CN108574363A - A kind of plastic shell motor and its manufacturing method - Google Patents
A kind of plastic shell motor and its manufacturing method Download PDFInfo
- Publication number
- CN108574363A CN108574363A CN201810497544.1A CN201810497544A CN108574363A CN 108574363 A CN108574363 A CN 108574363A CN 201810497544 A CN201810497544 A CN 201810497544A CN 108574363 A CN108574363 A CN 108574363A
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- bearing
- boss
- plastic shell
- hole
- plate
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- 239000004033 plastic Substances 0.000 title claims abstract description 66
- 229920003023 plastic Polymers 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 32
- 239000012212 insulator Substances 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of plastic shell motor and its manufacturing methods, one of which plastic shell motor, including rotor assembly, stator module, front cover component and rear case component, rotor assembly is placed in the centre bore of stator module, front cover component includes drive end bearing bracket and front-end bearing pedestal, rear case component includes rear end cap and rear bearing block, stator module is mounted on drive end bearing bracket and rear end cap surrounds in cavity, drive end bearing bracket and rear end cap are made of plastics, plastic shell is designed to it is not one, plastic shell can be manufactured in advance in case using, it is not that integrated plastic shell does not need large-scale injection molding machine and injection mold, manufacturing cost is low.
Description
Technical field：
The present invention relates to a kind of plastic shell motor and its manufacturing methods.
Background technology：
Currently, the motor housing major part in industry is manufactured using metal material (such as iron, iron and aluminium), outside motor
Shell includes motor case and end cap, since winding overhang cannot be in direct contact metal end, needs metal end doing height,
And need to consider the Insulation Problems of winding and metal end.
To solve the above-mentioned problems, also there is plastic motor shell in industry, existing plastic shell motor, including shaft,
Rotor, stator and plastic shell, plastic shell are integrated, and rotor is mounted in shaft and is placed in the centre bore of stator, moulds
Material shell is formed by the way of mold dies for plastics hot pressing note, and stator and the rotor plastics being placed in stator center hole is complete
Closing hot pressing forms an entirety, manufactures this plastic shell, needs large-scale injection molding machine and injection mold, of high cost, repair
Difficulty, and plastic shell cannot be manufactured in advance.
Invention content：
The object of the present invention is to provide a kind of plastic shell motor and its manufacturing methods, fixed in above-mentioned background technology to solve
The problems such as molding of sub-component one plastic packaging is existing of high cost, manufacture is complicated, maintenance difficult.
The purpose of the present invention is what is be achieved by following technical proposals.
A kind of plastic shell motor, including rotor assembly, stator module, front cover component and rear case component, rotor assembly are set
In the centre bore of stator module, the front cover component includes drive end bearing bracket and front-end bearing pedestal, after the rear case component includes
End cap and rear bearing block, the stator module is mounted on drive end bearing bracket and rear end cap surrounds in cavity, and the drive end bearing bracket is with after
End cap is made of plastics.
Drive end bearing bracket described above includes front end-plate and front side wall, and front through hole is provided on front end-plate, and front-end bearing pedestal is mounted on
In front through hole, the rear end cap includes end plate and rear wall, and rear through-hole is provided on end plate, and rear bearing block leads to after being mounted on
It is respectively equipped with bearing chamber on Kong Li, front-end bearing pedestal and rear bearing block, bearing is installed inside bearing chamber, the rotor assembly includes
At least one diameter is greater than or equal to the diameter of centre bore in shaft, bearing support shaft, the front through hole and rear through-hole, fixed
Sub-component and front side wall and rear wall loose fit are provided with front boss on the front end-plate, are provided on the end plate rear convex
Platform, stator module include stator core, and front boss and rear boss are contacted with stator core both ends of the surface respectively, and stator module is consolidated
It is scheduled in cavity.
Drive end bearing bracket described above includes front end-plate and front side wall, and front through hole is provided on front end-plate, and front-end bearing pedestal is mounted on
In front through hole, the rear end cap includes end plate and rear wall, and rear through-hole is provided on end plate, and rear bearing block leads to after being mounted on
It is respectively equipped with bearing chamber on Kong Li, front-end bearing pedestal and rear bearing block, bearing is installed inside bearing chamber, the rotor assembly includes
Shaft, bearing support shaft, stator module and front side wall and rear wall loose fit are provided with front boss on the front end-plate, institute
It states and is provided with rear boss on end plate, stator module includes stator core, recessed before being provided in the both ends of the surface of the stator core
Slot and rearward recess are coordinated by front boss and forward recess, and stator module is fixed in cavity by rear boss with rearward recess cooperation.
