CN110153660A - A kind of manufacture craft of eccentric joint - Google Patents
A kind of manufacture craft of eccentric joint Download PDFInfo
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- CN110153660A CN110153660A CN201910595939.XA CN201910595939A CN110153660A CN 110153660 A CN110153660 A CN 110153660A CN 201910595939 A CN201910595939 A CN 201910595939A CN 110153660 A CN110153660 A CN 110153660A
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- stainless steel
- processing
- manufacture craft
- austenitic stainless
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- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a kind of manufacture crafts of eccentric joint, are related to technical field of mechanical processing.The following steps are included: selection is handled: selecting the Austenitic stainless steel pipe with high tenacity and high-ductility；Blank processing: stainless steel section is formed by Austenitic stainless steel pipe using guillotine blank to specific length according to pre-manufactured product specification；Stainless steel section: being extruded the eccentricity of product standard by die mould processing by hydraulic press, forms head product；Solution treatment: head product being placed in heating furnace and is heated, is fully dissolved in carbide in austenitic stainless steel, is then made annealing treatment head product taking-up heating furnace, is cooled fast to 300-400 degrees Celsius, makes material softening, form semi-finished product；Water rises molding；Throw tooth processing；Quality inspection processing；Packing processes.Product uses Austenitic stainless steel pipe, and toughness and plasticity are high, and pass through solution treatment, is fully dissolved in carbide in austenitic stainless steel, carries out interior high pressure one-pass molding by high water pressure.
Description
Technical field
The present invention relates to technical field of mechanical processing, specially a kind of manufacture craft of eccentric joint.
Background technique
Water pipe head is for connection to a kind of component of water pipe, and water pipe head can be divided by usage mode: external screw thread termination
Formula water pipe head, bite type water pipe head, self-hard water pipe head, external screw thread termination formula water pipe head brass alloy material pressure
It casts, plating nickel on surface, frosted or chromium plating；Close structure, pore-free, intensity are high, and bite type water pipe head can will be non-threaded
Steel pipe is connect with hose, saves set wire process, need to only be screwed in screw；Close structure, intensity are high.Self-hard water pipe head
Non-threaded steel pipe or non-threaded equipment line outlet can be connect with hose, save set wire process；Using brass alloy material
Die casting forms, and surface is zinc-plated, frosted or chromium plating；Close structure, intensity are high, are widely used in top-grade building, hotel, hospital, big
Tall building, gymnasium, museum, institutional settings, villa, residential quarters, in terms of draining, when the drainpipe for needing to connect different bores
When, it is necessary to water pipe head is used, and in order to reduce entrance pipe pressure drop, and entrance pipe is bigger by one to two than discharge connection
When a grade, it is necessary to be connected with eccentric joint.And it is all using stainless steel casting cooperation that eccentric joint is most of at present
The production of silica gel technique, not only the production cycle is long, but also because synoptic climate influences, can have moisture in arenaceous shell production and not parch now
As causing product to pour out and have sand holes, shrinkage cavity, turn to be yellow, get rusty and the phenomenon that leak.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of manufacture craft of eccentric joint, have produce it is inclined
The advantages that heart joint quality good long service life, solve the problems, such as that current eccentric joint quality is bad.
(2) technical solution
To realize that the above-mentioned high-quality purpose with long service life of eccentric joint produced, the present invention provide following technical side
A kind of case: manufacture craft of eccentric joint, comprising the following steps:
S1, selection processing: the Austenitic stainless steel pipe with high tenacity and high-ductility is selected；
S2, blank processing: according to pre-manufactured product specification, Austenitic stainless steel pipe is used into guillotine blank to specific length
Degree forms stainless steel section；
S3, die mould processing: stainless steel section is extruded to the eccentricity of product standard by hydraulic press, forms head product；
S4, solution treatment: head product is placed in heating furnace and is heated, carbide is made to be fully dissolved in austenite stainless
In steel, then head product taking-up heating furnace is made annealing treatment, 300-400 degrees Celsius is cooled fast to, makes material softening,
Form semi-finished product；
S5, water rise molding: in the semi-finished product merging finishing die that annealing is bent, two sides are two in a manner of the water shutoff of end face
Side squeezes simultaneously, while the mode of interior high pressure carries out water and rises forming processes；
S6, it throws tooth processing: excircle polishing being carried out to semi-finished product after molding by machine extra bus and throws tooth processing, forms product
Finished parts to be checked；
S7, quality inspection processing: carrying out quality testing to finished parts to be checked, and defect ware is remake, and qualified product carries out baling vehicle
Between；
S8, packing processes: qualified finished parts are subjected to packing processes by baling press, complete process.
