Stamping die for core iron support of permanent magnet motor
By designing a stamping die structure that includes a cylinder, a limiting plate, and a spring, the problem of inconsistent bracket specifications caused by the unstable height of the stamping head was solved, achieving a stable connection between the stamping head and the stamping seat and rapid material cutting, thus improving the manufacturing quality of the permanent magnet motor core iron bracket.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI AMCLING INTELLIGENT TECH CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-07-07
AI Technical Summary
In the existing stamping process of permanent magnet motor core iron bracket, the height of the stamping head is unstable, resulting in inconsistent bracket specifications and inconvenient material handling, which affects the practicality of the device.
A stamping die structure including a cylinder, a limiting plate, a connecting plate, rollers, and springs was designed. The cylinder drives the limiting plate and rollers to cooperate, ensuring a stable connection between the stamping head and the stamping seat. The compression and reset of the springs enable rapid material feeding.
It improves the working stability of the stamping head and stamping base, avoids inconsistencies in support specifications, and improves work efficiency and the practicality of the device.
Smart Images

Figure CN224463562U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor component manufacturing technology, and in particular to a stamping die for a permanent magnet motor core iron bracket. Background Technology
[0002] Permanent magnet motors are widely used in industrial electrical appliances and other fields due to their advantages such as high efficiency and high power density. The core iron support is a key component of permanent magnet motors, and its manufacturing quality directly affects the motor's performance.
[0003] The existing device directly pushes the stamping head to fit against the stamping seat using a cylinder. If the weight is too large or too small, the stroke of the cylinder becomes uncontrollable and the height becomes unstable, resulting in inconsistent height of the stamping head. This leads to inconsistent specifications of the stamped bracket and makes it inconvenient to remove the stamped bracket, reducing the practicality of the device. Therefore, we propose a stamping die for a permanent magnet motor core iron bracket to solve this problem. Utility Model Content
[0004] The purpose of this utility model is to provide a stamping die for a permanent magnet motor core iron bracket to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A stamping die for a permanent magnet motor core iron bracket includes a base plate, a top plate on the top of the base plate, a cylinder fixedly mounted on the right side of the top of the top plate, a limit plate fixedly connected to the output end of the cylinder, a connecting plate fixedly mounted on the bottom of the limit plate, a limit block fixedly connected to the bottom of the connecting plate through the top plate, support rods on both the front and rear sides of the top of the top plate, a movable plate fixedly connected to the bottom of the support rods through the top plate, a support frame fixedly mounted on the top of the movable plate, a roller adapted to the limit block rotatably connected to the inner cavity of the support frame, and limit rods fixedly mounted on both the left and right sides of the top of the base plate, with a push plate movably sleeved on the outer side of the limit rod.
[0007] Preferably, the top of the top plate is provided with a limiting groove that is adapted to the connecting plate, the outer side of the connecting plate is in sliding contact with the inner wall of the limiting groove, and the bottom of the limiting plate is in sliding contact with the top of the top plate.
[0008] Preferably, a first spring is fixedly installed on both the front and rear sides of the top of the top plate, the top of the first spring is fixedly connected to the outer side of the bottom of the support rod, and the first spring is sleeved on the outer side of the support rod.
[0009] Preferably, a second spring is fixedly installed on both the left and right sides of the top of the base plate, the top of the second spring is fixedly connected to the bottom of the push plate, and the second spring is sleeved on the outside of the limiting rod.
[0010] Preferably, a punch head is fixedly installed at the bottom of the movable plate, a punch seat adapted to the punch head is fixedly installed at the top of the base plate, and the push plate is sleeved on the outside of the punch seat.
[0011] Preferably, support columns are fixedly installed on both the left and right sides of the top of the base plate. The top of the support column movably passes through the movable plate and is fixedly connected to the bottom of the top plate. The outer side of the support column slides in contact with the inside of the movable plate.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] In this invention, an external controller activates the cylinder extension, which moves the limiting plate to the left. The limiting plate, through a connecting plate, moves the limiting block to the left, which in turn moves the matching roller downwards. The roller, through a support frame, moves the moving plate downwards, which in turn moves the punch head and support rod downwards. The downward movement of the support rod compresses the first spring, causing the punch head to engage with the punch seat. Through the cooperation of the limiting block and the roller, the cylinder can consistently apply the same force to the moving plate, improving the working stability of the punch head and punch seat and preventing inconsistencies in the bracket specifications.
[0014] In this invention, when the stamping head and the stamping base are combined, the push plate will move downward. The downward movement of the push plate will compress the second spring. After the stamping is completed, the stamping head is reset, and the push plate will drive the bracket to move upward, which can quickly unload the bracket and improve the working efficiency of the device. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of a stamping die for a permanent magnet motor core iron bracket proposed in this utility model;
[0016] Figure 2 This is a cross-sectional view of a stamping die for a permanent magnet motor core iron support according to the present invention.
[0017] Figure 3 This is a partial structural schematic diagram of a stamping die for a permanent magnet motor core iron support proposed in this utility model.
[0018] In the diagram: 1. Base plate; 2. Support column; 3. Top plate; 4. Moving plate; 5. Cylinder; 6. Limiting plate; 7. Limiting groove; 8. Support rod; 9. First spring; 10. Connecting plate; 11. Limiting block; 12. Stamping seat; 13. Limiting rod; 14. Second spring; 15. Stamping head; 16. Support frame; 17. Roller; 18. Push plate. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0020] Reference Figure 1-3 A stamping die for a permanent magnet motor core iron bracket includes a base plate 1, a top plate 3 on the top of the base plate 1, a cylinder 5 fixedly installed on the right side of the top of the top plate 3, a limit plate 6 fixedly connected to the output end of the cylinder 5, a connecting plate 10 fixedly installed at the bottom of the limit plate 6, the bottom of the connecting plate 10 penetrating the top plate 3 and fixedly connected to a limit block 11, support rods 8 on both the front and rear sides of the top of the top of the top plate 3, the bottom of the support rods 8 penetrating the top plate 3 and fixedly connected to a movable plate 4, a support frame 16 fixedly installed on the top of the movable plate 4, a roller 17 adapted to the limit block 11 rotatably connected to the inner cavity of the support frame 16, and a limit rod 13 fixedly installed on both the left and right sides of the top of the base plate 1, with a push plate 18 movably sleeved on the outer side of the limit rod 13.
[0021] In this embodiment, the top of the top plate 3 is provided with a limiting groove 7 that is adapted to the connecting plate 10. The outer side of the connecting plate 10 slides in contact with the inner wall of the limiting groove 7, and the bottom of the limiting plate 6 slides in contact with the top of the top plate 3. Through the cooperation of the limiting groove 7 and the limiting plate 6, the connecting plate 10 can be limited, which improves the stability of the connecting plate 10 moving left and right. The front and rear sides of the top of the top plate 3 are fixedly installed with first springs 9. The top of the first springs 9 is fixedly connected to the outer side of the bottom of the support rod 8. The first springs 9 are sleeved on the outer side of the support rod 8. The left and right sides of the top of the bottom plate 1 are fixedly installed with second springs 14. The top of the second springs 14 is fixedly connected to the bottom of the push plate 18. The second springs 14 are sleeved on the outer side of the limiting rod 13. Through the limiting rod 13, the push plate 18 can be limited, which improves the stability of the push plate 18 moving up and down.
[0022] In this embodiment, a punch head 15 is fixedly installed at the bottom of the movable plate 4, and a punch seat 12 adapted to the punch head 15 is fixedly installed at the top of the base plate 1. A push plate 18 is sleeved on the outside of the punch seat 12. Support columns 2 are fixedly installed on both the left and right sides of the top of the base plate 1. The top of the support column 2 movably passes through the movable plate 4 and is fixedly connected to the bottom of the top plate 3. The outside of the support column 2 slides in contact with the inside of the movable plate 4. The support column 2 can limit the movement of the movable plate 4, thereby improving the stability of the movable plate 4 moving up and down.
