CN105305704A - Electric vehicle integrated water-cooling motor shell and cooling water channel casting core thereof - Google Patents

Electric vehicle integrated water-cooling motor shell and cooling water channel casting core thereof Download PDF

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Publication number
CN105305704A
CN105305704A CN201510837322.6A CN201510837322A CN105305704A CN 105305704 A CN105305704 A CN 105305704A CN 201510837322 A CN201510837322 A CN 201510837322A CN 105305704 A CN105305704 A CN 105305704A
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CN
China
Prior art keywords
cooling water
casting
core
cooling
water channel
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CN201510837322.6A
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Chinese (zh)
Inventor
梁小林
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江苏亿林利达科技有限公司
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Priority to CN201510837322.6A priority Critical patent/CN105305704A/en
Publication of CN105305704A publication Critical patent/CN105305704A/en

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Abstract

The invention discloses an electric vehicle integrated water-cooling motor shell and a cooling water channel casting core thereof. The water-cooling motor shell comprises a shell, at least three loops of spiral cooling water channels are arranged in a shell wall around the circumferential direction of the shell, the shell wall positioned at two ends of the cooling water channels is provided with a water outlet and a water inlet, the casting core comprises a spiral body of at least three loops of the cooling water channels formed after casting, and the head end and the tail end of the spiral body are respectively provided with a cylindrical body forming an inlet and an outlet of cooling water of the cooling water channels after casting. According to the motor shell and the cooling water channel casting core thereof, cast aluminum is integrally casted to form an integral-molding structure, the core is additionally provided in a casting mold and occupies the position during low-pressure casting, the spiral cooling water channels are directly formed via sand collapse after molding, the machining amount is reduced, the sealing performance of the cooling water channels is enhanced, the positioning of the core in the mold can be guaranteed to be accurate via the integrally-casted core, the phenomenon of eccentricity of the formed cooling water channels is prevented, the yield of the cores is increased, materials are saved, and the cost is lowered.

Description

Electric automobile integrated water cooling motor casing and cooling water channel casting core thereof

Technical field

Cooling water channel casting core used is formed when the present invention relates to a kind of electric automobile integrated water cooling motor casing and die casting motor casing.

Background technology

What use along with automobile constantly popularizes, and the tail gas of vehicular discharge also causes great impact to environment, and the electric automobile of environmental protection for this reason arises at the historic moment.And a large amount of heat energy can be produced in the course of the work as the direct current machine in electric powered motor source, therefore the quality of heat dispersion directly affects the serviceability of motor.Existing direct current machine adopts the cooling water circulation type of cooling usually, motor casing is inside and outside shell split-type structural, add and first draw out inside and outside shell man-hour, wherein inner casing outer surface has vertically alternate projection, after high accuracy machine work, again carry out machine work after adopting hot jacket mode to be assembled by inside and outside shell, namely the inner chamber between the projection of inner casing outer surface and inner surface of outer cover defines motor casing cooling water channel.The motor casing of this combining structure, for ensureing the sealing of cooling water channel, not only mach workload is large, requirement on machining accuracy is high, and higher to inside and outside shell matching requirements, the stopping of automobile not timing in the process of moving simultaneously and startup, motor casing is in all the time cold and heat succeed each other the state of change, be easy between inside and outside shell of long duration occur infiltration phenomenon, it is also easily aging and affect sealing effectiveness that water channel seals sealing ring used, thus shorten the useful life of casing.

Summary of the invention

The technical problem to be solved in the present invention is: overcome the deficiency in prior art, a kind of electric automobile integrated water cooling motor casing used reducing processing capacity, reduce matching requirements, improve useful life is provided, and forms cooling water channel casting core used when die casting motor casing around motor casing perisporium.

The technical solution adopted for the present invention to solve the technical problems is: a kind of electric automobile integrated water cooling motor casing, comprise housing and be positioned at the flange of housing two ends connection electric motor end cap, housing has the cylindrical inner chamber of installing rotor, housing exterior walls has terminal box, be provided with the spiral helicine cooling water channel of at least three circles in housing wall around housing circumference, the housing wall being positioned at described cooling water channel two ends is provided with delivery port and water inlet.

