CN208131699U - It is a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod - Google Patents
It is a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod Download PDFInfo
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- CN208131699U CN208131699U CN201820613905.XU CN201820613905U CN208131699U CN 208131699 U CN208131699 U CN 208131699U CN 201820613905 U CN201820613905 U CN 201820613905U CN 208131699 U CN208131699 U CN 208131699U
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Abstract
The utility model belongs to extrusion process technical field, is related to a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod.The extrusion die, including being integrally formed matrix and die orifice embedded ring, the shape of matrix is round table-like, the inside of matrix offers through-hole, and its axis is overlapped with the axis of matrix, the shape of through-hole is round table-like, the inside top surface of matrix is provided with the ladder slot of hollow cylindrical, die orifice embedded ring is hollow cylindrical, chamfering is provided between the top surface and inner wall of die orifice embedded ring, the radius of chamfering is R, die orifice embedded ring is fixed in the ladder slot of matrix, and its top surface continuously connects with the top surface of matrix, the thickness of die orifice embedded ring and the consistency of thickness of ladder slot, the material of matrix is hot die steel, the material of die orifice embedded ring is cermet.Using this extrusion die, wearability is improved, prolongs the service life, reduce mold breakdown, improves the surface quality for squeezing tube rod, the processing suitable for titanium or titanium alloy.
Description
Technical field
The utility model belongs to extrusion process technical field, is related to a kind of for squeezing the extruding of titanium or titanium alloy tube rod
Mould.
Background technique
Extruding is relatively common plastic processing mode, its working principle is that imposing to the ingot blank one end being placed in extrusion cylinder
Pressure is run through extrusion die and then forms.Titanium or titanium alloy tube rod is squeezed frequently with forward extrusion, that is, the flowing side of metal
To consistent with the direction of motion of pressure ram；Simultaneously as the resistance of deformation of titanium or titanium alloy is big, frequently with hot extrusion, ingot blank adds
Hot temperature is between 750 DEG C~950 DEG C, and heating temperature is high, extrusion ratio is big, extruding force is big, so that the working environment phase of extrusion die
When severe, the flow of metal especially at die orifice is extremely serious.Existing extrusion die mostly uses 3Cr2V8W or 4Cr5MoSiV1 etc.
Hot die steel is integrally prepared；When squeezing 4 to 8 section ingot blank, the die orifice of extrusion die just will appear obvious scuffing, influence extruded tube
The surface quality of bar；When squeezing 10 sections or so, die orifice destroys and then extrusion die is caused to be scrapped, and increases mold use cost.
Utility model content
The purpose of this utility model is to provide a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod, extends mold
Service life, improve squeeze tube rod surface quality.
The utility model solve above-mentioned technical problem technical solution be：
It is a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod, including be that integrally formed matrix and die orifice are inlayed
Ring；The shape of matrix be it is round table-like, the inside of matrix offers through-hole, and its axis is overlapped with the axis of matrix, the shape of through-hole
Shape be it is round table-like, the inside top surface of matrix is provided with the ladder slot of hollow cylindrical, and die orifice embedded ring is hollow cylindrical, mould
Chamfering is provided between the top surface and inner wall of mouth embedded ring, the radius of chamfering is R；Die orifice embedded ring is fixed on the stepped groove of matrix
In hole, and its top surface continuously connects with the top surface of matrix, the thickness of die orifice embedded ring and the consistency of thickness of ladder slot；Matrix
Material is hot die steel, and the material of die orifice embedded ring is cermet.
Preferably, the top surface of matrix and die orifice embedded ring is indent inclined-plane annular shape；The size of R is 3mm~20mm；Base
The outer wall extended line of body and the radial angle of matrix are α, and the size of α is 5 °~40 °；The outer wall extended line of through-hole and matrix
Radial angle is β, and the size of β is 2 °~20 °；The material of matrix is 3Cr2W8V or H13.
It is used to squeeze having the beneficial effect that for the extrusion die of titanium or titanium alloy tube rod using the utility model：By squeezing
Inlay cermet material resistant to high temperature at the die orifice of mould, improve at extrusion die center, i.e., intensity at die orifice at high temperature and
Hardness improves the wearability of extrusion die, extends the service life of mold, and then improve the surface quality for squeezing tube rod；Edge
Matrix uses hot die steel, and the impact force of ingot blank when effectively buffering squeezes prevents mold in the severe impact power at the initial stage of extruding
It is lower to rupture；The top surface of matrix and die orifice embedded ring is both designed as indent inclined-plane annular shape, and inclined angle is consistent and connects
It is continuous to connect, certain buffer function is played to the surface of extrusion, keeps it more smooth；It is big suitable for resistance of deformation, use heat
The titanium or titanium alloy of extruding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the matrix of the utility model extrusion die；
Fig. 2 is the structural schematic diagram of the die orifice embedded ring of the utility model extrusion die；
Fig. 3 is the structural schematic diagram of the utility model extrusion die；
Fig. 4 is the usage state diagram of the utility model extrusion die.
