Motor rotor twisting die
By designing the motor rotor twisting mold, the extrusion of the curved die core is used to achieve the twisting of the copper bar rotor, which solves the problems of low accuracy and low efficiency in the traditional twisting method, and improves the torsion accuracy and efficiency of the copper bar rotor.
Patent Information
- Application Number
- CN202422189175.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The traditional copper bar rotor twisting method has problems such as low accuracy, low efficiency and high scrap rate.
A motor rotor twisting mold is designed to improve torsion accuracy and efficiency by setting a curved surface on the lower surface of the upper and lower die cores and extruding the upper and lower die cores.
The torsional accuracy and working efficiency of the copper bar rotor are improved and the scrap rate is reduced.
Smart Images
Figure CN223070220U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to a motor rotor twisting and bending die. Background Art
[0002] In the manufacture of motors, as one of the core components of the motor, the performance of the copper bar rotor directly affects the overall operating efficiency and reliability of the motor. The traditional method of twisting and bending the copper bar rotor is to fix one end first, and then manually hold the pliers to clamp the other end and twist it to achieve the purpose of twisting and bending. Figure 1 As shown in the figure, it is the copper bar rotor before being twisted and bent. The upper and lower thicknesses of the copper bar rotor show a gradual change. Therefore, there are problems such as low precision, low efficiency, and high rejection rate during manual clamping and twisting.
[0003] How to solve the above technical problems has become an urgent technical problem in the industry. Summary of the Invention
[0004] In order to at least solve the above technical problems, the purpose of the utility model is to provide a motor rotor twisting and bending die. By setting the upper surface of the lower die core and the lower surface of the upper die core as curved surfaces, the purpose of twisting the copper bar rotor is achieved through the extrusion of the upper die core and the lower die core, and the twisting precision is improved.
[0005] In order to achieve the above purpose, the motor rotor twisting and bending die provided by this application includes:
[0006] An upper die body, with an upper inlay groove provided on the lower surface of the upper die body;
[0007] An upper die core is embedded in the upper inlay groove;
[0008] The lower surface of the upper die core protrudes from the lower surface of the upper die body;
[0009] The lower surface of the upper die core is a curved surface;
[0010] A lower die body, with a lower inlay groove provided on the upper surface of the lower die body;
[0011] A lower die core is embedded in the lower inlay groove;
[0012] The lower die core is recessed into the lower inlay groove;
[0013] The upper surface of the lower die core is a curved surface;
[0014] The inclination angle of the lower surface of the upper die core matches the inclination angle of the upper surface of the lower die core.
[0015] Further, a pickup groove is provided on the side of the lower inlay groove;
[0016] The pickup groove is communicated with the lower inlay groove.
[0017] Further, both the upper inlay groove and the upper die core are strip-shaped;
[0018] The upper inlay groove matches the upper die core.
[0019] Further, both the lower inlay groove and the lower die core are strip-shaped;
[0020] The lower inlay groove matches the lower die core.
[0021] Further, the distance dimension from the upper surface of the lower die core to the upper surface of the lower die body is smaller than the depth dimension of the pickup groove.
[0022] Further, the length dimension of the pickup groove is smaller than the length dimension of the lower inlay groove.
[0023] Further, the depth dimension from the upper surface of the lower die core to the upper surface of the lower die body is not greater than the height dimension from the lower surface of the upper die core to the lower surface of the upper die body.
[0024] Further, the depth dimension from the upper surface of the lower die core to the upper surface of the lower die body is smaller than the height dimension from the lower surface of the upper die core to the lower surface of the upper die body.
[0025] Further, the inclination angle value of the lower surface of the upper die core is the same as the inclination angle value of the upper surface of the lower die core.
[0026] The motor rotor twisting and bending die of the embodiment of the present application includes: an upper die body, an upper inlay groove is provided on the lower surface of the upper die body; an upper die core is embedded in the upper inlay groove; the lower surface of the upper die core protrudes from the lower surface of the upper die body; the lower surface of the upper die core is a curved surface; a lower die body, a lower inlay groove is provided on the upper surface of the lower die body; a lower die core is embedded in the lower inlay groove; the lower die core is immersed in the lower inlay groove; the upper surface of the lower die core is a curved surface; the inclination angle of the lower surface of the upper die core matches the inclination angle of the upper surface of the lower die core. By setting the upper surface of the lower die core and the lower surface of the upper die core as curved surfaces, the purpose of twisting the copper bar rotor is achieved through the extrusion of the upper die core and the lower die core, improving the twisting accuracy and the working efficiency at the same time. Description of the Drawings
[0027] The drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and together with the embodiments of the present application, are used to explain the present application, and do not constitute a limitation to the present application. In the drawings:
[0028] Figure 1 is a schematic structural diagram of the copper bar rotor before twisting and bending in the embodiment of the present application;
[0029] Figure 2 is a side view of the copper bar rotor after twisting and bending in the embodiment of the present application;
[0030] Figure 3 is a schematic structural diagram of the upper die body in the embodiment of the present application;
[0031] Figure 4 It is a schematic diagram of the lower die body structure of an embodiment of the present application;
[0032] Figure 5 It is a schematic diagram of the upper die core and lower die core structures of an embodiment of the present application.
