CN105798254A - Fluid coupling workpiece and production method - Google Patents
Fluid coupling workpiece and production method Download PDFInfo
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- CN105798254A CN105798254A CN201610174613.6A CN201610174613A CN105798254A CN 105798254 A CN105798254 A CN 105798254A CN 201610174613 A CN201610174613 A CN 201610174613A CN 105798254 A CN105798254 A CN 105798254A
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- mould
- fluid
- production method
- flywheel clutch
- housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
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- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a production method for fluid coupling turbines, pump pulleys and shells capable of preheating a mold and a bearing bush through a waste heat utilization device of a biomass aluminum melting furnace. The production method is characterized in that a full-metal mold centrifugal casting technology is adopted for manufacturing; the method includes the following five steps of aluminum melting, mold baking, mold feeding, casting and mold stripping; and the biomass aluminum melting furnace is used for melting aluminum in the first step, and waste heat of the biomass aluminum melting furnace is used for baking the mold in the second step. The production method has the beneficial effects of being efficient, capable of saving energy, low in carbon, environment-friendly, low in production cost and easy to operate and maintain.
Description
Technical field
The present invention relates to the production of a kind of fluid-flywheel clutch workpiece, specifically a kind of employing all-metal mould mould casting method for centrifugal produces fluid-flywheel clutch workpiece and production method, particularly relates to fluid-flywheel clutch workpiece and the production method of a kind of residual heat using device preheated mold utilizing biomass aluminium melting furnace and bearing holder (housing, cover).
Background technology
The production method of the aluminum component housings such as fluid-flywheel clutch workpiece such as turbine, pump impeller, shell generally comprises sand core casting, gravity-assist pouring and die casting three kinds, wherein sand core casting be mainly disadvantageous in that one be internal mold adopt core casting, the modeling requirement of sand is high, the technology of moulder is required height；Two is that core is fragile, and by core location and Quick pouring, casting product out easily occurs that center is asymmetric, and blade is uneven, blade surface and the defect such as inner chamber is rough, and fluid-flywheel clutch circulation of oil flow resistance in use is big, loss power；Three is that the product surface fineness of core casting is not high, and yield rate is low, and the site area taken needed for moulding is big, and sand is discarded after cast mostly, not only not environmentally but also uneconomical.Gravity-assist pouring be mainly disadvantageous in that the workpiece density produced does not reach requirement, its qualification rate is merely able to reach about 40.Also having Some Enterprises to adopt low-pressure casting process, low pressure casting is that press is high with mould input cost, and the description of fluid-flywheel clutch is various by advanced equipment investment, and every kind of product all makes mould according to the requirement of low pressure casting, and manufacturing enterprise is difficult to bear.
For this, application number be 201510523735.7 patent application disclose a kind of method adopting all-metal mould centrifugal casting technique to prepare fluid coupling workpiece, the maximum outside diameter of made fluid coupling workpiece can reach 110, and maximum weight can reach 100, and the density of workpiece is high；Meanwhile, centrifugal transmission improves cooling effectiveness.
But, in the centrifugal casting of all-metal mould, metal die must be preheated to 350 DEG C～600 DEG C, and the bearing holder (housing, cover) in workpiece also must preheat, and the cast temperature of aluminum water is when 800 DEG C～about 900 DEG C, and yield rate is just high.At present, the main material of the workpiece of fluid-flywheel clutch is aluminium alloy, and the melting mode of existing aluminium alloy mainly adopts electric furnace, gas furnace and ordinary coke stove, and ordinary coke stove does not allow to adopt the policy requirements of environmental protection；Although electric furnace, gas furnace are fast and environmental protection, smelting furnace use also can only be done, and long in the centrifugal casting process time of all-metal mould, aluminum water needs insulation, and such cost is high, especially for the product of small lot, more costly.Meanwhile, metal die must additionally make oven and carries out mould and heat heating.
