Motor stator wind plate press-fitting device

Abstract

The utility model discloses a motor stator wind plate press-fitting device, which has a first direction and comprises a rack with a bearing surface; the moving table is movably arranged on the bearing surface, and the first driving part is in transmission connection with the moving table and used for driving the moving table to move, so that the moving table is moved and switched between a press-fitting position and a material receiving position; the working table is rotationally arranged on the moving table, and the second driving piece is in transmission connection with the working table and used for driving the working table to rotate; the press-fitting mechanism is arranged on one side, used for bearing, of the bearing surface; the rotating axis of the workbench is parallel to the first direction, and when the movable table moves to the press-fitting position, the press-fitting mechanism conducts press-fitting in the first direction. According to the technical scheme, the automation degree in the stator wind plate press-fitting process can be improved, the labor intensity is relieved, and the position adjusting accuracy is improved.

Description

Technical Field

[0001] The present application relates to the technical field of non-standard automation equipment, and in particular to a motor stator air plate press-fitting device. Background Art

[0002] The motor is generally assembled from a stator and a rotor. During the assembly process of the stator and the rotor, there is a process that requires pressing air plates around the stator.

[0003] At present, in the existing related technologies, the installation of the wind plate is mainly based on manual installation, and the position adjustment of the stator is mostly controlled by manual adjustment, which leads to high labor intensity, unsatisfactory installation accuracy, and cumbersome operation of the press-fitting process. Utility Model Content

[0004] The present application provides a motor stator air plate press-fitting device to solve the technical problems of high labor intensity and unsatisfactory installation precision.

[0005] A motor stator air plate press-fitting device has a first direction, comprising:

[0006] A frame having a load-bearing surface;

[0007] A moving table and a first driving member, wherein the moving table is movably arranged on the carrying surface, and the first driving member is transmission-connected with the moving table to drive the moving table to move, so that the moving table can be moved and switched between a pressing position and a material receiving position;

[0008] A workbench and a second driving member, wherein the workbench is rotatably disposed on the moving platform, and the second driving member is transmission-connected to the workbench for driving the workbench to rotate;

[0009] A press-fitting mechanism, arranged on a side of the bearing surface for bearing;

[0010] Wherein, the rotation axis of the workbench is parallel to the first direction, and when the movable table moves to the press-fitting position, the press-fitting mechanism performs press-fitting along the first direction.

[0011] To implement the above technical solution, the stator is placed on the workbench when assembling the wind plate, and the cooperation between the first driving member and the moving table can enable the stator to move and switch between the press-fitting position and the material receiving position; the cooperation between the second driving member and the workbench can enable the stator to adjust its position around the circumferential direction. In the above, the adjustment of the linear position and circumferential angle of the stator is automatically realized during the press-fitting process, reducing the labor intensity and improving the accuracy of the adjustment.

[0012] As one of the optional embodiments of the present application, a positioning assembly is arranged on the workbench, and the positioning assembly includes a plurality of contour fixing frames circumferentially fixed on the workbench, and the plurality of contour fixing frames are enclosed to form a limiting space.

[0013] The above technical solution is implemented to avoid position deviation and displacement of the stator during the assembly process, ensure the accuracy of stator position adjustment during the assembly process, and improve the assembly quality.

[0014] As one of the optional implementation schemes of the present application, the contoured fixing frame is detachable and fixed on the workbench.

[0015] By implementing the above technical solution, different sized and shaped profiling fixtures can be adapted to motors of different models, thereby improving the adaptability of the device. Moreover, since the profiling fixture is detachable, the device can also be used for other processing steps after the profiling fixture is disassembled.

[0016] As one of the optional implementation schemes of the present application, a mounting shell is fixedly provided on the movable platform, a mounting seat is rotatably provided in the mounting shell, the mounting seat is rotatably arranged in the mounting shell through a bearing, and the workbench is fixed on the mounting seat.

[0017] As one of the optional implementation schemes of the present application, the workbench is detachably mounted on the mounting base.

