CN112917153A

CN112917153A - Automatic assembling device for motor commutator

Info

Publication number: CN112917153A
Application number: CN202110353788.4A
Authority: CN
Inventors: 王成光; 王富成; 王楚哲
Original assignee: Shenzhen Chengchuang Intelligent Precision Equipment Co ltd
Current assignee: Shenzhen Chengchuang Intelligent Precision Equipment Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-06-08

Abstract

The invention provides an automatic assembling device of a motor commutator, which comprises a rack, wherein the rack is divided into a copper sheet assembling station, a mica sheet assembling station and a sleeve assembling station; at least one index plate mechanism is arranged below the rack, an auxiliary die is arranged at the top of each index plate mechanism, and the index plate mechanism is also connected with an index plate driver; and a turntable used for sequentially rotating the auxiliary dies on the index plate mechanism to the positions below the stations and a turntable driver used for driving the rotary plate to rotate are also arranged below the frame. Compared with the prior art, the automatic assembling device of the motor commutator has the advantages that the copper sheet is assembled into the auxiliary mold at the copper sheet assembling station, the mica sheet is assembled into the auxiliary mold at the mica sheet assembling station, the copper sheet and the mica sheet in the auxiliary mold are transferred to the upper part of the sleeve at the sleeve assembling station, the copper sheet and the mica sheet are pressed into the sleeve, the assembling is completed fully automatically, the processing efficiency is improved, and the cost is saved.

Description

Automatic assembling device for motor commutator

Technical Field

The invention relates to the field of machining, in particular to an automatic assembling device for a motor commutator.

Background

An electric motor is a rotary electric machine that converts electrical energy into mechanical energy and consists essentially of an electromagnet winding or distributed stator winding for generating a magnetic field and a rotating armature or rotor. The commutator is a component of the dc permanent magnet series motor for enabling the motor to rotate continuously. When the coil passes through the current, it will rotate under the action of the permanent magnet through the attraction and repulsion forces, and when it is rotated to balance with the magnet, the original energized line is separated from the brush than the contact sheet on the corresponding commutator, and the brush is connected to the contact sheet corresponding to the coil group generating the impulse force, so that the direct current motor can be rotated continuously and repeatedly.

The range of power which can be provided by the motor is very large, namely milliwatt to kilowatt, for example, a machine tool and a water pump need to be driven by the motor; electric locomotives, elevators, requiring motor traction; electric fans, refrigerators, washing machines and even various motor toys in family life can not be driven by the motor. Electric motors have been used in various aspects of modern life, and thus the demand for commutators has increased. Copper sheets and mica sheets are alternately arranged in the sleeve in the commutator, however, the motor models required in various small household appliances and small toys are small, automatic assembly is not easy to adopt, and manual assembly is mostly adopted; and during the assembly, the mica sheets and the copper sheets are assembled into a circle by keeping the distance, and when the mica sheets and the copper sheets are assembled manually, the mica sheets and the copper sheets are not supported in the sleeve and are easily scattered in the positioning, so that the efficiency is low, the quality is uneven, and the labor cost is increased.

Disclosure of Invention

Aiming at the problems, the invention provides the automatic assembling device of the motor commutator, which can automatically assemble the copper sheets and the mica sheets into the sleeve, improve the working efficiency and ensure the assembling quality.

The technical scheme adopted by the invention is as follows:

an automatic assembling device of a motor commutator is characterized by comprising a rack, wherein the rack is divided into a copper sheet assembling station, a mica sheet assembling station and a sleeve assembling station; at least one index plate mechanism is arranged below the rack, an auxiliary die is arranged at the top of each index plate mechanism, and the index plate mechanism is also connected with an index plate driver; a turntable used for sequentially rotating the auxiliary dies on the index plate mechanism to the positions below the stations and a turntable driver used for driving the turntable to rotate are arranged below the frame; a copper sheet receiving assembly for receiving a copper sheet and a first pressing assembly for pressing the copper sheet in the receiving assembly into an auxiliary mold when the auxiliary mold on the turntable rotates below the copper sheet assembling station are arranged in the copper sheet assembling station; a cutting assembly used for cutting the introduced mica strips into mica sheets and a second pressing assembly arranged above the cutting assembly and used for pressing the mica sheets in the cutting assembly into the auxiliary die are arranged in the mica sheet assembling station; the sleeve assembling station is internally provided with a sleeve assembling position for receiving the sleeve, a shifting assembly for moving the copper sheets and the mica sheets in the auxiliary die to the position above the sleeve assembling position, and a third pressing assembly for pressing the semi-finished product moved by the shifting assembly to the position above the sleeve into the sleeve of the sleeve assembling position.

Preferably, a plurality of copper sheet mounting grooves arranged around the center and a plurality of mica sheet mounting grooves arranged around the center are formed in the auxiliary die, the copper sheet mounting grooves and the mica sheet mounting grooves are arranged at intervals, and a mica sheet mounting groove is formed between every two adjacent copper sheet mounting grooves.

Preferably, the copper sheet receiving assembly comprises a copper sheet receiving seat and a copper sheet receiving driver for driving the receiving seat to move, and at least one copper sheet receiving clamping groove for receiving a copper sheet is formed in the copper sheet receiving seat; the first pressing assembly comprises a first pressing driver and a first pressing column which is connected with the pressing driver and used for pressing a copper sheet in the receiving clamping groove to the mounting groove when the receiving clamping groove in the receiving seat is aligned with the copper sheet mounting groove in the auxiliary die.

More preferably, the first pressing assembly further comprises a first support arranged on the frame, a copper sheet mounting opening corresponding to the auxiliary mold is formed in a bottom plate of the first support, the pressing driver is arranged on a top plate of the support and connected with a guide plate, a guide shaft for guiding the guide plate is arranged between the bottom plate and the top, and the copper sheet pressing column is arranged below the guide plate; the bottom plate of the first support is also provided with a channel for the material receiving seat to slide, and the channel is communicated with the copper sheet mounting port.

Preferably, the slicing assembly comprises a fixed seat, a material guide channel for guiding the mica strips is arranged on the fixed seat, an installation through hole and a slicing module which is positioned in the installation through hole and used for cutting the guided mica strips into mica sheets are arranged in the fixed seat, the slicing module comprises a slicing die and a cutter matched with the slicing die, and a blanking channel for blanking the mica sheets formed by the slicing die and the cutter is arranged in the slicing die; the second presses the subassembly to include the second press the post and with press the post to be connected and be used for when the auxiliary mold is in installation opening below the drive mica sheet press the post descend with the mica sheet that will cut into slices the module and form inserts the second in the mica sheet mounting groove and press the driver.

More preferably, the slicing die comprises a fixed die arranged in the through hole, a movable die sleeved in the fixed die and a forming die plate positioned in the movable die, wherein an inserting channel for inserting the movable die and a cutter extending inlet for extending a cutter into a forming mica sheet matched with the forming die plate are arranged in the fixed die; the forming template is provided with a sheet opening used for punching when the end part of the mica strip is positioned in front of the forming template, the cutter extends into the cutter extending opening, a groove used for butt joint with the blanking channel and formed is formed at the rear side of the forming template, and the groove is communicated with the blanking channel.

Preferably, a pair of side walls of the fixed seat are respectively provided with a material guide channel, and two groups of slicing modules are installed in the fixed seat; the fixed moulds in the two groups of slicing modules are connected into a whole, and the movable moulds are connected into a whole.

Preferably, the index plate mechanism is internally provided with a jacking piece for jacking the copper sheets and the mica sheets in the auxiliary die into the displacement assembly; the shifting assembly comprises a shifting die for receiving the semi-finished product and a shifting driver for driving the shifting die to move; the third pressing assembly comprises a third pressing column and a third pressing driver, the third pressing column is used for pressing the semi-finished product in the shifting die to the inner sleeve in the sleeve assembling position, and the third pressing driver is used for driving the pressing column to press.

Preferably, the shifting assembly and the pressing assembly are both arranged on a third support, a sliding rail and a sliding seat matched with the sliding rail are arranged in the third support, the shifting mold is installed below the sliding seat, the sliding seat is connected with a shifting driver, a through hole for the pressing column to pass through is formed in the sliding seat, the shifting driver is arranged on one side of the support, and the pressing driver is arranged on the third support; the sliding seat is also provided with a fixed cylinder, and the pressing column is arranged in the fixed cylinder; and the third support is also provided with a positioning driver which is used for pressing the pressing column in the fixed cylinder when the jacking assembly jacks the semi-finished product into the shifting die.

Preferably, the rack is divided into a copper sheet assembling station, two mica sheet assembling stations and a sleeve assembling station, and the four stations are distributed at an included angle of 90 degrees; four index plate mechanisms are arranged on the rotary plate and distributed at 90-degree included angles, and each index plate mechanism is provided with an auxiliary die.

Compared with the prior art, the invention has the beneficial effects that: the invention provides an automatic assembling device of a motor commutator, which is characterized in that a copper sheet is assembled in an auxiliary die at a copper sheet assembling station, a mica sheet is assembled in the auxiliary die at a mica sheet assembling station, the copper sheet and the mica sheet in the auxiliary die are transferred to the upper part of a sleeve at a sleeve assembling station, and then the copper sheet and the mica sheet are pressed into the sleeve, so that the assembly is completed fully automatically, the processing efficiency is improved, and the cost is saved.

Drawings

Fig. 1 is a first schematic diagram of an automatic assembling device for a motor commutator provided by the present invention;

fig. 2 is a second schematic diagram of an automatic assembling device for a motor commutator provided by the present invention;

fig. 3 is an exploded view of a dividing plate mechanism in an automatic assembling device of a motor commutator provided by the invention;

fig. 4 is a schematic view of an auxiliary mold in an automatic assembling device for a motor commutator provided by the present invention;

fig. 5 is a schematic view of the inside of a copper sheet assembling station in the automatic assembling device for the motor commutator provided by the invention;

FIG. 6; the invention provides a schematic diagram of a copper sheet receiving seat in an automatic assembling device of a motor commutator;

fig. 7 is a schematic view of a first pressing member in an automatic assembling apparatus for a motor commutator according to the present invention;

fig. 8 is an exploded view of a first pressing member in the automatic assembling apparatus for a motor commutator according to the present invention;

fig. 9 is a schematic view of a first guide seat in an automatic assembling device of a motor commutator provided in the present invention;

fig. 10 is an internal schematic view of a mica sheet assembling station in the automatic assembling apparatus for a motor commutator provided in the present invention;

fig. 11 is an exploded view of a blade assembly in an automatic assembling apparatus for a motor commutator according to the present invention;

fig. 12 is a schematic view of a slicing module in the automatic assembling apparatus for a motor commutator provided in the present invention;

fig. 13 is an exploded view of a slicing die in an automatic assembling apparatus for a motor commutator according to the present invention;

fig. 14 is a sectional view of a slicing die in an automatic assembling apparatus for a motor commutator according to the present invention;

fig. 15 is a schematic view of a mica plate pressing assembly in the automatic assembling apparatus for a motor commutator according to the present invention;

fig. 16 is an exploded view of a mica sheet pressing member in the automatic assembling apparatus for a motor commutator according to the present invention;

fig. 17 is an internal schematic view of a copper bush assembling station in the automatic assembling apparatus for a motor commutator provided in the present invention;

FIG. 18 is a schematic view of a sleeve chute of an automatic assembling apparatus for a motor commutator according to the present invention;

fig. 19 is a first schematic diagram of a shifting unit and a pressing unit in the automatic assembling apparatus for a motor commutator according to the present invention;

fig. 20 is a second schematic diagram of a shifting unit and a pressing unit in the automatic assembling apparatus for a motor commutator according to the present invention;

fig. 21 is a schematic view of a slide carriage in an automatic assembling apparatus for a motor commutator according to the present invention;

fig. 22 is an exploded view of a carriage in the automatic assembling apparatus for a motor commutator according to the present invention;

fig. 23, the copper sheet and the mica sheet are assembled to form a schematic diagram of the commutator of the motor.

Detailed Description

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 to 22 illustrate a preferred embodiment of an automatic assembling device for a motor commutator according to the present invention. As shown in fig. 1 to 22, the automatic assembling device for the motor commutator comprises a frame 70, which is divided into a copper sheet assembling station 10, a mica sheet assembling station 20 and a sleeve assembling station 30; at least one index plate mechanism 50 is arranged below the rack, an auxiliary die 60 is arranged at the top of each index plate mechanism, and an index plate driver 51 is connected with each index plate mechanism; the lower part of the rack is further provided with a turntable 80 for sequentially rotating the auxiliary mold 60 on the index plate mechanism to the lower part of each station and a turntable driver 90 for driving the rotary disk to rotate, so that when the turntable 80 drives the index plate mechanism 10 to be located below the copper sheet assembling station 10, the copper sheet 100 is assembled in the auxiliary mold 60, when the index plate mechanism 10 is located below the mica sheet assembling station 20, the mica sheet 200 is assembled in the auxiliary mold 60, and when the index plate mechanism 10 is located below the sleeve assembling station 30, the copper sheet 100 and the mica sheet 200 in the auxiliary mold 60 are assembled in the sleeve 300 to form a motor commutator (as shown in fig. 23).

As shown in fig. 4, a plurality of copper sheet installation grooves 601 and a plurality of mica sheet installation grooves 602 are formed in the auxiliary mold 60, the copper sheet installation grooves 601 are arranged at intervals with the mica sheet installation grooves 602, a mica sheet installation groove 602 is formed between two adjacent copper sheet installation grooves 601, and a mica sheet installation groove 602 is formed between two adjacent copper sheet installation grooves 601, so that insulation between two adjacent copper sheets is ensured. The auxiliary die 60 comprises an outer cylinder 61 and an inner cylinder 62 sleeved in the outer cylinder, a gap is reserved between the inner cylinder 62 and the outer cylinder 61, and a copper sheet mounting groove 601 and a mica sheet mounting groove 602 are distributed on the outer wall of the inner cylinder around the center of the inner cylinder.

As shown in fig. 3, the index plate mechanism 50 is further connected to an index plate driver 51 for driving the auxiliary mold to rotate through a belt, after the copper sheets 100 or the mica sheets 200 are assembled in a part of the installation slots on the auxiliary mold 60, the index plate driver 51 may drive the index plate mechanism 50 to rotate by a certain angle, so that the installation slots on the auxiliary mold 60 that are not assembled are located below the installation openings of the copper sheet assembly station 10 or the mica sheet assembly station 20 to wait for the assembly again until the copper sheets 100 or the mica sheets 200 are assembled in each copper sheet installation slot 601 or mica sheet installation slot 602. The indexing disk drive 51 is a motor.

As shown in fig. 5 to 9, a copper sheet receiving assembly 11 for receiving a copper sheet and a first pressing assembly 12 for pressing the copper sheet in the receiving assembly into an auxiliary mold when an auxiliary mold on a turntable rotates to a position below the copper sheet assembling station are arranged in the copper sheet assembling station 10, after the copper sheet is conveyed to a position by an external feeding mechanism, the copper sheet receiving assembly 11 receives the copper sheet 100 and moves the copper sheet 100 to a position above the auxiliary mold 60 on the turntable 80, and the first pressing assembly 12 presses the copper sheet in the copper sheet receiving assembly 11 into the auxiliary mold 60.

The copper sheet receiving assembly 11 comprises a copper sheet receiving seat 111 and a copper sheet receiving driver 112 for driving the receiving seat to move, at least one copper sheet receiving slot 1111 for receiving a copper sheet is arranged in the copper sheet receiving seat 111, receiving is performed below the copper sheet receiving seat 111 located in an external feeding mechanism, and the copper sheet falls into the copper sheet receiving slot 1111. A first guide seat 113 is arranged above the copper sheet receiving seat 111, a guide through groove 1131 corresponding to the copper sheet receiving clamping groove 1111 in the copper sheet receiving seat 111 is arranged in the first guide seat 113, and a copper sheet loaded by the external loading mechanism firstly passes through the guide groove 1131 of the guide seat and then enters the copper sheet receiving clamping groove 1111 of the copper sheet receiving seat. Copper sheet receiving slot 1111 sets up at the outer tip of copper sheet material receiving seat 111 vertically, and copper sheet receiving slot 1111 is the opening groove, and copper sheet receiving slot 1111 and copper sheet phase-match make things convenient for the follow-up of copper sheet to press. The material receiving driver 112 is an air cylinder.

The first pressing component 12 comprises a first pressing driver 121 and a copper sheet pressing column 122 connected with the pressing driver and used for pressing a copper sheet in a receiving clamping groove 1111 to a mounting groove when the copper sheet receiving clamping groove 1111 in a copper sheet receiving seat is aligned with a copper sheet mounting groove 601 on the auxiliary die 60, so that after the copper sheet is received by the copper sheet receiving groove 1111 of the copper sheet receiving seat 111, the receiving driver 112 drives the copper sheet receiving seat to move to the upper side of the auxiliary die 60 in the index plate mechanism, the copper sheet receiving groove 1111 is aligned with the copper sheet mounting groove 601 on the auxiliary die 60, and the first pressing driver 121 drives the copper sheet pressing column 122 to press the copper sheet in the copper sheet receiving groove 1111 until the copper sheet is inserted into the copper sheet mounting groove 601 from the copper sheet receiving groove. It should be noted that the pressing head 1221 is provided on the pressing column 122 for pressing the copper sheet, and when pressing, the pressing head 1221 extends into the receiving groove 1111 for pressing the copper sheet into the mounting groove 601.

The copper sheet pressing component 12 further comprises a first support 123 located above the index plate, a copper sheet mounting opening 124 corresponding to the auxiliary mold is formed in a bottom plate 1231 of the first support 123, the first pressing driver 121 is arranged on a top plate 1232 of the support 123, the first pressing driver 121 is connected with a guide plate 1233, a guide shaft 1234 used for guiding the guide plate is arranged between the bottom plate and the top, and the first pressing column 122 is arranged below the guide plate 1233.

The first bracket bottom board 1231 is further provided with a channel 125 for allowing the receiving seat to slide, the channel 125 is communicated with the copper sheet mounting port 124, and the copper sheet receiving driver 112 drives the copper sheet receiving seat 111 to slide in the channel 135 and also limits the moving direction of the copper sheet receiving seat 111.

As shown in fig. 10 to 16, a slicing assembly 21 for cutting the introduced mica strips into mica sheets and a second pressing assembly 22 installed above the slicing assembly for pressing the mica sheets in the slicing assembly into the auxiliary mold are disposed in the mica sheet assembling station 20, the slicing assembly 21 includes a fixing base 211, a material guiding channel 2111 for guiding the mica strips is disposed on the fixing base, a mica sheet installation port 2112 and a slicing module 212 located in the installation port for cutting the introduced mica strips into the mica sheets 200 are disposed in the fixing base 211, the second pressing assembly 22 includes a mica sheet pressing column 221 and a second pressing driver 222 connected to the pressing column for driving the mica sheet pressing column 221 to descend when the auxiliary mold 60 is located below the mica sheet installation port so as to insert the mica sheets formed by the slicing module into the auxiliary mold 60, so that after the auxiliary mold 60 in the indexing plate mechanism 50 on the rotating plate 80 is completely assembled with the copper sheets 100, the turntable driver 90 rotates the dividing plate mechanism 50 on the turntable 80 to a position below the mica sheet assembling station 20; after the mica strips enter the material guide channel 2111, the mica strips are cut into mica sheets 200 by the slicing module 212, the auxiliary mold 60 is located below the installation through opening, the second pressing driver 222 drives the mica sheet pressing column 221 to descend, and the mica sheet pressing column 221 presses and assembles the mica sheets 200 in the slicing module 212 into the mica sheet installation groove 602 of the auxiliary mold 60.

The slicing module 212 includes a slicing die 2121 and a cutter 2122 matched with the slicing die, a blanking channel 212101 for blanking the mica sheets formed by the slicing die and the cutter is arranged in the slicing die 2121, and after the slicing die 2121 is matched with the cutter 2122 to cut the end of the mica strip into the required mica sheets 200, the mica sheet pressing column 221 extends into the blanking channel 212101 to press and assemble the mica sheets 200 into the auxiliary die 60.

The cutting die 2121 comprises a fixed die 21211 installed in the installation through hole, a movable die 21212 sleeved in the fixed die, and a forming die plate 21213 located in the movable die, an insertion channel 212111 for inserting the movable die and a cutter extending port 212112 for extending the cutter are arranged in the fixed die 21211, the fixed die and the front side wall of the movable die form a feeding channel 212102, the fixed die 21211 is provided with a feeding hole 212113 communicated with the feeding channel and a guiding channel, a blanking channel 212101 for sliding the pressing column is formed in the movable die 21212, the forming die plate 21213 is placed in the blanking channel 212101, the blanking channel 212101 is communicated with the cutter extending port 212112, the mica strip passes through the guiding channel 2111 and passes through the feeding hole 212113 and the feeding channel 212101 to be located in front of the forming die plate 21213, the cutter 2122 extends into the cutter extending port 212112 to be matched with the forming die plate 21213 to cut off the end of the mica strip to form a mica sheet 200, and the mica sheet 200 enters the blanking channel 212101 in the cutting process, the mica sheet pressing column is convenient to press.

The forming template 21213 is provided with a sheet opening 212131 for punching by extending a cutter into a cutter extending inlet when the end of the mica strip is positioned in front of the forming template, a groove 212132 for butt joint with a blanking channel is formed on the rear side of the forming template, the groove 21213 is communicated with the blanking channel 212101, and the cutter extends into the cutter extending inlet 212112 to punch the end of the mica strip from the sheet opening into the groove 212132 to form the mica sheet 200.

The cutter 2122 is disposed at one end of the cutter seat 21221, a cutter slideway 2113 for the cutter seat to slide is disposed in the fixing seat 211, a return spring 2114 is further disposed at the other end of the fixing seat 211 and the cutter seat 21221, the cutter seat 21221 is connected to a cutter driver 21222 for driving the cutter seat to slide in the cutter slideway, and the cutter driver 21222 is used for driving the cutter seat 21221 to slide in the cutter slideway 2113 during cutting so as to control the cutter to perform punching. The cutter driver 21222 may be mounted on the frame.

