Semi-cutting machining die for motor claw pole plate

Abstract

The utility model discloses a motor claw pole plate half-cutting machining die which comprises a lower die inner fixing part assembly, a lower die inner fixing part assembly and a lower die inner fixing part assembly. The bottom of the lower die inner fixing part assembly supports a motor claw pole plate. The lower die inner fixed part assembly comprises a neck bush and a supporting block, wherein a hollow cylindrical containing cavity is formed in the neck bush, and the supporting block is arranged in the containing cavity. One end, facing the motor claw pole plate, of the neck bush is also provided with an insertion port communicated with the accommodating cavity; and when the plate-shaped main body part of the motor claw pole plate is supported on the neck bush, the pole teeth of the motor claw pole plate are suitable for extending into the accommodating cavity from the insertion opening, and the outer wall surface of at least part of the supporting block is suitable for being matched with the cavity wall surface of the accommodating cavity to form a radial limiting interval for clamping the pole teeth. According to the motor claw pole plate semi-cutting machining die, the stability of pole teeth of the motor claw pole plate in the semi-cutting machining process can be improved.

Description

Technical Field

[0001] The utility model relates to the field of motor processing, in particular to a motor claw pole plate half-cut processing die. Background Art

[0002] Claw pole plates are a crucial component in electric motors. Their structure generally consists of a plate-like body, with varying shapes, including arcs, and pole teeth at its center. High-precision automotive motor claw pole plates feature simple shapes and high production volumes, requiring high dimensional accuracy. The precision of stamped parts is determined by the accuracy of the mold, making it crucial to ensure a well-designed structure that maintains this precision.

[0003] In the process of processing claw pole plates of automobile motors, half shearing or half cutting (i.e. punching the product out of the raw material without breaking it, which we call "half shearing" or "half cutting") is generally achieved by using the upper punch 100 and the lower die 200 in combination. For example Figure 1 As shown, the lower groove 200 in the processing mold commonly used in the prior art allows the pole teeth 331 of the motor claw pole plate to enter the lower groove 200 during stamping, without any protective effect on the pole teeth 331 of the motor claw pole plate. During stamping, the pole teeth 331 of the motor claw pole plate are easily deformed due to the punching force.

[0004] Therefore, in order to solve the problem that the pole teeth of the motor claw pole plates may be deformed during the existing half-shearing process of the motor claw pole plates, it is necessary to optimize and improve the processing mold. Utility Model Content

[0005] The utility model aims to provide a motor claw pole plate half-cutting processing die, so as to solve the technical problem of reducing the probability of pole teeth being deformed during the half-cutting processing of the motor claw pole plate.

[0006] The motor claw pole plate half-cutting processing die of the utility model is realized as follows:

[0007] A motor claw pole plate half-cutting processing die, comprising: a lower die inner fixing component suitable for bottom supporting the motor claw pole plate;

[0008] The lower die inner fixing component comprises: an inner sleeve with a hollow cylindrical accommodating cavity and a supporting block arranged in the accommodating cavity;

[0009] The end of the inner sleeve facing the motor claw pole plate is also provided with an insertion port communicating with the accommodating cavity;

[0010] When the plate-shaped main body of the motor claw pole plate is supported on the inner sleeve, the pole teeth of the motor claw pole plate are suitable for extending from the insertion port into the accommodating cavity, and at least part of the outer wall surface of the support block is suitable for cooperating with the cavity wall surface of the accommodating cavity to form a radial limiting interval for clamping the pole teeth.

[0011] In an optional implementation of the present invention, the support block comprises at least a support platform in the shape of a truncated cone;

[0012] The outer diameter of one end of the support platform facing the insertion port is smaller than the outer diameter of the other end of the support platform away from the insertion port.

[0013] In an optional implementation of the present invention, there is a distance along the axial direction of the accommodating cavity between the end of the plate-shaped main body of the support block facing the motor claw pole plate and the insertion opening.

