CN104057061B - A kind of low pressure casting machine holding furnace - Google Patents
A kind of low pressure casting machine holding furnace Download PDFInfo
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- CN104057061B CN104057061B CN201410258685.XA CN201410258685A CN104057061B CN 104057061 B CN104057061 B CN 104057061B CN 201410258685 A CN201410258685 A CN 201410258685A CN 104057061 B CN104057061 B CN 104057061B
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- holding furnace
- compression chamber
- moist closet
- furnace housing
- flaggy
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- 238000005266 casting Methods 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 82
- 238000007906 compression Methods 0.000 claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 53
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 47
- 229910052782 aluminium Inorganic materials 0.000 claims description 47
- 239000004411 aluminium Substances 0.000 claims description 41
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 239000011449 brick Substances 0.000 claims description 14
- 210000000481 breast Anatomy 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 241000628997 Flos Species 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 241001149930 Protura <class> Species 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007872 degassing Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000476 thermogenic effect Effects 0.000 description 1
Abstract
The present invention relates to a kind of low pressure casting machine holding furnace, comprise holding furnace housing, moist closet, sealable compression chamber, heater, stopper rod mechanism and compression chamber's fixed mechanism, described moist closet is placed in holding furnace enclosure interior, described compression chamber is vertically placed in the middle of moist closet, and the two ends up and down of described compression chamber embed holding furnace housing, separation layer is provided with between described compression chamber and moist closet, described heater two ends are each passed through holding furnace housing two ends, and described heater is through moist closet or compression chamber, the guiding gutter being communicated with moist closet and compression chamber is also provided with in described holding furnace housing, described stopper rod mechanism is placed in guiding gutter, described compression chamber fixed mechanism is embedded on holding furnace housing, and be connected with compression chamber, for fixing compression chamber.Hinge structure, energy continuous seepage of the present invention, reduce power consumption, improve the quality of products.
Description
Technical field
The present invention relates to Low Pressure Casting Technology field, particularly a kind of low pressure casting machine holding furnace.
Background technology
At present, general low pressure casting machine holding furnace is generally a Room, the heating of radiant type Elema, furnace chamber is both as Lv Ye locker room, and again as heating clamber and compression chamber, Elema heats, heat is by radiation, air transmitted mode, ensure that in stove, temperature of aluminum liquid is constant, this kind of holding furnace, in the application process of air injection machine, serves critical effect, but along with the demand for development of Casting Technology, some problems of existence and shortcoming also day by day manifest.One, when adding aluminium liquid, stops producing, have impact on the continuity of production; Its two, in production process, to be filled with, discharges compressed air stove Inner eycle, will amount of heat to be taken away, add power consumption; They are three years old, one cell-type holding furnace in process of production, in stove, aluminium liquid liquid level is constantly change, therefore after needing often to produce a product, carry out pressure compensation, the stable of aluminium liquid liquid level can not be ensured well, easily cause the inconsistency of product processes, thus cause the fluctuation of product quality; Its four, one Room holding furnace when when normal work, aluminium liquid is long air content to increase and can not degasification, product quality can not be guaranteed; So be necessary to improve existing deficiency.