The outside of fixing base 211 still is equipped with the direction subassembly 23 that is used for leading-in guide passageway with the mica tape, and every direction subassembly 23 corresponds with guide passageway 2111, and the direction subassembly includes the leading truck, is equipped with the action wheel in the leading truck and follows the driving wheel, and the action wheel is connected with the motor, follows the driving wheel setting on the balladeur train, and the balladeur train is connected with the balladeur train controller that is used for controlling the action wheel and follows the distance between the driving wheel, through the action wheel with follow the cooperation of driving wheel with lead-in.

The mica sheet pressing component 22 further comprises a second support 223 installed above the fixing seat, a bottom plate of the support is installed on the fixing seat 211, a bottom through hole 2231 corresponding to the installation through hole is formed in the bottom plate of the support, the pressing driver is arranged on a top plate of the support, the second pressing driver 222 is connected with a guide plate 2232, a guide shaft used for guiding the guide plate is arranged between the bottom plate and the top, and the mica sheet pressing column 221 is installed below the guide plate 2232.

In order to ensure that the mica sheet mounting groove 602 is aligned with the mica sheets 200 in the blanking channel 212101, a plurality of positioning holes 611 are formed in the outer cylinder 61 around the center of the outer cylinder, and positioning pins 22321 for positioning in cooperation with the positioning holes 611 before the mica sheets are inserted into the mica sheet mounting groove 602 are mounted on the guide plate 2232; the slicing die 2121 is provided with a through hole 212103 for the positioning pin to pass through, and the length of the positioning pin 22321 is longer than that of the mica sheet pressing column 221, so that before the mica sheet is pressed, the positioning pin 22321 firstly passes through the through hole 212103 on the slicing die and is inserted into the positioning hole 611 of the outer cylinder to ensure that the mica sheet mounting groove 602 is aligned with the mica sheet 200 in the blanking channel 212101.

It should be noted that, in order to improve the assembly efficiency of the mica sheets 200, two sets of the slicing modules 212 are disposed in the installation through opening 2112 of the fixing seat 211, correspondingly, two sides of the fixing seat are respectively used for guiding the mica strips into the material guiding channels 2111, and each material guiding channel 2111 corresponds to each slicing module 212 one by one; in the two slicing modules, the fixed dies 21211 and the movable dies 21212 are connected into a whole, and the two cutters 2122 are mounted at the end of one cutter holder 21221; correspondingly, two mica sheet pressing columns 221 are installed below the guide plate 2232, so that after two mica sheets 200 are formed by two sets of slicing modules at the same time, the two mica sheet pressing columns 221 can simultaneously press the two mica sheets into the auxiliary mold 60. In addition, for the convenience of installation, two mica sheets installed simultaneously are placed at an included angle of 180 degrees, so that the two sets of slicing modules and the two mica sheet pressing columns are symmetrically arranged at 180 degrees.

As shown in fig. 17 to 22, a sleeve assembly station 31 for receiving the sleeve, a shift assembly 32 for moving the copper sheets and the mica sheets in the auxiliary mold above the sleeve assembly station, and a third press assembly 33 for pressing the semi-finished product moved by the shift assembly above the sleeve into the sleeve of the sleeve assembly station are arranged in the sleeve assembly station 30, the auxiliary mold 60 containing the copper sheets and the mica sheets is rotated by the turntable 80 to the lower side of the sleeve assembly station 30, the sleeve 300 is located at the sleeve assembly station 31, the shift assembly 32 transfers the copper sheets and the mica sheets in the auxiliary mold 60 to the upper side of the sleeve 300, and the third press assembly 33 presses the copper sheets and the mica sheets into the sleeve 300 to form the motor commutator.

The index plate mechanism 50 is also internally provided with a jacking piece 52 for jacking the copper sheets and the mica sheets in the auxiliary die into the displacement assembly; the shift assembly 32 comprises a shift die 321 for receiving the semi-finished product and a shift driver 322 for driving the shift die to move; the third pressing component 33 includes a third pressing column 331 for pressing the semi-finished product in the shift die to the inner sleeve in the sleeve assembling position and a third pressing driver 332 for driving the pressing column to press, the auxiliary die 60 is located below the die 331, the lifting member 322 lifts the workpiece in the auxiliary die 3201 into the shift die 331, the shift driver 332 moves the shift die 331 to the upper side of the sleeve assembling position 31, and the third pressing driver 342 drives the third pressing column 341 to move downwards to press the workpiece in the shift die 331 into the sleeve 300, so as to form the assembled motor commutator.

The sleeve assembly position 31 is arranged in a sleeve trough 3101, the sleeve trough 3101 can be formed by a sleeve feeding slideway and a sleeve discharging slideway, and the sleeve assembly position 31 is formed at the joint position of the sleeve feeding slideway and the sleeve discharging slideway. A sleeve receiving position 3102 is further arranged on the sleeve trough 3101, the sleeve receiving position 3102 is arranged at a feeding port of the sleeve feeding slideway, a first pusher 31021 for pushing the sleeve at the sleeve receiving position 3102 to the sleeve assembling position 31 is arranged on one side of the sleeve receiving position, and after the sleeve 300 enters the sleeve receiving position 3102, the first pusher 31021 pushes the sleeve 300 to the sleeve assembling position 31 to wait for assembling. The sleeve receiving position 3102 is vertically stacked in the sleeve receiving barrel, the sleeve 300 at the bottommost layer falls to the sleeve receiving position 3102, when the first pusher 31021 pushes the sleeve 300 in the sleeve receiving position 3102 to the sleeve assembling position 31, the sleeve 300 at the penultimate layer falls to form the sleeve 300 at the bottommost layer, and then falls to the sleeve assembling position 31.

One side of sleeve equipment position 31 is equipped with the second pusher 311 that is used for going out the sleeve propelling movement of accomplishing the equipment, and the discharge port shape complete set section of thick bamboo that sleeve ejection of compact slide goes out the material level, presses the work piece to sleeve 300 back, and the sleeve that second pusher 311 will be accomplished the equipment is followed sleeve equipment position 31 propelling movement to sleeve and is gone out the material level, makes things convenient for the ejection of compact.

The jacking part 52 comprises a jacking seat 521 positioned below the auxiliary die 60 and a jacking driver 522 connected with the jacking seat 521, when the auxiliary die 60 is positioned in a preset sleeve assembling station, the shifting die 331 corresponds to the auxiliary die 60, the jacking driver 522 drives the jacking seat 521 to ascend, a workpiece in the auxiliary die 60 is completely jacked into the shifting die 321, the workpiece is transferred into the shifting die 321 from the auxiliary die 60, and the copper sheets 100 and the mica sheets 200 which are encircled into a circular shape can not scatter.

The shifting assembly 32 and the pressing assembly 33 are both arranged on a third support 34, a sliding rail 341 and a sliding seat 342 matched with the sliding rail 341 are arranged in the third support 34, the shifting die 321 is arranged below the sliding seat 342, the sliding seat 342 is connected with a shifting driver 322, the sliding seat 342 is provided with a through hole 3421 for the third pressing column 331 to pass through, the shifting driver 322 is arranged at one side of the support, a third pressing driver 332 is arranged on the support 34, after a workpiece is arranged in the shifting die 331, the shifting driver 322 drives the sliding seat 342 to slide to the upper side of the sleeve assembling position 31 along the sliding rail 341, and the third pressing driver 332 drives the third pressing column 331 to move downwards to press the workpiece in the shifting die 321 into the sleeve 300 in the sleeve assembling position 31; after the workpiece is pressed down, the third pressing driver 332 drives the third pressing column 331 to return to the original position, and the displacement driver 322 drives the sliding base 342 to return to the position waiting for loading the workpiece along the sliding rail 341. Both the displacement assembly 32 and the pressing assembly 33 are mounted to the frame 70 by the bracket 34, and the sleeve chute 3101 is mounted to the frame 70.

In a preferred embodiment, the slide 342 is further provided with a fixed cylinder 343, the third pressing column 331 is disposed in the fixed cylinder 343, such that when the workpiece is lifted up into the shifting mold 321, the third pressing column 331 is located in the fixed sleeve, the third pressing column 331 is separated from the third pressing driver 332, and when the slide 342 drives the shifting mold 321 to move above the sleeve assembling position 31, the driving rod in the third pressing driver 332 extends until the third pressing column 331 in the fixed cylinder 343 is pressed, the driving rod continues to extend, the third pressing column 331 gradually descends from the fixed cylinder 353 into the shifting mold 331, and presses the workpiece in the shifting mold 331 into the sleeve 300 in the sleeve assembling position 31; when the slide 352 drives the pressing column 341 in the shifting mold 331 to move to the workpiece loading position, the pressing column 341 in the shifting mold is lifted into the fixed cylinder 353 when the workpiece is lifted into the shifting mold 331, so as to facilitate the next pressing.

The support 35 is further provided with a positioning driver 354 which is used for pressing the pressing column in the fixed cylinder when the jacking assembly jacks the semi-finished product into the shifting die, the positioning driver 354 and the pressing driver 342 are mounted on the support 35 side by side, when the workpiece is jacked into the shifting die 331, in the process of jacking the downward-moving pressing column 341 to the fixed cylinder 353, a driving rod of the positioning driver 354 extends out of the fixed cylinder 353, and the pressing column 341 can be prevented from falling off from the fixed cylinder 353.

As a preferred embodiment, 24 copper sheet installation grooves 601 and 24 mica sheet installation grooves 602 are arranged in the auxiliary mold 60; in order to improve the working efficiency, 4 vertical material receiving grooves 1111 are arranged in the copper sheet material receiving seat 111, the 4 material receiving grooves 1111 are arranged in an arc shape of 60 degrees, and the first pressing driver 121 drives the first pressing column 122 to press 4 copper sheets into the copper sheet mounting grooves 601, so that 24 copper sheet mounting grooves 601 in the auxiliary die 60 can be mounted into the copper sheet mounting grooves 601 after 6 times of pressing; the rack 70 can be provided with two mica sheet installation stations, 12 mica sheets are installed in the first mica sheet installation station 20, another 12 mica sheets are installed in the second mica sheet installation station 20, each mica sheet installation station 20 can be simultaneously provided with 2 mica sheets, and when each mica sheet installation station 20 is provided with 12 mica sheets 200, the second pressing driver 222 drives the two mica sheets to press the pressing column 221 for 6 times, so that the assembly of 12 mica sheets can be completed; the auxiliary mold 60, which is used for assembling the copper sheets and the mica sheets, completes the sleeve assembly at the sleeve mounting station 30; the turntable 80 is provided with 4 index plate mechanisms 50, and when the turntable 80 rotates 90 degrees, one index plate mechanism 50 is arranged below each station, so that the turntable 80 drives the auxiliary die 60 to rotate for one circle, and the assembly of one motor commutator can be completed.

Taking the auxiliary mold 60 with 24 copper sheet mounting slots 601 and 24 mica sheet mounting slots 602 as an example, the specific assembling process of the motor commutator is as follows: 1) the turntable 80 drives an index plate mechanism 50 to rotate to the position below the copper sheet mounting station 10; 2) the copper sheet receiving seat 111 can receive 4 copper sheets at a time, the copper sheets 100 are vertically arranged at the outer end of the copper sheet receiving seat 111 along a 60-degree arc, the receiving driver 112 drives the copper sheet receiving seat 111 to move to the upper side of the auxiliary die 60 in the index plate mechanism 50 along a channel, the 4 copper sheet receiving grooves 1111 are aligned with the 4 copper sheet mounting grooves 601 on the auxiliary die 60, the first pressing driver 121 drives the first pressing column 122 to press the 4 copper sheets into the copper sheet mounting grooves 601, then the index plate driver 51 drives the index plate mechanism 50 to rotate by 60 degrees, so that the other 4 copper sheet mounting grooves 601 which do not receive the copper sheets are positioned below the copper sheet mounting port 124 to wait for assembly; until the pressing is carried out for 6 times, the copper sheets 100 are assembled in the 24 copper sheet installation grooves 601 in the auxiliary die 60, and the assembly of the copper sheets is finished; 3) the turntable 80 drives the index plate mechanism 50 to rotate 90 degrees to the position below the first mica sheet installation station 10, and the two empty mica sheet installation grooves 602 on the index plate mechanism 231 are respectively aligned with the two blanking channels 212101 in the fixed seat 211; 4) the two mica tapes respectively pass through the material guide channel 2111 and pass through the feeding port 212113 and the feeding channel 212101, and the end parts of the two mica tapes are positioned in front of the forming template 21213; the cutter driver 21222 drives the cutter seat 21221 to slide on the cutter slideway 2113, the two cutters 2122 on the cutter seat 21221 are matched with the sheet openings 212131 of the forming template 21213 to simultaneously cut the ends of the two mica tapes, and the cut mica sheets 200 enter the grooves 212132 of the forming template 21213; the second pressing driver 222 drives the guide plate 2232 to descend, and the positioning pins 22321 on the guide plate 2232 gradually enter the through holes 212103 on the slicing die; the positioning pin 22321 penetrates through the through hole 212103 of the slicing die and is inserted into the positioning hole 3011 of the outer cylinder, the mica sheet pressing column 221 enters the blanking channel 212101 to press the mica sheet 200, so that the mica sheet is pressed from the blanking channel into the mica sheet mounting groove 602, the second pressing driver 222 drives the guide plate 2232 to ascend to drive the positioning pin 22321 to disengage from the positioning hole 611, and the mica sheet pressing column 221 ascends from the blanking channel 212101 until completely disengaging from the blanking channel 212101; the index plate driver 51 drives the auxiliary mold 60 in the index plate mechanism 50 to rotate for a certain angle, so that the other mica sheet mounting groove 602 is positioned below the mounting through hole to wait for mounting a mica sheet; until the second pressing driver 222 drives the two mica sheet pressing columns 221 to press for 6 times, the assembly of 12 mica sheets is completed; 5) the turntable 80 drives the index plate mechanism 50 to rotate 90 degrees to the position below the second mica sheet installation station 10, the two empty mica sheet installation grooves 602 on the index plate mechanism 231 are respectively aligned with the two blanking channels 212101 in the fixed seat 211, and the step 4 is repeated until the 24 mica sheet installation grooves 602 in the auxiliary mold 60 are all filled with mica sheets 200; 6) the turntable 80 drives the index plate mechanism 50 to rotate 90 degrees to the sleeve assembling station 30, the auxiliary mold 60 is positioned below the shifting mold 321, and the shifting mold 321 corresponds to the auxiliary mold 60; 7) the sleeve 300 at the bottommost layer falls to the sleeve receiving position 3102, and the sleeve 300 is pushed to the sleeve assembling position 31 at the sleeve receiving position 3102 by the first pusher 31021; the lifting driver 522 in the index plate mechanism 50 drives the lifting seat 521 to ascend, so that the workpieces in the auxiliary die 60 are completely lifted into the shifting die 331, and the third pressing column 331 in the shifting die is lifted into the fixed cylinder 343; the third pressing driver 332 drives the third pressing column 331 to move downwards to press the workpiece in the shifting die 321 into the sleeve 300 in the sleeve assembling position 31; the second pusher 311 on one side of the sleeve assembly position 31 pushes the assembled sleeve from the sleeve assembly position 31 to a sleeve discharge position; the slide 342 then drives the pressing column 341 in the shifting mold 321 to return to the position ready for loading the workpiece, and waits for the next loading of the workpiece.

In summary, the technical solutions of the present invention can fully and effectively achieve the above objects, and the structural and functional principles of the present invention have been fully verified in the embodiments, so as to achieve the expected efficacy and objects, and various changes or modifications can be made to the embodiments of the present invention without departing from the principles and spirit of the present invention. Accordingly, this invention includes all modifications encompassed within the scope of the claims appended hereto, and any equivalents thereof which fall within the scope of the claims appended hereto.

Claims

1. An automatic assembling device of a motor commutator is characterized by comprising a rack, wherein the rack is divided into a copper sheet assembling station, a mica sheet assembling station and a sleeve assembling station; at least one index plate mechanism is arranged below the rack, an auxiliary die is arranged at the top of each index plate mechanism, and the index plate mechanism is also connected with an index plate driver; a turntable used for sequentially rotating the auxiliary dies on the index plate mechanism to the positions below the stations and a turntable driver used for driving the turntable to rotate are arranged below the frame; a copper sheet receiving assembly for receiving a copper sheet and a first pressing assembly for pressing the copper sheet in the receiving assembly into an auxiliary mold when the auxiliary mold on the turntable rotates below the copper sheet assembling station are arranged in the copper sheet assembling station; a cutting assembly used for cutting the introduced mica strips into mica sheets and a second pressing assembly arranged above the cutting assembly and used for pressing the mica sheets in the cutting assembly into the auxiliary die are arranged in the mica sheet assembling station; the sleeve assembling station is internally provided with a sleeve assembling position for receiving the sleeve, a shifting assembly for moving the copper sheets and the mica sheets in the auxiliary die to the position above the sleeve assembling position, and a third pressing assembly for pressing the semi-finished product moved by the shifting assembly to the position above the sleeve into the sleeve of the sleeve assembling position.

2. The automatic assembling device of a motor commutator according to claim 1, characterized in that: the auxiliary die is internally provided with a plurality of copper sheet mounting grooves arranged around the center and a plurality of mica sheet mounting grooves arranged around the center, the copper sheet mounting grooves and the mica sheet mounting grooves are arranged at intervals, and a mica sheet mounting groove is arranged between every two adjacent copper sheet mounting grooves.

3. The automatic assembling device of a motor commutator according to claim 2, characterized in that: the copper sheet receiving assembly comprises a copper sheet receiving seat and a copper sheet receiving driver for driving the receiving seat to move, and at least one copper sheet receiving clamping groove for receiving a copper sheet is formed in the copper sheet receiving seat; the first pressing assembly comprises a first pressing driver and a first pressing column which is connected with the pressing driver and used for pressing a copper sheet in the receiving clamping groove to the mounting groove when the receiving clamping groove in the receiving seat is aligned with the copper sheet mounting groove in the auxiliary die.

4. The automatic assembling device of a motor commutator according to claim 3, characterized in that: the first pressing assembly further comprises a first support arranged on the rack, a copper sheet mounting opening corresponding to the auxiliary die is formed in a bottom plate of the first support, the pressing driver is arranged on a top plate of the support and connected with a guide plate, a guide shaft for guiding the guide plate is arranged between the bottom plate and the top, and a copper sheet pressing column is arranged below the guide plate; the bottom plate of the first support is also provided with a channel for the material receiving seat to slide, and the channel is communicated with the copper sheet mounting port.

5. The automatic assembling device of a motor commutator according to claim 2, characterized in that: the mica strip cutting device comprises a cutting assembly and a cutting module, wherein the cutting assembly comprises a fixed seat, a material guide channel for guiding mica strips is arranged on the fixed seat, an installation through hole and a cutting module which is positioned in the installation through hole and used for cutting the guided mica strips into mica sheets are arranged in the fixed seat, the cutting module comprises a cutting die and a cutter matched with the cutting die, and a blanking channel for blanking the mica sheets formed by the cutting die and the cutter is arranged in the cutting die; the second presses the subassembly to include the second press the post and with press the post to be connected and be used for when the auxiliary mold is in installation opening below the drive mica sheet press the post descend with the mica sheet that will cut into slices the module and form inserts the second in the mica sheet mounting groove and press the driver.

6. The automatic assembling device of a motor commutator according to claim 5, characterized in that: the sheet cutting die comprises a fixed die arranged in the through hole, a movable die sleeved in the fixed die and a forming die plate positioned in the movable die, wherein an inserting channel for inserting the movable die and a cutter extending inlet for extending a cutter into a forming mica sheet matched with the forming die plate are arranged in the fixed die; the forming template is provided with a sheet opening used for punching when the end part of the mica strip is positioned in front of the forming template, the cutter extends into the cutter extending opening, a groove used for butt joint with the blanking channel and formed is formed at the rear side of the forming template, and the groove is communicated with the blanking channel.

7. The automatic assembling device of a motor commutator according to claim 6, characterized in that: a pair of side walls of the fixed seat are respectively provided with a material guide channel, and two groups of slicing modules are arranged in the fixed seat; the fixed moulds in the two groups of slicing modules are connected into a whole, and the movable moulds are connected into a whole.

8. The automatic assembling device of a motor commutator according to claim 2, characterized in that: the inside of the index plate mechanism is also provided with a jacking piece used for jacking the copper sheets and the mica sheets in the auxiliary die into the displacement assembly; the shifting assembly comprises a shifting die for receiving the semi-finished product and a shifting driver for driving the shifting die to move; the third pressing assembly comprises a third pressing column and a third pressing driver, the third pressing column is used for pressing the semi-finished product in the shifting die to the inner sleeve in the sleeve assembling position, and the third pressing driver is used for driving the pressing column to press.

9. The automatic assembling device of a motor commutator according to claim 8, characterized in that: the shifting assembly and the pressing assembly are arranged on a third support, a sliding rail and a sliding seat matched with the sliding rail are arranged in the third support, the shifting die is arranged below the sliding seat, the sliding seat is connected with a shifting driver, a through hole for the pressing column to pass through is formed in the sliding seat, the shifting driver is arranged on one side of the support, and the pressing driver is arranged on the third support; the sliding seat is also provided with a fixed cylinder, and the pressing column is arranged in the fixed cylinder; and the third support is also provided with a positioning driver which is used for pressing the pressing column in the fixed cylinder when the jacking assembly jacks the semi-finished product into the shifting die.

10. The automatic assembling device of a motor commutator according to claim 1, characterized in that: the rack is divided into a copper sheet assembling station, two mica sheet assembling stations and a sleeve assembling station, and the four stations are distributed at 90-degree included angles; four index plate mechanisms are arranged on the rotary plate and distributed at 90-degree included angles, and each index plate mechanism is provided with an auxiliary die.