Motor stator and rotor punching die

By designing a punching die for the motor stator and rotor, and using a hydraulic cylinder and an electric push rod to drive the lower pressure head and ejector block, the problem of waste blockage was solved, and automated waste discharge and material ejection were achieved, thus improving processing efficiency.

CN224168488UActive Publication Date: 2026-04-28TAIZHOU XINHONG MECHANICAL & ELECTRICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIZHOU XINHONG MECHANICAL & ELECTRICAL CO LTD
Filing Date
2025-03-13
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

During use, existing motor stator and rotor punching dies are prone to clogging the punch holes with waste material, leading to frequent shutdowns for cleaning and affecting continuous punching efficiency.

Method used

A punching die for motor stator and rotor was designed, comprising a base, a feeding plate, a limiting plate, a lower pressure plate, a hydraulic cylinder, a lower pressure head, a punching rod, a limiting block, a collection bin, and an ejection block. The lower pressure head is driven by the hydraulic cylinder to punch holes, and the ejection block and electric push rod are used to realize the automatic discharge of waste and the ejection of materials, reducing manual operation.

Benefits of technology

It enables automatic waste discharge and convenient material ejection, reducing downtime for cleaning and improving processing efficiency and the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224168488U_ABST
    Figure CN224168488U_ABST
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Abstract

The utility model provides a motor stator and rotor punching die which comprises a base and a discharging plate fixedly connected to the base, a limiting plate is arranged above the discharging plate, a lower pressing plate is arranged above the limiting plate in a sliding mode, a plurality of springs are jointly connected between the limiting plate and the lower pressing plate, and the limiting plate is connected with the lower pressing plate in a sliding mode. A lower pressing plate is arranged on the base, a hydraulic oil cylinder is arranged on the lower pressing plate, a lower pressing head is fixedly connected to the extending end of the hydraulic oil cylinder, a plurality of punching rods used for punching are fixedly connected to the lower pressing head, a limiting block is rotationally connected to the base, a limiting column is fixedly connected to the limiting block, and the limiting column is used for being matched with the discharging plate to limit materials to be punched. According to the punching die for the stator and the rotor of the motor, residual punching waste materials in the lower probing groove can be discharged through the arrangement of the ejection block after punching is completed, materials above the limiting block after punching is completed can be ejected out, the time for clearing the punching waste materials after shutdown is shortened, and the machining efficiency of the device is improved.
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Description

Technical Field

[0001] This utility model relates to the field of motor rotor processing technology, specifically to a motor stator and rotor punching die. Background Technology

[0002] The stator and rotor of an electric motor refer to the two main components of the motor. The stator is the stationary part of the motor, usually composed of windings and an iron core. Its function is to generate a magnetic field. The rotor is the rotating part of the motor. It can rotate in the magnetic field generated by the stator, thereby realizing the conversion of electrical energy into mechanical energy. In an AC motor, the stator generates a changing magnetic field through an AC power supply, and the rotor rotates following the magnetic field due to electromagnetic induction. In a DC motor, the interaction between the stator and rotor is realized through brushes and a commutator to transfer current, thereby generating torque to make the rotor rotate.

[0003] Since the stator needs to house the windings, it needs to be punched during stator processing. However, existing motor stator and rotor punching dies have the problem of incomplete waste discharge during use. Waste easily gets stuck in the punch, requiring frequent machine stops for cleaning, which affects the efficiency of continuous punching.

[0004] In view of this, a punching die for motor stator and rotor is proposed. Utility Model Content

[0005] The purpose of this invention is to solve the problem that the punching holes of traditional motor stator and rotor punching dies are easily blocked by waste material, and to provide a motor stator and rotor punching die.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a motor stator and rotor punching die, comprising a base and a feeding plate fixedly connected to the base, a limiting plate being provided above the feeding plate, a lower pressure plate being slidably provided above the limiting plate, multiple springs being connected between the limiting plate and the lower pressure plate, a hydraulic cylinder being provided on the lower pressure plate, a lower pressure head being fixedly connected to the extended end of the hydraulic cylinder, and multiple punching rods for punching being fixedly connected to the lower pressure head, a limiting block being rotatably connected to the base, a limiting post being fixedly connected to the limiting block, the limiting post being used to cooperate with the feeding plate to limit the material to be punched, multiple limiting grooves adapted to the punching rods being provided on the limiting plate, and a collection bin for collecting punching waste and an ejector block for ejecting the processed material from the feeding plate being slidably provided inside the base.

[0007] Preferably, the limiting block has multiple downward probe slots that are adapted to the size of the punching rod. In the initial state, the downward probe slots coincide with the limiting slots in the vertical projection direction. A handle is fixedly connected to the limiting block for rotating the limiting block. The ejector block is adapted to the size of the downward probe slots, and the ejector block is offset from the limiting slots in the vertical projection direction.

[0008] Preferably, a connecting rod is fixedly connected between the collection chamber and the ejector block. In the initial state, the collection chamber is located at the bottom of the limiting block. A movable plate is interactively arranged on the base. A first electric push rod is fixedly connected to the movable plate. The extended end of the first electric push rod is fixedly connected to the connecting rod. The first electric push rod is used to move the ejector block to below the limiting block and move the collection chamber out from below the limiting block when it retracts.

[0009] Preferably, a slider with a T-shaped cross-section is fixedly connected to the movable plate, and a groove adapted to the size of the slider is provided on the base. A second electric push rod is fixedly connected to the base, and the extended end of the second electric push rod is fixedly connected to the movable plate. The second electric push rod is used to drive the ejector block to push out the processed material in the discharge plate when it retracts, and to drive the collection bin to rise so as to remove the processing waste.

[0010] Preferably, the frame is provided with a track for the movement of the connecting rod.

[0011] Preferably, a rotating ring with a T-shaped cross-section is fixedly connected to the limiting block, and the rotating ring is rotatably connected to the feeding plate.

[0012] Preferably, when the handle is in the initial position, the stamping rod can pass through the limiting groove and the lower probe groove in sequence when it is pressed down. When the handle is rotated to the limit position, the lower probe groove is offset from the limiting groove and the ejector block can be pushed into the slot hole from the bottom of the lower probe groove.

[0013] Compared with the prior art, this utility model has the following beneficial effects:

[0014] The motor stator and rotor punching die provided by this utility model can discharge the punching waste material remaining in the lower probe groove after punching by setting the ejector block, and will also eject the punched material above the limit block, reducing the downtime for cleaning punching waste and improving the processing efficiency of the device.

[0015] The motor stator and rotor punching die provided by this utility model, through the setting of the connecting rod, can drive the collection bin to move and rise while the ejector block moves and rises, so that the collected punching waste can be removed more conveniently, thus improving the practicality of the device. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0017] In the attached diagram:

[0018] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model.

[0019] Figure 2 This is a cross-sectional schematic diagram of the base according to an embodiment of the present utility model.

[0020] Figure 3 This is a diagram showing the state of the ejector block and the collection chamber as they rise, according to an embodiment of the present invention.

[0021] Figure 4 This is a bottom view of an embodiment of the present invention.

[0022] Figure 5 This is a cross-sectional schematic diagram of a limiting block according to an embodiment of the present utility model.

[0023] In the diagram: 1. Base, 2. Feeding plate, 3. Limiting block, 31. Limiting post, 32. Lower probe groove, 33. Rotary ring, 4. Limiting plate, 41. Limiting groove, 5. Lower pressure plate, 51. Hydraulic cylinder, 52. Lower pressure head, 53. Punching rod, 54. Spring, 6. Ejector block, 7. Connecting rod, 8. Collection bin, 9. First electric push rod, 10. Movable plate, 11. Second electric push rod, 12. Slider, 13. Slide groove, 14. Track, 15. Handle. Detailed Implementation

[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] Please see Figure 1-5 .