[0033] Explanation of reference numerals:
[0034] 101 - upper die body; 102 - upper inlay groove; 103 - lower die body; 104 - lower inlay groove; 105 - lower die core; 106 - upper die core. Specific embodiments
[0035] Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although some embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present application. It should be understood that the drawings and embodiments of the present application are only for exemplary purposes and are not used to limit the protection scope of the present application.
[0036] It should be understood that the various steps recited in the method embodiments of the present application can be executed in a different order and / or in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present application is not limited in this regard.
[0037] As used herein, the term "including" and its variations are open-ended, i.e., "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.
[0038] It should be noted that the modifications of "one" and "multiple" mentioned in the present application are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly specified in the context, it should be understood as "one or more". "Multiple" should be understood as two or more.
[0039] The motor rotor torsion and bending die of the embodiment of the present application includes:
[0040] An upper die body, and an upper inlay groove is provided on the lower surface of the upper die body;
[0041] The upper inlay groove is embedded with an upper die core;
[0042] The lower surface of the upper die core protrudes from the lower surface of the upper die body;
[0043] The lower surface of the upper die core is a curved surface;
[0044] A lower die body, the upper surface of the lower die body is provided with a lower inlay groove;
[0045] The lower inlay groove is embedded with a lower die core;
[0046] The lower die core is immersed in the lower inlay groove;
[0047] The upper surface of the lower die core is a curved surface;
[0048] The inclination angle of the lower surface of the upper die core matches the inclination angle of the upper surface of the lower die core.
[0049] Embodiment 1
[0050] Figure 1 It is a schematic diagram of the structure of the copper bar rotor before twisting in the embodiment of the present application, Figure 2 It is a side view of the copper bar rotor after twisting in the embodiment of the present application, Figure 3 It is a schematic diagram of the structure of the upper die body in the embodiment of the present application, Figure 4 It is a schematic diagram of the structure of the lower die body in the embodiment of the present application, Figure 5 It is a schematic diagram of the structure of the upper die core and the lower die core in the embodiment of the present application. Next, in combination with Figures 1-5 ..., the motor rotor twisting die of the embodiment of the present application will be described in detail.
[0051] The motor rotor twisting die of the embodiment of the present application is used to manufacture the twist of the copper bar rotor of the motor. The copper bar rotor before twisting is as Figure 1 shown.
[0052] In an exemplary embodiment, the motor rotor twisting die of the embodiment of the present application includes: an upper die body 101.
[0053] In an exemplary embodiment, the lower surface of the upper die body 101 is provided with an upper inlay groove 102.
[0054] In an exemplary embodiment, the upper inlay groove 102 is strip-shaped, and the upper inlay groove 102 runs left and right on the lower surface of the upper die body 101.
[0055] In an exemplary embodiment, the upper inlay groove 102 is embedded with an upper die core 106.
[0056] In an exemplary embodiment, the size of the upper inlay groove 102 matches the size of the upper die core 106.
[0057] In an exemplary embodiment, the lower surface of the upper die core 106 protrudes from the lower surface of the upper die body 101.
[0058] In an exemplary embodiment, the lower surface of the upper die core 106 is a curved surface, and the curved surface is a twisted curved surface.
[0059] In an exemplary embodiment, the motor rotor torsion and bending die of the embodiment of the present application further includes: a lower die body 103.
[0060] In an exemplary embodiment, an upper surface of the lower die body 103 is provided with a lower inlay groove 104.
[0061] In an exemplary embodiment, the lower inlay groove 104 is strip-shaped, and the lower inlay groove 104 extends horizontally on the upper surface of the lower die body 103.
[0062] In an exemplary embodiment, a lower die core 105 is embedded in the lower inlay groove 104.
[0063] In an exemplary embodiment, the size of the lower inlay groove 104 matches the size of the lower die core 105.
[0064] In an exemplary embodiment, the lower die core 105 is sunk into the lower inlay groove 104, that is, when the lower die core 105 is placed in the lower inlay groove 104, the upper surface of the lower die core 105 is located below the upper surface of the lower die body 103.