Summary of the invention
The low pressure casting machine holding furnace that technical problem to be solved by this invention is to provide a kind of energy continuous seepage, reduces power consumption, improves the quality of products.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of low pressure casting machine holding furnace, comprise holding furnace housing, moist closet, sealable compression chamber, heater, stopper rod mechanism and compression chamber's fixed mechanism, described moist closet is placed in holding furnace enclosure interior, described compression chamber is vertically placed in the middle of moist closet, and upper and lower two ends, described compression chamber embed holding furnace housing, separation layer is provided with between described compression chamber and moist closet, described heater two ends are each passed through holding furnace housing two ends, and described heater is through moist closet or compression chamber, the guiding gutter being communicated with moist closet and compression chamber is also provided with in described holding furnace housing, described stopper rod mechanism is placed in guiding gutter, described compression chamber fixed mechanism is embedded on holding furnace housing, and be connected with compression chamber, for fixing compression chamber,
Described holding furnace housing comprises the first flaggy set gradually from outside to inside, second flaggy, the insulation material of the 3rd flaggy and the 4th flaggy, described 4th flaggy is wrapped in outside moist closet, two ends, described compression chamber all embed the 4th flaggy, described holding furnace housing is provided with and adds aluminium mouth, breast hole and floss hole, describedly add aluminium mouth, on the sidewall being placed in holding furnace housing that breast hole is symmetrical respectively, the described aluminium mouth that adds all is communicated with moist closet with breast hole, described floss hole is placed in the bottom of holding furnace housing, and be communicated with compression chamber, described holding furnace housing is provided with the aluminium liquid thermometer hole for measuring the temperature of aluminum liquid in moist closet and compression chamber,
Described stopper rod mechanism comprises stopper rod, connector and cylinder, described stopper rod is placed in guiding gutter, one end near moist closet in described guiding gutter is provided with flow-guiding mouth, the shape of described flow-guiding mouth is mated with one end geomery of stopper rod, the other end of described stopper rod is connected with one end of connector, and the other end of described connector is connected with cylinder, and described cylinder is placed on the surface of holding furnace housing, described cylinder controls the movement of stopper rod in guiding gutter by connector, and then closes or conducting flow-guiding mouth;
Described compression chamber fixed mechanism comprises liquid level detection device, air inlet pipe and fixture, described liquid level detection device is embedded in compression chamber and moist closet through holding furnace housing, described air inlet pipe embeds holding furnace housing and is communicated with compression chamber, and liquid level detection device and air inlet pipe are fixed on the surface of holding furnace housing by described fixture.
The invention has the beneficial effects as follows: after 1, casting in compression chamber at every turn, liquid level in compression chamber is a decline height just, by the movement of stopper rod mechanism, aluminium liquid in moist closet will fill into quantitative aluminium liquid in trend compression chamber, make aluminium liquid level stability, make casting technique be in stable state, improve the stability of product quality; 2, holding furnace housing is provided with adds aluminium mouth and breast hole, aluminium liquid can be added at any time in moist closet, do not need to shut down and the cast stand-by period, substantially increase production efficiency.
On the basis of technique scheme, the present invention can also do following improvement.
Further technical scheme, described first flaggy is calcium silicate board, and described second flaggy is that high alumina gathers light ball brick, and described 3rd flaggy is clay brick, and described 4th flaggy and separation layer are resistant to elevated temperatures castable.
The beneficial effect of above-mentioned further scheme is adopted to be: multilayer flaggy uses different materials, improves the heat insulation effect of holding furnace and the steadiness of holding furnace.
Further technical scheme, described 4th flaggy and moist closet junction are provided with air brick, and described holding furnace housing is provided with nitrogen inlet, and described nitrogen inlet is communicated with air brick.
Adopt the beneficial effect of above-mentioned further scheme to be: by nitrogen inlet and air brick, moist closet can be made in the process of work to pass into nitrogen to aluminium liquid degassing and purifying, reduce aluminium liquid air content and impurity, thus improve aluminium liquid quality.
Further technical scheme, described stopper rod is set to conical conehead near the end, one end of flow-guiding mouth, and described flow-guiding mouth is set to the inverted truncated cone-shaped hole of mating with conical conehead.
Adopt the beneficial effect of above-mentioned further scheme to be: stopper rod is combined with the coupling of flow-guiding mouth, effectively can control the isolation between compression chamber and moist closet, by and quantitatively pass into aluminium liquid to compression chamber, ensure the height of input aluminium liquid.
Further technical scheme, the heater in described moist closet and compression chamber is radiant heater, and the power of the heater in described moist closet is 20 ~ 32kW, and the power of the heater in described compression chamber is 5 ~ 10kW.
Adopt the beneficial effect of above-mentioned further scheme to be: the heater power of moist closet, makes moist closet except having insulation effect, also have certain thermogenic action; The heater power of compression chamber, makes compression chamber have insulation effect.
Further technical scheme, described heater is Elema heating tube.
Adopt the beneficial effect of above-mentioned further scheme to be: the heating effect of heater is better, control heating more stable.
Accompanying drawing explanation
Fig. 1 is the top view of a kind of low pressure casting machine holding furnace of the present invention;
Fig. 2 is the BB sectional view of Fig. 1;
Fig. 3 is the AA sectional view of Fig. 1;
Fig. 4 is the CC sectional view of Fig. 1.