[0018] As one of the optional embodiments of the present application, the second driving member includes:

[0019] A worm gear fixedly arranged on the peripheral side of the mounting seat;

[0020] Rotating a worm disposed on the mounting housing, wherein the worm is meshed with the worm wheel;

[0021] And a second driving motor is arranged on the workbench, and the second driving motor is connected to the worm gear for driving the worm gear to rotate.

[0022] To implement the above technical solution, a specific structure of a second driving member is disclosed. The second driving member is configured as a worm gear structure, which has more stable operation and a self-locking function, and is more conducive to the stable and accurate assembly process.

[0023] As one of the optional embodiments of the present application, the first driving member includes a screw rod rotatably arranged on the bearing surface for bearing one side, a first driving motor for driving the screw rod to rotate, and a nut threadedly connected to the outside of the screw rod, and the nut is fixedly connected to the moving platform.

[0024] As one of the optional implementation schemes of the present application, an extension platform is fixedly provided on the moving platform, one end of the extension platform away from the moving platform is fixedly connected to the nut, and the second driving motor is arranged on the extension platform.

[0025] As one of the optional embodiments of the present application, the press-fitting mechanism includes:

[0026] A press-fit bracket disposed on the bearing surface for bearing one side;

[0027] A press-fitting driving member disposed on the press-fitting bracket, the press-fitting driving member comprising a moving end moving along the first direction;

[0028] A pressing plate is fixed on the moving end.

[0029] As one of the optional embodiments of the present application, the side of the bearing surface used for bearing is also provided with multiple guide shafts along the first direction, each of the guide shafts is sleeved with a linear bearing, and the press plate is fixedly connected to the multiple linear bearings.

[0030] As one of the optional embodiments of the present application, the orthographic projection of the press plate on the workbench covers the orthographic projection of the stator on the workbench.

[0031] To implement the above technical solution, the pressing plate can cover the pressing range of the four wind plates of the stator. On the one hand, the pressing plate presses one wind plate at a time until it contacts with other wind plates, which can ensure the consistency of the pressing height of multiple wind plates. On the other hand, the pressing plate can be used to press multiple pressing plates at the same time to further improve the pressing efficiency.

[0032] As one of the optional implementation schemes of the present application, a pressure sensor is provided between the mobile end and the press plate.

[0033] One of the above technical solutions has the following advantages or beneficial effects:

[0034] 1. When assembling the wind plate, the stator is placed on the workbench. The cooperation between the first driving member and the moving table can enable the stator to move and switch between the press-fitting position and the material receiving position; the cooperation between the second driving member and the workbench can enable the stator to adjust its position in the circumferential direction. In the above, the adjustment of the linear position and circumferential angle of the stator is automatically realized during the press-fitting process, which reduces the labor intensity and improves the accuracy of the adjustment;

[0035] 2. The second driving member is set to a worm gear structure, which is more stable in operation and has a self-locking function, which is more conducive to the stable and accurate assembly process;

[0036] 3. The coverage of the press-fitting plate is designed to be larger than the coverage of the stator. On the one hand, the press-fitting plate presses one wind plate at a time until it contacts other wind plates, which can ensure the consistency of the press-fitting height of multiple wind plates. On the other hand, the press-fitting plate can be used to press-fit multiple press-fitting plates at the same time to further improve the press-fitting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The technical solution and other beneficial effects of the present application will be made apparent by describing in detail the specific implementation methods of the present application in conjunction with the accompanying drawings.

[0038] Figure 1 is an overall structural diagram of the press-fitting device provided in Example 1 of the present application;

[0039] Figure 2 It is a schematic diagram provided in Example 1 of the present application and mainly used to represent the frame structure;

[0040] Figure 3 It is a schematic diagram mainly used for the position relationship between the mobile platform, the workbench and the bearing surface provided in Example 1 of the present application;

[0041] Figure 4 is a schematic diagram provided in Example 1 of the present application and mainly used to represent the structure of the first driving member;

[0042] Figure 5 It is a structural diagram provided in Example 1 of the present application, mainly used to show that the second driving member and the worktable are rotatably matched with the moving table;

[0043] Figure 6 It is a front view provided in Example 1 of the present application, mainly used to represent the pressing mechanism.

