CN102274946A - Composite die-cast punch head - Google Patents
Composite die-cast punch head Download PDFInfo
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- CN102274946A CN102274946A CN2011102492098A CN201110249209A CN102274946A CN 102274946 A CN102274946 A CN 102274946A CN 2011102492098 A CN2011102492098 A CN 2011102492098A CN 201110249209 A CN201110249209 A CN 201110249209A CN 102274946 A CN102274946 A CN 102274946A
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- drift
- punch head
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Abstract
The invention relates to a composite die-cast punch head, which belongs to a fitting part of a die-casting machine for stamping and casting. The composite die-cast punch head comprises a punch head, an axial pilot hole in the center of the punch head, and threads for connection formed on the inner wall of the pilot hole, and is characterized that the composite die-cast punch head is formed by combining a cylindrical punch head core made of a cast iron material and a working layer made of a beryllium-bronze alloy material cast and wrapped outside the outer periphery of the punch head core; the beryllium-bronze alloy material constitutes the working layer is Be-Cu-Co alloy material, and components of the beryllium-bronze alloy material in percentages by weight: beryllium (Be) accounts for 0.8-2.5 percent, cobalt (Co) accounts for 2.0-2.5 percent, and cuprum (Cu) for the rest is added to 100 percent. A cavity of the working layer cast and wrapped outside the outer periphery of the punch head core and the outer circumference of the punch head core are not axially and flatly cast or embedded and sleeved into a whole, but at least two convex teeth are axially distributed on the outer circumference of the punch head core, and uniformly distributed grooves are arranged between the convex teeth. Compared with the prior art, the composite die-cast punch head provided by the invention has the same good material properties and use effect with those of the beryllium-bronze die-cast punch head, the service life is up to 12000 times above, while 60 percent of beryllium-bronze material is saved, and the use cost is greatly reduced.
Description
Technical field: the invention belongs to the adapted parts of die casting machine in the punching press casting, particularly a kind of composite die casted drift.
Background technology: diecasting punching head is that the adapted of die casting machine in the punching press casting easily consumes parts, to contact with the melting attitude aluminium water more than 700 ℃ in the work, the cold cycling that stands is repeatedly used, and its material of this working condition requirement must have good high-temperature intensity, high-wearing feature, high-termal conductivity, high heat-resistant anti-fatigue intensity and good toughness and high temperature oxidation resistance.Traditional cast iron materials diecasting punching head wearability, high temperature oxidation resistance, heat-resistant anti-fatigue intensity homogeneous phase are on duty, cause being lower than service life 2000 times, press the chamber but also pull the die casting machine that constitutes by expensive material easily, cause in the actual use per tour all to need to change, not only strengthened labor intensity of operating personnel, and integrated cost is high.
Overcome traditional cast iron materials diecasting punching head deficiency, second generation diecasting punching head document 1 ZL 032339704 disclosed bimetallic diecasting punching head as shown in Figure 3, form by the common cast iron drift core 02 and the working lining 01 of 3--5mm beryllium-bronze, adopt casting technique that cast iron and beryllium-bronze are cast as one, or the edge described in the document specification specific embodiment is nested together.There is following deficiency in actual use in it:
1, as pointing out in the document Figure of description, the working lining 01 of 3--5mm beryllium-bronze only exists only in the periphery of cast iron drift core 02, does not have the working lining of beryllium-bronze on the circular face on drift core top, influences its practical effect.
2, the thickness of the working lining of the periphery 3--5mm beryllium-bronze of cast iron drift core 02 is too little, causes the difficulty that is difficult to overcome on the one hand the technology when being cast as one, and causes product percent of pass very low; On the other hand, the working lining of main 3--5mm beryllium-bronze is too thin, makes its actual life not long.
3, adopting casting technique that cast iron and beryllium-bronze are cast as one or inlay is nested together, be axially to be cast as one straightly or to inlay to be nested together between the periphery because of the inner chamber of working lining and drift core, bond strength on its edge cover face is not enough to bear axial impact force huge in the actual applying working condition, working lining often occurs and peels off from the drift core and come off.
For overcoming the deficiency of existing second generation bimetallic diecasting punching head, the existing diecasting punching head of the third generation is taked whole drift, and promptly drift core and working lining all are beryllium-bronze material.Its better performances ground has satisfied the working condition requirement of diecasting punching head, but its expensive use cost allows the user be difficult to bear.
This shows that study and design a kind of good material performance and result of use with beryllium-bronze diecasting punching head, the composite die casted drift that has reduced use cost again significantly is necessary.
Summary of the invention: the objective of the invention is to overcome the deficiencies in the prior art, study and design a kind of good material performance and result of use, reduced the composite die casted drift of use cost again significantly with beryllium-bronze diecasting punching head.
The present invention seeks to realize like this: a kind of composite die casted drift, comprise cylindric drift, be positioned at the axial pilot hole at drift center, the design of pilot hole inwall has the screw thread that is connected usefulness with the die casting machine assembling, it is characterized in that the working lining that beryllium bronze alloy material that cylindric drift core that cylindric drift is made of cast iron materials and casting ladle overlay on drift core outer rim constitutes is composited; The beryllium bronze alloy material of described formation working lining is the Be-Cu-Co alloy material, and the percentage by weight of its component is: beryllium Be 0.8-2.5%; Cobalt Co 2.0-2.5%; All the other add copper Cu to 100%.
It is not axially to be cast as one straightly or to inlay to be nested together that described casting ladle overlays between the periphery of the inner chamber of working lining of drift core outer rim and drift core, but the peripheral, axial of drift core is evenly distributed with at least 2 double wedges, is designed to equally distributed groove between the double wedge.The height b of described double wedge equates with the degree of depth c of groove.Proportion between the height b of described double wedge and its chord length a is 1: 9-1: 13.Two trough rim angle α of described groove are 75 °-90 °.
Described casting ladle overlays on the working lining that the beryllium bronze alloy material of drift core outer rim constitutes, and comprises that also casting ladle overlays on the working lining that the beryllium bronze alloy material on the circular face on drift core top constitutes.Described casting ladle overlays on the thickness of working lining of drift core outer rim greater than 5 millimeters.
Technical scheme of the present invention is implemented through preliminary, has compared with prior art shown following beneficial effect:
1, reduced use cost significantly.With existing whole drift all is that the diecasting punching head of beryllium-bronze material is compared, and has reduced beryllium-bronze material 60%, and use cost is inevitable to be reduced significantly.
2, have beryllium-bronze diecasting punching head identical good material performance and result of use.Compare with document 1 disclosed bimetallic diecasting punching head, because working lining comprises the entire working surface on the circular face on drift core top, and thickness is greater than 5 millimeters, not again axially to be cast as one straightly or to inlay to be nested together between the periphery of the inner chamber of working lining and drift core, but increase axial equally distributed double wedge and groove, strengthened the connection area, thereby increased bond strength, be enough to bear axial impact force huge in the actual applying working condition, working lining can not occur and peel off situation about coming off from the drift core.Reach more than 12000 times its service life.
Description of drawings: Fig. 1 is the schematic diagram that meets thematic structure of the present invention; Fig. 2 is A among Fig. 1---the A generalized section; Fig. 3 is document 1 a disclosed bimetallic diecasting punching head structural representation.
The specific embodiment: implementation detail of the present invention is described as follows below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of composite die casted drift, comprise cylindric drift 1, be positioned at the axial pilot hole 2 at drift center, the design of pilot hole inwall has the screw thread 21 that is connected usefulness with the die casting machine assembling, it is characterized in that the working lining 12 that beryllium bronze alloy material that cylindric drift core 11 that cylindric drift is made of cast iron materials and casting ladle overlay on drift core outer rim constitutes is composited; The beryllium bronze alloy material of described formation working lining is the Be-Cu-Co alloy material, and the percentage by weight of its component is:
Beryllium Be 0.8-2.5%; Cobalt Co 2.0-2.5%; All the other add copper Cu to 100%.
As shown in Figure 2, it is not axially to be cast as one straightly or to inlay to be nested together that described casting ladle overlays between the periphery of the inner chamber of working lining 12 of drift core 11 outer rims and drift core, but the peripheral, axial of drift core is evenly distributed with at least 2 double wedges 13, is designed to equally distributed groove 14 between the double wedge.The height b of described double wedge 13 equates with the degree of depth c of groove 14.Proportion between the height b of described double wedge 13 and its chord length a is 1: 9-1: 13.Two trough rim angle α of described groove 14 are 75 °-90 °.
As shown in Figure 1, described casting ladle overlays on the working lining 12 that the beryllium bronze alloy material of drift core 11 outer rims constitutes, and comprises that also casting ladle overlays on the working lining that the beryllium bronze alloy material on the circular face on drift core top constitutes.Described casting ladle overlays on the thickness of working lining 12 of drift core 11 outer rims greater than 5 millimeters.
It is the Be-Cu-Co alloy material that embodiment 1 states the beryllium bronze alloy material that constitutes working lining, and the percentage by weight of its component is: beryllium Be 0.8%; Cobalt Co 2.0%; All the other add copper Cu to 100%.8 millimeters of the thickness of working lining.The peripheral, axial of drift core is evenly distributed with at least 4 double wedges and groove, and the proportion between the height b of its barrel shaped tooth and its chord length a is 1: 9; Two trough rim angle α of groove are 75 °.
It is the Be-Cu-Co alloy material that embodiment 2 states the beryllium bronze alloy material that constitutes working lining, and the percentage by weight of its component is: beryllium Be 1.8%; Cobalt Co 2.3%; All the other add copper Cu to 100%.10 millimeters of the thickness of working lining.The peripheral, axial of drift core is evenly distributed with at least 4 double wedges and groove, and the proportion between the height b of its barrel shaped tooth and its chord length a is 1: 11; Two trough rim angle α of groove are 80 °.
