CN106151716A - A kind of integration cast type flange and manufacturing process thereof - Google Patents
A kind of integration cast type flange and manufacturing process thereof Download PDFInfo
- Publication number
- CN106151716A CN106151716A CN201610558303.4A CN201610558303A CN106151716A CN 106151716 A CN106151716 A CN 106151716A CN 201610558303 A CN201610558303 A CN 201610558303A CN 106151716 A CN106151716 A CN 106151716A
- Authority
- CN
- China
- Prior art keywords
- end cone
- flange
- wax
- transition part
- ring flange
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/006—Attachments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of integration cast type flange, including ring flange, end cone and sensor nut；Described end cone bottom is provided with transition part, transition part and end cone are integral type structure, end cone is fixed on ring flange by transition part, the medial surface of transition part flushes with the medial surface of end cone, the lateral surface of transition part is circular arc, and the two ends up and down of the lateral surface of transition part smooth with end cone and ring flange respectively and dock；Being provided with sensor mounting hole in described end cone, sensor nut is fixed in sensor mounting hole；Described ring flange, end cone and sensor nut use integration casting to form.The invention also discloses the manufacturing process of described integration cast type flange.This strength of flange is high, and steadiness is good, improves the service life of product, good airproof performance when being connected with electromotor, and product is stable, and precision is high, is unlikely to deform, greatly reduces gas leakage risk, and its manufacturing process operation is few, and man-hour is short, and cost reduces, and economizes on resources.
Description
Technical field
The present invention relates to technical field of automobile parts, specifically a kind of integration cast type flange and manufacturing process thereof.
Background technology
Being provided with a flange for distribution in automobile engine, this flange is additionally operable to install sensor.Existing skill
In art, this flange is mainly made up of ring flange, end cone and sensor nut, in process of production, needs to first pass through forging raw
Output ring flange, goes out end cone by punching production, produces sensor nut by Vehicle Processing, the most again by ring flange, end cone
Being an entirety with sensor nut-welding, not only manufacturing process is various, length in man-hour, cost high, waste resource, and after welding
Flange sealing surface be easily deformed, flatness, more than 0.5, causes the sealing when being connected with electromotor bad, has gas leakage wind
, there is potential safety hazard in danger.
Summary of the invention
It is an object of the invention to provide a kind of integration cast type flange and manufacturing process thereof, to solve above-mentioned background skill
The problem proposed in art.
For achieving the above object, the present invention provides following technical scheme:
A kind of integration cast type flange, including ring flange, end cone and sensor nut；Described end cone bottom is provided with transition
Portion, transition part and end cone are integral type structure, and end cone is fixed on ring flange by transition part, the medial surface of transition part and end cone
Medial surface flush, the lateral surface of transition part is circular arc, and the two ends up and down of the lateral surface of transition part respectively with end cone and method
The smooth docking of blue dish；Being provided with sensor mounting hole in described end cone, sensor nut is fixed in sensor mounting hole；Described
Ring flange, end cone and sensor nut use integration casting to form.
As the further scheme of the present invention: described transition part upper end thickness is 2mm, and transition part lower end thickness is 2.5mm.
As the present invention further scheme: be additionally provided with feeding bar between described sensor nut and ring flange, mend
Contracting bar is fixed in end cone, and the upper end of feeding bar is fixedly attached to sensor nut, and the lower end of feeding bar is fixedly attached to flange
Dish.
