CN102240700A - Method for extruding and forming stainless steel three-way joint - Google Patents
Method for extruding and forming stainless steel three-way joint Download PDFInfo
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- CN102240700A CN102240700A CN2011101457970A CN201110145797A CN102240700A CN 102240700 A CN102240700 A CN 102240700A CN 2011101457970 A CN2011101457970 A CN 2011101457970A CN 201110145797 A CN201110145797 A CN 201110145797A CN 102240700 A CN102240700 A CN 102240700A
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Abstract
The invention discloses a method for extruding and forming a stainless steel three-way joint, comprising the following steps of: 1), preparing a stainless steel tube billet (1), surface of which is wrapped by a layer of plastic film (9); 2), extruding and forming the stainless steel tube billet (1) so as to obtain a semi-finished product of the three-way joint, wherein a liquid filling medium in a liquid filling system in a tube is emulsion formed by modulating emulsified oil and water; and 3), performing solid solution treatment, surface grinding and groove processing of the semi-finished product of the three-way joint. According to the method for extruding and forming the stainless steel three-way joint disclosed by the invention, the emulsion is ingeniously used as the liquid filling medium; energy-saving and environmental protection requests can be satisfied; the three-way joint extruded and formed by the invention is cleaned easily; the emulsion of the liquid filling medium in the tube can be recycled; stainless steel metal tee joints and the environment cannot be polluted; furthermore, a layer of plastic film is ingeniously wrapped on the stainless steel tube billet in advance; the surface of the formed three-way joint can be effectively prevented from generating defects; and the processing quality of the three-way joint is obviously improved.
Description
Technical field
The present invention relates to a kind of stainless steel three-way connection manufacture method, particularly, relate to a kind of stainless steel three-way connection extrusion process.
Background technology
At present, stainless steel three-way connection extrusion process generally adopts the medium of the mixing material of hydraulic oil or pure water and butter as the pipe internal-filling liquid.Butter is easy cleaning not, and the hydraulic oil consumes energy easily pollutes environment, and these manage internal-filling liquid media owing to can not play good cooling effect simultaneously, and is under the heat effects that the stainless steel tube blank deformation produces, apt to deteriorate.
In addition, in the operation process of stainless steel three-way connection extrusion process, because the extrusion friction between stainless steel tube blank and the threeway mould, usually make the defective that the surperficial generation of three-way connection of moulding can't be eliminated, seriously influenced the quality of three-way connection.But because the stainless steel blank need carry out crimp in the threeway mould, this makes and is difficult to take effective safeguard procedures that it has become a technical barrier that is difficult to overcome in the three-way connection extrusion forming process.
Therefore must a kind of new stainless steel three-way connection extrusion process of exploitation.
Summary of the invention
The purpose of this invention is to provide a kind of novel stainless steel three-way connection extrusion process, to overcome the defective of prior art, this stainless steel three-way connection extrusion process is environmentally safe, energy savings not only, and can avoid the three-way connection of moulding to produce surface damage effectively.
Above-mentioned purpose is achieved through the following technical solutions: stainless steel three-way connection extrusion process comprises the steps: 1) prepare to be used to make the stainless steel tube blank of stainless steel three-way connection; 2) by threeway hydraulic extrusion press, threeway mould and supporting pipe internal-filling liquid system, described stainless steel tube blank is carried out extrusion modling, to obtain the three-way connection semi-finished product; 3) described three-way connection semi-finished product are carried out solution treatment, surface grinding and groove processing; Wherein, in described step 1), at described stainless steel tube blank surface parcel one deck plastic foil; In described step 2) in, the emulsion of the topping up medium in the described pipe internal-filling liquid system for forming by oil emulsion and water modulation.
Particularly, in above-mentioned steps 2) in comprise following technical process successively: matched moulds, pre-extruding, pipe internal-filling liquid, push and move back mould.
Selectively, in above-mentioned steps 2) in, the allocation ratio of oil emulsion and water is volume ratio 1:10-1:50.