[0026] This utility model of a motor stator and rotor punching die includes a base 1 and a feeding plate 2 fixedly connected to the base 1. A limit plate 4 is provided above the feeding plate 2, and a lower pressure plate 5 is slidably provided above the limit plate 4. Multiple springs 54 are connected between the limit plate 4 and the lower pressure plate 5. A hydraulic cylinder 51 is provided on the lower pressure plate 5, and a lower pressure head 52 is fixedly connected to the extended end of the hydraulic cylinder 51. Multiple punching rods 53 for punching are fixedly connected to the lower pressure head 52. A limit block 3 is rotatably connected to the base 1, and a limit post 31 is fixedly connected to the limit block 3. The limit post 31 is used to cooperate with the feeding plate 2 to limit the material to be punched. Multiple limit grooves 41 adapted to the punching rods 53 are opened on the limit plate 4. A collection bin 8 for collecting punching waste and an ejector block 6 for ejecting the processed material from the feeding plate 2 are slidably provided in the base 1. This configuration can realize automated punching operation and improve production efficiency.

[0027] Specifically, the limiting block 3 has multiple downward probe slots 32 that are adapted to the size of the punch rod 53. In the initial state, the downward probe slots 32 coincide with the limiting slot 41 in the vertical projection direction. A handle 15 is fixedly connected to the limiting block 3. The handle 15 is used to rotate the limiting block 3. The ejector block 6 is adapted to the size of the downward probe slots 32, and the ejector block 6 is offset from the limiting slot 41 in the vertical projection direction. Furthermore, when the handle 15 is in the initial position, the punch rod can pass through the limiting slot 41 and the downward probe slots 32 in sequence when it is pressed down. When the handle 15 is rotated to the limit position, the downward probe slots 32 and the limiting slots 41 are aligned. The staggered and ejector block 6 can be pushed into the slot hole from the bottom of the lower probe groove 32. That is to say, in the initial state, when the stamping rod is pressed down, it first passes through the limiting groove 41, then performs stamping processing on the material, and then moves a distance in the lower probe groove 32. At this time, the limiting groove 41 and the lower probe groove 32 coincide. After rotating the handle 15 to the limit position, the lower probe groove 32 and the ejector block 6 coincide. When the ejector block 6 rises, it will push out the punching waste remaining in the lower probe groove 32. Also, because the limiting block 3 after rotation and the processed material are easy to be misaligned, the ejector block 6 can also push out the processed material under this situation.

[0028] A connecting rod 7 is fixedly connected between the collection chamber 8 and the ejector block 6. In the initial state, the collection chamber 8 is located at the bottom of the limiting block 3. An interactive movable plate 10 is provided on the base 1. A first electric push rod 9 is fixedly connected to the movable plate 10. The extended end of the first electric push rod 9 is fixedly connected to the connecting rod 7. The first electric push rod 9 is used to move the ejector block 6 to below the limiting block 3 and move the collection chamber 8 out from below the limiting block 3 when it retracts. This setting reduces manual operation and improves production efficiency.

[0029] Secondly, a slider 12 with a T-shaped cross-section is fixedly connected to the movable plate 10. A groove 13 adapted to the size of the slider 12 is provided on the base 1. A second electric push rod 11 is fixedly connected to the base 1. The extended end of the second electric push rod 11 is fixedly connected to the movable plate 10. The second electric push rod 11 is used to drive the ejector block 6 to eject the processed material in the discharge plate 2 when it retracts and drive the collection bin 8 to rise so as to remove the processing waste. The slider 12 and the groove 13 can increase the stability of the movable plate 10. The second electric push rod 11, in cooperation with the first electric push rod 9, can make the ejection of material and the collection of waste more convenient.

[0030] Furthermore, the frame is provided with a track 14 for the movement of the connecting rod 7. The use of the track 14 ensures the straightness and stability of the connecting rod 7 during movement and reduces the occurrence of mechanical failures.

[0031] In addition, a rotating ring 33 with a T-shaped cross section is fixedly connected to the limiting block 3. The rotating ring 33 is rotatably connected to the feeding plate 2. This arrangement makes it easier for the limiting block 3 to be quickly positioned and rotated, thus improving the convenience of operation.

