Full-compound die for ultra-low-strength stator and rotor punching sheets of motor

Abstract

A motor ultra-low-strength stator and rotor punching full-compound die comprises an upper die frame and a lower die frame, an upper padding plate is installed on the upper die frame, an upper die is arranged on the surface of the upper padding plate, the upper die is connected to the upper padding plate through a male die fixing plate, an installation hole is machined in the middle of the upper die, and an upper discharging plate is arranged in the installation hole. The upper discharging plate is of a hanging table type structure, a lower die is installed on the lower die frame, a lower cushion plate protruding outwards is integrally machined on the lower die, and a lower discharging plate is arranged on the outer side of the lower die. Compared with the prior art, according to the motor ultra-low strength stator and rotor punching sheet full-duplex die, the lower die and the lower base plate are designed to be of a step-type integrated structure, the strength of the cutting edges of the lower die is enhanced, and due to the fact that the distance between the cutting edges is short, the upper die has no position to use a pull rod sleeve structure, and the upper discharging plate is of a hanging table type; and production and processing of the die are met.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, specifically to a fully composite mold for ultra-low strength stator and rotor laminations of motors. Background Technology

[0002] The full-compound die for stator and rotor laminations of motors is used to produce stator and rotor laminations of motors. A ring of magnetic steel grooves is distributed on the outer ring of the stator and rotor laminations. The upper die of the stamping die is equipped with magnetic isolation ribs, and the lower die is a punch and a die with punched holes for the magnetic isolation ribs. Because the magnetic steel grooves are very close to the outer shape of the stator and rotor laminations, the distance between the punched holes for the magnetic isolation ribs and the cutting edge of the die is very short, resulting in low strength of the cutting edge of the die. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a fully compound mold for ultra-low strength stator and rotor laminations of motors, which addresses the shortcomings of the prior art.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] A fully compound die for ultra-low strength stator and rotor laminations of an electric motor includes an upper die set and a lower die set. An upper pad is installed on the upper die set, and an upper die is set on the surface of the upper pad. The upper die is connected to the upper pad through a punch fixing plate. An installation hole is machined in the middle of the upper die, and an upper stripper plate is set in the installation hole. The upper stripper plate adopts a hanging platform structure. A lower die is installed on the lower die set, and an outwardly protruding lower pad is integrally machined on the lower die. A lower stripper plate is set on the outer side of the lower die.

[0006] Furthermore, a boss is provided in the mounting hole, and a shoulder is provided in the upper unloading plate, with the shoulder engaging with the boss.

[0007] Furthermore, a push rod is provided inside the upper mold frame. The lower end of the push rod passes through the upper pad and the punch fixing plate and abuts against the upper unloading plate. A hanging plate is connected to the upper end of the push rod. A connecting hole is machined on the surface of the upper mold frame. The hanging plate is placed in the connecting hole. An elastic element is provided on the back of the hanging plate.

[0008] Furthermore, the elastic element is a spring, a rubber sheet, or a polyethylene foam board.

[0009] Furthermore, a spring is provided at the bottom of the unloading plate.

[0010] Compared with the prior art, the present invention provides a fully compound mold for ultra-low strength stator and rotor laminations of motors. The lower mold and the lower pad are designed as a stepped integrated structure to enhance the strength of the cutting edge of the lower mold. Due to the close distance between the cutting edges, there is no space for the upper mold to use a tie rod sleeve structure. The upper unloading plate adopts a hanging platform type to meet the production and processing needs of the mold. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0013] Among them, 1. Upper mold base, 2. Lower mold base, 3. Upper pad, 4. Upper mold, 5. Punch fixing plate, 6. Upper stripper plate, 7. Boss, 8. Shoulder, 9. Ejector rod, 10. Hanging plate, 11. Elastic component, 12. Lower mold, 13. Lower pad, 14. Lower stripper plate, 15. Spring. Detailed Implementation

[0014] The technical solutions in the embodiments of this utility model will be clearly and completely described below.

