Composite die for stator and rotor punching sheets of motor

Abstract

The utility model provides a composite die for motor stator and rotor punching sheets, and belongs to the field of dies. The problem that motor stator and rotor punching sheets adopt a manual separation blanking mode is solved. The motor stator and rotor punching composite die comprises an upper die base, a lower die base and a push rod, an upper die plate and a lower die plate are arranged at the center of the upper die base and the center of the lower die base respectively, a plurality of separating mechanisms are arranged between the upper die base and the lower die base, each separating mechanism comprises a separating column and an elastic piece, and the cross section of each separating column is of a T-shaped structure. The upper die base and the upper die plate are sequentially connected in a penetrating mode, a connecting groove is formed in the top end of the upper die base, a plurality of stepped holes are formed in the bottom of the connecting groove, each stepped hole is of a T-shaped structure and matched with the corresponding separation column in a limiting mode, a plurality of guide holes are formed in the upper die plate, and the lower ends of the separation columns are connected to the guide holes in a penetrating mode and can move up and down in the axial direction. The utility model has the advantage that the stator punching sheet and the rotor punching sheet can be automatically separated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the mould field relates to a mould especially relates to a motor stator -rotor punching piece composite mould. BACKGROUND

[0002] Stator punching piece and rotor punching piece are one of important components in motor, and its main function is to guide magnetism and fix coil, in the process of motor punching piece production, the mould installed on the press is used to apply pressure to material, and the punching piece material is punched.

[0003] Generally, the stator punching piece and the rotor punching piece are punched by the mould stator -rotor sleeve punching mode, and the stator punching piece and the rotor punching piece are punched once, and the stator punching piece and the rotor punching piece are often stacked and bonded during demolding and blanking, so that manual material taking and separation are needed, the labor cost of manual material taking and separation is large and troublesome, and the processing efficiency is affected. SUMMARY

[0004] The utility model discloses a motor stator -rotor punching piece mould to solve the above problems.

[0005] The utility model discloses a motor stator -rotor punching piece composite mould, including upper die holder, lower die holder and push rod, the upper die holder and lower die holder center part are provided with the upper die plate and lower die plate for stamping forming respectively, its characterized in that, a plurality of separating mechanisms for separating and blanking stator punching piece and rotor punching piece are arranged between the upper die holder and the lower die holder.

[0006] The separating mechanism includes a guideable separating column and an elastic member for elastic return.

[0007] The separating column is provided in a T-shaped structure and is connected to the upper die holder and the upper die plate in sequence.

[0008] A connecting groove is provided at the top end of the upper die holder for transmission connection of the push rod, and a plurality of stepped holes for limiting the movement of the separating column are provided at the bottom of the connecting groove, which are in a T-shaped structure and are limited in cooperation with the separating column.

[0009] A plurality of guide holes are provided on the upper die plate for guiding the movement of the separating column, wherein the lower end of the separating column is connected to the guide hole and can move up and down axially.

[0010] In the above-mentioned motor stator -rotor punching piece composite mould, the bottom of the push rod is connected with the connecting groove, and the stepped hole forms a moving cavity for the movable limiting connection of the separating column.

[0011] In the aforementioned composite mold for motor stator and rotor laminations, the elastic element is installed in the moving cavity, with its two ends abutting against the end of the separating column and the bottom of the push rod, respectively.

[0012] In the aforementioned composite mold for motor stator and rotor laminations, the separating column can move elastically up and down axially through the cooperation of stepped holes, guide holes, elastic elements and push rod structures. After stamping, the intermediate rotor laminations are separated, with the stator laminations remaining on the upper mold plate to wait for material receiving, and the rotor laminations remaining on the lower mold plate, facilitating manual or automated material handling.

[0013] Compared with existing technologies, the composite mold structure for stator and rotor laminations of this motor has a simple design. Through the combination of separation columns, elastic elements, stepped holes and guide holes, the stator laminations and rotor laminations after stamping can be separated and blanked. The stator laminations remain on the upper mold plate to wait for receiving, while the rotor laminations remain on the lower mold plate. This facilitates manual or automated material handling, and makes it easy to store and organize. It greatly reduces the labor costs of manual blanking, separation, storage and organization, and improves stamping efficiency. Attached Figure Description

[0014] Figure 1 This is a half-section structural diagram of the composite mold for the stator and rotor laminations of this motor.

