CN204975275U - Inlay steel bushing low pressure casting motor casing front and back end cover - Google Patents
Inlay steel bushing low pressure casting motor casing front and back end cover Download PDFInfo
- Publication number
- CN204975275U CN204975275U CN201520576914.2U CN201520576914U CN204975275U CN 204975275 U CN204975275 U CN 204975275U CN 201520576914 U CN201520576914 U CN 201520576914U CN 204975275 U CN204975275 U CN 204975275U
- Authority
- CN
- China
- Prior art keywords
- steel bushing
- groove
- low pressure
- pressure casting
- end cover
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000005266 casting Methods 0.000 title claims abstract description 32
- 230000006978 adaptation Effects 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 238000005253 cladding Methods 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- 238000004512 die casting Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Abstract
The utility model discloses an inlay steel bushing low pressure casting motor casing front and back end cover, its characterized in that, it includes the steel bushing, and through the low pressure casting, the cladding is at steel bushing outlying end cover, the steel bushing is equipped with the anticreep groove and prevents the turn trough, the end cover forms with the anticreep groove and prevents that the card of turn trough looks adaptation is protruding. The anticreep groove prevents that steel bushing and end cover break away from, prevents that the turn trough prevents that steel bushing and end cover from producing relative the rotation. To before the present new energy automobile permanent magnetism servo motor, the rear end cap, adopt low jewelling alloy casting, one shot forming, the product design is smooth, the pitch arc is clearly demarcated, in order to gain in strength, put at bearing position and inlay the steel bushing, solve the bearing problem that bearing position warp of being heated, increased bearing position's hardness.
Description
Technical field
The utility model relates to technical field prepared by motor casing end cap, is specifically related to a kind of edge steel bushing low pressure casting motor casing front and rear cover.
Background technology
Traditional electrical casing front and back ends lid adopt steel plate machine-shaping and Ductile Iron Casting shaping, processing cost is high, complex process, and product is heavy, and radiating effect is bad.Inlay steel bushing employing to cast for the core casting motor in electric automobile end cap, complex process.
Utility model content
In order to solve the problem, the disclosed a kind of edge steel bushing low pressure casting motor casing front and rear cover of the utility model.
The technical scheme that the utility model is adopted for achieving the above object is:
A kind of edge steel bushing low pressure casting motor casing front and rear cover, it is characterized in that, it comprises steel bushing, and pass through low pressure casting, be coated on the end cap of steel bushing periphery, described steel bushing is provided with anticreep groove and anti-rotation groove, and described end cap is formed and anticreep groove and the suitable card convex of anti-rotation groove.
Described steel bushing is hollow circuit cylinder body structure, and described anticreep groove is be arranged on the circumferential groove in the middle part of steel bushing outer wall, and described anti-rotation groove is the vertical groove be arranged on steel bushing outer wall, and anti-rotation groove is communicated with anticreep groove, and the length of described anti-rotation groove is the half of steel bushing thickness.
Described steel bushing outer wall arranges many anti-rotation grooves uniformly, and many anti-rotation grooves are arranged on the same side of anticreep groove, or are arranged on the both sides of anticreep groove.
Be arranged on many anti-rotation groove alignment of the both sides of anticreep groove or shift to install.
The utility model has the advantage of: for the forward and backward end cap of existing new-energy automobile permanent-magnet servo motor, adopt the casting of low pressure aluminium alloy, one-shot forming, product design is smooth, camber line is clearly demarcated; In order to gain in strength, position of bearings edge steel bushing, solve bearing be heated bearing position distortion problem, add the hardness of bearing position.
The utility model leads to peraluminous end cap and becomes defiber with steel bushing similar shape, bearing position runs up for a long time, the heat produced is delivered on bearing position steel bushing, steel bushing has fallen thermal release in defiber position, such guarantee motor operate for a long time bearing invariant position shape, do not wear and tear, support uses same materials of aluminum alloy with end cap, and aluminium alloy is than the good heat dissipation effect of steel part, motor good looking appearance, has saved the cost of labor of 20%.
Anticreep groove prevents steel bushing and end cap from departing from, and anti-rotation groove prevents steel bushing and end cap from producing relative rotation.
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the end cap of the present embodiment;
Fig. 2 is the structural representation of the steel bushing of the present embodiment;
Fig. 3 is the steel bushing of the present embodiment and the structural representation of counterdie;
Fig. 4 is the cross-sectional view that the steel bushing of the present embodiment is placed on counterdie.
