CN111774433A - Mold water-opening groove process for crystallizer copper pipe - Google Patents
Mold water-opening groove process for crystallizer copper pipe Download PDFInfo
- Publication number
- CN111774433A CN111774433A CN202010647949.6A CN202010647949A CN111774433A CN 111774433 A CN111774433 A CN 111774433A CN 202010647949 A CN202010647949 A CN 202010647949A CN 111774433 A CN111774433 A CN 111774433A
- Authority
- CN
- China
- Prior art keywords
- copper pipe
- grooving
- crystallizer
- mold
- pipe blank
- 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
Images
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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention provides a mold water tank opening process for a crystallizer copper pipe, and relates to the technical field of crystallizer copper pipe processing. The mold water tank opening process for the crystallizer copper pipe comprises the following steps: s1, selecting a copper pipe blank, and detecting the copper pipe blank by using a metal flaw detector, wherein the outer diameter of the copper pipe blank is 190mm multiplied by 190mm, the inner diameter is 154mm multiplied by 154mm, and the wall thickness is 18 mm; s2, preparing a copper pipe blank core rod, namely an inner mold, wherein the size of the core rod is 154mm multiplied by 1200mm, the radius R of the core rod is 8000mm, and the qualified copper pipe blank is arranged on the inner mold; s3, preparing a grooving die for the copper pipe blank, and coating special lubricating oil on the grooving die; and S4, starting the press machine, and enabling the copper pipe blank to slowly pass through the grooving die. According to the invention, the grooving process is carried out on the copper pipe blank by using the grooving die, the crystallizer copper pipe is formed in one step by drawing, a special grooving process is not required to be added, the efficiency is greatly improved, the cost is effectively reduced, and meanwhile, the grooving process is simple to operate and can be used for large-scale production.
Description
Technical Field
The invention relates to the technical field of crystallizer copper pipe processing, in particular to a mold water-boiling tank process for a crystallizer copper pipe.
Background
Since the birth of continuous casting technology in the steel industry, the drawing speed is continuously improved through continuous innovation and improvement, the most advanced process at the present stage is that a water tank is arranged on the outer wall of a copper pipe of a crystallizer, cooling water flows from the inner side of the water tank, compared with water flowing from a water gap of a water jacket, the heat exchange area of the crystallizer is large, the cooling is uniform, the drawing speed of continuous casting can be improved by more than 25 percent by using the copper pipe of the crystallizer with the water tank, and the crystallizer with the water tank used by a continuous casting machine becomes the future development trend.
The crystallizer copper pipe is a fitting for a cast steel continuous casting machine, and is caused by the fact that molten steel is directly cast in the crystallizer copper pipe.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a mold water-boiling tank process for a crystallizer copper pipe, which solves the defects and shortcomings in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the mold water tank opening process for the crystallizer copper pipe comprises the following steps of:
s1, selecting a copper pipe blank, and detecting the copper pipe blank by using a metal flaw detector, wherein the outer diameter of the copper pipe blank is 190mm multiplied by 190mm, the inner diameter is 154mm multiplied by 154mm, and the wall thickness is 18 mm;
s2, preparing a copper pipe blank core rod, namely an inner mold, wherein the size of the core rod is 154mm multiplied by 1200mm, the radius R of the core rod is 8000mm, and the qualified copper pipe blank is arranged on the inner mold;
s3, preparing a grooving die for the copper pipe blank, and coating special lubricating oil on the grooving die;
s4, starting a press machine to enable the copper pipe blank to slowly pass through the grooving die, and successfully grooving the outer surface of the copper pipe after passing through the die;
and S5, milling the grooved copper pipe and performing other assembly size processing, namely obtaining the finished steel pipe with the water tank.
Preferably, the working angle of the slotting die is 8 degrees.
Preferably, the shape of the steel pipe finished product water feeding tank is trapezoidal, the width of the bottom of the steel pipe finished product water feeding tank is 5mm, the depth of the steel pipe finished product water feeding tank is 7.5mm, and the inclination of the waist edge of the steel pipe finished product water feeding tank is 15 degrees.
Preferably, the size of the finished steel pipe is 150mm multiplied by 1000mm, and the radius R of the finished steel pipe is 8000 mm.
Preferably, the finished steel pipe product is provided with 44 water tanks on four sides, and the sectional area of each water tank is 52mm2Total 2288mm2The heat exchange area of the single water tank is 20mm ＊ L, and the total amount is 880mm ＊ L.
Preferably, the elongation of the copper pipe is 25-30%, and the hardness of the finished copper pipe is greater than HB 80.
(III) advantageous effects
The invention provides a mold water-boiling tank process for a crystallizer copper pipe. The method has the following beneficial effects:
1. according to the invention, the grooving process is carried out on the copper pipe blank by using the grooving die, the crystallizer copper pipe is formed in one step by drawing, a special grooving process is not required to be added, the efficiency is greatly improved, the cost is effectively reduced, and meanwhile, the grooving process is simple to operate and can be used for large-scale production.
2. According to the invention, the heat exchange area of the copper pipe of the crystallizer is larger than that of the traditional rectangular groove, the heat conduction path is superior to that of the traditional rectangular groove, the surface is smooth, the water resistance and the eddy current are reduced, the heat dissipation is increased, and the heat exchange area of a single water tank is obviously improved no matter the water flow speed of the same water volume is the same.
Drawings
FIG. 1 is a schematic view of the structure of a notching die of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the copper tube blank structure of the present invention;
FIG. 4 is a schematic view of the grooved steel tube structure according to the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 5, an embodiment of the present invention provides a mold open water tank process for a crystallizer copper pipe, including the following steps:
s1, selecting a copper pipe blank, and detecting the copper pipe blank by using a metal flaw detector, wherein the outer diameter of the copper pipe blank is 190mm multiplied by 190mm, the inner diameter is 154mm multiplied by 154mm, and the wall thickness is 18 mm;
s2, preparing a copper pipe blank core rod, namely an inner mold, wherein the size of the core rod is 154mm multiplied by 1200mm, the radius R of the core rod is 8000mm, and the qualified copper pipe blank is arranged on the inner mold;
s3, preparing a grooving die for the copper pipe blank, wherein the working angle (opening degree) of the grooving die is 8 degrees, the grooving die is mainly formed by radial extrusion force during working, the shape is stable, special lubricating oil is coated on the grooving die, the lubricating oil can ensure that the copper pipe blank passes through the grooving die more smoothly, and the frictional resistance can be reduced;
s4, starting a press machine to enable the copper pipe blank to slowly pass through the grooving die, successfully grooving the outer surface of the copper pipe after passing through the die, and forming at one time;
s5, milling the grooved copper pipe to obtain the final product with water tank, wherein the water tank is trapezoidal, the width of the water tank is 5mm, the depth is 7.5mm, the slope of the waist is 15 °, the size of the steel pipe is 150mm x 1000mm, the radius R is 8000mm, the elongation of the copper pipe is 25-30%, and the hardness of the copper pipe is greater than HB 80.
According to the invention, the grooving process is carried out on the copper pipe blank by using the grooving die, the crystallizer copper pipe is formed in one step by drawing, a special grooving process is not required to be added, the efficiency is greatly improved, the cost is effectively reduced, and meanwhile, the grooving process is simple to operate and can be used for large-scale production.
The invention takes a 150mm ＊ 150mm type copper pipe as an example, 44 water tanks are arranged on four sides, the sectional area of each water tank is 52mm2Total 2288mm2And a water gap 3 between the folded diversion water jacket and the common copper pipe.2mm, the water flow speed of the same water amount is increased by 25%, the heat exchange area of a single water tank is 20mm ＊ L, the total area is 880mm ＊ L, the heat exchange area is 25% larger than that of a common copper pipe, and the two key parameters are very suitable for the copper pipe of the high-pulling-speed crystallizer.
According to the invention, the heat exchange area of the copper pipe of the crystallizer is larger than that of the traditional rectangular groove, the heat conduction path is superior to that of the traditional rectangular groove, the surface is smooth, the water resistance and the eddy current are reduced, the heat dissipation is increased, and the heat exchange area of a single water tank is obviously improved no matter the water flow speed of the same water volume is the same.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The mold water tank opening process for the crystallizer copper pipe is characterized in that: the method comprises the following steps:
s1, selecting a copper pipe blank, and detecting the copper pipe blank by using a metal flaw detector, wherein the outer diameter of the copper pipe blank is 190mm multiplied by 190mm, the inner diameter is 154mm multiplied by 154mm, and the wall thickness is 18 mm;
s2, preparing a copper pipe blank core rod, namely an inner mold, wherein the size of the core rod is 154mm multiplied by 1200mm, the radius R of the core rod is 8000mm, and the qualified copper pipe blank is arranged on the inner mold;
s3, preparing a grooving die for the copper pipe blank, and coating special lubricating oil on the grooving die;
s4, starting a press machine to enable the copper pipe blank to slowly pass through the grooving die, and successfully grooving the outer surface of the copper pipe after passing through the die;
and S5, milling the grooved copper pipe and performing other assembly size processing, namely obtaining the finished steel pipe with the water tank.
2. The mold boiling process for the crystallizer copper pipe as recited in claim 1, wherein: the working angle of the grooving die is 8 degrees.
3. The mold boiling process for the crystallizer copper pipe as recited in claim 1, wherein: the shape of the steel pipe finished product water feeding groove is trapezoidal, the width of the bottom of the steel pipe finished product water feeding groove is 5mm, the depth of the steel pipe finished product water feeding groove is 7.5mm, and the inclination of the waist edge is 15 degrees.
4. The mold boiling process for the crystallizer copper pipe as recited in claim 1, wherein: the size of the steel pipe finished product is 150mm multiplied by 1000mm, and the radius R of the steel pipe finished product is 8000 mm.