It is the Be-Cu-Co alloy material that embodiment 3 states the beryllium bronze alloy material that constitutes working lining, and the percentage by weight of its component is: beryllium Be 2.5%; Cobalt Co 2.5%; All the other add copper Cu to 100%.12 millimeters of the thickness of working lining.The peripheral, axial of drift core is evenly distributed with at least 4 double wedges and groove, and the proportion between the height b of its barrel shaped tooth and its chord length a is 1: 13; Two trough rim angle α of groove are 90 °.
Implementation method: 1, cast iron casting technology is finished drift core casting routinely, wherein in the drift core mold design have with the foregoing description in the equally distributed double wedge of peripheral, axial of the drift core that is complementary and groove number, double wedge height b and its chord length than the two trough rim angle number of degrees of, groove.2, on the drift core of finishing, the beryllium-bronze casting process coats the thickness of working lining in casting the foregoing description, the beryllium-bronze working lining of material component routinely.
Claims (7)
1. composite die casted drift, comprise cylindric drift (1), be positioned at the axial pilot hole (2) at drift center, the design of pilot hole inwall has the screw thread (21) that is connected usefulness with the die casting machine assembling, it is characterized in that the working lining (12) that beryllium bronze alloy material that cylindric drift core (11) that cylindric drift is made of cast iron materials and casting ladle overlay on drift core outer rim constitutes is composited; The beryllium bronze alloy material of described formation working lining is the Be-Cu-Co alloy material, and the percentage by weight of its component is: beryllium Be 0.8-2.5%; Cobalt Co 2.0-2.5%; All the other add copper Cu to 100%.
2. a kind of composite die casted drift according to claim 1, it is characterized in that it is not axially to be cast as one straightly or to inlay to be nested together that described casting ladle overlays between the periphery of the inner chamber of working lining (12) of drift core (11) outer rim and drift core, but the peripheral, axial of drift core is evenly distributed with at least 2 double wedges (13), is designed to equally distributed groove (14) between the double wedge.
3. a kind of composite die casted drift according to claim 1 and 2 is characterized in that the height b of described double wedge (13) equates with the degree of depth c of groove (14).
4. a kind of composite die casted drift according to claim 1 and 2 is characterized in that the height b of described double wedge (13) and the proportion between its chord length a are 1: 9-1: 13.
5. a kind of composite die casted drift according to claim 1 and 2, the two trough rim angle α that it is characterized in that described groove (14) are 75 °-90 °.
6. a kind of composite die casted drift according to claim 1 and 2, it is characterized in that described casting ladle overlays on the working lining (12) that the beryllium bronze alloy material of drift core (11) outer rim constitutes, comprise that also casting ladle overlays on the working lining that the beryllium bronze alloy material on the circular face on drift core top constitutes.
7. a kind of composite die casted drift according to claim 1 is characterized in that described casting ladle overlays on the thickness of working lining (12) of drift core (11) outer rim greater than 5 millimeters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102492098A CN102274946A (en) | 2011-08-29 | 2011-08-29 | Composite die-cast punch head |
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| CN2011102492098A CN102274946A (en) | 2011-08-29 | 2011-08-29 | Composite die-cast punch head |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819169A (en) * | 2015-05-13 | 2015-08-05 | 湘潭市长河机电科技有限公司 | Novel water pump protective jacket and manufacturing method thereof |
| CN105414532A (en) * | 2012-01-31 | 2016-03-23 | 埃斯科公司 | Wear resistant material and system and method of forming wear resistant material |
| CN108436392A (en) * | 2018-03-15 | 2018-08-24 | 江苏亿斯赛尔自动化科技有限公司 | Necking down mould hot insert hard alloy manufacture craft |
| US10730104B2 (en) | 2011-04-06 | 2020-08-04 | Esco Group Llc | Hardfaced wear part using brazing and associated method and assembly for manufacturing |
-
2011
- 2011-08-29 CN CN2011102492098A patent/CN102274946A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10730104B2 (en) | 2011-04-06 | 2020-08-04 | Esco Group Llc | Hardfaced wear part using brazing and associated method and assembly for manufacturing |
| CN105414532A (en) * | 2012-01-31 | 2016-03-23 | 埃斯科公司 | Wear resistant material and system and method of forming wear resistant material |
| CN110153396A (en) * | 2012-01-31 | 2019-08-23 | 爱斯科集团有限责任公司 | Wear-resistant material and the system and method for forming wear-resistant material |
| US10543528B2 (en) | 2012-01-31 | 2020-01-28 | Esco Group Llc | Wear resistant material and system and method of creating a wear resistant material |
| CN104819169A (en) * | 2015-05-13 | 2015-08-05 | 湘潭市长河机电科技有限公司 | Novel water pump protective jacket and manufacturing method thereof |
| CN108436392A (en) * | 2018-03-15 | 2018-08-24 | 江苏亿斯赛尔自动化科技有限公司 | Necking down mould hot insert hard alloy manufacture craft |
| CN108436392B (en) * | 2018-03-15 | 2019-07-09 | 江苏九众九自动化科技有限公司 | Necking down mould hot insert hard alloy manufacture craft |
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Application publication date: 20111214 |