As a preferred technical solution of the present invention, in the S1, the aperture of Austenitic stainless steel pipe is 130-170 milli
Rice.
As a preferred technical solution of the present invention, in the S3, the eccentricity of product is 6.4-6.6 millimeters.
As a preferred technical solution of the present invention, in the S4, the temperature in heating furnace is heated to 1050-1150 and takes the photograph
Family name's degree, the cooling rate of annealing are 50-60 degree per second Celsius.
As a preferred technical solution of the present invention, in the S5, the pressure of interior high pressure is 19-21MPa.
As a preferred technical solution of the present invention, in the S6, first gone before carrying out excircle polishing processing
Burr processing.
As a preferred technical solution of the present invention, in the S7, quality testing carries out sample detection by processing batch,
Detection mode is explosion test.
As a preferred technical solution of the present invention, in the S8, sack drying is added in whens packing processes in packaging
Agent.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of manufacture craft of eccentric joint, have following the utility model has the advantages that producing
For product using Austenitic stainless steel pipe, toughness and plasticity are high, and pass through solution treatment, and carbide is made to be fully dissolved in Ovshinsky
In body stainless steel, increase its hardness, interior high pressure one-pass molding carried out by high water pressure, and pass through stringent quality test,
So that the long service life of product, security performance is high, is suitable for production and promotes and applies.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one:
A kind of manufacture craft of eccentric joint, comprising the following steps:
S1, selection processing: the Austenitic stainless steel pipe with high tenacity and high-ductility, the hole of Austenitic stainless steel pipe are selected
Diameter is 130 millimeters；
S2, blank processing: according to pre-manufactured product specification, Austenitic stainless steel pipe is used into guillotine blank to specific length
Degree forms stainless steel section；
S3, die mould processing: stainless steel section is extruded to the eccentricity of product standard by hydraulic press, the eccentricity of product is
6.4 millimeters, form head product；
S4, solution treatment: head product is placed in heating furnace and is heated, it is Celsius that the temperature in heating furnace is heated to 1050
Degree, is fully dissolved in carbide in austenitic stainless steel, then makes annealing treatment head product taking-up heating furnace, fast quickly cooling
But to 300 degrees Celsius, the cooling rate of annealing is 50 degree per seconds Celsius, makes material softening, forms semi-finished product；
S5, water rise molding: in the semi-finished product merging finishing die that annealing is bent, two sides are two in a manner of the water shutoff of end face
Side squeezes simultaneously, while the mode of interior high pressure carries out water and rises forming processes, and the pressure of interior high pressure is 19MPa；
S6, tooth processing is thrown: by machine extra bus to semi-finished product after molding progress excircle polishing and throwing tooth processing, outside carrying out
Deburring processing is first carried out before circle polishing treatment, forms the finished parts to be checked of product；
S7, quality inspection processing: carrying out quality testing to finished parts to be checked, and quality testing carries out sample detection by processing batch,
Detection mode is explosion test, and defect ware is remake, and qualified product carries out packing workshop；
S8, packing processes: carrying out packing processes by baling press for qualified finished parts, and whens packing processes adds in packaging
Enter bagged dryer, completes process.