The manufacturing process of described integration cast type flange, step is as follows:
1) wax is penetrated: carrying out penetrating wax at ambient temperature is 22-26 DEG C and obtain wax part, penetrate wax temperature and be 51-55 DEG C, pressure is 15-
25kg/cm2, penetrating the wax time is 40s, puts into setting tooling cooling after being taken out by wax part；
2) wax part checks: check the wax part after cooling, to check whether wax part exists fault of construction, if wax part exists knot
Structure defect, then return step 1), otherwise, carry out next step；
3) group number；
4) arenaceous shell processed: ambient temperature is 22-26 DEG C, be coated with successively outside wax part surface layer, one layer, two layers, three layers, four layers and five
Layer, finally carries out slurry seal, it is thus achieved that be contained within the arenaceous shell of wax part；
5) dewaxing: the arenaceous shell being contained within wax part is put into dewaxing kettle, dewaxing treatment more than eight minutes, it is thus achieved that empty arenaceous shell, dewaxing
The temperature in the kettle of still is 140-170 DEG C, and in still, pressure is 0.7-0.8Mpa；
6) casting: empty arenaceous shell is carried out calcination process, and sintering temperature is 1120-1140 DEG C, after calcination process, casting
The molten steel of 1660-1670 DEG C, cools down molding；
7) cleaning afterwards: sequentially pass through shake shell, hang throwings, cut, grind cast gate, to steep sand removal agent, sandblasting, blank initial survey, refine, throwing stainless
Shot, blank shaping, blank inspection eventually, it is thus achieved that blank；
8) machining: flange face and sensor nut to blank are machined out, it is thus achieved that finished product；
9) product inspection: outward appearance, position degree and the size of finished product is tested.
Compared with prior art, the invention has the beneficial effects as follows:
1, the flange that the present invention manufactures, is provided with transition part between its ring flange and end cone, it is possible to strengthen ring flange and end cone
Bonding strength, improves the steadiness of product；
2. the flange that the present invention manufactures, is provided with feeding bar between its sensor nut and ring flange, feeding bar on the one hand can
Strengthen the bonding strength of ring flange and end cone, on the other hand sensor nut can be played feeding effect, make sensor nut
It is difficult to that shrinkage porosite occurs with end cone junction, improves bonding strength, greatly reduce fracture probability, improve the use longevity of product
Life；
3, the manufacturing process of flange of the present invention, eliminates the operations such as forging, punching press, Vehicle Processing, integral solder, and manufacturing process subtracts
Less, man-hour shortens, cost reduces, and economizes on resources, owing to without welding, the flatness of flange sealing surface is below 0.2, it is ensured that
Sealing when being connected with electromotor, product is stable, and precision is high, is unlikely to deform, greatly reduces gas leakage risk.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of flange at automobile engine in prior art.
Fig. 2 is the structural representation of integration cast type flange of the present invention.
Fig. 3 is broken section structural representation at A in Fig. 2.
In figure: the former ring flange of 101-, 102-end cone right part, 103-end cone left part, 104-right semi-circle hole, 105-left semicircle
Hole, 106-original sensor nut, 1-ring flange, 2-end cone, 3-sensor nut, 4-feeding bar, 5-transition part.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is described in more detail.
Fig. 1 is the decomposing schematic representation of flange at automobile engine in prior art, by former ring flange 101, former end cone and former
Sensor nut 106 forms, and described former end cone is spliced by end cone right part 102 and end cone left part 103, end cone right part 102 with
By being welded and fixed between end cone left part 103, end cone right part 102 and end cone left part 103 symmetrical configuration, end cone right part 102 sets
It is equipped with right semi-circle hole 104, end cone left part 103 is provided with the left semicircle hole 105 matched with right semi-circle hole 104, right semi-circle hole
104 coordinate composition sensor mounting hole with left semicircle hole 105, and original sensor nut 106 is weldingly fixed in sensor mounting hole,
Former end cone welded and installed is on former ring flange 101.Flange at the automobile engine of this structure, not only manufacturing process is various, work
Duration, cost are high, waste resource, and the flange sealing surface after welding is easily deformed, flatness more than 0.5, cause with
When electromotor connects, sealing is bad, has gas leakage risk, there is potential safety hazard.
