CN108406315A - A kind of gasoline high pressure oil rail forging system and technique - Google Patents
A kind of gasoline high pressure oil rail forging system and technique Download PDFInfo
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- CN108406315A CN108406315A CN201810392422.6A CN201810392422A CN108406315A CN 108406315 A CN108406315 A CN 108406315A CN 201810392422 A CN201810392422 A CN 201810392422A CN 108406315 A CN108406315 A CN 108406315A
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- high pressure
- pressure oil
- oil rail
- gasoline high
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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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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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
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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
- 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
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Forging (AREA)
Abstract
The present invention relates to a kind of gasoline high pressure oil rail forging system and techniques, the system includes the cutting machine set gradually, heating furnace, forging mold, Trimming Die, cooling unit, shot-blasting machine and solid solution unit, by transmitting band connection between the cutting machine and heating furnace, described device is equipped with mechanical claw, mechanical claw setting is in heating furnace, forging mold, Trimming Die, cooling unit are with, shot-blasting machine and solid solution unit between adjacent two equipment, for workpiece to be processed to be transported to next equipment from a upper equipment.Compared with prior art, the present invention uses air-cooled cooling, than water cooling yield higher, more economical；Meanwhile increasing solution treatment, internal stress is eliminated, the machine additivity energy of product is improved；By penetrant inspection, product surface crack defect effectively can be quickly identified.
Description
Technical field
The present invention relates to technical field of automobile engine, and in particular to a kind of gasoline high pressure oil rail forging system and technique.
Background technology
Currently, petrol engine stainless steel high pressure oil rail is formed using parts assembly welding, as country is to vapour
The requirement of vehicle discharge is gradually increased, and major automobile vendor is wanted by reducing discharge capacity and improving engine operating pressure to meet discharge
It asks.With the raising of engine operating pressure, the oily rail of assembly welding form is reliable under operating pressure 250bar case above
Property, endurance can substantially reduce, and threat can be brought to user.So oily rail majority of the operating pressure in 250bar or more uses
The form that solid forging machine adds.Oily rail forging quotient most at present continue to use diesel oil oil rail forging technology, i.e., are forged and produced with carbon steel
Product, but the technique causes product durability, machine additivity that can decline.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of easy to process, costs
Low gasoline high pressure oil rail forging system and technique.
The purpose of the present invention can be achieved through the following technical solutions：A kind of gasoline high pressure oil rail forging system, this is
System includes the cutting machine set gradually, heating furnace, forging mold, Trimming Die, cooling unit, shot-blasting machine and is dissolved unit,
By transmitting band connection between the cutting machine and heating furnace, the system is equipped with mechanical claw, and the mechanical claw setting exists
Heating furnace, forging mold, Trimming Die, cooling unit are between adjacent two equipment in, shot-blasting machine and solid solution unit, to be used for
Workpiece to be processed is transported to next equipment from a upper equipment.
For the cutting machine for circular saw or with saw, the cutting machine is equipped with the conveyer belt for transporting raw material workpiece,
The cutting machine be equipped with for determine the raw material location of workpiece and control conveyer belt opening and closing grating inductor.Grating inductor phase
To being fixed at the both sides of conveyer belt, when work, raw material workpiece is placed on conveyer belt, conveyer belt drive raw material workpiece to
Preceding movement, when the tip motions of raw material workpiece with two gratings to flushing, then grating sends out signal stopping conveyer belt, then disk
Saw or with saw cut raw material workpiece so that the Workpiece length of each well cutting is consistent.Preferably, in order to ensure to cut
Fixing device can be fixedly installed in conveyer belt both sides so that raw material workpiece will not be moved in cutting in stabilization during cutting
It is dynamic.
The cooling unit is air-cooled cooler.
The solid solution unit is continuous tunnel furnace.
The system further includes the flaw detection unit and cleaning unit being once arranged, and the flaw detection unit setting is single in solid solution
The rear portion of member.
The flaw detection unit is fluorescent fault detector.
A kind of gasoline high pressure oil rail forging technology carried out using system as described above, is included the following steps：By raw material work
Part is cut into setting length by cutting machine, is then delivered in heating furnace and heats embryo processed, is then delivered in forging mold and forges
Then molding cuts off overlap by Trimming Die, is then cooled down by cooling unit, surface throwing is carried out by shot-blasting machine
Light carries out solution treatment finally by solid solution unit, obtains gasoline high pressure oil rail.
