CN102847912A - Sprue nozzle head jointed sprue pipe and method for processing same - Google Patents
Sprue nozzle head jointed sprue pipe and method for processing same Download PDFInfo
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- CN102847912A CN102847912A CN2011101851905A CN201110185190A CN102847912A CN 102847912 A CN102847912 A CN 102847912A CN 2011101851905 A CN2011101851905 A CN 2011101851905A CN 201110185190 A CN201110185190 A CN 201110185190A CN 102847912 A CN102847912 A CN 102847912A
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Abstract
The invention discloses a sprue nozzle head jointed sprue pipe and a method for processing the same. The sprue nozzle head jointed sprue pipe comprises a sprue pipe body, a sprue nozzle is formed at the front end of the sprue pipe body, a composite surface is arranged on a front end surface of the sprue nozzle, and an alloy layer is composited on the composite surface, and materials of the alloy layer include Fe, W, Go, Cr and Si. The method for processing the sprue nozzle head jointed sprue pipe includes step one, preparing alloy powder and the sprue pipe body, wherein materials of the alloy powder include Fe, W, Go, Cr and Si, the sprue nozzle is formed at the front end of the sprue pipe body, and the composite surface is arranged on a front end surface of the sprue nozzle; and step two, compositing the alloy powder on the composite surface of the sprue nozzle to form the alloy layer. The sprue nozzle head jointed sprue pipe and the method for processing the same have the advantages that the materials of the alloy layer include Fe, W, Go, Cr and Si, the alloy layer is composited to the sprue nozzle to form the alloy layer, and impact resistance, high temperature resistance, abrasion resistance and corrosion resistance competences of the sprue nozzle are added.
Description
Technical field
The present invention relates to nozzle head disjunctor material injection tube and processing method thereof.
Background technology
The nozzle head disjunctor material injection tube of existing die casting machine accessory is please referred to Fig. 1 or Fig. 2, and it comprises body 10 ' and a mouth 30 ' that shoots material that shoots material.The described body 10 ' that shoots material is formed with material sputtering nozzle 11 ', establishes a material shooting hole 13 ' that runs through in the described body 10 ' that shoots material, described material shooting hole 13 ' front end reaming, and described reaming place is inlayed and is connect the mouth 30 ' that shoots material.The described mouth 30 ' material that shoots material adopts black steel, and the existing market professional Wu Gang of the above black steel nozzle head palpus external coordination manufacturing enterprise is for processing, for stand-by after the company of processing back.It has following deficiency: 1, material injection tube, two workpiece of mouth that shoot material are inlayed use, and are wrong such as dimensional tolerance in heat treatment, process of manufacture, the phenomenons such as heat treatment deformation may cause inlay bad.2, inlay good material injection tube, the mouth that shoots material at the middle Reusability of expanding with heat and contract with cold of high temperature, the mouth that shoots material constantly clashes into, be squeezed between mould and the material injection tube, easily cause the mouth that shoots material to swarm in material injection tube, the extruding explosion, once material injection tube extruding explosion the lighter changes material injection tube, severe one flies material (700 degree high temperature aluminum water fly out) will produce serious security incident, and consequence is hardly imaginable.3, inlay bad, the extruding explosion bad more than 40%.4, adopt import raw material purpose to be, because environment for use is more abominable.High temperature resistant, wear-resisting, anticorrosive etc. is not that general material just can reach instructions for use. 1., thermal treatment much higher hard nozzle head swarms in material injection tube reason mainly contains 2 points:.2., the thermal treatment much higher hard hangs down and easily inlays bad bleed.Burn into and insufficient strength.Which only has the operating characteristic by raw material itself and thermal treatment is modified just can reach general instructions for use.5, product itself is exactly that the consumable accessory life cycle is all about 30-60 days.What adopt all is imported material, and expensive production cost is a white elephant to enterprise.
Summary of the invention
The invention provides nozzle head disjunctor material injection tube and processing method thereof, it has overcome the existing deficiency of nozzle head disjunctor material injection tube in the background technology.
One of technical scheme that adopts that the present invention solves its technical problem is:
Nozzle head disjunctor material injection tube, it comprises the body (10) that shoots material, the described body that shoots material (10) front end forms material sputtering nozzle (11), described material sputtering nozzle (11) front end face is provided with composite surface, be compounded with an alloy-layer (20) on the described composite surface, described alloy-layer (20) material comprises Fe, W, Go, Cr and Si.
Among one preferred embodiment: described Fe, W, Go, Cr and Si ratio of quality and the number of copies: 64～70: 7～8: 10～12: 12～13: 0.8～1.2.
Among one preferred embodiment: described alloy-layer (20) material also comprises Ni, B4C and Cu.
Among one preferred embodiment: described Fe, W, Go, Cr, Si, Ni, B4C and Cu ratio of quality and the number of copies: 64～70: 7～8: 10～12: 12～13: 0.8～1.2: 0～0.6: 0.1～0.3: 0.3～0.4.
Among one preferred embodiment: described alloy-layer (20) is compound to material sputtering nozzle (11) composite surface by the spraying of flame heat spray method.
Among one preferred embodiment: described material sputtering nozzle (11) composite surface comprises the conical surface, is arranged with at least one groove (12) on the described conical surface.
Among one preferred embodiment: described alloy-layer (20) foremost face and material sputtering nozzle (11) foremost face flush,
The present invention solve its technical problem the technical scheme that adopts two be:
Nozzle head disjunctor material injection tube processing method, it comprises:
Step 1, preparation alloy powder and the body (10) that shoots material, described alloy powder material comprises Fe, W, Go, Cr and Si, and the described body that shoots material (10) front end forms material sputtering nozzle (11), and described material sputtering nozzle (11) front end face is provided with composite surface;
Step 2 is used for alloy powder compound to material sputtering nozzle (11) composite surface formation alloy-layer (20).
Among one preferred embodiment: described Fe, W, Go, Cr and Si ratio of quality and the number of copies: 64～70: 7～8: 10～12: 12～13: 0.8～1.2.
Among one preferred embodiment: described step 2 comprises:
Step 22 is used for by the flame heat spray method alloy powder material being sprayed and compoundly becomes alloy-layer (20) to material sputtering nozzle (11) composite surface;
Step 23, precise finiss alloy-layer (20).
The technical program is compared with background technology, and it has following advantage:
1, the alloy-layer material comprises Fe, W, Go, Cr and Si, and compoundly become alloy-layer to material sputtering nozzle, increase material sputtering nozzle impact resistance, high temperature resistant, wear-resisting, corrosion resistance, overcome the existing deficiency of background technology, and produce following technique effect: a, do not inlay, material injection tube can explosion, reaches 99% for the client eliminates the production safety hidden danger (accident) that occurs because of the material injection tube explosion; B, 1 black steel nozzle head of saving, (specification Φ 40*40 cost is about 700-1000 unit); C, employing domestic raw materials just can reach instructions for use by thermal treatment; D, be the client 20-30% that saves production cost.
2, Fe, W, Go, Cr and Si ratio of quality and the number of copies: 64～70: 7～8: 10～12: 12～13: 0.8～1.2, the resistance to elevated temperatures of alloy-layer, anti-wear performance, anti-collision performance, decay resistance are higher.
3, Fe, W, Go, Cr, Si, Ni, B4C and Cu ratio of quality and the number of copies: 64～70: 7～8: 10～12: 12～13: 0.8～1.2: 0～0.6: 0.1～0.3: 0.3～0.4, the resistance to elevated temperatures of alloy-layer, anti-wear performance, anti-collision performance, decay resistance are higher, and, the processing aspect.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated the generalized section of the nozzle head disjunctor material injection tube of a background technology.
Fig. 2 has illustrated the generalized section of the nozzle head disjunctor material injection tube of another background technology.
Fig. 3 has illustrated the generalized section of the nozzle head disjunctor material injection tube of a preferred embodiment.
Fig. 4 has illustrated the A place enlarged diagram of Fig. 3.
Fig. 5 has illustrated the generalized section of the nozzle head disjunctor material injection tube of another preferred embodiment.
Fig. 6 has illustrated the B place enlarged diagram of Fig. 5.
The specific embodiment
Please refer to Fig. 3 and Fig. 4, nozzle head disjunctor material injection tube, it comprises the body 10 that shoots material, and described body 10 front ends that shoot material form material sputtering nozzle 11, and described material sputtering nozzle 11 front end faces are provided with composite surface, are compounded with an alloy-layer 20 on the described composite surface.Among the present embodiment, the described body 10 that shoots material is selected hot die steel or high-speed steel; The described tank body 10 that shoots material is established the material shooting hole 13 that runs through.
Described material sputtering nozzle 11 front end faces comprise a little axial end 111, a large axial end 113 and a pre-small post-large conical surface 112, and the described conical surface 112 is connected on large axial end 113 outer peripheral edges.Among the present embodiment, described composite surface comprises all or part of conical surface 112, and, large axial end 113, then: described alloy-layer 20 compound tenses are adaptive to abut against the surface of revolution of 113 of little axial end 111 and large axial end; Front end face and the little axial end 111 of the part of the corresponding large axial end 113 of described alloy-layer 20 flush, and that is to say that described alloy-layer 20 front ends and material sputtering nozzle 11 front ends flush, and when then using, bear bump, friction etc. by alloy-layer 20, can protect material sputtering nozzle 11; The part outer surface of the described alloy-layer 20 corresponding conical surfaces 112 also becomes the conical surface.
Be arranged with the groove 12 of at least one annular on the described conical surface 112, described groove 12 cross sections become triangular shape, take triangular shape as example, but not as limit, also can be made as required cylinder poroid, prismatic etc. among the present embodiment.Among the present embodiment, set up groove 12, then alloy-layer 20 compound tenses can be formed with adaptive flange 21, and described flange 21 and groove 12 are adaptive chimeric, can increase affixed fastness between alloy-layer 20 and the material sputtering nozzle 11.
Described alloy-layer 20 materials comprise Fe, W, Go, Cr, Si, Ni, B4C (boron carbide) and Cu, the ratio of quality and the number of copies of described Fe, W, Go, Cr, Si, Ni, B4C and Cu: 64.5～69.8: 7～8: 10～12: 12～13: 0.8～1.2: 0～0.6: 0.1～0.3: 0.3～0.4.Select the alloy-layer 20 of this materials processing to have high temperature resistant, corrosion-resistant, impact resistance, the advantage such as wear-resisting, be particularly useful for die casting machine.
Among the present embodiment, described alloy-layer 20 is compound to material sputtering nozzle 11 composite surfaces by the spraying of flame heat spray method.
Among the present embodiment, described alloy-layer 20 thickness are selected between 1.5～3.5mm.Wherein: alloy-layer 20 is too thick, then easily bad, the explosion of remelting; Alloy-layer 20 is too thin, then insufficient strength; Selecting 1.5～3.5mm thickness is that the inventor carried out the rear result who sums up out of ten million experiment, can be used for multiple different environment for use.
Nozzle head disjunctor material injection tube processing method, it comprises:
Step 1, preparation alloy powder and the body 10 that shoots material, wherein:
Described alloy powder material comprises Fe, W, Go, Cr, Si, Ni, B4C and Cu, the ratio of quality and the number of copies of described Fe, W, Go, Cr, Si, Ni, B4C and Cu: 64.5～69.8: 7～8: 10～12: 12～13: 0.8～1.2: 0～0.6: 0.1～0.3: 0.3～0.4;
Stand-by behind described material injection tube employing imported material hot die steel or the H.S.S. production processing and heat treatment.Described body 10 front ends that shoot material form material sputtering nozzle 11, and described material sputtering nozzle 11 front end faces comprise a little axial end 111, a large axial end 113 and a pre-small post-large conical surface 112, and the described conical surface 112 is connected on large axial end 113 outer peripheral edges.Described composite surface comprises all or part of conical surface 112, and, large axial end 113.Be arranged with the groove 12 of at least one annular on the described conical surface 112, described groove 12 cross sections become triangular shape.
Step 22 is used for by the flame heat spray method alloy powder material being sprayed and compoundly becomes alloy-layer 20 to material sputtering nozzle 11 composite surfaces; Wherein: the composite surface temperature be heated up to 700～900 the degree, as 800 the degree, when alloy powder is sprayed into material sputtering nozzle 11 just near fusing point, so that alloy powder is easy to be adsorbed on material sputtering nozzle 11 composite surfaces, then working (machining) efficiency is high, and intensity is high, avoid waste of material, reduce energy consumption;
Step 221, when repeating to be sprayed into 1.0～1.5mm bed thickness, the intensification composite surface is to the 900-1100 degree, such as 1000 degree, spray again alloy powder, the alloy powder remelting is in material sputtering nozzle 11 composite surfaces, and this moment, material sputtering nozzle 11 formed a kind of taking into account and the close alloy-layer 20 that arrive with alloy powder, such action repeat to need size; Wherein: described alloy-layer 20 compound tenses are adaptive to abut against the surface of revolution of 113 of little axial end 111 and large axial end; The part outer surface of the described alloy-layer 20 corresponding conical surfaces 112 also becomes the conical surface.
Step 23, precise finiss alloy-layer 20 is ground to required size and gets final product.Wherein: front end face and the little axial end 111 of the part of the corresponding large axial end 113 of described alloy-layer 20 flush.
Adopt material sputtering nozzle 11 matrix hardnesses of the disjunctor nozzle pipe of above-mentioned processing method processing to reach 43～45 degree, and the hardness at composite surface place can reach 62～70 degree of instructions for use.
Fig. 5 and Fig. 6 are please referred in another preferred embodiment, and it and a upper preferred embodiment difference are:
Described material sputtering nozzle 11 front end faces comprise an axial end 114 and a pre-small post-large conical surface 112, and the described conical surface 112 is connected on axial end 114 outer peripheral edges.Among the present embodiment, described composite surface comprises the part conical surface 112, and then: described alloy-layer 20 lateral surfaces comprise that one flushes ring surface and a conical surface of axial end 114.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of namely doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (10)
1. nozzle head disjunctor material injection tube, it is characterized in that: it comprises the body (10) that shoots material, the described body that shoots material (10) front end forms material sputtering nozzle (11), described material sputtering nozzle (11) front end face is provided with composite surface, be compounded with an alloy-layer (20) on the described composite surface, described alloy-layer (20) material comprises Fe, W, Go, Cr and Si.
2. nozzle head disjunctor material injection tube according to claim 1 is characterized in that: described Fe, W, Go, Cr and Si ratio of quality and the number of copies: 64～70: 7～8: 10～12: 12～13: 0.8～1.2.
3. nozzle head disjunctor material injection tube according to claim 1, it is characterized in that: described alloy-layer (20) material also comprises Ni, B4C and Cu.
4. nozzle head disjunctor material injection tube according to claim 3 is characterized in that: described Fe, W, Go, Cr, Si, Ni, B4C and Cu ratio of quality and the number of copies: 64～70: 7～8: 10～12: 12～13: 0.8～1.2: 0～0.6: 0.1～0.3: 0.3～0.4.
5. it is characterized in that according to claim 1 and 2 or 3 or 4 described nozzle head disjunctor material injection tubes: described alloy-layer (20) is compound to material sputtering nozzle (11) composite surface by the spraying of flame heat spray method.
6. nozzle head disjunctor material injection tube according to claim 5, it is characterized in that: described material sputtering nozzle (11) composite surface comprises the conical surface, is arranged with at least one groove (12) on the described conical surface.
7. according to claim 1 and 2 or 3 or 4 described nozzle head disjunctor material injection tubes, it is characterized in that: described alloy-layer (20) foremost face and material sputtering nozzle (11) foremost face flush,
8. nozzle head disjunctor material injection tube processing method, it is characterized in that: it comprises:
Step 1, preparation alloy powder and the body (10) that shoots material, described alloy powder material comprises Fe, W, Go, Cr and Si, and the described body that shoots material (10) front end forms material sputtering nozzle (11), and described material sputtering nozzle (11) front end face is provided with composite surface;
Step 2 is used for alloy powder compound to material sputtering nozzle (11) composite surface formation alloy-layer (20).
9. nozzle head disjunctor material injection tube processing method according to claim 8 is characterized in that: described Fe, W, Go, Cr and Si ratio of quality and the number of copies: 64～70: 7～8: 10～12: 12～13: 0.8～1.2.
10. according to claim 7 or 8 or 9 described nozzle head disjunctor material injection tube processing methods, it is characterized in that: described step 2 comprises:
Step 21 is used for making the composite surface place to be warming up to 700～900 degree;
Step 22 is used for by the flame heat spray method alloy powder material being sprayed and compoundly becomes alloy-layer (20) to material sputtering nozzle (11) composite surface;
Step 23, precise finiss alloy-layer (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110185190.5A CN102847912B (en) | 2011-07-01 | 2011-07-01 | Sprue nozzle head jointed sprue pipe and method for processing same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110185190.5A CN102847912B (en) | 2011-07-01 | 2011-07-01 | Sprue nozzle head jointed sprue pipe and method for processing same |
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| CN102847912A true CN102847912A (en) | 2013-01-02 |
| CN102847912B CN102847912B (en) | 2015-05-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10071417B2 (en) | 2013-09-26 | 2018-09-11 | United Technologies Corporation | Insert for die cast shot sleeve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3444714A1 (en) * | 1984-12-07 | 1986-06-12 | Seilstorfer GmbH & Co Metallurgische Verfahrenstechnik KG, 8092 Haag | Sintered material composite with a steel matrix |
| CN1316539A (en) * | 2001-03-23 | 2001-10-10 | 清华大学 | Anticorrosion refractory high-Co rare-earth alloy |
| CN101463458A (en) * | 2008-12-18 | 2009-06-24 | 山东大学 | Method for high speed flame spraying heat-resistant alloy on steel cast workpiece surface |
| CN101586238A (en) * | 2009-06-18 | 2009-11-25 | 天津市汇利通金属表面技术有限公司 | A kind of method of the surface laser cladding alloy at steel injection plunger |
-
2011
- 2011-07-01 CN CN201110185190.5A patent/CN102847912B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3444714A1 (en) * | 1984-12-07 | 1986-06-12 | Seilstorfer GmbH & Co Metallurgische Verfahrenstechnik KG, 8092 Haag | Sintered material composite with a steel matrix |
| CN1316539A (en) * | 2001-03-23 | 2001-10-10 | 清华大学 | Anticorrosion refractory high-Co rare-earth alloy |
| CN101463458A (en) * | 2008-12-18 | 2009-06-24 | 山东大学 | Method for high speed flame spraying heat-resistant alloy on steel cast workpiece surface |
| CN101586238A (en) * | 2009-06-18 | 2009-11-25 | 天津市汇利通金属表面技术有限公司 | A kind of method of the surface laser cladding alloy at steel injection plunger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10071417B2 (en) | 2013-09-26 | 2018-09-11 | United Technologies Corporation | Insert for die cast shot sleeve |
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