In accompanying drawing, the list of parts representated by each label is as follows:
1, holding furnace housing, the 11, first flaggy, the 12, second flaggy, the 13, the 3rd flaggy, the 14, the 4th flaggy, 15, add aluminium mouth, 16, breast hole, 17, floss hole, 18, aluminium liquid thermometer hole, 19, air brick, 20, nitrogen inlet;
2, moist closet, 3, compression chamber, 4, heater;
5, stopper rod mechanism, 51, stopper rod, 52, connector, 53, cylinder;
6, compression chamber's fixed mechanism, 61, liquid level detection device, 62, air inlet pipe, 63, fixture;
7, separation layer, 8, guiding gutter, 81, flow-guiding mouth.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figures 1 to 4, a kind of low pressure casting machine holding furnace, comprise holding furnace housing 1, moist closet 2, sealable compression chamber 3, heater 4, stopper rod mechanism 5 and compression chamber's fixed mechanism 6, it is inner that described moist closet 2 is placed in holding furnace housing 1, described compression chamber 3 is vertically placed in the middle of moist closet 2, and two ends, described compression chamber about 3 embed holding furnace housing 1, separation layer 7 is provided with between described compression chamber 3 and moist closet 2, described heater 4 two ends are each passed through holding furnace housing 1 two ends, and described heater 4 is through moist closet 2 or compression chamber 3, the guiding gutter 8 being communicated with moist closet 2 and compression chamber 3 is also provided with in described holding furnace housing 1, described stopper rod mechanism 5 is placed in guiding gutter 8, described compression chamber fixed mechanism 6 is embedded on holding furnace housing 1, and be connected with compression chamber 3, for fixing compression chamber 3,
Described holding furnace housing 1 comprises the first flaggy 11 set gradually from outside to inside, second flaggy 12, 3rd flaggy 13 and the 4th flaggy 14, described 4th flaggy 14 is wrapped in outside moist closet 2, two ends, described compression chamber 3 all embed the 4th flaggy 14, described holding furnace housing 1 is provided with and adds aluminium mouth 15, breast hole 16 and floss hole 17, describedly add aluminium mouth 15, on the sidewall being placed in holding furnace housing 1 that breast hole 16 is symmetrical respectively, the described aluminium mouth 15 that adds all is communicated with moist closet 2 with breast hole 16, described floss hole 17 is placed in the bottom of holding furnace housing 1, and be communicated with compression chamber 3, described holding furnace housing 1 is provided with the aluminium liquid thermometer hole 18 for measuring the temperature of aluminum liquid in moist closet 2 and compression chamber 3,
Described stopper rod mechanism 5 comprises stopper rod 51, connector 52 and cylinder 53, described stopper rod 51 is placed in guiding gutter 8, in described guiding gutter 8, one end of moist closet 2 is provided with flow-guiding mouth 81, the shape of described flow-guiding mouth 81 is mated with one end geomery of stopper rod 51, the other end of described stopper rod 51 is connected with one end of connector 52, the other end of described connector 52 is connected with cylinder 53, described cylinder 53 is placed on the surface of holding furnace housing 1, described cylinder 53 controls the movement of stopper rod 51 in guiding gutter 8 by connector 52, and then closes or conducting flow-guiding mouth 81;
Described compression chamber fixed mechanism 6 comprises liquid level detection device 61, air inlet pipe 62 and fixture 63, described liquid level detection device 61 is embedded in compression chamber 3 and moist closet 2 through holding furnace housing 1, described air inlet pipe 62 embeds holding furnace housing 1 and is communicated with compression chamber 3, and liquid level detection device 61 and air inlet pipe 62 are fixed on the surface of holding furnace housing 1 by described fixture 63.
Described first flaggy 11 is calcium silicate board, and described second flaggy 12 is light ball plate brick for high alumina gathers, and described 3rd flaggy 13 is clay brick, and described 4th flaggy 14 and separation layer 7 are resistant to elevated temperatures castable.
Described 4th flaggy 14 is provided with air brick 19 with moist closet 2 junction, and described holding furnace housing 1 is provided with nitrogen inlet 20, and described nitrogen inlet 20 is communicated with air brick 19.
Described stopper rod 51 is set to conical conehead near the end, one end of flow-guiding mouth 81, and described flow-guiding mouth 81 is set to the inverted truncated cone-shaped hole of mating with conical conehead.