Referring to Fig. 2-3, a kind of integration cast type flange, including ring flange 1, end cone 2 and sensor nut 3；Described
End cone 2 bottom is provided with transition part 5, and transition part 5 and end cone 2 are integral type structure, and end cone 2 is fixed on flange by transition part 5
On dish 1, the medial surface of transition part 5 flushes with the medial surface of end cone 2, and the lateral surface of transition part 5 is circular arc, and transition part 5
The two ends up and down of lateral surface smooth dock, by arranging transition part 5 with end cones 2 and ring flange 1 respectively, it is possible to strengthen ring flange 1
With the bonding strength of end cone 2, the thickness of transition part 5 is without restriction, in the present embodiment, it is preferred that described transition part 5 upper end thickness
For 2mm, transition part 5 lower end thickness is 2.5mm；Being provided with sensor mounting hole in described end cone 2, sensor nut 3 is fixed on
In sensor mounting hole；Being additionally provided with feeding bar 4 between described sensor nut 3 and ring flange 1, feeding bar 4 is fixed on end cone 2
On, the upper end of feeding bar 4 is fixedly attached to sensor nut 3, and the lower end of feeding bar 4 is fixedly attached to ring flange 1, feeding bar 4
On the one hand the bonding strength of ring flange 1 and end cone 2 can be strengthened, on the other hand sensor nut 3 feeding effect can be played
(feeding makes up shrinkage porosite exactly, and shrinkage porosite is a kind of common casting flaw), without feeding bar 4, sensor nut 3 and end cone
2 junctions are easy for shrinkage porosite occur, make bonding strength reduce, and fracture even occur, cause product rejection time serious；Described flange
Dish 1, end cone 2 and sensor nut 3 use integration casting to form, and eliminate the works such as forging, punching press, Vehicle Processing, integral solder
Sequence, manufacturing process reduces, man-hour shortens, cost reduces, and economizes on resources, owing to without welding, the flatness of flange sealing surface exists
Less than 0.2, it is ensured that sealing when being connected with electromotor, product is stable, and precision is high, and (dimensional tolerance of cast article can
Within reaching soil 0.1mm), it is unlikely to deform, greatly reduces gas leakage risk.
The manufacturing process of described integration cast type flange, step is as follows:
1) wax is penetrated: carrying out penetrating wax at ambient temperature is 22-26 DEG C and obtain wax part, penetrate wax temperature and be 51-55 DEG C, pressure is 15-
25kg/cm2, penetrating the wax time is 40s, puts into setting tooling cooling after being taken out by wax part；
2) wax part checks: check, the wax part after cooling to check whether wax part exists fault of construction, it is desirable to wax part is without flying
Limit, bubble-free, without damaged, without defects such as fleshiness, if wax part exists fault of construction, then return step 1), otherwise, carry out next
Step；
3) group number: require seamless, drip without wax；
4) arenaceous shell processed: ambient temperature is 22-26 DEG C, be coated with successively outside wax part surface layer, one layer, two layers, three layers, four layers and five
Layer, finally carries out slurry seal, it is thus achieved that be contained within the arenaceous shell of wax part；
5) dewaxing: the arenaceous shell being contained within wax part is put into dewaxing kettle, dewaxing treatment more than eight minutes, it is thus achieved that empty arenaceous shell, dewaxing
The temperature in the kettle of still is 140-170 DEG C, and in still, pressure is 0.7-0.8Mpa；
6) casting: empty arenaceous shell is carried out calcination process, and sintering temperature is 1120-1140 DEG C, after calcination process, casting
The molten steel of 1660-1670 DEG C, cools down molding；
7) cleaning afterwards: sequentially pass through shake shell, hang throwings, cut, grind cast gate, to steep sand removal agent, sandblasting, blank initial survey, refine, throwing stainless
Shot, blank shaping, blank inspection eventually, it is thus achieved that blank；
8) machining: flange face and sensor nut to blank are machined out, it is thus achieved that finished product；
9) product inspection: outward appearance, position degree and the size of finished product is tested.
The flange that the present invention manufactures, is provided with transition part 5 between its ring flange 1 and end cone 2, it is possible to strengthen ring flange 1 with
The bonding strength of end cone 2, improves the steadiness of product；The flange that the present invention manufactures, between its sensor nut 3 and ring flange 1
Being provided with feeding bar 4, feeding bar 4 one aspect can strengthen the bonding strength of ring flange 1 and end cone 2, on the other hand can be to biography
Sensor nut 3 plays feeding effect, makes sensor nut 3 and end cone 2 junction be difficult to shrinkage porosite occur, improves bonding strength,
Greatly reduce fracture probability, improve the service life of product；The flange of manufacture of the present invention uses integration casting to form, and cancels
The operations such as forging, punching press, Vehicle Processing, integral solder, manufacturing process reduces, man-hour shortens, cost reduces, and economizes on resources, by
In without welding, the flatness of flange sealing surface is below 0.2, it is ensured that sealing when being connected with electromotor, and product is stable,
Precision is high, is unlikely to deform, greatly reduces gas leakage risk.
Above the better embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art is possessed, it is also possible on the premise of without departing from present inventive concept
Various changes can be made.
Claims (4)
1. an integrated cast type flange, it is characterised in that include ring flange (1), end cone (2) and sensor nut (3)；Institute
Stating end cone (2) bottom and be provided with transition part (5), transition part (5) and end cone (2) are integral type structure, and end cone (2) passes through transition part
(5) being fixed on ring flange (1), the medial surface of transition part (5) flushes with the medial surface of end cone (2), the lateral surface of transition part (5)
For circular arc, and the two ends up and down of the lateral surface of transition part (5) are smooth with end cone (2) and ring flange (1) respectively docks；Described end
Being provided with sensor mounting hole on cone (2), sensor nut (3) is fixed in sensor mounting hole；Described ring flange (1), end
Cone (2) and sensor nut (3) use integration casting to form.
Integration cast type flange the most according to claim 1, it is characterised in that described transition part (5) upper end thickness is
2mm, transition part (5) lower end thickness is 2.5mm.
Integration cast type flange the most according to claim 2, it is characterised in that described sensor nut (3) and flange
Being additionally provided with feeding bar (4) between dish (1), feeding bar (4) is fixed in end cone (2), and the upper end of feeding bar (4) is fixedly attached to
Sensor nut (3), the lower end of feeding bar (4) is fixedly attached to ring flange (1).
4. the manufacturing process of the integrated cast type flange as described in claim 1-3 is arbitrary, it is characterised in that step is such as
Under:
1) wax is penetrated: carrying out penetrating wax at ambient temperature is 22-26 DEG C and obtain wax part, penetrate wax temperature and be 51-55 DEG C, pressure is 15-
25kg/cm2, penetrating the wax time is 40s, puts into setting tooling cooling after being taken out by wax part；
2) wax part checks: check the wax part after cooling, to check whether wax part exists fault of construction, if wax part exists knot
Structure defect, then return step 1), otherwise, carry out next step；
3) group number；
4) arenaceous shell processed: ambient temperature is 22-26 DEG C, be coated with successively outside wax part surface layer, one layer, two layers, three layers, four layers and five
Layer, finally carries out slurry seal, it is thus achieved that be contained within the arenaceous shell of wax part；
5) dewaxing: the arenaceous shell being contained within wax part is put into dewaxing kettle, dewaxing treatment more than eight minutes, it is thus achieved that empty arenaceous shell, dewaxing
The temperature in the kettle of still is 140-170 DEG C, and in still, pressure is 0.7-0.8Mpa；
6) casting: empty arenaceous shell is carried out calcination process, and sintering temperature is 1120-1140 DEG C, after calcination process, casting
The molten steel of 1660-1670 DEG C, cools down molding；
7) cleaning afterwards: sequentially pass through shake shell, hang throwings, cut, grind cast gate, to steep sand removal agent, sandblasting, blank initial survey, refine, throwing stainless
Shot, blank shaping, blank inspection eventually, it is thus achieved that blank；
8) machining: flange face and sensor nut to blank are machined out, it is thus achieved that finished product；
9) product inspection: outward appearance, position degree and the size of finished product is tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610558303.4A CN106151716A (en) | 2016-07-15 | 2016-07-15 | A kind of integration cast type flange and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610558303.4A CN106151716A (en) | 2016-07-15 | 2016-07-15 | A kind of integration cast type flange and manufacturing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106151716A true CN106151716A (en) | 2016-11-23 |
Family
ID=58059773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610558303.4A Pending CN106151716A (en) | 2016-07-15 | 2016-07-15 | A kind of integration cast type flange and manufacturing process thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106151716A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103049A1 (en) * | 2016-12-08 | 2018-06-14 | 王树军 | Integrated casting flange and manufacturing process thereof |
| CN111894718A (en) * | 2020-07-29 | 2020-11-06 | 中国船舶工业集团公司第七0八研究所 | Omega-shaped exhaust expansion joint of integrated gradual change pipe |
| CN112743037A (en) * | 2020-11-20 | 2021-05-04 | 青岛科麟航空科技有限公司 | Wax injection machine mold device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61266150A (en) * | 1985-05-20 | 1986-11-25 | Honda Motor Co Ltd | Production of exhaust manifold for multi-cylinder engine |
| CN201574806U (en) * | 2009-12-23 | 2010-09-08 | 克康(上海)排气控制系统有限公司 | Three-way catalytic converter of turbo-supercharged engine |
| CN102717032A (en) * | 2012-07-09 | 2012-10-10 | 江苏多为泵业股份有限公司 | Precision casting method for automobile turbocharger casing part |
| CN202789037U (en) * | 2012-09-17 | 2013-03-13 | 重庆长安汽车股份有限公司 | Three-way catalytic converter for supercharged gasoline engine |
| CN105710304A (en) * | 2016-04-11 | 2016-06-29 | 青岛立博汽车零部件精密铸造有限公司 | Processing method of air inlet end cone |
| CN205745755U (en) * | 2016-07-15 | 2016-11-30 | 青岛立博汽车零部件精密铸造有限公司 | A kind of integration cast type flange |
-
2016
- 2016-07-15 CN CN201610558303.4A patent/CN106151716A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61266150A (en) * | 1985-05-20 | 1986-11-25 | Honda Motor Co Ltd | Production of exhaust manifold for multi-cylinder engine |
| CN201574806U (en) * | 2009-12-23 | 2010-09-08 | 克康(上海)排气控制系统有限公司 | Three-way catalytic converter of turbo-supercharged engine |
| CN102717032A (en) * | 2012-07-09 | 2012-10-10 | 江苏多为泵业股份有限公司 | Precision casting method for automobile turbocharger casing part |
| CN202789037U (en) * | 2012-09-17 | 2013-03-13 | 重庆长安汽车股份有限公司 | Three-way catalytic converter for supercharged gasoline engine |
| CN105710304A (en) * | 2016-04-11 | 2016-06-29 | 青岛立博汽车零部件精密铸造有限公司 | Processing method of air inlet end cone |
| CN205745755U (en) * | 2016-07-15 | 2016-11-30 | 青岛立博汽车零部件精密铸造有限公司 | A kind of integration cast type flange |
Non-Patent Citations (2)
| Title |
|---|
| 中国机械工程学会铸造分会组编: "《铸造手册（第6卷特种铸造 第3版）》", 31 January 2014, 机械工业出版社 * |
| 杨彬等: "熔模精密铸造蜡件制作工艺探讨", 《全国机电企业工艺年会暨第五届机械工业节能减排工艺技术研讨会论文集》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103049A1 (en) * | 2016-12-08 | 2018-06-14 | 王树军 | Integrated casting flange and manufacturing process thereof |
| CN111894718A (en) * | 2020-07-29 | 2020-11-06 | 中国船舶工业集团公司第七0八研究所 | Omega-shaped exhaust expansion joint of integrated gradual change pipe |
| CN112743037A (en) * | 2020-11-20 | 2021-05-04 | 青岛科麟航空科技有限公司 | Wax injection machine mold device and method |
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Application publication date: 20161123 |