[0014] In an optional implementation of the present invention, the support block is integrally formed in the accommodating cavity.

[0015] In an optional implementation of the present invention, the support block is detachably assembled and fixed in the accommodating cavity.

[0016] In an optional implementation of the present invention, a support block is provided in the inner sleeve for receiving the supporting block from the side facing away from the insertion port.

[0017] In an optional embodiment of the present invention, the support block is provided with a T-shaped through hole extending through both axial ends thereof and suitable for the passage of a bolt; and

[0018] The support block is provided with a threaded hole suitable for cooperating with a bolt.

[0019] In an optional embodiment of the present invention, the inner sleeve is provided with an open opening at one end facing away from the insertion opening and communicating with the accommodating cavity; and

[0020] The support block is suitable for being inserted into the accommodating cavity from the open opening;

[0021] The side wall of the inner sleeve is provided with at least one limiting hole extending along the radial direction of the accommodating cavity and suitable for the pin to pass through, and the side wall of the support block is provided with a positioning hole suitable for some pins to be inserted.

[0022] In an optional implementation of the present invention, the motor claw pole plate half-cutting processing mold further includes a lower mold base that is slidably matched with the stator assembly in the lower mold;

[0023] The lower mold plate is provided with a movable cavity which is in sliding cooperation with the fixed component in the lower mold; and

[0024] The lower mold inner fixing component is also connected to an elastic support component;

[0025] The elastic support assembly includes a connecting column connected to the support block and an elastic support block connected to a side of the connecting column facing away from the support block;

[0026] The elastic support block is provided in the lower mold base; and

[0027] A lower die pad is provided between the lower die plate and the lower die base. The connecting column penetrates the lower die pad and then extends into the lower die base to be connected with the elastic support block.

[0028] In an optional implementation of the present utility model, the motor claw pole plate half-cutting processing mold further includes an upper mold mechanism;

[0029] The upper die mechanism comprises at least a half shearing punch adapted to be partially inserted into the active cavity.

[0030] By adopting the above-mentioned technical solution, the present invention has the following beneficial effects: The motor claw plate half-cutting die of the present invention utilizes a lower die internal fixed component assembly, with a support block designed within the inner sleeve. At least a portion of the outer wall of the support block cooperates with the wall of the accommodating cavity to form a radial limit zone for clamping the pole teeth. With this structure, the pole teeth of the motor claw plate are protected from deformation by the punch pressure during the half-cutting process. The design of the support block provides protection against deformation of the pole teeth. Therefore, the motor claw plate half-cutting die of the present invention can improve the stability of the pole teeth of the motor claw plate during the half-cutting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A schematic structural diagram of a motor claw pole plate half-cutting mold in the prior art;

[0032] Figure 2 It is a structural schematic diagram of the upper mold mechanism and the lower mold mechanism of the motor claw pole plate half-cutting mold of the utility model in the mold opening state;

[0033] Figure 3 It is a partial structural diagram of the lower die mechanism of the motor claw pole plate half-cutting die of the utility model;

[0034] Figure 4 This is a structural diagram of the support block of the utility model;

[0035] Figure 5 This is a structural schematic diagram of the support block of the lower die inner fixed part assembly of the motor claw pole plate half-cutting processing die of the utility model;

[0036] Figure 6 This is a schematic structural diagram of the lower die inner fixing component assembly of the motor claw pole plate half-cutting processing die of the present invention;

[0037] Figure 7The figure is a schematic diagram of the cooperation between the support platform of the support block and the pole teeth of the fixed part assembly in the lower die of the motor claw pole plate half-cutting processing die of the present invention.