Drive end bearing bracket and front-end bearing pedestal described above are integrated, and the drive end bearing bracket includes front end-plate and front side wall, before described
Bearing block is arranged at the middle part of front end-plate, the rear end cap and rear bearing block be it is integrated, the rear end cap include end plate and
Rear wall, the rear bearing block, which is arranged on the middle part of end plate, front-end bearing pedestal and rear bearing block, is respectively equipped with bearing chamber, bearing
Bearing is installed, the rotor assembly includes shaft, bearing support shaft, stator module and front side wall and rear wall pine inside room
Coordinating, is provided with front boss on the front end-plate, rear boss is provided on the end plate, stator module includes stator core,
It is provided with forward recess and rearward recess in the both ends of the surface of the stator core, is coordinated by front boss and forward recess, rear boss is with after
Stator module is fixed in cavity by groove cooperation.
Stator module described above includes insulating part, and the stator core end face includes being covered with dielectric insulator segments and not
Cover dielectric insulator segments, do not cover dielectric insulator segments and be in around centre bore, the front boss and rear boss respectively with stator
Iron core both ends of the surface do not cover dielectric insulator segments contact.
The diameter of front through hole described above and rear through-hole is equal, and more than or equal to the diameter of centre bore.
Front boss described above is an annular convex platform, and the rear boss is an annular convex platform, and the front boss is with after
The interior circular diameter of boss is greater than or equal to the diameter of centre bore.
Front-end bearing pedestal and rear bearing block described above is made of metal.
Front-end bearing pedestal and rear bearing block described above is made of plastics.
Front boss described above is a cylindrical end tangs, and the forward recess is a cylindrical groove, and the rear boss is
A cylindrical end tangs, the rearward recess are a cylindrical grooves.
A kind of manufacturing method of plastic shell motor, it is described for manufacturing a kind of plastic shell motor described above
Manufacturing method includes following process：Process a)：By guiding module core radial positioning, be oriented to mold core be located in drive end bearing bracket middle part or
The middle part of person's rear end cap, stator module are sleeved on the outside for being oriented to mold core；Process b)：Rear end cap is fixedly mounted on drive end bearing bracket
Or drive end bearing bracket is fixedly mounted on rear end cap；Process c)：It is fitted into a bearing block, i.e., front-end bearing pedestal is mounted on front end
It covers or rear bearing block is mounted on rear end cap；Process d)：It takes out and is oriented to mold core, be packed into rotor assembly, i.e.,：From drive end bearing bracket
The rear through-hole of front through hole or rear end cap take out be oriented to mold core, then by the rotor assembly equipped with bearing from the front through hole of drive end bearing bracket or after
It is packed into the centre bore of stator module in the rear through-hole of end cap；Process e)：It is fitted into another bearing block, i.e., by rear bearing block
It is mounted on drive end bearing bracket on rear end cap or by front-end bearing pedestal.
A kind of manufacturing method of plastic shell motor, it is described for manufacturing a kind of plastic shell motor described above
Manufacturing method is：The drive end bearing bracket and rear end cap are manufactured using the method for mold injection or mechanical processing.
A kind of manufacturing method of plastic shell motor, it is described for manufacturing a kind of plastic shell motor described above
Manufacturing method is：The front cover component and rear case component are manufactured using the method for mold injection or mechanical processing.
Compared with prior art, the present invention having the following effects that：
1) a kind of plastic shell motor, including rotor assembly, stator module, front cover component and rear case component, rotor assembly
It is placed in the centre bore of stator module, front cover component includes drive end bearing bracket and front-end bearing pedestal, and rear case component includes rear end cap and rear axle
Bearing, stator module is mounted on drive end bearing bracket and rear end cap surrounds in cavity, and drive end bearing bracket and rear end cap are made of plastics, plastics
At not being one, plastic shell can manufacture in case use shelling machine in advance, not be that integrated plastic shell does not need large size
Injection molding machine and injection mold, manufacturing cost is low, processing is simple, at low cost, repair be easy.
