CN116213577A

CN116213577A - Stator and rotor punching servo swing stamping die machine

Info

Publication number: CN116213577A
Application number: CN202211093951.9A
Authority: CN
Inventors: 金爱民; 王锦波; 王啸; 傅立斌
Original assignee: Anhui Feixiang Electrical Appliance Co ltd
Current assignee: Anhui Feixiang Electrical Appliance Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-06-06

Abstract

The invention relates to the technical field of motor production, and discloses a stator and rotor punching servo swing stamping machine which comprises a hydraulic cylinder, a reciprocating executing mechanism, a movable die, a fixed die and a feeding mechanism; the feeding mechanism can adjust the position of the raw material in the time interval of the two stamping actions of the movable die, and move the non-stamped part of the raw material into the stamping area for continuous stamping. The invention performs stamping by adopting the same stamping position during the production of the stator and the rotor, and the movable die performs stamping by only reciprocating motion, so that the position adjustment of raw materials is not involved, the stamping position of the movable die can be kept accurate each time, the belt-shaped raw materials and the annular raw materials are respectively fed and subjected to stamping position adjustment by the swinging feeding component and the rotating feeding component, the concentricity of the inner circle and the outer circle of the stator and the rotor generated after stamping and the concentricity and the position degree of the groove shape are ensured, the precision of the produced product is ensured while the rapid and stable stamping is ensured, and the high quality requirement of the stepping motor is met.

Description

Stator and rotor punching servo swing stamping die machine

Technical Field

The invention relates to the technical field of motor production, in particular to a stator and rotor punching servo swing die stamping machine.

Background

The traditional iron core manufacturing method is to punch stator and rotor punching sheets by a common die, manufacture the iron core by the technical processes of aligning sheets, riveting by rivets, buckling sheets or argon arc welding, and the like, and manually twist the rotor iron core of the alternating current motor to form a chute, wherein the production of the stepping motor requires uniform magnetic property and thickness direction of the stator and rotor iron core, and the stator iron core and the rotor iron core punching sheets respectively require rotation by a certain angle.

The existing stator and rotor stamping machine has the defects that iron cores are automatically overlapped and riveted, rotors are provided with skew and overlapped and riveted, and stamping steps of large-angle rotation and overlapped and riveted are completed on different stations, concentricity of inner and outer circles of a stator and a rotor and concentricity position of a groove shape are difficult to ensure, so that stator and rotor stamping precision of a processing part is lower, and the high precision requirement of a stepping motor is difficult to be met.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a stator and rotor punching servo swing stamping machine which has the advantages of high processing speed, high processing precision of the same station and the like, and solves the problems that the concentricity of the inner circle and the outer circle of a stator and a rotor and the concentricity position of a groove shape are poor and are difficult to meet the high precision requirement of a stepping motor.

(II) technical scheme

In order to solve the technical problems that the concentricity of the inner circle and the outer circle of the stator and the rotor and the concentricity position degree of the groove shape are poor and are difficult to meet the high-precision requirement of the stepping motor, the invention provides the following technical scheme: a stator and rotor punching servo swing die stamping machine comprises a hydraulic cylinder, a reciprocating executing mechanism, a movable die, a fixed die and a feeding mechanism; the movable end of the reciprocating actuating mechanism is fixedly arranged between the movable end of the reciprocating actuating mechanism and the movable die, the hydraulic cylinder provides reciprocating motion power for the movable end of the reciprocating actuating mechanism, and the movable die reciprocates to enable the movable die and the fixed die to be continuously clamped and separated, so that a stamping effect is generated on raw materials in a stamping area during clamping; the feeding mechanism is provided with two execution modes, and the two execution modes can adjust the position of the raw material in the time gap of the two stamping actions of the movable die, and move the non-stamped part of the raw material into the stamping area for continuous stamping.