Preferably, the spiral helicine cooling water channel of five circles is provided with in described housing wall.

A kind of casting core forming cooling water channel for casting above-mentioned water cooling motor housing, by core shooter, precoated sand is made shaping, the helicoid of described cooling water channel is formed after comprising at least three circle casting, form the column of cooling water channel cooling water outlet and inlet after helicoid head and the tail two ends have casting respectively, when spirochetal outer wall is provided with casting, fix the main reference column of core.

Correspondingly, for when preventing from casting, leptospira structure deforms, described helicoid has five circles, often encloses on spirochetal outer wall and is equipped with main reference column, and the main reference column on adjoining spiral body is connected with each other.

For improving locating effect better, being convenient to the cleaning of having cast rear precoated sand, described spirochetal outer wall being provided with the secondary reference column be connected up and down relative to main reference column 90 degree of positions.

The invention has the beneficial effects as follows: the present invention adopts the integral shaped structure of cast aluminium integral cast, by increasing core in casting mold inside, core occupy-place when low-pressure casting, by the spiral helicine cooling water channel of the defeated and dispersed direct formation of sand after being shaped, without the need to forming cooling water channel by inside and outside shell assembling, thus decrease amount of machining, improve the sealing property of cooling water channel and the useful life of motor casing, and integrated casting core ensure that core accurate positioning in a mold, guarantee the cooling water channel phenomenon without acceptance of persons formed, be conducive to the raising of core rate of finished products, Simplified flowsheet, save material, reduce costs.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the present invention is further described.

Fig. 1 is the structural representation of integrated water cooling motor casing of the present invention.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the structural representation of cooling water channel of the present invention.

Fig. 4 is the structural representation of casting core of the present invention.

The secondary reference column of the 1. housing 2. flange 3. cylindrical inner chamber 4. terminal box 5. cooling water channel 6. delivery port 7. water inlet 8. helicoid 9. main reference column 11. of column 10. in figure

Embodiment

The present invention is further illustrated with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.

A kind of electric automobile integrated water cooling motor casing used as shown in FIG. 1 to 3, select cast aluminium integral cast integrally formed, comprise as motor casing body housing 1 and be positioned at housing 1 two ends for connecting the flange 2 of electric motor end cap, described housing 1 has the cylindrical inner chamber 3 for mounted motor stator and rotor, and the outer wall being positioned at housing 1 has terminal box 4.

Around being provided with the spiral helicine cooling water channel 5 of five circles in housing 1 wall of housing 1 circumference, housing 1 wall at corresponding described cooling water channel 5 two ends is provided with delivery port 6 and water inlet 7, and delivery port 6 has the gas thread for being connected respectively with water inlet 7.

As shown in Figure 4 be a kind ofly form the casting core of cooling water channel 5 for casting above-mentioned water cooling motor housing, by core shooter, precoated sand is made shaping, there are five circle helicoids 1, by after the defeated and dispersed cleaning of precoated sand of making helicoid 1 after casting, namely in housing 1 perisporium, spiral helicine cooling water channel 5 is formed, form the column 2 of cooling water outlet 6 and water inlet 7 have casting respectively at the head and the tail two ends of helicoid 1 after, described column 2 doubles as certain positioning action in casting cycle simultaneously.

For the main reference column 3 of fixing core when the outer wall often enclosing helicoid 1 is equipped with casting, the main reference column 3 on adjoining spiral body 1 is connected with each other, and prevents the effect that helicoid 1 is out of shape during to play casting.

Relative to the outer wall of 90 degree of positions, main reference column 3 both sides being also provided with the secondary reference column 4 be connected up and down on described helicoid 1.

