CN204365731U - The compressing drift core bar of drawing series products - Google Patents
The compressing drift core bar of drawing series products Download PDFInfo
- Publication number
- CN204365731U CN204365731U CN201420846404.8U CN201420846404U CN204365731U CN 204365731 U CN204365731 U CN 204365731U CN 201420846404 U CN201420846404 U CN 201420846404U CN 204365731 U CN204365731 U CN 204365731U
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- core bar
- drift
- series products
- pvd coating
- shaping head
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses the compressing drift core bar of a kind of drawing series products, comprise steel handle and shaping head, scribble PVD coating in outside, described shaping head front end.The utility model by applying PVD coating outside the shaping head of existing drift core bar, make PVD coating and matrix in conjunction with good difficult drop-off, thus strengthen hardness and the wearability of drift core bar, the service life of the drift improved greatly, more traditional drift improves 3 ~ 10 times service life, reduces die change number of times and workload, avoids waste of material, effectively reduce production and application cost, and make the mold cavity surface fineness of compacting core rod and dimensional accuracy be able to good guarantee.
Description
Technical field
The utility model relates to a kind of press-moulding die drift, particularly relates to the compressing drift core bar of a kind of drawing series products.
Background technology
Drawing die is the mould drawing various metal wire, and there is the hole of individual definite shape at core rod center, and circle, side or other special shape, metal is hauled to diminish through size during nib, and even shape all changes.The characteristics such as energy ezpenditure is low because having that wearability is high, polishability good, adhesiveness is little, coefficient of friction is little, carbide alloy core rod has to be processed applicability widely and becomes the maximum a kind of drawing class mould core of application.
When carbide alloy drawing class core rod is compressing, drift core bar is crucial profiled part, and core rod forms the complex-shaped surface mould of definite shape in forming process by drift core bar, meet the dimensional requirement of drawing core rod.Existing drift core bar material generally adopts steel alloy or carbide alloy, respectively have it to use category, Cemented Carbide Hardness high-wearing feature is good, but large concerning difficulty of processing the drift core bar of some shape, machining accuracy is difficult to meet the demands, and its service life also needs further room for promotion; Steel alloy processability is good but hardness is low, and service life is low especially, and the dimensional accuracy because its wearability is not high during impact compacting core rod, be difficult to the quality stability ensureing compacted products.
Utility model content
The purpose of this utility model is to provide the drawing series products that a kind of long service life, hardness and wearability are good, stability is strong compressing drift core bar.
The compressing drift core bar of this drawing series products that the utility model provides, comprises steel handle and shaping head, scribbles PVD coating in outside, described shaping head front end.
Described PVD coating is TiN, TiAlN, TiCN, AlCrN or TiAlSiN.
For ensureing that PVD coating of the present utility model does not affect the dimensional accuracy of drift, the thickness of described PVD coating is 1 ~ 4 micron.
Described moulded head cross section is square or circular.
Described shaping head adopts the steel matter of hardness requirement HRC >=50 and shaping together with steel handle.
Described shaping head adopts carbide alloy and adopts welding manner to be connected with steel handle.
The utility model by applying PVD coating outside the shaping head of existing drift core bar, make PVD coating and matrix in conjunction with good difficult drop-off, thus strengthen hardness and the wearability of drift core bar, the service life of the drift improved greatly, more traditional drift improves 3 ~ 10 times service life, reduces die change number of times and workload, avoids waste of material, effectively reduce production and application cost, and make the mold cavity surface fineness of compacting core rod and dimensional accuracy be able to good guarantee.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present utility model.
Fig. 2 is Fig. 1 plan structure schematic diagram.
Fig. 3 is structural representation two of the present utility model.
Fig. 4 is Fig. 3 plan structure schematic diagram.
Detailed description of the invention
As can be seen from Fig. 1 to Fig. 4, the compressing drift core bar of this drawing of the utility model series products, comprises steel handle 1 and shaping head 2, scribbles PVD coating 3 in outside, shaping head 1 front end.
In the utility model, PVD coating 3 is TiN, TiAlN, TiCN, AlCrN or TiAlSiN, and its thickness is 1 ~ 4 micron.
As can be seen from Fig. 1 and Fig. 2, the cross section of shaping head 2 of the present utility model is square, is lenticular wire mold forming drift core bar.
As can be seen from Fig. 3 and Fig. 4, the cross section of shaping head 2 of the present utility model is circular, is the shaping drift core bar of wire drawing die.
In the utility model, shaping head 2 adopts the steel matter of hardness requirement HRC >=50 and shaping together with steel handle 1, applies PVD coating 3 after the polishing of shaping head 2, adopts the drift core bar of this kind of mode to be service life 5 ~ 10 times of clean steel material drift life-span.
In the utility model, shaping head 2 also can adopt carbide alloy and adopt welding manner to be connected with steel handle 1, PVD coating 3 is applied after shaping head 2 carries out processing polished, corresponding PVD coating 3 technique and thickness is selected according to core bar size, ensure the bond strength of PVD coating 3 and matrix, adopt the drift core bar of this kind of mode to be service life more than 3 times of former core bar.
Claims (6)
1. the compressing drift core bar of drawing series products, comprises steel handle and shaping head, it is characterized in that: scribble PVD coating in outside, described shaping head front end.
2. the compressing drift core bar of drawing series products according to claim 1, is characterized in that: described PVD coating is TiN, TiAlN, TiCN, AlCrN or TiAlSiN.
3. the compressing drift core bar of drawing series products according to claim 1, is characterized in that: the thickness of described PVD coating is 1 ~ 4 micron.
4. the compressing drift core bar of drawing series products according to claim 1, is characterized in that: described moulded head cross section is square or circular.
5. according to the compressing drift core bar of the drawing series products one of Claims 1-4 Suo Shu, it is characterized in that: described shaping head adopts the steel matter of hardness requirement HRC >=50 and shaping together with steel handle.
6. according to the compressing drift core bar of the drawing series products one of Claims 1-4 Suo Shu, it is characterized in that: described shaping head adopts carbide alloy and adopts welding manner to be connected with steel handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846404.8U CN204365731U (en) | 2014-12-29 | 2014-12-29 | The compressing drift core bar of drawing series products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846404.8U CN204365731U (en) | 2014-12-29 | 2014-12-29 | The compressing drift core bar of drawing series products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204365731U true CN204365731U (en) | 2015-06-03 |
Family
ID=53321980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420846404.8U Active CN204365731U (en) | 2014-12-29 | 2014-12-29 | The compressing drift core bar of drawing series products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204365731U (en) |
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2014
- 2014-12-29 CN CN201420846404.8U patent/CN204365731U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |