CN203708042U - Motor end cover press fitting tool - Google Patents
Motor end cover press fitting tool Download PDFInfo
- Publication number
- CN203708042U CN203708042U CN201320874398.2U CN201320874398U CN203708042U CN 203708042 U CN203708042 U CN 203708042U CN 201320874398 U CN201320874398 U CN 201320874398U CN 203708042 U CN203708042 U CN 203708042U
- Authority
- CN
- China
- Prior art keywords
- end cap
- cavity
- supporting die
- electric motor
- ring
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- 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.)
- Expired - Fee Related
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 36
- 230000007704 transition Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 12
- 230000002950 deficient Effects 0.000 abstract description 3
- 238000002788 crimping Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 230000006735 deficit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 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 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model provides a press mounting tool for a motor end cover, which comprises a lower pressing die and a supporting die, wherein the lower part of the lower pressing die is provided with a first cavity, and a pressing ring protruding out of the bottom surface of the lower pressing die is formed around the bottom opening of the first cavity; the upper part of the supporting die is provided with a second cavity, a central guide hole for guiding the motor rotor shaft is arranged below the second cavity, the central guide hole is coaxial with the second cavity, the top end of the central guide hole is communicated with the second cavity, and a supporting ring protruding out of the top surface of the supporting die is formed around the opening at the top of the second cavity; the inner peripheral surface of the first cavity and the inner peripheral surface of the second cavity are respectively positioning surfaces for positioning the motor end cover. The utility model discloses guaranteed the axiality of motor end cover and bearing, make rotor bearing can more smoothly lead to the bearing room of motor end cover, improved rotor bearing's leading-in efficiency, reduced the artificial damage factor of bearing in the assembling process, reduced the axle sound defective rate of motor, guaranteed the quality level of motor product.
Description
Technical field
The utility model relates to field of motor manufacturing, specifically a kind of for the end cap of motor is pressed into the frock in motor stator mouth, applicable to the end cover riveting technique of the press-mounting of end cover of various motors, particularly plastic packaging motor.
Background technology
At present, in motor manufacturing, the technique that rotor, end cap, stator module are press-fited is generally to rely on aerostatic press riveting to carry out, not only press-fit monolateral bias, and because bearing permissible accuracy is higher, therefore, in the process that press-fits rotor, very easily there is deviation and damage bearing, thereby cause press-fiting quality cost and cannot guaranteeing of motor, material cost increases.In addition, hand-guided imports rotor cannot guarantee the center accurate location that bearing coordinates with end cap, needs constantly to adjust, thereby cause rotor to put into time-consuming, effort and difficult quality guarantee in the process of putting into.
Utility model content
The purpose of this utility model is to overcome above shortcoming with not enough, provides a kind of electric motor end cap press-fitting tool, effectively to improve operating efficiency, to reduce production costs, guarantee product quality level.
For achieving the above object, the utility model provides a kind of electric motor end cap press-fitting tool, comprise dip mold and supporting die, described supporting die is fixed on workbench, described dip mold liftable be arranged on movably described supporting die directly over, and described dip mold and described supporting die in the vertical direction have common axis; The bottom of described dip mold has cylindrical circular the first cavity, and the bottom opening of this first cavity is formed with the pressure ring that protrudes from described dip mold bottom surface around; The top of described supporting die has cylindrical circular the second cavity, the below of this second cavity has the centre pilot hole for rotor axis of electric is led, this centre pilot hole and described the second cavity coaxial line, and the top in this centre pilot hole is connected with described the second cavity, the open top of described the second cavity is formed with the support ring that protrudes from described supporting die end face around; Wherein, the inner peripheral surface of the inner peripheral surface of described the first cavity and described the second cavity is respectively the locating surface for electric motor end cap is positioned.
By adopting such scheme, the utility model has guaranteed the axiality of electric motor end cap and bearing, rotor bearing can more successfully be imported in the bearing chamber of electric motor end cap, improve the importing efficiency of rotor bearing, reduce the artificial impairment factor of bearing in assembling process, the axle that has reduced motor rings fraction defective, has guaranteed the quality level of motor product.
Further, the outer peripheral face equal diameters of the First Transition chamber of the first end cap in the middle of the inner peripheral surface diameter of described the first cavity and described electric motor end cap, the outer peripheral face equal diameters of the second transition chamber thereof of the second end cap in the middle of the inner peripheral surface diameter of described the second cavity and described electric motor end cap.
Further, the width of described pressure ring is less than the width of the first end cover slot of described the first end cap, and the width of described support ring is less than the width of the second end cap groove of described the second end cap.
Further, in the time that described dip mold acts on described the first end cap, pressure ring on described dip mold bottom surface is inserted in the first end cover slot of described the first end cap, wherein the inner peripheral surface of the outer peripheral face of First Transition chamber and described the first cavity matches, the groove bottom of described first end cover slot and the ring bottom surface of described pressure ring match simultaneously, between the outer ring surface of described support ring and the outer well surface of described the second end cap groove, form matched in clearance.Adopt this locate mode can guarantee better the axiality of the first end cap and dip mold.
Further, in the time that described the second end cap is mounted on described supporting die, support ring on described supporting die end face is inserted in the second end cap groove of described the second end cap, the inner peripheral surface of the outer peripheral face of wherein said the second transition chamber thereof and described the second cavity matches, the groove end face of described the second end cap groove and the top surface of ring of described support ring match simultaneously, between the outer ring surface of described pressure ring and the outer well surface of described first end cover slot, form matched in clearance.Adopt this locate mode can guarantee better the axiality of the second end cap and supporting die.
Further, described centre pilot hole and described rotor axis of electric form matched in clearance.So both guaranteed the smooth importing of armature spindle, also can prevent motor assembly double swerve and affect concentricity in the process that imports supporting die simultaneously, therefore, by armature spindle and coordinating of centre pilot hole having played good guide effect, can guarantee the second bearing and the concentricity that is placed on the second end cap on supporting die on armature spindle, the second bearing can successfully be entered in the second bearing chamber of the second end cap.
Accompanying drawing explanation
Fig. 1 is the operating state explosive view of electric motor end cap press-fitting tool of the present utility model.
Fig. 2 a is the operating state sectional block diagram of electric motor end cap press-fitting tool of the present utility model.
Fig. 2 b is the operating state sectional plain-view drawing of electric motor end cap press-fitting tool of the present utility model.
Fig. 2 c is the C partial enlarged drawing of Fig. 2 b.
Fig. 2 d is the D partial enlarged drawing of Fig. 2 b.
Fig. 3 is the outside stereogram of the first end cap in the middle of Fig. 1.
Fig. 4 is the inner side stereogram of the first end cap shown in Fig. 3.
Fig. 5 is the cutaway view Amplified image of the first end cap shown in Fig. 3.
Fig. 6 is the cutaway view Amplified image of the second end cap in the middle of Fig. 1.
Fig. 7 is the upward view of the dip mold in the middle of Fig. 1.
Fig. 8 is the A-A cutaway view of dip mold shown in Fig. 7.
Fig. 9 is the vertical view of the supporting die in the middle of Fig. 1.
Figure 10 is the B-B cutaway view of supporting die shown in Fig. 9.
Figure 11 is that electric motor end cap press-fitting tool of the present utility model is arranged on the working state schematic representation on mould bases.
Embodiment
To describe various execution mode of the present invention below in detail, embodiment wherein describes in conjunction with the accompanying drawings and hereinafter.Although the present invention describes in connection with illustrative embodiments, be to be understood that and the invention is not restricted to these illustrative embodiments.On the contrary, the present invention not only comprises these execution modes, but also comprises various distortion, improvement.