Integrated water cooling motor casing of the present invention, the casting core forming cooling water channel 5 used during its casting is integral ring-shaped structure, owing to being easily out of shape when producing, shaping bad, the phenomenon such as fracture, therefore core adopts the high strength precoated sand including dispersant to make, by core shooter, precoated sand is shaped, form core, make through the technique such as coating, oven dry.The casting core made is put into low pressure mould, aluminium alloy becomes after electric machine casing 1 through low-pressure casting, clean out defeated and dispersed from the hole that main reference column 3, secondary reference column 4 are formed for the precoated sand forming helicoid 1, namely in electric machine casing 1 perisporium, define spiral helicine cooling water channel 5.

Integrated water cooling motor casing of the present invention adopts cast aluminium integral cast, by increasing core in casting mold inside, core occupy-place when low-pressure casting, by the spiral helicine cooling water channel 5 of the defeated and dispersed direct formation of sand after being shaped, without the need to forming cooling water channel 5 by inside and outside shell assembling, thus decrease amount of machining, improve the sealing property of cooling water channel 5 and the useful life of motor casing, and integrated casting core ensure that core accurate positioning in a mold, guarantee cooling water channel 5 phenomenon without acceptance of persons formed, be conducive to the raising of core rate of finished products, Simplified flowsheet, save material, reduce costs.

Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (5)

1. an electric automobile integrated water cooling motor casing, comprise housing (1) and be positioned at the flange (2) of housing (1) two ends connection electric motor end cap, housing (1) has the cylindrical inner chamber (3) of installing rotor, housing (1) outer wall has terminal box (4), it is characterized in that: be provided with at least three spiral helicine cooling water channel of circles (5) in housing (1) wall around housing (1) circumference, housing (1) wall being positioned at described cooling water channel (5) two ends is provided with delivery port (6) and water inlet (7).
2. electric automobile according to claim 1 integrated water cooling motor casing used, is characterized in that: be provided with the spiral helicine cooling water channel of five circle (5) in described housing (1) wall.
3. one kind forms the casting core of cooling water channel for casting water cooling motor housing described in claim 1, by core shooter, precoated sand is made shaping, it is characterized in that: the helicoid (8) forming described cooling water channel (5) after comprising at least three circle casting, form the column (9) of cooling water channel (5) cooling water outlet and inlet after helicoid (8) head and the tail two ends have casting respectively, when the outer wall of helicoid (1) is provided with casting, fix the main reference column (10) of core.
4. motor in electric automobile shell cooling water channel casting core according to claim 3, it is characterized in that: described helicoid (8) has five circles, the outer wall often enclosing helicoid (8) is equipped with main reference column (10), and the main reference column (10) on adjoining spiral body (8) is connected with each other.
5. motor in electric automobile shell cooling water channel according to claim 3 casting core, is characterized in that: the outer wall of described helicoid (8) is provided with secondary reference column (11) connected up and down relative to main reference column (10) 90 degree position.
CN201510837322.6A 2015-11-26 2015-11-26 Electric vehicle integrated water-cooling motor shell and cooling water channel casting core thereof CN105305704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510837322.6A CN105305704A (en) 2015-11-26 2015-11-26 Electric vehicle integrated water-cooling motor shell and cooling water channel casting core thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510837322.6A CN105305704A (en) 2015-11-26 2015-11-26 Electric vehicle integrated water-cooling motor shell and cooling water channel casting core thereof

