CN102319758A - Stainless steel pipe fitting extrusion forming method - Google Patents
Stainless steel pipe fitting extrusion forming method Download PDFInfo
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- CN102319758A CN102319758A CN201110145732A CN201110145732A CN102319758A CN 102319758 A CN102319758 A CN 102319758A CN 201110145732 A CN201110145732 A CN 201110145732A CN 201110145732 A CN201110145732 A CN 201110145732A CN 102319758 A CN102319758 A CN 102319758A
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- stainless steel
- steel pipe
- pipe fitting
- extrusion
- extrusion forming
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Abstract
The invention relates to a stainless steel pipe fitting extrusion forming method, which sequentially comprises the following steps of: firstly, cleaning the surface of a stainless steel pipe blank (2); secondly, covering a layer of plastic film (3) on the surface of the stainless steel pipe blank (2); and thirdly, extruding and forming the stainless steel pipe blank (2) through an extrusion hydraulic machine and an extrusion forming mold. The pollution prevention requirement in the stainless steel pipe fitting extrusion forming process is met through the stainless steel pipe fitting extrusion forming method, the stainless steel pipe fitting extruded and formed through the protection of the method has a smooth surface and no mechanical damage or scratch, the environment is not polluted, and no harm is caused on the bodies of operators. The protection method in the stainless steel pipe fitting extrusion forming process is simple, the plastic film covered on the surface of the extrusion forming pipe fitting can be easily peeled off, the cleaning is not needed, and the stainless steel pipe fitting and the environment cannot be polluted.
Description
Technical field
The present invention relates to a kind of stainless steel pipe manufacturing approach, particularly, relate to a kind of stainless steel pipe extrusion process.
Background technology
At present; The stainless steel metal pipe fitting; For example in the extrusion modling process of pipe fittings such as elbow, threeway, four-way, reducer pipe; Because stainless steel tube blank and the extrusion friction of extruding between the grinding tool, usually make the defective that the surperficial generation of stainless steel pipe of moulding can't be eliminated, seriously influenced the quality of stainless steel pipe.
For preventing the direct contact friction of stainless steel tube blank and mold cavity, cause the stainless steel pipe of extrusion modling to produce surface tear and carburizing that prior art mainly is employed in tube surface and carries out coating protection.The coating protection material is that chlorinated rubber adds xylenes, and these materials are paint ingredients, must soak with paint stripper after the extrusion modling and remove face coat.Chlorinated rubber, xylenes, paint stripper contain formaldehyde, benzene, chlorion and halogen etc., and formaldehyde and benzene are prone to pollute production environment, and chlorion and halogen are prone to stainless steel material is produced pollution.
How can prevent that stainless steel pipe from producing surface tear and carburizing in the extrusion modling process, can guarantee that again stainless steel pipe can not polluted, wherein key is the safeguard procedures of in stainless steel pipe extrusion modling process, taking.But because the stainless steel blank need carry out crimp in extrusion die, this makes and is difficult to take effective safeguard procedures to address the above problem that it has been technical barrier that is difficult to overcome of those skilled in the art.
In view of this, the means of defence in must a kind of new stainless steel metal pipe fitting extrusion modling process of exploitation.
Summary of the invention
The purpose of this invention is to provide a kind of stainless steel pipe extrusion process; To overcome the above-mentioned defective of prior art; This stainless steel pipe extrusion process not only can prevent to produce surface tear and carburizing in the stainless steel pipe extrusion modling process effectively, and can avoid the stainless steel pipe of moulding to be polluted.
Above-mentioned purpose realizes through following technical scheme: the stainless steel pipe extrusion process wherein, in turn includes the following steps: the first, the stainless steel tube blank surface is cleaned; The second, at said stainless steel tube blank surface parcel one deck plastic foil (3); The 3rd, through hydraulic extrusion press and extrusion molding dies with the extrusion modling of said stainless steel tube blank.
Through technique scheme of the present invention; Stainless steel pipe extrusion process of the present invention has satisfied the anti-pollution requirement in the stainless steel pipe extrusion modling process; After the present invention protects the stainless steel pipe smooth surface of extrusion modling, have no mechanical damage and scratch; Health free from environmental pollution, as not encroach on the operative employee.Means of defence in the stainless steel pipe extrusion modling process of the present invention is simple, and the plastic foil of the pipe fitting surface parcel of extrusion modling is prone to peel off, and need not to clean, and can not pollute stainless steel pipe and environment.
Description of drawings
Fig. 1 is the squeezed state sketch map of the stainless steel pipe extrusion process of the specific embodiment of the invention, and wherein the extrusion modling process with stainless steel bend is that example shows.
Fig. 2 is the schematic perspective view that is enclosed with the stainless steel tube blank of plastics mould.
Among the figure: 1 elbow extrusion die; 2 stainless steel tube blanks; 3 plastic foils; 4 pressure-rams; 5 elbows extruding core.
The specific embodiment
The specific embodiment of stainless steel pipe extrusion process of the present invention is described below in conjunction with accompanying drawing.
At first need to prove; Extrusion forming process and prior art that stainless steel pipe extrusion process of the present invention is adopted are similar basically; This knows to those skilled in the art; Therefore the extrusion process of knowing to those skilled in the art in the following description only simply relates to, and these processes well known and modification thereof all belong to protection scope of the present invention.Major technique design essence of the present invention is the uniqueness improvement of safeguard procedures in the stainless steel pipe extrusion modling process.
The stainless steel pipe extrusion process of basic technical scheme of the present invention comprises the steps: first; The stainless steel tube blank surface is cleaned; Specifically can the stainless steel tube blank that cut by the process requirement be carried out clean with cleaning agent, remove tube surface greasy dirt and foreign material; The second, at stainless steel tube blank surface parcel one deck plastic foil; The 3rd; Through hydraulic extrusion press and the extrusion modling of extrusion molding dies processing stainless steel pipe material; Specifically be that the stainless steel tube blank that has wrapped up plastic foil is put into extrusion molding dies, and accomplish the extrusion modling process of stainless steel pipe according to the operation of metal tube hydraulic extrusion press operational procedure.
It is emphasized that at this stainless steel pipe extrusion process of the present invention goes for the extrusion forming process of various pipe fittings, for example stainless steel bend, threeway, four-way, reducer pipe etc.Following with reference to Fig. 1, being that example is concrete with the extrusion forming process of stainless steel bend sets forth stainless steel pipe extrusion process of the present invention.
In Fig. 1: reference marker 1 is the elbow extrusion die, and 2 is the stainless steel tube blank, 3 plastic foils, and 4 is the pressure-ram of elbow hydraulic extrusion press, 5 are elbow extruding core.
At first, stainless steel tube blank 2 is cleaned: will carry out clean by the stainless steel tube blank surface of process requirement cutting with cleaning agent, and remove tube surface greasy dirt and foreign material, burr etc.;
Secondly, stainless steel tube blank 2 is protected: stainless steel tube blank 2 surface parcel one deck plastic foil 3 (as shown in Figure 2);
The 3rd, extruding: the stainless steel tube blank 2 that will wrap up plastic foil 3 is put into elbow extrusion die 1, and accomplishes the extrusion modling process of elbow according to the operation of elbow hydraulic extrusion press operational procedure.
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 stainless steel pipe; It is wrapped in the stainless steel tube blank surface and is placed into and carries out extrusion modling in the extrusion die, can prevent effectively that defective from appearring in the stainless steel pipe surface of moulding, has improved the crudy of stainless steel pipe significantly.Therefore, the present invention has satisfied the anti-pollution requirement in the stainless steel pipe extrusion modling process, after the present invention protects the stainless steel pipe smooth surface of extrusion modling, have no mechanical damage and scratch, free from environmental pollution, the health of not encroaching on the operative employee.Means of defence in the stainless steel pipe extrusion modling process of the present invention is simple, and the plastic foil of the pipe fitting surface parcel of extrusion modling is prone to peel off, and need not to clean, and can not pollute stainless steel pipe and environment.
Each concrete technical characterictic described in the above-mentioned specific embodiment can carry out combination in any through any suitable manner, and it falls within the disclosed scope of the present invention equally.Simultaneously, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present 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, and these simple variant all belong to protection scope of the present invention.Protection scope of the present invention is defined by the claims.
Claims (1)
1. stainless steel pipe extrusion process wherein, in turn includes the following steps: the first, stainless steel tube blank (2) surface is cleaned; The second, parcel one deck plastic foil (3) on said stainless steel tube blank (2) surface; The 3rd, through hydraulic extrusion press and extrusion molding dies with said stainless steel tube blank (2) extrusion modling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110145732A CN102319758A (en) | 2011-06-01 | 2011-06-01 | Stainless steel pipe fitting extrusion forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110145732A CN102319758A (en) | 2011-06-01 | 2011-06-01 | Stainless steel pipe fitting extrusion forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102319758A true CN102319758A (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110145732A Pending CN102319758A (en) | 2011-06-01 | 2011-06-01 | Stainless steel pipe fitting extrusion forming method |
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| CN (1) | CN102319758A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658225A (en) * | 2014-01-03 | 2014-03-26 | 西安优耐特容器制造有限公司 | Cold forming process for non-ferrous metal seam elbow |
| CN104998981A (en) * | 2015-08-13 | 2015-10-28 | 宁夏德信恒通管业有限公司 | Reducer forming protective method |
| CN111644483A (en) * | 2020-04-29 | 2020-09-11 | 浙江正同管业有限公司 | Forming method of stainless steel pipe |
| CN112518240A (en) * | 2020-11-19 | 2021-03-19 | 湖南三泰新材料股份有限公司 | Production method of stainless steel composite billet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2011
- 2011-06-01 CN CN201110145732A patent/CN102319758A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658225A (en) * | 2014-01-03 | 2014-03-26 | 西安优耐特容器制造有限公司 | Cold forming process for non-ferrous metal seam elbow |
| CN103658225B (en) * | 2014-01-03 | 2016-04-06 | 西安优耐特容器制造有限公司 | A kind of non-ferrous metal has seam elbow cooling formation technic |
| CN104998981A (en) * | 2015-08-13 | 2015-10-28 | 宁夏德信恒通管业有限公司 | Reducer forming protective method |
| CN111644483A (en) * | 2020-04-29 | 2020-09-11 | 浙江正同管业有限公司 | Forming method of stainless steel pipe |
| CN112518240A (en) * | 2020-11-19 | 2021-03-19 | 湖南三泰新材料股份有限公司 | Production method of stainless steel composite billet |
| CN112518240B (en) * | 2020-11-19 | 2022-04-15 | 湖南三泰新材料股份有限公司 | Production method of stainless steel composite billet |
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Application publication date: 20120118 |