[0015] In the diagram, 1 is the upper mold base; 2 is the lower mold base; 3 is the upper template; 4 is the lower template; 5 is the separation column; 6 is the elastic element; 7 is the push rod; 8 is the connecting groove; 9 is the stepped hole; and 10 is the guide hole. Detailed Implementation

[0016] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0017] like Figure 1 As shown, the stator and rotor lamination composite mold of this motor includes an upper mold base 1, a lower mold base 2, and a push rod 7. The upper mold base 1 and the lower mold base 2 are respectively provided with an upper template 3 and a lower template 4 for stamping. Several separation mechanisms for separating and blanking stator laminations and rotor laminations are provided between the upper mold base 1 and the lower mold base 2. The separation mechanism includes a guideable separation column 5 and an elastic element 6 for elastic reset. The separation column 5 has a T-shaped cross-section and is connected to the upper mold base 1 and the upper template 3 in sequence. A connecting groove 8 for the push rod 7 to drive is provided at the top of the upper mold base 1. Several stepped holes 9 for limiting the movement of the separation column 5 are provided at the bottom of the connecting groove 8. The stepped holes 9 have a T-shaped structure and are matched with the separation column 5 for limiting. Several guide holes 10 are provided on the upper template 3 to facilitate the guiding movement of the separation column 5. The lower end of the separation column 5 is connected to the guide hole 10 and can move axially up and down.

[0018] The structure is simple, and the stator stamping sheet and the rotor stamping sheet after stamping can be separated and discharged through the cooperation of the separation column 5, the elastic member 6, the stepped hole 9 and the guide hole 10, the stator stamping sheet is left on the upper die plate 3 to wait for material receiving, the rotor stamping sheet is left on the lower die plate 4, manual material taking or automatic material taking is facilitated, and the stamping efficiency is greatly improved.

[0019] When the stamping die is closed, the separation column 5 can be axially displaced upward along the moving cavity and the guide hole 10, when the stamping is completed and the die is opened, the upper die seat 1 drives the upper die plate 3 to move axially upward, the separation column 5 moves downward under the elastic force of the elastic member 6, the rotor stamping sheet in the center part is ejected and separated, and is left on the lower die plate 4 to wait for manual material taking or automatic material taking, thereby reducing the manual separation workload.

[0020] Further, in order to facilitate elastic reset after the separation column 5 is guided and moved, and facilitate elastic abutting installation, the push rod 7 bottom is connected with the connecting groove 8, and a moving cavity for the separation column 5 to move and be limited is formed in cooperation with the stepped hole 9, the elastic member 6 is installed in the moving cavity, and the two ends thereof abut against the end of the separation column 5 and the bottom of the push rod 7 respectively, and the moving cavity and the elastic member 6 are used.

[0021] Further, in order to separate the rotor stamping sheet after stamping by the separation column 5 and discharge it to the lower die plate 4, the separation column 5 can be axially and elastically moved up and down in cooperation with the stepped hole 9, the guide hole 10, the elastic member 6 and the push rod 7, and the middle rotor stamping sheet after stamping is separated, the stator stamping sheet is left on the upper die plate 3 to wait for material receiving, and the rotor stamping sheet is left on the lower die plate 4 to facilitate manual material taking or automatic material taking.

[0022] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0023] Although the terms are used more frequently herein, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A combined stator and rotor stamping die for an electric machine, comprising an upper die holder (1), a lower die holder (2) and a push rod (7), the upper die holder (1) and the lower die holder (2) being provided with an upper die plate (3) and a lower die plate (4) for stamping, respectively, in the central part thereof, characterized in that, The upper die holder (1) and the lower die holder (2) are provided with a plurality of separation mechanisms for separating stator punching sheets and rotor punching sheets and blanking; The separation mechanism comprises a guideable separation column (5) and an elastic member (6) for elastic resetting; The separation column (5) is provided in a T-shaped structure and is connected to the upper die holder (1) and the upper die plate (3) in sequence; A connecting groove (8) is formed at the top end of the upper die holder (1) for transmission connection of a push rod (7), and a plurality of stepped holes (9) for limiting movement of the separation column (5) are formed at the bottom of the connecting groove (8), wherein the stepped holes (9) are in a T-shaped structure and are limited in cooperation with the separation column (5); A plurality of guide holes (10) for guiding movement of the separation column (5) are formed in the upper die plate (3), wherein the lower end of the separation column (5) is connected to the guide hole (10) and can move axially up and down.

2. A combined stator and rotor lamination die for an electric machine according to claim 1, characterized in that, The bottom of the push rod (7) is connected to the connecting groove (8) and cooperates with the stepped hole (9) to form a moving cavity for limiting and connecting the separation column (5).

3. A combined stator and rotor lamination die for an electric machine according to claim 2, wherein, The elastic member (6) is installed in the moving cavity, and the two ends thereof abut against the end of the separation column (5) and the bottom of the push rod (7), respectively.

4. The combined stator and rotor lamination die of claim 1, wherein, The separation column (5) can move axially up and down elastically through the cooperation of the stepped hole (9), the guide hole (10), the elastic member (6) and the push rod (7), and separates the middle rotor punching sheet after stamping, and the stator punching sheet is left on the upper die plate (3) for waiting for material taking, and the rotor punching sheet is left on the lower die plate (4) for facilitating manual or automatic material taking.

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