Heater 4 in described moist closet 2 and compression chamber 3 is radiant heater, and the power of the heater 4 in described moist closet 2 is 20 ~ 32kW, and the power of the heater 4 in described compression chamber 3 is 5 ~ 10kW.
Described heater 4 is Elema heating tube.
Implement this device, in moist closet 2, aluminium liquid is added by adding aluminium mouth 15, in moist closet 2, nitrogen is passed into by nitrogen inlet 20, degassing and purifying is carried out to the aluminium liquid in moist closet 2, and can remove the gred from breast hole 16, by stopper rod mechanism 5, the aluminium liquid in moist closet 2 is put into compression chamber 3, aluminium liquid thermometer hole 18 conveniently can carry out temperature test to the aluminium liquid in moist closet 2 and compression chamber 3, if the temperature of aluminum liquid in moist closet 2 and compression chamber 3 is lower than design temperature scope, just can start heater 4 pairs of aluminium liquid to heat, the temperature of aluminum liquid in moist closet 2 and compression chamber 3 is made to keep stable, liquid level detection device 61 can detect the aluminium liquid liquid level in moist closet 2, thus is convenient to control the aluminium liquid liquid level in moist closet 2, thus the aluminium liquid liquid level controlled in moist closet 2 is higher than the aluminium liquid liquid level in compression chamber 3, when after casting each in compression chamber 3, compression chamber 3 drives stopper rod 51 to move by connector 52, thus flow-guiding mouth 81 is opened, aluminium liquid in moist closet 2 will fill into quantitative aluminium liquid by guiding gutter 8 automatically in compression chamber 3, make casting technique be in stable state, improve the stability of product quality.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a low pressure casting machine holding furnace, it is characterized in that: comprise holding furnace housing (1), moist closet (2), sealable compression chamber (3), heater (4), stopper rod mechanism (5) and compression chamber's fixed mechanism (6), it is inner that described moist closet (2) is placed in holding furnace housing (1), described compression chamber (3) is vertically placed in the middle of moist closet (2), and the two ends up and down of described compression chamber (3) embed holding furnace housing (1), separation layer (7) is provided with between described compression chamber (3) and moist closet (2), described heater (4) two ends are each passed through holding furnace housing (1) two ends, and described heater (4) is through moist closet (2) or compression chamber (3), the guiding gutter (8) being communicated with moist closet (2) and compression chamber (3) is also provided with in described holding furnace housing (1), described stopper rod mechanism (5) is placed in guiding gutter (8), described compression chamber fixed mechanism (6) is embedded on holding furnace housing (1), and be connected with compression chamber (3), for fixing compression chamber (3),
Described holding furnace housing (1) comprises the first flaggy (11) set gradually from outside to inside, second flaggy (12), 3rd flaggy (13) and the 4th flaggy (14), described 4th flaggy (14) is wrapped in moist closet (2) outward, described compression chamber (3) two ends all embed the 4th flaggy (14), described holding furnace housing (1) is provided with and adds aluminium mouth (15), breast hole (16) and floss hole (17), describedly add aluminium mouth (15), on the sidewall being placed in holding furnace housing (1) that breast hole (16) is symmetrical respectively, the described aluminium mouth (15) that adds all is communicated with moist closet (2) with breast hole (16), described floss hole (17) is placed in the bottom of holding furnace housing (1), and be communicated with compression chamber (3), described holding furnace housing (1) is provided with the aluminium liquid thermometer hole (18) for measuring the temperature of aluminum liquid in moist closet (2) and compression chamber (3),
Described stopper rod mechanism (5) comprises stopper rod (51), connector (52) and cylinder (53), described stopper rod (51) is placed in guiding gutter (8), one end near moist closet (2) in described guiding gutter (8) is provided with flow-guiding mouth (81), the shape of described flow-guiding mouth (81) is mated with one end geomery of stopper rod (51), the other end of described stopper rod (51) is connected with one end of connector (52), the other end of described connector (52) is connected with cylinder (53), described cylinder (53) is placed on the surface of holding furnace housing (1), described cylinder (53) controls stopper rod (51) movement in guiding gutter (8) by connector (52), and then close or conducting flow-guiding mouth (81),
Described compression chamber fixed mechanism (6) comprises liquid level detection device (61), air inlet pipe (62) and fixture (63), described liquid level detection device (61) is embedded in compression chamber (3) and moist closet (2) through holding furnace housing (1), described air inlet pipe (62) is communicated with compression chamber (3) through holding furnace housing (1), and liquid level detection device (61) and air inlet pipe (62) are fixed on the surface of holding furnace housing (1) by described fixture (63).