The material that the raw material workpiece uses is stainless steel.This technique is using stainless steel as raw material, heating embryo processed, forging
It makes, can be obtained the shape of product after trimming, using air-cooled quickenings cooling, simultaneously as the sensitizing temperature 480 of stainless steel
~820 DEG C, increases solution treatment and the grain size of stainless steel is controlled at 6 grades or more.Without being magnetic after stainless steel solid solution, adopt
Fluorescent penetrant inspection method, detection surface quality is taken to obtain finished product if qualified.
The temperature of the heating embryo processed is 1200~1500 DEG C.
The temperature that the solution treatment uses is 1050~1120 DEG C.
Compared with prior art, beneficial effects of the present invention are embodied in following several respects：
One, using air-cooled cooling, than water cooling yield higher, more economical；
Two, increase solution treatment, eliminate internal stress, improve the machine additivity energy of product；
Three, penetrant inspection effectively can quickly identify product surface crack defect.
Description of the drawings
Fig. 1 is the structural schematic diagram of this system；
Fig. 2 is the structural schematic diagram of cutting machine in this system.
Wherein, 1 is cutting machine, and 11 be circular saw, and 12 be grating inductor, and 13 be conveyer belt, and 14 be raw material workpiece, and 2 are
Heating furnace, 3 be forging mold, and 4 be Trimming Die, and 5 be Air cooler, and 6 be shot-blasting machine, and 7 be continuous tunnel furnace, and 8 be fluorescent fault detector, 9
For ultrasonic washing instrument.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
A kind of gasoline high pressure oil rail forging system, the system structure is as shown in Figure 1, including the cutting machine 1 set gradually, adding
Hot stove 2, forging mold 3, Trimming Die 4, Air cooler 5, shot-blasting machine 6, continuous tunnel furnace 7, fluorescent fault detector 8 and ultrasonic washing instrument
9, wherein by transmitting band connection between cutting machine 1 and heating furnace 2, device is additionally provided with mechanical claw, and mechanical claw setting is adding
Hot stove, forging mold, Trimming Die, cooling unit are between adjacent two equipment in, shot-blasting machine and solid solution unit, for will
Workpiece to be processed is transported to next equipment from a upper equipment.
The structure of cutting machine is as shown in Fig. 2, include circular saw 11, conveyer belt 13 and grating inductor 12.Grating incudes
Device 12, which is relatively fixed, to be arranged at the both sides of conveyer belt 13, work, raw material workpiece 14 is placed on conveyer belt 13, conveyer belt 13
Raw material workpiece 14 is driven to move forward, when the tip motions of raw material workpiece 14 with two grating inductors 12 to flushing, then grating
Inductor 12 sends out signal and stops conveyer belt 13, and then circular saw 11 cuts downwards raw material workpiece 14, so that each is cut
The Workpiece length cut is consistent.Simultaneously in order to ensure the stabilization in cutting process, can be fixedly installed in 13 both sides of conveyer belt
Fixing device so that raw material workpiece 14 will not be moved in cutting.
When being forged using above system, include the following steps：
(1) ingredient inspection：Inspection project include macrostructure detection, nonmetal inclusion analyte detection, chemical composition detection,
In, macrostructure detection includes General Loosen≤2 grade of raw material workpiece, center porosity≤2 grade, ingot shape deviation≤2 grade；It is nonmetallic
Be mingled with analyte detection include it is sulfide-based≤1.5 grades, alumina type≤1.5 grade.Silicates≤1.5 grade.Spherical epoxides≤
1.5 grades, individual particle sphere≤1.5 grade；Chemical composition detection includes carbon ＜ 0.08, and silicon is less than 1.00, and manganese ＜ 2.00, cadmium exists
18.0~20.0, nickel 8.0~11.0, phosphorus≤0.045, sulphur≤0.03.