[0044] Reference numerals: 1, frame; 100, frame body; 1001, accommodation space; 1002, avoidance hole; 1003, electric control box; 200, base; 11, bearing surface;

[0045] 2. Mobile platform; 21. Slide rail;

[0046] 3. First driving member; 31. Screw rod; 32. Nut; 33. First driving motor; 311. Limit sensor;

[0047] 4. Workbench;

[0048] 5. Second driving member; 51. Worm gear; 52. Worm; 53. Second driving motor;

[0049] 6. Press-fitting mechanism; 61. Press-fitting bracket; 62. Press-fitting driving member; 621. Moving end; 63. Press-fitting plate;

[0050] 7. Positioning assembly; 71. Profiling fixing frame; 7a. Limiting space;

[0051] 81. mounting shell; 82. mounting seat; 83. bearing;

[0052] 9. Extension platform;

[0053] 10. Guide shaft; 101. Linear bearing;

[0054] 1a. Pressure sensor;

[0055] Z, first direction; X, second direction. DETAILED DESCRIPTION

[0056] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0057] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the term "and / or" in this article is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article, unless otherwise specified, generally indicates that the associated objects before and after are in an "or" relationship.

[0058] The following is combined with Figure 1-6 The present application is further described.

[0059] Reference Figure 1-Figure 3 , a motor stator air plate press-fitting device, having a first direction Z and a second direction X that are perpendicular to each other. The motor stator air plate press-fitting device comprises a frame 1, and the frame 1 has a bearing surface 11. It also comprises a movable table 2, a first driving member 3, a workbench 4 and a second driving member 5 arranged on the bearing surface 11. Among them, the movable table 2 is movably arranged on the bearing surface 11. In this embodiment, the movable table 2 is slidably arranged on the bearing surface 11 through two slide rails 21 parallel to the second direction; the first driving member 3 is transmission-connected with the movable table 2 to drive the movable table 4 to move, so that the movable table 4 can move and switch between the press-fitting position and the material receiving position. The workbench 4 is rotatably arranged on the movable table 2, and the second driving member 5 is transmission-connected with the workbench 4 to drive the workbench 4 to rotate. It also comprises a press-fitting mechanism 6, which is arranged on the side of the bearing surface 11 for bearing, specifically, it is arranged above the press-fitting position. The rotation axis of the workbench 4 is parallel to the first direction Z, the moving direction of the movable table 2 is parallel to the second direction X, and when the movable table 2 moves to the press-fitting position, the press-fitting mechanism 6 performs press-fitting along the first direction Z.

[0060] The above settings make it possible for the stator to be placed on the workbench 4 when assembling the wind plate, and the cooperation of the first driving member 3 driving the movable table 2 can enable the stator to move and switch between the pressing position and the material receiving position; the cooperation of the second driving member 5 driving the workbench 4 can enable the stator to adjust its position in a circumferential direction, and automatically realize the adjustment of the linear position and circumferential angle of the stator during the pressing process, thereby reducing the labor intensity of manpower and improving the accuracy of the adjustment.

[0061] It should be noted that, combined with Figure 2 and Figure 3 Here, the frame 1 includes a frame body 100 mainly composed of steel and a base 200 arranged in the frame body 100, wherein a receiving space 1001 is provided at the bottom of the frame body 100, and the base 200 is fixed in the receiving space 1001. The frame body 100 is set for the stability of the machine and the convenience of installing the electronic control components. For example, an electric control box 1003 is provided on one side of the frame body 100, and a avoidance hole 1002 for avoiding the press-fitting mechanism 6 is provided at the top of the frame body 100. The base 200 mainly plays a supporting role, and the bearing surface 11 is provided on the base 200. Figure 3 It should be noted that the moving platform 2, the first driving member 3, the working platform 4, the second driving member 5 and the pressing mechanism 6 are all built based on the bearing surface 11 in this embodiment, but it is not excluded that some of the above components are built based on the frame 1 in other optional embodiments.

[0062] Reference Figure 3 and Figure 4 In this embodiment, the first driving member 3 includes a screw rod 31 rotatably arranged on the bearing surface 11 for bearing one side, a first driving motor 33 for driving the screw rod 31 to rotate, and a nut 32 threadedly connected to the outside of the screw rod 31, and the nut 32 is fixedly connected to the moving platform 2. Among them, the moving platform 2 is slidably arranged on the bearing surface 11 through two slide rails 21 parallel to the second direction X; the rotation axis of the screw rod 31 is parallel to the bearing surface 11 and parallel to the second direction X, and an extension platform 9 is fixedly provided on the moving platform 2 extending in the direction toward the screw rod 31, and the extension platform 9 is bolted to the moving platform 2, and the end of the extension platform 9 away from the moving platform 2 is fixedly connected to the nut 32. The first driving motor 33 is fixed on the bearing surface 11, and the output shaft of the first driving motor 33 is fixedly connected to the screw rod 31. When the first driving member 3 is working, the first driving motor 33 drives the screw rod 31 to rotate, so that the nut 32 moves along the second direction X, and then drives the movable table 2 to slide along the slide rail 21 along the second direction X, and then drives the workbench 4 to stop at two positions, which are the material receiving position and the pressing position.

[0063] It should be noted that a limit sensor 311 is provided on one side of the screw rod 31. The limit sensor 311 may be a product of existing models such as a travel switch and a proximity switch. The limit sensor 311 is electrically connected to the first drive motor 33 to provide feedback information to assist the first drive motor 33 in accurately controlling the moving position of the moving platform 2.

[0064] Reference Figure 4 and Figure 5 In one of the optional embodiments, a positioning assembly 7 is provided on the workbench 4, and the positioning assembly 7 includes a plurality of profiling fixing frames 71 fixedly arranged on the workbench 4 in a circumferential direction, and the plurality of profiling fixing frames 71 are surrounded to form a limited space 7a. The positioning assembly 7 is used to avoid the position deviation displacement of the stator during the assembly process when the stator is placed on the workbench 4, and to ensure the accuracy of the stator position adjustment during the assembly process, so as to improve the assembly quality. The profiling fixing frame 71 refers to a fixing member manufactured according to the contour of the outer bottom of the stator, and the stator can be limited in all directions when placed in the limited space 7a to maintain a fixed state. Further, the profiling fixing frame 71 is disassembled and fixed on the workbench 4, and the specific profiling fixing frame 71 is bolted to the workbench 4. Profiling fixing frames 71 of different sizes and shapes can be adapted according to different models of motors, thereby improving the adaptability of the device, and because the profiling fixing frame 71 is detachable, the set of devices can also be used for other processing procedures after the profiling fixing frame 71 is disassembled.

[0065] Reference Figure 5 , a mounting shell 81 is fixedly provided on the movable table 2, a mounting seat 82 is rotatably provided in the mounting shell 81, specifically, the mounting seat 82 is rotatably provided in the mounting shell 81 through a bearing 83, the bearing 83 can be a tapered roller bearing 83, the workbench 4 is fixed on the mounting seat 82, the workbench 4 is detachably provided on the mounting seat 82, and in this embodiment, specifically, the workbench 4 is bolted to the mounting seat 82. The second driving member 5 includes a worm wheel 51 fixedly provided on the peripheral side of the mounting seat 82, where the worm wheel 51 refers to the gear ring on the peripheral side of the mounting seat 82; it also includes a worm 52 rotatably provided on the mounting shell 81, the worm 52 meshes with the worm wheel 51; and a second driving motor 53, fixedly provided on the workbench 4, the driving motor is transmission-connected with the worm 52 for driving the worm 52 to rotate. The second driving member 5 is configured as a worm gear structure, which is more stable in operation and has a self-locking function, and is more conducive to the stable and accurate assembly process.

