Riveting device for motor stator

Abstract

The utility model relates to the technical field of special riveting products such as brake lining riveting machines, and discloses a riveting device for a motor stator, which comprises a stator punching sheet, a limiting column is arranged in the stator punching sheet, and the outer surface of the limiting column is fixedly connected with a limiting plate. The side face, away from the limiting column, of the limiting plate can be in insertion limiting with the stator punching sheet, the upper side of the limiting column is fixedly connected with a guide rod, the upper side of the guide rod extends out of the upper side of the stator punching sheet, the upper side and the lower side of the stator punching sheet are provided with connecting mechanisms, and each connecting mechanism comprises a first connecting plate which is arranged on the lower side of the stator punching sheet. The upper side of the stator punching sheet is provided with the second connecting plate, and in this way, the motor stator can be connected without forming a weld groove in the stator punching sheet, so that the insulation of the stator core is not damaged, the no-load current is reduced, the stress can be eliminated without a period of time, and the risk is effectively reduced.

Description

Technical Field

[0001] The utility model relates to a riveting device specially used for riveting specific products, such as the technical field of brake lining riveting machines, in particular to a riveting device for motor stators. Background Art

[0002] The motor stator is an important component of motors such as generators and starters. The stator is an important part of the electric motor. The stator consists of three parts: the stator core, the stator winding and the frame. The main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by the magnetic lines of force in the rotating magnetic field to generate current.

[0003] Traditional motor stator press-fitting generally involves cutting weld grooves on the stator punching sheets and fixing them using argon arc welding. This method will damage the insulation of the stator core, increase iron loss and no-load current, and it will take some time for the welding stress to be eliminated. It has a certain timeliness and risk and cannot meet people's needs. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a riveting device for a motor stator, which has the function of connecting the motor stator without opening welding grooves on the stator punching sheets, so that the insulation of the stator core will not be damaged, the no-load current is reduced, and it does not take a while to eliminate the stress, thereby effectively reducing the risk.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a riveting device for a motor stator, comprising a stator punching sheet, a limiting column is arranged inside the stator punching sheet, a limiting plate is fixedly connected to the outer surface of the limiting column, and a side of the limiting plate away from the limiting column can be limited by the insertion of the stator punching sheet;

[0008] Wherein, a guide rod is fixedly connected to the upper side of the limit column, and the upper side of the guide rod extends out of the upper side of the stator punching sheet;

[0009] Wherein, connecting mechanisms are arranged on the upper side and the lower side of the stator punching sheet.

[0010] Preferably, the connecting mechanism comprises a first connecting plate, and the first connecting plate is arranged on the lower side of the stator punching sheet;

[0011] Wherein, a second connecting plate is arranged on the upper side of the stator punching sheet, and a connecting hole is opened on the upper side of the second connecting plate;

[0012] The upper side of the guide rod extends out of the upper side of the second connecting plate through the connecting hole.

[0013] Preferably, six connecting grooves are provided inside the stator punching sheet, and the six connecting grooves are arranged in a circular array with the center of the stator punching sheet;

[0014] The bottom walls of the connecting grooves extend into the interior of the first connecting plate, and the top walls of the connecting grooves extend into the interior of the second connecting plate.

[0015] Preferably, the top walls of the connecting grooves extend out of the upper side of the second connecting plate, and two clamping grooves are provided on one side of the six connecting grooves facing the center of the circle;

[0016] Among them, the two clamping grooves are arranged up and down, and the six clamping grooves on the upper side are all opened inside the second connecting plate.

[0017] Preferably, the six lower clamping grooves are all opened inside the first connecting plate, and clamping rods are arranged inside the six connecting grooves;

[0018] Among them, the six clamping rods are fixedly connected to two clamping blocks on one side facing the center of the circle, and the two clamping blocks are respectively matched with the upper and lower clamping grooves.

[0019] Preferably, the six connection grooves are each provided with a limit rod inside, and the six limit rods are respectively provided on a side of the six clamping rods away from the center of the circle;

[0020] The lower sides of the six limiting rods are all triangular, and the upper sides of the six limiting rods are all provided with disassembly grooves, and the shape of the disassembly grooves is L-shaped.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the utility model provides a riveting device for a motor stator, which has the following beneficial effects:

[0023] (1) The motor stator uses a riveting device. When the motor stator is installed, the limit column is first placed inside the stator punching sheet, and then the first connecting plate and the second connecting plate are respectively placed on the lower side and the upper side of the stator punching sheet, and at the same time, the connecting grooves opened on the stator punching sheet, the first connecting plate, and the second connecting plate are aligned, and then the clamping rod is inserted into the connecting groove from the upper side of the second connecting plate, and finally the limit rod is also inserted into the connecting groove, and the limit rod is placed on the side of the clamping rod away from the center of the circle, and then the limit rod is pressed downward, and then the limit rod will push the clamping rod to move, and the clamping rod will push the clamping block to move, and then the two clamping blocks will respectively move to the inside of the upper and lower clamping grooves to form a clamping state, and then the installation method of the motor stator can be completed, and the motor stator can be connected without opening a welding groove on the stator punching sheet, so that the insulation of the stator core will not be damaged, the no-load current is reduced, and the stress does not need to be eliminated after a period of time, which effectively reduces the risk.

[0024] (2) The motor stator is riveted by a triangular body on the lower side of the limit rod, which makes it easier to insert the limit rod into the connection groove. The outer surface of the limit rod is provided with a frosted or rubber layer, thereby increasing the friction force to prevent the limit rod from being easily removed from the inside of the connection groove. When disassembly is required, the staff can simply and quickly remove the limit rod from the connection groove through the L-shaped disassembly groove, making the motor stator easier to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of a riveting device for a motor stator according to the utility model;

[0026] Figure 2 This is a schematic diagram of the cross-sectional connection structure of the stator punching sheet, the first connecting plate, and the second connecting plate of the utility model;

[0027] Figure 3 for Figure 2 A magnified schematic diagram of point A;

[0028] Figure 4 for Figure 2 An enlarged schematic diagram of point B;

[0029] Figure 5 This is a schematic diagram of the internal structure of the stator punching sheet of the utility model;

[0030] Figure 6 It is a schematic diagram of the internal connection structure of the connection groove of the utility model.

[0031] In the figure: 1. stator punching sheet; 2. limit column; 3. limit plate; 4. guide rod; 5. connecting groove; 6. first connecting plate; 7. second connecting plate; 8. connecting hole; 9. clamping groove; 10. clamping rod; 11. clamping block; 12. limit rod; 13. disassembly groove. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figures 1 to 6The utility model provides a new technical solution: a riveting device for a motor stator, comprising a stator punching sheet 1, a limiting column 2 is arranged inside the stator punching sheet 1, a limiting plate 3 is fixedly connected to the outer surface of the limiting column 2, a side of the limiting plate 3 away from the limiting column 2 can be limited by the insertion of the stator punching sheet 1, a guide rod 4 is fixedly connected to the upper side of the limiting column 2, the upper side of the guide rod 4 extends out of the upper side of the stator punching sheet 1, a connecting mechanism is arranged on the upper and lower sides of the stator punching sheet 1, the connecting mechanism comprises a first connecting plate 6, the first connecting plate 6 is arranged on the lower side of the stator punching sheet 1, a second connecting plate 7 is arranged on the upper side of the stator punching sheet 1, a connecting hole 8 is opened on the upper side of the second connecting plate 7, the upper side of the guide rod 4 extends out of the upper side of the second connecting plate 7 through the connecting hole 8, Six connecting grooves 5 are provided inside the sub-punch 1. The six connecting grooves 5 are arranged in a circular array with the center of the stator punch 1. The bottom walls of the connecting grooves 5 extend into the interior of the first connecting plate 6, and the top walls of the connecting grooves 5 extend into the interior of the second connecting plate 7. The top walls of the connecting grooves 5 extend out of the upper side of the second connecting plate 7. Two clamping grooves 9 are provided on the side of the six connecting grooves 5 facing the center of the circle. The two clamping grooves 9 are arranged up and down. The six clamping grooves 9 on the upper side are all opened in the interior of the second connecting plate 7, and the six clamping grooves 9 on the lower side are all opened in the interior of the first connecting plate 6. Clamping rods 10 are provided inside the six connecting grooves 5. The six clamping rods 10 are fixedly connected to two clamping blocks 11 on the side facing the center of the circle. The two clamping blocks 11 are respectively connected to the upper and lower clamping grooves 9 To match, the six connecting grooves 5 are each provided with a limiting rod 12, and the six limiting rods 12 are respectively arranged on the side of the six clamping rods 10 away from the center of the circle, and the limiting rod 12 plays a role of limiting and fixing the clamping rod 10, and the lower sides of the six limiting rods 12 are all triangular, and the upper sides of the six limiting rods 12 are each provided with a disassembly groove 13, and the shape of the disassembly groove 13 is L-shaped. When starting to work, when installing the motor stator, first place the limiting column 2 inside the stator punching sheet 1, and then the limiting plate 3 can be inserted and limited with the stator punching sheet 1, and then the first connecting plate 6 and the second connecting plate 7 are respectively placed on the lower side and the upper side of the stator punching sheet 1, at this time, the guide rod 4 extends out of the upper side of the second connecting plate 7 through the connecting hole 8, and at the same time makes the stator The connecting grooves 5 opened on the sub-punching sheet 1, the first connecting plate 6, and the second connecting plate 7 are aligned, and then the clamping rod 10 is inserted into the inside of the connecting groove 5 from the upper side of the second connecting plate 7. The clamping rod 10 will pass through the connecting groove 5 on the stator punching sheet 1 and finally reach the connecting groove 5 on the first connecting plate 6. Finally, the limiting rod 12 is also inserted into the inside of the connecting groove 5. The triangular body on the lower side of the limiting rod 12 will make it easier to insert into the connecting groove 5. The limiting rod 12 is placed on the side of the clamping rod 10 away from the center of the circle, and then the limiting rod 12 is pressed downward, and then the limiting rod 12 will push the clamping rod 10 to move, and the clamping rod 10 will push the clamping block 11 to move, and then the two clamping blocks 11 will move to the inside of the upper and lower clamping grooves 9 respectively to form a clamping state.Then the installation of the motor stator can be completed. The outer surface of the limit rod 12 is set to be frosted or rubber layer, and the increased friction prevents the limit rod 12 from being easily removed from the inside of the connection slot 5. When disassembly is required, the staff can simply and quickly remove the limit rod 12 from the connection slot 5 through the L-shaped disassembly slot 13. In this way, the motor stator can be connected without opening a welding seam slot on the stator punching sheet 1, so that the insulation of the stator core will not be damaged, the no-load current is reduced, and the stress does not need to be eliminated after a period of time, which effectively reduces the risk.

[0034] Working principle: When starting work, when installing the motor stator, first place the limit column 2 inside the stator punching 1, and then the limit plate 3 can be plugged and limited with the stator punching 1, and then place the first connecting plate 6 and the second connecting plate 7 on the lower side and upper side of the stator punching 1 respectively. At this time, the guide rod 4 extends out of the upper side of the second connecting plate 7 through the connecting hole 8, and at the same time, the connecting grooves 5 opened on the stator punching 1, the first connecting plate 6, and the second connecting plate 7 are aligned, and then the clamping rod 10 is inserted into the connecting groove 5 from the upper side of the second connecting plate 7. The clamping rod 10 will pass through the connecting groove 5 on the stator punching 1 and finally reach the connecting groove 5 on the first connecting plate 6. Finally, the limit rod 12 is also inserted into the connecting groove 5. The triangle on the lower side of the limit rod 12 makes it easier to insert into the connecting groove 5. The limit rod 12 is placed on the side of the clamping rod 10 away from the center of the circle, and then the limit rod 12 is pressed downward, and then the limit rod 12 will push the clamping rod 10 to move, and the clamping rod 10 will push the clamping block 11 to move, and then the two clamping blocks 11 will move to the inside of the upper and lower clamping grooves 9 respectively to form a clamping state, and then the installation of the motor stator can be completed. The outer surface of the limit rod 12 is set to a frosted or rubber layer, and the increased friction force prevents the limit rod 12 from being able to easily come out of the inside of the connecting groove 5. When disassembly is required, the staff can simply and quickly remove the limit rod 12 from the connecting groove 5 through the L-shaped disassembly groove 13.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A riveting device for a motor stator, comprising a stator punching sheet (1), characterized in that: A limiting column (2) is arranged inside the stator punching sheet (1), and the outer surface of the limiting column (2) is fixedly connected to a limiting plate (3), and a side surface of the limiting plate (3) away from the limiting column (2) can be inserted and limited with the stator punching sheet (1); The upper side of the limiting column (2) is fixedly connected to a guide rod (4), and the upper side of the guide rod (4) extends beyond the upper side of the stator punching sheet (1); Wherein, the upper side and the lower side of the stator punching sheet (1) are provided with connecting mechanisms.

2. A riveting device for a motor stator according to claim 1, characterized in that: The connecting mechanism comprises a first connecting plate (6), and the first connecting plate (6) is arranged on the lower side of the stator punching sheet (1); Wherein, a second connecting plate (7) is arranged on the upper side of the stator punching sheet (1), and a connecting hole (8) is opened on the upper side of the second connecting plate (7); The upper side of the guide rod (4) extends out of the upper side of the second connecting plate (7) through the connecting hole (8).

3. The riveting device for a motor stator according to claim 1, characterized in that: Six connection slots (5) are provided inside the stator punching sheet (1), and the six connection slots (5) are arranged in a circular array with the center of the stator punching sheet (1); The bottom wall of the connecting groove (5) extends into the interior of the first connecting plate (6), and the top wall of the connecting groove (5) extends into the interior of the second connecting plate (7).

4. The riveting device for a motor stator according to claim 3, characterized in that: The top walls of the connection grooves (5) extend out of the upper side of the second connection plate (7), and two clamping grooves (9) are provided on one side of the six connection grooves (5) facing the center of the circle; The two clamping grooves (9) are arranged vertically, and the six clamping grooves (9) on the upper side are all opened inside the second connecting plate (7).

5. The riveting device for a motor stator according to claim 4, characterized in that: The six lower clamping grooves (9) are all opened inside the first connecting plate (6), and the six connecting grooves (5) are all provided with clamping rods (10); Among them, the six clamping rods (10) are all fixedly connected to two clamping blocks (11) on one side facing the center of the circle, and the two clamping blocks (11) are respectively matched with the upper and lower clamping grooves (9).

6. The riveting device for a motor stator according to claim 5, characterized in that: Limiting rods (12) are arranged inside the six connection grooves (5), and the six limiting rods (12) are respectively arranged on a side of the six clamping rods (10) away from the center of the circle; The lower sides of the six limiting rods (12) are all triangular, and the upper sides of the six limiting rods (12) are all provided with disassembly grooves (13), and the shape of the disassembly grooves (13) is L-shaped.

Images