[0038] In the figure: upper punch 100, lower die 200, pole tooth 331, material strip 1, upper die base 2, upper elastic member 3, radial gap 4, upper die pad 5, upper fixed plate 6, stop plate 7, unloading plate 8, lower die plate 10, lower die pad 11, lower die base 12, elastic support member 13, elastic support block 16, connecting column 17, guide hole 19, guide column 22, half shear punch 25, guide pin 27, unloading bolt 28, pin 30, inner sleeve 31, accommodating cavity 311, support block 32, positioning hole 321, plate-like main body 33, pole tooth 331, bolt 34, support block 35, support platform 351, columnar base 352, T-shaped through hole 353, floating pin 36, guide hole 37. DETAILED DESCRIPTION

[0039] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0040] See also Figures 2 to 7 As shown, this embodiment provides a motor claw pole plate half-cutting die, comprising: an upper die mechanism and a lower die mechanism for use together, and a material strip 1 positioned between the upper and lower die mechanisms. The material strip 1 moves between the upper and lower die mechanisms to drive the synchronous movement of the motor claw pole plates. It should be noted that, along the direction of movement of the material strip 1, the preceding process of the motor claw pole plate half-cutting die of this embodiment is also designed with other stamping dies, such as for forming the pole teeth 331 of the motor claw pole plates on the material strip 1. After the pole teeth 331 are stamped and formed, the material strip 1 transports the motor claw pole plates to the motor claw pole plate half-cutting die for half-cutting.

[0041] Next, let's talk about the upper mold mechanism in detail. It can adopt any mature means in the existing technology, and this embodiment does not make an absolute limitation on this. Generally speaking, the upper mold mechanism includes an upper mold base 2, an upper mold pad 5 connected to the side of the upper mold base 2 facing the lower mold mechanism, an upper fixed plate 6 connected to the upper mold pad 5, and a stop plate 7 and a stripper plate 8 provided on the side of the upper fixed plate 6 facing the lower mold mechanism. The stop plate 7 is connected to the stripper plate 8, and both are connected to the upper mold pad 5 via a stripper bolt 28; a through-connected receiving cavity is provided between the upper mold pad 5 and the upper mold base 2, and the stripper bolt 28 passes through the upper fixed plate 6 and is inserted into the receiving cavity, and an upper elastic member 3 is provided in the receiving cavity for abutting the stripper bolt 28.

[0042] Based on the above, the upper fixing plate 6 is further fixedly connected to one end of the half-shearing punch 25. A sliding cavity suitable for slidingly engaging with the half-shearing punch 25 is also provided between the stop plate 7 and the stripper plate 8. The end of the sliding cavity facing the lower die mechanism is open, allowing the half-shearing punch 25 to pass through. Furthermore, a raised guide pin 27 is provided on the side of the stripper plate 8 facing the lower die mechanism.

[0043] Finally, the upper mold mechanism also includes a guide column 22 fixedly connected to the upper fixed plate 6, and a guide cavity suitable for sliding cooperation with the guide column 22 is provided between the stop plate 7 and the unloading plate 8. The end of the guide column 22 away from the upper fixed plate 6 passes through the guide cavity and extends toward the lower mold mechanism.

[0044] Next, we will discuss the lower mold mechanism, which includes at least a lower mold internal stator assembly suitable for supporting the motor claw pole plates. The lower mold internal stator assembly used in this embodiment comprises an inner sleeve 31 defining a hollow cylindrical accommodating cavity 311 and a support block 35 disposed within the accommodating cavity 311. The end of the inner sleeve 31 facing the motor claw pole plates also has an insertion port that communicates with the accommodating cavity 311.

[0045] Based on the above structure, when the plate-shaped main body 33 of the motor claw pole plate is supported on the inner sleeve 31, the pole teeth 331 of the motor claw pole plate are suitable for extending from the insertion port into the accommodating cavity 311, and at least part of the outer wall surface of the support block 35 is suitable for cooperating with the cavity wall surface of the accommodating cavity 311 to form a radial limiting interval for clamping the pole teeth 331.