(2) it cuts：Bar-like raw material workpiece is subjected to blanking by full-length；
(3) embryo processed is heated：By workpiece heat to 1200 DEG C；
(4) blocking/finish forge：Forge shape of product；
(5) trimming：Cut off overlap；
(6) air-cooled；
(7) ball blast：Remove surface casting skin；
(8) solution treatment：
(9) penetrant inspection is carried out by fluorescent penetrant；
(10) final inspection：Inspection project include tensile strength whether ＞ 520MPa, yield strength whether ＞ 205MPa, hardness HB
Whether between 120~180.Material structure is not allow for intergranular corrosion cracks, single phase austenite≤2 grade, grain size >=4.0
Grade, ferritic phase≤2 grade, the defects of being not allow for sinuous flow, reflux, flow.
(11) ultrasonic cleaning；
(12) it packs.
Claims (10)
1. a kind of gasoline high pressure oil rail forges system, which is characterized in that the system include the cutting machine set gradually, heating furnace,
Forging mold, Trimming Die, cooling unit, shot-blasting machine and solid solution unit, pass through transmission between the cutting machine and heating furnace
Band connection, the system are equipped with mechanical claw, and the mechanical claw setting is in heating furnace, forging mold, Trimming Die, cooling list
It is next for workpiece to be processed to be transported to from a upper equipment in member, shot-blasting machine and solid solution unit between adjacent two equipment
Equipment.
2. a kind of gasoline high pressure oil rail according to claim 1 forges system, which is characterized in that the cutting machine is circle
Disk is sawed or with saw, and the cutting machine is equipped with the conveyer belt for transporting raw material workpiece, and the cutting machine is equipped with for determining
The raw material location of workpiece and the grating inductor for controlling conveyer belt opening and closing.
3. a kind of gasoline high pressure oil rail according to claim 1 forges system, which is characterized in that the cooling unit is
Air-cooled cooler.
4. a kind of gasoline high pressure oil rail according to claim 1 forges system, which is characterized in that the solid solution unit is
Continuous tunnel furnace.
5. a kind of gasoline high pressure oil rail according to claim 1 forges system, which is characterized in that the system further includes
The flaw detection unit and cleaning unit set gradually, the flaw detection unit are arranged at the rear portion of solid solution unit.
6. a kind of gasoline high pressure oil rail according to claim 5 forges system, which is characterized in that the flaw detection unit is
Fluorescent fault detector.
7. a kind of gasoline high pressure oil rail forging technology carried out using the system as described in claim 1~6 is any, feature are existed
In including the following steps：Raw material workpiece is cut into setting length by cutting machine, is then delivered in heating furnace and heats embryo processed,
It is then delivered to forging molding in forging mold, overlap is then cut off by Trimming Die, is then carried out by cooling unit cold
But, surface polishing is carried out by shot-blasting machine, carries out solution treatment finally by solid solution unit, obtains gasoline high pressure oil rail.
8. a kind of gasoline high pressure oil rail forging technology according to claim 6, which is characterized in that the raw material workpiece uses
Material be stainless steel.
9. a kind of gasoline high pressure oil rail forging technology according to claim 6, which is characterized in that the temperature of the heating embryo processed
Degree is 1200~1500 DEG C.