Biomass aluminium melting furnace is to use the energy saving and environment friendly smelting furnace of specialty of bioenergy, half gasification, and combustion is adopted to add the design of spiral-flow type air distribution, utilize Crucible melting and heat-insulating integral, it is mainly for the low melting point nonferrous metal and alloys such as fusing or smelting aluminum, zinc, lead, stannum, cadmium, general and die casting machine is supporting, it is also possible in the insulation of aluminum liquid, degasification, refine.Have energy-efficient, low-carbon environment-friendly, production cost are low, Operation and Maintenance is simple, flexibly the feature of safety, is the best product of replacing fuel oil, combustion gas, coke-fired furnace, electric furnace, it is possible to make enterprise reduce the energy consumption cost of 30～60.
Summary of the invention
It is an object of the invention to provide a kind of fluid-flywheel clutch workpiece and production method utilizing biomass aluminium melting furnace and utilizing its waste heat apparatus preheated mold and bearing holder (housing, cover).
The present invention adopts the following technical scheme that and realizes its goal of the invention, a kind of fluid-flywheel clutch work piece production method, and it comprises the following steps:
(1) aluminum melting: open biomass aluminium melting furnace, aluminium ingot is put into biomass aluminium melting furnace crucible and is melt into aluminum water；
The present invention step (1) in, the temperature of described aluminum water is 800 DEG C～900 DEG C.
(2) grilled mold: mould and bearing holder (housing, cover) are put into the residual heat using device preheating of biomass aluminium melting furnace；
The present invention step (2) in, described mould and die preheating is to 350 DEG C～600 DEG C, and described bearing holder (housing, cover) is preheated to 350 DEG C～600 DEG C.
The present invention step (2) in, be preferably described mould and die preheating to 450 DEG C～500 DEG C, described bearing holder (housing, cover) is preheated to 450 DEG C～500 DEG C.
The present invention step (2) in, described residual heat using device includes biomass aluminium melting furnace body of heater, body of heater is provided with the flue connected with heating chamber, being provided with bearing holder (housing, cover) heating chamber in described flue, bearing holder (housing, cover) heating chamber sidepiece is provided with mould heating arrangements, and described mould heating arrangements includes casing, casing top is provided with case lid, case lid is provided with air vent, and the space in casing is mould heating chamber, and mould heating chamber connects with flue.
For homogeneous heating, being provided with turntable in mould heating chamber of the present invention, treat that preheated mold is placed on a spinstand, limit rotates, and limit preheats.
The rotary speed of turntable of the present invention is 2 rev/min～8 rev/min.
For improving the temperature of biomass aluminium melting furnace crucible, being provided with air preheat pipeline in flue of the present invention, cold wind is sent into air preheat pipeline by blower fan, sends into combustion chamber after air in air preheat pipeline is preheated.
(3) going up mould: the mould after grilled mold is put into apparatus for pouring, bearing holder (housing, cover) is put in mould, makes mould rotate by actuating device；
The present invention step (3) in, the rotary speed of mould is 500 rev/min～800 rev/min.
(4) cast: be cast in mold cavity by aluminum water by cast gate, in casting process, limit is poured into a mould, and mold side rotates；
(5) move back mould: after casting complete, after cooling, carry out moving back mould, take out workpiece, then in mould, put into another bearing holder (housing, cover), carry out the cast of next workpiece.
The fluid-flywheel clutch workpiece that a kind of fluid-flywheel clutch work piece production method described above produces, it includes the turbine of fluid-flywheel clutch, pump impeller and shell.
Owing to adopting technique scheme, the present invention achieves goal of the invention preferably, adopt all-metal mould centrifugal casting technique, utilize biomass aluminium melting furnace aluminum melting and its waste heat grilled mold, have energy-efficient, low-carbon environment-friendly, production cost are low, the simple feature of Operation and Maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of biomass aluminium melting furnace before transformation；
Fig. 2 is the plan structure schematic diagram of biomass aluminium melting furnace of the present invention；
Fig. 3 is the facade structures schematic diagram of biomass aluminium melting furnace of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
By Fig. 1, Fig. 2, Fig. 3 it can be seen that a kind of fluid-flywheel clutch work piece production method, it comprises the following steps:
(1) aluminum melting: open biomass aluminium melting furnace, aluminium ingot is put into biomass aluminium melting furnace crucible 3 and is melt into aluminum water；
The present invention step (1) in, the temperature of described aluminum water is 800 DEG C～900 DEG C.