[0046] Based on the above, it should be noted that the support block 35 of this embodiment includes a cylindrical support platform 351 and a columnar base 352 connected to the support platform 351. The outer diameter of the columnar base 352 is larger than the outer diameter of the support platform 351. The columnar base 352 is primarily used to form a secure fit with the accommodating cavity 311, while the support platform 351 is used to provide internal support for the pole teeth 331. Furthermore, the radial gap 4 formed between the support platform 351 and the cavity wall of the accommodating cavity 311 is of uniform size along the axial direction of the accommodating cavity 311. This radial gap 4 is sufficient to accommodate the insertion of the pole teeth 331. However, this radial gap 4 only accommodates the use of pole teeth 331 of a certain thickness. For pole teeth 331 of different thicknesses, an appropriate support block 35 or lower mold internal stator assembly is required.

[0047] To this end, in order to improve the use requirements of the support block 35 in the lower mold inner stator assembly of this embodiment for the pole teeth 331 of different thicknesses within a certain range, and at the same time improve the smoothness of the pole teeth 331 inserted into the radial gap 4 formed by the support platform 351 and the accommodating cavity 311, an optional implementation is described in detail with reference to the accompanying drawings:

[0048] First, the support block 35 includes a support platform 351 in the shape of a truncated cone and a columnar base 352 connected to the support platform 351, wherein the columnar base 352 is mainly used to form a reliable fit with the accommodating cavity 311, and the support platform 351 is used to form an inner support for the pole teeth 331.

[0049] Furthermore, the outer diameter of the end of the support platform 351 facing the insertion port is smaller than the outer diameter of the end of the support platform 351 facing away from the insertion port. This structure means that the radial gap 4 formed between the outer wall of the support platform 351 and the wall of the accommodating cavity 311 has a gradually decreasing radial dimension from the insertion port toward the interior of the accommodating cavity 311. With this structure, as the pole tooth 331 is gradually inserted into the accommodating cavity 311, the pole tooth 331 moves from the larger portion of the radial gap 4 to the smaller portion. This not only meets the need for inner support for the pole tooth 331, but also improves the smoothness of the insertion process. Based on this structure, pole teeth 331 of different thicknesses have different insertion depths relative to the radial gap 4. Therefore, the frustum-shaped support platform 351 design can meet the needs of pole teeth 331 of varying thicknesses within a certain range.

[0050] In addition, it is necessary to explain that in an optional embodiment, there is an axial spacing between the end of the plate-shaped main body 33 of the support block 35 facing the motor claw pole plate and the insertion port along the accommodating cavity 311. The design of this axial spacing can also improve the smoothness of the insertion process of the pole teeth 331. Therefore, theoretically speaking, the end of the plate-shaped main body 33 of the support block 35 facing the motor claw pole plate can also be flush with the insertion port. As long as it is ensured that the end of the plate-shaped main body 33 of the support block 35 facing the motor claw pole plate does not extend outside the inner sleeve 31, the use requirements of this embodiment can be met. This embodiment does not impose an absolute limitation on this.

[0051] Regarding the matching mode of the support block 35 and the inner sleeve 31, in a first optional implementation, the inner sleeve 31 is integrally formed in the accommodating cavity 311. In a second optional implementation, the inner sleeve 31 is detachably assembled and fixed in the accommodating cavity 311. This detachable assembly mode allows for timely replacement of the support block 35 when it becomes worn, or replacement of the corresponding support block 35 to accommodate the requirements of pole teeth 331 of different sizes. Therefore, this implementation is more practical than the one-piece processing method. Therefore, this embodiment is described in detail with reference to the second implementation in conjunction with the accompanying drawings:

[0052] The inner sleeve 31 is provided with a support block 32 that receives the support block 35 from the side facing away from the insertion port. The support block 32 is fixed in the inner sleeve 31 , and the support block 35 is fixed in the accommodating cavity 311 by the fixed cooperation between the support block 32 and the support block 35 .

[0053] Regarding the assembly and fixing method between the bracket block 32 and the support block 35:

[0054] In a first optional embodiment, the support block 35 is provided with a T-shaped through-hole 353 extending through both axial ends thereof for the passage of the bolt 34; and the support block 32 is provided with a threaded hole adapted to engage with the bolt 34. Specifically, the T-shaped through-hole 353 includes a large inner diameter hole and a small inner diameter hole that intersect and fit together. The nut of the bolt 34 is loosely fitted with the large inner diameter hole, while the shank of the bolt 34 is loosely fitted with the small inner diameter hole. When the shank of the bolt 34 is tightened and engaged with the support block 32, the support block 35 is clamped between the nut and the support block 32, thereby ensuring the reliability of the axial position of the support block 35 within the accommodating cavity 311. In terms of the radial direction of the support block 35, this is achieved through the cooperation between the accommodating cavity 311 and the columnar base 352.

[0055] In the second optional implementation, a nut portion can be directly processed and formed on the support block 35. At this time, a raised screw portion can be provided at the end of the support block 35 facing the support block 32, and the support block 32 is also preset with a threaded hole. In this way, the threaded cooperation between the screw portion and the support block 32 is achieved by the rotation of the support block 35 in the accommodating cavity 311, thereby achieving a reliable connection between the support block 35 and the support block 32.

[0056] Based on the above situation, it is further explained that the assembly relationship between the support block 32 and the inner sleeve 31 of this embodiment is as follows:

[0057] In a first optional implementation, the support block 32 is directly integrally formed in the accommodating cavity 311 of the inner sleeve 31 .

[0058] In a second optional embodiment, the support block 32 and the accommodating cavity 311 of the inner sleeve 31 are detachably assembled. More specifically, the end of the inner sleeve 31 facing away from the insertion opening is provided with an opening communicating with the accommodating cavity 311, and the support block 32 is adapted to be inserted into the accommodating cavity 311 through the opening. For example, to facilitate operation, the inner sleeve 31 is secured to the accommodating cavity 311 by, for example, at least one retaining hole extending radially along the accommodating cavity 311, adapted for passage of the pin 30, and the sidewall of the support block 32 is provided with a positioning hole 321 adapted for insertion of a portion of the pin 30. With this structure, only the pin 30 needs to be inserted and removed. The pin 30 and the positioning hole 321 form a transitional fit, securing the connector to the sleeve, and the pin 30 serves to position the support block 32. Theoretically, the inner sleeve 31 and the support block 32 could also be secured relative to each other using a threaded fit.

[0059] In addition, based on the above structure, it should be noted that the lower mold mechanism also includes a lower mold base 12 that slides with the lower mold internal fixed part assembly, a lower mold pad 11 connected to the lower mold base 12, and a lower mold plate 10 connected to the side end of the lower mold pad 11 toward the upper mold mechanism.

[0060] Furthermore, a movable cavity is provided in the lower mold plate 10 for sliding cooperation with the fixed component in the lower mold. The depth of the movable cavity is greater than the height of the fixed component in the lower mold, so that the fixed component in the lower mold can be lifted and lowered as a whole in the movable cavity when the upper mold mechanism and the lower mold mechanism are closed. Since this embodiment is mainly used to realize half-cutting processing of the plate-like main body 33 of the motor claw pole plate, when the upper mold mechanism and the lower mold mechanism are closed, the fixed component in the lower mold only needs to move in a small range in the movable cavity. Therefore, the depth of the movable cavity and the height difference between the fixed component in the lower mold do not need to be too large.

[0061] Furthermore, to accommodate the lifting and lowering motion requirements of the lower die internal stator assembly, the lower die internal stator assembly is also connected to an elastic support assembly. As an example of an optional scenario, as illustrated in the accompanying drawings, the elastic support assembly includes a connecting column 17 connected to a support block 32 and an elastic support block 16 connected to the side of the connecting column 17 facing away from the support block 32; the elastic support block 16 is disposed within the lower die base 12; and the connecting column 17 penetrates the lower die pad 11, is inserted into the lower die base 12, and is connected to the elastic support block 16. Because the support block 32 is fixedly connected to the inner sleeve 31, the connection between the elastic support assembly and the support block 32 provides elastic support for the entire lower die internal stator assembly.