2. a kind of low pressure casting machine holding furnace according to claim 1, it is characterized in that: described first flaggy (11) is calcium silicate board, described second flaggy (12) is light ball brick for high alumina gathers, described 3rd flaggy (13) is clay brick, and described 4th flaggy (14) and separation layer (7) are resistant to elevated temperatures castable.
3. a kind of low pressure casting machine holding furnace according to claim 1, it is characterized in that: described 4th flaggy (14) and moist closet (2) junction are provided with air brick (19), described holding furnace housing (1) is provided with nitrogen inlet (20), and described nitrogen inlet (20) is communicated with air brick (19).
4. a kind of low pressure casting machine holding furnace according to claim 1, it is characterized in that: described stopper rod (51) is set to conical conehead near the end, one end of flow-guiding mouth (81), and described flow-guiding mouth (81) is set to the inverted truncated cone-shaped hole of mating with conical conehead.
5. a kind of low pressure casting machine holding furnace according to any one of Claims 1-4, it is characterized in that: the heater (4) in described moist closet (2) and compression chamber (3) is radiant heater, the power of the heater (4) in described moist closet (2) is 20 ~ 32kW, and the power of the heater (4) in described compression chamber (3) is 5 ~ 10kW.
6. a kind of low pressure casting machine holding furnace according to claim 5, is characterized in that: described heater (4) is Elema heating tube.
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| CN201410258685.XA CN104057061B (en) | 2014-06-11 | 2014-06-11 | A kind of low pressure casting machine holding furnace |
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| CN201410258685.XA CN104057061B (en) | 2014-06-11 | 2014-06-11 | A kind of low pressure casting machine holding furnace |
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| CN104057061B true CN104057061B (en) | 2016-02-10 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104889363B (en) * | 2015-06-03 | 2017-11-07 | 天津市航宇嘉瑞科技股份有限公司 | A kind of novel aluminum alloy liquid-discharging means of bottle |
| CN108817351A (en) * | 2018-07-13 | 2018-11-16 | 安徽思源三轻智能制造有限公司 | A kind of liquid forging machine holding furnace |
| CN109014129A (en) * | 2018-08-14 | 2018-12-18 | 昆山拓卡家居用品有限公司 | A kind of molten aluminum holding furnace suitable for aluminum alloy car wheel low pressure casting |
| CN112427619A (en) * | 2020-11-20 | 2021-03-02 | 陈林杰 | Manufacturing process and equipment for automobile gearbox shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001321914A (en) * | 2000-05-11 | 2001-11-20 | Chuo Motor Wheel Co Ltd | Metal casting apparatus |
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| EP0846509A1 (en) * | 1996-12-05 | 1998-06-10 | General Motors Corporation | Two-chamber furnace for countergravity casting |
| CN102166640A (en) * | 2010-07-29 | 2011-08-31 | 中信戴卡轮毂制造股份有限公司 | Improved heat preserving furnace for low-pressure diecasting machines |
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| CN203556841U (en) * | 2013-11-29 | 2014-04-23 | 无锡市双全机械制造厂 | Quantitative heat preserving furnace device of low-pressure casting machine |
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Address after: 264006, Jialing Road, Yantai economic and Technological Development Zone, Yantai, Shandong, 1 Patentee after: Yantai Lutong precision Polytron Technologies Inc Address before: 264006, Jialing Road, Yantai economic and Technological Development Zone, Yantai, Shandong, 1 Patentee before: Yantai Lutong Precision Aluminium Co., Ltd. |
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Denomination of invention: Heat preserving furnace of low-pressure casting machine Effective date of registration: 20180323 Granted publication date: 20160210 Pledgee: Rizhao bank Limited by Share Ltd Yantai branch Pledgor: Yantai Lutong precision Polytron Technologies Inc Registration number: 2018370010019 |
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