阅读说明：本技术 一种汽车用水冷电机壳铝型材及其加工方法 (A kind of automobile water-based cooling motor casing aluminum profile and its processing method ) 是由 王彪 王庆庆 于 2019-08-22 设计创作，主要内容包括：本发明涉及一种新能源汽车用水冷电机壳铝合金型材及其加工工艺,属于Al-Zn-Mg-Cu系铝合金材料技术领域。其首先熔铸铝锭,对熔铸的铝锭进行均匀化处理；将铝锭加热到480-510℃,采用100MN正向挤压机进行挤压,对挤压产品进行在线吹风冷却；冷却后进行拉直锯切,最后对锯切后产品进行人工时效热处理。本发明提供的新能源汽车用水冷电机壳铝合金型材及其加工工艺,既能生产高精度尺寸的产品,其表面质量也能得到提高,满足汽车产品实际使用。(The present invention relates to a kind of new-energy automobile water cooling motor housing aluminium alloy extrusions and its processing technology, belong to Al-Zn-Mg-Cu aluminum alloy field of material technology.Its founding aluminium ingot first carries out Homogenization Treatments to the aluminium ingot of founding；Aluminium ingot is heated to 480-510 DEG C, is squeezed using 100MN forward extrusion machine, online quenching is carried out to extruded product；It carries out that sawing is straightened after cooling, artificial aging heat treatment finally is carried out to product after sawing.New-energy automobile provided by the invention water cooling motor housing aluminium alloy extrusions and its processing technology can produce the product of high-precision size, and surface quality can be also improved, and meet automobile product actual use.)

1. a kind of automobile water-based cooling motor casing aluminum profile characterized by comprising its section is an outer annular structure (1), should A cavity (2) are formed inside ring structure, uniform intervals offer a plurality of arc-shaped cooling water on the wall thickness of the ring structure Road (3), interval is equipped with multiple reinforcement boss (4) on the outer wall of ring structure (1), and installation base (4) center offers through-hole (5), ring structure outer wall bottom is provided with mounting plate (6).

2. a kind of processing method of automobile water-based cooling motor casing aluminum profile, characterized in that

Specific step is as follows:

(1), aluminium ingot founding: aluminium ingot founding is carried out according to ratio as following formula, obtains casting rod；Mg:0.65~0.8wt%；Si:0.4 ~0.5wt%；Fe:0.18~0.25wt%；Cu:0.05wt%；Zn:0.05wt%；Ti:0.05wt%；Mn:0.03wt%；Cr: 0.02wt%；Si:0.10wt%；

(2), Homogenization Treatments: the water cooling that will come out of the stove after casting rod Homogenization Treatments obtained by step (1) to room temperature；

(3), it heats: homogenization gained casting rod obtained by step (2) being heated to 480~510 DEG C, casting rod head and tail temperature gradient is 10 ~30 DEG C；Extrusion die is heated, heating temperature is 470~490 DEG C, and mould cylinder is heated, and heating temperature is 425~435 DEG C；

(4), it squeezes: casting rod being squeezed using 100MN extruder, aluminium bar diameter is 520~521mm, is squeezed to aluminium bar Pressure is handled, and the cooling die cavity of liquid nitrogen, dragger sync pulling during discharging are led in extrusion process；

(5), cooling: online quenching to be carried out to extruded product, cooling medium is air, wind speed 40-50m/s；

(6), sawing is straightened: the product after on-line cooling being carried out sawing processing is straightened, the rate that is straightened is 0.5~2.0%；

(7), artificial aging is heat-treated: carrying out artificial aging heat treatment to product after sawing obtained by step (6)；

(8), accurate cutting: to after timeliness product carry out accurate cutting, Cutting Length be 200 ± 1mm to get arrive new energy vapour Automobile-used water cooling motor housing aluminum profile.

3. a kind of processing method of automobile water-based cooling motor casing aluminum profile as claimed in claim 2, it is characterised in that:

In step (2), the temperature of Homogenization Treatments are as follows: 555~575 DEG C, the Homogenization Treatments time controls angstrom 6~7h；

In step (4), for extrusion coefficient 13~14, discharging speed is 3.0~4.0m/min；

In step (7), aging technique are as follows: in 175~185 DEG C of 6~8h of ageing treatment.

Technical field

The present invention relates to new-energy automobile aluminum profile technical field, specially a kind of automobile water-based cooling motor casing aluminum profile And its processing method.

Background technique

With resource in world wide, the energy increasingly deficient and various countries to the increasingly harsh of vehicle emission standards, The development of new-energy automobile is valued by various countries, this is the development trend and product of the time of automobile industry.Currently, In The main Types of the new-energy automobile ground concentrate on pure electric automobile and oil/electric hybrid automobile.Meanwhile each automobile manufacture Factory and components supplying quotient also have an effect emphatically on automotive light weight technology, and wherein the use of aluminum alloy spare part becomes automotive light weight technology Important means.

Summary of the invention

The purpose of the present invention is high-volume low cost production new-energy automobile water cooling motor housing aluminium alloy extrusions

Beneficial effects of the present invention: new-energy automobile produced by the invention had both been able to satisfy high-precision with water cooling motor housing aluminium alloy extrusions Spend size, it may have good surface quality；Compared to currently used Foundry Production, the present invention has high production efficiency, at This low advantage.

A kind of automobile water-based cooling motor casing aluminum profile characterized by comprising its section is an outer annular structure, should A cavity is formed inside ring structure, uniform intervals offer a plurality of arc-shaped cooling water channel on the wall thickness of the ring structure, Interval is equipped with multiple reinforcement boss on the outer wall of ring structure, and installation base center offers through-hole, outside the ring structure Wall bottom is provided with mounting plate.

A kind of processing method of automobile water-based cooling motor casing aluminum profile, characterized in that

Specific step is as follows:

(1), aluminium ingot founding: aluminium ingot founding is carried out according to ratio as following formula, obtains casting rod；Mg:0.65~0.8wt%；Si:0.4 ~0.5wt%；Fe:0.18~0.25wt%；Cu:0.05wt%；Zn:0.05wt%；Ti:0.05wt%；Mn:0.03wt%；Cr: 0.02wt%；Si:0.10wt%；

(2), Homogenization Treatments: the water cooling that will come out of the stove after casting rod Homogenization Treatments obtained by step (1) to room temperature；

(3), it heats: homogenization gained casting rod obtained by step (2) being heated to 480~510 DEG C, casting rod head and tail temperature gradient is 10 ~30 DEG C；Extrusion die is heated, heating temperature is 470~490 DEG C, and mould cylinder is heated, and heating temperature is 425~435 DEG C；

(4), it squeezes: casting rod being squeezed using 100MN extruder, aluminium bar diameter is 520~521mm, is squeezed to aluminium bar Pressure is handled, and the cooling die cavity of liquid nitrogen, dragger sync pulling during discharging are led in extrusion process；

(5), cooling: online quenching to be carried out to extruded product, cooling medium is air, wind speed 40-50m/s；

(6), sawing is straightened: the product after on-line cooling being carried out sawing processing is straightened, the rate that is straightened is 0.5~2.0%；

(7), artificial aging is heat-treated: carrying out artificial aging heat treatment to product after sawing obtained by step (6)；

(8), accurate cutting: to after timeliness product carry out accurate cutting, Cutting Length be 200 ± 1mm to get arrive new energy vapour Automobile-used water cooling motor housing aluminum profile.

Further, in step (2), the temperature of Homogenization Treatments are as follows: 555~575 DEG C, the control angstrom of Homogenization Treatments time 6~7h；

In step (4), for extrusion coefficient 13~14, discharging speed is 3.0~4.0m/min；

In step (7), aging technique are as follows: in 175~185 DEG C of 6~8h of ageing treatment.

The utility model has the advantages that

The present invention by adopting the above technical scheme, can produce the product of high-precision size, and surface quality can be also improved, full Sufficient automobile product actual use.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the invention.

Specific embodiment

Below in conjunction with attached drawing, the invention will be further described.

As shown in Figure 1, a kind of automobile water-based cooling motor casing aluminum profile characterized by comprising its section is an external rings Shape structure 1, ring structure inside form a cavity 2, and uniform intervals offer a plurality of arc-shaped on the wall thickness of the ring structure Cooling water channel 3, interval is equipped with multiple reinforcement boss 4 on the outer wall of ring structure 1, and 4 center of installation base offers through-hole 5, ring structure outer wall bottom is provided with mounting plate 6.

A kind of processing method of automobile water-based cooling motor casing aluminum profile, characterized in that

Specific step is as follows:

(1), aluminium ingot founding: aluminium ingot founding is carried out according to ratio as following formula, obtains casting rod；Mg:0.65~0.8wt%；Si:0.4 ~0.5wt%；Fe:0.18~0.25wt%；Cu:0.05wt%；Zn:0.05wt%；Ti:0.05wt%；Mn:0.03wt%；Cr: 0.02wt%；Si:0.10wt%；

(2), Homogenization Treatments: the water cooling that will come out of the stove after casting rod Homogenization Treatments obtained by step (1) to room temperature；

(3), it heats: homogenization gained casting rod obtained by step (2) being heated to 480~510 DEG C, casting rod head and tail temperature gradient is 10 ~30 DEG C；Extrusion die is heated, heating temperature is 470~490 DEG C, and mould cylinder is heated, and heating temperature is 425~435 DEG C；

(4), it squeezes: casting rod being squeezed using 100MN extruder, aluminium bar diameter is 520~521mm, is squeezed to aluminium bar Pressure is handled, and the cooling die cavity of liquid nitrogen, dragger sync pulling during discharging are led in extrusion process；

(5), cooling: online quenching to be carried out to extruded product, cooling medium is air, wind speed 40-50m/s；

(6), sawing is straightened: the product after on-line cooling being carried out sawing processing is straightened, the rate that is straightened is 0.5~2.0%；

(7), artificial aging is heat-treated: carrying out artificial aging heat treatment to product after sawing obtained by step (6)；

(8), accurate cutting: to after timeliness product carry out accurate cutting, Cutting Length be 200 ± 1mm to get arrive new energy vapour Automobile-used water cooling motor housing aluminum profile.

Further, in step (2), the temperature of Homogenization Treatments are as follows: 555~575 DEG C, the control angstrom of Homogenization Treatments time 6~7h；

In step (4), for extrusion coefficient 13~14, discharging speed is 3.0~4.0m/min；

In step (7), aging technique are as follows: in 175~185 DEG C of 6~8h of ageing treatment.

It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it, Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover In the scope of the claims of the present invention.