10. a kind of gasoline high pressure oil rail forging technology according to claim 6, which is characterized in that the solution treatment is adopted
Temperature is 1050~1120 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392422.6A CN108406315A (en) | 2018-04-27 | 2018-04-27 | A kind of gasoline high pressure oil rail forging system and technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392422.6A CN108406315A (en) | 2018-04-27 | 2018-04-27 | A kind of gasoline high pressure oil rail forging system and technique |
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| CN108406315A true CN108406315A (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810392422.6A Pending CN108406315A (en) | 2018-04-27 | 2018-04-27 | A kind of gasoline high pressure oil rail forging system and technique |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109280759A (en) * | 2018-11-20 | 2019-01-29 | 江苏龙城精锻有限公司 | A kind of manufacturing method of integral fine crystal austenitic stainless steel hot forging |
| CN109648347A (en) * | 2019-01-07 | 2019-04-19 | 上海威克迈龙川汽车发动机零件有限公司 | A kind of integrally formed system of high pressure oil rail and technique |
| CN112517824A (en) * | 2020-11-18 | 2021-03-19 | 浙江瑞朗锻造有限公司 | Environment-friendly full-automatic steel forming and forging production line has |
| CN113199212A (en) * | 2021-04-29 | 2021-08-03 | 上海众源燃油分配器制造有限公司 | Forging process for stainless steel gasoline 350bar high-pressure oil rail |
| CN113231585A (en) * | 2021-04-29 | 2021-08-10 | 上海众源燃油分配器制造有限公司 | 500bar high-pressure oil rail forging process for stainless steel gasoline |
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| JPH07136731A (en) * | 1993-06-17 | 1995-05-30 | Ondo Kosakusho:Kk | Hot forging device |
| KR20040002022A (en) * | 2002-06-29 | 2004-01-07 | 현대자동차주식회사 | Heat treatment method of forging separate connecting rod |
| CN102554570A (en) * | 2011-12-31 | 2012-07-11 | 上海加宁新技术研究所 | Manufacturing method for non-magnetic stainless steel adapter lug |
| CN106048421A (en) * | 2016-07-18 | 2016-10-26 | 宝鸡石油钢管有限责任公司 | 110ksi-grade stainless steel oil pipe and manufacture method thereof |
| CN106695249A (en) * | 2015-08-13 | 2017-05-24 | 江苏龙城精锻有限公司 | Forging forming process for high-pressure common-rail tube |
| CN107299295A (en) * | 2017-06-08 | 2017-10-27 | 上海威克迈龙川汽车发动机零件有限公司 | The moulding process of the oily rail of super-pressure stainless steel forging and stamping |
| CN107338397A (en) * | 2017-07-19 | 2017-11-10 | 浙江义腾特种钢管有限公司 | A kind of direct fuel injection machine high pressure oil rail gapless stainless steel tube production technology |
| CN208304362U (en) * | 2018-04-27 | 2019-01-01 | 上海众源燃油分配器制造有限公司 | A kind of gasoline high pressure oil rail forging system |
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2018
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07136731A (en) * | 1993-06-17 | 1995-05-30 | Ondo Kosakusho:Kk | Hot forging device |
| KR20040002022A (en) * | 2002-06-29 | 2004-01-07 | 현대자동차주식회사 | Heat treatment method of forging separate connecting rod |
| CN102554570A (en) * | 2011-12-31 | 2012-07-11 | 上海加宁新技术研究所 | Manufacturing method for non-magnetic stainless steel adapter lug |
| CN106695249A (en) * | 2015-08-13 | 2017-05-24 | 江苏龙城精锻有限公司 | Forging forming process for high-pressure common-rail tube |
| CN106048421A (en) * | 2016-07-18 | 2016-10-26 | 宝鸡石油钢管有限责任公司 | 110ksi-grade stainless steel oil pipe and manufacture method thereof |
| CN107299295A (en) * | 2017-06-08 | 2017-10-27 | 上海威克迈龙川汽车发动机零件有限公司 | The moulding process of the oily rail of super-pressure stainless steel forging and stamping |
| CN107338397A (en) * | 2017-07-19 | 2017-11-10 | 浙江义腾特种钢管有限公司 | A kind of direct fuel injection machine high pressure oil rail gapless stainless steel tube production technology |
| CN208304362U (en) * | 2018-04-27 | 2019-01-01 | 上海众源燃油分配器制造有限公司 | A kind of gasoline high pressure oil rail forging system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109280759A (en) * | 2018-11-20 | 2019-01-29 | 江苏龙城精锻有限公司 | A kind of manufacturing method of integral fine crystal austenitic stainless steel hot forging |
| CN109648347A (en) * | 2019-01-07 | 2019-04-19 | 上海威克迈龙川汽车发动机零件有限公司 | A kind of integrally formed system of high pressure oil rail and technique |
| CN112517824A (en) * | 2020-11-18 | 2021-03-19 | 浙江瑞朗锻造有限公司 | Environment-friendly full-automatic steel forming and forging production line has |
| CN113199212A (en) * | 2021-04-29 | 2021-08-03 | 上海众源燃油分配器制造有限公司 | Forging process for stainless steel gasoline 350bar high-pressure oil rail |
| CN113231585A (en) * | 2021-04-29 | 2021-08-10 | 上海众源燃油分配器制造有限公司 | 500bar high-pressure oil rail forging process for stainless steel gasoline |
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