CN213701377U

CN213701377U - Stator and rotor integrated forming die

Info

Publication number: CN213701377U
Application number: CN202022301485.1U
Authority: CN
Inventors: 刘腾腾; 刘行行
Original assignee: Suzhou Alto Electromechanical Co ltd
Current assignee: Suzhou Alto Electromechanical Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-16
Anticipated expiration: 2030-10-15

Abstract

The utility model relates to a decide rotor integrated into one piece mould, it includes die table and lower die table, go up die table and the relative setting of lower die table, the die holder has set firmly on the lower die table, the stator drift has set firmly on the die holder, the rotor dashing groove has been seted up on the stator drift, the tank bottom of stator dashing groove has set firmly a connecting axle drift, be equipped with the upper die base on the die table, be equipped with stator dashing groove, rotor drift and connecting axle dashing groove on the upper die base respectively with stator drift, on the position that rotor dashing groove and connecting axle drift are relative. This application has through setting up crisscross closed stator drift and stator towards groove, rotor drift and rotor towards groove, connecting axle drift and connecting axle towards groove at last die table and lower die table, makes the punching machine with stator flower piece, rotor flower piece separation in a stroke to punch a hole to rotor flower piece central authorities connecting axle position, promoted the efficiency of blanking processing, reduced because the effect of the machining error of repeated positioning production.

Description

Stator and rotor integrated forming die

Technical Field

The application relates to the field of motor stator and rotor processing, in particular to a stator and rotor integrated forming die.

Background

At present, a stator and a rotor are two indispensable important components in a motor, the fixed part in the motor is called as the stator, and a pair of DC excitation static main magnetic poles are arranged on the stator; the rotating part is called an armature core, an armature winding is arranged on the rotating part, and after the rotating part is electrified, induced electromotive force is generated to serve as a rotating magnetic field. During the manufacturing process of the stator and the rotor, a plurality of stator segments and rotor segments are usually laminated and attached together to form the stator and the rotor.

In the related technology, the stator flower sheets and the rotor flower sheets are both manufactured by stamping, and because the outer contours of the stator and the rotor are complementary, the stator flower sheets and the rotor flower sheets are generally linearly pushed by sheet materials on a stamping production line, and the stator, the rotor and the connecting shaft holes are sequentially stamped and formed by stamping for a plurality of times, and finally, the separation of the stator flower sheets, the rotor flower sheets and the residual sheet materials is realized.

In view of the above-mentioned related art, the inventor believes that the stator and rotor segments are processed and punched for a plurality of times, which is inefficient and prone to positioning deviation.

SUMMERY OF THE UTILITY MODEL

In order to improve the defect that the efficiency is lower and produce positioning deviation easily through punching press many times, this application provides a decide rotor integrated into one piece mould.

The application provides a decide rotor integrated into one piece mould adopts following technical scheme:

the utility model provides a decide rotor integrated into one piece mould, includes upper die table and lower die table, upper die table and lower die table set up relatively, the die holder has set firmly on the lower die table, the stator drift has set firmly on the die holder, has seted up the rotor towards the groove on the stator drift, the tank bottom in stator towards the groove has set firmly a connecting axle drift, the upper die bench is equipped with the upper die base, be equipped with stator towards groove, rotor drift and connecting axle towards the groove on the upper die base respectively with stator drift, rotor towards the groove and connecting axle drift relative position.

By adopting the technical scheme, the stator punch and the punching groove, the rotor punch and the punching groove, and the connecting shaft punch and the punching groove are arranged in a staggered manner on the upper die base and the lower die base, so that the stator pattern piece, the rotor pattern piece and the connecting shaft hole are separated simultaneously in one-time punching process, the possibility of deviation generated by repeated positioning is reduced, and the punching processing efficiency is improved.

Preferably, a plurality of mechanism holes have been seted up to the tank bottom of rotor notching, the mechanism is downthehole to slide along the axis direction has the fore-set, be equipped with between fore-set and the mechanism hole bottom and support tight spring, each the one end that the fore-set kept away from the mechanism hole bottom all stretches out the mechanism hole and is connected with the rotor pressure disk jointly.

