CN206604888U - High accuracy, the cold-drawing molding die of high strength special-shaped heat absorption plate core structure - Google Patents
High accuracy, the cold-drawing molding die of high strength special-shaped heat absorption plate core structure Download PDFInfo
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- CN206604888U CN206604888U CN201720367816.7U CN201720367816U CN206604888U CN 206604888 U CN206604888 U CN 206604888U CN 201720367816 U CN201720367816 U CN 201720367816U CN 206604888 U CN206604888 U CN 206604888U
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 14
- 238000010622 cold drawing Methods 0.000 title claims abstract description 13
- 238000000465 moulding Methods 0.000 title claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 37
- 239000000411 inducer Substances 0.000 claims abstract description 30
- 238000007493 shaping process Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000003208 petroleum Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses the cold-drawing molding die of high accuracy, high strength special-shaped heat absorption plate core structure, it includes external mold and inner membrance；The external mold includes outer die body, and the outer die body uses axially symmetric structure, and its monnolithic case structure is cylinder, and the heart is machined with shaping mold cavity wherein；Passed through in the shaping mold cavity on its symmetry axis and section Internal periphery in parallel and be machined with the first circular arc inducer, the first circular arc inducer is connected with the section transition of the first arc transition, and the other end of the first arc transition section is connected with the first flat segments transition.Cold-drawing technology is aided in again by using this mould, can produce special-shaped heat absorption plate core structure, and then solve all kinds of special shapes or the steel pipe of property in Petroleum Down-hole Tool and engineering machinery.Complicated machinery processing can be simplified, mitigate construction weight, saving steel significantly, and the intensity of production tube metal is greatly improved due to processing hardening.
Description
Technical field
The invention belongs to chapped pipe processing and manufacturing device field, and in particular to a kind of high accuracy, high strength special-shaped heat absorption plate core structure
Cold-drawing molding die, and in particular to metal and the advanced preparation of nonmetallic materials, material molding technology.
Background technology
More specifically as the industries such as engineering machinery, Petroleum Down-hole Tool are higher to product quality and special shape proposition
Ask, no matter the special pipe of traditional bending welding forming can not meet existing production in terms of performance, dimensional accuracy and productivity ratio
The requirement of product.
Especially Petroleum Down-hole Tool, its use condition is more severe, and orographic condition is more complicated, it is necessary in well
Pipeline used in lower has good bending resistance, anti-twisting property, and its shape there is a need for being able to adapt to zero of complicated shape
Part.
The content of the invention
It is an object of the invention to provide a kind of high-precision, high strength special-shaped heat absorption plate core structure cold-drawing molding die, by using this
Mould aids in cold-drawing technology again, can produce special-shaped heat absorption plate core structure, and then solve each in Petroleum Down-hole Tool and engineering machinery
The steel pipe of class special shape or property.Complicated machinery processing can be simplified, mitigate construction weight significantly, saving steel, and
The intensity of production tube metal is greatly improved due to processing hardening.
In order to realize above-mentioned technical characteristic, the object of the present invention is achieved like this：High accuracy, high strength special-shaped D types
The cold-drawing molding die of pipe, it includes external mold and inner membrance；
The external mold includes outer die body, and the outer die body uses axially symmetric structure, and its monnolithic case structure is cylinder,
Its center is machined with shaping mold cavity；
Passed through in the shaping mold cavity on its symmetry axis and section Internal periphery in parallel and be machined with the first circular arc import
Section, the first circular arc inducer and the first arc transition section transition is connected, the other end of first arc transition section and the
One flat segments transition is connected；
The second circular arc is machined with the shaping mold cavity on the section Internal periphery perpendicular with plane where its symmetry axis to enter
Mouth section, the second circular arc inducer other end is connected with three-arc inducer transition, and the three-arc inducer is another
End is connected with the second flat segments transition.
The inner membrance includes interior die body, and the interior die body uses axially symmetric structure, and the center of the interior die body is machined with logical
Hole, passes through on its symmetry axis and section outline in parallel on interior die body and is machined with head knuckle, the head
Portion's knuckle other end is connected with the 3rd flat segments transition, and the 3rd flat segments pass through transition arc and the 4th flat segments mistake
Cross connected；
On the interior die body the 5th flat segments, institute are machined with the section outline perpendicular with plane where its symmetry axis
State the 5th flat segments by circular arc with the 6th flat segments transition to be connected, the 6th flat segments pass through circular arc and the 7th flat segments mistake
Cross connected.
Throwing of the first flat segments, the first arc transition section and the first circular arc inducer of the external mold along its direction of axis line
Shadow length ratio is 1：1.25：1；Second flat segments, three-arc inducer and the second circular arc inducer are along its axial line
The ratio between the projected length in direction is 1：1.25：1.
The 3rd flat segments and the 4th flat segments of the inner membrance are 1 along the ratio between projected length of its direction of axis line：2；Institute
It is 1 that the 5th flat segments, the 6th flat segments and the 7th flat segments, which are stated, along the ratio between projected length of its direction of axis line：1：1.15.
