CN111555575A - Motor casing end rolling forming device and motor - Google Patents
Motor casing end rolling forming device and motor Download PDFInfo
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- CN111555575A CN111555575A CN202010513383.8A CN202010513383A CN111555575A CN 111555575 A CN111555575 A CN 111555575A CN 202010513383 A CN202010513383 A CN 202010513383A CN 111555575 A CN111555575 A CN 111555575A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000003028 elevating effect Effects 0.000 description 1
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- 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
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- 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
- H02K15/16—Centering rotors within the stator; Balancing rotors
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Abstract
The invention provides a rolling forming device for the end part of a motor shell and a motor, wherein the device comprises a rolling mechanism for rolling the end part edge of the motor shell and a shell driving mechanism for driving the motor shell to rotate, and the rolling mechanism and the shell driving mechanism are arranged vertically; the rolling mechanism comprises a rolling component, a position adjusting component and a first driving component, the shell driving mechanism comprises a limiting component used for limiting the motor shell and a second driving component used for driving the motor shell to rotate, when the rolling operation is carried out, the second driving component drives the first limiting component to drive the motor shell to rotate along the axial direction, meanwhile, a hob of the rolling component rolls the end edge of the motor shell under the driving of the first driving component, and after the limiting component drives the motor shell to rotate for a circle, the rolling operation is completed. The invention can ensure the concentricity between the shell and the end cover and also ensure that the stress at the connection part of the shell and the end cover is uniform.
Description
Technical Field
The invention relates to a motor shell processing device, in particular to a rolling forming device for the end part of a motor shell and a motor with an inward bent folded edge at the opening end of the motor shell.
Background
The outer shell of the motor is generally composed of a shell and end covers, under a general condition, the shell and the end covers are connected and matched through the matching of long screws, nuts and elastic cushions, when the assembling structure is operated, the screws need to penetrate through the front end cover and the rear end cover and the shell, in the assembling process, the positions of screw holes of the front end cover and the rear end cover need to be adjusted repeatedly, the screws are prone to being skewed, and the concentricity of the shell and the end covers is poor.
Based on this, chinese patent publication No. CN208183572A discloses an assembly structure of a casing and an end cover, in which the casing and the end cover are positioned by a positioning member arranged along the radial direction of the casing, but it does not fundamentally solve the problem that the positions of screw holes of the front and rear end covers need to be adjusted repeatedly and the concentricity between the casing and the end cover is poor in the assembly process;
chinese patent publication No. CN202395574U discloses an assembly structure of a motor end cover and a housing, in which the outer edge of the end cover body is folded downward to form a plurality of flanges, the flanges are embedded in the cavity of the housing, and the outer side surfaces of the flanges are tightly attached to the end portions of the inner wall surface of the housing.
Disclosure of Invention
In order to solve the above technical problems, a first object of the present invention is to provide a rolling and forming device for an end portion of a motor casing, the device is used for rolling an opening end of the motor casing to form a folded edge which is bent inward at the opening end, so that the end cover is only required to be placed on an annular limiting table on an inner wall of the casing before rolling, thereby not only ensuring concentricity between the casing and the end cover, but also ensuring uniform stress at each position where the casing is connected with the end cover; the assembly process of the shell and the end cover can be effectively simplified, and the assembly efficiency of the motor is improved.
The second purpose of the invention is to provide a motor, the shell of which is provided with a folded edge formed by rolling by adopting the device.
In view of the above object, an aspect of the present invention provides a motor casing end roll forming device, including: the rolling mechanism is used for rolling the end edge of the motor shell, and the shell driving mechanism is used for driving the motor shell to rotate;
the roll-in mechanism includes roll-in part, position control subassembly and first drive assembly, wherein:
a hob is formed at one end of the rolling component, one end of the hob is a cylinder, the other end of the hob is a circular truncated cone, a side wall generatrix of the circular truncated cone is an arc line which is sunken towards the axis direction, and the arc line is close to the end of the cylinder and is tangent to the side wall of the cylinder; in the process of rotating the hob, the cylindrical part of the hob rolls the end part of the motor shell to bend the end part of the motor shell to form a new end surface, and the side wall of the circular truncated cone extrudes the end edge of the motor shell, so that the end edge of the motor shell is prevented from bulging outwards in the rolling process;
the position adjusting assembly is connected with the rolling part and is used for adjusting the position of the rolling part so that the side wall of the hob is opposite to the edge of the motor shell;
the first driving assembly is in shaft connection with one end, far away from the hob, of the rolling component and is used for driving the rolling component to rotate;
casing actuating mechanism carries out spacing subassembly and is used for driving motor casing pivoted second drive assembly including being used for carrying on motor casing, wherein:
the limiting assembly comprises a first limiting component, the first limiting component is of a cylindrical structure, a plurality of openings extending along the direction of a side wall bus are formed in the side wall of the edge of an opening end of the first limiting component, the opening end of the first limiting component is divided into a plurality of arc-shaped petal structures by the openings, when rolling operation is carried out, the first limiting component is sleeved outside the motor shell in an interference manner, and the plurality of arc-shaped petal structures jointly encircle the side wall of the motor shell through radial elastic force generated by interference fit, so that the motor shell and the first limiting component are relatively fixed in the circumferential direction;
and the second driving assembly is used for driving the first limiting part to rotate, when the rolling operation is carried out, the second driving assembly drives the first limiting part to drive the motor shell to rotate along the axial direction, meanwhile, the hobbing cutter of the rolling part rolls the end edge of the motor shell under the driving of the first driving assembly, and the rolling operation is completed after the limiting assembly drives the motor shell to rotate for a circle.
Preferably, the outer wall of the arc-shaped petal-shaped structure is further provided with a protruding portion extending along the circumferential direction of the arc-shaped petal-shaped structure, and one side of the protruding portion close to the opening end of the first limiting part and one side of the protruding portion far away from the opening end of the first limiting part are both in a gradual slope shape, so that the structural rigidity and the elastic force of the arc-shaped petal-shaped structure are increased.
Preferably, the limiting assembly further comprises a second limiting component connected with the second driving assembly, the second limiting component is cylindrical and sleeved outside the first limiting component, and the first limiting component can slide along the axial direction of the second limiting component; when the first limiting part slides away from the second limiting part, the arc-shaped petal-shaped structure of the first limiting part can completely extend out of the second limiting part, so that the motor shell can be conveniently assembled into the first limiting part;
when the first limiting part slides to the bottommost part of the second limiting part in the opposite direction, the inner wall of the opening end of the second limiting part is abutted against one side, far away from the opening end of the first limiting part, of the protruding part, so that the encircling force of the arc-shaped petal-shaped structure on the motor shell is increased.
Preferably, the limiting assembly further includes a third limiting component, the third limiting component is disposed at the bottom of the first limiting component, a recessed portion matched with the shape of the bottom of the motor casing is formed at one end of the third limiting component close to the opening end of the first limiting component, and when the motor casing is inserted into the first limiting component, the bottom of the motor casing is embedded into the recessed portion.
Preferably, the casing driving mechanism further comprises a first lifting mechanism for driving the first limiting part to move away from or close to the second limiting part, and the first lifting mechanism penetrates through the second limiting part and the third limiting part and then is connected to the bottom of the first limiting part.
Preferably, the first elevating mechanism includes a screw.
Preferably, the device further comprises an anti-shake mechanism and a second lifting mechanism connected with the anti-shake mechanism and used for driving the anti-shake mechanism to lift, wherein the anti-shake mechanism and the shell driving mechanism are arranged oppositely, and after the motor shell is assembled into the first limiting component, the lifting mechanism drives the anti-shake mechanism to move downwards, so that the end part of the anti-shake mechanism is abutted against the end cover of the motor, and the rolling unevenness of the end surface of the motor shell caused by the rotation shake of the motor is avoided when the rolling operation is performed.
