CN217257857U - Injection molding production line for motor rotor - Google Patents

Abstract

The utility model relates to an electric motor rotor injection moulding line. It includes magnetic path loading attachment, central iron core loading attachment, outer iron core loading attachment, transports the robot, push-in device and injection mold, the utility model discloses a magnetic path loading attachment, central iron core loading attachment, outer iron core loading attachment, transport the robot, push-in device and injection mold have realized magnetic path loading, central iron core loading, outer iron core loading, shift, the groove of moulding plastics of impressing, work such as injection moulding, the utility model discloses an utilize at injection mold outside and lead the template and go on pre-installation to a plurality of magnetic paths or a plurality of outer iron core or a plurality of central iron core, after pre-installation, transport again on the injection mold and impress and mould plastics, consequently, the utility model discloses can adorn rotor spare part on one side, mould plastics out the rotor on one side, consequently the utility model discloses a production efficiency is high, degree of automation is high. The utility model discloses a plurality of magnetic paths or a plurality of outer iron core can once only impress, and production efficiency is high.

Description

Injection molding production line for motor rotor

Technical Field

The utility model relates to an electric motor rotor injection moulding line's technical field, in particular to electric motor rotor injection moulding line.

Background

A conventional rotor for an electric motor, such as the rotor disclosed in chinese patent No. CN201910920214.3 on 26/03/2021, comprises: the rotor core comprises a shaft ring part and a plurality of fan-shaped parts arranged around the shaft ring part at intervals, and an accommodating groove is formed between every two adjacent fan-shaped parts to form a plurality of accommodating grooves; and each magnetic block is embedded in one accommodating groove. The plastic coating part coats the magnetic block and the rotor iron core; above-mentioned rotor is in assembly production process, and the workman is manual to impress a plurality of rotor core one by one injection mold's circular groove of moulding plastics, later impresses the magnetic path one by one in above-mentioned holding tank, and sector and circular groove of moulding plastics closely cooperate, and sector closely cooperate, and the magnetic path closely cooperate with the holding tank. The magnetic block, the outer iron core and the central iron core of the existing motor rotor are assembled together in a manual assembly mode, the magnetic block, the outer iron core and the central iron core are tightly matched, and workers are very difficult to manually press the iron core and the magnetic block into the magnetic block, so that the production efficiency of the existing motor rotor injection molding production line is low, the labor intensity of the workers is high, and the automation degree is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first utility model aims at providing an electric motor rotor injection production line that production efficiency is high.

The utility model discloses a first utility model purpose is realized like this:

an injection molding production line for a motor rotor comprises a magnetic block feeding device, a central iron core feeding device, an outer iron core feeding device, a transfer robot, a pressing-in device and an injection mold.

The transfer robot is used for carrying the magnetic block installation guide template between the magnetic block feeding device and the injection mold, carrying the central iron core installation guide template between the central iron core feeding device and the injection mold, and carrying the outer iron core installation guide template between the outer iron core feeding device and the injection mold.

The magnetic block feeding device is detachably provided with a magnetic block installation guide template, a plurality of magnetic block guide dies are arranged on the magnetic block installation guide template, and the magnetic block feeding device is used for installing a plurality of magnetic blocks on the outer iron core guide dies.

The outer iron core loading attachment is gone up to dismantle and is provided with outer iron core installation and leads the template, be equipped with a plurality of outer iron core direction moulds on the template is led in the outer iron core installation, outer iron core loading attachment is used for installing the outer iron core of polylith on outer iron core direction mould.

The central iron core feeding device is detachably provided with a central iron core installation guide template, a plurality of outer iron core guide dies are arranged on the central iron core installation guide template, and the central iron core feeding device is used for installing a central iron core on the outer iron core guide dies.

The injection mold is provided with an injection molding groove and is used for injection molding a plurality of outer iron cores, a plurality of magnetic blocks and a central iron core in the injection molding groove.

The pressing device is used for pressing a plurality of outer iron cores on the outer iron core guide mold into the injection molding groove at the same time, pressing a central iron core on the central iron core guide mold into the injection molding groove, and pressing a plurality of magnetic blocks on the magnetic block guide mold into the injection molding groove at the same time.

As a more specific technical solution of the present invention.

The pressing-in device comprises a support frame, a lifting motor, a transposition air cylinder, a lifting seat and a plurality of lifting rotating shafts, the lifting seat is arranged on the support frame in a vertically sliding manner, and is positioned below the lifting motor, the lifting motor is arranged on the supporting frame and drives the lifting seat to lift, the lifting rotating shafts are vertically arranged on the lifting seat, the lower ends of the lifting rotating shafts are provided with press head seats, the bottom of the press head seat is provided with a plurality of outer press plates and a central press head, the outer press plates are annularly arranged on the press head seat at intervals, the outer pressing plates are positioned at the outer side of the central pressing head, the upper end of the lifting rotating shaft is provided with a synchronous belt wheel, the transposition air cylinder is arranged on the lifting seat, the synchronous belt wheels of the lifting rotating shafts are in transmission connection through a synchronous belt, and a cylinder rod of the transposition cylinder is fixedly connected with the synchronous belt, and the transposition cylinder drives the lifting rotating shafts to synchronously rotate in the same direction through the synchronous belt and the synchronous belt pulley.

Outer iron core loading attachment leads the template including first frame and outer iron core installation, be equipped with outer iron core installation manipulator and the first flitch that carries on in the first frame, outer iron core installation is led the template and can be dismantled and set up in first frame, first year flitch is used for bearing a plurality of outer iron cores, be equipped with a plurality of outer iron core direction moulds on the template is led in the outer iron core installation, outer iron core installation manipulator is used for installing outer iron core on the first year flitch and leads the mould on the outer iron core.

Be equipped with outer iron core mould groove on the outer iron core direction mould, the bottom surface in outer iron core mould groove is equipped with annular equidistant and is provided with a plurality of outer iron core direction passageways, be equipped with first absorption magnetic path in the outer iron core direction passageway, the top in outer iron core direction passageway is equipped with the outer iron core chamfer of packing into that is convenient for outer iron core direction passageway, outer iron core direction passageway link up the bottom surface in outer iron core mould groove and the lower surface of outer iron core direction mould, the bottom surface center in outer iron core mould groove is equipped with first center and dodges the hole. The utility model discloses utilize the magnetic force of first absorption magnetic path to fix outer iron core in outer iron core direction passageway, the template is led in the installation of outer iron core when removing, and outer iron core can not drop in following outer iron core direction passageway. When the pressure applied to the outer iron core is larger than the magnetic force of the first adsorption magnetic block, the outer iron core is extruded out of the outer iron core guide channel, and the outer iron core is guided by the outer iron core guide channel to be installed in the outer iron core die groove.

The center iron core loading attachment includes that second frame and center iron core installation lead the template, be equipped with center iron core installation manipulator and second in the second frame and carry the flitch, center iron core installation leads the template and can dismantle and set up in the second frame, the second carries the flitch to be used for bearing a plurality of center iron cores, be equipped with a plurality of center iron core direction moulds on the template is led in the center iron core installation, center iron core installation manipulator is used for carrying the center iron core on the flitch with the second and installs outer iron core direction mould on.

The center iron core guiding die is provided with a center iron core die groove, the center of the bottom surface of the center iron core die groove is provided with a center iron core guiding channel, the bottom surface of the center iron core die groove is provided with a plurality of avoiding through holes at equal intervals in an annular shape, the top end of the center iron core guiding channel is provided with a center iron core loading chamfer facilitating the loading of the center iron core into the center iron core guiding channel, and a second adsorption magnetic block is arranged in the center iron core guiding channel. The central iron core guide channel penetrates through the bottom surface of the central iron core mold groove and the lower surface of the central iron core guide mold. The utility model discloses utilize the magnetic force of second absorption magnetic path to fix central iron core in central iron core direction passageway, template when removing is led in the installation of central iron core, and central iron core can not drop from in the central iron core direction passageway.

The magnetic block feeding device comprises a third rack, a magnetic block installation guide template, a magnetic block installation mechanical arm and a magnetic block feeding mechanism, wherein the magnetic block feeding mechanism is arranged on the third rack and used for supplying magnetic blocks so that the magnetic block installation mechanical arm can grab the magnetic blocks.

The magnetic block installing guide die plate is detachably arranged on the rack, a plurality of magnetic block guide dies are arranged on the magnetic block installing guide die plate, magnetic block die grooves are formed in the magnetic block guide dies, a plurality of annular magnetic block guide channels are arranged on the bottom surface of each magnetic block die groove at equal intervals, magnetic block installation chamfers convenient for the magnetic blocks to be installed in the magnetic block guide channels are arranged at the top ends of the magnetic block guide channels, and the magnetic block guide channels penetrate through the bottom surface of each magnetic block die groove and the lower surface of each magnetic block guide die. And an adsorption iron block is arranged in the magnetic block guide channel. Because there is magnetic action between magnetic path and the absorption iron plate, the utility model discloses utilize the absorption iron plate to fix the magnetic path in magnetic path direction passageway, the template is led in the magnetic path installation when removing, and the magnetic path can not drop from the magnetic path direction passageway.

The magnetic block mounting manipulator is arranged on the third rack and used for grabbing the magnetic blocks on the magnetic block feeding mechanism and loading the magnetic blocks into the magnetic block guide channels.

The magnetic block feeding mechanism comprises a magnetic block bracket, a material pushing cylinder, a material pushing slider, a magnetic block rotating motor and a magnetic block rotating bracket, wherein the magnetic block rotating bracket is horizontally and rotatably arranged on a third rack, a plurality of magnetic block supporting grooves are annularly and alternately arranged on the outer side surface of the magnetic block rotating bracket, a vertical magnetic block material placing channel is arranged on the magnetic block rotating bracket, the magnetic block rotating motor is arranged on the third rack and drives the magnetic block rotating bracket to horizontally rotate, the material pushing slider is horizontally and slidably arranged on the third rack, the material pushing cylinder is arranged on the third rack and drives the material pushing slider to horizontally slide, a material pushing plate is arranged on the material pushing slider, a material outlet is formed in the bottom of the magnetic block material placing channel, and the position of the material outlet corresponds to the position of the material pushing plate.

A plurality of magnetic block bracket groups are arranged on the magnetic block rotating bracket along the length direction of the magnetic block rotating bracket, and each magnetic block bracket group comprises a plurality of magnetic block brackets. The magnetic block bracket is composed of a first bracket and a second bracket, the notch of the first bracket is opposite to the notch of the second bracket, the outer ends of the first bracket and the second bracket are opened, a left supporting block and a right supporting block are arranged on the outer side surface of the magnetic block rotating bracket at intervals, and the first bracket and the second bracket are respectively arranged on the left supporting block and the right supporting block.

The utility model has the advantages as follows:

the utility model realizes the full-automatic production of the motor rotor without manually installing rotor parts by respectively realizing the operations of magnetic block feeding, central iron core feeding, outer iron core feeding, transferring, pressing in injection molding grooves, injection molding and the like through the magnetic block feeding device, the central iron core feeding, the outer iron core feeding, the transferring, the pressing in injection molding grooves, the injection molding device and the injection molding die, and can pre-install a plurality of magnetic blocks or a plurality of outer iron cores or a plurality of central iron cores by utilizing a guide template outside the injection molding die, and after the pre-installation, the magnetic blocks or a plurality of outer iron cores or a plurality of central iron cores are pre-installed and then transferred to the injection molding die for pressing and injection molding, the rotor parts of the utility model are pre-installed outside the injection molding die and then are installed on the injection molding die in a guiding way, therefore, the utility model can pre-install the rotor parts while, on one hand, the rotor is injected, therefore, the utility model discloses a production efficiency is high, degree of automation is high.

(two) and, the utility model discloses a lead the template through the difference and fix a position installation polylith magnetic path or polylith outer iron core or central iron core in advance, the top of the direction passageway on every piece leads the template is equipped with the chamfer that the rotor spare part of being convenient for was packed into, consequently, when the rotor spare part inserts the direction passageway, be difficult to take place to interfere with the direction passageway, the installation of rotor spare part on leading the direction passageway on the template is easy, smooth and easy, quick to solved in the past the rotor spare part installation degree of difficulty big with workman intensity of labour height, technical problem that production efficiency is low. In order to further improve production efficiency, the utility model discloses still adopt the mounting manipulator to snatch and pack into a plurality of rotor spare parts, the utility model discloses electric motor rotor's production efficiency has greatly been improved and the full automatization has been realized.

Furthermore, the utility model discloses utilize the magnetic path and the characteristic that the metallic iron attracts mutually, fix rotor spare part in the direction passageway, because the magnetic force effect of magnetic path, the guide plate is when removing, and rotor spare part can not drop from the direction passageway. The utility model has the advantages of reasonable design, both realized the purpose of fixed rotor spare part, the rotor spare part of being convenient for again is extruded the direction passageway.

(IV) moreover, the utility model is used for a plurality of magnetic paths or a plurality of outer iron cores or central iron core on the template of will leading impress the mould bench inslot of moulding plastics simultaneously, the utility model discloses during operation, elevator motor drive lift seat, lift pivot and the pressure head on it descend, and the outer preforming of multi-disc is used for pressing outer iron core and the magnet on the template of leading, and central pressure head is used for pressing the central iron core on the template of leading to the realization is impressed a plurality of iron cores or a plurality of magnet mould bench inslot of moulding plastics. When the utility model discloses a transposition cylinder drive hold-in range motion, hold-in range drive a plurality of lift pivots and syntropy rotation simultaneously and set for the angle to make the outer preforming of multi-disc align with the position of leading a plurality of iron cores on the template, perhaps align with the position of leading a plurality of magnets on the template, thereby make the outer preforming of multi-disc switch into and be used for pressing outer iron core or be used for pressing the magnetic path.