[0032] When using this device, after stamping is completed, the first electric push rod 9 retracts, the collection chamber 8 moves away from below the limit block 3, and the ejector block 6 moves below the limit block 3. Then, the handle 15 is rotated to the limit position, at which point the limit block 3 rotates accordingly. At this time, the processed workpiece is misaligned with the limit block 3, and the ejector block 6 coincides with the lower probe groove 32. Then, the second electric push rod 11 retracts, driving the ejector block 6 and the collection chamber 8 to rise. The ejector block 6 pushes out the punching waste stuck in the lower probe groove 32 and drives the processed workpiece to rise. After removing the workpiece, the device is reset, and a new workpiece is placed in for stamping. Then, the above operation is repeated.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A punching die for motor stator and rotor, characterized in that: Includes a base (1) and a feeding plate (2) fixedly connected to the base (1). A limit plate (4) is provided above the feeding plate (2). A lower pressure plate (5) is slidably provided above the limit plate (4). Multiple springs (54) are connected between the limit plate (4) and the lower pressure plate (5). A hydraulic cylinder (51) is provided on the lower pressure plate (5). A lower pressure head (52) is fixedly connected to the extended end of the hydraulic cylinder (51). Multiple springs (54) for... The punching rod (53) for punching is rotatably connected to the base (1), and the limiting block (3) is fixedly connected to the limiting block (3). The limiting block (31) is used to cooperate with the feeding plate (2) to limit the material to be punched. The limiting plate (4) is provided with multiple limiting grooves (41) that are adapted to the punching rod (53). The base (1) is slidably provided with a collection bin (8) for collecting punching waste and an ejection block (6) for ejecting the processed material from the feeding plate (2).

2. The motor stator and rotor punching die as described in claim 1, characterized in that: The limiting block (3) has multiple lower probe slots (32) that are adapted to the size of the punch rod (53). In the initial state, the lower probe slots (32) coincide with the limiting slots (41) in the vertical projection direction. A handle (15) is fixedly connected to the limiting block (3). The handle (15) is used to rotate the limiting block (3). The ejector block (6) is adapted to the size of the lower probe slots (32), and the ejector block (6) and the limiting slots (41) are offset in the vertical projection direction.

3. The motor stator and rotor punching die as described in claim 2, characterized in that: A connecting rod (7) is fixedly connected between the collection chamber (8) and the ejector block (6). In the initial state, the collection chamber (8) is located at the bottom of the limiting block (3). An interactive movable plate (10) is provided on the base (1). A first electric push rod (9) is fixedly connected on the movable plate (10). The extended end of the first electric push rod (9) is fixedly connected to the connecting rod (7). The first electric push rod (9) is used to move the ejector block (6) to the bottom of the limiting block (3) and move the collection chamber (8) out from the bottom of the limiting block (3) when it retracts.

4. The motor stator and rotor punching die as described in claim 3, characterized in that: A slider (12) with a T-shaped cross section is fixedly connected to the movable plate (10). A groove (13) adapted to the size of the slider (12) is provided on the base (1). A second electric push rod (11) is fixedly connected to the base (1). The extended end of the second electric push rod (11) is fixedly connected to the movable plate (10). The second electric push rod (11) is used to drive the ejector block (6) to eject the processed material in the discharge plate (2) when it retracts and drive the collection bin (8) to rise so as to remove the processing waste.

5. The motor stator and rotor punching die as described in claim 4, characterized in that: The frame is provided with a track (14) for the movement of the connecting rod (7).

6. The motor stator and rotor punching die as described in claim 5, characterized in that: A rotating ring (33) with a T-shaped cross section is fixedly connected to the limiting block (3), and the rotating ring (33) is rotatably connected to the feeding plate (2).

7. The motor stator and rotor punching die as described in claim 6, characterized in that: When the handle (15) is in the initial position, the pressing rod can pass through the limiting groove (41) and the lower probe groove (32) in succession when it is pressed down. When the handle (15) is rotated to the limit position, the lower probe groove (32) is offset from the limiting groove (41) and the ejector block (6) can be pushed into the slot from the bottom of the lower probe groove (32).