By adopting the technical scheme, because the rotor pressure plate is arranged, when the rotor punch punches the sheet material, the rotor pressure plate is firstly pushed by the abutting spring, and the sheet material is clamped by the rotor pressure plate and the rotor punch before punching, so that the possibility that the sheet material shifts at the cutting position on the sheet material due to the play at the stage of just starting punching and the utilization rate of raw materials is reduced.

Preferably, a plurality of guide posts are fixedly arranged on the lower die table, and guide sleeves are arranged on the upper die table at positions opposite to the guide posts.

By adopting the technical scheme, the precision of the blanking movement of the upper die base and the lower die base is improved by the matching of the guide columns and the guide sleeves, and the cutting precision is further improved.

Preferably, the guide post top cover is equipped with the cushion collar, be equipped with buffer spring between cushion collar and the lower die stage, the cushion collar and guide sleeve looks adaptation.

Through adopting above-mentioned technical scheme, owing to set up buffer spring and cushion collar, replace the guide post by the cushion collar and directly cooperate with the sleeve, at the in-process that the upper die platform pushed down, the cushion collar embolias the cushion collar, and the cushion collar cover moves along the direction of guide post on the guide post, when having guaranteed the motion precision, has absorbed the vibrations that the device cut the production through buffer spring, has reduced the influence that vibrations caused cutting precision.

Preferably, the buffer sleeve is provided with a plurality of air holes.

Through adopting above-mentioned technical scheme, through setting up a plurality of bleeder vents, when the cushion collar has received the extrusion of uide bushing and when moving down along the guide post, in order to prevent the gas in the cushion collar and hinder the possibility that the cushion collar is pressed, set up the bleeder vent on the cushion collar, the air escape and the entering of being convenient for.

Preferably, a plurality of electromagnets are embedded in the upper die base.

By adopting the technical scheme, after the upper die table and the lower die table are matched to punch the workpiece, punched stator pattern sheets and rotor pattern sheet communication connecting shafts are sucked up together through the electromagnets, and the device convenient to transport the stator pattern sheets, the rotor pattern sheets and the punched waste materials together from the punching machine through the material receiving mechanism.

Preferably, the connecting shaft notching is provided with a blanking hole at the bottom, a blanking column slides in the blanking hole, the blanking hole penetrates through the upper die base, the blanking column extends out from one end of the blanking hole far away from the connecting shaft notching, a limiting groove is arranged in the blanking hole, the limiting groove is parallel to the axis of the blanking hole, and a limiting block is arranged on the side wall of the blanking column and extends into the limiting groove.

Through adopting above-mentioned technical scheme, through setting up the blanking post, when the extrusion cuts each other of upper die table and lower die table, the blanking post is pushed to the one side of keeping away from the lower die table, when the lower die table was kept away from to the upper die table, unloader promoted the blanking post in the punching press, made the blanking post be close to and extrude the material to the one side that is close to the lower die table, dropped the material separation from the upper die base, the device of being convenient for was together transported away the stator card of separation, rotor card and the waste material that punches a hole through unloading mechanism.

Preferably, two mounting holes are formed in the circumferential side wall of the blanking column, electrodes which are electrically connected with each other are arranged in the mounting holes, two power connection grooves are formed in the inner side wall of the blanking hole, moving contacts are connected in the power connection grooves in a sliding mode, one of the moving contacts is communicated with a mains supply, the other moving contact is electrically connected with an electromagnet, the sliding direction between the moving contacts and the power connection grooves is perpendicular to the axis of the mounting holes, a reset spring is arranged between the moving contacts and the groove wall of the power connection grooves, which is far away from the notch, and the moving contacts and the electrodes are arranged oppositely.

