Shaded pole motor stator riveting die

Abstract

The utility model discloses a shaded pole motor stator riveting die which comprises a lower die plate, and four middle die guide columns are arranged at the upper end of the lower die plate. The middle mold movable plate is arranged above the lower mold plate, the middle mold guide column penetrates through the middle mold guide column, the outer side of the middle mold guide column is sleeved with a spring which abuts against the middle mold movable plate, a hollowed-out groove is formed in the middle of the middle mold movable plate, and a middle mold is correspondingly installed on the lower side of the hollowed-out groove; the upper mold plate is movably arranged above the middle mold movable plate, and an upper mold pressing block is arranged on the lower side of the upper mold plate; the lower die movable plate is arranged on the upper side of the lower die plate in a sliding mode, the lower die movable plate is pushed by an air cylinder on one side of the lower die plate to move, and a stator positioning structure is installed on the upper side of the lower die movable plate. The stator riveting die can solve the problems that an existing stator riveting die is unreasonable in machining efficiency in the riveting process, a framework is prone to being crushed or damaged, turn-to-turn short circuit of a coil is prone to occurring, and withstand voltage is unqualified.

Description

Technical Field

[0001] The utility model relates to the technical field of new shaded-pole motor production equipment, in particular to a shaded-pole motor stator riveting die. Background Art

[0002] The shaded pole motor is a commonly used motor with a relatively simple structure. It is widely used in electrical appliances. In the production process of the shaded pole motor, a stator riveting die is often used. Different dies are composed of different parts. The main and auxiliary stators are also riveted together during production. The die design in the existing technology is unreasonable, which wastes a certain amount of time during riveting and affects the processing efficiency. In addition, the existing technology can easily cause the skeleton to be crushed or damaged, and can easily cause the coil to have a short circuit between turns and fail the voltage resistance test, affecting the product qualification rate. Utility Model Content

[0003] The utility model provides a shaded-pole motor stator riveting die, which can solve the problems of unreasonable processing efficiency, easy crushing or damage of the frame, easy turn short circuit of the wire package and unqualified withstand voltage of the existing stator riveting die during the riveting process.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shaded-pole motor stator riveting die, comprising a lower die plate, the upper end of the lower die plate is provided with four middle die guide pillars, the middle die guide pillars; a middle die movable plate, arranged above the lower die plate, the middle die guide pillars pass through the middle die guide pillars, the outer side of the middle die guide pillars is sleeved with a spring for supporting the middle die movable plate, a hollow groove is opened in the middle of the middle die movable plate, and the middle die is correspondingly installed on the lower side of the hollow groove; an upper die plate, movably arranged above the middle die movable plate, and the lower side of the upper die plate is provided with An upper mold block corresponding to the hollow groove is provided; a lower mold movable plate is slidably arranged on the upper side of the lower mold plate and is located below the middle mold movable plate. The lower mold movable plate is moved by a cylinder on one side of the lower mold plate. A fixed lower mold table is installed on the upper side of the lower mold movable plate. A fixed middle mold is placed on the upper side of the fixed lower mold table. A stator positioning column is installed on the upper side of the fixed middle mold. The shape of the middle mold is the same as that of the stator frame and is interference fit. The frame is deformed after winding, so that the middle mold shapes and fixes the frame. The lower mold movable plate facilitates the placement and removal of riveted products.

[0005] Preferably, two lower mold movable plate positioning columns are provided on the lower mold movable plate. When the fixed lower mold platform is located directly below the hollow groove, the lower mold movable plate positioning columns correspond to the positioning holes on the middle mold movable plate. The lower mold movable plate positioning columns can accurately locate the position between the middle mold movable plate and the lower mold movable plate.

[0006] Preferably, movable slide plate limit strips are provided on both sides of the lower mold movable plate on the upper side of the lower mold plate to guide the sliding of the lower mold movable plate.

[0007] Preferably, a fixed cylinder baffle is installed on the side of the lower template, and the cylinder is installed on the fixed cylinder baffle to facilitate the installation of the cylinder.

[0008] Preferably, an upper mold fixing column is vertically installed in the middle of the upper mold plate, and an upper mold guide column is vertically connected to the upper end of the upper mold plate. The upper mold fixing column facilitates the installation of the upper mold plate on the press, and the upper mold guide column facilitates the guidance of the lifting and lowering of the upper mold plate.

