CN207222599U - Double inclined plane wire-drawing die core rod - Google Patents
Double inclined plane wire-drawing die core rod Download PDFInfo
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- CN207222599U CN207222599U CN201720958015.8U CN201720958015U CN207222599U CN 207222599 U CN207222599 U CN 207222599U CN 201720958015 U CN201720958015 U CN 201720958015U CN 207222599 U CN207222599 U CN 207222599U
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- core rod
- center line
- wire
- inclined plane
- drawing die
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Abstract
The utility model provides a kind of double inclined plane wire-drawing die core rod, is equipped with relative tilt face in the side wall of core rod, the both ends in the relative tilt face are close to core rod center line, the center line of the medium position away from core rod in relative tilt face.The core rod is opposite cone table or halfpace body, and the circumscribed circle diameter of core rod medium position is larger.By using the scheme that relative tilt face is set in core rod outer wall, the contact area between core rod and sintered body is increased, after tested, the core rod that the utility model makes can extend 1.5 ~ 2 times relative to the prior art, service life.
Description
Technical field
It the utility model is related to the manufacturing field of wire-drawing die, and in particular to a kind of double inclined plane wire-drawing die core rod.
Background technology
The core component of wire-drawing die is rough diamond, artificial diamond or glomerocryst PCD（Polycrystalline diamond）Material.With poly-
The maturation of brilliant PCD material production technology and glomerocryst PCD core rods have in wire drawing production it is wear-resisting, stability is good the characteristics of day
Beneficial obvious, PCD core rods are applied more and more widely in mould production.
Need PCD core rods to be adhered to glue the center of the bottom of stainless steel die sleeve endoporus in wire-drawing die production process
Position, then using the gap section of sintered powder filling stainless steel die sleeve endoporus, plus after core cap by high temperature high-pressure sinter,
Sintered powder combines together by PCD core rods tight and with stainless steel die sleeve.
Conventional PCD core rod appearances are flat cylinders or polygon-prism, the PCD core rods of the shape in sintering process and
Thus wire-drawing die in wire drawing onsite application, is primarily present following defect made of the PCD core rods of shape：
1st, flat cylinder or prismatic PCD core rods are small with the contact area of sintered powder in sintering process.
2nd, wire-drawing die is in drawing production made of cylindric or prism-shaped PCD core rods, only below core rod
Sintered body and stainless steel die sleeve bear during drawing the impact force that the frictional force between die hole and metal material is formed, PCD core rods
The sintered body stress of side is smaller, so as to cause PCD core rods in drawing process to be easily broken.In the metal of major diameter, high rigidity
In material drawing process, which is especially apparent, and causes PCD core rod service lifes partially short.
3rd, existing wire drawing mouth is easy to wear, wherein the position worn at first is close to wire drawing inlet side.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of double inclined plane wire-drawing die core rod, it is possible to increase mould
The pulling capacity that core is born in drawing process, improves the service life of mould, in preferable scheme, can extend wire drawing import
Service life.
In order to solve the above technical problems, technical solution is used by the utility model：A kind of double inclined plane wire-drawing die is used
Core rod, is equipped with relative tilt face, the both ends in the relative tilt face are close to core rod center line, relative tilt face in the side wall of core rod
Center line of the medium position away from core rod.
In preferable scheme, the core rod is opposite cone table or halfpace body, and the circumscribed circle of core rod medium position is straight
Footpath is larger.
In preferable scheme, the inclined-plane in relative tilt face and the first angle of center line are 1 ~ 89 °.
In preferable scheme, the inclined-plane in relative tilt face and the first angle of center line are 15 ~ 45 °.
In preferable scheme, the inclined-plane in relative tilt face and the first angle of center line are 25 ~ 35 °.
In preferable scheme, the inclined-plane in relative tilt face and the first angle of center line are 30 °.
In preferable scheme, wire drawing mouth is equipped with the position of center line of core rod, wire drawing mouth, which passes through, to be followed successively by
Second conical section, the first conical section, straightway, the first conical section and the second conical section.
In preferable scheme, the 3rd angle of first conical section and center line is 8 ~ 20 °；
Second conical section and the second angle of center line are 50 ~ 70 °.
In preferable scheme, sintered body and die sleeve are equipped with successively from inside to outside in the periphery of core rod；
Sintered body and die sleeve are respectively equipped with and the corresponding opening of wire drawing mouth.
In preferable scheme, the core rod material is diamond, artificial diamond or polycrystalline diamond.
A kind of double inclined plane wire-drawing die core rod provided by the utility model, inclines relatively by using being set in core rod outer wall
The scheme on inclined-plane, increases the contact area between core rod and sintered body, after tested, the core rod phase that the utility model makes
For the prior art, service life can extend 1.5 ~ 2 times.In preferable scheme, using the scheme of wire drawing mouth symmetrical structure,
After a period of time, whole die sleeve is overturn into 180 degree, using original wire drawing outlet as import, further extends wire drawing
The service life of mouth.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is the main structure diagram of the utility model.
Fig. 2 is the main view overall structure diagram of the utility model.
Fig. 3 is the main structure diagram of core rod in the prior art.
In figure：Core rod 1, relative tilt face 101, center line 102, wire drawing import 2, the first angle 3, the second angle 4, the 3rd
Angle 5, the second conical section 6, the first conical section 7, straightway 8, sintered body 9, die sleeve 10.
Embodiment
In Fig. 1, a kind of double inclined plane wire-drawing die core rod, relative tilt face 101 is equipped with the side wall of core rod 1, described
Relative tilt face 101 both ends close to 1 center line of core rod, center line of the medium position in relative tilt face 101 away from core rod 1
102.Thus structure, the utility model except end face stress, side also can stress, increase forced area, and due to by
To after pulling force, also with radial component, it can also make sintered body 9 more densely cross-linked after compression.Relative tilt face 101 in this example
Can be that plane can also be curved surface.
