Riveting tool

Abstract

The embodiment of the utility model provides a riveting tool, and relates to the technical field of riveting of excitation stators of generators. The riveting tool comprises a base assembly, a lower riveting assembly, a driving assembly and an upper riveting assembly. The lower riveting assembly comprises an iron core blank, a mounting bottom plate, a lower riveting column and a mounting seat. And the iron core blank is fixed on the mounting seat. And the mounting bottom plate is sleeved on the iron core blank. And an elastic piece is connected between the mounting bottom plate and the mounting seat. And the lower riveting column is fixed on the mounting seat. And the lower riveting column can penetrate through the mounting bottom plate. The mounting base is slidably connected with the base assembly. The riveting piece is arranged on the iron core blank in a sleeving mode and abuts against the installation bottom plate. The driving assembly is arranged on the base assembly and used for driving the lower riveting assembly to slide relative to the base assembly. The upper riveting assembly is arranged on the base assembly. The upper riveting assembly comprises a top plate and an upper riveting column. And the upper riveting column is fixed on the top plate. And the upper riveting column is used for fixing a rivet. The riveting tool is easy to operate, the stability of the whole structure can be improved, the consistency of products is guaranteed, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to generator excitation stator riveting pressure technical field, specifically, relate to a riveting pressure frock. BACKGROUND

[0002] With the continuous development of the generator industry, the generator excitation stator as one of the key components, its riveting process directly influences the working performance and life of the generator.

[0003] However, the riveting of the excitation stator core is generally carried out by manual riveting. First, the excitation stator needs to be tightened by four or more bolts. This operation method is prone to cause the excitation stator to be tight on one side and loose on the other side during tightening, thereby affecting the riveting coefficient and reducing the stability of the overall structure. Subsequently, riveting is carried out by using a rivet and a hammer. This process not only has low production efficiency, but also cannot guarantee the appearance and reliability of the rivet points, ultimately resulting in poor consistency of the product. In addition, since the operation is completely manual, this riveting method is very backward in terms of production efficiency and cannot meet the high efficiency requirements of modern industrial production. SUMMARY

[0004] The utility model aims to provide a riveting frock, which is simple to operate, can improve the stability of the overall structure, ensure the consistency of the product, and improve the production efficiency.

[0005] The embodiments of the utility model can be implemented as follows:

[0006] The utility model provides a riveting frock, which comprises:

[0007] a base assembly;

[0008] a lower riveting assembly, the lower riveting assembly comprising an iron core blank, a mounting bottom plate, a lower rivet column, and a mounting seat, the iron core blank being fixed on the mounting seat, the mounting bottom plate being sleeved on the iron core blank, an elastic member being connected between the mounting bottom plate and the mounting seat, the lower rivet column being fixed on the mounting seat, the lower rivet column being capable of penetrating through the mounting bottom plate, the mounting seat being slidably connected with the base assembly, and a riveting piece being sleeved on the iron core blank and abutting against the mounting bottom plate;

[0009] a driving assembly, the driving assembly being arranged on the base assembly and being used to drive the lower riveting assembly to slide relative to the base assembly;

[0010] An upper riveting and pressing assembly is arranged on the base assembly, the upper riveting and pressing assembly comprises a top plate and an upper riveting column fixed on the top plate, the upper riveting column is used for fixing a rivet, the upper riveting column is arranged opposite to the lower riveting column when the lower riveting and pressing assembly moves directly below the upper riveting and pressing assembly, and the top plate can move up and down to drive the upper riveting column to move close to the lower riveting column to complete riveting and pressing.

[0011] In an optional embodiment, the lower riveting and pressing assembly further comprises a first guide column fixed on the mounting seat, and a first guide hole is arranged on the mounting bottom plate and matched with the first guide column.

[0012] In an optional embodiment, the lower riveting and pressing assembly further comprises a limiting screw mounted on the mounting seat, and the limiting screw is arranged on the upper surface of the mounting seat and used for limiting the mounting bottom plate.

[0013] In an optional embodiment, the length of the limiting screw extending out of the upper surface of the mounting seat is adjustable.

[0014] In an optional embodiment, the upper riveting and pressing assembly further comprises a mounting groove arranged on the side surface of the iron core blank, and the mounting groove is used for limiting relative rotation between the riveting and pressing piece and the iron core blank.

[0015] In an optional embodiment, the iron core blank and the mounting groove are both arranged with chamfers.

[0016] In an optional embodiment, the upper riveting column is detachably connected with the top plate, and the lower riveting column is detachably connected with the mounting seat.

[0017] In an optional embodiment, a second guide column is fixed on the base assembly, and a second guide hole is arranged on the top plate and matched with the second guide column.

[0018] In an optional embodiment, the base assembly comprises a base and two pressing plates, the base is arranged with a sliding groove, and the two pressing plates are respectively fixed on the top of the two side walls of the sliding groove and arranged in the sliding groove.

[0019] In an optional embodiment, an oil guide groove is arranged at the bottom of the sliding groove.

[0020] The riveting and pressing tool has the following beneficial effects.

[0021] The riveting tool comprises a base assembly, a lower riveting assembly, a driving assembly and an upper riveting assembly. The lower riveting assembly comprises an iron core blank, a mounting bottom plate, a lower riveting column and a mounting seat. The iron core blank is fixed on the mounting seat. The mounting bottom plate is sleeved on the iron core blank. An elastic member is connected between the mounting bottom plate and the mounting seat. The lower riveting column is fixed on the mounting seat. The lower riveting column can pass through the mounting bottom plate. The mounting seat is slidably connected with the base assembly. A riveting piece is sleeved on the iron core blank and abuts against the mounting bottom plate. The driving assembly is arranged on the base assembly and is used for driving the lower riveting assembly to slide relative to the base assembly. The upper riveting assembly is arranged on the base assembly. The upper riveting assembly comprises a top plate and an upper riveting column. The upper riveting column is fixed on the top plate. The upper riveting column is used for fixing a rivet. When the riveting assembly is directly below, the upper riveting column is arranged opposite to the lower riveting column, and the top plate can move up and down to drive the upper riveting column to move close to the lower riveting column to complete riveting. By arranging the iron core blank, the riveting piece is sleeved on the iron core blank during work, riveting of the riveting piece is realized by pressing of the upper riveting assembly and the lower riveting assembly, the situation that the pressing degrees of two ends of the riveting piece are different when the riveting piece is fixed by a screw is avoided, the stability of the overall structure is improved, and the consistency of riveting products is improved. By arranging the lower riveting assembly to be slidably connected with the base assembly, the lower riveting assembly can slide out below the upper riveting assembly, the riveting piece is convenient for the staff to install, and the operation is simple. By driving the assembly to move by the driving assembly, manual operation is not needed, and production effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 The structural schematic view of the riveting tool provided for the present embodiment is shown in the figure.

[0024] Figure 2 The structural schematic view of the lower riveting assembly in the first perspective provided for the present embodiment is shown in the figure.

[0025] Figure 3 The structural schematic view of the lower riveting assembly in the second perspective provided for the present embodiment is shown in the figure.

[0026] Figure 4 The structural schematic view of the upper riveting assembly provided for the present embodiment is shown in the figure.

[0027] Figure 5 The structural schematic view of the excitation stator core before riveting provided for the present embodiment is shown in the figure.

[0028] Figure 6A structure schematic diagram of the riveting of the excitation stator core is provided for the embodiment;

[0029] Figure 7 A structure schematic diagram of the base assembly is provided for the embodiment.

[0030] Icon: 100-riveting tool; 10-base assembly; 11-base; 12-pressing plate; 13-slotted guide; 14-second guide column; 15-oil guide groove; 20-lower riveting assembly; 21-core blank; 211-mounting groove; 212-chamfer; 213-first positioning stop; 22-mounting base plate; 221-first guide hole; 23-lower riveting column; 24-elastic member; 25-first guide column; 26-limiting screw; 27-mounting seat; 271-second positioning stop; 272-cylinder connecting piece; 30-driving assembly; 40-upper riveting assembly; 41-top plate; 411-second guide hole; 42-upper riveting column; 50-excitation stator core; 51-rivets. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0033] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] In the description of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0035] In addition, if the terms "first", "second" and the like are used herein, these terms are used only for distinguishing between similar elements and cannot be understood as indicating or implying relative importance.