[0066] Reference Figure 3 and Figure 6The press-fitting mechanism 6 includes a press-fitting bracket 61 disposed on the bearing surface 11 for bearing one side; a press-fitting driving member 62 disposed on the press-fitting bracket 61, and the press-fitting driving member 62 includes a moving end 621 moving along the first direction Z; and a press-fitting plate 63, and the press-fitting plate 63 is fixed on the moving end 621. The press-fitting driving member 62 drives the moving end 621 to move along the first direction Z, thereby driving the press-fitting plate 63 to reciprocate along the first direction Z to perform press-fitting work. Specifically, the press-fitting driving member 62 is configured as a screw mechanism, and the moving end 621 is a screw nut. A pressure sensor 1a is provided between the moving end 621 and the press-fitting plate 63 so that the press-fitting driving member 62 can accurately control the downward pressure.

[0067] As one of the optional embodiments of the present application, a side of the bearing surface 11 used for bearing is also provided with a plurality of guide shafts 10 along the first direction Z, each guide shaft 10 is sleeved with a linear bearing 101, and the press plate 63 is fixedly connected to the plurality of linear bearings 101. This setting ensures the accuracy of the movement of the press plate 63 along the first direction Z, thereby improving the press fitting accuracy.

[0068] As one of the optional embodiments of the present application, the orthographic projection of the press plate 63 on the workbench 4 covers the orthographic projection of the stator on the workbench 4. This setting enables the press plate 63 to cover the press-fitting range of four wind plates when the stator is assembled. On the one hand, the press plate 63 presses one wind plate each time until it stops when it contacts other wind plates, which can ensure the consistency of the press-fitting height of multiple wind plates; on the other hand, in other optional embodiments, using this press plate 63, multiple press plates 63 can be press-fitted at the same time to further improve the press-fitting efficiency.

[0069] The following is the complete wind panel assembly process.

[0070] Start the first drive motor 33 to drive the movable platform 2 to move along the second direction X until the movable platform 2 reaches the loading position and stops, wherein the stop position of the movable platform 2 is controlled by the limit sensor 311;

[0071] The transfer mechanism of other processes clamps and moves the stator and places it on the workbench 4, and places the stator in the limited space 7a formed by four contoured fixing frames 71;

[0072] The first driving motor 33 is started to drive the movable platform 2 to move along the second direction X until the movable platform 2 reaches the press-fitting position and stops, wherein the stop position of the movable platform 2 is controlled by the limit sensor 311;

[0073] Manually insert the air plate vertically into the slot of the stator along the first direction Z;

[0074] The press-fitting driving member 62 is started to drive the press-fitting plate 63 to move downward along the first direction Z, and the press-fitting plate 63 contacts the upper end surface of the wind plate and presses downward until the wind plate is pressed into place, wherein the pressure of the press-fitting driving member 62 is monitored by the pressure sensor 1a;

[0075] After the press-fitting is in place, the press-fitting driving member 62 is started to drive the press-fitting plate 63 to retreat away from the wind plate along the first direction Z, so that the press-fitting plate 63 is completely out of contact with the wind plate;

[0076] Start the second drive motor 53 to drive the workbench 4 to rotate, rotate the stator 90°, and then start to press-fit the wind plate on the second side of the stator. Subsequently, press-fit all four side wind plates in sequence according to the previous steps.

[0077] Start the first drive motor 33 to drive the movable table 2 to move along the second direction X until the movable table 2 reaches the loading position and stops. At this time, the loading position is the unloading position, wherein the stop position is controlled by the limit sensor 311;

[0078] The transfer mechanism of other processes transports the stator that has been pressed to the next station, and at the same time clamps the stator without the wind plate installed and places it on the workbench 4, and repeats the above-mentioned pressing operation.

[0079] The above description is only a partial implementation method of the embodiments of the present application and does not constitute any form of limitation on the application. The protection scope of the embodiments of the present application is not limited thereto. Any simple modifications, equivalent changes and modifications that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the embodiments of the present application should be covered within the protection scope of the embodiments of the present application.