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Publication Number Publication Date
CN105305704A true CN105305704A (en) 2016-02-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105618711A (en) * 2016-03-26 2016-06-01 山东鸿源新材料有限公司 Casting technology of water-cooled motor shell, provided with nine turns of spiral waterways, for new energy automobile
CN105871106A (en) * 2016-06-15 2016-08-17 广州市锐美汽车零部件有限公司 New energy source automobile spiral water cooling integral motor case and pressure casting process thereof
CN106077507A (en) * 2016-08-31 2016-11-09 山东泰开精密铸造有限公司 The casting die of a kind of automobile water-cooling motor casing foundry goods and casting technique
CN106181268A (en) * 2016-09-12 2016-12-07 广州市锐美汽车零部件有限公司 A kind of new-energy automobile water-cooled motor case and friction welding technological thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201742267U (en) * 2010-08-18 2011-02-09 咸宁市凤凰机电产业技术研发有限公司 Water cooling type asynchronous motor for a motor vehicle
CN103475159A (en) * 2012-06-08 2013-12-25 上海捷能汽车技术有限公司 Driving motor liquid cooling device and manufacturing method thereof, and the driving motor
CN203526564U (en) * 2013-08-07 2014-04-09 安阳工学院 Spiral dual-cooling-channel high speed motorized spindle
CN203660732U (en) * 2014-01-09 2014-06-18 南宁市劲源电机有限责任公司 A block-cast water-cooled pole-changing double-speed three-phase asynchronous motor
CN204089485U (en) * 2014-10-22 2015-01-07 深圳中德世纪新能源有限公司 A kind of water-cooled machine
CN104734422A (en) * 2015-04-21 2015-06-24 中国船舶重工集团公司第七一二研究所 Novel permanent magnet motor
CN204770594U (en) * 2015-07-23 2015-11-18 惠州市威盛工业有限公司 Motor casing low pressure casting is with spiral water channel psammitolite of taking protective layer
CN205319840U (en) * 2015-11-26 2016-06-15 江苏亿林利达新能源科技有限公司 Used integral type water cooled machine shell of electric automobile

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201742267U (en) * 2010-08-18 2011-02-09 咸宁市凤凰机电产业技术研发有限公司 Water cooling type asynchronous motor for a motor vehicle
CN103475159A (en) * 2012-06-08 2013-12-25 上海捷能汽车技术有限公司 Driving motor liquid cooling device and manufacturing method thereof, and the driving motor
CN203526564U (en) * 2013-08-07 2014-04-09 安阳工学院 Spiral dual-cooling-channel high speed motorized spindle
CN203660732U (en) * 2014-01-09 2014-06-18 南宁市劲源电机有限责任公司 A block-cast water-cooled pole-changing double-speed three-phase asynchronous motor
CN204089485U (en) * 2014-10-22 2015-01-07 深圳中德世纪新能源有限公司 A kind of water-cooled machine
CN104734422A (en) * 2015-04-21 2015-06-24 中国船舶重工集团公司第七一二研究所 Novel permanent magnet motor
CN204770594U (en) * 2015-07-23 2015-11-18 惠州市威盛工业有限公司 Motor casing low pressure casting is with spiral water channel psammitolite of taking protective layer
CN205319840U (en) * 2015-11-26 2016-06-15 江苏亿林利达新能源科技有限公司 Used integral type water cooled machine shell of electric automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105618711A (en) * 2016-03-26 2016-06-01 山东鸿源新材料有限公司 Casting technology of water-cooled motor shell, provided with nine turns of spiral waterways, for new energy automobile
CN105871106A (en) * 2016-06-15 2016-08-17 广州市锐美汽车零部件有限公司 New energy source automobile spiral water cooling integral motor case and pressure casting process thereof
CN106077507A (en) * 2016-08-31 2016-11-09 山东泰开精密铸造有限公司 The casting die of a kind of automobile water-cooling motor casing foundry goods and casting technique
CN106181268A (en) * 2016-09-12 2016-12-07 广州市锐美汽车零部件有限公司 A kind of new-energy automobile water-cooled motor case and friction welding technological thereof

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Effective date of registration: 20160504

Address after: 213118 Rong Lake Village, Hengshan Town, Wujin District, Jiangsu, Changzhou

Applicant after: JIANGSU YILIN LIDA NEW ENERGY TECHNOLOGY CO., LTD.

Address before: 213138 Rong Lake Village, Hengshan Town, Wujin District, Jiangsu, Changzhou

Applicant before: JIANGSU YILIN LIDA SCIENCE & TECHNOLOGY CO., LTD.

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Application publication date: 20160203