In figure: 1. steel bushing, 11. anticreep grooves, 12. anti-rotation grooves, 2. end cap, 3. counterdie.
Detailed description of the invention
Embodiment, see Fig. 1 ~ 4, the edge steel bushing low pressure casting motor casing front and rear cover 2 that the present embodiment provides, it comprises steel bushing 1, and pass through low pressure casting, be coated on the end cap 2 of steel bushing 1 periphery, described steel bushing 1 is provided with anticreep groove 11 and anti-rotation groove 12, and described end cap 2 is formed and anticreep groove 11 and the suitable card convex of anti-rotation groove 12.Anticreep groove prevents steel bushing and end cap from departing from, and anti-rotation groove prevents steel bushing and end cap from producing relative rotation.
Described steel bushing 1 is hollow circuit cylinder body structure, described anticreep groove 11 is for being arranged on the circumferential groove in the middle part of steel bushing 1 outer wall, described anti-rotation groove 12 is for being arranged on the vertical groove on steel bushing 1 outer wall, and anti-rotation groove 12 is communicated with anticreep groove 11, and the length of described anti-rotation groove 12 is the half of steel bushing 1 thickness.
Described steel bushing 1 outer wall arranges many anti-rotation grooves 12 uniformly, and many anti-rotation grooves 12 are arranged on the same side of anticreep groove 11, or are arranged on the both sides of anticreep groove 11.
Many the anti-rotation grooves 12 being arranged on the both sides of anticreep groove 11 align or shift to install.
The present embodiment also provides a motor casing front and rear cover edge steel bushing casting method, and it comprises the following steps:
(1) prepare steel bushing 1, steel bushing 1 is provided with anticreep groove 11 and anti-slip tank;
(2) arrange heating plasma equipment, carry out superhigh temperature Fast Heating by the electromagnetic induction coupled plasma of heating plasma equipment to steel bushing 1, by steel bushing 1 by high frequency plasma heating 8 ~ 12 seconds, steel bushing 1 temperature reaches more than 400 DEG C; High-frequency plasma generation equipment is set, be made up of two coaxial quartz tubes, outer tube sleeve has a helix tube be entwined by thin copper pipe, pass to high frequency electric, high-frequency alternating magnetic field is produced in helix tube, magnetic flux change induces electromotive force, and this electromotive force responds to generation current and corresponding heat in conducting medium, makes the steel bushing 1 of the equipment that is positioned at be heated to assigned temperature rapidly;
(3) steel bushing 1 after step (2) being heated to be placed in the counterdie 3 of low-pressure die casting plant and to locate, 700 DEG C of molten aluminum water are upwards injected into mould from mold bottom, be pressurized to 800Mpa, pressurize 550MPa, make the coated steel bushing 1 of aluminium water, aluminium water condensation forms the end cap 2 that density is high, intensity is high, stability is high, and shaping end cap 2 armfuls is in patrix, during the demoulding, thimble ejects steel bushing 1 from top to bottom, and end cap 2 comes off; Different from general low pressure casting force value 400Mpa, the utility model is pressurized to 800Mpa, pressurize 550MPa, namely ensure that end cap 2 density after coagulation forming is high, intensity is high, stability is high, ensure that end cap 2 is good with the conjugation of steel bushing 1 simultaneously, and make the end cap after coagulation forming 2 hold tightly on patrix, be convenient to the follow-up demoulding;
Liquid level pressurizing control system based on Fuzzy Adaptive PID is set in low-pressure die casting plant, fuzzy reasoning is carried out according to fuzzy control rule, online pid parameter is revised, this control system comprises PLC, analog input/output module, pressure transmitter, servo electromagnetic valve, this set-up of control system, in low-pressure die casting plant, ensures in low pressure die casting process and the force value of pressure maintaining period reaches setting numerical value;
By the CFD fluid emulation module in the ANSYS finite element software of computer and Thermal module, change of temperature field simulation model is closed in the flow field set up in the low pressure casting filling and solidification processess of the end cap 2 embedding different temperatures steel bushing 1, numerical simulation calculation is adopted to obtain the flow regime of liquid metal in casting mold, pressure distribution, VELOCITY DISTRIBUTION and Temperature Distribution, the volume gas that prediction foundry goods exists, slag inclusion, the defect of shrinkage porosite and shrinkage cavity, and analyze steel bushing 1 temperature (more than 400 DEG C) obtained needed for actual production, pouring pressure (is pressurized to 800Mpa, pressurize 550MPa), with the technological parameter of pouring temperature (700 DEG C), the technological parameter of pouring pressure is sent in liquid level pressurizing control system, control the pressure of cast,
(4) form defiber between step (3) steel bushing 1 and end cap 2, bearing position runs up for a long time, and the heat of generation is delivered on bearing position steel bushing 1, and steel bushing 1 has fallen thermal release in defiber position.