Preferably, the first execution mode of the feeding mechanism is to execute feeding by swinging the feeding assembly by using the strip raw material; the swing feeding assembly can gradually push the non-punched part of the strip-shaped raw material to the punching area in a time gap of two punching actions, and can swing and adjust the punching position of the strip-shaped raw material on the strip-shaped raw material, perform dislocation punching on the strip-shaped raw material and fully utilize the strip-shaped raw material.

Preferably, the second execution mode of the feeding mechanism is to use annular raw materials to execute feeding through a rotary feeding assembly; the rotary feeding assembly comprises a single-piece feeding unit and a rotary unit, wherein the single-piece feeding unit can send annular raw materials into the punching area one by one, and the rotary unit can drive the fixed die to rotate in a time gap of two punching actions so as to gradually rotate an un-punched part of the annular raw materials to the punching area.

Preferably, the swinging feeding assembly comprises an uncoiler and two swinging clamping pieces, the two swinging clamping pieces are respectively arranged at a feeding end and a discharging end of the strip-shaped raw material, the two swinging clamping pieces respectively clamp the strip-shaped raw material, and the strip-shaped raw material can be driven by the uncoiler to be intermittently fed along the feeding direction; the swing clamping piece can clamp the strip-shaped raw material to swing along the direction perpendicular to the feeding direction, and the swing clamping piece and the uncoiler work together to swing and send the strip-shaped raw material into the punching area.

Preferably, the swing clamp includes a clamp unit capable of clamping the strip-shaped raw material, and a swing unit capable of driving the clamp unit to swing the strip-shaped raw material in a direction perpendicular to the feeding direction.

Preferably, the clamping unit comprises a bidirectional driving rod and two sliding clamps, the sliding clamps are in threaded fit with the bidirectional driving rod, the bidirectional driving rod is driven by a clamping motor to rotate, and the two sliding clamps can approach each other along with the rotation of the bidirectional driving rod; the sliding clamp comprises a roller, the roller can rotate when clamping the strip-shaped raw materials, and the strip-shaped raw materials can continuously move along the feeding direction.

Preferably, the swinging unit comprises a servo motor, a driving screw and a linkage piece, wherein the driving screw is in threaded fit with the linkage piece, and the servo motor provides power to drive the driving screw to rotate so as to drive the linkage piece to swing along the direction perpendicular to the feeding direction; the two-way driving rod can rotate under the limit of the linkage piece, and the clamping motor is fixed on the linkage piece.

Preferably, the top end of the rotating unit is fixedly arranged between the fixed die and the fixed die, and the rotating unit can drive the fixed die to rotate; the single-piece feeding unit comprises a separator and a conveyor belt, wherein the separator is used for conveying annular raw materials to the conveyor belt one by one, and the annular raw materials are conveyed to the inside of the fixed die through the conveyor belt.

Preferably, the rotating unit comprises a mounting plate, a plurality of lifting rods and a rotating motor, wherein the rotating motor drives the mounting plate to intermittently rotate by driving the lifting rods; the surface of the mounting plate is provided with a mounting groove, the mounting groove is used for mounting the fixed die, and the fixed die can synchronously and intermittently rotate along with the mounting plate; the lifting rod can lift, a stamped annular raw material is poured into the conveying belt from the mounting groove, and the conveying belt can output the stamped annular raw material.

(III) beneficial effects

Compared with the prior art, the invention provides a stator and rotor punching servo swing die stamping machine, which has the following beneficial effects:

1. this kind of stator and rotor punching servo swing stamping die machine, through adopting same punching press position to punch when producing stator and rotor, and the movable mould only is reciprocating motion and punches, do not involve the position adjustment to the raw materials, make the movable mould punching press position homoenergetic at every turn keep accurate, carry out feed and punching press position adjustment to banded raw materials and cyclic annular raw materials respectively through swing feeding subassembly and rotatory feeding subassembly, the concentricity of the interior excircle of stator and rotor that produces after the assurance punching press and the concentricity and the position degree of flute profile, in order to guarantee the machining precision of stator and rotor that the punching press produced, in the quick stable punching press, the product precision of guarantee output, with step motor's high quality requirement.

2. This kind of stator and rotor punching servo swing stamping die machine, when punching press banded raw materials at every turn, constantly carry out swing feeding to banded raw materials through swing feeding subassembly for the movable mould carries out symmetrical shearing to the inboard edge of the double disk of banded raw materials, shortens the centre of a circle, reduces the material area width by a wide margin, and arranges the cutting line along raw materials advancing direction offset simultaneously, further shortens the centre of a circle, adopts the zero clearance stock layout between two products of vertical single row simultaneously, and the overlap at the material area side is extremely small to be arranged, further improves material utilization.

3. This kind of stator and rotor punching servo swing die machine, after the banding raw materials is stabilized the centre gripping, through to servo motor input control signal, can control whole clamping unit and carry out along the swing of perpendicular to feed direction, thereby make the combined action of two swing holders, swing banded raw materials according to the processing demand in the course of delivery, so that the banding raw materials that is in punching press position accords with the demand of processing, and can follow the continuous of punching press operation, swing feeding to banded raw materials, the adjustment is located the raw materials position of punching press position, remove the punching press part of raw materials to the punching press region in, carry out continuous punching press, when guaranteeing the punching press precision, further improve material utilization.

4. This kind of stator and rotor punching servo swing die stamping machine, the centre gripping unit includes two-way actuating lever and two slip clamps, equal screw thread fit between slip clamp and the two-way actuating lever, and two slip clamps can be close each other along with the rotation of two-way actuating lever by the drive of centre gripping motor to can adapt to the banded raw materials of different width, and through the setting of gyro wheel, when banded raw materials removes along the direction of feed, the gyro wheel can be when rotating the transportation that does not influence banded raw materials, stable centre gripping banded raw materials.

5. The stator and rotor punching sheet servo swing stamping machine is characterized in that when annular raw materials are processed, the annular raw materials are conveyed to a stamping area through a rotary feeding assembly, the annular raw materials are gradually rotated in a gap between two times of stamping through the rotary feeding assembly, so that the annular raw materials are continuously stamped, and concentricity and position of each groove shape of the produced stator sheet are maintained, so that stamping accuracy of the stator sheet is ensured.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;

FIG. 4 is a second schematic diagram of the internal structure of the present invention;

FIG. 5 is a second perspective view of the present invention;

FIG. 6 is a schematic perspective view of the swing clamp of the present invention;

FIG. 7 is a schematic perspective view of a clamping unit according to the present invention;

FIG. 8 is an enlarged view of portion B of FIG. 7 in accordance with the present invention;

FIG. 9 is a second perspective view of the clamping unit of the present invention;

FIG. 10 is a schematic perspective view of a rotary unit according to the present invention;

FIG. 11 is a second perspective view of the rotary unit of the present invention;

fig. 12 is a schematic drawing of the punched dimensions of the strip stock of the present invention.

In the figure: 1. a hydraulic cylinder; 2. a reciprocating actuator; 3. a movable mold; 4. a fixed mold; 5. swinging the feeding assembly; 51. swinging the clamping piece; 511. a clamping unit; 5111. a bi-directional drive rod; 5112. a slide clamp; 51121. a roller; 5113. clamping the motor; 512. a swing unit; 5121. a servo motor; 5122. driving a screw; 5123. a linkage member; 6. rotating the feed assembly; 61. a single sheet feeding unit; 611. a conveyor belt; 62. a rotating unit; 621. a mounting plate; 622. a lifting rod; 623. a rotating electric machine; 624. and a mounting groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As described in the background art, the prior art has the defects, and in order to solve the technical problems, the application provides a stator and rotor punching servo swing die stamping machine.