In optional scheme, 1 material of core rod is diamond, artificial diamond or polycrystalline diamond.Using poly- in this example
Diamond.
In preferable scheme, the core rod 1 is opposite cone table or halfpace body, the circumscribed circle of 1 medium position of core rod
It is relatively large in diameter.Opposite frustum shape is preferably used in this example.
In preferable scheme, the inclined-plane in relative tilt face 101 is 1 ~ 89 ° with the first angle 3 of center line 102.
In preferable scheme, the inclined-plane in relative tilt face 101 is 15 ~ 45 ° with the first angle 3 of center line 102.
In preferable scheme, the inclined-plane in relative tilt face 101 is 25 ~ 35 ° with the first angle 3 of center line 102.
In preferable scheme, the inclined-plane in relative tilt face 101 is 30 ° with the first angle 3 of center line 102.It is excellent in this example
Elect 30 ° as.
In preferable scheme, wire drawing mouth 2 is equipped with 102 position of center line of core rod 1, wire drawing mouth 2 passes through
It is followed successively by the second conical section 6, the first conical section 7, straightway 8, the first conical section 7 and the second conical section 6.Thus structure, is drawing
After one end abrasion of silk mouth 2, core rod 1 is overturn into 180 degree and is used, original wire drawing outlet is further prolonged as wire drawing import
The service life of wire drawing mouth is grown.
In preferable scheme, the 3rd angle 5 of first conical section 7 and center line 102 is 8 ~ 20 °；It is excellent in this example
Choosing uses 19 °.
Second conical section 6 and the second angle 4 of center line 102 are 50 ~ 70 °.55 ° are preferably used in this example.
In preferable scheme such as Fig. 2, sintered body 9 and die sleeve 10 are equipped with successively from inside to outside in the periphery of core rod 1；
Sintered body 9 and die sleeve 10 are respectively equipped with and 2 corresponding horn opening of wire drawing mouth.
During wire drawing, the sintered body volume bigger on Impact direction that is touched with core rod 1, core rod be subject to by mould during drawing
The impact force that frictional force between hole and metal material is formed can more be sintered the die sleeve 10 of body 9 and stainless steel
Decomposition is born, and improves the service life of core rod 1.After a period of time, whole die sleeve 10 is overturn 180 °, extends wire drawing
The service life of mouth 2.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the scope of protection of the utility model should be recorded with claim, including the technical solution that claim is recorded
The equivalents of middle technical characteristic are protection domain.Equivalent substitution i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (10)
1. a kind of double inclined plane wire-drawing die core rod, it is characterized in that：In core rod（1）Side wall be equipped with relative tilt face（101）, institute
The relative tilt face stated（101）Both ends close to core rod（1）Center line, relative tilt face（101）Medium position away from core rod（1）
Center line（102）.
2. a kind of double inclined plane wire-drawing die core rod according to claim 1, it is characterized in that：The core rod（1）For phase
To cone table or halfpace body, core rod（1）The circumscribed circle diameter of medium position is larger.
3. a kind of double inclined plane wire-drawing die core rod according to claim 1, it is characterized in that：Relative tilt face（101）'s
Inclined-plane and center line（102）The first angle（3）For 1 ~ 89 °.
4. a kind of double inclined plane wire-drawing die core rod according to claim 1, it is characterized in that：Relative tilt face（101）'s
Inclined-plane and center line（102）The first angle（3）For 15 ~ 45 °.
5. a kind of double inclined plane wire-drawing die core rod according to claim 1, it is characterized in that：Relative tilt face（101）'s
Inclined-plane and center line（102）The first angle（3）For 25 ~ 35 °.
6. a kind of double inclined plane wire-drawing die core rod according to claim 1, it is characterized in that：Relative tilt face（101）'s
Inclined-plane and center line（102）The first angle（3）For 30 °.
7. a kind of double inclined plane wire-drawing die core rod according to claim 1, it is characterized in that：In core rod（1）Center line
（102）Position is equipped with wire drawing mouth（2）, wire drawing mouth（2）Pass through and be followed successively by the second conical section（6）, the first conical section
（7）, straightway（8）, the first conical section（7）With the second conical section（6）.
8. a kind of double inclined plane wire-drawing die core rod according to claim 7, it is characterized in that：First conical section
（7）With center line（102）The 3rd angle（5）For 8 ~ 20 °；
Second conical section（6）With center line（102）The second angle（4）For 50 ~ 70 °.
9. a kind of double inclined plane wire-drawing die core rod according to claim 1, it is characterized in that：In core rod（1）Periphery from
Interior arrive is equipped with sintered body successively outside（9）And die sleeve（10）；
Sintered body（9）And die sleeve（10）It is respectively equipped with and wire drawing mouth（2）Corresponding opening.
10. a kind of double inclined plane wire-drawing die core rod according to claim 1, it is characterized in that：The core rod（1）Material
For diamond, artificial diamond or polycrystalline diamond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958015.8U CN207222599U (en) | 2017-08-02 | 2017-08-02 | Double inclined plane wire-drawing die core rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958015.8U CN207222599U (en) | 2017-08-02 | 2017-08-02 | Double inclined plane wire-drawing die core rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207222599U true CN207222599U (en) | 2018-04-13 |
Family
ID=61855443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720958015.8U Active CN207222599U (en) | 2017-08-02 | 2017-08-02 | Double inclined plane wire-drawing die core rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207222599U (en) |
-
2017
- 2017-08-02 CN CN201720958015.8U patent/CN207222599U/en active Active
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