Coding in attached drawing is respectively：Matrix 1, ladder slot 1-2, die orifice embedded ring 2, extrusion die 3, squeezes through-hole 1-1
Bar 4, extrusion cylinder 5, die-cushion 7, pressure-bearing pad 8, bearing beam 9, die sleeve 10, extrusion billet 11, squeeze tubing 12 at hole 6 of threading a needle.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod, which includes being
Integrally formed matrix 1 and die orifice embedded ring 2；The shape of matrix 1 is round table-like, and its top surface is that indent inclined-plane is circular, base
The outer wall extended line of body 1 and the radial angle of matrix 1 are α, and the size of α is 32 °, and the inside of matrix 1 offers through-hole 1-1,
And its axis is overlapped with the axis of matrix 1, the shape of through-hole 1-1 is round table-like, outer wall extended line and the matrix 1 of through-hole 1-1
Radial angle is β, and the size of β is 15 °, and the inside top surface of matrix 1 is provided with the ladder slot 1-2 of hollow cylindrical, die orifice
Embedded ring 2 is hollow cylindrical, and its top surface is that indent inclined-plane is circular, is arranged between the top surface and inner wall of die orifice embedded ring 2
There is chamfering, the radius of chamfering is R, and the size of R is 17mm；Die orifice embedded ring 2 is fixed in the ladder slot 1-2 of matrix 1, and its
Top surface continuously connects with the top surface of matrix 1, the thickness of die orifice embedded ring 2 and the consistency of thickness of ladder slot 1-2；The material of matrix 1
Matter is hot die steel, specially 3Cr2W8V, and the material of die orifice embedded ring 2 is cermet.
As shown in figure 4, the detailed process using the utility model is, it is set with extrusion cylinder 5 outside pressure ram 4, before pressure ram 4
End is equipped with hole 6 of threading a needle, 6 front end of hole of threading a needle successively is set with the extrusion die 3 of the utility model and die-cushion 7, pressure-bearing pad 8, holds
Power beam 9, extrusion die 3 and die-cushion 7 are set with die sleeve 10, then extrusion billet 11 is injected into extrusion cylinder 5, pressure ram 4 and extrusion die 3
Between in the cavity that is formed, push pressure ram 4, so that extrusion billet 11 is generated plastic deformation by the axial force that pressure ram 4 applies,
Meanwhile extrusion billet 11 passes through the sky between the through-hole 1-1 and hole 6 of threading a needle of extrusion die 3 in the limitation for being radially squeezed cylinder 5
Gap squeezes out, and is shaped to squeeze tubing 12, if being shaped to extruded bars without using hole 6 of threading a needle.
Claims (6)
1. a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod, which is characterized in that including being integrally formed matrix
(1) and die orifice embedded ring (2)；
The shape of described matrix (1) be it is round table-like, the inside of described matrix (1) offers through-hole (1-1), and its axis and matrix
(1) axis is overlapped, the shape of the through-hole (1-1) be it is round table-like, the inside top surface of described matrix (1) is provided with hollow cylinder
The ladder slot (1-2) of shape, the die orifice embedded ring (2) are hollow cylindrical, the top surface of the die orifice embedded ring (2) and inner wall
Between be provided with chamfering, the radius of the chamfering is R；
The die orifice embedded ring (2) is fixed in the ladder slot (1-2) of matrix (1), and the top surface of its top surface and matrix (1) connects
It is continuous to connect, the thickness of the die orifice embedded ring (2) and the consistency of thickness of ladder slot (1-2)；
The material of described matrix (1) is hot die steel, and the material of the die orifice embedded ring (2) is cermet.
2. as described in claim 1 a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod, which is characterized in that the base
The top surface of body (1) and die orifice embedded ring (2) is indent inclined-plane annular shape.
3. as described in claim 1 a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod, which is characterized in that the R
Size be 3mm~20mm.
4. as described in claim 1 a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod, which is characterized in that the base
The outer wall extended line of body (1) and the radial angle of matrix (1) are α, and the size of the α is 5 °~40 °.
5. as described in claim 1 a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod, which is characterized in that described logical
The outer wall extended line in hole (1-1) and the radial angle of matrix (1) are β, and the size of the β is 2 °~20 °.
6. as described in claim 1 a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod, which is characterized in that the base
The material of body (1) is 3Cr2W8V or H13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820613905.XU CN208131699U (en) | 2018-04-27 | 2018-04-27 | It is a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820613905.XU CN208131699U (en) | 2018-04-27 | 2018-04-27 | It is a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208131699U true CN208131699U (en) | 2018-11-23 |
Family
ID=64311348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820613905.XU Active CN208131699U (en) | 2018-04-27 | 2018-04-27 | It is a kind of for squeezing the extrusion die of titanium or titanium alloy tube rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208131699U (en) |
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2018
- 2018-04-27 CN CN201820613905.XU patent/CN208131699U/en active Active
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