2) drive end bearing bracket includes front end-plate and front side wall, and front through hole is provided on front end-plate, and front-end bearing pedestal is mounted on front through hole
In, the rear end cap includes end plate and rear wall, and rear through-hole is provided on end plate, and rear bearing block is mounted in rear through-hole,
It is respectively equipped with bearing chamber on front-end bearing pedestal and rear bearing block, bearing is installed inside bearing chamber, the rotor assembly includes shaft,
At least one diameter is greater than or equal to the diameter of centre bore, stator pack in bearing support shaft, the front through hole and rear through-hole
Part and front side wall and rear wall loose fit are provided with front boss on the front end-plate, rear boss are provided on the end plate, fixed
Sub-component includes stator core, and front boss and rear boss are contacted with stator core both ends of the surface respectively, and stator module is fixed on
In cavity.Drive end bearing bracket and front-end bearing pedestal, rear end cap is separately positioned with rear bearing block, and it is radial fixed to be carried out using special assembly technology
Position so that the concentricity of front-end bearing pedestal and rear bearing block is high, and front boss, rear boss carry out axial limiting to stator module, in this way
Structure operation it is convenient and axially and radially limit is accurate and stablizes.
3) drive end bearing bracket includes front end-plate and front side wall, and front through hole is provided on front end-plate, and front-end bearing pedestal is mounted on front through hole
In, the rear end cap includes end plate and rear wall, and rear through-hole is provided on end plate, and rear bearing block is mounted in rear through-hole,
It is respectively equipped with bearing chamber on front-end bearing pedestal and rear bearing block, bearing is installed inside bearing chamber, the rotor assembly includes shaft,
Bearing support shaft, stator module and front side wall and rear wall loose fit are provided with front boss, the rear end on the front end-plate
Rear boss is provided on plate, stator module includes stator core, and forward recess is provided in the both ends of the surface of the stator core with after
Groove is coordinated by front boss and forward recess, and stator module is fixed in cavity by rear boss with rearward recess cooperation, such knot
Structure is coordinated by front boss and forward recess, and rear boss axially and radially limits stator module with rearward recess cooperation, to
Improve concentricity.
4) drive end bearing bracket and front-end bearing pedestal are integrated, and the drive end bearing bracket includes front end-plate and front side wall, the front-end bearing pedestal
It is arranged at the middle part of front end-plate, the rear end cap and rear bearing block are integrated, and the rear end cap includes end plate and rear wall,
The rear bearing block, which is arranged on the middle part of end plate, front-end bearing pedestal and rear bearing block, is respectively equipped with bearing chamber, inside bearing chamber
Bearing is installed, the rotor assembly includes shaft, bearing support shaft, stator module and front side wall and rear wall loose fit,
It is provided with front boss on the front end-plate, rear boss is provided on the end plate, stator module includes stator core, described fixed
It is provided with forward recess and rearward recess in the both ends of the surface of sub- iron core, is coordinated by front boss and forward recess, rear boss is matched with rearward recess
Stator module is fixed in cavity by conjunction, and such structure is coordinated by front boss and forward recess, and rear boss coordinates with rearward recess
Stator module is axially and radially limited, to improve concentricity.
5) stator module includes insulating part, and the stator core end face is including being covered with dielectric insulator segments and not covering insulation
Part part does not cover dielectric insulator segments and is in around centre bore, front boss and rear boss respectively with stator core both ends of the surface
Dielectric insulator segments contact is not covered, it is simple in structure to carry out axial limiting to stator module, it is simple for process.
6) diameter of front through hole and rear through-hole is equal, and more than or equal to the diameter of centre bore, is conducive to improve motor
Concentricity is conducive to motor assembly.
7) front boss described above is annular convex platform, and the rear boss is an annular convex platform, the front boss and
The interior circular diameter of rear boss is greater than or equal to the diameter of centre bore, and annular convex platform convenience does not cover insulation with stator core end face
Part part coordinates.
8) front-end bearing pedestal and rear bearing block described in are made of metal, are conducive to install bearing.
9) front-end bearing pedestal and rear bearing block are made of plastics, and bearing block is one with end cap, and is same material,
Facilitate manufacture.
10) manufacturing method of a kind of plastic shell motor of the present invention, including process a)：By guiding module core diameter to
Positioning is oriented to mold core and is located in the middle part of drive end bearing bracket or the middle part of rear end cap, and stator module is sleeved on the outside for being oriented to mold core；
Process b)：Rear end cap is fixedly mounted on drive end bearing bracket or drive end bearing bracket is fixedly mounted on rear end cap；Process c)：It is fitted into
Front-end bearing pedestal is mounted on drive end bearing bracket or rear bearing block is mounted on rear end cap by one bearing block；Process d)：Taking-up is led
To mold core, it is packed into rotor assembly, i.e.,：The rear through-hole of front through hole or rear end cap from drive end bearing bracket, which takes out, is oriented to mold core, then will be equipped with
The rotor assembly of bearing is packed into from the rear through-hole of the front through hole of drive end bearing bracket or rear end cap in the centre bore of stator module；Process
e)：It is fitted into another bearing block, i.e., rear bearing block is mounted on rear end cap or front-end bearing pedestal is mounted on drive end bearing bracket,
This method is simple, convenient, accurate positioning.
11) a kind of manufacturing method of plastic shell motor, the manufacturing method are：The drive end bearing bracket and rear end cap are to adopt
It is manufactured with the method for mold injection or mechanical processing, does not need large-scale equipment injection molding, manufacturing cost is low, simple for process.
Description of the drawings：
Fig. 1 is the stereogram for the motor that the embodiment of the present invention one provides；
Fig. 2 is the explosive view for the motor that the embodiment of the present invention one provides；
Fig. 3 is the diagrammatic cross-section for the motor that the embodiment of the present invention one provides；
Fig. 4 is the stereogram for the drive end bearing bracket that the embodiment of the present invention one provides；
Fig. 5 is the diagrammatic cross-section for the drive end bearing bracket that the embodiment of the present invention one provides；
Fig. 6 is the diagrammatic cross-section of motor provided by Embodiment 2 of the present invention；
Fig. 7 is the partial enlarged view of A in Fig. 6；
Fig. 8 is the stereogram of drive end bearing bracket provided by Embodiment 2 of the present invention；
Fig. 9 is the diagrammatic cross-section for the motor that the embodiment of the present invention three provides；
Figure 10 is the stereogram for the drive end bearing bracket that the embodiment of the present invention three provides.
Specific implementation mode：
Below by specific embodiment and in conjunction with attached drawing, the present invention is described in further detail.
Embodiment one：
As shown in Fig. 1 to Fig. 3, Fig. 6, Fig. 9, a kind of plastic shell motor, including rotor assembly 1, stator module 2, protecgulum
Component 3 and rear case component 4, rotor assembly 1 are placed in the centre bore 20 of stator module 2, and the front cover component 3 includes drive end bearing bracket
31 and front-end bearing pedestal 32, the rear case component 4 includes rear end cap 41 and rear bearing block 42, and the stator module 2 is mounted on
Drive end bearing bracket 31 and rear end cap 41 surround in cavity 5, and the drive end bearing bracket 31 and rear end cap 41 are made of plastics.
As shown in Figures 1 to 5, specifically, the drive end bearing bracket 31 includes front end-plate 311 and front side wall 312, front end-plate 311
On be provided with front through hole 313, front-end bearing pedestal 32 is mounted in front through hole 313, and the rear end cap 41 includes end plate 411 and rear side
Wall 412 is provided with rear through-hole 413 on end plate 411, and rear bearing block 42 is mounted in rear through-hole 413, front-end bearing pedestal 32 and rear axle
It is respectively equipped with bearing chamber in bearing 42, bearing 6 is installed inside bearing chamber, the rotor assembly 1 includes shaft 11,6, bearing
Shaft 11 is supportted, at least one diameter H1 is greater than or equal to the diameter h of centre bore 20 in the front through hole 313 and rear through-hole 413,
Stator module 2 and 412 loose fit of front side wall 312 and rear wall are provided with front boss 314, the rear end on the front end-plate 311
Be provided with rear boss 414 on plate 411, stator module 2 includes stator core 21, front boss 314 and rear boss 414 respectively with stator
21 both ends of the surface of iron core contact, and stator module 2 is fixed in cavity 5.