Embodiment two:
A kind of manufacture craft of eccentric joint, comprising the following steps:
S1, selection processing: the Austenitic stainless steel pipe with high tenacity and high-ductility, the hole of Austenitic stainless steel pipe are selected
Diameter is 150 millimeters；
S2, blank processing: according to pre-manufactured product specification, Austenitic stainless steel pipe is used into guillotine blank to specific length
Degree forms stainless steel section；
S3, die mould processing: stainless steel section is extruded to the eccentricity of product standard by hydraulic press, the eccentricity of product is
6.5 millimeter forms head product；
S4, solution treatment: head product is placed in heating furnace and is heated, it is Celsius that the temperature in heating furnace is heated to 1100
Degree, is fully dissolved in carbide in austenitic stainless steel, then makes annealing treatment head product taking-up heating furnace, fast quickly cooling
But to 350 degrees Celsius, the cooling rate of annealing is 55 degree per seconds Celsius, makes material softening, forms semi-finished product；
S5, water rise molding: in the semi-finished product merging finishing die that annealing is bent, two sides are two in a manner of the water shutoff of end face
Side squeezes simultaneously, while the mode of interior high pressure carries out water and rises forming processes, and the pressure of interior high pressure is 20MPa；
S6, tooth processing is thrown: by machine extra bus to semi-finished product after molding progress excircle polishing and throwing tooth processing, outside carrying out
Deburring processing is first carried out before circle polishing treatment, forms the finished parts to be checked of product；
S7, quality inspection processing: carrying out quality testing to finished parts to be checked, and quality testing carries out sample detection by processing batch,
Detection mode is explosion test, and defect ware is remake, and qualified product carries out packing workshop；
S8, packing processes: carrying out packing processes by baling press for qualified finished parts, and whens packing processes adds in packaging
Enter bagged dryer, completes process.
Embodiment three:
A kind of manufacture craft of eccentric joint, comprising the following steps:
S1, selection processing: the Austenitic stainless steel pipe with high tenacity and high-ductility, the hole of Austenitic stainless steel pipe are selected
Diameter is 170 millimeters；
S2, blank processing: according to pre-manufactured product specification, Austenitic stainless steel pipe is used into guillotine blank to specific length
Degree forms stainless steel section；
S3, die mould processing: stainless steel section is extruded to the eccentricity of product standard by hydraulic press, the eccentricity of product is
6.6 millimeters, form head product；
S4, solution treatment: head product is placed in heating furnace and is heated, it is Celsius that the temperature in heating furnace is heated to 1150
Degree, is fully dissolved in carbide in austenitic stainless steel, then makes annealing treatment head product taking-up heating furnace, fast quickly cooling
But to 400 degrees Celsius, the cooling rate of annealing is 60 degree per seconds Celsius, makes material softening, forms semi-finished product；
S5, water rise molding: in the semi-finished product merging finishing die that annealing is bent, two sides are two in a manner of the water shutoff of end face
Side squeezes simultaneously, while the mode of interior high pressure carries out water and rises forming processes, and the pressure of interior high pressure is 21MPa；
S6, tooth processing is thrown: by machine extra bus to semi-finished product after molding progress excircle polishing and throwing tooth processing, outside carrying out
Deburring processing is first carried out before circle polishing treatment, forms the finished parts to be checked of product；
S7, quality inspection processing: carrying out quality testing to finished parts to be checked, and quality testing carries out sample detection by processing batch,
Detection mode is explosion test, and defect ware is remake, and qualified product carries out packing workshop；
S8, packing processes: carrying out packing processes by baling press for qualified finished parts, and whens packing processes adds in packaging
Enter bagged dryer, completes process.
The beneficial effects of the present invention are: product is using Austenitic stainless steel pipe, toughness and plasticity are high, and by solid
Molten processing, is fully dissolved in carbide in austenitic stainless steel, increases its hardness, and it is primary to carry out interior high pressure by high water pressure
Molding, and pass through stringent quality test, so that the long service life of product, security performance is high, suitable for producing and popularization is answered
With.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of manufacture craft of eccentric joint, which comprises the following steps:
S1, selection processing: the Austenitic stainless steel pipe with high tenacity and high-ductility is selected；
S2, blank processing: according to pre-manufactured product specification, by Austenitic stainless steel pipe using guillotine blank to specific length,
Form stainless steel section；
S3, die mould processing: stainless steel section is extruded to the eccentricity of product standard by hydraulic press, forms head product；
S4, solution treatment: head product is placed in heating furnace and is heated, carbide is made to be fully dissolved in austenitic stainless steel
It is interior, then head product taking-up heating furnace is made annealing treatment, 300-400 degrees Celsius is cooled fast to, makes material softening, formed
Semi-finished product；
S5, water rise molding: in the semi-finished product merging finishing die that annealing is bent, two sides two sides in a manner of the water shutoff of end face are same
When squeeze, while the mode of interior high pressure carries out water and rises forming processes；
S6, throw tooth processing: by machine extra bus to semi-finished product after molding carry out excircle polishing and throw tooth processing, formed product to
Examine finished parts；
S7, quality inspection processing: quality testing is carried out to finished parts to be checked, defect ware is remake, and qualified product carries out packing workshop；
S8, packing processes: qualified finished parts are subjected to packing processes by baling press, complete process.