The method have the advantages that：
1st, the special-shaped heat absorption plate core structure produced and processed by using above-mentioned mould, improves the quality of steel pipe, and production efficiency
Height, cost is low, particularly tensile strength, yield strength, surface roughness and dimensional accuracy compared with bending welding fabrication product all
It is significantly improved, cold-drawn special-shaped seamless steel pipe is widely used in various structural members, instrument and component of machine, and seamless pipe phase
Typically there are larger the moment of inertia and modulus of section than, special-shaped drawn tube, have larger bending resistance anti-twisting property, can mitigate significantly
Construction weight, saving steel.
2 and this special-shaped drawn tube is mainly used in all kinds of special shapes or spy in Petroleum Down-hole Tool and engineering machinery
The steel pipe of different performance.Complicated machinery processing can be simplified, mitigate construction weight significantly, saving steel, and due to processing hardening
Greatly improve the intensity of production tube metal.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the D type external mold front views of the present invention.
Fig. 2 is D type external mold I-I sectional views in Fig. 1 of the invention.
Fig. 3 is D type external mold II-II sectional views in Fig. 1 of the invention.
Fig. 4 is the D type internal model front views of the present invention.
Fig. 5 is D type internal model Section A-A figures in Fig. 4 of the invention.
Fig. 6 is D type internal model section B-B figures in Fig. 4 of the invention.
Fig. 7 is the special-shaped heat absorption plate core structure overall structure figure of the present invention.
In figure：External mold 1, inner membrance 2；
Outer die body 101, three-arc inducer 102, the second circular arc inducer 103, the first flat segments 104, the first circular arc
Changeover portion 105, the first circular arc inducer 106, the second flat segments 107；
Interior die body 201, the 6th flat segments 202, the 5th flat segments 203, through hole 204, the 4th flat segments the 205, the 3rd are straight
Section 206, head knuckle 207, the 7th flat segments 208.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in figs. 1-7, high accuracy, the cold-drawing molding die of high strength special-shaped heat absorption plate core structure, it includes external mold 1 and inner membrance 2；
Further, the external mold 1 includes outer die body 101, and the outer die body 101 uses axially symmetric structure, and it is overall outer
Shape structure is cylinder, and the heart is machined with shaping mold cavity wherein；
Further, passed through in the shaping mold cavity on its symmetry axis and section Internal periphery in parallel and be machined with first
Circular arc inducer 106, the first circular arc inducer 106 is connected with 105 transition of section of the first arc transition, the first circular arc mistake
The other end for crossing section 105 is connected with the transition of the first flat segments 104；
Further, with being machined with the where its symmetry axis on the perpendicular section Internal periphery of plane in the shaping mold cavity
Two circular arc inducers 103, the other end of the second circular arc inducer 103 is connected with the transition of three-arc inducer 102, and described
The other end of three-arc inducer 102 is connected with the transition of the second flat segments 107.
Further, the inner membrance 2 includes interior die body 201, and the interior die body 201 uses axially symmetric structure, the internal model
The center of body 201 is machined with through hole 204, is passed through on interior die body 201 on its symmetry axis and section outline in parallel
Head knuckle 207 is machined with, the other end of head knuckle 207 is connected with the transition of the 3rd flat segments 206, described
Three flat segments 206 are connected by transition arc with the transition of the 4th flat segments 205；
Further, it is machined with section outline perpendicular with plane where its symmetry axis on the interior die body 201
5th flat segments 203, the 5th flat segments 203 are connected by circular arc with the transition of the 6th flat segments 202, the 6th flat segments
202 are connected by circular arc with the transition of the 7th flat segments 208.
Further, the first flat segments 104 of the external mold 1, the first arc transition section 105 and the first circular arc inducer
106 be 1 along the ratio between projected length of its direction of axis line：1.25：1；Second flat segments 107, three-arc inducer 102
With the second circular arc inducer 103 along the ratio between projected length of its direction of axis line be 1：1.25：1.
Further, projection of the 3rd flat segments 206 and the 4th flat segments 205 of the inner membrance 2 along its direction of axis line
Length ratio is 1：2；5th flat segments 203, the 6th flat segments 202 and the 7th flat segments 208 are along its direction of axis line
The ratio between projected length is 1：1：1.15.
Embodiment 2：
Such as Fig. 7：Raw material select martensitic stain less steel 13Cr, external diameter 159mm, wall thickness 10.5mm, length 6300mm heat
Steel rolling tube, is modulated after processing by surface treatment to it, that is, sequentially passes through pickling, phosphatization, lubricating layer, pass through inside and outside mould
Tool cold drawn forming can obtain long 180mm, wide 104mm, wall thickness 10mm, and the steel pipe of the similar D types of shape, this steel pipe has higher
Dimensional accuracy and mechanical performance index.And have larger the moment of inertia and modulus of section, there is larger bending resistance anti-twisting property.
Above-described embodiment is used for illustrating the present invention, rather than limits the invention, the present invention spirit and
In scope of the claims, any modifications and changes made to the present invention both fall within protection scope of the present invention.