High frequency plasma heating work principle is when flowing through oxygen in pipe, gas is ionized generation electrodless discharge, form plasma arc, this plasma arc is stably constrained in the space of generator. now, the fresh oxygen flowing into generator is constantly ionized, and produces the plasma arc of 8000 ~ 11000K, and leaves the plasma constantly compound of arc region, gas around the energy warms discharged, thus make the oxygen flowing through light fixture be heated to temperature required for reaction.
Existing liquid level pressurizing control system many employings PID (ratio, differential, integration) controls, and the quality of PID control system performance depends on pid parameter K
p, K
iand K
dthe degree of accuracy, obtain K accurately
p, K
iand K
dparameter request sets up accurate Mathematical Modeling, and low pressure casting compression system is a large time delay, nonlinear time-varying system, is difficult to set up Mathematical Modeling accurately.Further, due in low pressure casting production process, the existence of the disturbing factors such as liquid level decline, temperature fluctuation and supply gas pressure change, even if obtain K more accurately
p, K
iand K
dparameter, fixing K
p, K
iand K
dparameter can not make whole control procedure reach optimum.Traditional PID liquid level pressurizing control system exists large, the actual pressuring curve of pressure oscillation in actual production can not the shortcoming such as tracing preset pressuring curve very well, causes casting quality difference and unstable.Artificial intelligence controls to combine with PID by the liquid level pressurizing control system based on Fuzzy Adaptive PID of the present utility model, according to the continuous on-line amending K of the working condition of low pressure casting
p, K
iand K
dparameter, can meet different pressure divergence e and pressure divergence rate of change ec to the requirement of PID Self-tuning System, improves dynamic property and the control accuracy of low-pressure casting liquid level pressurization.
Fuzzy control rule concrete methods of realizing is: △ K off-line calculation obtained
p, △ K
iwith △ K
dfuzzy control table be kept in data block DB30, DB31 and DB32 respectively, periodic interruptions tissue block OB30 calls the subprogram FC61 of inquiry fuzzy control table every 40ms, and FC61, according to the quantized value of e and ec inquiry fuzzy control table, obtains △ K
p, AK
iwith △ K
dquantized value.
For the forward and backward end cap 2 of existing new-energy automobile permanent-magnet servo motor, adopt the casting of low pressure aluminium alloy, one-shot forming, product design is smooth, camber line is clearly demarcated; In order to gain in strength, position of bearings edge steel bushing 1, solve bearing be heated bearing position distortion problem, add the hardness of bearing position.
Low pressure casting principle, reaches 400 degree by high frequency plasma heating steel bushing 1, is put on mould location, aluminium water flow is wrapped steel bushing 1, fuses into one, alleviate the weight of 40%, just achieve the instructions for use of product than the steel part of overall processing or G. Iron Castings.
The end cap 2 of aluminium matter becomes defiber with steel bushing 1 similar shape, bearing position runs up for a long time, the heat produced is delivered on bearing position steel bushing 1, steel bushing 1 has fallen thermal release in defiber position, such guarantee motor operate for a long time bearing invariant position shape, do not wear and tear, support uses same materials of aluminum alloy with end cap 2, and aluminium alloy is than the good heat dissipation effect of steel part, motor good looking appearance, has saved the cost of labor of 20%.
The utility model is not limited to above-mentioned embodiment, adopts or approximation apparatus identical with the utility model above-described embodiment, and other edge steel bushing low pressure casting motor casing front and rear covers obtained, all within protection domain of the present utility model.
Claims (4)
1. an edge steel bushing low pressure casting motor casing front and rear cover, it is characterized in that, it comprises steel bushing, and pass through low pressure casting, be coated on the end cap of steel bushing periphery, described steel bushing is provided with anticreep groove and anti-rotation groove, and described end cap is formed and anticreep groove and the suitable card convex of anti-rotation groove.