[0023] In this embodiment, during use, the raw material is placed on top of the stamping seat 12, and the cylinder 5 is extended by the external controller. The cylinder 5 drives the limiting plate 6 to move to the left. The limiting plate 6 drives the limiting block 11 to move to the left through the connecting plate 10. The limiting block 11 drives the matching roller 17 to move downward. The roller 17 drives the moving plate 4 to move downward through the support frame 16. The moving plate 4 drives the stamping head 15 and the support rod 8 to move downward. The downward movement of the support rod 8 will compress the first spring 9, so that the stamping head 15 is combined with the stamping seat 12. When the stamping head 15 is combined with the stamping seat 12, it will drive the push plate 18 to move downward. The downward movement of the push plate 18 will compress the second spring 14. After the stamping is completed, the stamping head 15 is reset, and the push plate 18 will drive the bracket to move upward, which can quickly unload the bracket.
[0024] The above provides a detailed description of the stamping die for a permanent magnet motor core iron bracket provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.
Claims
1. A stamping die for a permanent magnet motor core iron bracket, comprising a base plate (1), characterized in that: The top of the base plate (1) is provided with a top plate (3). A cylinder (5) is fixedly installed on the right side of the top of the top plate (3). The output end of the cylinder (5) is fixedly connected to a limiting plate (6). A connecting plate (10) is fixedly installed at the bottom of the limiting plate (6). The bottom of the connecting plate (10) passes through the top plate (3) and is fixedly connected to a limiting block (11). Support rods (8) are provided on both the front and rear sides of the top of the top of the top plate (3). The bottom of the support rods (8) passes through the top plate (3) and is fixedly connected to a moving plate (4). A support frame (16) is fixedly installed on the top of the moving plate (4). A roller (17) that is compatible with the limiting block (11) is rotatably connected to the inner cavity of the support frame (16). Limit rods (13) are fixedly installed on both the left and right sides of the top of the base plate (1). A push plate (18) is movably sleeved on the outer side of the limiting rod (13).
2. The stamping die for a permanent magnet motor core iron bracket according to claim 1, characterized in that: The top plate (3) has a limiting groove (7) adapted to the connecting plate (10) at its top. The outer side of the connecting plate (10) slides in contact with the inner wall of the limiting groove (7), and the bottom of the limiting plate (6) slides in contact with the top of the top plate (3).
3. The stamping die for a permanent magnet motor core iron bracket according to claim 1, characterized in that: The top plate (3) has a first spring (9) fixedly installed on both the front and rear sides of the top. The top of the first spring (9) is fixedly connected to the outer side of the bottom of the support rod (8). The first spring (9) is sleeved on the outer side of the support rod (8).
4. The stamping die for a permanent magnet motor core iron bracket according to claim 1, characterized in that: The bottom plate (1) has a second spring (14) fixedly installed on both the left and right sides of the top. The top of the second spring (14) is fixedly connected to the bottom of the push plate (18). The second spring (14) is sleeved on the outside of the limiting rod (13).
5. The stamping die for a permanent magnet motor core iron bracket according to claim 1, characterized in that: The bottom of the movable plate (4) is fixedly installed with a punch head (15), and the top of the base plate (1) is fixedly installed with a punch seat (12) that is compatible with the punch head (15). The push plate (18) is sleeved on the outside of the punch seat (12).
6. The stamping die for a permanent magnet motor core iron bracket according to claim 1, characterized in that: Support columns (2) are fixedly installed on the left and right sides of the top of the base plate (1). The top of the support column (2) moves through the movable plate (4) and is fixedly connected to the bottom of the top plate (3). The outer side of the support column (2) slides in contact with the inside of the movable plate (4).