Preferably, a plurality of arc-shaped protruding pieces used for abutting against the end cover of the motor are formed at one end of the anti-shake mechanism opposite to the shell driving mechanism, and the arc-shaped protruding pieces are uniformly distributed at the end part of the anti-shake mechanism.
Preferably, the second lifting mechanism includes a lifting cylinder.
In another aspect of the invention, a motor is provided, which includes a casing, an end cover, a rotor and an accessory, wherein the end cover is disposed at an opening end of the casing and forms an accommodating space for accommodating the rotor and the accessory together with the casing, and an annular limiting table for axially limiting the end cover is formed by the inner wall of the casing, which is close to the opening end, and is recessed inwards;
the opening end of the machine shell is bent inwards to form a folded edge, the edge of the inner side of the end cover is abutted to the annular limiting table, the edge of the outer side of the end cover is coated in the folded edge of the opening end of the machine shell, and particularly, the folded edge of the machine shell is formed by rolling the rolled edge of the end part of the machine shell of the motor through the rolling forming device.
Compared with the prior art, the invention has the beneficial effects that:
the end cover of the motor is connected with the machine shell, so that parts such as a rotor and the like contained in the machine shell are protected, the end cover is prevented from being separated from the edge of the machine shell, and the connecting force between the end cover and the machine shell is uniform; the assembly process of the shell and the end cover can be effectively simplified, and the assembly efficiency of the motor is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of an overall structure of a rolling forming device for an end portion of a motor housing according to an embodiment of the present invention;
FIG. 2 is a longitudinal cross-sectional view of FIG. 1;
FIG. 3 is a schematic view showing the overall structure of the first position limiting member of the present invention;
FIG. 4 is a view of the motor casing after being rolled by the end rolling device according to the first embodiment;
FIG. 5 is a schematic view of an overall structure of a rolling and forming apparatus for an end portion of a motor housing according to a second embodiment of the present invention;
fig. 6 is a schematic overall structure diagram of an anti-shake mechanism according to a second embodiment of the present invention;
wherein, 1, a rolling mechanism; 2. a housing drive mechanism; 3. an anti-shake mechanism; 4. a housing; 5. an end cap;
11. hobbing cutters; 12. a first bearing;
21. a first limit member; 22. a second limiting component; 23. a third limiting component; 24. a lead screw;
211. an arc petal-shaped structure; 212. a boss portion;
31. an arcuate tab;
41. folding edges; 42. annular spacing platform.
Detailed Description
The invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Example one
As shown in fig. 1, a roll forming device for an end portion of a motor housing includes: the rolling mechanism 1 is used for rolling the end edge of the motor shell 4, and the shell driving mechanism 2 is used for driving the motor shell 4 to rotate, the rolling mechanism 1 and the shell driving mechanism 2 are arranged perpendicular to each other, when the rolling mechanism 1 rolls the end edge of the motor shell 4, the shell driving mechanism 2 drives the motor shell 4 to rotate, so that the end edge of the motor shell 4 is completely rolled and molded;
the rolling mechanism 1 comprises a rolling component, a position adjusting component and a first driving component, wherein:
a hob 11 is formed at one end of the rolling component, one end of the hob 11 is a cylinder, the other end of the hob 11 is a circular truncated cone, a side wall generatrix of the circular truncated cone is an arc line which is sunken towards the axis direction, and the end part, close to the cylinder, of the arc line is tangent to the side wall of the cylinder; in the process of rotating the hob 11, the cylindrical part of the hob 11 rolls the end part of the motor shell 4, so that the end part of the motor shell 4 is bent to form a new end surface, the side wall of the circular table extrudes the end edge of the motor shell 4, and the end edge of the motor shell 4 is prevented from bulging outwards in the rolling process;
the position adjusting assembly is connected with the rolling part and is used for adjusting the position of the rolling part so that the side wall of the hob 11 of the rolling part is opposite to the edge of the motor shell 4;
the first driving assembly is in shaft connection with one end, far away from the hob 11, of the rolling component and is used for driving the rolling component to rotate;
the limiting assembly comprises a first limiting component 21, as shown in fig. 2 and 3, the first limiting component 21 is a cylindrical structure, a plurality of openings extending along the direction of a side wall bus are formed on the side wall of the edge of the opening end of the first limiting component 21, the opening end of the first limiting component 21 is divided into a plurality of arc-shaped petal structures 211 by the openings, when the rolling operation is performed, the first limiting component 21 is sleeved outside the motor shell 4 in an interference manner, and the side wall of the motor shell 4 is commonly embraced by the plurality of arc-shaped petal structures 211 through radial elastic force generated by interference fit, so that the motor shell 4 and the first limiting component 21 are relatively fixed in the circumferential direction;
and the second driving assembly is used for driving the first limiting part 21 to rotate, when the rolling operation is carried out, the second driving assembly drives the first limiting part 21 to drive the motor shell 4 to rotate along the axial direction, meanwhile, the hobbing cutter 11 of the rolling part rolls the end edge of the motor shell 4 under the driving of the first driving assembly, when the limiting assembly drives the motor shell 4 to rotate for a circle, the rolling operation is completed, and the roll-formed shell 4 is shown in the figure 4.
As a preferred embodiment, the position adjusting assembly comprises a horizontal orientation adjusting component and a vertical orientation adjusting component, and preferably, the horizontal orientation adjusting component and the vertical position adjusting component both comprise air cylinders.
As a preferred embodiment, as shown in fig. 3, a protruding portion 212 extending along the circumferential direction is further formed on the outer wall of the arc-shaped petal-shaped structure 211, and both a side of the protruding portion 212 close to the open end of the first stopper 21 and a side of the protruding portion 212 far from the open end of the first stopper 21 are in a gradual slope shape, so as to increase the structural rigidity and the elastic force of the arc-shaped petal-shaped structure 211.
As a preferred embodiment, as shown in fig. 2, the limiting assembly further includes a second limiting member 22 connected to the second driving assembly, the second limiting member 22 is cylindrical and sleeved outside the first limiting member 21, and the first limiting member 21 can slide along the axial direction of the second limiting member 22; when the first limiting part 21 slides away from the second limiting part 22, the arc-shaped petal-shaped structure 211 of the first limiting part 21 can completely extend out of the second limiting part 22, so that the motor shell 4 can be assembled into the first limiting part 21;
when the first limiting part 21 slides to the bottommost part of the second limiting part 22 in the opposite direction, the inner wall of the opening end of the second limiting part 22 abuts against one side of the protruding part 212 far away from the opening end of the first limiting part 21, so that the surrounding force of the arc-shaped petal-shaped structure 211 on the motor shell 4 is increased.
As a preferred embodiment, as shown in fig. 2, the position-limiting assembly further includes a third position-limiting component 23, the third position-limiting component 23 is disposed at the bottom of the first position-limiting component 21, and a recessed portion adapted to the shape of the bottom of the motor housing 4 is formed at an end of the third position-limiting component 23 close to the open end of the first position-limiting component 21, and when the motor housing 4 is inserted into the first position-limiting component 21, the bottom of the motor housing 4 is embedded into the recessed portion.
As a preferred embodiment, as shown in fig. 2, the casing driving mechanism 2 further includes a first lifting mechanism for driving the first limiting member 21 to move away from or close to the second limiting member 22, and the first lifting mechanism penetrates through the second limiting member 22 and the third limiting member 23 and then is connected to the bottom of the first limiting member 21.
As a preferred embodiment, the first lifting mechanism includes a lead screw 24.
The embodiment further provides a motor, which includes a casing 4, an end cover 5, a rotor and accessories, where the end cover 5 is disposed at an opening end of the casing 4, and forms an accommodating space for accommodating the rotor and the accessories together with the casing 4, and as shown in fig. 4, an annular limiting table 42 for axially limiting the end cover 5 is formed by inward recessing an inner wall of the casing 4 near the opening end;
the opening end of the machine shell 4 is bent inwards to form a folded edge 41, the inner side edge of the end cover 5 abuts against the annular limiting table 42, the outer side edge of the end cover is covered in the folded edge 41 at the opening end of the machine shell 4, and particularly, the folded edge 41 of the machine shell 4 is formed by the rolling forming device at the end part of the machine shell 4 in a rolling mode.
As a preferred embodiment, a plurality of flanges are formed on the opening end of the housing 4, so that the position of the hob 11 is adjusted to be between the gaps between the adjacent flanges before the rolling operation is performed, and after the rolling operation is started, the hob 11 and the housing 4 rotate simultaneously without adjusting the position of the hob 11 during the rolling operation.
Example two
As shown in fig. 5, the difference from the first embodiment is that the present embodiment further includes an anti-shake mechanism 3 and a second lifting mechanism connected to the anti-shake mechanism 3 and driving the anti-shake mechanism 3 to lift, the anti-shake mechanism 3 is disposed opposite to the housing driving mechanism 2, and after the motor housing 4 is assembled into the first limiting component 21, the lifting mechanism drives the anti-shake mechanism 3 to move downward, so that the end of the anti-shake mechanism 3 abuts against the motor end cover 5, thereby preventing the end surface of the motor housing 4 from being rolled and uneven due to the rotational shake of the motor during the rolling operation.
As a preferred embodiment, as shown in fig. 6, a plurality of arc-shaped protruding pieces 31 for abutting against the motor end cover 5 are formed at one end of the anti-shake mechanism 3 facing the casing driving mechanism 2, and the arc-shaped protruding pieces 31 are uniformly distributed at the end of the anti-shake mechanism 3; preferably, the number of the arc-shaped protruding pieces 31 is 4.
As a preferred embodiment, the second lifting mechanism includes a lifting cylinder (not shown).
Since the housing having the rotor or other accessories mounted thereon is heavier than the housing having no rotor or other accessories mounted thereon, the second embodiment is often adopted when the end portion of the latter is rolled, and the first embodiment is often used in the process of rolling the housing having no rotor or other accessories mounted thereon.
The end cover of the motor is connected with the machine shell, so that parts such as a rotor and the like contained in the machine shell are protected, the end cover is prevented from being separated from the edge of the machine shell, and the connecting force between the end cover and the machine shell is uniform; the assembly process of the shell and the end cover can be effectively simplified, and the assembly efficiency of the motor is improved.
Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the principle and spirit of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (10)
1. The utility model provides a motor casing tip roll-in forming device which characterized in that includes: the rolling mechanism (1) is used for rolling the end edge of the motor shell (4), the shell driving mechanism (2) is used for driving the motor shell (4) to rotate, the rolling mechanism (1) and the shell driving mechanism (2) are perpendicular to each other, and when the rolling mechanism (1) rolls the end edge of the motor shell (4), the shell driving mechanism (2) drives the motor shell (4) to rotate, so that the end edge of the motor shell (4) is completely rolled and formed;
the rolling mechanism (1) comprises a rolling component, a position adjusting component and a first driving component, wherein:
a hob (11) is formed at one end of the rolling component, one end of the hob (11) is a cylinder, the other end of the hob is a circular table, a side wall generatrix of the circular table is an arc line which is sunken towards the axis direction, and the end part of the arc line close to the cylinder is tangent to the side wall of the cylinder; in the process that the hob (11) rotates, the cylindrical part of the hob (11) rolls the end part of the motor shell (4) in a rolling mode, so that the end part of the motor shell (4) is bent to form a new end face, the side wall of the circular truncated cone extrudes the edge of the end part of the motor shell (4), and the edge of the end part of the motor shell (4) is prevented from bulging outwards in the rolling process;
the position adjusting assembly is connected with the rolling part and is used for adjusting the position of the rolling part so that the side wall of the hob (11) of the position adjusting assembly is opposite to the edge of the motor shell (4);
the first driving assembly is in shaft connection with one end, far away from the hob (11), of the rolling component and is used for driving the rolling component to rotate;
casing actuating mechanism (2) are including being used for carrying on spacing subassembly and being used for driving motor casing (4) pivoted second drive assembly to motor casing (4), wherein:
the limiting assembly comprises a first limiting component (21), the first limiting component (21) is of a cylindrical structure, a plurality of openings extending along the direction of a side wall bus are formed in the side wall of the edge of the opening end of the first limiting component (21), the opening end of the first limiting component (21) is divided into a plurality of arc-shaped petal-shaped structures (211), when rolling operation is carried out, the first limiting component (21) is sleeved outside the motor shell (4) in an interference manner, and the side wall of the motor shell (4) is commonly encircled by the plurality of arc-shaped petal-shaped structures (211) through radial elastic force generated by interference fit, so that the motor shell (4) and the first limiting component (21) are circumferentially and relatively fixed;
the second drive assembly is used for driving the first limiting part (21) to rotate, when the rolling operation is carried out, the second drive assembly drives the first limiting part (21) to drive the motor shell (4) to rotate along the axial direction, meanwhile, the hobbing cutter (11) of the rolling part rolls the end edge of the motor shell (4) under the drive of the first drive assembly, and the rolling operation is completed after the limiting assembly drives the motor shell (4) to rotate for a circle.
2. The roll forming device for the end part of the motor casing according to claim 1, wherein the outer wall of the arc-shaped petal-shaped structure (211) is further formed with a protruding portion (212) extending along the circumferential direction of the outer wall, and one side of the protruding portion (212) close to the open end of the first limiting member (21) and one side of the protruding portion far away from the open end of the first limiting member (21) are both in a gradual slope shape, so as to increase the structural rigidity and the elastic force of the arc-shaped petal-shaped structure (211).
3. The rolling forming device for the end part of the motor shell according to claim 2, wherein the limiting assembly further comprises a second limiting member (22) connected to the second driving assembly, the second limiting member (22) is cylindrical and is sleeved outside the first limiting member (21), and the first limiting member (21) can slide along the axial direction of the second limiting member (22); when the first limiting part (21) slides in the direction away from the second limiting part (22), the arc-shaped petal-shaped structure (211) of the first limiting part (21) can completely extend out of the second limiting part (22), so that the motor shell (4) is assembled into the first limiting part (21);
when the first limiting part (21) slides to the bottommost part of the second limiting part (22) in the opposite direction, the inner wall of the opening end of the second limiting part (22) is abutted against one side, away from the opening end of the first limiting part (21), of the protruding part (212), so that the encircling force of the arc-shaped petal-shaped structure (211) on the motor shell (4) is increased.
4. The rolling forming device for the end part of the motor casing according to claim 3, wherein the limiting assembly further comprises a third limiting member (23), the third limiting member (23) is disposed at the bottom of the first limiting member (21), and a recess matched with the shape of the bottom of the motor casing (4) is formed at one end of the third limiting member (23) close to the open end of the first limiting member (21), and the bottom of the motor casing (4) is embedded in the recess when the motor casing (4) is inserted into the first limiting member (21).
5. The rolling forming device for the end part of the motor shell as claimed in claim 4, wherein the shell driving mechanism (2) further comprises a first lifting mechanism for driving the first limiting member (21) to move away from or close to the second limiting member (22), and the first lifting mechanism penetrates through the second limiting member (22) and the third limiting member (23) and then is connected to the bottom part of the first limiting member (21).