[0015] like Figure 1 and Figure 2 As shown, a fully compound mold for ultra-low strength stator and rotor laminations of an electric motor includes an upper mold frame 1 and a lower mold frame 2. An upper pad 3 is installed on the upper mold frame 1, and an upper mold 4 is provided on the surface of the upper pad 3. The upper mold 4 is connected to the upper pad 3 through a punch fixing plate 5. An installation hole is machined in the middle of the upper mold 4, and an upper unloading plate 6 is provided in the installation hole. The upper unloading plate 6 adopts a hanging platform structure. A boss 7 is provided in the installation hole, and a shoulder 8 is provided in the upper unloading plate 6. The shoulder 8 is engaged with the boss 7, so that the upper unloading plate 6 is hung on the upper mold 4.

[0016] The upper mold frame 1 is provided with a push rod 9. The lower end of the push rod 9 passes through the upper pad plate 3 and the punch fixing plate 5 and abuts against the upper unloading plate 6. The upper end of the push rod 9 is connected to a hanging plate 10. The push rod 9 can be screwed onto the hanging plate 10 by means of threads. The surface of the upper mold frame 1 is machined with a connecting hole. The hanging plate 10 is set in the connecting hole. An elastic element 11 is provided on the back of the hanging plate 10. The elastic element 11 provides elastic force to reset the upper unloading plate 6.

[0017] In this embodiment, the elastic element 11 can be a spring, a rubber sheet, or a polyethylene foam board.

[0018] The lower mold 12 is installed on the lower mold frame 2. The bottom of the lower mold 12 is provided with a lower pad 13. The lower pad 13 and the lower mold 12 are integrally formed, which increases the height of the lower mold 12 and improves the rigidity of the lower mold.

[0019] A lower unloading plate 14 is provided on the outer side of the lower mold 12, and a spring 15 is provided at the bottom of the lower unloading plate 14. The spring 15 is located on the outer side of the lower mold 12.

[0020] This utility model is not limited to the embodiments described. Those skilled in the art can still make some modifications or changes without departing from the spirit and scope of this utility model. Therefore, the scope of protection of this utility model shall be determined by the scope defined in the claims.

Claims

1. A fully composite mold for ultra-low strength stator and rotor laminations of an electric motor, characterized in that: The device includes an upper mold frame and a lower mold frame. An upper pad is installed on the upper mold frame, and an upper mold is set on the surface of the upper pad. The upper mold is connected to the upper pad through a punch fixing plate. An installation hole is machined in the middle of the upper mold, and an upper stripper plate is set in the installation hole. The upper stripper plate adopts a hanging platform structure. A lower mold is installed on the lower mold frame, and an outwardly protruding lower pad is integrally machined on the lower mold. A lower stripper plate is set on the outer side of the lower mold.

2. The fully composite mold for ultra-low strength stator and rotor laminations of motors according to claim 1, characterized in that: A ring of bosses is provided inside the mounting hole, and a ring of shoulders is provided on the upper unloading plate, with the shoulders engaging with the bosses.

3. The fully composite mold for ultra-low strength stator and rotor laminations of motors according to claim 1 or 2, characterized in that: The upper mold frame is equipped with a push rod. The lower end of the push rod passes through the upper pad and the punch fixing plate and abuts against the upper unloading plate. The upper end of the push rod is connected to a hanging plate. The surface of the upper mold frame is machined with a connecting hole. The hanging plate is set in the connecting hole. An elastic element is provided on the back of the hanging plate.

4. The fully composite mold for ultra-low strength stator and rotor laminations of motors according to claim 3, characterized in that: The elastic element is a spring, a rubber sheet, or a polyethylene foam board.

5. The fully composite mold for ultra-low strength stator and rotor laminations of an electric motor according to claim 1, characterized in that: A spring is installed at the bottom of the unloading plate.

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