[0062] In addition, considering the coordination with the upper mold mechanism, the lower mold mechanism also includes the following structures:

[0063] A guide hole 37 suitable for inserting the guide pin 27 is provided in the lower template 10; a guide hole 19 suitable for inserting the guide column 22 is provided between the lower template 10 and the lower mold pad 11; and the lower template 10 is also slidably fitted with a floating pin 36, which is used to support the material strip 1, and an elastic support member 13 for abutting and cooperating with the floating pin 36 is provided through the lower mold pad 11 and the lower mold base 12; one end of the floating pin 36 extends out from the side of the lower template 10 facing the upper mold mechanism, and the other end of the floating pin 36 extends into the lower mold pad 11 and abuts against the elastic support member 13.

[0064] In summary, the specific implementation principles of the motor claw pole plate half-shearing mold of this embodiment are as follows:

[0065] When the upper mold mechanism and the lower mold mechanism are in the mold opening state, there is a certain longitudinal gap between the stop plate 7 and the upper fixing plate 6 , which extends along the layout direction of the upper mold mechanism and the lower mold mechanism.

[0066] The motor claw pole plate is accurately sent to the half-shear processing station on the material strip 1 through the feeder connected to the material strip 1, and the punch slide connected to the upper die base 2 drives the upper die mechanism to start moving toward the lower die mechanism.

[0067] First, the guide pin 22 enters the guide hole 19, and the punch press continues to move downward. The guide pin 27 is inserted into the material strip 1 for precise positioning to ensure that the position of the material strip 1 is accurate. At this time, the feeder releases the material strip 1 to compensate for the feeding error of the feeder. The punch press continues to move downward, and the unloading plate 8 contacts the floating pin 36. The punch press continues to move downward, and the unloading plate 8 presses the floating pin 36 downward. The material strip 1 moves downward following the floating pin 36. The material strip 1 contacts the upper surface of the lower template 10. At this time, the pole teeth 331 of the motor claw pole plate simultaneously contact the support platform 351, and the material strip 1 stops moving. The punch press continues to move downward, and the upper elastic member 3 generates pressure on the unloading plate 8 through the unloading bolt 28, which acts on the material strip 1 to generate a pressing force.

[0068] The punch press continues to move downward, the unloading plate 8 presses the material strip 1 and does not move, and the upper fixed plate 6 starts to move downward with the half-shear punch 25. When the half-shear punch 25 starts to contact the material strip 1, the half-shear process begins, and the pressing force at this time is provided by the upper elastic member 3.

[0069] The punch continues to move downward, and the half-shear punch 25 begins to enter the material strip 1. The depth of the half-shear is controlled by the mold design size. When the distance between the upper fixed plate 6 and the stop plate 7 disappears, the punch reaches the bottom dead center position, and the half-shear process is also completed.

[0070] During the entire half-cutting process, the support block 35, the material strip 1, and the motor claw pole plate on the material strip 1 are always pressed by the unloading plate 8. The support block 35 offsets the torque effect of the half-cutting process on the product, and the pole teeth 331 of the motor claw pole plate remain unchanged, thereby ensuring the stability of the pole teeth 331.

[0071] Then the punch starts to move upward, and the half shear punch 25 also moves upward following the upper die mechanism until the stop plate 7 and the upper fixing plate 6 are fully opened to restore their initial longitudinal gap.

[0072] The punch press continues to move upward, the unloading plate 8 starts to move upward, the material strip 1 starts to move upward by the floating pin 36 through the elastic support member 13, and the fixed component in the lower mold moves upward by the force of the elastic support block 16, pushing the motor claw pole plate out of the active cavity.