6. Motor housing end roll forming device according to claim 5, characterized in that the first lifting mechanism comprises a lead screw (24).
7. The rolling forming device for the end part of the motor shell according to claim 1, further comprising an anti-shake mechanism (3) and a second lifting mechanism connected with the anti-shake mechanism (3) and driving the anti-shake mechanism (3) to lift, wherein the anti-shake mechanism (3) is arranged opposite to the motor shell driving mechanism (2), and after the motor shell (4) is assembled into the first limiting part (21), the lifting mechanism drives the anti-shake mechanism (3) to move downwards so that the end part of the anti-shake mechanism (3) is abutted against the motor end cover (5), thereby preventing the end surface of the motor shell (4) from rolling out due to the rotation shake of the motor during the rolling operation.
8. The rolling forming device for the end part of the motor shell as claimed in claim 7, wherein the end of the anti-shake mechanism (3) opposite to the shell driving mechanism (2) is formed with a plurality of arc-shaped protruding pieces (31) for abutting against the motor end cover (5), and the arc-shaped protruding pieces (31) are evenly distributed at the end part of the anti-shake mechanism (3).
9. The roll forming device for the end of the motor housing as claimed in claim 7, wherein the second lifting mechanism comprises a lifting cylinder.
10. A motor comprises a machine shell (4), an end cover (5), a rotor and accessories, wherein the end cover (5) is arranged at the opening end of the machine shell (4) and forms an accommodating space for accommodating the rotor and the accessories together with the machine shell (4), and the motor is characterized in that an annular limiting table (42) for axially limiting the end cover (5) is formed by inwards recessing the inner wall of the machine shell (4) close to the opening end;
the open end of the machine shell (4) is bent inwards to form a folded edge (41), the edge of the inner side of the end cover (5) is abutted against the annular limiting table (42), and the edge of the outer side of the end cover is covered in the folded edge (41) of the open end of the machine shell (4), wherein the folded edge (41) of the machine shell (4) is formed by rolling through the motor shell end rolling forming device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513383.8A CN111555575B (en) | 2020-06-08 | 2020-06-08 | Motor casing end roll forming device and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513383.8A CN111555575B (en) | 2020-06-08 | 2020-06-08 | Motor casing end roll forming device and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111555575A true CN111555575A (en) | 2020-08-18 |
| CN111555575B CN111555575B (en) | 2024-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010513383.8A Active CN111555575B (en) | 2020-06-08 | 2020-06-08 | Motor casing end roll forming device and motor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202395574U (en) * | 2011-12-22 | 2012-08-22 | 中山大洋电机股份有限公司 | Motor end cap and housing assembling structure |
| WO2020098552A1 (en) * | 2018-11-14 | 2020-05-22 | 广东德昌电机有限公司 | Connector, motor end cap having the connector, and motor having the end cap |
| CN211959026U (en) * | 2020-06-08 | 2020-11-17 | 丽水津正电机科技有限公司 | Motor casing end rolling forming device and motor |
| CN211959027U (en) * | 2020-06-08 | 2020-11-17 | 丽水津正电机科技有限公司 | Motor casing end rolling forming device and motor with anti-shake function |
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2020
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202395574U (en) * | 2011-12-22 | 2012-08-22 | 中山大洋电机股份有限公司 | Motor end cap and housing assembling structure |
| WO2020098552A1 (en) * | 2018-11-14 | 2020-05-22 | 广东德昌电机有限公司 | Connector, motor end cap having the connector, and motor having the end cap |
| CN211959026U (en) * | 2020-06-08 | 2020-11-17 | 丽水津正电机科技有限公司 | Motor casing end rolling forming device and motor |
| CN211959027U (en) * | 2020-06-08 | 2020-11-17 | 丽水津正电机科技有限公司 | Motor casing end rolling forming device and motor with anti-shake function |
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| CN111555575B (en) | 2024-06-28 |
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