Claims

1. A motor stator air plate press-fitting device, having a first direction (Z), characterized in that: include: A frame (1) having a bearing surface (11); A movable table (2) and a first driving member (3), wherein the movable table (2) is movably arranged on the bearing surface (11), and the first driving member (3) is transmission-connected with the movable table (2) for driving the movable table (2) to move, so that the movable table (2) can be moved and switched between a pressing position and a material receiving position; A workbench (4) and a second driving member (5), wherein the workbench (4) is rotatably arranged on the movable platform (2), and the second driving member (5) is transmission-connected to the workbench (4) for driving the workbench (4) to rotate; A press-fitting mechanism (6) is arranged on a side of the bearing surface (11) for bearing; The rotation axis of the workbench (4) is parallel to the first direction (Z), and when the movable table (2) moves to the pressing position, the pressing mechanism (6) presses along the first direction (Z).

2. The motor stator air plate press-fitting device according to claim 1, characterized in that: A positioning assembly (7) is arranged on the workbench (4), and the positioning assembly (7) comprises a plurality of contour fixing frames (71) circumferentially fixedly arranged on the workbench (4), and the plurality of contour fixing frames (71) are combined to form a limiting space (7a).

3. The motor stator air plate press-fitting device according to claim 2, characterized in that: The contour fixing frame (71) is detachably fixed on the workbench (4).

4. The motor stator air plate press-fitting device according to claim 1, characterized in that: A mounting shell (81) is fixedly provided on the movable platform (2), a mounting seat (82) is rotatably provided in the mounting shell (81), the mounting seat (82) is rotatably arranged in the mounting shell (81) via a bearing (83), and the workbench (4) is fixed on the mounting seat (82).

5. The motor stator air plate press-fitting device according to claim 4, characterized in that: The workbench (4) is detachably mounted on the mounting seat (82).

6. The motor stator air plate press-fitting device according to claim 4 or 5, characterized in that: The second driving member (5) comprises: A worm gear (51) fixedly arranged on the peripheral side of the mounting seat (82); Rotating a worm (52) disposed on the mounting housing (81), wherein the worm (52) meshes with the worm wheel (51); and a second drive motor (53) disposed on the workbench (4); the second drive motor (53) is drivingly connected to the worm (52) for driving the worm (52) to rotate.

7. The motor stator air plate press-fitting device according to claim 6, characterized in that: The first driving member (3) comprises a screw rod (31) rotatably arranged on the bearing surface (11) for bearing one side, a first driving motor (33) for driving the screw rod (31) to rotate, and a nut (32) threadedly connected to the outside of the screw rod (31), wherein the nut (32) is fixedly connected to the moving platform (2).

8. The motor stator air plate press-fitting device according to claim 7, characterized in that: An extension platform (9) is fixedly provided on the movable platform (2), one end of the extension platform (9) away from the movable platform (2) is fixedly connected to the nut (32), and the second drive motor (53) is arranged on the extension platform (9).

9. The motor stator air plate press-fitting device according to claim 1, characterized in that: The press-fitting mechanism (6) comprises: A press-fit bracket (61) disposed on the bearing surface (11) for bearing one side; A press-fitting driving member (62) disposed on the press-fitting bracket (61), the press-fitting driving member (62) comprising a moving end (621) moving along the first direction (Z); A pressing plate (63), wherein the pressing plate (63) is fixed on the moving end (621).

10. The motor stator air plate press-fitting device according to claim 9, characterized in that: The side of the bearing surface (11) used for bearing is also provided with a plurality of guide shafts (10) along the first direction (Z), each of the guide shafts (10) is sleeved with a linear bearing (101), and the press plate (63) is fixedly connected to the plurality of linear bearings (101).

11. The motor stator air plate press-fitting device according to claim 9 or 10, characterized in that: The orthographic projection of the pressing plate (63) on the workbench (4) covers the orthographic projection of the stator on the workbench (4).

12. The motor stator air plate press-fitting device according to claim 9, characterized in that: A pressure sensor (1a) is provided between the movable end (621) and the pressing plate (63).

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