(V) more be, the utility model discloses a magnetic path installation manipulator snatchs the polylith magnetic path that magnetic path feed mechanism provided, then magnetic path installation manipulator inserts the polylith magnetic path in the magnetic path direction passageway of magnetic path installation guide template, the utility model discloses an action such as automatic feed, autoloading, automatic feeding of magnetic path, the utility model discloses an degree of automation is high, need not manual operation, and production efficiency is high.

Drawings

Fig. 1 is the structure schematic diagram of the electric motor rotor injection production line of the utility model.

Fig. 2 is a schematic view of the structure of fig. 1 from another angle.

Fig. 3 is the top view of the electric motor rotor injection molding production line of the utility model.

Fig. 4 is a schematic structural diagram of the outer iron core feeding device of the present invention.

Fig. 5 is a schematic structural diagram of the central iron core feeding device of the present invention.

Fig. 6 is a schematic structural diagram of the magnetic block feeding device of the present invention.

Fig. 7 is a schematic view of the structure of fig. 6 at another angle.

Fig. 8 is an enlarged view at a in fig. 6.

Figure 9 the utility model discloses a magnetic path loading attachment's top view.

Fig. 10 is a cross-sectional view taken at a-a in fig. 9.

Fig. 11 is a schematic structural diagram of the magnetic block mounting die plate (without the magnetic block) of the present invention.

Fig. 12 is a schematic view of the structure of fig. 11 at another angle.

Fig. 13 is a top view of the magnetic block mounting die plate (with magnetic block) of the present invention.

Fig. 14 is an enlarged view at B in fig. 11.

Fig. 15 is a schematic structural view of the central iron core installation guide template of the present invention.

Fig. 16 is a schematic view of the structure of fig. 15 from another angle.

Fig. 17 is a schematic structural view of the central iron core installation guide template (installed with the central iron core).

Fig. 18 is an enlarged view at C in fig. 15.

Fig. 19 is a schematic structural view of the outer core mounting guide plate of the present invention.

Fig. 20 is a schematic view of the structure of fig. 19 from another angle.

Fig. 21 is a schematic structural view of the external iron core installation guide template (installed with an external iron core).

Fig. 22 is an enlarged view at D in fig. 19.

Fig. 23 is a schematic structural view of a press-in device (the timing belt is omitted) according to the present invention.

Fig. 24 is a schematic view of the structure of fig. 23 from another angle.

Fig. 25 is a side view of the press-in device of the present invention.

Fig. 26 is a sectional view at B-B in fig. 25.

Fig. 27 is a bottom view of the press-in device of the electric motor rotor injection molding line of the present invention.

Fig. 28 is an enlarged view at E in fig. 27.

Fig. 29 is a schematic view of a connection structure between the indexing cylinder and a plurality of lifting shafts according to the present invention.

Fig. 30 is a partial plan view of the injection mold of the present invention (the press-in device is omitted).

Fig. 31 is a schematic structural view of the mold table of the present invention.

Fig. 32 is a schematic structural view of the first material carrying plate of the present invention.

Fig. 33 is a schematic structural view of a rotor (plastic part omitted) according to the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In the first embodiment, as shown in fig. 1 to 33, an injection molding production line for a motor rotor includes two magnetic block feeding devices 4 and 40, a central iron core feeding device 2, two outer iron core feeding devices 21 and 22, a transfer robot 3, a press-in device 5, and an injection mold 1.

The magnetic block loading devices 4 and 40 are detachably provided with magnetic block installation guide die plates 9, a plurality of magnetic block guide dies are arranged on the magnetic block installation guide die plates 9, and the magnetic block loading devices 4 and 40 are used for installing a plurality of magnetic blocks on the outer iron core guide dies.

Outer iron core loading attachment 21, can dismantle on 22 and be provided with outer iron core installation guide die plate 8, be equipped with a plurality of outer iron core direction moulds 81 on the outer iron core installation guide die plate, outer iron core loading attachment 21, 22 are used for installing the outer iron core of polylith on outer iron core direction mould 81.

The central iron core feeding device 2 is detachably provided with a central iron core installation guide template 7, the central iron core installation guide template 7 is provided with a plurality of central iron core guide molds 71, and the central iron core feeding device 2 is used for installing a central iron core on the central iron core guide molds 71.

The injection mold 1 is provided with an injection molding groove 11 on the injection mold 1, and the injection mold 1 is used for injection molding a plurality of outer iron cores, a plurality of magnetic blocks and a central iron core in the injection molding groove 11.

The transfer robot 3 is used for carrying magnetic block installation guide templates between the magnetic block feeding devices 4 and 40 and the injection mold 1, carrying central iron core installation guide templates between the central iron core feeding device 2 and the injection mold 1, and carrying outer iron core installation guide templates between the outer iron core feeding devices 21 and 22 and the injection mold 1.

And the pressing-in device 5 is used for simultaneously pressing a plurality of outer iron cores on the outer iron core guide die into the injection molding groove 11, pressing a central iron core on the central iron core guide die into the injection molding groove 11, and simultaneously pressing a plurality of magnetic blocks on the magnetic block guide die into the injection molding groove.

As a more specific technical solution of the present invention.

The injection mold 1 comprises a case 10, a rotating motor (not shown in the figure), a horizontal turntable 12 and three mold tables 14, wherein four injection molding grooves 11 are formed in the top surface of each mold table 14, the rotating motor is arranged in the case 10 and drives the horizontal turntable 12 to rotate, the horizontal turntable 12 is horizontally rotated and arranged at the top of the case 10, the three mold tables 14 are annularly arranged on the horizontal turntable 12 at equal intervals, and the mold tables 14 are provided with four injection molding grooves 11. And a central positioning convex column 15 and a plurality of outer positioning convex columns 13 are arranged in the injection molding groove 11. When the central positioning convex column 15 and the outer positioning convex column 13 are pressed into the injection molding groove, the central positioning convex column 15 and the outer positioning convex column 13 are respectively used for positioning the outer iron core and the central iron core.

The pressing device 5 is arranged on the injection mold 1. The pressing device 5 comprises a supporting frame 51, a lifting motor 52, a transposition air cylinder 53, a lifting seat 54 and a plurality of lifting rotating shafts 55, the supporting frame 51 is arranged at the top of the case 10, the lifting seat 54 is arranged on the supporting frame 51 in a vertically sliding manner and is positioned below the lifting motor 52, the lifting motor 52 is arranged on the supporting frame 51 and drives the lifting seat 54 to lift, the plurality of lifting rotating shafts 55 are vertically arranged on the lifting seat 54, a press head seat 56 is arranged at the lower end of the lifting rotating shafts 55, the press head seat 56 is positioned right above the die table 14, a plurality of outer pressing sheets 57 and a central press head 58 are arranged at the bottom of the press head seat 56, the plurality of outer pressing sheets 57 are annularly arranged on the press head seat 56 at intervals, the plurality of outer pressing sheets 57 are positioned outside the central press head 58, a synchronous belt wheel 59 is arranged at the upper end of the lifting rotating shafts 55, the transposition air cylinder 53 is arranged on the lifting seat 54, the synchronous belt pulleys 59 of the lifting rotating shafts 55 are in transmission connection through a synchronous belt 510, the cylinder rods of the indexing air cylinders 53 are fixedly connected with the synchronous belt 510, and the indexing air cylinders 53 drive the lifting rotating shafts 55 to synchronously rotate in the same direction through the synchronous belt 510 and the synchronous belt pulleys 59.

