阅读说明：本技术 一种转子零部件在注塑模具上的安装方法 (Method for mounting rotor parts on injection mold ) 是由 刘晖 刘璐 于 2021-08-05 设计创作，主要内容包括：本发明涉及一种转子零部件在注塑模具上的安装方法。它包括步骤一：安装机械手抓取多个转子零部件,然后将转子零部件安装到导模板上的导向模具的导向通道上,所述导向通道的顶端设有便于磁块装入导向通道的倒角；步骤二：转运机器人把所述导模板放置到注塑模具的注塑槽的顶部,导向模具与注塑槽位置对齐,步骤三：跟着压入装置将导模板上的转子零部件压入到注塑槽内,导向通道引导转子零部件进入注塑槽内。本发明方法是利用导模板对多个转子零部件进行预先安装,多个转子零部件预先安装好之后,再转运到注塑模具上去同时压入,因此,本发明可以一边预装转子零部件,一边注塑出转子,因此本发明的生产效率高、自动化程度高。(The invention relates to a method for mounting rotor parts on an injection mold. The method comprises the following steps: the mounting manipulator grabs a plurality of rotor parts and then mounts the rotor parts on a guide channel of a guide die on a guide template, and a chamfer convenient for a magnetic block to be mounted in the guide channel is arranged at the top end of the guide channel; step two: the transfer robot will the top in injection mold's the groove of moulding plastics is placed to the guide die plate, and the guide die aligns with the groove position of moulding plastics, step three: and the rotor parts on the guide template are pressed into the injection molding groove along with the pressing device, and the guide channel guides the rotor parts to enter the injection molding groove. The method of the invention is to use the guide template to pre-install a plurality of rotor parts, and the plurality of rotor parts are transferred to the injection mold to be pressed in simultaneously after being pre-installed, therefore, the invention can pre-install the rotor parts and simultaneously inject the rotors, thus the production efficiency and the automation degree of the invention are high.)

1. A method for mounting a rotor part on an injection mold comprises the following steps: the mounting manipulator grabs a plurality of rotor parts and then mounts the rotor parts on a guide channel of a guide die on a guide template, and a chamfer convenient for a magnetic block to be mounted in the guide channel is arranged at the top end of the guide channel; step two: the transfer robot will lead the top in injection mold's the groove of moulding plastics is placed to the template, and injection mold is fixed lead the template, lead the mould and align with the groove position of moulding plastics, step three: and the rotor parts on the guide template are pressed into the injection molding groove along with the pressing device, and the guide channel guides the rotor parts to enter the injection molding groove.

2. The method for mounting a rotor component on an injection mold as recited in claim 1, further comprising a fourth step of the transfer robot grasping the mold guide plate of the injection mold.

3. The method for mounting a rotor component on an injection mold as claimed in claim 1, wherein the guide mold is provided on the guide mold plate, the guide mold is provided with a mold groove, the bottom surface of the mold groove is provided with a plurality of annular guide channels at equal intervals, the top ends of the guide channels are provided with chamfers for facilitating the magnetic blocks to be inserted into the guide channels, and the guide channels penetrate through the bottom surface of the mold groove and the lower surface of the guide mold.

4. A method of mounting rotor parts on an injection mold according to claim 3, wherein in the first step, the mounting robot mounts the plurality of rotor parts on the plurality of guide channels of the mold cavity at equal intervals in a ring shape.

5. The method for mounting a rotor component on an injection mold according to claim 1, wherein the pressing means simultaneously presses the plurality of rotor components on the guide mold plate into the injection groove in step three.

6. A method of mounting a rotor component to an injection mould according to claim 1, wherein the rotor component is a central core or a plurality of magnets or a plurality of outer cores.

7. The method of mounting a rotor component on an injection mold as claimed in claim 1, wherein a plurality of said guide molds are provided on said guide mold plate.

8. The method of claim 1, wherein the guide channel has an iron or magnetic block.

9. A method of installing a rotor component in an injection mold as claimed in claim 1, wherein said chamfers are provided on opposite side walls of said guide channel.

10. The method as claimed in claim 8, wherein the side wall of the guide passage has a mounting recess, and the iron or magnetic adsorption block is disposed in the mounting recess.

Technical Field

The invention relates to the technical field of motor rotor injection molding production lines, in particular to a method for mounting rotor parts on an injection mold.

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 the assembly production process, and the workman is manual with a plurality of rotor core one by one impress injection mold's circular inslot of moulding plastics, later impress the magnetic path one by one in above-mentioned holding tank, the sector closely cooperates with circular groove of moulding plastics, and the sector closely cooperates with the sector, and the magnetic path closely cooperates 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 production line of the existing motor rotor is low, the labor intensity of the workers is high, and the automation degree is low.

Disclosure of Invention

The invention aims to provide a method for mounting a rotor part on an injection mold, which has high production efficiency.

The purpose of the invention is realized as follows:

a method for mounting a rotor part on an injection mold comprises the following steps: the mounting manipulator grabs a plurality of rotor parts, then installs the rotor parts on the guide channel of the guide die on the guide template, the top end of the guide channel is provided with a chamfer convenient for the magnetic block to be installed in the guide channel, and the step two is as follows: the transfer robot will lead the top in injection mold's the groove of moulding plastics is placed to the template, and injection mold is fixed lead the template, lead the mould and align with the groove position of moulding plastics, step three: and the rotor parts on the guide template are pressed into the injection molding groove along with the pressing device, and the guide channel guides the rotor parts to enter the injection molding groove.

The present invention may be further improved as follows.

And step four, the transfer robot grabs and takes away the guide template on the injection mold.

The magnetic block guiding die is characterized in that the guiding die plate is provided with the guiding die, the guiding die is provided with a die groove, the bottom surface of the die groove is provided with a plurality of annular guiding channels at equal intervals, the top end of each guiding channel is provided with a chamfer convenient for the magnetic block to be arranged in the guiding channel, and the guiding channel penetrates through the bottom surface of the die groove and the lower surface of the guiding die.

In the first step, the mounting robot mounts the plurality of rotor parts onto the plurality of guide channels of the mold chase at equal intervals in a ring shape.

In the third step, the pressing device simultaneously presses the plurality of rotor parts on the guide template into the injection molding groove.

The rotor component is a central core or a plurality of magnets or a plurality of outer cores.

The guide die plate is provided with a plurality of guide dies, so that a plurality of rotor parts can be pressed in at multiple stations at the same time, and the production efficiency is greatly improved.

The guide channel is internally provided with the adsorption iron block or the adsorption magnetic block, the rotor parts are fixed in the guide channel by utilizing the characteristic that the magnetic block is attracted with metal iron, and the rotor parts cannot fall out of the guide channel when the guide template moves due to the magnetic force of the magnetic block. The invention has reasonable structural design, not only realizes the purpose of fixing the rotor parts, but also is convenient for the rotor parts to be extruded out of the guide channel.

The chamfer angle is arranged on the two opposite side walls of the guide channel.

The invention has the following beneficial effects:

the invention relates to a method for mounting a plurality of rotor parts, in particular to a method for mounting a plurality of rotor parts on an injection mold, which comprises the steps of pre-mounting the plurality of rotor parts by utilizing a guide template, transferring the plurality of rotor parts to the injection mold for pressing in at the same time after pre-mounting the plurality of rotor parts, and then pressing in the plurality of rotor parts. The rotor parts are pre-installed outside the injection mold and then are installed on the injection mold in a guiding mode, so that the rotor parts can be pre-installed and the rotor can be injection molded at the same time, and therefore the production efficiency and the automation degree of the rotor part injection molding machine are high.

And (II) the rotor parts are fixed in the guide channel by utilizing the characteristic that the magnetic block is attracted with the metallic iron, and the rotor parts cannot fall out of the guide channel when the guide template moves due to the magnetic force of the magnetic block. The invention has reasonable structural design, not only realizes the purpose of fixing the rotor parts, but also is convenient for the rotor parts to be extruded out of the guide channel.

And thirdly, the mechanical arm is arranged to grab a plurality of rotor parts, and then the mechanical arm is arranged to insert the rotor parts into the guide channel.

Drawings

Fig. 1 is a schematic structural view of a motor rotor production line of the present invention.

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

Fig. 3 is a top view of the motor rotor production line of the present invention.

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

Fig. 5 is a schematic structural view of the central core loading device of the present invention.

FIG. 6 is a schematic structural diagram of a 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.

FIG. 9 is a top view of a magnetic block loading device of the present invention.

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

FIG. 11 is a schematic diagram of a magnetic block conductive template (without magnetic blocks mounted) 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 a magnetic block conductive template (with magnetic blocks mounted) of the present invention.

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

Fig. 15 is a schematic structural view of a center core guide plate 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 center core guide plate (with the center core mounted) of the present invention.

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

Fig. 19 is a schematic structural view of an outer core 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 outer core guide plate (with the outer core mounted) of the present invention.

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

Fig. 23 is a schematic structural view of a press-in device (a 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-fitting device in the motor rotor manufacturing 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-fitting device is omitted).

Fig. 31 is a schematic view of the structure of the die table of the present invention.

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

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

Detailed Description

The invention is further described with reference to the following figures 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.

Center iron core loading attachment 2 is last to dismantle to be provided with center iron core installation guide die plate 7, be equipped with a plurality of center iron core direction moulds 71 on center iron core installation guide die plate 7, center iron core loading attachment 2 is used for installing center iron core on center iron core direction mould 71.

The injection mold 1 is provided with an injection molding groove 11, 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.

The present invention is a more specific embodiment.

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.

The present invention is a more specific embodiment.

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 microswitch is used for sensing the height change of the pressing rod, so as to detect whether the guide template is horizontally arranged on the die table 14 or not, the microswitch senses the height change of the pressing rod and sends a signal to the control circuit board of the invention, when the invention starts to work, the lifting motor 52 rotates forwards, the lifting motor 52 drives the lifting seat 54, the lifting rotating shaft 55 and the lower pressing seat 515 to descend, two pressing rods 516 on the lower pressing seat 515 are firstly pressed to the outer iron core to install the 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 ends of the pressing rods 516 are lifted upwards out of the lower pressing seat 515, the height of the upper ends of the pressing rods 516 is changed, the microswitch starts to detect the height change of the upper ends of the pressing rods 516, if the height change of the pressing rods 516 is in 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. The magnetic block guide channel 93 penetrates through the bottom surface of the magnetic block die groove 92 and the lower surface of the magnetic block guide die 91, an adsorption iron block is arranged in the magnetic block guide channel, and due to the magnetic force action between the magnetic block and the adsorption iron block, the magnetic block is fixed in the magnetic block guide channel by utilizing the adsorption iron block, and when the magnetic block mounting guide die plate moves, the magnetic block cannot fall out of the magnetic block guide channel.

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.

The present invention is a more specific embodiment.

The first frame 20 is provided with a first rotary pressing cylinder 210 for pressing or loosening the outer iron core installation guide die plate 8, 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, the second frame 25 is provided with a second rotary pressing cylinder 211 for pressing or loosening the central iron core installation guide die plate, and the third frame 41 is provided with a third rotary pressing cylinder 212 for pressing or loosening the magnetic block installation guide die plate 9. 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 positioning and inserting with the positioning holes in the three installation guide die plates, so that the installation guide die plates are positioned on the die table.

The magnetic block feeding mechanism 43 comprises a magnetic block bracket 47, a pushing cylinder 48, a 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 to the plurality of magnetic block brackets 412 simultaneously under the driving of the material pushing cylinder 48, so that the material loading speed of the magnetic blocks 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.

The present invention is a more specific embodiment.

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.

The present invention is a more specific embodiment.

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 outer iron core is fixed in the outer iron core guide channel by utilizing the magnetic force of the adsorption magnetic block, and the outer iron core cannot fall from the outer iron core guide channel when the outer iron core installation guide template moves. 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.

The present invention is a more specific embodiment.

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 chamfer angle 86 is provided on the opposite side walls and the inner end of the outer core guide passage 83, thereby facilitating the installation of the outer core into the outer 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 center iron core is fixed in the center iron core guide channel by utilizing the magnetic force of the second adsorption magnetic block 78, and the center iron core cannot fall out of the center iron core guide channel when the center iron core installation guide template moves.

The present invention is a more specific embodiment.

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 adsorbing 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 production method of the motor rotor comprises the following steps:

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 specific production process of the motor rotor injection molding production line comprises the following steps:

before the magnetic block feeding device starts to work, a worker or a robot loads a magnetic block strip which is formed by stacking a plurality of magnetic blocks 40 into the plurality of magnetic block placing channels 413, meanwhile, the worker or the robot places a first material carrying plate 24 which is filled with an outer iron core on the first rack 20, and the worker or the robot places a second material carrying plate 27 which is filled with a central iron core on the second rack 25.

When the external iron core feeding device starts to work, the external iron core installing manipulator 23 firstly grabs the plurality of external iron cores 810 from the first material carrying plate 24, and the plurality of external iron cores 810 are installed in the plurality of external iron core guiding channels of the external iron core guiding mold one by one, and the external iron cores 810 are attracted by the first attraction magnetic blocks 88 in the external iron core guiding channels.

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 magnetic block installing and clamping device starts to work, the third rotary pressing cylinder 212 presses the magnetic block installing and guiding template 9 on the third rack, 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 channels 413 horizontally and push the magnetic blocks 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 rotating motor 410 drives the magnetic block rotating bracket 411 to rotate forwards 90, so that the plurality of magnetic blocks on the magnetic block rotating bracket 411 are vertically upward, the magnetic block installing manipulator 42 drives the magnetic block grabbing component 422 to move above the magnetic block rotating bracket 411, the clamping jaw cylinder 423 drives the clamping jaw cylinder 424 to slide downwards, 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 die plate 8 on the die table 141 back to the first frame 20, the first rotary hold-down cylinder 210 holds down the outer core installation guide die plate 8 again, and the outer core installation manipulator 23 remounting the outer core.

Follow, the rotatory air cylinder 211 that pushes down of second 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 is fixed a position well on by injection mold, four central iron core guide mold and four injection mold position one-to-ones of moulding plastics this moment, and central iron core guide mold is located the top in injection mold groove, 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 center core mounting die plate 7 left vacant on the die stage 141 back to the second frame 25, the second rotary hold-down cylinder 211 presses the center core mounting die plate again, and the center core mounting robot 26 remounting 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 indexing cylinder 53 of the present invention drives the synchronous belt 510 to move, and the synchronous belt 510 drives the plurality of lifting shafts 55 to rotate simultaneously and in the same direction by the same angle, so that the plurality of outer pressing sheets 57 are aligned with the plurality of magnet guide channels. 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.