As shown in Figure 3, it is preferred that the stator module 2 includes insulating part 22, and 21 end face of the stator core includes covering
It is stamped dielectric insulator segments 213 and does not cover dielectric insulator segments 214, do not cover dielectric insulator segments 214 and be in around centre bore 20,
The front boss 314 and rear boss 414 are contacted with the dielectric insulator segments 214 that do not cover of 21 both ends of the surface of stator core respectively.
As shown in Figure 3 and Figure 5, it is preferred that the front through hole 313 is equal with the diameter of rear through-hole 413, and is greater than or equal to
The diameter of centre bore 20.
As shown in Figure 4, it is preferred that the front boss 314 is an annular convex platform, and the rear boss 414 is an annular
The interior circular diameter H2 of boss, the front boss 314 and rear boss 414 is greater than or equal to the diameter h of centre bore 20.
Preferably, the front-end bearing pedestal 32 and rear bearing block 42 are made of metal.
Embodiment two：
As shown in figures 1 to 6, a kind of plastic shell motor, including rotor assembly 1, stator module 2, front cover component 3 and after
Cap assemblies 4, rotor assembly 1 are placed in the centre bore 20 of stator module 2, and the front cover component 3 includes drive end bearing bracket 31 and front axle
Bearing 32, the rear case component 4 include rear end cap 41 and rear bearing block 42, and the stator module 2 is mounted on drive end bearing bracket 31
It is surrounded in cavity 5 with rear end cap 41, the drive end bearing bracket 31 and rear end cap 41 are made of plastics.
As shown in Figure 6 to 8, specifically, the drive end bearing bracket 31 includes front end-plate 311 and front side wall 312, front end-plate 311
On be provided with front through hole 313, front-end bearing pedestal 32 is mounted in front through hole 313, and the rear end cap 41 includes end plate 411 and rear side
Wall 412 is provided with rear through-hole 413 on end plate 411, and rear bearing block 42 is mounted in rear through-hole 413, front-end bearing pedestal 32 and rear axle
It is respectively equipped with bearing chamber in bearing 42, bearing 6 is installed inside bearing chamber, the rotor assembly 1 includes shaft 11,6, bearing
Shaft 11, stator module 2 and 412 loose fit of front side wall 312 and rear wall are supportted, front boss is provided on the front end-plate 311
314, it is provided with rear boss 414 on the end plate 411, stator module 2 includes stator core 21, and the two of the stator core 21
Be provided with forward recess 211 and rearward recess 212 on end face, coordinated by front boss 314 and forward recess 211, rear boss 414 with it is rear recessed
Stator module 2 is fixed in cavity 5 by the cooperation of slot 212.
Preferably, the front-end bearing pedestal 32 and rear bearing block 42 are made of metal.
As shown in Figure 8, it is preferred that the front boss 314 is a cylindrical end tangs, and the forward recess 211 is a cylindricality
Groove, the rear boss 414 are a cylindrical end tangs, and the rearward recess 212 is a cylindrical groove.
Embodiment three：
As shown in Fig. 9 to Figure 10, a kind of plastic shell motor, including rotor assembly 1, stator module 2,3 and of front cover component
Rear case component 4, rotor assembly 1 are placed in the centre bore 20 of stator module 2, and the front cover component 3 includes drive end bearing bracket 31 with before
Bearing block 32, the rear case component 4 include rear end cap 41 and rear bearing block 42, and the stator module 2 is mounted on drive end bearing bracket
31 and rear end cap 41 surround in cavity 5, the drive end bearing bracket 31 and rear end cap 41 are made of plastics.
Specifically, the drive end bearing bracket 31 and front-end bearing pedestal 32 are integrated, the drive end bearing bracket 31 includes front end-plate 311 with before
Side wall 312, the front-end bearing pedestal 32 are arranged at the middle part of front end-plate 311, the rear end cap 41 and rear bearing block 42 be it is integrated,
The rear end cap 41 includes end plate 411 and rear wall 412, and the rear bearing block 42 is arranged in the middle part of end plate 411, front axle
It is respectively equipped with bearing chamber in bearing 32 and rear bearing block 42, bearing 6 is installed inside bearing chamber, the rotor assembly 1 includes turning
Axis 11, bearing 6 support shaft 11, stator module 2 and 412 loose fit of front side wall 312 and rear wall, are set on the front end-plate 311
It is equipped with front boss 314, rear boss 414 is provided on the end plate 411, stator module 2 includes stator core 21, the stator
It is provided with forward recess 211 and rearward recess 212 in the both ends of the surface of iron core 21, is coordinated by front boss 314 and forward recess 211, it is rear convex
Stator module 2 is fixed in cavity 5 by platform 414 with the cooperation of rearward recess 212.