The utility model be a kind of in the middle of motor manufacture process for rotor, end cap, stator module being press-fited into the frock of finished product motor, applicable to the end cover riveting technique of the press-mounting of end cover of various motors, particularly plastic packaging motor.Shown in a-Fig. 2 d, Figure 11, electric motor end cap press-fitting tool of the present utility model mainly comprises the dip mold 1 and the supporting die 2 that are arranged on mould bases 30 as shown in Figure 1, Figure 2, and this mould bases 30 can be arranged on the workbench of aerostatic press.Mould bases 30 has lower bolster 31 and cope match-plate pattern 32, and cope match-plate pattern 32 can be connected with the cylinder rod of aerostatic press, moves with coordinating of guide pillar 34 by guide pin bushing 33 with respect to lower bolster 31 as vertical lift.Supporting die 2 is fixed on the upper surface of lower bolster 31, dip mold 1 be fixed on the lower surface of cope match-plate pattern 32 and be positioned at supporting die 2 directly over, dip mold 1 has common axis with supporting die 2 in the vertical directions.Dip mold 1 can be done to move with respect to the vertical lift of supporting die 2 with cope match-plate pattern 32.
In the middle of Fig. 1 and Fig. 2 a-Fig. 2 d, also show the motor assembly to be press-fited between dip mold 1 and supporting die 2, this motor assembly comprises rotor assembly, field frame assembly 4, the first end cap 5, the second end cap 6, Hall Plate 11 and gasket ring 12, wherein rotor assembly comprises rotor 3, armature spindle 10, clutch shaft bearing 7, the second bearing 8, magnet ring 9, clutch shaft bearing 7, magnet ring 9, rotor 3, the second bearing 8 are all fixed on armature spindle 10, when magnet ring 9 and the second bearing 8 are mounted to armature spindle 10, realize axial limiting respectively by jump ring 13,14.Rotor 3 is positioned at the rotor chamber that field frame assembly 4 forms, the first end cap 5 and the second end cap 6 lay respectively at the axial both sides of rotor 3, Hall Plate 11 is presented axially between the first end cap 5 and rotor 3, and gasket ring 12 is presented axially between the second end cap 6 and the second bearing 8.
The profile of the first end cap 5 and the second end cap 6 is basic identical, the existing structure that they are described as an example of the first end cap 5 shown in Fig. 3 to Fig. 5 example.From the appearance, the first end cap 5 is step-like structure, comprise clutch shaft bearing chamber 51, First Transition chamber 52 and be formed on the first crimping 53 of First Transition chamber 52 outer peripheral edges, the end face center of clutch shaft bearing chamber 51 has the first through hole 54, this first crimping 53 has formed the first end cover slot 55 of opening up annular, wherein First Transition chamber 52 has outer peripheral face 521, and first end cover slot 55 has groove bottom 551 and outer well surface 552.Similarly, the second end cap 6 shown in Fig. 6 has comprised the second bearing chamber 61, the second transition chamber thereof 62 and has been formed on the second crimping 63 of the second transition chamber thereof 62 outer peripheral edges, the end face center of the second bearing chamber 61 has the second through hole 64, this second crimping 63 has formed the second end cap groove 65 of downward opening annular, wherein the second transition chamber thereof 62 has outer peripheral face 621, the second end cap grooves 65 and has groove end face 651 and outer well surface 652.
As Fig. 7 and Fig. 8, the monnolithic case of dip mold 1 is cylindrical, its underpart has columnar the first cavity 101, the top of this first cavity 101 has columniform through hole 102, the bottom opening of the first cavity 101 is around formed with a circle and protrudes from the pressure ring 104 of dip mold 1 bottom surface 103, wherein the first cavity 101 has inner peripheral surface 105, and pressure ring 104 has ring bottom surface 106 and outer ring surface 107.The internal diameter (being the diameter of inner peripheral surface 105) of the first cavity 101 of dip mold 1 equates with the external diameter (being the diameter of outer peripheral face 521) of the First Transition chamber 52 of the first end cap 5.The width of pressure ring 104 is slightly less than the width of first end cover slot 55.
