CN108838228A - A kind of main pipe hot leg integrated extrusion molding device - Google Patents
A kind of main pipe hot leg integrated extrusion molding device Download PDFInfo
- Publication number
- CN108838228A CN108838228A CN201810758652.XA CN201810758652A CN108838228A CN 108838228 A CN108838228 A CN 108838228A CN 201810758652 A CN201810758652 A CN 201810758652A CN 108838228 A CN108838228 A CN 108838228A
- Authority
- CN
- China
- Prior art keywords
- tube
- side mold
- stub
- core model
- extrusion molding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 28
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000005242 forging Methods 0.000 description 8
- 239000002826 coolant Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/12—Extruding bent tubes or rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/04—Mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
It is an object of the invention to disclose a kind of main pipe hot leg integrated extrusion molding device, it includes surge tube socket side mold, without stub (tube) side mold and ADS (releasing pressure automatically system) stub (tube) side mold, the surge tube socket side mold and ADS stub (tube) side mold are respectively arranged with cavity, the surge tube socket side mold and the first fixed core model is separately connected without stub (tube) side mold, the ADS stub (tube) side mold and be separately connected the second fixed core model without stub (tube) side mold；Compared with prior art, by integrated extrusion molding, steel ingot can be saved significantly on, reduces manufacturing cost, improve overall economy quality index, stub (tube) amount of machining is obviously reduced, and has biggish deformation, it is ensured that has preferable grain size at stub (tube), it can Quick-forming, local heating, reducing influences the grain size at nonextruding position, achieves the object of the present invention.
Description
Technical field
The present invention relates to a kind of main pipe hot leg molding machines of nuclear power plant's reactor coolant loop, in particular to a kind of
The main pipe hot leg integrated extrusion molding device of nuclear power plant's reactor coolant loop.
Background technique
In nuclear power plant in reactor coolant loop, reactor coolant pipe (hereinafter referred to as main pipeline) is as reaction
The runner of reactor coolant, be pressure boundary particularly important in primary Ioops reactor coolant loop and prevent primary Ioops substance to
The safety curtain of external leakage.
Reactor coolant pipe (hereinafter referred to as main pipeline) is usually made of hot arc and cold section, wherein hot arc connection reaction
Core pressure vessel (RPV) and steam generator (SG).
The economy of nuclear power technology is great to the influence on development of each nuclear power technology, and the manufacturing cost of equipment is then most important
One of influence factor.The required single steel ingot of hot arc weighs 120 tons under conventional entity forging stub (tube) technique, so that main pipeline system
It causes originally to remain high.How to reduce single steel ingot dosage to be affected to main pipeline manufacturing cost, also directly influences equipment
Economy.
Summary of the invention
The purpose of the present invention is to provide a kind of main pipe hot leg integrated extrusion molding devices, not for the prior art
Foot can save significantly on steel ingot, reduce processing capacity, improve grain size.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of main pipe hot leg integrated extrusion molding device, which is characterized in that it include surge tube socket side mold,
Without stub (tube) side mold and ADS stub (tube) side mold, the surge tube socket side mold and ADS stub (tube) side mold are set respectively
It is equipped with cavity, the surge tube socket side mold and is separately connected the first fixed core model without stub (tube) side mold, the ADS connects
Tube socket side mold and the second fixed core model is separately connected without stub (tube) side mold.
In one embodiment of the invention, the described first fixed core model is by surge tube socket side mold and without adapter tube
Seat side mold is provided with one first movable core model, and the described first fixed core model is worked in coordination with the first movable core model.
Further, the described first fixed core model and the first movable core model all have the taper of certain angle.
In one embodiment of the invention, the described second fixed core model is by ADS stub (tube) side mold and without stub (tube)
Side mold is provided with one second movable core model, and the described second fixed core model is worked in coordination with the second movable core model.
Further, the described second fixed core model and the second movable core model all have the taper of certain angle.
In one embodiment of the invention, the described first fixed core model by bolt respectively with surge tube socket side form
Tool is connected with no stub (tube) side mold.
In one embodiment of the invention, the described second fixed core model by bolt respectively with ADS stub (tube) side mold
It is connected with no stub (tube) side mold.
In one embodiment of the invention, the cavity of the surge tube socket side mold is used to form Surge line piping adapter tube
Seat squeezes metal, and the cavity carries out rounding setting.
In one embodiment of the invention, the cavity of the ADS stub (tube) side mold is used to form the extruding of ADS stub (tube)
Metal, the cavity carry out rounding setting.
Main pipe hot leg integrated extrusion molding device of the invention is squeezed by integration compared with prior art
Type can save significantly on steel ingot, reduce manufacturing cost, improve overall economy quality index, and stub (tube) amount of machining is obviously reduced, has
Biggish deformation, it is ensured that at stub (tube) have preferable grain size, can Quick-forming, local heating, reduce to nonextruding portion
The grain size of position influences, and achieves the object of the present invention.
The features of the present invention sees the detailed description of the drawings of the present case and following preferable embodiment and obtains clearly
Solution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of main pipe hot leg of the invention；
Fig. 2 is the structural schematic diagram before main pipe hot leg of the invention is bent；
Fig. 3 is the diagrammatic cross-section of main pipe hot leg forging stock before extruding of the invention；
Fig. 4 is the structural schematic diagram that main pipe hot leg surge tube socket of the invention squeezes；
Fig. 5 is the structural schematic diagram that main pipe hot leg ADS stub (tube) of the invention squeezes.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Embodiment 1
As shown in Figures 1 to 5, main pipe hot leg integrated extrusion molding device of the invention, it includes Surge line piping adapter tube
Seat side mold 1, without stub (tube) side mold 2 and ADS stub (tube) side mold 3, surge tube socket side mold 1 is provided with cavity and is used for
It forms surge tube socket and squeezes metal 11, ADS stub (tube) side mold 3 is provided with cavity and is used to form ADS stub (tube) extruding gold
Belong to 31.
The volume of the cavity of surge tube socket side mold 1 is at least 1.5 times of surge tube socket overall volume, fluctuation
The cavity of pipe stub (tube) side mold 1 carries out rounding setting；The volume of the cavity of ADS stub (tube) side mold 3 is at least ADS stub (tube)
The cavity of 1.5 times of overall volume, ADS stub (tube) side mold 3 carries out rounding setting.
First fixed core model 4 is connected by bolt 41 with surge tube socket side mold 1 and without stub (tube) side mold 2,
First fixed core model 4 is provided with one first movable core model 5 by surge tube socket side mold 1 and without stub (tube) side mold 2, the
One fixed core model 4 is worked in coordination with the first movable core model 5.
Second fixed core model 6 is connected by bolt 61 with ADS stub (tube) side mold 3 and without stub (tube) side mold 2, and second
Fixed core model 6 is provided with one first movable core model 7 by ADS stub (tube) side mold 3 and without stub (tube) side mold 2, and second is fixed
Core model 6 is worked in coordination with the second movable core model 7.
First fixed core model 4 and the first movable core model 5 all have the taper of certain angle, the second fixed core model 6 and second
Movable core model 7 all has the taper of certain angle, in order to form.
Main pipe hot leg integrated extrusion molding device of the invention acts on the lower movable core model for pushing one end by press
Pressure, the fixed core model of the other end are bolted motionless, realization extrusion forming.
The course of work of main pipe hot leg integrated extrusion molding device of the invention is following (referring to fig. 4 and Fig. 5)：
Firstly, assembling first fixes core model 4, surge tube socket side mold 1 and without stub (tube) side mold 2；Debugging first
Movable core model 5 is with surge tube socket side mold 1 and without 2 fiting effect of stub (tube) side mold；By the main pipe hot leg of semi-hollow
Forging stock 10 is hung in, and heats hot arc solid area；The first movable core model 5 is pushed to move forward under press effect, in the first activity
Core model 5 and surge tube socket side mold 1 form surge tube socket extruding metal 11 under acting on without stub (tube) side mold 2；To
After the surge tube socket extruding forming of metal 11 volume is met the requirements, surge tube socket side mold 1, the first slide core are disassembled
Mould 5 and the first fixed core model 4.
