Flat wire bending test device not easy to damage surface paint film
A motor-driven device with a scale and magnifying lens ensures precise and consistent bend angle measurements for coated wires, addressing the inaccuracy of human judgment in existing methods.
Patent Information
- Application Number
- CN202421647615.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-07-12
AI Technical Summary
In the prior art, the enameled flat line bending test device relies on manual judgment of the bending angle, which leads to inaccurate angles, which affects the accuracy of the test results, and is difficult to ensure that it does not lift up when the narrow edge is bent.
A device including a load seat, a rotating rod, a rotating wheel, a drive motor and a protractor is designed to accurately control the bending angle through the combination of a protractor and a magnifying glass, and improve the accuracy of the results through multiple sets of bending test stations.
Accurate control of bending angle is achieved, artificial error is reduced, and the accuracy and consistency of test results are improved, avoiding the problem of excessive or insufficient bending angle.
Smart Images

Figure CN223107436U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of enameled rectangular wire, in particular to a rectangular wire bending test device that is not easy to damage the surface paint film. Background Technique
[0002] One of the incoming inspection items for enameled rectangular wire is the bending test, which is used for the elasticity of the enameled wire paint film. It is required to conduct the wide-side and narrow-side bending tests on the enameled rectangular wire with a round rod, and the insulation should not crack after the test. In actual operation, the wide side can be bent with a round rod, but the narrow side is not easy to operate. The precautions for the bending of enameled rectangular wire are recorded in GB4074.7-83. One is that the rectangular wire is bent 180° in two opposite directions to form an "S" shape; the other is that the two elbows should be kept in the same plane and the sample should not warp.
[0003] The existing technology has the following problems:
[0004] After a large number of searches, it is found that the Chinese patent publication number: CN213933427U discloses a narrow-side bending test device for enameled rectangular wire, which uses the method of bending both ends of the rectangular wire simultaneously for the test, reducing the existing warping. However, in the actual use of this patent, the staff needs to use the naked eye to master and judge the bending angle of the rectangular wire, and the bending angle of the rectangular wire is easily affected by the experience of the staff, resulting in the problem that the bending angle of the rectangular wire is too large or insufficient, and it is difficult to ensure the accuracy of the rectangular wire bending test.
[0005] Therefore, we propose a rectangular wire bending test device that is not easy to damage the surface paint film to solve the above drawbacks. Content of the Utility Model
[0006] The purpose of the utility model is to provide a rectangular wire bending test device that is not easy to damage the surface paint film to solve the shortcomings existing in the prior art.
[0007] To achieve the above object, the utility model adopts the following technical solutions: A flat wire bending test device that is not easy to damage the surface paint film, including a bearing seat. A U-shaped sliding groove is provided on the surface of the bearing seat, and a first rotating rod is slidably connected inside the U-shaped sliding groove. A first rotating wheel is rotatably installed at the upper end of the first rotating rod, and a third gear is fixedly connected to the lower end of the first rotating rod. A second rotating rod penetrates through the surface of the bearing seat, and a second rotating wheel is rotatably connected to the upper end of the second rotating rod. A first gear is installed at the other end of the second rotating rod. A driving motor is fixedly installed on the bottom surface of the bearing seat, and the output end of the driving motor is connected to the first gear. A second gear is installed on the bottom surface of the bearing seat, and the second gear meshes with the first gear and the third gear. A sliding groove is provided on the surface of the bearing seat, and a slider is slidably connected inside the sliding groove. A magnifying glass is installed on the slider, and a protractor is fixedly installed on the top surface of the bearing seat inside the sliding groove.
[0008] Preferably, the diameter of the sliding groove is larger than the diameter of the protractor.
[0009] Preferably, the magnifying glass and the protractor are used in cooperation.
[0010] Preferably, protective pads are installed on both the first rotating wheel and the second rotating wheel.
[0011] Preferably, there are multiple U-shaped sliding grooves, and every two of the multiple U-shaped sliding grooves form a group.
[0012] Preferably, a flat wire is provided between the first rotating wheel and the second rotating wheel.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] 1. In the utility model, by setting a protractor, it is convenient for the staff to master and judge the bending angle of the flat wire, avoiding the problem of excessive or insufficient bending angle of the flat wire during the test, ensuring the accuracy of the flat wire test. At the same time, the setting of the magnifying glass is beneficial for the staff to read the bending angle of the flat wire. It is not only more user-friendly in design, but also can effectively reduce the risk of misreading the value.