As Fig. 9 and Figure 10, supporting die 2 is except being provided with in bottom periphery pedestal 21, and remaining monnolithic case and dip mold 1 are substantially similar.The top of supporting die 2 has columnar the second cavity 201, and the below of this second cavity 201 has columniform centre pilot hole 102, this centre pilot hole 102 and the second cavity 201 coaxial lines, and the top in centre pilot hole 102 is connected with the second cavity 201.The open top of the second cavity 201 is around formed with a circle and protrudes from the support ring 204 of supporting die 2 end faces 203, and wherein the second cavity 201 has inner peripheral surface 205, and support ring 204 has top surface of ring 206 and outer ring surface 207.The internal diameter (being the diameter of inner peripheral surface 205) of the second cavity 201 equates with the external diameter (being the diameter of outer peripheral face 621) of the second transition chamber thereof 62.The width of support ring 204 is slightly less than the width of the second end cap groove 65.
The aperture in centre pilot hole 102 is slightly larger than the diameter of armature spindle 10, make this centre pilot hole 102 form matched in clearance with armature spindle 10, so both guaranteed the smooth importing of armature spindle 10, also can prevent motor assembly double swerve and affect concentricity in the process that imports supporting die 2 simultaneously, therefore, by armature spindle 10 and coordinating of centre pilot hole 102 having played good guide effect, can guarantee the second bearing 8 and the concentricity that is placed on the second end cap 6 on supporting die 2 on armature spindle 10, the second bearing 8 can successfully be entered in the second bearing chamber 61 of the second end cap 6.
In the time that the second end cap 6 is mounted on supporting die 2, support ring 204 on supporting die 2 end faces is inserted in the second end cap groove 65 of the second end cap 6, wherein the outer peripheral face 621 of the second transition chamber thereof 62 and the inner peripheral surface 205 of the second cavity 201 match, and between the outer ring surface 207 of the support ring 204 of supporting die 2 and the outer well surface 652 of the second end cap groove 65, form matched in clearance.The groove end face 651 of the second end cap groove 65 matches with the top surface of ring 206 of support ring 204 simultaneously, to realize the second location of end cap 6 on supporting die 2, guarantee the concentricity in the second end cap 6 and centre pilot hole 102, and then guarantee the concentricity of the second end cap 6 and the second bearing 8, the second bearing 8 can be more successfully pressed in the second bearing chamber 61 of the second end cap 6, improve the efficiency that press-fits of bearing, reduce the artificial impairment factor of bearing in assembling process, the axle that has reduced motor rings fraction defective, has guaranteed the quality level of motor product.
Similarly, in the time that dip mold 1 acts on the first end cap 5, pressure ring 104 on dip mold 1 bottom surface is inserted in the first end cover slot 55 of the first end cap 5, wherein the outer peripheral face 521 of First Transition chamber 52 and the inner peripheral surface 105 of the first cavity 101 match, and between the outer ring surface 707 of the pressure ring 104 of dip mold 1 and the outer well surface 552 of first end cover slot 55, form matched in clearance.The groove bottom 551 of first end cover slot 55 matches with the ring bottom surface 106 of pressure ring 104 simultaneously, to realize the first location of end cap 5 on dip mold 1, guarantees the concentricity of the first end cap 5 and dip mold 1.
Groundwork process of the present utility model is as follows:
1, first dip mold 1 and supporting die 2 are carried out to adjustment concentric;
2, get the second end cap 6 and on dip mold 1, also realize location, put into gasket ring 12;
3, the armature spindle of motor assembly to be press-fited 10 is inserted to the centre pilot hole 102 interior (making regular check on the smooth and easy degree of putting into) of dip mold 1;
4, starting device carries out after riveting completes assembling work putting into lower operation.