Adjust 20 posture of main pipe hot leg secondary extrusion forging stock, 7 and of the 3, second movable core model of installation ADS stub (tube) side mold
Second fixed core model 6, heats hot arc solid area；The second movable core model 7 is pushed to move forward under press effect, it is living second
Dynamic core model 7 and ADS stub (tube) side mold 3 form ADS stub (tube) extruding metal 31 under acting on without stub (tube) side mold 2；To ADS
Stub (tube) squeezes metal 31 and shapes fixed the 6, second activity of core model of disassembly ADS stub (tube) side mold 3, second after volume is met the requirements
Core model 7 and without stub (tube) side mold 2, takes out main pipe hot leg blank after extruding and carries out subsequent technique.
Main pipe hot leg integrated extrusion molding device of the invention has following technological merit：
1) extrusion molding, fashion of extrusion are backward extrusion, can Quick-forming compared to entity open die forging.
2) forge piece blank reheating is that both ends are hollow, intermediate solid, and for hollow segment length according to depending on stub (tube) position, hollow forging stock can
Substantially reduce amount of machining.
3) entity open die forging stub (tube) hot arc is compared, steel ingot can be saved significantly on, reduces manufacturing cost, improves overall economy quality
Index.
4) integrated extrusion molding is formed compared to open die forging, and stub (tube) amount of machining is obviously reduced.
5) stub (tube) is extrusion molding, has biggish deformation, it is ensured that has preferable grain size at stub (tube).
6) local heating, reducing influences the grain size at nonextruding position.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of main pipe hot leg integrated extrusion molding device, which is characterized in that it includes surge tube socket side mold, nothing
Stub (tube) side mold and ADS stub (tube) side mold, the surge tube socket side mold and ADS stub (tube) side mold are respectively set
There is a cavity, the surge tube socket side mold and is separately connected the first fixed core model, the ADS adapter tube without stub (tube) side mold
Seat side mold and the second fixed core model is separately connected without stub (tube) side mold.
2. main pipe hot leg integrated extrusion molding device as described in claim 1, which is characterized in that first fixed core
Mould is provided with one first movable core model, the described first fixed core model by surge tube socket side mold and without stub (tube) side mold
It works in coordination with the first movable core model.
3. main pipe hot leg integrated extrusion molding device as claimed in claim 2, which is characterized in that first fixed core
Mould and the first movable core model all have the taper of certain angle.
4. main pipe hot leg integrated extrusion molding device as described in claim 1, which is characterized in that second fixed core
Mould is provided with one second movable core model by ADS stub (tube) side mold and without stub (tube) side mold, the described second fixed core model with
Second movable core model is worked in coordination.
5. main pipe hot leg integrated extrusion molding device as claimed in claim 4, which is characterized in that second fixed core
Mould and the second movable core model all have the taper of certain angle.
6. main pipe hot leg integrated extrusion molding device as described in claim 1, which is characterized in that first fixed core
Mould is connected with surge tube socket side mold and without stub (tube) side mold respectively by bolt.
7. main pipe hot leg integrated extrusion molding device as described in claim 1, which is characterized in that second fixed core
Mould is connected with ADS stub (tube) side mold and without stub (tube) side mold respectively by bolt.
8. main pipe hot leg integrated extrusion molding device as described in claim 1, which is characterized in that the Surge line piping adapter tube
The cavity of seat side mold is used to form surge tube socket and squeezes metal, and the cavity carries out rounding setting.
9. main pipe hot leg integrated extrusion molding device as described in claim 1, which is characterized in that the ADS stub (tube)
The cavity of side mold is used to form ADS stub (tube) and squeezes metal, and the cavity carries out rounding setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810758652.XA CN108838228A (en) | 2018-07-11 | 2018-07-11 | A kind of main pipe hot leg integrated extrusion molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810758652.XA CN108838228A (en) | 2018-07-11 | 2018-07-11 | A kind of main pipe hot leg integrated extrusion molding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108838228A true CN108838228A (en) | 2018-11-20 |
Family
ID=64196819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810758652.XA Pending CN108838228A (en) | 2018-07-11 | 2018-07-11 | A kind of main pipe hot leg integrated extrusion molding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108838228A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1380472A (en) * | 1962-07-27 | 1964-12-04 | Baldwin Lima Hamilton Corp | Metal extrusion process and devices using this process |
| AT282300B (en) * | 1966-11-30 | 1970-06-25 | Babcock & Wilcox Co | Cooling device for the mandrel of an extrusion press |
| CN101758102A (en) * | 2010-03-15 | 2010-06-30 | 北京机电研究所 | Mold for extruding and forming thick-walled seamless steel pipes |
| CN202667304U (en) * | 2012-07-16 | 2013-01-16 | 江苏兴洋管业股份有限公司 | Metal bend extrusion forming device |
| CN103611753A (en) * | 2013-12-09 | 2014-03-05 | 北京机电研究所 | Forming device and method for thickening wall of pipe |
| KR101554982B1 (en) * | 2015-07-21 | 2015-09-22 | 주식회사 우림알텍 | Spiral pipe manufacturing apparatus and manufacturing method thereof |
| CN204769943U (en) * | 2015-09-15 | 2015-11-18 | 昆山正大新成精密锻造有限公司 | Cold crowded forming device of electrically conductive dabber |
| CN106424509A (en) * | 2015-11-10 | 2017-02-22 | 阜新华通管道有限公司 | Three-way pipe fitting extrusion forming mold and forming method |
| CN106424180A (en) * | 2016-09-29 | 2017-02-22 | 北京科技大学 | Extruding device and method for double-mouth and thick-wall pipe blank extrusion manufacturing |
| CN208879368U (en) * | 2018-07-11 | 2019-05-21 | 上海核工程研究设计院有限公司 | A kind of main pipe hot leg integrated extrusion molding device |
-
2018
- 2018-07-11 CN CN201810758652.XA patent/CN108838228A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1380472A (en) * | 1962-07-27 | 1964-12-04 | Baldwin Lima Hamilton Corp | Metal extrusion process and devices using this process |
| AT282300B (en) * | 1966-11-30 | 1970-06-25 | Babcock & Wilcox Co | Cooling device for the mandrel of an extrusion press |
| CN101758102A (en) * | 2010-03-15 | 2010-06-30 | 北京机电研究所 | Mold for extruding and forming thick-walled seamless steel pipes |
| CN202667304U (en) * | 2012-07-16 | 2013-01-16 | 江苏兴洋管业股份有限公司 | Metal bend extrusion forming device |
| CN103611753A (en) * | 2013-12-09 | 2014-03-05 | 北京机电研究所 | Forming device and method for thickening wall of pipe |
| KR101554982B1 (en) * | 2015-07-21 | 2015-09-22 | 주식회사 우림알텍 | Spiral pipe manufacturing apparatus and manufacturing method thereof |
| CN204769943U (en) * | 2015-09-15 | 2015-11-18 | 昆山正大新成精密锻造有限公司 | Cold crowded forming device of electrically conductive dabber |
| CN106424509A (en) * | 2015-11-10 | 2017-02-22 | 阜新华通管道有限公司 | Three-way pipe fitting extrusion forming mold and forming method |
| CN106424180A (en) * | 2016-09-29 | 2017-02-22 | 北京科技大学 | Extruding device and method for double-mouth and thick-wall pipe blank extrusion manufacturing |
| CN208879368U (en) * | 2018-07-11 | 2019-05-21 | 上海核工程研究设计院有限公司 | A kind of main pipe hot leg integrated extrusion molding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |