CN220732466U - Fold and rivet formula motor rotor core - Google Patents

Abstract

The utility model provides a stacked riveting type motor rotor iron core, which relates to the technical field of motor rotors and comprises a fixing piece, wherein a fastening piece is arranged at the lower part of the fixing piece, an iron core punching sheet is arranged at the lower part of the fastening piece, a pressing groove is formed in the upper surface of the iron core punching sheet, a movable piece is arranged on the surface of the fixing piece, movable ejector rods are connected with the inner side of the movable piece in a threaded manner, and penetrate through the fixing piece, and the number of the movable ejector rods is the same as that of the pressing grooves and corresponds to the number of the pressing grooves up and down. According to the utility model, the fastening piece is buckled on the uppermost iron core punching sheet, so that the movable ejector rod is propped against the inside of the pressing groove, then the movable piece is rotated, the movable ejector rod is gradually moved downwards through threaded fit, the lower iron core punching sheet is applied with force, the movable pieces are sequentially rotated, the iron core punching sheets are connected and fastened, and the iron core punching sheets are conveniently overlapped and riveted through the first fixing groove and the limiting protruding block, so that the integral overlapping and riveting efficiency can be improved.

Description

Fold and rivet formula motor rotor core

Technical Field

The utility model belongs to the technical field of motor rotors, and particularly relates to a stacked and riveted motor rotor core.

Background

The motor iron core punching sheet is one of important components in the motor, is manufactured by adopting silicon steel sheets with high magnetic conductivity and small electromagnetic loss, is usually manufactured by adopting the silicon steel sheets with the thickness of 0.35,0.5 in order to reduce loss, is mostly fixed together by overlapping riveting, is a chute for improving the motor rotor performance, and is required to be overlapped and riveted along with the rotation of the angle of the chute when the motor rotor of the chute is overlapped and riveted, and is required to be sequentially rotated by a certain angle by people, so that the overlapping and riveting efficiency is lower, errors are very easy to occur, the common iron core punching sheet is not fastened enough after being overlapped and riveted, and the integral use efficiency is reduced.

Accordingly, in view of the above, research and improvement are made to the existing structure and the existing defects, and a stacked and riveted motor rotor core is provided to achieve the purpose of more practical value.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a stacked and riveted motor rotor core, which solves the problems that the existing stacked and riveted efficiency is low, mistakes are easy to occur, and the common core punching sheet is not fastened enough after stacked and riveted.

The utility model discloses a purpose and an effect of a stacked and riveted motor rotor core, which are achieved by the following specific technical means:

the utility model provides a fold and rivet formula motor rotor core, includes the mounting, the lower part of mounting is provided with the fastener, the lower part of fastener is provided with the iron core towards the piece, the indent has been seted up to the upper surface of iron core towards the piece, the surface mounting of mounting has the moving part, the inboard threaded connection of moving part has the removal ejector pin, the removal ejector pin runs through in the mounting, the quantity of removal ejector pin is the same with the quantity of indent, and corresponds from top to bottom.

Further, the diameter of the movable ejector rod is matched with the diameter of the pressing groove, the lower part of the movable ejector rod is positioned at the inner side of the pressing groove, and the lower end of the movable ejector rod is propped against the inner bottom surface of the pressing groove.

Further, the iron core punching sheet is provided with first fixing grooves, the upper surface of the iron core punching sheet is provided with limiting convex blocks, and the number of the first fixing grooves is the same as that of the limiting convex blocks and is staggered.

Further, the second fixing groove is formed in the lower surface of the fastener, the size of the second fixing groove is matched with the size of the limiting protruding block, and the positions of the second fixing groove and the limiting protruding block are corresponding to each other.

Further, the number of the iron core punching sheets is a plurality of, wherein the limit protruding blocks on the uppermost iron core punching sheet are positioned in the second fixing groove, and the limit protruding blocks on the rest iron core punching sheets are positioned in the adjacent first fixing grooves.

Further, the inside of mounting has rotor and dwang, the output shaft is installed to the one end of dwang.

Compared with the prior art, the utility model has the following beneficial effects:

the fastener is buckled on the uppermost iron core punching sheet, so that the movable ejector rod is propped against the inside of the pressing groove, then the movable piece is rotated, the movable ejector rod is gradually moved downwards through threaded fit, the lower iron core punching sheet is forced, and the movable pieces are sequentially rotated, so that the iron core punching sheets are connected and fastened.

According to the utility model, the limiting protruding blocks on the adjacent iron core punching sheets are positioned in the adjacent first fixing grooves, so that the two adjacent iron core punching sheets can be fixed and sequentially reciprocated, and the iron core punching sheets can be conveniently overlapped and riveted through the cooperation of the first fixing grooves and the limiting protruding blocks, so that the integral overlapping and riveting efficiency can be improved.

Drawings

Fig. 1 is an overall schematic diagram of a stacked and riveted motor rotor core according to the present utility model.

Fig. 2 is a schematic view showing the disassembly of a fixing member and a fastening member of a rotor core of a stacked rivet type motor according to the present utility model.

Fig. 3 is a schematic view illustrating the disassembly of a fastener and an iron core punching sheet of a rotor core of a stacked and riveted motor according to the present utility model.

Fig. 4 is a schematic diagram of an iron core punching sheet of a rotor core of a stacked and riveted motor according to the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a fixing member; 2. a fastener; 3. pressing a groove; 4. iron core punching; 5. a limit bump; 6. a second fixing groove; 7. a first fixing groove; 8. moving the ejector rod; 9. a movable member; 10. a rotating member; 11. a rotating lever; 12. an output shaft.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 4:

the utility model provides a stacked riveting type motor rotor iron core, which comprises a fixing piece 1, wherein a fastening piece 2 is arranged at the lower part of the fixing piece 1, an iron core punching sheet 4 is arranged at the lower part of the fastening piece 2, a pressing groove 3 is formed in the upper surface of the iron core punching sheet 4, a movable piece 9 is arranged on the surface of the fixing piece 1, movable ejector rods 8 are connected with the inner side of the movable piece 9 in a threaded manner, the movable ejector rods 8 penetrate through the fixing piece 1, the number of the movable ejector rods 8 is the same as that of the pressing grooves 3, the movable ejector rods correspond up and down, the diameter of the movable ejector rods 8 is matched with the diameter of the pressing groove 3, the lower part of the movable ejector rods 8 is positioned at the inner side of the pressing groove 3, and the lower end of the movable ejector rods 8 abuts against the inner bottom surface of the pressing groove 3;

the fastener 2 is buckled on the uppermost iron core punching sheet 4, the movable ejector rod 8 is propped against the inside of the pressing groove 3, then the movable piece 9 is rotated, the movable ejector rod 8 is gradually moved downwards through threaded fit, the lower iron core punching sheet 4 is forced, and the movable pieces 9 are sequentially rotated, so that the iron core punching sheets 4 are connected and fastened.

The iron core punching sheet 4 is provided with first fixing grooves 7, the upper surface of the iron core punching sheet 4 is provided with limit protruding blocks 5, the number of the first fixing grooves 7 is the same as that of the limit protruding blocks 5, the first fixing grooves and the limit protruding blocks 5 are arranged in a staggered mode, the lower surface of the fastening piece 2 is provided with second fixing grooves 6, the sizes of the second fixing grooves 6 are matched with those of the limit protruding blocks 5, and the positions of the second fixing grooves are corresponding to each other; the number of the iron core punching sheets 4 is a plurality, wherein the limit protruding blocks 5 on the uppermost iron core punching sheet 4 are positioned in the second fixing groove 6, and the limit protruding blocks 5 on the rest iron core punching sheets 4 are positioned in the adjacent first fixing grooves 7;

the iron core punching sheets 4 are sequentially overlapped and riveted, so that the limiting protruding blocks 5 on the adjacent iron core punching sheets 4 are positioned inside the adjacent first fixing grooves 7, the two adjacent iron core punching sheets 4 can be fixed, the iron core punching sheets 4 can be sequentially reciprocated, and the iron core punching sheets 4 can be conveniently overlapped and riveted through the cooperation of the first fixing grooves 7 and the limiting protruding blocks 5.

Wherein, the inside of mounting 1 has rotor 10 and dwang 11, output shaft 12 is installed to the one end of dwang 11.

Specific use and action of the embodiment:

according to the utility model, a plurality of iron core punching sheets 4 are sequentially riveted, so that the limiting convex blocks 5 on the adjacent iron core punching sheets 4 are positioned in the adjacent first fixing grooves 7, two adjacent iron core punching sheets 4 can be fixed and sequentially reciprocated, the iron core punching sheets 4 can be conveniently riveted through the cooperation of the first fixing grooves 7 and the limiting convex blocks 5, after the iron core punching sheets 4 are riveted, a fastening piece 2 is buckled on the uppermost iron core punching sheet 4, the inner parts of the movable ejector rods 8 and the pressing grooves 3 are abutted, then the movable pieces 9 are rotated, the movable ejector rods 8 are gradually moved downwards through threaded cooperation, force is applied to the lower iron core punching sheets 4, and the movable pieces 9 are sequentially rotated, so that the iron core punching sheets 4 are connected and fastened.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. The utility model provides a fold and rivet formula motor rotor core, includes mounting (1), its characterized in that: the lower part of mounting (1) is provided with fastener (2), the lower part of fastener (2) is provided with iron core towards piece (4), indent (3) have been seted up to the upper surface of iron core towards piece (4), the surface mounting of mounting (1) has moving part (9), the inboard threaded connection of moving part (9) has movable ejector pin (8), movable ejector pin (8) run through in mounting (1), the quantity of movable ejector pin (8) is the same with the quantity of indent (3), and corresponds from top to bottom.

2. A stacked rivet motor rotor core as set forth in claim 1, wherein: the diameter of the movable ejector rod (8) is matched with the diameter of the pressing groove (3), the lower part of the movable ejector rod (8) is positioned at the inner side of the pressing groove (3), and the lower end of the movable ejector rod (8) is abutted against the inner bottom surface of the pressing groove (3).

3. A stacked rivet motor rotor core as set forth in claim 2, wherein: the iron core punching sheet (4) is provided with first fixing grooves (7), the upper surface of the iron core punching sheet (4) is provided with limiting convex blocks (5), and the number of the first fixing grooves (7) is the same as the number of the limiting convex blocks (5) and is staggered.

4. A stacked rivet motor rotor core as set forth in claim 3, wherein: the lower surface of fastener (2) has seted up second fixed slot (6), the size of second fixed slot (6) and the size looks adaptation of spacing lug (5), and the position corresponds each other.

5. A stacked rivet motor rotor core as set forth in claim 4, wherein: the number of the iron core punching sheets (4) is a plurality of, wherein limit lugs (5) on the uppermost iron core punching sheet (4) are located in the second fixing grooves (6), and the rest of limit lugs (5) on the iron core punching sheets (4) are located in the adjacent first fixing grooves (7).

6. A stacked rivet motor rotor core as set forth in claim 1, wherein: the rotary part (10) and the rotary rod (11) are installed in the fixing part (1), and an output shaft (12) is installed at one end of the rotary rod (11).