[0009] Preferably, the middle mold movable plate is vertically penetrated with a long limiting screw connected to the lower mold plate to limit the rising position of the middle mold movable plate and prevent the middle mold movable plate from detaching from the middle mold guide column.

[0010] Preferably, a middle mold guide sleeve is installed on the middle mold movable plate at a position corresponding to the middle mold guide column, and the middle mold guide sleeve can guide the lifting and lowering of the middle mold movable plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The shape of the middle die is the same as that of the stator frame and they are interference fit. The frame is deformed after winding, so that the middle die can shape and fix the frame, so that the frame will not be crushed or damaged when the main and auxiliary stators are riveted together. The movable plate of the lower die facilitates the placement and removal of riveted products, which can improve product quality and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structural diagram of the utility model from the first perspective;

[0014] Figure 2 This is a second perspective three-dimensional structural diagram of the utility model;

[0015] Figure 3 This is the main structural diagram of the utility model;

[0016] Figure 4 It is a side structural diagram of the utility model;

[0017] Figure 5 It is a three-dimensional structural diagram of the utility model in an exploded state. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] like Figure 1-5 As shown, the utility model provides a shaded-pole motor stator riveting die, comprising a lower die plate 10, wherein the upper end of the lower die plate 10 is provided with four middle die guide pillars 13, the middle die guide pillars 13; a middle die movable plate 4, which is arranged above the lower die plate 10, wherein the middle die guide pillars 13 are arranged through the middle die guide pillars 13, wherein the outer side of the middle die guide pillars 13 is sleeved with a spring 16 for supporting the middle die movable plate 4, wherein a hollow groove is provided in the middle of the middle die movable plate 4, wherein the middle die 5 is correspondingly installed on the lower side of the hollow groove; an upper die plate 12, which is movably arranged above the middle die movable plate 4, wherein the lower side of the upper die plate 12 is provided with a spring 16 for supporting the middle die movable plate 4 The upper mold block 3 corresponds to the upper mold block 3; the lower mold movable plate 23 is slidably arranged on the upper side of the lower mold plate 10 and is located below the middle mold movable plate 4. The lower mold movable plate 23 is pushed and moved by the cylinder 7 on one side of the lower mold plate 10. A fixed lower mold table 20 is installed on the upper side of the lower mold movable plate 23. A fixed middle mold 19 is placed on the upper side of the fixed lower mold table 20. A stator positioning column 18 is installed on the upper side of the fixed middle mold 19. The shape of the middle mold 5 is the same as that of the stator skeleton and is interference fit. The skeleton is deformed after winding, so that the middle mold 5 shapes and fixes the skeleton. The lower mold movable plate 23 facilitates the placement and removal of riveted products.

[0020] Specifically, the shape of the hollow groove in the middle of the middle mold movable plate 4 matches the middle mold 5, the middle mold 5 is fixedly connected to the middle mold movable plate 4 through the middle mold locking screws 6, and the upper mold plate 12 can be installed on the press.

[0021] As the working principle of this embodiment, the cylinder 7 pushes the lower mold movable plate 23 forward, and the auxiliary stator is first placed in the stator positioning column 18. The cylinder 7 pushes the lower mold movable plate 23 to move to the bottom of the middle mold 5, and the main stator skeleton is placed in the middle mold 5. When the upper mold is pressed down, the upper mold pressing block 3 can press the main stator skeleton down. After the skeleton is shaped by the middle mold 5, the main stator skeleton and the auxiliary stator are riveted together by the downward movement of the middle mold movable plate 4 to avoid crushing the skeleton or the enameled wire, thereby completing the riveting of the main and auxiliary stators.

[0022] In this embodiment, if Figure 1 As shown, two lower mold movable plate positioning columns 17 are arranged on the lower mold movable plate 23. When the fixed lower mold platform 20 is located directly below the hollow groove, the lower mold movable plate positioning columns 17 correspond to the positioning sockets on the middle mold movable plate 4. The lower mold movable plate positioning columns 17 can accurately locate the position between the middle mold movable plate 4 and the lower mold movable plate 23.