2. edge steel bushing low pressure casting motor casing front and rear cover according to claim 1, it is characterized in that, described steel bushing is hollow circuit cylinder body structure, described anticreep groove is be arranged on the circumferential groove in the middle part of steel bushing outer wall, described anti-rotation groove is the vertical groove be arranged on steel bushing outer wall, anti-rotation groove is communicated with anticreep groove, and the length of described anti-rotation groove is the half of steel bushing thickness.
3. edge steel bushing low pressure casting motor casing front and rear cover according to claim 2, it is characterized in that, described steel bushing outer wall arranges many anti-rotation grooves uniformly, and many anti-rotation grooves are arranged on the same side of anticreep groove, or are arranged on the both sides of anticreep groove.
4. edge steel bushing low pressure casting motor casing front and rear cover according to claim 3, is characterized in that, is arranged on many anti-rotation groove alignment of the both sides of anticreep groove or shifts to install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576914.2U CN204975275U (en) | 2015-07-30 | 2015-07-30 | Inlay steel bushing low pressure casting motor casing front and back end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520576914.2U CN204975275U (en) | 2015-07-30 | 2015-07-30 | Inlay steel bushing low pressure casting motor casing front and back end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204975275U true CN204975275U (en) | 2016-01-20 |
Family
ID=55109695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520576914.2U Active CN204975275U (en) | 2015-07-30 | 2015-07-30 | Inlay steel bushing low pressure casting motor casing front and back end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204975275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722575A (en) * | 2019-01-30 | 2019-05-07 | 山东鸿源新材料有限公司 | The production technology of new-energy automobile driving motor end cap |
| CN112658228A (en) * | 2020-12-30 | 2021-04-16 | 江苏文灿压铸有限公司 | Low-pressure casting process of motor casing of new energy automobile |
-
2015
- 2015-07-30 CN CN201520576914.2U patent/CN204975275U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722575A (en) * | 2019-01-30 | 2019-05-07 | 山东鸿源新材料有限公司 | The production technology of new-energy automobile driving motor end cap |
| CN112658228A (en) * | 2020-12-30 | 2021-04-16 | 江苏文灿压铸有限公司 | Low-pressure casting process of motor casing of new energy automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105057636B (en) | Steel bushing inlay casting method for motor casing front and rear end covers and front and rear end covers | |
| JP6770505B2 (en) | A device for heating the molding surface of a mold | |
| CN101693282B (en) | Method for producing voltage-bearing aluminum alloy tank body of ultra-high voltage switch by V-process | |
| CN104128564B (en) | A kind of casting technique of Sand-Faced Metal Mould Casting spheroidal graphite cast-iron hinge ear | |
| CN204975275U (en) | Inlay steel bushing low pressure casting motor casing front and back end cover | |
| CN103231015B (en) | Device and method for quickly fabricating electrode | |
| CN102896281B (en) | A kind of have the hot box shoot core machine taking out negative pressure system | |
| CN101391283A (en) | Casting method of heat-resistant steel slime blind-tube and mold thereof | |
| CN103252452B (en) | A kind of equiax crystal moving turbine blade rough-cast method | |
| CN104043783B (en) | Small-bore high pound level valve body core for cast | |
| CN102764853B (en) | Process for induction heating gasification expanded polystyrene (EPS) evaporative pattern casting | |
| CN103952699A (en) | Selective laser melting (SLM) vacuum protection device | |
| CN202123235U (en) | Casting die with copper cooling wall | |
| CN103658599A (en) | Design method suitable for electromagnetic pump low-pressure casting mold filling technology | |
| CN110991093A (en) | Casting simulation method for replacing heat-insulating riser with riser model | |
| CN106077487A (en) | The Iron Mould Coated Sand technique of Large Crankshaft | |
| CN104907520A (en) | Processing technology for automobile engine box | |
| Qin et al. | Casting process of gate valve steel based on ProCAST simulation | |
| CN104259431A (en) | Three-screw pump copper aluminum composite bushing low pressure casting process | |
| CN102896299B (en) | A kind of production technology of film-covering sand hot corebox method casting thin-walled cooker | |
| CN204075069U (en) | A kind of separately cast test bar Special iron mould | |
| CN1125649A (en) | Electroslag casting guide blade technological process and equipment | |
| KR100560850B1 (en) | Forming apparatus of medium and high pressure with speed control condition by using electric stirring | |
| CN207971404U (en) | A kind of mold closing mechanism of iron-clad die casting machine | |
| Liu et al. | Numerical simulation on the die casting forming process of a magnesium alloy bearing block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20201104 Granted publication date: 20160120 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20231104 Granted publication date: 20160120 |