Through adopting above-mentioned technical scheme, through seting up and connect the electricity groove, when the unloading post by to keeping away from the orientation of lower mould platform after promoting, connect the electricity groove and align with the moving contact, the moving contact stretches out and contradicts with the electrode under reset spring's effect, make electro-magnet and commercial power intercommunication and begin work, rise as the upper die base, when unloader promoted the action of unloading post in the punching press, the moving contact separates with connecting the electricity groove, electro-magnet and commercial power disconnection stop work, make the material separation, the opening of circuit control electro-magnet has been replaced through mechanical structure stops, the reliability of device work has been promoted.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stator punching head and the stator punching groove, the rotor punching head and the rotor punching groove, the connecting shaft punching head and the connecting shaft punching groove which are closed in a staggered mode are arranged on the upper die table and the lower die table, so that the stator flower sheets and the rotor flower sheets are separated by the punching machine in one stroke, the position of the central connecting shaft of the rotor flower sheets is punched, the punching processing efficiency is improved, and the processing error caused by repeated positioning is reduced;

2. the shock of the device during blanking is absorbed by arranging the buffer sleeve and the buffer spring, so that the blanking precision is further improved;

3. through the arrangement of the electromagnet and the electromagnet start-stop switch of the mechanical structure, the stability of the electromagnet and the blanking column in pushing blanking action matching is improved, and the working reliability of the device is improved.

Drawings

Fig. 1 is a schematic diagram for showing the overall structure of the device according to the embodiment of the present application.

FIG. 2 is a sectional view of the lower die holder for showing the internal structure of the lower die holder according to the embodiment of the application.

Fig. 3 is a schematic structural diagram for embodying the upper die holder according to the embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of an upper mold base for embodying a blanking column and related structures according to an embodiment of the present application.

Fig. 5 is an enlarged schematic view of a portion a of fig. 4.

Fig. 6 is a schematic diagram for showing a position structure of a limiting groove and a limiting block in the embodiment of the application.

Fig. 7 is an enlarged structural view of a portion B in fig. 6.

Description of reference numerals: 1. feeding a die table; 11. an upper die holder; 111. punching a slot on the stator; 112. a rotor punch; 113. connecting shaft notching; 2. a lower die table; 21. a lower die holder; 211. a stator punch; 212. punching a groove on the rotor; 213. connecting a shaft punch; 3. a mechanism hole; 31. a top pillar; 32. the spring is tightly propped; 33. a rotor pressure plate; 4. a guide post; 41. a guide sleeve; 42. a buffer sleeve; 421. a buffer spring; 422. air holes are formed; 5. an electromagnet; 6. a blanking hole; 61. a limiting groove; 62. an electric connection groove; 621. a moving contact; 622. a return spring; 7. blanking the column; 71. a limiting block; 72. mounting holes; 721. and an electrode.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses decide rotor integrated into one piece mould. Referring to fig. 1, decide rotor integrated into one piece mould and include last mould platform 1, lower mould platform 2, set firmly guide post 4 on the lower mould platform 2, the cover is equipped with buffer sleeve 42 on the 4 top of guide post, the cover is equipped with buffer spring 421 on the guide post 4, buffer spring 421 one end and the other end of buffer sleeve 42 fixed connection and lower mould platform 2 fixed connection, the position relative with guide post 4 on the last mould platform 1 has set firmly the uide bushing, uide bushing internal diameter and buffer sleeve 42 external diameter looks adaptation. An upper die base 11 is fixedly arranged on the upper die table 1, and a lower die base 21 is fixedly arranged on the lower die table 2.