Preferably, the front-end bearing pedestal 32 and rear bearing block 42 are made of plastics.
As shown in Figure 10, it is preferred that the front boss 314 is a cylindrical end tangs, and the forward recess 211 is a cylindricality
Groove, the rear boss 414 are a cylindrical end tangs, and the rearward recess 212 is a cylindrical groove.
Example IV：
A kind of manufacturing method of plastic shell motor, for manufacturing a kind of plastic shell motor described in embodiment one, institute
The manufacturing method stated includes following process：
Process a)：By guiding module core radial positioning, it is oriented to middle part or rear end cap 41 that mold core is located in drive end bearing bracket 31
Middle part, stator module 2 be sleeved on be oriented to mold core outside；
Process b)：Rear end cap 41 is fixedly mounted on drive end bearing bracket 31 or drive end bearing bracket 31 is fixedly mounted on rear end cap 41
On；
Process c)：It is fitted into a bearing block, i.e., front-end bearing pedestal 32 is mounted on drive end bearing bracket 31 or by rear bearing block
42 are mounted on rear end cap 41；
Process d)：It takes out and is oriented to mold core, be packed into rotor assembly, i.e.,：From the front through hole 313 of drive end bearing bracket 31 or rear end cap 41
Through-hole 413, which takes out, afterwards is oriented to mold core, then by the rotor assembly 1 equipped with bearing 6 from the front through hole 313 or rear end cap 41 of drive end bearing bracket 31
Rear through-hole 413 in be packed into stator module 2 centre bore 20 in；
Process d)：It is fitted into another bearing block, i.e., rear bearing block 42 is mounted on rear end cap 41 or by fore bearing
Seat 32 is mounted on drive end bearing bracket 31.
Embodiment five：
A kind of manufacturing method of plastic shell motor, for manufacturing outside a kind of plastics described in embodiment one and embodiment two
Shell motor, the manufacturing method are：Drive end bearing bracket 31 and rear end cap 41 are made using the method for mold injection or mechanical processing
It makes.
Embodiment six：
A kind of manufacturing method of plastic shell motor, for manufacturing a kind of plastic shell motor described in embodiment three, institute
The manufacturing method stated is：Front cover component 3 and rear case component 4 are manufactured using the method for mold injection or mechanical processing.
Above example is the better embodiment of the present invention, and embodiments of the present invention are not limited thereto, other are any
Changes, modifications, substitutions, combinations, simplifications made by without departing from the spirit and principles of the present invention are equivalent displacement side
Formula is included within the scope of the present invention.
Claims (13)
1. a kind of plastic shell motor, including rotor assembly (1), stator module (2), front cover component (3) and rear case component (4),
The centre bore (20) that rotor assembly (1) is placed in stator module (2) is inner, the front cover component (3) include drive end bearing bracket (31) and before
Bearing block (32), the rear case component (4) include rear end cap (41) and rear bearing block (42), the stator module (2) peace
It is inner that cavity (5) is surrounded mounted in drive end bearing bracket (31) and rear end cap (41), it is characterised in that：The drive end bearing bracket (31) and rear end cap
(41) it is made of plastics.
2. a kind of plastic shell motor according to claim 1, it is characterised in that：The drive end bearing bracket (31) includes front end-plate
(311) and front side wall (312) front through hole (313), is provided on front end-plate (311), front-end bearing pedestal (32) is mounted on front through hole
(313) inner, the rear end cap (41) includes end plate (411) and rear wall (412), and end plate is provided with rear through-hole on (411)
(413), rear bearing block (42) is inner mounted on rear through-hole (413), and axis is respectively equipped on front-end bearing pedestal (32) and rear bearing block (42)
Room to be held, bearing (6) is installed inside bearing chamber, the rotor assembly (1) includes shaft (11), and bearing (6) supports shaft (11),
At least one diameter H1 is greater than or equal to the diameter h of centre bore (20) in the front through hole (313) and rear through-hole (413), fixed
Sub-component (2) and front side wall (312) and rear wall (412) loose fit are provided with front boss (314) on the front end-plate (311),
Be provided with rear boss (414) on the end plate (411), stator module (2) includes stator core (21), front boss (314) and
Rear boss (414) is contacted with stator core (21) both ends of the surface respectively, and it is inner that stator module (2) is fixed on cavity (5).
