CN213341934U

CN213341934U - Rotor crimping mould

Info

Publication number: CN213341934U
Application number: CN202021858824.XU
Authority: CN
Inventors: 吴广俊
Original assignee: Jiangsu Guanyu Motor Technology Co ltd
Current assignee: Jiangsu Guanyu Motor Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-01
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a rotor crimping mould, including the last mould subassembly and the lower mould subassembly of mutually supporting, go up the mould subassembly and include last mould roof, go up mould fixing base and last mould, the lower mould subassembly includes lower mould bottom plate, lower mould fixing base, lower mould, pivot locating lever and iron core positioning seat, is connected through guide pillar guide pin bushing subassembly between lower mould bottom plate and the last mould roof; the iron core is arranged on the iron core positioning seat, and four first springs are uniformly distributed between the iron core positioning seat and the step of the lower die fixing seat along the circumferential direction of the iron core positioning seat; the lower end of the rotating shaft is inserted into the lower die from the iron core and then is arranged on the rotating shaft positioning rod, when the lower die assembly and the upper die assembly are assembled, the upper end of the rotating shaft is inserted into the upper die, and the upper die and the lower die are matched to realize that the rotating shaft and the rotor are fixed in extrusion casting. The utility model discloses simple structure, it is convenient to connect, can realize the fixed purpose of iron core and pivot crimping.

Description

Rotor crimping mould

Technical Field

The utility model relates to a crimping mould, more specifically say, relate to a rotor crimping mould.

Background

The rotor is the core components and parts in the motor, in the manufacturing process of motor, has a rotor crimping process, is to press the pivot into the iron core of rotor, and current a connection method, usual step is: the method has the disadvantages that when the rotating shaft is aligned with the iron core shaft hole, careful operation is needed, otherwise the rotating shaft is not coaxial, and the crimping quality is influenced. Therefore, in order to solve the above problems, it is urgently needed to develop a rotor crimping mold with fast crimping.

Disclosure of Invention

1. Technical problem to be solved by the utility model

An object of the utility model is to overcome foretell not enough, provide a rotor crimping mould, adopt the technical scheme of the utility model, simple structure, it is convenient to connect, can realize the fixed purpose with iron core and pivot crimping.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a rotor crimping die, including the upper die assembly and the lower die assembly that cooperate with each other, the upper die assembly include the upper die roof, go up mould fixing base and last mould, the upper die fixing base set firmly on the lower surface of upper die roof; the fixing part of the upper die is inserted into a first mounting hole formed on the lower surface of the upper die fixing seat, and the fastening bolt on the upper die fixing seat is screwed into the first mounting hole along the radial direction and then abuts against the fixing part of the upper die; the upper die is provided with a first through hole for the insertion of the rotating shaft, and the bottom wall of the first mounting hole on the upper die fixing seat is provided with a second through hole for the insertion of the rotating shaft;

the lower die assembly comprises a lower die bottom plate, a lower die fixing seat, a lower die, a rotating shaft positioning rod and an iron core positioning seat, and the lower die bottom plate is connected with the upper die top plate through a guide pillar and guide sleeve assembly; after the rotating shaft positioning rod is arranged on the lower die base plate, the lower die fixing seat is sleeved outside the rotating shaft positioning rod and is fixed on the lower die base plate; the lower die is arranged in a second mounting hole formed by the inner concave surface of the upper surface of the lower die fixing seat, and the top of the rotating shaft positioning rod is inserted into a third through hole formed in the lower die; an iron core positioning seat is sleeved outside the lower die fixing seat, four first spring mounting grooves are uniformly distributed on the lower surface of the iron core positioning seat along the circumferential direction of the iron core positioning seat, and each first spring mounting groove is provided with a first spring; the upper end of the first spring is abutted against the bottom wall of the first spring mounting groove, and the lower end of the first spring is abutted against the step of the lower die fixing seat; and a third mounting hole for placing the iron core is formed in the inner concave surface of the upper surface of the iron core positioning seat.

Furthermore, four fourth through holes are uniformly distributed on the iron core positioning seat along the circumferential direction of the iron core positioning seat, and an elastic supporting component is arranged in each fourth through hole; the elastic support assembly sequentially comprises a support column, a second spring and a connecting bolt from top to bottom, the support part of the support column can penetrate through the fourth through hole in a vertically sliding mode, and the limiting part of the support column is limited in the fourth through hole; the upper end of the second spring is propped against the limiting part of the supporting column, and the lower end of the second spring is propped against the connecting bolt screwed into the fourth through hole.

Furthermore, the steps of the lower die fixing seat are connected with the lower die bottom plate in a mode that a positioning pin fixedly arranged on the lower die bottom plate is inserted into the positioning hole.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

(1) the utility model discloses a rotor crimping mould, its simple structure, it is convenient to connect, the third through-hole that the pivot lower extreme was seted up from the last mould is inserted earlier and is placed on the pivot locating lever during rotor crimping, the iron core cover is established outside the pivot and is placed in the third mounting hole of seting up on the iron core positioning seat, then control mould assembly and lower mould subassembly compound die, the pivot upper end is inserted the second through-hole from the first through-hole, the last mould extrudees the silicon steel sheet after acting on the last silicon steel face of iron core, make the shaft hole upper end of iron core bite the pivot by the extrusion throat, and the lower mould extrudees the silicon steel sheet after acting on the lower silicon steel face of iron core, make the shaft hole lower extreme of iron core bite the pivot by the extrusion throat, and then realize that iron core;

(2) the utility model discloses a rotor crimping mould, there are four first spring mounting grooves along its circumference equipartition on the lower surface of its iron core positioning seat, every spring mounting groove all sets up the spring, the upper end of spring supports on the diapire of spring mounting groove, the lower extreme of spring supports on the step of lower mould fixing base, like this the spring can play the effect of shock attenuation buffering when upper die assembly and lower mould assembly compound die, and there are four fourth through-holes along its circumference equipartition on the iron core positioning seat, all be provided with the elastic support subassembly in every fourth through-hole, the elastic support subassembly also plays the effect of shock attenuation buffering when upper die assembly and lower mould assembly compound die equally;

(3) the utility model discloses a rotor crimping mould, the mode through setting firmly the locating pin on the lower mould bottom plate between the step of its lower mould fixing base and the lower mould bottom plate and inserting the locating hole is connected, plays the purpose of quick location installation lower mould fixing base.

Drawings

Fig. 1 is a sectional view of a rotor crimping die of the present invention;

fig. 2 is a cross-sectional view of the rotor crimping die of the present invention after assembling the iron core and the rotating shaft;

fig. 3 is a perspective view of the rotor crimping mold of the present invention.

The reference numerals in the schematic drawings illustrate: 1. an upper die top plate; 2. an upper die fixing seat; 2-1, a second through hole; 3. an upper die; 3-1, a first through hole; 4. fastening a bolt; 5. a lower die base plate; 6. a lower die fixing seat; 7. a lower die; 7-1, a third through hole; 8. a rotating shaft positioning rod; 9. an iron core positioning seat; 9-1 and a third mounting hole; 10. a first spring; 11. a support pillar; 12. a second spring; 13. A connecting bolt; 14. positioning pins; 15. a guide post; 16. a guide sleeve; A. a rotating shaft; B. and (3) an iron core.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

Examples

With reference to fig. 1, 2 and 3, the rotor crimping mold of the present embodiment includes an upper mold assembly and a lower mold assembly that are matched with each other, the upper mold assembly includes an upper mold top plate 1, an upper mold fixing seat 2 and an upper mold 3, the upper mold fixing seat 2 is fixedly disposed on a lower surface of the upper mold top plate 1; the fixing part of the upper die 3 is inserted into a first mounting hole formed on the lower surface of the upper die fixing seat 2, and after the fastening bolt 4 on the upper die fixing seat 2 is screwed into the first mounting hole along the radial direction, the fastening bolt 4 abuts against the fixing part of the upper die 3; the upper die 3 is provided with a first through hole 3-1 for the insertion of the rotating shaft A, and the bottom wall of the first mounting hole on the upper die fixing seat 2 is provided with a second through hole 2-1 for the insertion of the rotating shaft A;

the lower die assembly comprises a lower die bottom plate 5, a lower die fixing seat 6, a lower die 7, a rotating shaft positioning rod 8 and an iron core positioning seat 9, the lower die bottom plate 5 is connected with the upper die top plate 1 through a guide pillar and guide sleeve assembly, and the guide pillar and guide sleeve assembly comprises two guide pillars 15 fixedly arranged on the lower die bottom plate 5 and two guide sleeves 16 fixedly arranged on the upper die top plate 1; after the rotating shaft positioning rod 8 is arranged on the lower die base plate 5, the lower die fixing seat 6 is sleeved outside the rotating shaft positioning rod 8, and the lower die fixing seat 6 is fixed on the lower die base plate 5, in the embodiment, the step of the lower die fixing seat 6 is connected with the lower die base plate 5 in a mode that the positioning pin 14 fixedly arranged on the lower die base plate 5 is inserted into the positioning hole, so that the purpose of quickly positioning and installing the lower die fixing seat is achieved; the lower die 7 is arranged in a second mounting hole formed in the upper surface of the lower die fixing seat 6 in a concave manner, and the top of the rotating shaft positioning rod 8 is inserted into a third through hole 7-1 formed in the lower die 7; an iron core positioning seat 9 is sleeved outside the lower die fixing seat 6, four first spring mounting grooves are uniformly distributed on the lower surface of the iron core positioning seat 9 along the circumferential direction of the iron core positioning seat, and each first spring mounting groove is provided with a first spring 10; the upper end of the first spring 10 is abutted against the bottom wall of the first spring mounting groove, and the lower end of the first spring 10 is abutted against the step of the lower die fixing seat 6, so that the spring can play a role in damping and buffering when the upper die assembly and the lower die assembly are assembled; a third mounting hole 9-1 for placing an iron core B is formed in the inner concave surface of the upper surface of the iron core positioning seat 9; the structure is simple, the connection is convenient, when the rotor is pressed, the lower end of the rotating shaft is inserted into a third through hole formed in the upper die and is placed on the rotating shaft positioning rod, the iron core is sleeved outside the rotating shaft and is placed in a third mounting hole formed in the iron core positioning seat, then the upper die assembly and the lower die assembly are controlled to be assembled, the upper end of the rotating shaft is inserted into the second through hole from the first through hole, the upper die acts on the upper silicon steel surface of the iron core and then extrudes the silicon steel sheet, the upper end of the shaft hole of the iron core is tightly engaged with the rotating shaft through the extrusion necking, and the lower die acts on the lower silicon steel surface of the iron core and then extrudes the silicon steel sheet, so that the lower;