Referring to fig. 1 and 2, the lower die holder 21 is sequentially provided with a stator punch 211, a rotor punching groove 212 and a connecting shaft punch 213 from outside to inside, the bottom of the rotor punching groove 212 is provided with a plurality of mechanism holes 3 which are uniformly distributed along the circumferential direction of the axis of the lower die holder 21, the mechanism holes 3 are internally provided with ejection posts 31 in a sliding manner, the ejection posts 31 are fixedly connected with abutting springs 32 with the bottoms of the mechanism holes 3, and one end of each ejection post 31, which is far away from the bottoms of the mechanism holes 3, is commonly connected with a rotor pressure plate 33. The top post 31 is provided with an assembly hole, the assembly hole penetrates through the assembly hole along the axis position of the top post 31, the assembly hole is internally and threadedly connected with a screw, and the threaded end of the screw extends out of the assembly hole and is in threaded connection with the rotor pressure plate 33. The bottom of the mechanism hole 3 is provided with a connecting hole for mounting a screw, thereby connecting the rotor pressure plate 33 with each of the top posts 31.

Referring to fig. 3, the stator punch groove 111, the rotor punch 112 and the connecting shaft punch groove 113 are respectively formed at positions of the upper die holder 11 opposite to the respective structures of the lower die holder 21. When the upper die holder 11 and the lower die holder 21 are abutted and closed, the abutting planes of the stator punch 211 and the stator punching groove 111 are staggered with the abutting planes of the rotor punch 112 and the rotor pressure plate 33, and the abutting planes of the rotor punch 112 and the rotor pressure plate 33 are staggered with the connecting shaft punch 213 and the connecting shaft punching groove 113, so that the rotor disc, the stator disc and the connecting shaft punching waste are separated from each other in a single punching process, and the condition that the precision is influenced by a positioning error caused by repeated positioning of multiple times of punching is avoided.

Referring to fig. 4 and 5, a plurality of electromagnets 5 are embedded in the upper die holder 11, and the electromagnets 5 are uniformly distributed on the upper die holder 11 with the axis of the upper die table 1 as the center of a circle. The bottom of the connecting shaft notching 113 is provided with a blanking hole 6, the blanking hole 6 penetrates through the upper die base 11, a blanking column 7 slides in the blanking hole 6, and the blanking column 7 penetrates out from one side of the upper die base 1 far away from the lower die base 2. Two mounting holes 72 are oppositely arranged on the circumferential side wall of the blanking column 7, electrodes 721 are fixedly arranged in the two mounting holes 72, and the two electrodes 721 are electrically connected with each other. The hole wall of the blanking hole 6 is provided with an electricity connecting groove 62 opposite to the two mounting holes 72, a moving contact 621 slides in the electricity connecting groove 62 along the direction vertical to the axis of the blanking hole 6, a reset spring 622 is arranged between the moving contact 621 and the groove wall of the electricity connecting groove 62 far away from the mounting holes 72, one of the moving contact 621 is communicated with the mains supply, and the other moving contact 621 is electrically connected with the electromagnet 5. When the two moving contacts 621 respectively abut against the electrode 721 in the power receiving slot 62, the electromagnet 5 is connected to the commercial power and starts to operate, and when the moving contacts 621 are separated from the electrode 721, the electromagnet 5 is disconnected from the commercial power and stops operating.

Referring to fig. 6 and 7, the upper die holder 1 is provided with a limiting groove 61 on the inner wall of the mounting hole 72, the blanking column 7 is provided with a limiting block 71, and the limiting block 71 extends into the limiting groove 61. When the upper die holder 11 and the lower die holder 21 are closed, the blanking column 7 is pushed to the direction far away from the connecting shaft punch 213 by the connecting shaft punch 213, at this time, the mounting hole 72 is aligned with the connecting electric slot 62, the movable contact 621 is abutted to the electrode 721 under the action of the return spring 622, the electromagnet 5 is electrified to start working, the stator segment, the rotor segment and the punching waste of the connecting shaft hole which are respectively punched are adsorbed and pulled up together in the process of resetting the upper die holder 11, after the upper die holder 11 is lifted, the blanking device of the punching machine impacts one end of the blanking column 7 far away from the lower die holder 21, so that the mounting hole 72 is dislocated with the connecting electric slot 62, the movable contact 621 is separated from the return spring 622, the electromagnet 5 stops attracting, and at the same time, the blanking column 7 extends out from one end of the blanking hole 6 close to the lower die holder 21 to push.

The implementation principle of a stator and rotor integrated molding mould of the embodiment of the application is as follows: when the upper die table 1 and the lower die table 2 are close to each other for blanking, the stator punch 211 and the stator punching groove 111, the rotor punch 112 and the rotor punching groove 212, and the connecting shaft punch 213 and the connecting shaft punching groove 113, which are arranged with the closed surfaces staggered with each other, are used for blanking raw materials, and the rotor flower sheets, the stator flower sheets and connecting shaft hole waste materials are separated simultaneously after one-time punching, so that the punching efficiency is improved, and the positioning error caused by repeated positioning is avoided.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a decide rotor integrated into one piece mould which characterized in that: including last platen (1) and lower platen (2), it sets up relatively to go up platen (1) and lower platen (2), set firmly die holder (21) on lower platen (2), stator drift (211) have set firmly on die holder (21), rotor towards groove (212) have been seted up on stator drift (211), upward be equipped with upper die base (11) on platen (1), be equipped with stator towards groove (111), rotor drift (112) and connecting axle towards groove (113) on upper die base (11) and stator drift (211), rotor towards groove (212) and connecting axle drift (213) the relative position respectively, the tank bottom of stator towards groove (111) has set firmly one connecting axle drift (213).

2. The stator-rotor integrated molding die according to claim 1, wherein: a plurality of mechanism holes (3) have been seted up to the tank bottom of rotor notching (212), it has fore-set (31) to slide along the axis direction in mechanism hole (3), be equipped with between fore-set (31) and mechanism hole (3) hole bottom and support tight spring (32), each the one end that mechanism hole (3) hole bottom was kept away from in fore-set (31) all stretches out mechanism hole (3) and is connected with rotor pressure disk (33) jointly.

3. The stator-rotor integrated molding die according to claim 1, wherein: a plurality of guide posts (4) are fixedly arranged on the lower die table (2), and guide sleeves (41) are arranged on the upper die table (1) at positions opposite to the guide posts (4).

4. The stator-rotor integrated molding die according to claim 3, wherein: guide post (4) top cover is equipped with buffer sleeve (42), be equipped with buffer spring (421) between buffer sleeve (42) and lower die stage (2), buffer sleeve (42) and guide sleeve (41) looks adaptation.

5. The stator-rotor integrated molding die according to claim 4, wherein: the buffer sleeve (42) is provided with a plurality of air holes (422).

6. The stator-rotor integrated molding die according to claim 1, wherein: a plurality of electromagnets (5) are embedded in the upper die base (11).

7. The stator-rotor integrated molding die according to claim 6, wherein: blanking hole (6) have been seted up to the tank bottom department of connecting axle die slot (113), it has blanking post (7) to slide in blanking hole (6), blanking hole (6) run through upper die base (11), blanking post (7) are followed blanking hole (6) and are kept away from the one end of connecting axle die slot (113) and stretch out, be equipped with spacing groove (61) in blanking hole (6), spacing groove (61) are on a parallel with blanking hole (6) axis setting, be equipped with stopper (71) on the lateral wall of blanking post (7), stopper (71) stretch into in spacing groove (61).

8. The stator-rotor integrated molding die according to claim 7, wherein: two mounting holes (72) are formed in the circumferential side wall of the blanking column (7), electrodes (721) which are electrically connected with each other are arranged in the mounting holes (72), two electricity connecting grooves (62) are formed in the inner side wall of the blanking hole (6), two moving contacts (621) are connected in the electricity connecting grooves (62) in a sliding mode, one of the moving contacts (621) is communicated with a mains supply, the other moving contact (621) is electrically connected with an electromagnet (5), the sliding direction between the moving contacts (621) and the electricity connecting grooves (62) is perpendicular to the axis of the mounting holes (72), a reset spring (622) is arranged between the moving contacts (621) and the groove wall, far away from the notch, of the electricity connecting grooves (62), and the moving contacts (621) and the electrodes (721) are arranged oppositely.