3. a kind of plastic shell motor according to claim 1, it is characterised in that：The drive end bearing bracket (31) includes front end-plate
(311) and front side wall (312) front through hole (313), is provided on front end-plate (311), front-end bearing pedestal (32) is mounted on front through hole
(313) inner, the rear end cap (41) includes end plate (411) and rear wall (412), and end plate is provided with rear through-hole on (411)
(413), rear bearing block (42) is inner mounted on rear through-hole (413), and axis is respectively equipped on front-end bearing pedestal (32) and rear bearing block (42)
Room to be held, bearing (6) is installed inside bearing chamber, the rotor assembly (1) includes shaft (11), and bearing (6) supports shaft (11),
Stator module (2) and front side wall (312) and rear wall (412) loose fit are provided with front boss on the front end-plate (311)
(314), rear boss (414) is provided on the end plate (411), stator module (2) includes stator core (21), the stator
It is provided with forward recess (211) and rearward recess (212) in the both ends of the surface of iron core (21), passes through front boss (314) and forward recess (211)
Cooperation, rear boss (414) and rearward recess (212) coordinate that stator module (2) is fixed on cavity (5) is inner.
4. a kind of plastic shell motor according to claim 1, it is characterised in that：The drive end bearing bracket (31) and front-end bearing pedestal
(32) it is integrated, the drive end bearing bracket (31) includes front end-plate (311) and front side wall (312), front-end bearing pedestal (32) setting
Middle part in front end-plate (311), the rear end cap (41) and rear bearing block (42) are integrated, after the rear end cap (41) includes
End plate (411) and rear wall (412), the rear bearing block (42) setting at the middle part of end plate (411), front-end bearing pedestal (32) and
It is respectively equipped with bearing chamber on rear bearing block (42), bearing (6) is installed inside bearing chamber, the rotor assembly (1) includes shaft
(11), bearing (6) support shaft (11), stator module (2) and front side wall (312) and rear wall (412) loose fit, the front end
It is provided with front boss (314) on plate (311), rear boss (414) is provided on the end plate (411), stator module (2) includes
Stator core (21) is provided with forward recess (211) and rearward recess (212) in the both ends of the surface of the stator core (21), by preceding
Boss (314) coordinates with forward recess (211), and rear boss (414) coordinates with rearward recess (212) is fixed on sky by stator module (2)
Chamber (5) is inner.
5. a kind of plastic shell motor according to claim 2, it is characterised in that：The stator module (2) includes exhausted
Edge part (22), stator core (21) end face is including being covered with dielectric insulator segments (213) and not covering dielectric insulator segments
(214), it does not cover dielectric insulator segments (214) to be in around centre bore (20), the front boss (314) and rear boss (414)
It is contacted respectively with the dielectric insulator segments (214) that do not cover of stator core (21) both ends of the surface.
6. a kind of plastic shell motor according to claim 2, it is characterised in that：The front through hole (313) and rear through-hole
(413) diameter is equal, and more than or equal to the diameter of centre bore (20).
7. a kind of plastic shell motor according to claim 2, it is characterised in that：The front boss (314) is a ring
Shape boss, the rear boss (414) are an annular convex platform, the interior circular diameter H2 of the front boss (314) and rear boss (414)
More than or equal to the diameter h of centre bore (20).
8. a kind of plastic shell motor according to Claims 2 or 3 or 5 or 6 or 7, it is characterised in that：The fore bearing
Seat (32) and rear bearing block (42) are made of metal.
9. a kind of plastic shell motor according to claim 4, it is characterised in that：The front-end bearing pedestal (32) and rear axle
Bearing (42) is made of plastics.
10. a kind of plastic shell motor according to claim 3 or 4 or 9, it is characterised in that：The front boss (314)
It is a cylindrical end tangs, the forward recess (211) is a cylindrical groove, and the rear boss (414) is a cylindrical end tangs, described
Rearward recess (212) be cylindrical groove.