(2) grilled mold: mould and bearing holder (housing, cover) are put into the residual heat using device preheating of biomass aluminium melting furnace；
The present invention step (2) in, described mould and die preheating is to 350 DEG C～600 DEG C, and described bearing holder (housing, cover) is preheated to 350 DEG C～600 DEG C.
The present invention step (2) in, be preferably described mould and die preheating to 450 DEG C～500 DEG C, described bearing holder (housing, cover) is preheated to 450 DEG C～500 DEG C.
The present invention step (2) in, described residual heat using device includes biomass aluminium melting furnace body of heater 1, body of heater 1 is provided with the flue 5 connected with heating chamber 2, being provided with bearing holder (housing, cover) heating chamber 13 in described flue 5, bearing holder (housing, cover) heating chamber 13 sidepiece is provided with mould heating arrangements, and described mould heating arrangements includes casing 11, casing 11 top is provided with case lid 14, case lid 14 is provided with air vent 15, and the space in casing 11 is mould heating chamber 10, and mould heating chamber 10 connects with flue 5.
For homogeneous heating, being provided with turntable 12, treat that preheated mold is placed on turntable 12 in mould heating chamber 10 of the present invention, limit rotates, and limit preheats.
The rotary speed of turntable 12 of the present invention is 2 rev/min～8 rev/min.
For improving the temperature of biomass aluminium melting furnace crucible 3, being provided with air preheat pipeline 9 in flue 5 of the present invention, cold wind is sent into air preheat pipeline 9 by blower fan 7, the preheated rear feeding combustion chamber 4 of air in air preheat pipeline 9.
(3) going up mould: the mould after grilled mold is put into apparatus for pouring, bearing holder (housing, cover) is put in mould, makes mould rotate by actuating device；
The present invention step (3) in, the rotary speed of mould is 500 rev/min～800 rev/min.
(4) cast: be cast in mold cavity by aluminum water by cast gate, in casting process, limit is poured into a mould, and mold side rotates；
(5) move back mould: after casting complete, after cooling, carry out moving back mould, take out workpiece, then in mould, put into another bearing holder (housing, cover), carry out the cast of next workpiece.
In all-metal mould spun casting technique, it is necessary to mould is preheated to 350 DEG C～600 DEG C, secondly, for improving product service life and intensity, aluminium casting must be bumped into the bearing holder (housing, cover) that intensity is high, wear-resisting, therefore, for ensureing casting quality, bearing holder (housing, cover) also must be preheated to 350 DEG C～600 DEG C.As adopted heating furnace to preheat separately, then cost is too high, and occupied ground is big.Especially for the product of small lot, more costly.
For this, the present invention has improved in existing biomass aluminium melting furnace, is additionally arranged residual heat using device.Namely close the air vent of existing flue 5, bearing holder (housing, cover) heating chamber 13 be set in flue 5, bearing holder (housing, cover) heating chamber 13 be arranged around air preheat pipeline 9, air preheat pipeline 9 one end is connected with blower fan 7, and the other end passes into the combustion chamber 4 of biomass aluminium melting furnace；Bearing holder (housing, cover) heating chamber 13 sidepiece is provided with mould heating arrangements, and described mould heating arrangements includes casing 11, and casing 11 top is provided with case lid 14, and case lid 14 is provided with air vent 15, and the space in casing 11 is mould heating chamber 10, and mould heating chamber 10 connects with flue 5.Cold wind is sent into air preheat pipeline 9 by blower fan 7, air is preheated to after about 300 DEG C, it is re-fed into combustion chamber 4, so, temperature in combustion chamber 4 is greatly improved, in heating chamber 2, the temperature of crucible 3 outer wall can reach more than 1200 DEG C, it is possible to use the fusing point alloy material higher than more than 800 DEG C, after fusing, the temperature of aluminum water can reach 800 DEG C～900 DEG C.Biomass granule fuel is sent into combustion chamber 4 through hopper 6 and is burnt, high-temperature flue gas first heated chamber 2 heating crucible 3 that burning produces, first the air in the bearing holder (housing, cover) in bearing holder (housing, cover) heating chamber 13 and air preheat pipeline 9 is preheated (the present embodiment bearing holder (housing, cover) is preheated to 450 DEG C) then through flue 5, subsequently into mould heating chamber 10, mould is preheated (the present embodiment mould and die preheating is to 450 DEG C), finally discharged by the air vent 15 on case lid 14, making waste heat obtain abundant secondary to utilize, the temperature of air vent 15 reduces 100 DEG C～200 DEG C before comparing improvement.Ashes are discharged by ash disposal mouth 8.
