drums Shaping.
9. a kind of preparation method of milling machine, which is characterized in that include the preparation of claim 1-7 any one of them milling and planing drums Method.
10. a kind of milling machine, which is characterized in that be manufactured using the preparation method of milling machine as claimed in claim 9.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101791680A (en) * 2010-01-12 2010-08-04 崇州市集贤华兴汽车配件厂 Automobile brake drum moulding casting technology and moulding device thereof
CN103182476A (en) * 2013-04-03 2013-07-03 阳城县煜锟铸造厂 Technique for producing large and medium-sized cylindrical iron castings through clay green sand molding
CN103447462A (en) * 2013-09-12 2013-12-18 四川四方铸造有限责任公司 Manufacturing process of intermediate casting of diesel engine
CN203821216U (en) * 2013-11-29 2014-09-10 湖南三一路面机械有限公司 Milling machine as well as milling drum and fling device thereof
CN104907123A (en) * 2015-05-29 2015-09-16 芜湖银海机械制造有限公司 Lining of conical crusher and casting process of lining
CN105689642A (en) * 2016-02-02 2016-06-22 扬州电力设备修造厂有限公司 Preparation method for common casting iron-based ceramic composite vertical grinding roller
CN205604044U (en) * 2014-12-17 2016-09-28 维特根有限公司 Operation equipment, machine of building road and mill and dig drum

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101791680A (en) * 2010-01-12 2010-08-04 崇州市集贤华兴汽车配件厂 Automobile brake drum moulding casting technology and moulding device thereof
CN103182476A (en) * 2013-04-03 2013-07-03 阳城县煜锟铸造厂 Technique for producing large and medium-sized cylindrical iron castings through clay green sand molding
CN103447462A (en) * 2013-09-12 2013-12-18 四川四方铸造有限责任公司 Manufacturing process of intermediate casting of diesel engine
CN203821216U (en) * 2013-11-29 2014-09-10 湖南三一路面机械有限公司 Milling machine as well as milling drum and fling device thereof
CN205604044U (en) * 2014-12-17 2016-09-28 维特根有限公司 Operation equipment, machine of building road and mill and dig drum
CN104907123A (en) * 2015-05-29 2015-09-16 芜湖银海机械制造有限公司 Lining of conical crusher and casting process of lining
CN105689642A (en) * 2016-02-02 2016-06-22 扬州电力设备修造厂有限公司 Preparation method for common casting iron-based ceramic composite vertical grinding roller

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈强业等: "《工程机械》", 31 October 1993, 北京:机械工业出版社 *

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