[0065] In an exemplary embodiment, the upper surface of the lower die core 105 is a curved surface, and the curved surface is a twisted curved surface.
[0066] In an exemplary embodiment, the inclination angle of the lower surface of the upper die core 106 matches the inclination angle of the upper surface of the lower die core 105.
[0067] In an exemplary embodiment, the inclination angle value of the lower surface of the upper die core 106 is the same as the inclination angle value of the upper surface of the lower die core 105.
[0068] In an exemplary embodiment, a pick-up groove is provided on a side of the lower inlay groove 104.
[0069] In an exemplary embodiment, the pick-up groove communicates with the lower inlay groove 104.
[0070] In an exemplary embodiment, the distance from the upper surface of the lower die core 105 to the upper surface of the lower die body 103 is smaller than the depth of the pick-up groove.
[0071] In an exemplary embodiment, the length of the pick-up groove is smaller than the length of the lower inlay groove 104.
[0072] In an exemplary embodiment, the depth from the upper surface of the lower die core 105 to the upper surface of the lower die body 103 is not greater than the height from the lower surface of the upper die core 106 to the lower surface of the upper die body 101.
[0073] In an exemplary embodiment, the depth dimension from the upper surface of the lower die core 105 to the upper surface of the lower die body 103 is less than the height dimension from the lower surface of the upper die core 106 to the lower surface of the upper die body 101.
[0074] In an exemplary embodiment, when the upper die body 101 and the lower die body 103 cooperate to twist the copper bar rotor, first place the copper bar rotor as Figure 1 shown on the upper surface of the lower die core 105 in the lower embedding groove 104; place the upper die body 101 above the lower die body 103, control the upper die body 101 to move downward, and the upper die core 106 is immersed in the lower embedding groove 104 until the copper bar rotor is twisted to the required twist angle, then stop the downward movement of the upper die body 101.
[0075] In an exemplary embodiment, the copper bar rotor after being extruded by the upper die core 106 and the lower die core 105 is as Figure 2 shown.
[0076] Although the disclosed embodiments of the present invention are as above, the content is only an embodiment adopted for the convenience of understanding the present invention and is not used to limit the present invention. Any person skilled in the art within the scope of the present invention can make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed by the present invention. However, the scope of patent protection of the present invention shall still be subject to the scope defined by the appended claims.
Claims
1. A motor rotor torsion and bending die, characterized in that Comprising: An upper die body, with an upper inlay groove provided on the lower surface of the upper die body; An upper die core is embedded in the upper inlay groove; The lower surface of the upper die core protrudes from the lower surface of the upper die body; The lower surface of the upper die core is a curved surface; A lower die body, with a lower inlay groove provided on the upper surface of the lower die body; A lower die core is embedded in the lower inlay groove; The lower die core is recessed into the lower inlay groove; The upper surface of the lower die core is a curved surface; The inclination angle of the lower surface of the upper die core matches the inclination angle of the upper surface of the lower die core.
2. The motor rotor torsion and bending die according to claim 1, wherein, A pick-up groove is provided on the side of the lower inlay groove; The pick-up groove communicates with the lower inlay groove.
3. The motor rotor torsion and bending die according to claim 1, characterized in that, Both the upper inlay groove and the upper die core are strip-shaped; The upper inlay groove matches the upper die core.
4. The motor rotor torsion and bending die according to claim 1, characterized in that, Both the lower inlay groove and the lower die core are strip-shaped; The lower inlay groove matches the lower die core.
5. The motor rotor torsion and bending die according to claim 2, characterized in that, The distance dimension from the upper surface of the lower die core to the upper surface of the lower die body is smaller than the depth dimension of the pick-up groove.
6. The motor rotor torsion and bending die according to claim 5, characterized in that, The length dimension of the pick-up groove is smaller than the length dimension of the lower inlay groove.
7. The motor rotor torsion and bending die according to claim 1, characterized in that, The depth dimension from the upper surface of the lower die core to the upper surface of the lower die body is not greater than the height dimension from the lower surface of the upper die core to the lower surface of the upper die body.
8. The motor rotor twisting and bending die according to claim 1, characterized in that, The depth dimension from the upper surface of the lower die core to the upper surface of the lower die body is smaller than the height dimension from the lower surface of the upper die core to the lower surface of the upper die body.
9. The motor rotor torsion and bending die according to claim 1, characterized in that, The inclination angle value of the lower surface of the upper die core is the same as the inclination angle value of the upper surface of the lower die core.