As a more specific technical solution of the present invention.

A synchronous belt clamping block 511 is arranged on a cylinder rod of the indexing cylinder 53, and the synchronous belt clamping block 511 clamps the synchronous belt 510.

The lifting seat 54 is provided with a detection switch 512, and the detection switch 512 is a microswitch. The detection switch is used for detecting the rotation angle of the lifting rotating shaft.

The press head seat 56 and the outer press head sheet are provided with a first elastic element 513, and a second elastic element 514 is arranged between the press head seat 56 and the central press head 58. The first elastic member 513 and the second elastic member 514 are springs or silicone pads. The first elastic piece and the second elastic piece ensure that the outer pressing head piece and the central pressing head can both flatten the magnetic blocks when pressing the iron core and the magnetic blocks, the heights of the magnetic blocks can both be consistent, and the heights of the iron cores can both be consistent.

The lower end of the lifting rotating shaft 55 is provided with a lower pressing seat 515, the pressing seat 56 is rotatably arranged on the lower pressing seat 515, the pressing seat 56 is fixedly connected with the lower end of the lifting rotating shaft 55, the lower pressing seat 515 is movably provided with a pressing rod 516 up and down, and a pressure spring 517 is arranged between the pressing rod 516 and the lower pressing seat 515.

A micro switch 518 is arranged on the lifting seat 54. The micro switch is used for sensing the height change of the pressing rod, thereby realizing the detection of whether the guide template is horizontally arranged on the die table 14 or not, the micro switch senses the height change of the pressing rod and sends a signal to the control circuit board of the utility model, when the utility model starts to work, the lifting motor 52 rotates in the positive direction, the lifting motor 52 drives the lifting seat 54, the lifting rotating shaft 55 and the pressing seat 515 to descend, two pressing rods 516 on the pressing seat 515 are firstly pressed to the outer iron core installation guide template, at the moment, the outer pressing sheet 57 does not press the outer iron core 810, the pressure spring 517 is compressed, the upper end of the pressing rod 516 is lifted up out of the pressing seat 515, the height of the upper end of the pressing rod 516 is changed, the micro switch starts to detect the height change of the upper end of the pressing rod 516, if the height change of the upper end of the pressing rod 516 belongs to an abnormal range, namely, the outer iron core installation guide template 34 is obliquely arranged on the die table 141, the microswitch sends a signal to the control circuit board, and the control circuit board sends an alarm. If the height change of the upper end of the pressing rod 516 belongs to the normal value range, it indicates that the outer iron core installation guide template 34 is horizontally placed on the mold table 141, and then the microswitch sends a signal to the control circuit board, the control circuit board controls the lifting motor 52 to continue to rotate, and the lifting seat 54, the lifting rotating shaft 55 and the pressing seat 515 continue to descend, so that the magnetic blocks or the iron cores are pressed into the injection molding groove on the mold table 14.

A guide shaft sleeve 519 is arranged on the support frame 51 corresponding to the lifting rotating shaft 55, and the lifting rotating shaft 55 is in up-and-down sliding fit with the guide shaft sleeve 519.

Outer iron core loading attachment 21, 22 include first frame 20, be equipped with outer iron core installation manipulator 23 on first frame 20, first carry flitch 24 and outer iron core installation guide plate 8, outer iron core installation guide plate 8 can be dismantled and set up on first frame 20, is equipped with four outer iron core direction moulds on the outer iron core installation guide plate 8, first carry flitch 24 to be used for bearing a plurality of outer iron cores, outer iron core installation manipulator 23 is used for installing outer iron core direction mould with a plurality of outer iron cores on the first flitch 24 that carries.

The central iron core loading attachment 2 includes second frame 25, be equipped with central iron core installation manipulator 26, second year flitch 27 and central iron core installation die guide plate 7 on the second frame 25, central iron core installation die guide plate 7 can be dismantled and set up on first frame 20, is equipped with four central iron core direction moulds on the central iron core installation die guide plate 7, the second carries the flitch 27 to be used for bearing a plurality of outer iron cores, central iron core installation manipulator 26 is used for carrying the second a plurality of central iron cores on the flitch 27 and installs on central iron core direction mould. The first material carrying plate 24 and the second material carrying plate 27 are respectively provided with a plurality of rows of central iron core mounting through holes 28 and a plurality of rows of outer iron core mounting through holes 29. The center core mounting through hole 28 and the outer core mounting through hole 29 are used for mounting the center core and the outer core, respectively, for the robot to grasp.

The magnetic block feeding devices 4 and 40 comprise a third rack 41, a magnetic block mounting guide template 9, a magnetic block mounting manipulator 42 and a magnetic block feeding mechanism 43. The magnetic block feeding mechanism 43 is disposed on the third frame 41, and is used for supplying the magnetic blocks 40 so as to be grabbed by the magnetic block mounting manipulator 42.

The magnetic block installation guide template 9 is detachably arranged on the third rack 41, four magnetic block guide molds 91 are arranged on the magnetic block installation guide template 9, magnetic block mold grooves 92 are formed in the magnetic block guide molds 91, a plurality of annular magnetic block guide channels 93 are arranged on the bottom surfaces of the magnetic block mold grooves 92 at equal intervals, magnetic block loading chamfers 95 facilitating the magnetic blocks to be loaded into the magnetic block guide channels 93 are arranged at the top ends of the magnetic block guide channels 93, the magnetic block loading chamfers 95 are chamfer angles, and the magnetic block loading chamfers 95 can be designed into chamfer angles. Magnetic path direction passageway 93 link up the bottom surface in magnetic path mould groove 92 and the lower surface of magnetic path direction mould 91, be equipped with the absorption iron plate in the magnetic path direction passageway, because there is magnetic action between magnetic path and the absorption iron plate, the utility model discloses utilize the absorption iron plate to fix the magnetic path in magnetic path direction passageway, the magnetic path installation is led the template and when removing, and the magnetic path can not follow and drop in the magnetic path direction passageway. The magnetic block mounting manipulator 42 is arranged on the third frame 41 and used for grabbing the plurality of magnetic blocks 40 on the magnetic block feeding mechanism 43 and loading the magnetic blocks 40 into the magnetic block guide channel 93.

As a more specific technical solution of the present invention.

A first rotary pressing cylinder 210 for pressing or loosening the outer iron core installation guide die plate 8 is arranged on the first frame 20, so that the outer iron core installation guide die plate 8 is fixed on the first frame 20 or the outer iron core installation guide die plate 8 is loosened, a second rotary pressing cylinder 211 for pressing or loosening the central iron core installation guide die plate is arranged on the second frame 25, and a third rotary pressing cylinder 212 for pressing or loosening the magnetic block installation guide die plate 9 is arranged on the third frame 41. The rotary pressing cylinder is in the prior art, and a cylinder rod of the rotary pressing cylinder can rotate and lift. The die table 14 is provided with a positioning convex column 17, the outer iron core installation guide die plate and the magnetic block installation guide die plate are respectively provided with a first positioning hole 713, a second positioning hole 813 and a third positioning hole 913, and the positioning convex column 17 is used for being in positioning insertion connection with the positioning holes in the three installation guide die plates, so that the installation guide die plates can be positioned on the die table.

The magnetic block feeding mechanism 43 comprises a magnetic block bracket 47, a material pushing cylinder 48, a material pushing slider 49, a magnetic block rotating motor 410 and a magnetic block rotating bracket 411, the magnetic block rotating bracket 411 is horizontally and rotatably arranged on the third frame 41, a plurality of magnetic block brackets 412 are annularly arranged on the outer side surface of the magnetic block rotating bracket 411 at intervals, the magnetic block bracket 47 is provided with a vertical magnetic block material placing channel 413, the magnetic block rotating motor 410 is arranged on the third frame 41, and drives the magnetic block rotating bracket 411 to rotate horizontally, the material pushing slider 49 is arranged on the third frame 41 in a horizontal sliding manner, the material pushing cylinder 48 is arranged on the third frame 41, and drives the material pushing slide block 49 to horizontally slide, a plurality of material pushing plates 415 are arranged on the material pushing slide block 49, the bottom of the magnetic block material placing channel 413 is provided with a material outlet 414, and the position of the material outlet 414 corresponds to the position of the material pushing plate 415.

A plurality of vertical magnetic block material placing channels 413 are formed in the magnetic block bracket 47 in the length direction of the magnetic block rotating bracket 411, so that a plurality of material pushing plates 415 can push a plurality of magnetic blocks to the magnetic block bracket 412 conveniently, and the magnetic block feeding speed is greatly improved.

The magnetic block rotating bracket 411 is provided with a plurality of magnetic block bracket groups 416 along the length direction, and each magnetic block bracket group 416 comprises a plurality of annular magnetic block bracket 412 arranged at intervals, so that the magnetic block rotating motor 410 can drive the magnetic block rotating bracket 411 to rotate at intervals for a set angle, the magnetic block brackets 412 can continuously receive the magnetic block pushed by the material pushing plate, and the magnetic block is rotated to be in a vertical state, and the feeding speed of the magnetic block is greatly improved.

The material pushing slider 49 is provided with a plurality of material pushing plates 415, and the plurality of material pushing plates 415 push a plurality of magnetic blocks out to the plurality of magnetic block bracket slots 412 simultaneously under the driving of the material pushing cylinder 48, so that the magnetic block feeding speed is greatly improved.

The magnetic block rotating bracket 411 and the material pushing plate 415 are respectively positioned on the front side and the rear side of the magnetic block bracket 47, so that the material pushing plate 415 can conveniently push the magnetic block on the magnetic block bracket 47 forwards to the magnetic block bracket 412 of the magnetic block rotating bracket 411.

The magnetic block bracket 412 is composed of a first bracket 417 and a second bracket 418, the notch of the first bracket 417 is arranged opposite to the notch of the second bracket 418, the outer ends of the first bracket 417 and the second bracket 418 are open, so that a magnetic block can conveniently enter and leave the magnetic block bracket 412, a left supporting block 419 and a right supporting block 420 are arranged on the outer side surface of the magnetic block rotating bracket 411 at intervals, and the first bracket 417 and the second bracket 418 are respectively arranged on the left supporting block 419 and the right supporting block 420.

The cross section of the magnetic block material placing channel 413 is rectangular, and the length direction of the magnetic block material placing channel 413 is the same as the discharging direction of the discharging hole 414. The end of magnetic path installation manipulator 42 is equipped with anchor clamps seat 421, annular interval is equipped with a plurality of magnetic paths on anchor clamps seat 421 and snatchs subassembly 422, the magnetic path snatchs subassembly 422 and includes slip table cylinder 423 and locate clamping jaw cylinder 424 on the slip table cylinder 423, and slip table cylinder 423 drive clamping jaw cylinder 424 slides from top to bottom.

A second center avoiding hole 94 is formed in the center of the bottom surface of the magnetic block mold groove 92, and the second center avoiding hole 94 is used for avoiding the center pressure head 58 of the press-in device, so that interference is avoided, and press-in action of the press-in device is not affected.

The magnetic block mounting chamfers 95 are arranged on two opposite side walls of the magnetic block guide channel 93. The magnetic block guide channel 93 is square, and the avoidance groove 97 is arranged at the corner of the magnetic block guide channel 93. An avoiding groove 97 is formed in the side wall of the magnetic block guiding channel 93, and the upper end of the avoiding groove 97 extends to the magnetic block mounting chamfer 95, so that interference between the sharp corner of the magnetic block and the magnetic block guiding channel is avoided. An iron block mounting groove 98 is formed in the side wall of the magnetic block guide channel 93, and the adsorption iron block 96 is arranged in the iron block mounting groove 98, so that the adsorption iron block cannot interfere with the motion of the magnetic block.

As a more specific technical solution of the present invention.

Be equipped with outer iron core mould groove 82 on outer iron core direction mould 81, the bottom surface of outer iron core mould groove 82 is equipped with annular equidistant a plurality of outer iron core direction passageway 83 that are provided with, the top of outer iron core direction passageway 83 is equipped with the outer iron core chamfer 85 of packing into that is convenient for outer iron core direction passageway 83 to pack into, outer iron core direction passageway 83 link up the bottom surface of outer iron core mould groove 82 and the lower surface of outer iron core direction mould 81, the bottom surface center of outer iron core mould groove 82 is equipped with first center and dodges hole 84, be equipped with first absorption magnetic path 88 in the outer iron core direction passageway 83. The utility model discloses utilize the magnetic force of adsorbing the magnetic path to fix outer iron core in outer iron core direction passageway, the template is led in the installation of outer iron core when removing, and outer iron core can not drop in following outer iron core direction passageway. When the pressure applied to the outer iron core is larger than the magnetic force of the first adsorption magnetic block, the outer iron core is extruded out of the outer iron core guide channel, and the outer iron core is guided by the outer iron core guide channel to be installed in the injection molding groove.

As a more specific technical solution of the present invention.

A first center avoidance hole is formed in the center of the outer core mold slot 82. The first center avoiding hole is used for avoiding the center pressure head 58 of the press-in device, so that interference is avoided, and press-in action of the press-in device is not influenced. The outer iron core loading chamfer is a chamfer angle, and the outer iron core loading chamfer can also be designed into a chamfer angle.

The outer core guide channel 83 is fan-shaped. The inner end of the fan-shaped outer iron core guide channel 83 is narrow, the outer end of the fan-shaped outer iron core guide channel is wide, and the shape of the outer iron core guide channel is matched with that of the outer iron core. The opposite two side walls and the inner end of the outer iron core guide passage 83 are provided with the chamfer angle 86, so that the outer iron core can be conveniently installed in the outer iron core guide passage. The corners of the outer core guide channels 83 are provided with avoidance slots 87 to avoid interference between the sharp corners of the outer core and the outer core guide channels. A first magnetic block mounting groove 89 is formed in the side wall of the outer iron core guide channel 83, and the first adsorption magnetic block 88 is arranged in the first magnetic block mounting groove 89. Therefore, the second adsorption magnetic block does not interfere with the movement of the outer core.

Be equipped with central iron core mould groove 72 on central iron core direction mould 71, the bottom surface center of central iron core mould groove 72 is equipped with central iron core direction passageway 73, the bottom surface of central iron core mould groove 72 is equipped with annular equidistant and is provided with a plurality of through-holes 74 of dodging, the top of central iron core direction passageway 73 is equipped with the central iron core that is convenient for central iron core to pack into central iron core direction passageway 73 and packs into chamfer 75, central iron core direction passageway 73 link up the bottom surface and the lower surface of central iron core direction mould 71 of central iron core mould groove 72. A second magnetic absorption block 78 is arranged in the central iron core guide channel 73. The utility model discloses utilize the magnetic force of second absorption magnetic path 78 to fix central iron core in central iron core direction passageway, the template is led in the installation of central iron core when removing, and central iron core can not drop from central iron core direction passageway.

The central core loading chamfer 75 is a chamfer, although the central core loading chamfer 75 may also be designed as a fillet. A second magnetic block mounting groove 77 is formed in the side wall of the central iron core guide channel 73, and the second magnetic adsorption block 78 is arranged in the second magnetic block mounting groove 77. Therefore, the second attracting magnetic block 78 does not interfere with the movement of the center core.

The utility model discloses a production method of electric motor rotor, including following step: the method comprises the following steps: the outer iron core mounting manipulator grabs the plurality of outer iron cores and then mounts the plurality of outer iron cores on an outer iron core guide die of the outer iron core mounting guide die plate at annular intervals; meanwhile, the central iron core is grabbed by the central iron core installing manipulator and then is installed on a central iron core guiding die of the central iron core installing guiding die plate; meanwhile, the magnetic block mounting manipulator grabs the plurality of magnetic blocks and then annularly and alternately mounts the plurality of magnetic blocks on the magnetic block guide die of the magnetic block mounting guide die plate; step two: the transfer robot places the outer iron core installation guide template on the top of an injection groove of an injection mold, then the injection mold fixes the outer iron core installation guide template, the outer iron core guide mold is aligned with the injection groove, a plurality of outer iron cores in the outer iron core guide mold are simultaneously pressed into the injection groove of the injection mold along with the pressing device, and the outer iron core guide channels guide the plurality of outer iron cores to simultaneously enter the injection groove; then, the transfer robot grabs and takes away the outer iron core installation guide template on the injection mold; step three: the transfer robot places the central iron core installation guide template on the top of an injection groove of the injection mold, then the injection mold fixes the central iron core installation guide template, the central iron core guide mold is aligned with the injection groove, a central iron core in the central iron core guide mold is pressed into the injection groove along with the pressing device, a central iron core guide channel guides the central iron core to be pressed into the central positions of the outer iron cores, and then the transfer robot grabs and takes away the central iron core installation guide template on the injection mold; step four: the transfer robot places the magnetic block installation guide template on the top of an injection groove of the injection mold, then the injection mold fixes the magnetic block installation guide template, the magnetic block guide mold is aligned with the injection groove, a plurality of magnetic blocks in the magnetic block guide mold are simultaneously pressed into the injection groove along with the pressing-in device, the magnetic block guide channel guides the magnetic blocks to be inserted between two adjacent outer iron cores, and then the transfer robot grabs and takes away the magnetic block installation guide template on the injection mold; step five: the injection mold starts to perform injection molding on the injection molding groove. Step six: the motor rotor in the injection molding groove is taken out by the transfer robot.

The utility model discloses electric motor rotor injection moulding line's concrete production process is: the utility model discloses a magnetic path loading attachment is before beginning work, and workman or robot put the magnetic path strip of packing into in the material passageway 413 at many magnetic paths, the magnetic path strip is that polylith magnetic path 40 piles up the constitution, and simultaneously, workman or robot will fill the first flitch 24 that carries of outer iron core and place on first frame 20, and workman or robot will carry flitch 27 to place on second frame 25 with the second of central iron core. The utility model discloses an outer iron core loading attachment is at the during operation that begins, and outer iron core installation manipulator 23 snatchs a plurality of outer iron cores 810 from first year flitch 24 earlier to install a plurality of outer iron cores 810 one by one in a plurality of outer iron core guide way of outer iron core direction mould, outer iron core 810 is held by first absorption magnetic path 88 in the outer iron core guide way. Meanwhile, the second rotary push-down cylinder 211 presses the central iron core mounting guide die plate onto the second frame, the central iron core mounting manipulator 26 grabs the plurality of central iron cores 710 on the second material carrying plate 27, and presses the central iron cores 710 mounted on the central iron core guiding dies one by one into the guiding channel, and the central iron core 710 is attracted by the second attracting magnetic block 78 in the central iron core guiding channel. Meanwhile, when the utility model starts to work, the third rotary pressing cylinder 212 presses the magnetic block mounting guide template 9 tightly on the third frame, the material pushing cylinder 48 drives the material pushing slider 49 to slide horizontally forward, the material pushing slider 49 drives the plurality of material pushing plates 415 to slide horizontally forward, the material pushing plates 415 are inserted into the magnetic block material placing channel 413 horizontally and push the magnetic block at the bottommost part of the magnetic block strip out of the material outlet 414, other magnetic blocks 40 of the magnetic block strip are not moved, at the moment, the plurality of magnetic block brackets 412 just receive the plurality of pushed magnetic blocks 40, then the magnetic block rotary motor 410 drives the magnetic block rotary bracket 411 to rotate forward 90, so that the plurality of magnetic blocks on the magnetic block rotary bracket 411 are vertically upward, thereby facilitating the magnetic block grabbing component grabbing of the magnetic block mounting manipulator 42 to grab, the magnetic block mounting manipulator 42 drives the magnetic block grabbing component 422 to move above the magnetic block rotary bracket 411, the sliding table cylinder 423 drives the clamping jaw cylinder 424 to slide downward, the first clamping jaw cylinder 424 grabs the magnetic block 40, the magnetic block installing manipulator 42 drives the magnetic block grabbing assembly 422 to rotate for a fixed angle, the second clamping jaw cylinder 424 grabs the next magnetic block 40, and so on, until all clamping jaw cylinders 424 of the magnetic block grabbing assembly 422 grab the magnetic block, the magnetic block installing manipulator 42 drives the magnetic block grabbing assembly 422 to move to the position above the magnetic block guiding mold 91, then the magnetic blocks are inserted into the magnetic block guiding channels by the clamping jaw cylinders 424 in a clockwise sequence until all magnetic block guiding channels of the magnetic block guiding mold 91 are provided with the magnetic block, the magnetic block installing manipulator 42 further installs the magnetic block in the magnetic block guiding channel of the next magnetic block guiding mold 91 until all magnetic block guiding channels of the four magnetic block guiding molds 91 of the magnetic block installing guiding mold plate 9 are provided with the magnetic block. Follow, first rotatory air cylinder 210 that pushes down loosens outer iron core installation and leads template 8, transports the robot and leads template 8 to carry to injection mold 1's mould bench with outer iron core installation, and template 8 is led in outer iron core installation is fixed a position well on being injection mold 1, a plurality of outer iron core direction moulds 81 and a plurality of groove position one-to-one of moulding plastics this moment, and outer iron core direction mould 81 is located the top in groove of moulding plastics, and a plurality of outer preforming 57 align with a plurality of outer iron core direction passageway 36's position this moment. Then the press-in device starts, the lifting motor 52 rotates positively, the lifting motor 52 drives the lifting seat 54, the lifting rotating shaft 55 and the press-down seat 515 to descend, the outer pressing sheets 57 are inserted into the outer iron core guide channels 36 simultaneously, the outer iron cores 810 in the outer iron core guide channels 36 are pressed into the injection molding groove 11 in the mold table 141 simultaneously, the center pressing head is inserted into the first center avoiding hole, and the outer iron core guide channels guide the outer iron cores 810 to be positioned and installed in the outer iron core mold grooves. After outer iron core 810 is pressed by outer pressing sheet 57, lifting motor 52 rotates reversely, lifting motor 52 drives lifting seat 54, lifting rotating shaft 55 and lower pressing seat 515 to ascend, outer pressing sheet 57 ascends out of outer iron core guide channel 36, then two pressing rods 516 also cannot press outer iron core installation guide templates, and pressing rods 516 return to initial positions on the pressing plates under the action of pressure springs 517. Then, the transfer robot carries the empty outer core installation guide plate 8 on the mold stage 141 back to the first frame 20, the first rotary hold-down cylinder 210 presses the outer core installation guide plate 8 again, and the outer core installation manipulator 23 reinstalls the outer core. And then, the second is rotatory to push down cylinder 211 and loosens the installation of central iron core and leads the template, transports the robot and leads the template with the installation of central iron core and carries to injection mold on, and the template is led in the installation of central iron core and is fixed a position well on by injection mold, four central iron core guide mold and four position one-to-ones of moulding plastics this moment, and central iron core guide mold is located the top in the groove of moulding plastics, and a plurality of outer preforming 57 and a plurality of through-hole 74 of dodging in outer iron core mold groove align this moment. Then the pressing device starts, the lifting motor 52 drives the lifting seat 54, the lifting rotating shaft 55 and the pressing seat 515 to descend, the central pressing head 58 is inserted into the central iron core guiding channel and presses the central iron core 710 into the injection molding groove, the outer pressing sheets 57 are respectively inserted into the avoidance through holes 74 downwards at the same time, the central iron core guiding channel guides the central iron core 710 to be positioned and installed in the center of the central iron core mold groove, the central iron core 710 is pressed into the center of the injection molding groove, and the central iron core 710 is positioned in the centers of the outer iron cores. After the central pressing head 58 presses the central iron core 710, the lifting motor 52 rotates in the reverse direction, the lifting motor 52 drives the lifting base 54, the lifting rotating shaft 55 and the pressing base 515 to ascend, and the central pressing head ascends out of the central iron core guide channel. Thereafter, the transfer robot carries the empty center core installation guide plate 7 on the mold stage 141 back to the second frame 25, the second rotary hold-down cylinder 211 presses the center core installation guide plate again, and the center core installation robot 26 re-installs the center core 710. Following, the third is rotatory to be pushed down cylinder 212 and is loosened magnetic block installation and lead template 9, and the transfer robot carries the magnetic block installation and leads the template to injection mold on, and the magnetic block installation is led the template and is fixed a position well by injection mold on, four magnetic block direction moulds and four injection mold groove positions one-to-one this moment, and magnetic block direction mould is located the top in injection mold groove, and a plurality of outer preforming 57 misplace with a plurality of magnetic block direction passageway 93 in magnetic block mould groove this moment. Then, the utility model discloses a transposition cylinder 53 drives the motion of hold-in range 510, and hold-in range 510 drives a plurality of lift pivot 55 simultaneously and the same angle of syntropy rotation to make the outer preforming 57 of multi-disc align with a plurality of magnet direction passageway's position. Then, the lifting motor 52 rotates forward, the lifting motor 52 drives the lifting base 54, the lifting rotating shaft 55 and the pressing base 515 to descend, the plurality of outer pressing sheets 57 press the magnets in the plurality of magnet guide channels into the injection molding groove 11, the central pressing head is inserted into the second central avoiding hole 94, and the magnet guide channels guide the magnets to be positioned and installed in the magnet installation channels 814 between the two adjacent outer iron cores. After the magnetic blocks are pressed by the outer pressing sheet 57, the lifting motor 52 rotates reversely, the lifting motor 52 drives the lifting base 54, the lifting rotating shaft 55 and the lower pressing base 515 to ascend, and the outer pressing sheet 57 ascends out of the magnetic block guide channel. Then, the transfer robot carries the magnetic block mounting guide template back to the third rack, the third rotary pressing cylinder 212 presses the magnetic block mounting guide template 9 again, and the magnetic block is mounted again by the magnetic block mounting manipulator. And then, injection mold begins work, and injection mold begins to pour into molten plastic into in the groove of moulding plastics until molten plastic cooling back to mould plastics polylith outer iron core, polylith magnetic path and a central iron core together, thereby form a rotor.

Claims (9)

1. An injection molding production line of a motor rotor is characterized by comprising a magnetic block feeding device, a central iron core feeding device, an outer iron core feeding device, a transfer robot, a press-in device and an injection mold;

the transfer robot is used for transporting the magnetic block installation guide template between the magnetic block feeding device and the injection mold, transporting the central iron core installation guide template between the central iron core feeding device and the injection mold, and transporting the outer iron core installation guide template between the outer iron core feeding device and the injection mold;

the magnetic block loading device is detachably provided with a magnetic block installation guide template, a plurality of magnetic block guide dies are arranged on the magnetic block installation guide template, and the magnetic block loading device is used for installing a plurality of magnetic blocks on the outer iron core guide dies;

the outer iron core feeding device is detachably provided with an outer iron core installation guide template, a plurality of outer iron core guide molds are arranged on the outer iron core installation guide template, and the outer iron core feeding device is used for installing a plurality of outer iron cores on the outer iron core guide molds;

the central iron core feeding device is detachably provided with a central iron core installation guide template, a plurality of outer iron core guide molds are arranged on the central iron core installation guide template, and the central iron core feeding device is used for installing a central iron core on the outer iron core guide molds;

the injection mold is provided with an injection groove and is used for injecting a plurality of outer iron cores, a plurality of magnetic blocks and a central iron core together in the injection groove;

the pressing-in device is used for simultaneously pressing a plurality of outer iron cores on the outer iron core guide die into the injection molding groove, pressing a central iron core on the central iron core guide die into the injection molding groove and simultaneously pressing a plurality of magnetic blocks on the magnetic block guide die into the injection molding groove.

2. The motor rotor injection molding line of claim 1, wherein the pressing device comprises a support frame, a lifting motor, a shifting cylinder, a lifting seat and a plurality of lifting rotating shafts, the lifting seat is slidably disposed on the support frame up and down and is located below the lifting motor, the lifting motor is disposed on the support frame and drives the lifting seat to lift, the plurality of lifting rotating shafts are vertically disposed on the lifting seat, a press head seat is disposed at a lower end of the lifting rotating shafts, a plurality of outer press plates and a central press head are disposed at a bottom of the press head seat, the plurality of outer press plates are annularly and alternately disposed on the press head seat, the plurality of outer press plates are located at an outer side of the central press head, a synchronous belt pulley is disposed at an upper end of the lifting rotating shafts, the shifting cylinder is disposed on the lifting seat, the synchronous belt pulleys of the plurality of lifting rotating shafts are in transmission connection through a synchronous belt, and a cylinder rod of the shifting cylinder is fixedly connected with the synchronous belt, the transposition air cylinder drives the lifting rotating shafts to synchronously rotate in the same direction through the synchronous belt and the synchronous belt pulley.

3. The electric motor rotor injection molding production line of claim 1, characterized in that the outer core loading device comprises a first frame and an outer core mounting guide plate, wherein the first frame is provided with an outer core mounting manipulator and a first material carrying plate, the outer core mounting guide plate is detachably arranged on the first frame, the first material carrying plate is used for carrying a plurality of outer cores, the outer core mounting guide plate is provided with a plurality of outer core guiding molds, and the outer core mounting manipulator is used for mounting the outer cores on the first material carrying plate onto the outer core guiding molds.

4. The electric motor rotor injection production line of claim 1 or 3, characterized in that, the outer core guide mold is provided with an outer core mold groove, the bottom surface of the outer core mold groove is provided with a plurality of annular outer core guide channels at equal intervals, the outer core guide channels are internally provided with first adsorption magnetic blocks, the top end of the outer core guide channel is provided with an outer core loading chamfer facilitating the outer core loading into the outer core guide channels, the outer core guide channels penetrate through the bottom surface of the outer core mold groove and the lower surface of the outer core guide mold, and the center of the bottom surface of the outer core mold groove is provided with a first center avoiding hole.

5. The electric motor rotor injection production line of claim 1, wherein the central core loading device comprises a second frame and a central core mounting guide plate, the second frame is provided with a central core mounting manipulator and a second material carrying plate, the central core mounting guide plate is detachably arranged on the second frame, the second material carrying plate is used for carrying a plurality of central cores, the central core mounting guide plate is provided with a plurality of central core guiding molds, and the central core mounting manipulator is used for mounting the central cores on the second material carrying plate onto the outer core guiding molds.

6. The electric motor rotor injection production line of claim 1 or 5, characterized in that a central core mold slot is arranged on the central core guide mold, a central core guide channel is arranged in the center of the bottom surface of the central core mold slot, a second adsorption magnet block is arranged in the central core guide channel, a plurality of avoidance through holes are arranged in the bottom surface of the central core mold slot at equal intervals in a ring shape, a central core loading chamfer facilitating the central core loading into the central core guide channel is arranged at the top end of the central core guide channel, and the central core guide channel penetrates through the bottom surface of the central core mold slot and the lower surface of the central core guide mold.

7. The injection molding production line of the motor rotor as claimed in claim 1, wherein the magnetic block feeding device comprises a third rack, a magnetic block mounting guide template, a magnetic block mounting manipulator and a magnetic block feeding mechanism;

the magnetic block feeding mechanism is arranged on the third rack and used for supplying magnetic blocks so that the magnetic block mounting manipulator can conveniently grab the magnetic blocks;

the magnetic block installation guide template is detachably arranged on the rack, a plurality of magnetic block guide molds are arranged on the magnetic block installation guide template, magnetic block mold grooves are formed in the magnetic block guide molds, a plurality of annular magnetic block guide channels are arranged on the bottom surfaces of the magnetic block mold grooves at equal intervals, magnetic block loading chamfers convenient for the magnetic blocks to be loaded into the magnetic block guide channels are arranged at the top ends of the magnetic block guide channels, the magnetic block guide channels penetrate through the bottom surfaces of the magnetic block mold grooves and the lower surfaces of the magnetic block guide molds, and adsorption iron blocks are arranged in the magnetic block guide channels;

the magnetic block mounting manipulator is arranged on the third rack and used for grabbing the plurality of magnetic blocks on the magnetic block feeding mechanism and loading the plurality of magnetic blocks into the magnetic block guide channel.

8. The injection molding production line of the motor rotor as claimed in claim 7, wherein the magnetic block feeding mechanism comprises a magnetic block bracket, a material pushing cylinder, a material pushing slider, a magnetic block rotating motor and a magnetic block rotating bracket, the magnetic block rotating bracket is horizontally and rotatably arranged on the rack, a plurality of magnetic block supporting grooves are annularly and alternately arranged on the outer side surface of the magnetic block rotating bracket, a vertical magnetic block material placing channel is arranged on the magnetic block rotating bracket, the magnetic block rotating motor is arranged on the rack and drives the magnetic block rotating bracket to horizontally rotate, the material pushing slider is horizontally and slidably arranged on the rack, the material pushing cylinder is arranged on the rack and drives the material pushing slider to horizontally slide, a material pushing plate is arranged on the material pushing slider, a material outlet is arranged at the bottom of the magnetic block material placing channel, and the position of the material outlet corresponds to the position of the material pushing plate.

9. The injection production line of the motor rotor as claimed in claim 8, wherein a plurality of magnetic block bracket sets are arranged on the magnetic block rotating bracket along the length direction of the magnetic block rotating bracket, each magnetic block bracket set comprises a plurality of magnetic block bracket grooves, each magnetic block bracket groove is composed of a first bracket and a second bracket, the outer ends of the first bracket and the second bracket are open, the notch of the first bracket is opposite to the notch of the second bracket, a left supporting block and a right supporting block are arranged on the outer side surface of the magnetic block rotating bracket at intervals, and the first bracket and the second bracket are respectively arranged on the left supporting block and the right supporting block.

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