[0015] 2. In the utility model, by setting multiple groups of bending test stations, multiple groups of flat wire bending test results can be obtained at one time, avoiding the contingency of the flat wire bending test results and improving the accuracy of the flat wire bending test results. Description of the Drawings
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0017] Figure 1 The top view of a flat wire bending test device that is not easy to damage the surface paint film proposed by the present invention;
[0018] Figure 2 The bottom view of a flat wire bending test device that is not easy to damage the surface paint film proposed by the present invention;
[0019] Figure 3 For Figure 1 The enlarged schematic diagram of A in
[0020] Figure 4 The connection schematic diagram of the driving motor, the first gear, the second gear and the third gear.
[0021] Legend:
[0022] 1. Bearing seat; 2. Sliding groove; 3. Magnifying glass; 4. Protractor; 5. U-shaped sliding groove; 6. First rotating rod; 7. First runner; 8. Second rotating rod; 9. Second runner; 10. Flat wire; 11. Driving motor; 12. First gear; 13. Second gear; 14. Third gear. Specific embodiments
[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.
[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0025] Please refer to Figures 1-4 , a flat wire bending test device that is not easily damaged to the surface paint film, including a bearing seat 1. A U-shaped sliding groove 5 is provided on the surface of the bearing seat 1, and a first rotating rod 6 is slidably connected inside the U-shaped sliding groove 5. A first runner 7 is rotatably installed at the upper end of the first rotating rod 6, and a third gear 14 is fixedly connected to the lower end of the first rotating rod 6. A second rotating rod 8 penetrates through the surface of the bearing seat 1, and a second runner 9 is rotatably connected to the upper end of the second rotating rod 8. A first gear 12 is installed at the other end of the second rotating rod 8. A driving motor 11 is fixedly installed on the bottom surface of the bearing seat 1, and the output end of the driving motor 11 is connected to the first gear 12. A second gear 13 is installed on the bottom surface of the bearing seat 1, and the second gear 13 meshes with the first gear 12 and the third gear 14. A sliding groove 2 is provided on the surface of the bearing seat 1, and a slider is slidably connected inside the sliding groove 2. A magnifying glass 3 is installed on the slider, and a protractor 4 is fixedly installed on the top surface of the bearing seat 1 inside the inner side of the sliding groove 2.
[0026] When in use, place the flat wire 10 horizontally on the bearing seat 1, and place the flat wire 10 between the two second runners 9. At this time, the driving motor 11 drives the plurality of first runners 7 to rotate in the U-shaped sliding groove 5 and is in the state as shown in Figure 1 shown, bending the enameled flat wire 10 by 180° in two directions, as shown in Figure 1Observe the condition of the paint film on the enameled flat wire 10 at the bending part in the shown state to obtain the test results. By setting the protractor 4, it is convenient for the staff to master and judge the bending angle of the flat wire 10, avoiding the problem of excessive or insufficient bending angle of the flat wire 10 during the test, ensuring the accuracy of the flat wire 10 test. At the same time, the setting of the magnifying glass 3 is beneficial for the staff to read the bending angle of the flat wire 10. It is not only more user-friendly in design, but also can effectively reduce the risk of misreading the value. By setting multiple bending test stations, multiple groups of bending test results of the flat wire 10 can be obtained at one time, avoiding the contingency of the bending test results of the flat wire 10 and improving the accuracy of the bending test results of the flat wire 10. It should be noted that the driving motor 11 is electrically connected to the control switch (already shown in the attachment) at a corner of the bearing seat 1 through a wire. Figure 1 shown)
[0027] In this embodiment: The diameter of the sliding groove 2 is larger than the diameter of the protractor 4.
[0028] Specifically, the protractor 4 can be set outside the sliding groove 2, which is convenient for mastering the bending angle.
[0029] In this embodiment: The magnifying glass 3 is used in cooperation with the protractor 4.
[0030] Specifically, it can magnify the value on the protractor 4, which is convenient for reading.
[0031] In this embodiment: Protective pads are installed on both the first runner 7 and the second runner 9.