[0023] In this embodiment, if Figure 1-2As shown, movable slide limit strips 22 are provided on both sides of the lower mold movable plate 23 on the upper side of the lower mold 10 to guide the sliding of the lower mold movable plate 23. The movable slide limit strips 22 are connected to the lower mold 10 by screws.

[0024] In order to better fix the cylinder 7, Figure 1 As shown, a fixed cylinder baffle 9 is installed on the side of the lower template 10, and the cylinder 7 is installed on the fixed cylinder baffle 9, which is convenient for installing the cylinder 7.

[0025] In this embodiment, if Figure 1 As shown, an upper mold fixing column 1 is vertically installed in the middle of the upper mold plate 12, and an upper mold guide column 11 is vertically connected to the upper end of the upper mold plate 12. The upper mold fixing column 1 facilitates the installation of the upper mold plate 12 on the press, and the upper mold guide column 11 facilitates the guidance of the lifting and lowering of the upper mold plate 12.

[0026] At the same time, in order to limit the middle mold movable plate 4, a long limiting screw 14 connected to the lower mold plate 10 is vertically penetrated on the middle mold movable plate 4 to limit the rising position of the middle mold movable plate 4 and prevent the middle mold movable plate 4 from detaching from the middle mold guide column 13.

[0027] In this embodiment, if Figure 1-2 As shown, a middle mold guide sleeve 15 is installed on the middle mold movable plate 4 at a position corresponding to the middle mold guide pillar 13, and the middle mold guide sleeve 15 can guide the lifting and lowering of the middle mold movable plate 4.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A shaded-pole motor stator riveting die, characterized in that: include: A lower mold plate (10), wherein the upper end of the lower mold plate (10) is provided with four middle mold guide pillars (13); The middle mold movable plate (4) is arranged above the lower mold plate (10), the middle mold guide column (13) passes through the middle mold guide column (13), the outer side of the middle mold guide column (13) is sleeved with a spring (16) for supporting the middle mold movable plate (4), the middle part of the middle mold movable plate (4) is provided with a hollow groove, and the lower side of the hollow groove is correspondingly installed with the middle mold (5); An upper mold plate (12) is movably arranged above the middle mold movable plate (4), and an upper mold pressing block (3) corresponding to the hollow groove is arranged on the lower side of the upper mold plate (12); A lower mold movable plate (23) is slidably arranged on the upper side of the lower mold plate (10) and below the middle mold movable plate (4); the lower mold movable plate (23) is pushed and moved by a cylinder (7) on one side of the lower mold plate (10); a fixed lower mold platform (20) is installed on the upper side of the lower mold movable plate (23); a fixed middle mold (19) is placed on the upper side of the fixed lower mold platform (20); and a stator positioning column (18) is installed on the upper side of the fixed middle mold (19).

2. The shaded-pole motor stator riveting die according to claim 1, characterized in that: The lower mold movable plate (23) is provided with two lower mold movable plate positioning columns (17). When the fixed lower mold platform (20) is located directly below the hollow groove, the lower mold movable plate positioning columns (17) correspond to the positioning sockets on the middle mold movable plate (4).

3. The shaded-pole motor stator riveting die according to claim 1, characterized in that: The upper side of the lower mold plate (10) is provided with movable slide plate limit strips (22) on both sides of the lower mold movable plate (23).

4. The shaded-pole motor stator riveting die according to claim 1, characterized in that: A fixed cylinder baffle (9) is installed on the side of the lower template (10), and the cylinder (7) is installed on the fixed cylinder baffle (9).

5. The shaded-pole motor stator riveting die according to claim 1, characterized in that: An upper mold fixing column (1) is vertically installed in the middle of the upper mold plate (12), and an upper mold guide column (11) is vertically connected to the upper end of the upper mold plate (12).

6. The shaded-pole motor stator riveting die according to claim 1, characterized in that: The middle mold movable plate (4) is vertically penetrated with a limiting long screw (14) connected to the lower mold plate (10).

7. The shaded-pole motor stator riveting die according to claim 6, characterized in that: A middle mold guide sleeve (15) is installed on the middle mold movable plate (4) at a position corresponding to the middle mold guide column (13).

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