5. The mold boiling tank process for crystallizer copper tubes as claimed in claim 4, wherein: the four sides of the finished steel pipe are provided with 44 water tanks, and the sectional area of each water tank is 52mm2Total 2288mm2The heat exchange area of the single water tank is 20mm ＊ L, and the total amount is 880mm ＊ L.
6. The mold boiling process for the crystallizer copper pipe as recited in claim 1, wherein: the elongation of the copper pipe is 25-30%, and the hardness of the finished copper pipe is greater than HB 80.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010647949.6A CN111774433A (en) | 2020-07-07 | 2020-07-07 | Mold water-opening groove process for crystallizer copper pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010647949.6A CN111774433A (en) | 2020-07-07 | 2020-07-07 | Mold water-opening groove process for crystallizer copper pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111774433A true CN111774433A (en) | 2020-10-16 |
Family
ID=72758310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010647949.6A Pending CN111774433A (en) | 2020-07-07 | 2020-07-07 | Mold water-opening groove process for crystallizer copper pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111774433A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312140A (en) * | 2001-04-06 | 2001-09-12 | 上海申马铜业科技股份有限公司 | Manufacture of specially shaped copper tube for computer to dissipate heat |
| CN207642259U (en) * | 2017-10-10 | 2018-07-24 | 北京科技大学 | A kind of high pulling rate equilibrium efficient heat transfer crystallizer copper pipe |
| CN111112472A (en) * | 2020-02-10 | 2020-05-08 | 大连理工大学 | Forming die for crystallizer copper pipe with groove and preparation method |
| CN111136229A (en) * | 2020-02-26 | 2020-05-12 | 麦格瑞（北京）智能科技有限公司 | Crystallizer copper pipe water jacket integrated configuration |
-
2020
- 2020-07-07 CN CN202010647949.6A patent/CN111774433A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312140A (en) * | 2001-04-06 | 2001-09-12 | 上海申马铜业科技股份有限公司 | Manufacture of specially shaped copper tube for computer to dissipate heat |
| CN207642259U (en) * | 2017-10-10 | 2018-07-24 | 北京科技大学 | A kind of high pulling rate equilibrium efficient heat transfer crystallizer copper pipe |
| CN111112472A (en) * | 2020-02-10 | 2020-05-08 | 大连理工大学 | Forming die for crystallizer copper pipe with groove and preparation method |
| CN111136229A (en) * | 2020-02-26 | 2020-05-12 | 麦格瑞（北京）智能科技有限公司 | Crystallizer copper pipe water jacket integrated configuration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103658225B (en) | A kind of non-ferrous metal has seam elbow cooling formation technic | |
| CN101070931A (en) | Method for preparing large-diameter white copper pipe | |
| CN105312353A (en) | Large-diameter thin-wall cupronickel tube short process production method | |
| CN209206067U (en) | A kind of dedicated cold drawing die of integrally finned tubes | |
| Huang et al. | Implementation and forming mechanism of the solid-liquid cast-rolling bonding (SLCRB) process for steel/Al clad pipes | |
| CN102773303A (en) | Copper nickel alloy large-size thick-wall seamless pipe manufacturing process | |
| CN111774433A (en) | Mold water-opening groove process for crystallizer copper pipe | |
| CN104607512A (en) | Bend forming method of large-angle pipeline with high precision, large pipe diameter and small bending diameter ratio | |
| CN103191946B (en) | Round Multi-hole parallel flow pipe manufacturing process in aluminium alloy | |
| CN112139237A (en) | Manufacturing method of metal composite long material and metal composite long material | |
| CN105690032A (en) | Machining process for bimetal bush | |
| CN111069333B (en) | Precise forming method for aluminum alloy thin-wall cylinder | |
| CN111215469A (en) | Multi-mold core complex section hot extrusion mold | |
| CN102489535A (en) | Method for preparing and processing cupronickel capillary with high efficiency | |
| CN103715831A (en) | Cooling sleeve and manufacturing method thereof | |
| CN103495840B (en) | The production method of double-layer alloy composite plate | |
| CN205165377U (en) | Wire drawing machine mould cover | |
| CN105149358A (en) | Composite material roller sleeve for aluminum alloy continuous cast rolling and manufacturing process thereof | |
| CN1083307C (en) | Beam formed from as-continuously cast beam blank | |
| CN106128640A (en) | A kind of preparation technology of high-strength copper-aluminum interface alloy composite bus | |
| CN110695336B (en) | Semisolid magnesium alloy gradient extrusion combined die | |
| US9908176B2 (en) | Continuous casting nozzle assembly for casting of a metallic pipe | |
| CN1346718A (en) | Process for preparing seamless composite metal pipe | |
| CN112007951A (en) | Method for forming round pipe hole pattern of high-frequency straight welded pipe | |
| JP2010052042A (en) | Continuous casting method for round slab for seamless steel pipe |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201016 |