[0073] The punch press continues to move upward, the floating pin 36 reaches the highest point and stops moving, and the material strip 1 also follows the floating pin 36 to reach the highest point and stops moving. The punch press continues to move upward, the guide pin 27 disengages from the material strip 1, and the punch press continues to move upward, and the guide post 22 disengages from the guide hole 19 of the inner guide post 22, until the punch press reaches the top dead center to complete a stamping process.

[0074] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0075] In the description of the present invention, it should be understood that the terms indicating orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0076] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0077] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0078] Furthermore, terms such as "horizontal," "vertical," and "overhanging" do not necessarily imply that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0079] In the present invention, unless otherwise expressly specified or limited, a first feature being above or below a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being above, above, and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being below, below, and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

Claims

1. A motor claw pole plate half-cutting die, characterized in that: include: A lower die inner fixing component assembly suitable for supporting the claw pole plate of the motor at the bottom; The lower die inner fixing component assembly includes: an inner sleeve forming a hollow cylindrical accommodating cavity and a supporting block arranged in the accommodating cavity; in The end of the inner sleeve facing the motor claw pole plate is also provided with an insertion port communicating with the accommodating cavity; When the plate-shaped main body of the motor claw pole plate is supported on the inner sleeve, the pole teeth of the motor claw pole plate are suitable for extending from the insertion port into the accommodating cavity, and at least part of the outer wall surface of the support block is suitable for cooperating with the cavity wall surface of the accommodating cavity to form a radial limiting interval for clamping the pole teeth.

2. The motor claw pole plate half-cutting die according to claim 1, characterized in that: The support block at least comprises a support platform in the shape of a truncated cone; The outer diameter of one end of the support platform facing the insertion port is smaller than the outer diameter of the other end of the support platform away from the insertion port.

3. The motor claw pole plate half-cutting die according to claim 1 or 2, characterized in that: There is a distance between the end of the plate-shaped main body of the supporting block facing the motor claw pole plate and the insertion opening along the axial direction of the accommodating cavity.

4. The motor claw pole plate half-cutting die according to claim 1 or 2, characterized in that: The supporting block is integrally formed in the accommodating cavity.

5. The motor claw pole plate half-cutting die according to claim 1 or 2, characterized in that: The supporting block is detachably assembled and fixed in the accommodating cavity.

6. The motor claw pole plate half-cutting die according to claim 5, characterized in that: The inner sleeve is provided with a supporting block which receives the support block from the side facing away from the insertion port.

7. The motor claw pole plate half-cutting die according to claim 6, characterized in that: The support block is provided with a T-shaped through hole extending through both axial ends thereof and suitable for passing a bolt; and The support block is provided with a threaded hole suitable for cooperating with a bolt.

8. The motor claw pole plate half-cutting die according to claim 7, characterized in that: An end of the inner sleeve facing away from the insertion opening is provided with an opening communicating with the accommodating cavity; and The support block is suitable for being inserted into the accommodating cavity from the open opening; The side wall of the inner sleeve is provided with at least one limiting hole extending along the radial direction of the accommodating cavity and suitable for the pin to pass through, and the side wall of the support block is provided with a positioning hole suitable for some pins to be inserted.

9. The motor claw pole plate half-cutting die according to claim 6, characterized in that: The motor claw pole plate half-cutting processing mold further includes a lower mold plate that is slidably matched with the fixed component in the lower mold; The lower mold plate is provided with a movable cavity which is in sliding cooperation with the fixed component in the lower mold; and The lower mold inner fixing component is also connected to an elastic support component; The elastic support assembly includes a connecting column connected to the support block and an elastic support block connected to a side of the connecting column facing away from the support block; The elastic support block is provided in the lower mold base; and A lower die pad is provided between the lower die plate and the lower die base. The connecting column penetrates the lower die pad and then extends into the lower die base to be connected with the elastic support block.

10. The motor claw pole plate half-cutting die according to claim 9, characterized in that: The motor claw pole plate half-cutting processing mold further includes an upper mold mechanism; The upper die mechanism comprises at least a half shearing punch adapted to be partially inserted into the active cavity.

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