11. a kind of manufacturing method of plastic shell motor, it is characterised in that：Described in manufacturing claims 2 or 5 or 6 or 7
A kind of plastic shell motor, the manufacturing method include following process：
Process a)：By guiding module core radial positioning, it is oriented to middle part or rear end cap (41) that mold core is located in drive end bearing bracket (31)
Middle part, stator module (2) be sleeved on be oriented to mold core outside；
Process b)：Rear end cap (41) is fixedly mounted on drive end bearing bracket (31) or drive end bearing bracket (31) is fixedly mounted on rear end cap (41)
On；
Process c)：It is fitted into a bearing block, i.e., front-end bearing pedestal (32) is mounted on drive end bearing bracket (31) or by rear bearing block
(42) it is mounted on rear end cap (41)；
Process d)：It takes out and is oriented to mold core, be packed into rotor assembly, i.e.,：Front through hole (313) or rear end cap (41) from drive end bearing bracket (31)
Rear through-hole (413) take out and be oriented to mold core, then the rotor assembly (1) of bearing (6) will be housed from the front through hole of drive end bearing bracket (31)
(313) or in the rear through-hole of rear end cap (41) (413) centre bore (20) for being packed into stator module (2) is inner；
Process e)：It is fitted into another bearing block, i.e., rear bearing block (42) is mounted on rear end cap (41) or by fore bearing
Seat (32) is mounted on drive end bearing bracket (31).
12. a kind of manufacturing method of plastic shell motor, it is characterised in that：For manufacturing claims 2 or 3 or 5 or 6 or 7 or 8
A kind of plastic shell motor, the manufacturing method are：Drive end bearing bracket (31) and rear end cap (41) are to use mold injection
Or the method for mechanical processing manufactures.
13. a kind of manufacturing method of plastic shell motor, it is characterised in that：For a kind of modeling described in manufacturing claims 4 or 9
The outer shell motor of material, the manufacturing method are：Front cover component (3) and rear case component (4) are to use mold injection or mechanical processing
Method manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497544.1A CN108574363B (en) | 2018-05-22 | 2018-05-22 | Plastic shell motor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497544.1A CN108574363B (en) | 2018-05-22 | 2018-05-22 | Plastic shell motor and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108574363A true CN108574363A (en) | 2018-09-25 |
| CN108574363B CN108574363B (en) | 2024-04-30 |
Family
ID=63572117
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810497544.1A Active CN108574363B (en) | 2018-05-22 | 2018-05-22 | Plastic shell motor and manufacturing method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN108574363B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895167A (en) * | 2009-05-24 | 2010-11-24 | 中山大洋电机股份有限公司 | Plastic shell motor |
| CN202178625U (en) * | 2011-08-04 | 2012-03-28 | 中山大洋电机制造有限公司 | Motor with plastic housing |
| CN203135653U (en) * | 2012-12-28 | 2013-08-14 | 中山大洋电机制造有限公司 | Plastic-packaged motor |
| CN203387325U (en) * | 2013-07-29 | 2014-01-08 | 湖北惠洋电器制造有限公司 | Plastic-packaged motor |
| CN207304327U (en) * | 2017-09-20 | 2018-05-01 | 常州迈特运控电机有限公司 | A kind of combination type electric motor end cap press-fitting tool |
| CN208424015U (en) * | 2018-05-22 | 2019-01-22 | 中山大洋电机股份有限公司 | A kind of plastic shell motor |
-
2018
- 2018-05-22 CN CN201810497544.1A patent/CN108574363B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895167A (en) * | 2009-05-24 | 2010-11-24 | 中山大洋电机股份有限公司 | Plastic shell motor |
| CN202178625U (en) * | 2011-08-04 | 2012-03-28 | 中山大洋电机制造有限公司 | Motor with plastic housing |
| CN203135653U (en) * | 2012-12-28 | 2013-08-14 | 中山大洋电机制造有限公司 | Plastic-packaged motor |
| CN203387325U (en) * | 2013-07-29 | 2014-01-08 | 湖北惠洋电器制造有限公司 | Plastic-packaged motor |
| CN207304327U (en) * | 2017-09-20 | 2018-05-01 | 常州迈特运控电机有限公司 | A kind of combination type electric motor end cap press-fitting tool |
| CN208424015U (en) * | 2018-05-22 | 2019-01-22 | 中山大洋电机股份有限公司 | A kind of plastic shell motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108574363B (en) | 2024-04-30 |
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