Sectional area owing to connecting mould heating chamber 10 flue is little, is only confined on certain position of mould to the heating of mould, makes mould be heated uneven.For this, the present embodiment is provided with turntable 12 in mould heating chamber 10, treats that preheated mold is placed on turntable 12, and rotary speed is 4 rev/min, and limit rotates, and limit is heated.
Mould after preheating, after biomass aluminium melting furnace completes the warm grilled mold of aluminum aqueous fusion, is put into apparatus for pouring by the present embodiment, and bearing holder (housing, cover) is also placed in mould, and makes mould rotate by actuating device；The rotary speed of mould is 700 rev/min；During cast, cast gate being cast in mold cavity by aluminum water, in casting process, limit is poured into a mould, and mold side rotates, and by the effect of centrifugal force by the Impurity removal in aluminum water, and improves the density of workpiece；After casting complete, after cooling, carry out moving back mould, take out workpiece, then in mould, put into another bearing holder (housing, cover), carry out the cast of next workpiece.
The fluid-flywheel clutch workpiece that a kind of fluid-flywheel clutch work piece production method described above produces, it includes the turbine of fluid-flywheel clutch, pump impeller and shell.
Claims (10)
1. a fluid-flywheel clutch work piece production method, is characterized in that it comprises the following steps:
(1) aluminum melting: open biomass aluminium melting furnace, aluminium ingot is put into biomass aluminium melting furnace crucible and is melt into aluminum water；
(2) grilled mold: mould and bearing holder (housing, cover) are put into the residual heat using device preheating of biomass aluminium melting furnace；
(3) going up mould: the mould after grilled mold is put into apparatus for pouring, bearing holder (housing, cover) is put in mould, makes mould rotate by actuating device；
(4) cast: be cast in mold cavity by aluminum water by cast gate, in casting process, limit is poured into a mould, and mold side rotates；
(5) move back mould: after casting complete, after cooling, carry out moving back mould, take out workpiece, then in mould, put into another bearing holder (housing, cover), carry out the cast of next workpiece.
2. fluid-flywheel clutch work piece production method according to claim 1, it is characterized in that step (1) in, the temperature of described aluminum water is 800 DEG C～900 DEG C.
3. fluid-flywheel clutch work piece production method according to claim 1, it is characterized in that step (2) in, described mould and die preheating is to 350 DEG C～600 DEG C, and described bearing holder (housing, cover) is preheated to 350 DEG C～600 DEG C.
4. fluid-flywheel clutch work piece production method according to claim 1, it is characterized in that step (2) in, described mould and die preheating is to 450 DEG C～500 DEG C, and described bearing holder (housing, cover) is preheated to 450 DEG C～500 DEG C.
5. fluid-flywheel clutch work piece production method according to claim 1, it is characterized in that step (2) in, described residual heat using device includes biomass aluminium melting furnace body of heater, and body of heater is provided with the flue connected with heating chamber, is provided with bearing holder (housing, cover) heating chamber in described flue, bearing holder (housing, cover) heating chamber sidepiece is provided with mould heating arrangements, described mould heating arrangements includes casing, and casing top is provided with case lid, and case lid is provided with air vent, space in casing is mould heating chamber, and mould heating chamber connects with flue.
6. fluid-flywheel clutch work piece production method according to claim 5, is characterized in that being provided with turntable in described mould heating chamber, treats that preheated mold is placed on a spinstand, and limit rotates, and limit preheats.
7. fluid-flywheel clutch work piece production method according to claim 6, is characterized in that the rotary speed of described turntable is 2 rev/min～8 rev/min.
8. fluid-flywheel clutch work piece production method according to claim 5, is characterized in that being provided with in described flue air preheat pipeline, and cold wind is sent into air preheat pipeline by blower fan, sends into combustion chamber after air in air preheat pipeline is preheated.
9. fluid-flywheel clutch work piece production method according to claim 1, it is characterized in that step (3) in, the rotary speed of mould is 500 rev/min～800 rev/min.
10. the fluid-flywheel clutch workpiece that fluid-flywheel clutch work piece production method as described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 produces, is characterized in that it includes the turbine of fluid-flywheel clutch, pump impeller and shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610174613.6A CN105798254B (en) | 2016-03-25 | 2016-03-25 | Fluid-flywheel clutch workpiece and production method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610174613.6A CN105798254B (en) | 2016-03-25 | 2016-03-25 | Fluid-flywheel clutch workpiece and production method |
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| CN105798254A true CN105798254A (en) | 2016-07-27 |
| CN105798254B CN105798254B (en) | 2017-11-24 |
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| CN201610174613.6A Active CN105798254B (en) | 2016-03-25 | 2016-03-25 | Fluid-flywheel clutch workpiece and production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485190A (en) * | 2020-06-05 | 2020-08-04 | 肇庆本田金属有限公司 | Method and device for reducing poor bonding of ring-inlaid piston |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0195855A (en) * | 1987-10-08 | 1989-04-13 | Kubota Ltd | Production of low carbon steel soft magnetic material |
| CN203837004U (en) * | 2014-04-02 | 2014-09-17 | 周利国 | Air inlet preheating device for novel biomass aluminum melting furnace |
| CN104232934A (en) * | 2014-08-22 | 2014-12-24 | 石家庄金刚凯源动力科技有限公司 | Natural gas holding furnace for casting aluminum pistons |
| CN204346098U (en) * | 2014-12-17 | 2015-05-20 | 江西东胜铝业有限公司 | Energy-saving living beings melt aluminium stove |
| CN105170933A (en) * | 2015-08-25 | 2015-12-23 | 湖南中特液力传动机械有限公司 | Centrifugal casting equipment for hydraulic coupler workpiece and centrifugal casting technology of centrifugal casting equipment |
-
2016
- 2016-03-25 CN CN201610174613.6A patent/CN105798254B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0195855A (en) * | 1987-10-08 | 1989-04-13 | Kubota Ltd | Production of low carbon steel soft magnetic material |
| CN203837004U (en) * | 2014-04-02 | 2014-09-17 | 周利国 | Air inlet preheating device for novel biomass aluminum melting furnace |
| CN104232934A (en) * | 2014-08-22 | 2014-12-24 | 石家庄金刚凯源动力科技有限公司 | Natural gas holding furnace for casting aluminum pistons |
| CN204346098U (en) * | 2014-12-17 | 2015-05-20 | 江西东胜铝业有限公司 | Energy-saving living beings melt aluminium stove |
| CN105170933A (en) * | 2015-08-25 | 2015-12-23 | 湖南中特液力传动机械有限公司 | Centrifugal casting equipment for hydraulic coupler workpiece and centrifugal casting technology of centrifugal casting equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485190A (en) * | 2020-06-05 | 2020-08-04 | 肇庆本田金属有限公司 | Method and device for reducing poor bonding of ring-inlaid piston |
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| CN105798254B (en) | 2017-11-24 |
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Denomination of invention: Fluid coupling workpiece and production method Effective date of registration: 20181008 Granted publication date: 20171124 Pledgee: Postal Savings Bank of China Limited by Share Ltd Yiyang branch Pledgor: Hunan Zhongte Hydraulic Rotary Transmission Machine Co.,Ltd. Registration number: 2018430000083 |
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Date of cancellation: 20201105 Granted publication date: 20171124 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Yiyang branch Pledgor: HUNAN ZHONGTE HYDRAULIC ROTARY TRANSMISSION MACHINE Co.,Ltd. Registration number: 2018430000083 |