[0036] It should be noted that the features in the embodiments of the present application can be combined with each other without conflict.

[0037] Please refer to Figure 1 The riveting tool 100 provided by the present application is applied to riveting and fixing of the exciter stator of the generator. Specifically, the riveting tool 100 is used for stacking and riveting and fixing a plurality of exciter stator laminations together.

[0038] Please refer to Figure 1 and Figure 2 The riveting tool 100 includes a base assembly 10, a lower riveting assembly 20, a driving assembly 30 and an upper riveting assembly 40. The lower riveting assembly 20 includes an iron core blank 21, a mounting bottom plate 22, a lower riveting column 23 and a mounting seat 27. The iron core blank 21 is fixed on the mounting seat 27. The mounting bottom plate 22 is sleeved on the iron core blank 21. An elastic member 24 is connected between the mounting bottom plate 22 and the mounting seat 27. The lower riveting column 23 is fixed on the mounting seat 27. The lower riveting column 23 can pass through the mounting bottom plate 22. The mounting seat 27 is in sliding connection with the base assembly 10. A riveting piece is sleeved on the iron core blank 21 and abuts against the mounting bottom plate 22. Specifically, in the present embodiment, the riveting piece is a plurality of exciter stator laminations. During installation, the plurality of exciter stator laminations are sleeved on the iron core blank 21 in sequence. After the plurality of exciter stator laminations are stacked and fixed, an exciter stator core 50 is formed. The bottom of the exciter stator core 50 is supported by the mounting bottom plate 22.

[0039] It can be understood that in the present embodiment, rivet holes 51 are provided on the exciter stator laminations. The lower riveting column 23 passes through the mounting bottom plate 22 and is correspondingly arranged with the rivet holes 51 of the exciter stator core 50.

[0040] Specifically, in the present embodiment, the iron core blank 21 is fixedly connected with the mounting seat 27 through a fastening bolt. The iron core blank 21 and the mounting seat 27 are respectively provided with a first stepped positioning stopper 213 and a second stepped positioning stopper 271. It can be understood that the first stepped positioning stopper 213 and the second stepped positioning stopper 271 are clamped to position the iron core blank 21 along the axial direction thereof. Then the iron core blank 21 and the mounting seat 27 are fixedly connected through the fastening bolt.

[0041] Please refer to Figure 1 and Figure 3The driving assembly 30 is arranged on the base assembly 10. The driving assembly 30 is used to drive the lower riveting assembly 20 to slide relative to the base assembly 10. Specifically, in the embodiment, the driving assembly 30 is a pneumatic cylinder. A pneumatic cylinder connecting piece 272 is arranged on the mounting seat 27. The driving rod of the pneumatic cylinder is fixedly connected with the pneumatic cylinder connecting piece 272. The pneumatic cylinder can drive the lower riveting assembly 20 to linearly slide relative to the base assembly 10.

[0042] Please refer to Figure 1 and Figure 4 The upper riveting assembly 40 is arranged on the base assembly 10. The upper riveting assembly 40 comprises a top plate 41 and an upper riveting column 42. The upper riveting column 42 is fixed on the top plate 41. The upper riveting column 42 is used to fix the rivet 51. When the lower riveting assembly 20 moves to the position directly below the upper riveting assembly 40, the upper riveting column 42 is arranged opposite to the lower riveting column 23, and the top plate 41 can move up and down to drive the upper riveting column 42 to move close to the lower riveting column 23 to complete riveting. It can be understood that, in the embodiment, the top plate 41 is arranged spaced apart from the base assembly 10, and the top plate 41 can move up and down to drive the upper riveting column 42 and the rivet 51 to press the lower riveting assembly 20 below. It can be understood that the riveting tool 100 further comprises a driving member (not shown in the figure) used to drive the upper riveting assembly 40 to move. Specifically, the driving member can be arranged as a pneumatic cylinder, a hydraulic cylinder or the like.

[0043] In the embodiment, the driving assembly 30 is arranged to drive the lower riveting assembly 20 to slide relative to the base assembly 10, so that the lower riveting assembly 20 has a mounting station sliding out of the upper riveting assembly 40 and a riveting station located directly below the upper riveting assembly 40. When the lower riveting assembly 20 slides out of the upper riveting assembly 40, the operator can take down the riveting completed excitation stator core 50, and then again set the excitation stator sheet on the core blank 21.

[0044] Please refer to Figure 1 , Figure 5 and Figure 6 When the lower riveting assembly 20 is located directly below the upper riveting assembly 40, the upper riveting assembly 40 is driven to press down. At this time, the rivet 51 is fixed on the upper riveting column 42. The head of the rivet 51 is located at one end of the upper riveting column 42. The rivet 51 passes through the rivet holes of the excitation stator sheets in sequence and abuts against the lower riveting column 23 below. Under the action of the pressure, the lower part of the rivet 51 deforms, and the rivet head is formed at the lower end of the excitation stator core 50, so as to rivet and fix the plurality of excitation stator sheets.

[0045] Please refer to Figure 2Further, in the embodiment, the elastic member 24 is connected between the mounting bottom plate 22 and the mounting seat 27. It can be understood that when the upper riveting assembly 40 is pressed down, the upper riveting assembly 40 and the lower riveting assembly 20 first produce soft contact and then hard contact riveting due to the action of the elastic member 24. That is, when the soft contact occurs, the elastic member 24 deforms to tightly press and compact the plurality of excitation stator laminations in sequence, and the rivet head of the upper end of the rivet 51 is tightly attached to the excitation stator laminations. When the hard contact occurs, the elastic member 24 is compressed to the position, the bottom of the rivet 51 abuts against the lower riveting column 23 to deform, and the rivet head is formed, thereby riveting the two ends of the excitation stator core 50.

[0046] Specifically, in the embodiment, the elastic member 24 is a spring. In other embodiments, the elastic member 24 can be provided as rubber, an air bag, etc., and the utility model does not limit this.

[0047] In the embodiment, the lower riveting assembly 20 further comprises a first guide column 25. The first guide column 25 is fixed on the mounting seat 27. A first guide hole 221 matched with the first guide column 25 is formed on the mounting bottom plate 22. By arranging the first guide column 25 and the first guide hole 221, the movement of the mounting bottom plate 22 can be guided to prevent the mounting bottom plate 22 from being dislocated.

[0048] Further, the lower riveting assembly 20 further comprises a limiting screw 26. The limiting screw 26 is installed on the mounting seat 27. The limiting screw 26 is arranged to protrude from the upper surface of the mounting seat 27 to limit the movement of the mounting bottom plate 22. It can be understood that when the mounting bottom plate 22 is pressed down, the limiting screw 26 can abut against the mounting bottom plate 22 to limit the stroke of the mounting bottom plate 22.

[0049] Still further, the length of the limiting screw 26 protruding from the upper surface of the mounting seat 27 is adjustable. It can be understood that by adjusting the length of the limiting screw 26 protruding from the upper surface of the mounting seat 27, the limit position of the movement of the mounting bottom plate 22 can be adjusted. Specifically, in the embodiment, a threaded hole matched with the limiting screw 26 is formed on the mounting seat 27, and by rotating the limiting screw 26, the length of the limiting screw 26 protruding from the upper surface of the mounting seat 27 can be adjusted.

[0050] In the embodiment, the upper riveting assembly 40 further comprises a mounting groove 211. The mounting groove 211 is arranged on the side surface of the core blank 21. The mounting groove 211 is used to limit the relative rotation between the riveting member and the core blank 21. It can be understood that in the embodiment, the inner side of the excitation stator lamination is provided with a ring-shaped tooth profile. By arranging the mounting groove 211 on the side surface of the core blank 21, the mounting groove 211 is clamped with the tooth profile of the excitation stator lamination, thereby preventing the excitation stator lamination from rotating relative to the core blank 21 during installation, and avoiding the situation that the rivet holes of the plurality of excitation stator laminations cannot be aligned.

[0051] In order to facilitate installation or disassembly of the excitation stator lamination or the excitation stator core 50, in the embodiment, the core blank 21 and the mounting groove 211 are provided with a chamfer 212. Specifically, the chamfer 212 is arranged at the top of the mounting groove 211 and the core blank 21. It can be understood that, by arranging the chamfer 212, the excitation stator lamination is facilitated to be sleeved on the core blank 21, or the excitation stator core 50 is facilitated to be taken off from above the core blank 21.

[0052] In the embodiment, the upper riveting column 42 and the lower riveting column 23 are both vulnerable parts, in order to facilitate disassembly and replacement, the upper riveting column 42 is detachably connected with the top plate 41. The lower riveting column 23 is detachably connected with the mounting seat 27. Specifically, in the embodiment, the upper riveting column 42 is connected with the top plate 41 through screw connection. The lower riveting column 23 is connected with the mounting seat 27 through screw connection. Of course, in other embodiments, the upper riveting column 42 and the lower riveting column 23 can also adopt other detachable connection modes, such as clamping, and the like, and the detachable connection mode of the upper riveting column 42 and the lower riveting column 23 is not limited in the utility model.

[0053] Please refer to Figure 7 The second guide column 14 is fixed on the base assembly 10. The second guide hole 411 matched with the second guide column 14 is arranged on the top plate 41. Through arrangement of the second guide column 14 and the second guide hole 411, the movement of the top plate 41 can be guided, and the top plate 41 is prevented from being dislocated.

[0054] Further, the base assembly 10 comprises the base 11 and the pressing plate 12. The sliding groove 13 is arranged on the base 11. Specifically, the mounting seat 27 can slide in the sliding groove 13. The two pressing plates 12 are respectively fixed on the top of the two side walls of the sliding groove 13 and extend into the sliding groove 13. It can be understood that the end of the pressing plate 12 extending into the sliding groove 13 can limit the mounting seat 27, and the mounting seat 27 is prevented from falling off from the sliding groove 13.

[0055] Specifically, in the embodiment, the pressing plate 12 and the base 11 are connected through screws. It can be understood that, by disassembling the pressing plate 12, the mounting seat 27 can be disassembled from the base 11.

[0056] In the embodiment, the oil guide groove 15 is further arranged at the bottom of the sliding groove 13. It can be understood that the oil guide groove 15 is used to fill oil, and can reduce impact and abrasion.

[0057] Optionally, in the embodiment, the direction of the oil guide groove 15 is arranged along the sliding direction of the lower riveting and pressing assembly 20. The number of the oil guide groove 15 is four. In other embodiments, the direction and the number of the oil guide groove 15 can be arranged according to needs, and the utility model does not limit this.

[0058] The riveting and pressing tool 100 provided by the embodiment of the utility model has the following beneficial effects:

[0059] The riveting tool 100 comprises a base assembly 10, a lower riveting assembly 20, a driving assembly 30 and an upper riveting assembly 40. The lower riveting assembly 20 comprises an iron core blank 21, a mounting bottom plate 22, a lower riveting column 23 and a mounting seat 27. The iron core blank 21 is fixed on the mounting seat 27. The mounting bottom plate 22 is sleeved on the iron core blank 21. An elastic member 24 is connected between the mounting bottom plate 22 and the mounting seat 27. The lower riveting column 23 is fixed on the mounting seat 27. The lower riveting column 23 can pass through the mounting bottom plate 22. The mounting seat 27 is slidingly connected with the base assembly 10. A riveting piece is sleeved on the iron core blank 21 and abuts against the mounting bottom plate 22. The driving assembly 30 is arranged on the base assembly 10 and is used for driving the lower riveting assembly 20 to slide relative to the base assembly 10. The upper riveting assembly 40 is arranged on the base assembly 10. The upper riveting assembly 40 comprises a top plate 41 and an upper riveting column 42. The upper riveting column 42 is fixed on the top plate 41. The upper riveting column 42 is used for fixing a rivet 51. When the riveting assembly is directly below, the upper riveting column 42 is arranged opposite to the lower riveting column 23, and the top plate 41 can move up and down to drive the upper riveting column 42 to move close to the lower riveting column 23 to complete riveting. By arranging the iron core blank 21, the riveting piece is sleeved on the iron core blank 21 during work, riveting of the riveting piece is realized by pressing of the upper riveting assembly 40 and the lower riveting assembly 20, the situation that the pressing degrees of two ends of the riveting piece are different when the riveting piece is fixed by screws is avoided, the stability of the overall structure is improved, and the consistency of riveting products is improved. By arranging the sliding connection between the lower riveting assembly 20 and the base assembly 10, the lower riveting assembly 20 can slide out below the upper riveting assembly 40, the riveting piece is convenient for workers to install, and the operation is simple. The assembly is driven by the driving assembly 30, manual operation is not needed, and production effect is improved.

[0060] The above merely illustrates the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which shall be covered within the protection scope of the present application.

Claims

1. A riveting tool (100) characterized by, The utility model relates to a riveting device, including: Base assembly (10); Lower riveting assembly (20), the lower riviting assembly (20) includes iron core embryo (21), installation bottom plate (22), lower riveting column (23) and mounting seat (27), the iron core embryo (21) is fixed on the mounting seat (27), the installation bottom plate (22) is set on the iron core embryo (21), the installation bottom plate (22) is connected with the mounting seat (27) between elastic member (24), the lower riveting column (23) is fixed on the mounting seat (27), the lower riveting column (23) can pass through the installation bottom plate (22), the mounting seat (27) is slidably connected with the base assembly (10), riveting piece is set on the iron core embryo (21) and is in abutment with the installation bottom plate (22); Driving assembly (30), the driving assembly (30) is set up on the base assembly (10), and the driving assembly (30) is used to drive the lower riveting assembly (20) relative sliding of base assembly (10); Upper riveting assembly (40), the upper riveting assembly (40) is set up on the base assembly (10), and the upper riveting assembly (40) includes top plate (41) and upper riveting column (42), the upper riveting column (42) is fixed on the top plate (41), and the upper riveting column (42) is used to fix rivet (51), when the lower riveting assembly (20) moves to the upper riveting assembly (40) directly below, the upper riveting column (42) is oppositely arranged with the lower riveting column (23), the top plate (41) can move up and down to drive the upper riveting column (42) moves close to the lower riveting column (23) and moves to complete riveting.

2. The swaging tool (100) according to claim 1, characterized in that The lower riveting assembly (20) further includes a first guide column (25) fixed on the mounting seat (27), and a first guide hole (221) is formed in the installation bottom plate (22) and matched with the first guide column (25).

3. The swaging tool (100) of claim 1, wherein, The lower riveting assembly (20) further includes a limiting screw (26) installed on the mounting seat (27), and the limiting screw (26) is arranged on the upper surface of the mounting seat (27) and used for limiting the installation bottom plate (22).

4. The swaging tool (100) according to claim 3, characterized in that The length of the limiting screw (26) extending out of the upper surface of the mounting seat (27) is adjustable.

5. The swaging tool (100) of claim 1, wherein, The upper riveting assembly (40) further includes a mounting groove (211) arranged on the side surface of the iron core embryo (21), and the mounting groove (211) is used for limiting the relative rotation of the riveting piece and the iron core embryo (21).

6. The swaging tool (100) according to claim 5, characterized in that The iron core embryo (21) and the mounting groove (211) are both provided with chamfers (212).

7. The swaging tool (100) of claim 1, wherein, The upper riveting column (42) is detachably connected with the top plate (41), and the lower riveting column (23) is detachably connected with the mounting seat (27).

8. The swaging tool (100) of claim 1, wherein, A second guide column (14) is fixed on the base assembly (10), and a second guide hole (411) is formed in the top plate (41) and matched with the second guide column (14).

9. The swaging tool (100) of claim 1, wherein, The base assembly (10) comprises a base (11) and pressing plates (12), the base (11) is provided with a sliding groove (13), and two pressing plates (12) are respectively fixed to the top of the side walls of the two sides of the sliding groove (13) and extend into the sliding groove (13).

10. The swaging tool (100) according to claim 9, characterized in that An oil guide groove is arranged at the bottom of the sliding groove (13).

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