CN211614048U

CN211614048U - Permanent magnet motor rotor punching die

Info

Publication number: CN211614048U
Application number: CN201922305710.6U
Authority: CN
Inventors: 刘永真
Original assignee: Tianjin Maishengte Electronic Co ltd
Current assignee: Tianjin Maishengte Electronic Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-02
Anticipated expiration: 2029-12-20

Abstract

The application provides a permanent magnet motor rotor punching die which comprises an upper die base and a lower die base; an upper die is fixedly arranged on the lower surface of the upper die base; the upper surface of the lower die base is recessed inwards to form a containing groove; the cross section of the accommodating groove is circular; the bottom of the accommodating groove is fixedly provided with a lower die; a first push-out hole is formed in the side wall of the accommodating groove; a movable plate capable of sliding horizontally is arranged in the first push-out hole; a second push hole is formed in the side wall of the accommodating groove at a position opposite to the first push hole; a push-out plate is arranged in the second push-out hole; one side of the push-out plate far away from the accommodating groove is connected with a telescopic cylinder. The beneficial effect of this application: through setting up first ejecting hole, movable plate, ejector plate and telescopic cylinder, after rotor piece stamping forming, pull out the movable plate in following first ejecting hole, control telescopic cylinder promotes ejector plate, pushes out the outside to the die holder with the rotor piece along first ejecting hole, has solved the inconvenient problem of taking out of stamping forming's rotor piece, labour saving and time saving.

Description

Permanent magnet motor rotor punching die

Technical Field

The application relates to the technical field of dies, in particular to a permanent magnet motor rotor punching die.

Background

The rotor is one of permanent-magnet machine indispensable accessory, and permanent-magnet machine's rotor need be punched the piece in process of production, and the punching piece of traditional technique is artifical manual going on, and not only working strength is big, and work efficiency is low moreover. Therefore, the punching die is adopted to produce the rotor of the permanent magnet motor at present, but the punching die of the rotor of the permanent magnet motor at the present stage still has some defects, for example, the problem that the punched rotor sheet is inconvenient to take out is solved.

Disclosure of Invention

The utility model provides a to above problem, provide a permanent-magnet machine rotor punching mould.

The application provides a permanent magnet motor rotor punching die which comprises an upper die base and a lower die base; an upper die is fixedly arranged on the lower surface of the upper die base; the upper surface of the lower die base is recessed inwards to form a containing groove; the cross section of the accommodating groove is circular; a lower die is fixedly arranged at the bottom of the accommodating groove; a first push-out hole is formed in the side wall of the accommodating groove; a movable plate capable of sliding horizontally is arranged in the first push-out hole; a second pushing hole is formed in the side wall of the accommodating groove at a position opposite to the first pushing hole; a push-out plate is arranged in the second push-out hole; one side of the ejector plate, which is far away from the accommodating groove, is connected with a telescopic cylinder.

According to the technical scheme provided by some embodiments of the application, the upper die holder is connected with the lower die holder through a telescopic rod; a spring is movably sleeved on the rod wall of the telescopic rod; and two ends of the spring are respectively and fixedly connected with the lower surface of the upper die base and the upper surface of the lower die base.

According to the technical scheme provided by some embodiments of the application, the number of the telescopic links is four, and the bottom ends of the four telescopic links are respectively and fixedly connected to four corners of the upper end of the lower die holder.

According to the technical scheme provided by some embodiments of the application, the bottom surface of the moving plate is flush with the top surface of the lower die; and one end of the moving plate, which is contacted with the rotor sheet to be pushed out, is in a semi-circular arc shape.

According to the technical scheme provided by some embodiments of the application, a handle is arranged on one side, away from the accommodating groove, of the moving plate.

According to the technical scheme provided by some embodiments of the application, an arc-shaped shovel plate is arranged at the lower part of the push-out plate.

Compared with the prior art, the beneficial effect of this application: through setting up first ejecting hole, movable plate, ejector plate and telescopic cylinder, after rotor piece stamping forming, pull out the movable plate in following first ejecting hole, control telescopic cylinder promotes ejector plate, pushes out the outside to the die holder with the rotor piece along first ejecting hole, has solved the inconvenient problem of taking out of stamping forming's rotor piece, labour saving and time saving.

Drawings

Fig. 1 is a schematic structural diagram of a permanent magnet motor rotor punching die provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a lower die holder of the permanent magnet motor rotor punching die provided in the embodiment of the present application.

The text labels in the figures are represented as:

1. an upper die holder; 2. a lower die holder; 3. an upper die; 4. accommodating grooves; 5. a lower die; 6. moving the plate; 7. a handle; 8. pushing out the plate; 9. a telescopic cylinder; 10. a telescopic rod; 11. a spring.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1, the embodiment provides a permanent magnet motor rotor punching die, which includes an upper die holder 1 and a lower die holder 2, wherein an upper die 3 is fixedly disposed on a lower surface of the upper die holder 1, an upper surface of the lower die holder 2 is recessed inward to form a receiving groove 4, a cross section of the receiving groove 4 is circular, a lower die 5 is fixedly disposed at a bottom portion in the receiving groove 4, a first push-out hole for pushing out a rotor sheet is disposed on a side wall of the receiving groove 4, a moving plate 6 capable of horizontally sliding in the first push-out hole is disposed in the first push-out hole, a lower surface of the moving plate 6 is flush with an upper surface of the lower die 5, one side of the moving plate 6 close to the receiving groove 4 contacts with the rotor sheet to be pushed out, a contact surface of the moving plate is semi-circular, a buckle (not shown) is disposed on one side of the moving plate 6, one side that holding tank 4 was kept away from to movable plate 6 still is equipped with handle 7, be convenient for when the rotor piece is released to needs, pull out movable plate 6, the position relative with first push-out hole is equipped with the second push-out hole on the lateral wall of holding tank 4, the second pushes-out hole embeds there is push-out plate 8, push-out plate 8's lower surface flushes with the upper surface of lower mould 5, push-out plate 8's lower part orientation is equipped with curved shovel board towards the one side of waiting to push out the rotor piece, be convenient for push out of rotor piece, push-out plate 8 drives through telescopic cylinder 9, telescopic cylinder 9's cylinder is fixed in the outside of die holder 2, telescopic cylinder 9's piston rod is connected with push-out plate 8, a side that is close to first push-out hole is removed for.

When the punching die is used, a rotor sheet to be punched is placed above the lower die 5, and the upper die holder 1 and the lower die holder 2 are respectively installed on punching equipment, so that the rotor sheet is punched and formed; the buckle is opened, the movable plate 6 is pulled out from the first push-out hole by pulling the handle 7, the telescopic cylinder 9 is started, the piston rod of the telescopic cylinder 9 extends towards the left side, and the rotor sheet formed by stamping is pushed out to the outside of the lower die holder 2 through the first push-out hole by the push-out plate 8 fixed at the end part of the piston rod, so that the problem that the rotor sheet formed by stamping is inconvenient to take out is solved, and time and labor are saved.

In a preferred embodiment, the upper die holder 1 and the lower die holder 2 are connected through four telescopic rods 10, the top ends of the four telescopic rods 10 are fixed at four corners of the lower surface of the upper die holder 1, the bottom ends of the four telescopic rods 10 are fixed at four corners of the upper surface of the lower die holder 2, a spring 11 is movably sleeved on the rod wall of each telescopic rod 10, and two ends of the spring 11 are respectively fixedly connected with the lower surface of the upper die holder 1 and the upper surface of the lower die holder 2.

When the device is used, the telescopic rod 10 is contracted in the process that the upper die holder 1 is pressed downwards by the stamping equipment, and the spring 11 is compressed, so that a certain buffering effect exists between the upper die holder 1 and the lower die holder 2, and after the stamping is completed, the compressed spring 11 is reset to provide auxiliary power for the separation of the upper die 3 and the lower die 5.

According to the permanent magnet motor rotor punching die provided by the embodiment of the application, the first push-out hole, the moving plate 6, the push-out plate 8 and the telescopic cylinder 9 are arranged, after the rotor sheet is subjected to punch forming, the moving plate 6 is pulled out from the first push-out hole, the telescopic cylinder 9 is controlled to push the push-out plate 8, the rotor sheet is pushed out to the outside of the lower die holder 2 along the first push-out hole, the problem that the rotor sheet subjected to punch forming is inconvenient to take out is solved, and time and labor are saved; through setting up telescopic link 10 and spring 11 between upper die base 1 and die holder 2 for there is certain buffering effect between upper die base 1 and die holder 2 in the stamping process, spring 11 resets simultaneously and can provide auxiliary power for the separation of going up mould 3 and lower mould 5.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims

1. A permanent magnet motor rotor punching die is characterized by comprising an upper die base (1) and a lower die base (2); an upper die (3) is fixedly arranged on the lower surface of the upper die holder (1); the upper surface of the lower die holder (2) is sunken inwards to form a containing groove (4); the cross section of the accommodating groove (4) is circular; a lower die (5) is fixedly arranged at the bottom of the accommodating groove (4); a first push-out hole is formed in the side wall of the accommodating groove (4); a moving plate (6) capable of sliding horizontally is arranged in the first push-out hole; a second push-out hole is formed in the side wall of the accommodating groove (4) at a position opposite to the first push-out hole; a push-out plate (8) is arranged in the second push-out hole; one side of the push-out plate (8) far away from the accommodating groove (4) is connected with a telescopic cylinder (9).

2. The permanent magnet motor rotor punching die according to claim 1, wherein the upper die holder (1) and the lower die holder (2) are connected through a telescopic rod (10); a spring (11) is movably sleeved on the rod wall of the telescopic rod (10); and two ends of the spring (11) are respectively fixedly connected with the lower surface of the upper die holder (1) and the upper surface of the lower die holder (2).

3. The permanent magnet motor rotor punching die according to claim 2, wherein the number of the telescopic rods (10) is four, and the bottom ends of the four telescopic rods (10) are respectively and fixedly connected to four corners of the upper end of the lower die holder (2).

4. The permanent magnet motor rotor punching die according to claim 1, wherein the bottom surface of the moving plate (6) is flush with the top surface of the lower die (5); and one end of the moving plate (6) which is contacted with the rotor sheet to be pushed out is in a semi-circular arc shape.

5. The permanent magnet motor rotor punching die according to claim 1, wherein a handle (7) is arranged on one side of the moving plate (6) away from the accommodating groove (4).

6. The permanent magnet motor rotor punching die according to claim 1, characterized in that an arc-shaped shovel plate is arranged at the lower part of the ejector plate (8).