[0032] Specifically, it can avoid scratching the flat wire 10.
[0033] In this embodiment: There are multiple U-shaped sliding grooves 5, and every two of the multiple U-shaped sliding grooves 5 form a group.
[0034] Specifically, multiple groups of stations can test multiple flat wires 10 simultaneously.
[0035] In this embodiment: A flat wire 10 is arranged between the first runner 7 and the second runner 9.
[0036] Specifically, it is convenient to conduct a bending test on the flat wire 10.
[0037] In this embodiment: The controller is of an existing structure, and the control circuit can be realized by simple programming by those skilled in the art. It belongs to the common knowledge in the field. Only its use is involved without modification, so the control method and circuit connection will not be described in detail.
[0038] Working principle: When in use, place the flat wire 10 horizontally on the carrier 1, with the flat wire 10 positioned between two second runners 9. At this time, the driving motor 11 drives multiple first runners 7 to rotate in the U-shaped sliding groove 5 and is in the state as shown in Figure 1 shown, bending the enameled flat wire 10 by 180° in two directions. Observe the condition of the paint film on the enameled flat wire 10 at the bending point in the state as shown in Figure 1 shown to obtain the test results. By setting the protractor 4, it is convenient for the staff to master and judge the bending angle of the flat wire 10, avoiding the problem of excessive or insufficient bending angle of the flat wire 10 during the test, ensuring the accuracy of the flat wire 10 test. At the same time, the setting of the magnifying glass 3 is beneficial for the staff to read the bending angle of the flat wire 10. It is not only more user-friendly in design but also can effectively reduce the risk of misreading the value. By setting multiple groups of bending test stations, multiple groups of bending test results of the flat wire 10 can be obtained at one time, avoiding the contingency of the bending test results of the flat wire 10 and improving the accuracy of the bending test results of the flat wire 10.
[0039] It should be noted that: The model specifications of the driving motor 11 need to be selected and determined according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in this field, so it will not be elaborated in detail.
[0040] The power supply and principle of the driving motor 11 are clear to those skilled in the art and will not be elaborated here.
[0041] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.
Claims
1. A flat wire bending test device that is not easily damaged to the surface paint film, including a bearing seat (1), characterized in that, The surface of the bearing seat (1) is provided with a U-shaped sliding groove (5), and a first rotating rod (6) is slidably connected inside the U-shaped sliding groove (5). A first rotating wheel (7) is rotatably installed at the upper end of the first rotating rod (6). A third gear (14) is fixedly connected to the lower end of the first rotating rod (6). A second rotating rod (8) penetrates through the surface of the bearing seat (1), and a second rotating wheel (9) is rotatably connected to the upper end of the second rotating rod (8). The other end of the second rotating rod (8) is provided with a first gear (12). A driving motor (11) is fixedly installed on the bottom surface of the bearing seat (1), and the output end of the driving motor (11) is connected to the first gear (12). A second gear (13) is installed on the bottom surface of the bearing seat (1), and the second gear (13) meshes with the first gear (12) and the third gear (14). A sliding groove (2) is formed on the surface of the bearing seat (1), and a slider is slidably connected inside the sliding groove (2), and a magnifying glass (3) is installed on the slider. A protractor (4) is fixedly installed on the top surface of the bearing seat (1) inside the sliding groove (2).
2. The flat wire bending test device for not easily damaging the surface paint film according to claim 1, wherein The diameter of the sliding groove (2) is larger than the diameter of the protractor (4).
3. The flat wire bending test device for not easily damaging the surface paint film according to claim 1, characterized in that, The magnifying glass (3) is used in cooperation with the protractor (4).
4. A flat wire bending test device that is not easily damaged to the surface paint film according to claim 1, characterized in that Protective pads are installed on both the first rotating wheel (7) and the second rotating wheel (9).
5. The flat wire bending test device for not easily damaging the surface paint film according to claim 1, characterized in that A plurality of U-shaped sliding grooves (5) are provided, and every two of the plurality of U-shaped sliding grooves (5) form a group.
6. The flat wire bending test device for not easily damaging the surface paint film according to claim 1, characterized in that, A flat wire (10) is provided between the first rotating wheel (7) and the second rotating wheel (9).
Citation Information
Patent Citations
Enameled rectangular wire narrow edge bending test device
CN213933427U