in order to further achieve the purpose of shock absorption and buffering, four fourth through holes are uniformly distributed on the iron core positioning seat 9 along the circumferential direction of the iron core positioning seat, and an elastic supporting component is arranged in each fourth through hole; the elastic support assembly sequentially comprises a support column 11, a second spring 12 and a connecting bolt 13 from top to bottom, a support part of the support column 11 can penetrate through the fourth through hole in a vertically sliding mode, and a limiting part of the support column 11 is limited in the fourth through hole; the upper end of the second spring 12 is abutted against the limiting part of the support column 11, and the lower end of the second spring 12 is abutted against the connecting bolt 13 screwed into the fourth through hole.

The utility model discloses a rotor crimping mould, simple structure, it is convenient to connect, can realize the fixed purpose with iron core and pivot crimping.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a rotor crimping mould, includes the last mould subassembly and the lower mould subassembly of mutually supporting, its characterized in that: the upper die assembly comprises an upper die top plate (1), an upper die fixing seat (2) and an upper die (3), wherein the upper die fixing seat (2) is fixedly arranged on the lower surface of the upper die top plate (1); the fixing part of the upper die (3) is inserted into a first mounting hole formed in the lower surface of the upper die fixing seat (2), and after the fastening bolt (4) on the upper die fixing seat (2) is screwed into the first mounting hole along the radial direction, the fastening bolt (4) abuts against the fixing part of the upper die (3); the upper die (3) is provided with a first through hole (3-1) for the insertion of the rotating shaft (A), and the bottom wall of the first mounting hole on the upper die fixing seat (2) is provided with a second through hole (2-1) for the insertion of the rotating shaft (A);

the lower die assembly comprises a lower die bottom plate (5), a lower die fixing seat (6), a lower die (7), a rotating shaft positioning rod (8) and an iron core positioning seat (9), and the lower die bottom plate (5) is connected with the upper die top plate (1) through a guide pillar and guide sleeve assembly; after the rotating shaft positioning rod (8) is arranged on the lower die bottom plate (5), the lower die fixing seat (6) is sleeved outside the rotating shaft positioning rod (8) and the lower die fixing seat (6) is fixed on the lower die bottom plate (5); the lower die (7) is arranged in a second mounting hole formed in the upper surface of the lower die fixing seat (6) in a concave manner, and the top of the rotating shaft positioning rod (8) is inserted into a third through hole (7-1) formed in the lower die (7); an iron core positioning seat (9) is sleeved outside the lower die fixing seat (6), four first spring mounting grooves are uniformly distributed on the lower surface of the iron core positioning seat (9) along the circumferential direction of the iron core positioning seat, and each first spring mounting groove is provided with a first spring (10); the upper end of the first spring (10) abuts against the bottom wall of the first spring mounting groove, and the lower end of the first spring (10) abuts against the step of the lower die fixing seat (6); and a third mounting hole (9-1) for placing the iron core (B) is formed in the inner concave surface of the upper surface of the iron core positioning seat (9).

2. A rotor crimping die as claimed in claim 1, wherein: four fourth through holes are uniformly distributed on the iron core positioning seat (9) along the circumferential direction of the iron core positioning seat, and an elastic supporting component is arranged in each fourth through hole; the elastic support assembly sequentially comprises a support column (11), a second spring (12) and a connecting bolt (13) from top to bottom, a support part of the support column (11) can penetrate through the fourth through hole in a vertically sliding mode, and a limiting part of the support column (11) is limited in the fourth through hole; the upper end of the second spring (12) is propped against the limiting part of the supporting column (11), and the lower end of the second spring (12) is propped against a connecting bolt (13) screwed into the fourth through hole.

3. A rotor crimping die as claimed in claim 1, wherein: the steps of the lower die fixing seat (6) are connected with the lower die bottom plate (5) in a mode that a positioning pin (14) fixedly arranged on the lower die bottom plate (5) is inserted into the positioning hole.