Claims (4)
1. high accuracy, the cold-drawing molding die of high strength special-shaped heat absorption plate core structure, it is characterised in that：It includes external mold（1）And inner membrance（2）；
The external mold（1）Including outer die body（101）, the outer die body（101）Using axially symmetric structure, its monnolithic case structure is
Cylinder, wherein the heart be machined with shaping mold cavity；
Passed through in the shaping mold cavity on its symmetry axis and section Internal periphery in parallel and be machined with the first circular arc inducer
（106）, the first circular arc inducer（106）With the first arc transition section（105）Transition is connected, the first arc transition section
（105）The other end and the first flat segments（104）Transition is connected；
In the shaping mold cavity the second circular arc inducer is machined with the section Internal periphery perpendicular with plane where its symmetry axis
（103）, the second circular arc inducer（103）The other end and three-arc inducer（102）Transition is connected, the three-arc
Inducer（102）The other end and the second flat segments（107）Transition is connected.
2. high-precision, high strength special-shaped heat absorption plate core structure cold-drawing molding die according to claim 1, it is characterised in that：It is described
Inner membrance（2）Including interior die body（201）, the interior die body（201）Using axially symmetric structure, the interior die body（201）Center add
Work has through hole（204）, in interior die body（201）On be machined with head through on its symmetry axis and section outline in parallel
Knuckle（207）, the head knuckle（207）The other end and the 3rd flat segments（206）Transition is connected, and the described 3rd is flat
Straight section（206）Pass through transition arc and the 4th flat segments（205）Transition is connected；
The interior die body（201）The 5th flat segments are machined with the perpendicular section outline of plane where upper and its symmetry axis
（203）, the 5th flat segments（203）Pass through circular arc and the 6th flat segments（202）Transition is connected, the 6th flat segments
（202）Pass through circular arc and the 7th flat segments（208）Transition is connected.
3. high-precision, high strength special-shaped heat absorption plate core structure cold-drawing molding die according to claim 1, it is characterised in that：It is described
External mold（1）The first flat segments（104）, the first arc transition section（105）With the first circular arc inducer（106）Along its axial line side
To the ratio between projected length be 1：1.25：1；Second flat segments（107）, three-arc inducer（102）With the second circular arc
Inducer（103）The ratio between projected length along its direction of axis line is 1：1.25：1.
4. high-precision, high strength special-shaped heat absorption plate core structure cold-drawing molding die according to claim 2, it is characterised in that：It is described
Inner membrance（2）The 3rd flat segments（206）With the 4th flat segments（205）The ratio between projected length along its direction of axis line is 1：2；Institute
State the 5th flat segments（203）, the 6th flat segments（202）With the 7th flat segments（208）Along its direction of axis line projected length it
Than for 1：1：1.15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720367816.7U CN206604888U (en) | 2017-04-10 | 2017-04-10 | High accuracy, the cold-drawing molding die of high strength special-shaped heat absorption plate core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720367816.7U CN206604888U (en) | 2017-04-10 | 2017-04-10 | High accuracy, the cold-drawing molding die of high strength special-shaped heat absorption plate core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206604888U true CN206604888U (en) | 2017-11-03 |
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ID=60167554
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720367816.7U Active CN206604888U (en) | 2017-04-10 | 2017-04-10 | High accuracy, the cold-drawing molding die of high strength special-shaped heat absorption plate core structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126993A (en) * | 2017-12-22 | 2018-06-08 | 重庆龙煜精密铜管有限公司 | Ears specially shaped copper tube production technology |
| CN108526232A (en) * | 2018-05-14 | 2018-09-14 | 重庆龙煜精密铜管有限公司 | Cross tee one-pass molding sky drawing-die has |
| CN108906902A (en) * | 2018-08-22 | 2018-11-30 | 广东海亮铜业有限公司 | A kind of mold and heat absorption plate core structure processing unit (plant) |
-
2017
- 2017-04-10 CN CN201720367816.7U patent/CN206604888U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126993A (en) * | 2017-12-22 | 2018-06-08 | 重庆龙煜精密铜管有限公司 | Ears specially shaped copper tube production technology |
| CN108526232A (en) * | 2018-05-14 | 2018-09-14 | 重庆龙煜精密铜管有限公司 | Cross tee one-pass molding sky drawing-die has |
| CN108526232B (en) * | 2018-05-14 | 2024-02-06 | 重庆龙煜精密铜管有限公司 | Cross pipe one-step forming blank drawing die |
| CN108906902A (en) * | 2018-08-22 | 2018-11-30 | 广东海亮铜业有限公司 | A kind of mold and heat absorption plate core structure processing unit (plant) |
| CN108906902B (en) * | 2018-08-22 | 2024-09-13 | 广东海亮铜业有限公司 | Die and D-shaped pipe machining device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cold Drawing Mold for High Precision and High Strength Deformed D-shaped Tube Effective date of registration: 20230315 Granted publication date: 20171103 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2023980035029 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20171103 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2023980035029 |