2. a kind of manufacture craft of eccentric joint according to claim 1, which is characterized in that in the S1, austenite is not
The aperture of rust steel pipe is 130-170 millimeters.
3. a kind of manufacture craft of eccentric joint according to claim 1, which is characterized in that in the S3, product it is inclined
The heart is away from being 6.4-6.6 millimeters.
4. a kind of manufacture craft of eccentric joint according to claim 1, which is characterized in that in the S4, in heating furnace
Temperature be heated to 1050-1150 degrees Celsius, the cooling rate of annealing is 50-60 degree per second Celsius.
5. a kind of manufacture craft of eccentric joint according to claim 1, which is characterized in that in the S5, interior high pressure
Pressure is 19-21MPa.
6. a kind of manufacture craft of eccentric joint according to claim 1, which is characterized in that in the S6, outside carrying out
Deburring processing is first carried out before circle polishing treatment.
7. a kind of manufacture craft of eccentric joint according to claim 1, which is characterized in that in the S7, quality testing
Sample detection is carried out by processing batch, detection mode is explosion test.
8. a kind of manufacture craft of eccentric joint according to claim 1, which is characterized in that in the S8, packing processes
When bagged dryer is added in packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595939.XA CN110153660A (en) | 2019-07-03 | 2019-07-03 | A kind of manufacture craft of eccentric joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595939.XA CN110153660A (en) | 2019-07-03 | 2019-07-03 | A kind of manufacture craft of eccentric joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110153660A true CN110153660A (en) | 2019-08-23 |
Family
ID=67637907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910595939.XA Pending CN110153660A (en) | 2019-07-03 | 2019-07-03 | A kind of manufacture craft of eccentric joint |
Country Status (1)
| Country | Link |
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| CN (1) | CN110153660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098098A (en) * | 2020-01-03 | 2020-05-05 | 田开宜 | High-pressure internal core-pulling forming method for bent pin joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10175026A (en) * | 1996-12-17 | 1998-06-30 | Nippon Steel Corp | Hydroforming method of tube |
| CN101274342A (en) * | 2008-03-10 | 2008-10-01 | 西安交通大学 | Method for preparing hydraulic expansion of small-sized compressor eccentric shaft |
| JP2009142827A (en) * | 2007-12-11 | 2009-07-02 | Nippon Steel & Sumikin Stainless Steel Corp | Ferritic stainless steel welded tube having excellent expansion workability, and method for producing the same |
| CN103934307A (en) * | 2014-05-04 | 2014-07-23 | 南京航空航天大学 | Method for forming hollow part with local flattening structure |
| CN106312446A (en) * | 2015-06-29 | 2017-01-11 | 梁北洪 | Manufacturing method of S-shaped connector |
| CN106734496A (en) * | 2016-12-30 | 2017-05-31 | 宁波市江北保隆消声系统制造有限公司 | A kind of manufacture method of automobile three-way tailpipe |
-
2019
- 2019-07-03 CN CN201910595939.XA patent/CN110153660A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10175026A (en) * | 1996-12-17 | 1998-06-30 | Nippon Steel Corp | Hydroforming method of tube |
| JP2009142827A (en) * | 2007-12-11 | 2009-07-02 | Nippon Steel & Sumikin Stainless Steel Corp | Ferritic stainless steel welded tube having excellent expansion workability, and method for producing the same |
| CN101274342A (en) * | 2008-03-10 | 2008-10-01 | 西安交通大学 | Method for preparing hydraulic expansion of small-sized compressor eccentric shaft |
| CN103934307A (en) * | 2014-05-04 | 2014-07-23 | 南京航空航天大学 | Method for forming hollow part with local flattening structure |
| CN106312446A (en) * | 2015-06-29 | 2017-01-11 | 梁北洪 | Manufacturing method of S-shaped connector |
| CN106734496A (en) * | 2016-12-30 | 2017-05-31 | 宁波市江北保隆消声系统制造有限公司 | A kind of manufacture method of automobile three-way tailpipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098098A (en) * | 2020-01-03 | 2020-05-05 | 田开宜 | High-pressure internal core-pulling forming method for bent pin joint |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |
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| RJ01 | Rejection of invention patent application after publication |