Referring to fig. 1-4, a stator and rotor punching servo swing die stamping machine comprises a hydraulic cylinder 1, a reciprocating executing mechanism 2, a movable die 3, a fixed die 4 and a feeding mechanism; the movable end of the reciprocating actuating mechanism 2 is fixedly arranged between the movable end of the movable die 3, the hydraulic cylinder 1 provides reciprocating motion power for the movable end of the reciprocating actuating mechanism 2, and the movable die 3 reciprocates to enable the movable die 3 and the fixed die 4 to be continuously clamped and separated, so that a stamping effect is generated on raw materials in a stamping area during clamping; the feeding mechanism has two execution modes, and the two execution modes can adjust the position of the raw material in the time gap of the two stamping actions of the movable die 3, and move the non-stamped part of the raw material into the stamping area for continuous stamping.

The first execution mode of the feeding mechanism is to use the strip raw material to execute feeding by swinging the feeding assembly 5; the swinging feeding assembly 5 can gradually push the non-punched part of the strip-shaped raw material to the punching area in the time gap of the two punching actions, and the swinging feeding assembly 5 can swing and adjust the punching position of the strip-shaped raw material on the strip-shaped raw material, so that the strip-shaped raw material is subjected to dislocation punching, and the strip-shaped raw material is fully utilized.

The second execution mode of the feeding mechanism is to use annular raw materials to execute feeding through the rotary feeding assembly 6; the rotary feed assembly 6 includes a single sheet feeding unit 61 and a rotating unit 62, the single sheet feeding unit 61 being capable of feeding the annular raw material one by one into the punching area, the rotating unit 62 being capable of driving the stationary mold 4 to rotate in a time gap of two punching actions, and gradually rotating the non-punched portion of the annular raw material to the punching area.

When the automatic punching machine is used, different raw materials are fed through a feeding mechanism according to different products (two types of stators and rotors) to be produced, when the rotors are required to be produced, the raw materials are gradually fed to a region between a movable die 3 and a fixed die 4 through a swinging feeding assembly 5 by using a first execution mode and the strip raw materials, the movable end of a reciprocating actuating mechanism 2 is provided with reciprocating motion power through a hydraulic cylinder 1, so that the movable die 3 reciprocates towards the fixed die 4 to punch the raw materials in a punching region, the swinging feeding assembly 5 continuously performs swinging feeding on the strip raw materials every time the strip raw materials are punched, the movable die 3 symmetrically cuts the inner edges of double rows of circular sheets of the strip raw materials, the center distance is shortened, the strip width of the strip raw materials is greatly reduced, meanwhile, the cutting lines are staggered in the advancing direction of the raw materials (refer to fig. 12), the center distance is further shortened, meanwhile, gapless strip discharging is adopted between two products in a longitudinal single row, and the utilization rate of the materials is further improved;

when the stator is required to be produced, using a second execution mode and annular raw materials, conveying the annular raw materials to a punching area through a rotary feeding assembly 6, gradually rotating the annular raw materials through the rotary feeding assembly 6 in a gap between two times of punching to continuously punch the annular raw materials, and maintaining concentricity and position of each groove shape of the produced stator sheet to ensure punching accuracy of the stator sheet;

the stator and the rotor are punched at the same punching position during production, and the movable die 3 only performs reciprocating motion for punching, so that the position adjustment of raw materials is not involved, the movable die 3 can keep accurate at each punching position, the belt-shaped raw materials and the annular raw materials are fed and punched through the swing feeding assembly 5 and the rotary feeding assembly 6 respectively, the concentricity of the inner circle and the outer circle of the stator and the rotor generated after punching and the concentricity and the position degree of a groove shape are ensured, the machining precision of the stator and the rotor generated by punching is ensured, the precision of the produced product is ensured while the punching is fast and stably performed, and the high quality requirement of the stepping motor is met.

Further, referring to fig. 5-9, the swing feeding assembly 5 includes an uncoiler, two swing clamping members 51, the two swing clamping members 51 are respectively arranged at a feeding end and a discharging end of the strip-shaped raw material, the two swing clamping members 51 respectively clamp the strip-shaped raw material, and the strip-shaped raw material can be driven by the uncoiler to intermittently feed along a feeding direction; the swing clamp 51 can clamp the strip-shaped raw material to swing in a direction perpendicular to the feeding direction, and the swing clamp 51 and the uncoiler work together to swing and feed the strip-shaped raw material into the punching area.

The swing clamp 51 includes a clamp unit 511 and a swing unit 512, the clamp unit 511 being capable of clamping the strip-shaped raw material, the swing unit 512 being capable of driving the clamp unit 511 to swing the strip-shaped raw material in a direction perpendicular to the feeding direction.

The clamping unit 511 includes a bi-directional driving rod 5111 and two sliding clamps 5112, wherein the sliding clamps 5112 are in threaded fit with the bi-directional driving rod 5111, the bi-directional driving rod 5111 is driven to rotate by a clamping motor 5113, and the two sliding clamps 5112 can approach each other along with the rotation of the bi-directional driving rod 5111; the slide clamp 5112 includes a roller 51121, and the roller 51121 can rotate while clamping the strip material, and the strip material can continue to move in the feeding direction.

The swinging unit 512 comprises a servo motor 5121, a driving screw 5122 and a linkage 5123, wherein the driving screw 5122 is in threaded fit with the linkage 5123, and the servo motor 5121 provides power to drive the driving screw 5122 to rotate so as to drive the linkage 5123 to swing along the direction perpendicular to the feeding direction; the linkage 5123 restricts the positional movement of the bi-directional driving rod 5111, and the bi-directional driving rod 5111 can be rotated under the restriction of the linkage 5123, and the clamp motor 5113 is fixed to the linkage 5123.

When the first execution mode is executed, that is, when the rotor is produced, the strip-shaped raw material is processed, firstly, the strip-shaped raw material is conveyed through an uncoiler (the uncoiler is a common uncoiler in the prior art in the embodiment, the intermittent uncoiling setting of the uncoiler is also a common means in the prior art, and is not repeated here), in the conveying direction of the strip-shaped raw material, the movement of the strip-shaped raw material is controlled by the uncoiler, the strip-shaped raw material passes through two swinging clamping pieces 51, the clamping units 511 of the two swinging clamping pieces 51 clamp the strip-shaped raw material at the same time, that is, the bidirectional driving rod 5111 is driven to rotate by the clamping motor 5113, the two sliding clamps 5112 approach each other from the maximum distance along with the rotation of the bidirectional driving rod 5111 until the strip-shaped raw material is clamped through the two rollers 51121 of each swinging clamping piece 51, the strip-shaped raw material can be stably clamped by the plurality of rollers 51121, and the strip-shaped raw material can be stably clamped through the arrangement of the rollers 51121 when the strip-shaped raw material moves along the feeding direction;

after the strip-shaped raw material is stably clamped, the driving screw 5122 is driven by the servo motor 5121 of the swinging unit 512 to rotate, so that the linkage member 5123 can drive the corresponding clamping unit 511 to move along the axial direction (namely, the direction perpendicular to the feeding direction) of the driving screw 5122, and thus, by inputting a control signal to the servo motor 5121, the whole clamping unit 511 can be controlled to swing along the direction perpendicular to the feeding direction, so that the two swinging clamping members 51 can work together, the strip-shaped raw material swings in the conveying process according to the processing requirement, so that the strip-shaped raw material at the punching position meets the processing requirement, the strip-shaped raw material can swing and feed along with the continuous punching operation, the raw material position at the punching position is adjusted, the non-punched part of the raw material is moved into the punching area to perform continuous punching, and the material utilization rate is further improved while the punching precision is ensured.

Further, referring to fig. 10 to 11, the top end of the rotating unit 62 is fixedly installed between the fixed mold 4, and the rotating unit 62 can drive the fixed mold 4 to rotate; the single-sheet feeding unit 61 includes a separator for feeding the annular raw materials one by one onto the conveyor 611, and a conveyor 611 for feeding the annular raw materials inside the stationary mold 4 via the conveyor 611.

The rotating unit 62 includes a mounting plate 621, a plurality of lifting rods 622, and a rotating motor 623, the rotating motor 623 driving the mounting plate 621 to intermittently rotate by driving the plurality of lifting rods 622; the surface of the mounting plate 621 is provided with a mounting groove 624, the mounting groove 624 is used for mounting a fixed die 4, and the fixed die 4 can synchronously and intermittently rotate along with the mounting plate 621; the lifting rod 622 can lift and tilt one punched annular raw material from the installation groove 624 to the conveyor 611, and the conveyor 611 can output the punched annular raw material.

When the second execution mode is executed, namely, the stator is produced, when the annular raw materials are processed, a plurality of annular raw materials to be processed are firstly placed in the separator (in this embodiment, the separator is a structure of common separated raw materials, the raw materials can be separated in a gravity and single output mode, which is a common scheme in the prior art, and not described in detail herein), the annular raw materials are sent to the conveying belt 611 one by one through the separator at regular time (the time is the time of processing one annular raw material and outputting the annular raw material), the annular raw materials are sent to the inside of the fixed die 4 through the conveying belt 611, and the annular raw materials are continuously conveyed to the inside of the fixed die 4 because the fixed die 4 is fixed in the mounting groove 624 formed in the upper surface of the mounting plate 621, so that the annular raw materials are rotated in each punching gap of the movable die 3 through the rotating motor 623, the annular raw materials positioned at the punching position are continuously adjusted through the rotating fixed die 4 and the inside of the fixed die 4 according to the processing requirement, the annular raw materials are continuously carried out along with the punching operation, the annular raw materials are continuously rotated, the annular raw materials are continuously punched and the annular raw materials are conveyed to the conveying belt 611 to the position after the annular raw materials are continuously, and the annular raw materials are continuously conveyed to the conveying belt 611, and the annular raw materials are punched and are conveyed to one side by one side after the plurality of the mounting plates are matched to the mounting plate 611, and the stator is punched, and the stator is completely.

Working principle: when in use, different raw materials are fed into the feeding mechanism according to different products (two types of stators and rotors) to be produced, and corresponding execution modes of the feeding mechanism are selected.

When the rotor needs to be produced, the first execution mode and the strip-shaped raw material are used, the strip-shaped raw material is firstly conveyed through the uncoiler, the movement of the strip-shaped raw material is controlled by the uncoiler in the conveying direction of the strip-shaped raw material, the strip-shaped raw material passes through the two swing clamping pieces 51, the clamping units 511 of the two swing clamping pieces 51 clamp the strip-shaped raw material simultaneously, namely, the bidirectional driving rod 5111 is driven by the clamping motor 5113 to rotate, the two sliding clamps 5112 are mutually close to each other from the maximum distance along with the rotation of the bidirectional driving rod 5111 until the strip-shaped raw material is clamped through the two rollers 51121 of each swing clamping piece 51, and the strip-shaped raw material can be stably clamped by the plurality of rollers 51121 through the arrangement of the rollers 51121;

gradually conveying the strip-shaped raw materials to an area between the movable die 3 and the fixed die 4 through the swinging feeding assembly 5, providing reciprocating motion power of the movable end of the reciprocating actuating mechanism 2 through the hydraulic cylinder 1, enabling the movable die 3 to reciprocate towards the fixed die 4 to punch the raw materials in the punching area, driving the driving screw 5122 to rotate through driving of the servo motor 5121 of the swinging unit 512 according to the processing requirement of the rotor, enabling the linkage 5123 to drive the corresponding clamping unit 511 to move along the axial direction (namely, the direction perpendicular to the feeding direction) of the driving screw 5122, and at the moment, through the arrangement of the roller 51121, when the strip-shaped raw materials move along the feeding direction, the roller 51121 can stably clamp the strip-shaped raw materials while rotating so as not to influence the conveying of the strip-shaped raw materials;

by inputting a control signal to the servo motor 5121, the whole clamping unit 511 can be controlled to swing along the direction perpendicular to the feeding direction, so that the two swing clamping pieces 51 perform the combined action, the strip-shaped raw materials swing in the conveying process according to the processing requirement, so that the strip-shaped raw materials at the punching position meet the processing requirement and can be continuously processed along with the punching operation, the strip-shaped raw materials are subjected to swing feeding, the raw material positions at the punching position are adjusted, the non-punched parts of the raw materials are moved into the punching area for continuous punching, and the material utilization rate is further improved while the punching precision is ensured;

therefore, when the strip-shaped raw materials are punched each time, the swing feeding assembly 5 continuously performs swing feeding on the strip-shaped raw materials, so that the movable die 3 symmetrically cuts the inner edges of double rows of circular sheets of the strip-shaped raw materials, the center distance of the circle is shortened, the width of the material strip is greatly reduced, meanwhile, the cutting lines are arranged in a staggered manner along the advancing direction of the raw materials (refer to fig. 12), the center distance of the circle is further shortened, meanwhile, gapless layout is adopted between two products in a longitudinal single row, the overlapping edges of the side edges of the material strip are extremely small, and the material utilization rate is further improved.

When the stator is required to be produced, a plurality of annular raw materials to be processed are firstly placed in a separator when the annular raw materials are processed by using a second execution mode and the annular raw materials, the annular raw materials are sent to a conveyor belt 611 one by one at regular time through the separator, the annular raw materials are sent to a fixed die 4 through the conveyor belt 611, and the annular raw materials are gradually rotated through a rotary feeding assembly 6 in a gap between two punching steps;

because the fixed die is fixed in the mounting groove 624 formed on the upper surface of the mounting plate 621, when the annular raw material is processed, the annular raw material is arranged in the fixed die 4, the mounting plate 621 and the fixed die 4 are driven to rotate by the rotating motor 623 in each punching gap of the movable die 3, so that the annular raw material in the fixed die 4 and the fixed die 4 is continuously rotated and adjusted to be positioned at the punching position along with the continuous punching operation according to the processing requirements, the annular raw material is continuously punched, after the annular raw material is punched, one side of the mounting plate 621, far from the conveying belt 611, is lifted by the cooperation of the lifting rods 622, the processed stator piece is poured onto the conveying belt 611, the punched annular raw material is output by the conveying belt 611, the processing of one stator piece is completed, and the concentricity and the position of each groove shape of the generated stator piece are maintained by continuously punching the annular raw material, so that the punching accuracy of the stator piece is ensured;

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stator and rotor punching servo swing die stamping machine is characterized in that: comprises a hydraulic cylinder (1), a reciprocating actuating mechanism (2), a movable die (3), a fixed die (4) and a feeding mechanism;

the movable end of the reciprocating actuating mechanism (2) is fixedly arranged between the movable end of the movable die (3), the hydraulic cylinder (1) provides reciprocating motion power for the movable end of the reciprocating actuating mechanism (2), and the movable die (3) reciprocates to enable the movable die (3) and the fixed die (4) to be continuously clamped and separated, so that a stamping effect is generated on raw materials in a stamping area during clamping;

the feeding mechanism is provided with two execution modes, and the two execution modes can adjust the position of the raw material in the time gap of the two stamping actions of the movable die (3), and move the non-stamped part of the raw material into the stamping area for continuous stamping.

2. The stator and rotor punching servo swing die stamping machine as claimed in claim 1, wherein: the first execution mode of the feeding mechanism is to use the strip raw material to execute feeding through the swinging feeding assembly (5);

the swinging feeding assembly (5) can gradually push the non-punched part of the strip-shaped raw material to the punching area in the time gap of the two punching actions, and the swinging feeding assembly (5) can swing and adjust the punching position of the strip-shaped raw material on the strip-shaped raw material, so that the strip-shaped raw material is punched in a dislocation mode, and the strip-shaped raw material is fully utilized.

3. The stator and rotor punching servo swing die stamping machine as claimed in claim 1, wherein: the second execution mode of the feeding mechanism is to use annular raw materials and execute feeding through a rotary feeding assembly (6);

the rotary feeding assembly (6) comprises a single-piece feeding unit (61) and a rotary unit (62), wherein the single-piece feeding unit (61) can send annular raw materials into a punching area one by one, and the rotary unit (62) can drive the fixed die (4) to rotate in a time gap of two punching actions so as to gradually rotate an un-punched part of the annular raw materials to the punching area.

4. The stator and rotor punching servo swing die stamping machine as claimed in claim 2, wherein: the swinging feeding assembly (5) comprises an uncoiler and two swinging clamping pieces (51), the two swinging clamping pieces (51) are respectively arranged at a feeding end and a discharging end of the strip-shaped raw material, the two swinging clamping pieces (51) respectively clamp the strip-shaped raw material, and the strip-shaped raw material can be driven by the uncoiler to be intermittently fed along the feeding direction;

the swinging clamping piece (51) can clamp the strip-shaped raw material to swing along the direction perpendicular to the feeding direction, and the swinging clamping piece (51) and the uncoiler work together to swing and send the strip-shaped raw material into the punching area.

5. The stator and rotor punching servo swing die stamping machine as claimed in claim 1, wherein: the swing clamping piece (51) comprises a clamping unit (511) and a swing unit (512), wherein the clamping unit (511) can clamp the strip-shaped raw material, and the swing unit (512) can drive the clamping unit (511) to swing the strip-shaped raw material along the direction perpendicular to the feeding direction.

6. The stator and rotor punching servo swing die stamping machine as claimed in claim 5, wherein: the clamping unit (511) comprises a bidirectional driving rod (5111) and two sliding clamps (5112), the sliding clamps (5112) are in threaded fit with the bidirectional driving rod (5111), the bidirectional driving rod (5111) is driven by a clamping motor (5113) to rotate, and the two sliding clamps (5112) can approach each other along with the rotation of the bidirectional driving rod (5111);

the slide clamp (5112) comprises a roller (51121), and the roller (51121) can rotate when clamping the strip-shaped raw material, and the strip-shaped raw material can continuously move along the feeding direction.

7. The stator and rotor punching servo swing die stamping machine as claimed in claim 6, wherein: the swinging unit (512) comprises a servo motor (5121), a driving screw (5122) and a linkage piece (5123), wherein the driving screw (5122) is in threaded fit with the linkage piece (5123), and the servo motor (5121) provides power to drive the driving screw (5122) to rotate so as to drive the linkage piece (5123) to swing along the direction perpendicular to the feeding direction;

the linkage (5123) limits the position movement of the bidirectional driving rod (5111), the bidirectional driving rod (5111) can rotate under the limit of the linkage (5123), and the clamping motor (5113) is fixed on the linkage (5123).

8. A stator and rotor punching servo swing die machine as claimed in claim 3, wherein: the top end of the rotating unit (62) is fixedly arranged between the fixed die (4), and the rotating unit (62) can drive the fixed die (4) to rotate;

the single-piece feeding unit (61) comprises a separator and a conveying belt (611), wherein the separator is used for conveying annular raw materials onto the conveying belt (611) one by one, and the annular raw materials are conveyed into the fixed die (4) through the conveying belt (611).

9. The stator and rotor punching servo swing die machine as claimed in claim 8, wherein: the rotating unit (62) comprises a mounting plate (621), a plurality of lifting rods (622) and a rotating motor (623), wherein the rotating motor (623) drives the mounting plate (621) to intermittently rotate by driving the lifting rods (622);

the surface of the mounting plate (621) is provided with a mounting groove (624), the mounting groove (624) is used for mounting the fixed die (4), and the fixed die (4) can synchronously and intermittently rotate along with the mounting plate (621);

the lifting rod (622) can lift, one punched annular raw material is poured into the conveying belt (611) from the mounting groove (624), and the conveying belt (611) can output the punched annular raw material.