By technique scheme of the present invention, stainless steel three-way connection extrusion process of the present invention adopts emulsion as the topping up medium originally, satisfy the requirement of energy-saving and environmental protection, three-way connection through extrusion modling of the present invention is easy to clean, production environment and equipment cleaning, method of operating is simple, and pipe internal-filling liquid medium emulsion is reusable, can not pollute stainless steel threeway and environment.In addition, the present invention wraps up one deck plastic foil originally in advance on the stainless steel tube blank, prevented that effectively defective from appearring in the three-way connection surface of moulding, has improved the crudy of three-way connection significantly.
Description of drawings
Fig. 1 is the schematic diagram of initial job state of the stainless steel three-way connection extrusion process of the specific embodiment of the invention.
Fig. 2 is the schematic diagram of squeezed state of the stainless steel three-way connection extrusion process of the specific embodiment of the invention.
Among the figure: 1 stainless steel tube blank; 2 threeway mould patrixes; 3 main hydraulic jacks; 4 side cylinder push rods; 5 charging pumps; 6 side cylinders; 7 liftout tanks; 8 threeway mould counterdies; 9 plastic foils.
The specific embodiment
The specific embodiment of stainless steel three-way connection extrusion process of the present invention is described below in conjunction with accompanying drawing.
Need to prove, stainless steel three-way connection extrusion process of the present invention is identical with the extrusion process of prior art on some extrusion formation equipments that use substantially, therefore in the following description, for some known equipment and the technology that relate to, only simply describe.Unlike the prior art be, the present invention relates to the change of some processing steps and operation medium in the extrusion modling process, this is the major technique design of stainless steel three-way connection extrusion process of the present invention.
Referring to illustrated in figures 1 and 2, stainless steel three-way connection extrusion process of the present invention comprises following technical step:
At first, prepare to be used to make the stainless steel tube blank 1 of stainless steel three-way connection, and at this stainless steel tube blank 1 surface parcel one deck plastic foil 9.
Secondly, by threeway hydraulic extrusion press, threeway mould and supporting pipe internal-filling liquid system, the stainless steel tube blank 1 that is enclosed with described plastic foil 9 is carried out extrusion modling, obtaining the three-way connection semi-finished product, the emulsion of topping up medium in the wherein said pipe internal-filling liquid system for forming by oil emulsion and water modulation.
The extrusion forming process of the stainless steel three-way connection that relates in this step is known for those skilled in the art substantially, it mainly is the threeway mould (comprising threeway mould patrix 2 and threeway mould counterdie 8) that corresponding specification is installed on the threeway hydraulic extrusion press, under the effect of the main hydraulic jack 3 of threeway hydraulic extrusion press, both sides side cylinder 6 and pipe internal-filling liquid system (charging pump 5 among Fig. 1 and Fig. 2 and supporting valve, pipeline, Pressure gauge etc.), through matched moulds, pre-extruding, pipe internal-filling liquid, push, move back main process such as mould, finish the extrusion forming process process of threeway.Particularly, the first, matched moulds: the stainless steel tube blank of preparing 1 is put into the threeway mould, under the effect of the main hydraulic jack 3 of threeway hydraulic extrusion press, on the threeway mould 2, counterdie 8 closures; The second, pre-extruding: adopt the both sides cylinder 6 upside cylinder push rods 4 on the threeway hydraulic extrusion press, under the active force of side cylinder 6, shutoff (referring to Fig. 1) is carried out at stainless steel tube blank 1 both ends; The 3rd, the pipe internal-filling liquid: starting charging pump 5, realize carrying out topping up in the stainless steel tube blank 1 by pipeline; The 4th, extruding: after being full of described emulsion in the pipe, the both sides side cylinder 6 of threeway hydraulic extrusion press advances, carry out symmetry pressurization, extruding propelling by 4 pairs of stainless steel tube blank 1 two ends of both sides cylinder push rod, when both sides side cylinder 6 walks to the setting stroke limit, three-way connection semi-finished product extrusion modling (referring to Fig. 2), pressure release in the three-way connection semi-finished product, both sides side cylinder 6 are return then; The 5th, move back mould: liftout tank 7 ejects, and the three-way connection semi-finished product of extrusion modling withdraw from the threeway mould.Need to prove that at this these extrusion process processes are known to those skilled in the art, these basic craft course and various known variations thereof all belong to protection scope of the present invention.
In addition, the modulation of emulsion also is known for those skilled in the art, modulates emulsion generally speaking, and converting the water ratio is the 1:20(volume ratio), according to the quality of oil emulsion quality, the water of can converting that has reaches 1:50 certainly, maximum 1:10 that arrive of difference.In addition, it is very important to prepare the used water of emulsion, and the suitable hardness of water is 50～200, preferably, can adopt pure water.Stainless steel three-way connection extrusion process of the present invention, one main improvement are exactly the hydraulic oil that uses of the pipe internal-filling liquid system that adopts emulsion to replace being used at present the threeway extrusion modling or the mixing material of pure water and butter.
At last, described three-way connection semi-finished product are carried out solution treatment, surface grinding and groove processing.
By last description as seen, stainless steel three-way connection extrusion process of the present invention adopts emulsion as the topping up medium originally, satisfy the requirement of energy-saving and environmental protection, three-way connection through extrusion modling of the present invention is easy to clean, production environment and equipment cleaning, method of operating is simple, and pipe internal-filling liquid medium emulsion is reusable, can not pollute stainless steel threeway and environment.In addition, the present invention wraps up one deck plastic foil originally in advance on the stainless steel tube blank, utilize the character that plastic foil plasticity is strong, be easy to follow the stainless steel tube blank deformation, and because plastic foil thickness almost can be ignored, therefore can not have influence on the accuracy of manufacture of three-way connection, it is wrapped in the stainless steel tube blank surface and is placed into and carries out extrusion modling in the threeway mould, can prevent effectively that defective from appearring in the three-way connection surface of moulding, has improved the crudy of three-way connection significantly.
Each concrete technical characterictic described in the above-mentioned specific embodiment can make up arbitrarily by any suitable manner, and it falls within the scope disclosed in this invention equally.Simultaneously, also can make up arbitrarily between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.In addition; the present invention is not limited to the detail in the above-mentioned embodiment, in technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention; these simple variant all belong to protection scope of the present invention, and protection scope of the present invention is defined by the claims.
Claims (3)
1. stainless steel three-way connection extrusion process comprises the steps:
1) preparation is used to make the stainless steel tube blank (1) of stainless steel three-way connection;
2) by threeway hydraulic extrusion press, threeway mould and supporting pipe internal-filling liquid system, described stainless steel tube blank (1) is carried out extrusion modling, to obtain the three-way connection semi-finished product;
3) described three-way connection semi-finished product are carried out solution treatment, surface grinding and groove processing;
It is characterized in that, in described step 1), at described stainless steel tube blank (1) surface parcel one deck plastic foil (9); In described step 2) in, the emulsion of the topping up medium in the described pipe internal-filling liquid system for forming by oil emulsion and water modulation.
2. stainless steel three-way connection extrusion process according to claim 1 is characterized in that, in step 2) in comprise following technical process successively: matched moulds, pre-extruding, pipe internal-filling liquid, push and move back mould.
3. stainless steel three-way connection extrusion process according to claim 1 is characterized in that, in step 2) in, the allocation ratio of oil emulsion and water is volume ratio 1:10-1:50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101457970A CN102240700A (en) | 2011-06-01 | 2011-06-01 | Method for extruding and forming stainless steel three-way joint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101457970A CN102240700A (en) | 2011-06-01 | 2011-06-01 | Method for extruding and forming stainless steel three-way joint |
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| CN102240700A true CN102240700A (en) | 2011-11-16 |
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| CN2011101457970A Pending CN102240700A (en) | 2011-06-01 | 2011-06-01 | Method for extruding and forming stainless steel three-way joint |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331329A (en) * | 2013-07-17 | 2013-10-02 | 佛山市顺德区科鸿电器有限公司 | Powder medium and technology for forming three-way pipe |
| CN104084469A (en) * | 2014-06-25 | 2014-10-08 | 温州蓝天管件阀门有限公司 | Tee pipe hydraulic molding device |
| CN105081005A (en) * | 2014-05-21 | 2015-11-25 | 河北宇鹏重工管道装备制造有限公司 | Manufacturing process of X80 steel grade type DN1400 thick-wall tee |
| CN106140979A (en) * | 2016-08-19 | 2016-11-23 | 江阴市福瑞得铜业有限公司 | A kind of single thimble mould for processing copper pipe |
| CN110976608A (en) * | 2019-12-02 | 2020-04-10 | 隆昌山川精密焊管有限责任公司 | Pipe beam internal high-pressure forming method |
| CN111589895A (en) * | 2020-05-13 | 2020-08-28 | 佛山市南海和信福莱克思金属制品有限公司 | Production equipment of pipe joint with double convex rings |
| CN113028116A (en) * | 2021-03-29 | 2021-06-25 | 陈崇南 | Blank body of circular cavity valve body-containing valve cover suitable for multi-valve valves and machining method |
| CN113028114A (en) * | 2021-04-15 | 2021-06-25 | 陈崇南 | Blank body suitable for flat oval cavity of multi-valve type valve and containing valve body and valve cover and forming method |
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| CN1056830A (en) * | 1990-05-29 | 1991-12-11 | 沈阳锻压设备厂 | A kind of manufacture method of cold extruding seamless three-way pipe |
| CN1669692A (en) * | 2005-04-04 | 2005-09-21 | 王文辉 | Method for manufacturing plastic forming thin wall three-way pipe with threaded couplings |
| CN101168178A (en) * | 2007-11-13 | 2008-04-30 | 浙江海亮股份有限公司 | Triplet copper pipe joint fully-automatic forming machine |
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| CN101972791A (en) * | 2010-10-18 | 2011-02-16 | 宁波市华涛不锈钢管材有限公司 | Thin-wall stainless steel tee tube cold pressing molding device and molding method thereof |
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2011
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| CN1056830A (en) * | 1990-05-29 | 1991-12-11 | 沈阳锻压设备厂 | A kind of manufacture method of cold extruding seamless three-way pipe |
| CN1669692A (en) * | 2005-04-04 | 2005-09-21 | 王文辉 | Method for manufacturing plastic forming thin wall three-way pipe with threaded couplings |
| CN101168178A (en) * | 2007-11-13 | 2008-04-30 | 浙江海亮股份有限公司 | Triplet copper pipe joint fully-automatic forming machine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331329A (en) * | 2013-07-17 | 2013-10-02 | 佛山市顺德区科鸿电器有限公司 | Powder medium and technology for forming three-way pipe |
| CN105081005A (en) * | 2014-05-21 | 2015-11-25 | 河北宇鹏重工管道装备制造有限公司 | Manufacturing process of X80 steel grade type DN1400 thick-wall tee |
| CN105081005B (en) * | 2014-05-21 | 2017-03-01 | 河北宇鹏重工管道装备制造有限公司 | The manufacturing process of X80 steel-grade DN1400 heavy wall threeway |
| CN104084469A (en) * | 2014-06-25 | 2014-10-08 | 温州蓝天管件阀门有限公司 | Tee pipe hydraulic molding device |
| CN104084469B (en) * | 2014-06-25 | 2016-02-03 | 温州蓝天管件阀门有限公司 | A kind of three-way pipe hydraulic forming device |
| CN106140979A (en) * | 2016-08-19 | 2016-11-23 | 江阴市福瑞得铜业有限公司 | A kind of single thimble mould for processing copper pipe |
| CN110976608A (en) * | 2019-12-02 | 2020-04-10 | 隆昌山川精密焊管有限责任公司 | Pipe beam internal high-pressure forming method |
| CN111589895A (en) * | 2020-05-13 | 2020-08-28 | 佛山市南海和信福莱克思金属制品有限公司 | Production equipment of pipe joint with double convex rings |
| CN113028116A (en) * | 2021-03-29 | 2021-06-25 | 陈崇南 | Blank body of circular cavity valve body-containing valve cover suitable for multi-valve valves and machining method |
| CN113028114A (en) * | 2021-04-15 | 2021-06-25 | 陈崇南 | Blank body suitable for flat oval cavity of multi-valve type valve and containing valve body and valve cover and forming method |
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Application publication date: 20111116 |