Claims (6)
1. an electric motor end cap press-fitting tool, comprise dip mold and supporting die, described supporting die is fixed on workbench, described dip mold liftable be arranged on movably described supporting die directly over, and described dip mold and described supporting die in the vertical direction have common axis; It is characterized in that, the bottom of described dip mold has cylindrical circular the first cavity, and the bottom opening of this first cavity is formed with the pressure ring that protrudes from described dip mold bottom surface around; The top of described supporting die has cylindrical circular the second cavity, the below of this second cavity has the centre pilot hole for rotor axis of electric is led, this centre pilot hole and described the second cavity coaxial line, and the top in this centre pilot hole is connected with described the second cavity, the open top of described the second cavity is formed with the support ring that protrudes from described supporting die end face around; Wherein, the inner peripheral surface of the inner peripheral surface of described the first cavity and described the second cavity is respectively the locating surface for electric motor end cap is positioned.
2. electric motor end cap press-fitting tool according to claim 1, it is characterized in that, the outer peripheral face equal diameters of the First Transition chamber of the first end cap in the middle of the inner peripheral surface diameter of described the first cavity and described electric motor end cap, the outer peripheral face equal diameters of the second transition chamber thereof of the second end cap in the middle of the inner peripheral surface diameter of described the second cavity and described electric motor end cap.
3. electric motor end cap press-fitting tool according to claim 2, is characterized in that, the width of described pressure ring is less than the width of the first end cover slot of described the first end cap, and the width of described support ring is less than the width of the second end cap groove of described the second end cap.
4. electric motor end cap press-fitting tool according to claim 3, it is characterized in that, in the time that described dip mold acts on described the first end cap, pressure ring on described dip mold bottom surface is inserted in the first end cover slot of described the first end cap, wherein the inner peripheral surface of the outer peripheral face of First Transition chamber and described the first cavity matches, the groove bottom of described first end cover slot and the ring bottom surface of described pressure ring match simultaneously, between the outer ring surface of described support ring and the outer well surface of described the second end cap groove, form matched in clearance.
5. electric motor end cap press-fitting tool according to claim 3, it is characterized in that, in the time that described the second end cap is mounted on described supporting die, support ring on described supporting die end face is inserted in the second end cap groove of described the second end cap, the inner peripheral surface of the outer peripheral face of wherein said the second transition chamber thereof and described the second cavity matches, the groove end face of described the second end cap groove and the top surface of ring of described support ring match simultaneously, between the outer ring surface of described pressure ring and the outer well surface of described first end cover slot, form matched in clearance.
6. electric motor end cap press-fitting tool according to claim 1, is characterized in that, described centre pilot hole and described rotor axis of electric form matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874398.2U CN203708042U (en) | 2013-12-25 | 2013-12-25 | Motor end cover press fitting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874398.2U CN203708042U (en) | 2013-12-25 | 2013-12-25 | Motor end cover press fitting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708042U true CN203708042U (en) | 2014-07-09 |
Family
ID=51058421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320874398.2U Expired - Fee Related CN203708042U (en) | 2013-12-25 | 2013-12-25 | Motor end cover press fitting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429402A (en) * | 2015-12-29 | 2016-03-23 | 武汉理工通宇新源动力有限公司 | Electric vehicle power motor gearbox end cover assembly tool |
| CN108306470A (en) * | 2018-04-08 | 2018-07-20 | 重庆奥兴嘉科技有限公司 | A kind of electric motor end cap bearing riveting tool |
-
2013
- 2013-12-25 CN CN201320874398.2U patent/CN203708042U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429402A (en) * | 2015-12-29 | 2016-03-23 | 武汉理工通宇新源动力有限公司 | Electric vehicle power motor gearbox end cover assembly tool |
| CN105429402B (en) * | 2015-12-29 | 2018-06-29 | 武汉理工通宇新源动力有限公司 | A kind of electric powered motor motor transmission end cap assembly tooling |
| CN108306470A (en) * | 2018-04-08 | 2018-07-20 | 重庆奥兴嘉科技有限公司 | A kind of electric motor end cap bearing riveting tool |
| CN108306470B (en) * | 2018-04-08 | 2023-09-01 | 重庆奥兴嘉科技有限公司 | Motor end cover bearing riveting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |