CN117183182A - Control method of automatic commutator production equipment - Google Patents

Abstract

A control method of automatic production equipment of a commutator comprises a reinforcing ring placement unit, a receiving unit, a powder weighing and matching unit and a pressing unit which are applied to the process, wherein powder enters the commutator during die assembly, is solidified into a sealing layer formed on the commutator under the condition of pressing down and heating, and the sealing layer is used for restraining the reinforcing ring from falling off. The invention has the beneficial effects that a set of processing method for the steering gear is formed, thereby saving the labor cost and improving the production efficiency; meanwhile, a pressurizing piece is arranged in the hydraulic control system and is used for pressurizing and supplementing liquid when the first pressurizing piece or the second pressurizing piece or the first pressurizing piece and the second pressurizing piece need to be pressurized, so that the first pressurizing piece and the second pressurizing piece are ensured to work normally.

Description

Control method of automatic commutator production equipment

Technical Field

The invention relates to the technical field of commutator production equipment, in particular to a control method of automatic commutator production equipment.

Background

The commutator is widely applied to electric tools and automobile motors, and the commutator segments of the commutator are reinforced by upper and lower reinforcing rings during production of the commutator, and spring bushings are arranged on the inner sides of the bakelite powder main bodies of the commutator to improve the mechanical strength and overspeed performance of the commutator.

Currently, there are many methods for controlling the flow of liquid. The commutator manufacturing process is provided with a very important process called a commutator injection molding process, the commutator injection molding process is to finish the combination of the commutator segments, the spring bushings and the bakelite powder through the pressing injection of the bakelite powder, a plurality of related auxiliary processes are arranged before and after the commutator injection molding process, a large number of working hours are consumed in the processes, the operation is complex and loose, the production efficiency is low, the labor intensity of workers is high, for the special-shaped commutator, as the structure of the commutator segments of the special-shaped commutator is different from that of the common commutator segments, the commutator segments of the special-shaped commutator are required to be fixed on a plastic core through rubber bands before production, reinforcing rings are arranged at the two ends of the commutator segments, and then the subsequent injection molding process is carried out, so that special production equipment and production technology are required to be adopted, and therefore, the special-shaped commutator special-purpose production equipment comprises a workbench 1, a guide plate 2, a positioning ring 3 for positioning the commutator segment group 9, a ring bushing 4 for fixing the special-shaped commutator segment group 9, a product 5 for clamping the ring bushing 4 in batches, a half-shaped flange block 11, a heating station 1, a heating station 14 and a die station 1 are arranged at the left side and a heating station 12 are arranged, and a heating station is arranged at the side of the workbench 1, and a heating station is provided in sequence mode of the heating station 1, and a station is provided. Although the special production equipment for the commutator can solve the production problem, each link needs to be combined with manual participation, so that the production efficiency is low.

Disclosure of Invention

The present invention is directed to solving the above-mentioned drawbacks of the prior art, and provides an automatic production device for a commutator and a control method thereof.

The invention solves the technical problems by adopting the technical scheme that: the automatic production equipment of the reverser comprises

The reinforcing ring placing unit is used for adding reinforcing rings into the commutator from the upper direction and the lower direction and reinforcing the added reinforcing rings; and

the receiving unit is positioned at the front end of the reinforcing ring placing unit and is used for receiving the commutator added by the reinforcing ring, sending the commutator to a transition plate arranged on the receiving unit until the commutator is fully filled with all placing positions arranged on the transition plate to finish pre-placing, pressing down the commutator after the pre-placing is finished, jacking the commutator after thermoplastic processing is finished, and discharging after jacking; and

the powder weighing and dispensing unit is positioned at the side part of the receiving unit and is used for weighing and dispensing the powder required by one-time processing; and

the material pressing unit is positioned between the receiving unit and the powder weighing and matching unit and is used for receiving the powder sent by the powder weighing and matching unit and the reverser sent by the receiving unit, the material pressing unit is provided with an upper template, a middle template and a lower template, the middle template moves to the lower part of the transition plate when the reverser is received and presses down the reverser through the receiving unit so that the reverser is pressed into the middle template, the mold is closed when the middle template is reset between the upper template and the lower template, the powder enters the reverser when the mold is closed, the powder is solidified into a sealing layer formed on the reverser under the pressing force and the heating, and the sealing layer is used for releasing and restraining the reinforcing ring.

Further perfecting, the reinforcing ring placing unit comprises a first frame, a rotary table, a first mounting frame and a first discharging track, wherein the rotary table is rotationally arranged on the first frame and is provided with a plurality of first stations, second stations, third stations, fourth stations and fifth stations which are arranged along the clockwise direction of the rotary table, the first mounting frame is arranged on the first frame and is provided with a diverter entering station pressing piece positioned above the first stations, an upper reinforcing ring feeding piece positioned at the second stations, an upper reinforcing ring pressing piece positioned at the third stations, a lower reinforcing ring feeding piece positioned at the fourth stations, a lower reinforcing ring pressing piece positioned at the fifth stations, a diverter leaving station pressing piece positioned at the fifth stations, and a reversing device arranged on the first frame and positioned below the diverter leaving station pressing piece.

Further perfecting, the first discharging track comprises a linear discharging part and an inclined guiding part, wherein the linear discharging part is arranged below a station positioned at the position of the commutator away from the station pressing part, and the inclined guiding part is fixed at the position of a discharging hole of the linear discharging part and extends to the receiving unit, and the outlet end of the inclined guiding part is positioned at the outlet end of the inclined guiding part.

Further perfecting, the receiving unit includes the second frame, the receiving piece, snatch the piece, the transition board guide piece, first stamping workpiece, first backup pad, the second ejection of compact track, the receiving piece sets up the position department that is located the below of slant guide part discharge end at the second frame, snatch the front end that the piece is located the receiving piece and set up in the top of transition board guide piece, the transition board guide piece sets up and is the transition board below the second frame and for the transition board, and the well die plate provides the removal direction after the receiving unit by the swager unit, first stamping workpiece sets up and has the lower casting die that is located the transition board top at the second frame, the transition board below is provided with the top piece at the second frame, first backup pad sets up the position department that is located transition board guide piece rear end at the second frame, and install the power supply that is used for driving the transition board to remove, the second ejection of compact track sets up in the second frame and is being close to the swager unit one side.

Further perfecting, the discharge hole of the receiving piece is provided with an arrangement plate which can arrange the commutator in a straight shape after the commutator is separated from the receiving piece.

The powder weighing and distributing unit comprises a third frame, a second mounting frame, a storage hopper, a powder feeding part, a weighing part, a pushing part, a distributing hopper and a blocking part, wherein the second mounting frame is arranged on the second frame and used for enabling the storage hopper to be located at a high position after the storage hopper is arranged, the powder feeding part is arranged on the second mounting frame and located below a discharge hole of the storage hopper, the weighing part is arranged on the third frame and located below the feeding part, the pushing part is arranged on the third frame and used for supplying the distributing hopper and the blocking part to be arranged, and the blocking part is used for removing blocking of the discharge hole of the distributing hopper when the distributing hopper reaches the pressing unit.

Further perfecting, the material pressing unit comprises a fourth frame, a die frame, a material chamber, a first material chamber guide piece, a second stamping part and a second supporting plate, wherein the die frame is arranged on the fourth frame, the first material chamber guide piece is movably arranged above the die frame and perpendicular to the moving direction of the middle die plate, the material chamber is movably arranged in the first material chamber guide piece, the second stamping part is arranged on the fourth frame and the driving end of the second stamping part is used for connecting the upper die plate, the upper die plate is arranged above the material chamber, the lower die plate is arranged in the die frame and is arranged below the material chamber to generate a preset interval, the middle die plate is arranged in the preset interval when the die is assembled, the second supporting plate is arranged on one side, close to the powder weighing and matching unit, of the fourth frame, and a power source for driving the middle die plate and the lower die plate to move is arranged.

Further perfects, still be provided with the clearance unit in the fourth frame, the clearance unit includes the base, second material room guide, the ejecting piece of waste material, the waste material snatchs piece, the third ejection of compact track, the base sets up in the fourth frame, the second material room guide sets up in the base top and is suitable for the removal length of extension material room with first material room guide cooperation, the ejecting piece of waste material sets up in the base and is located second material room guide below, the waste material snatchs the piece setting on the second material room guide, the third ejection of compact track sets up in the base one side that is close to the waste material and snatchs the piece.

Further perfecting, still be provided with the support frame that is located second backup pad relative position department in the fourth frame, install the power supply that is used for driving the lower bolster along the middle mould direction of movement in the second backup pad, the support frame has the position of prearranging and finally places the position, the below of prearranging is provided with the power supply that is in same level with the bottom surface of lower bolster and the bottom surface of finally placing the position with the lower bolster top, the lateral part is provided with the power supply that is in same level with the bottom surface of finally placing the position with the lower bolster when pushing to finally placing the position.

Further perfecting, the first stamping part and the second stamping part are connected with a hydraulic control system, the hydraulic control system is provided with a controller, a driver, a motor, a coding part, a power part, a control part, a pressurizing part and two pressure sensing parts, wherein the controller is electrically connected with the controller, the controller is electrically connected with the driver, the driver is electrically connected with the coding part and the two pressure sensing parts, the two pressure sensing parts are also electrically connected with the controller, the driver and the control part, the control part is respectively connected with the first stamping part, the second stamping part and the pressurizing part through connecting pipelines, the pressurizing part is respectively connected with the first stamping part and the second stamping part through oil way pipelines, and a branching device is arranged at a branching position of the oil way pipelines.

A control method for an automatic production device for applying the commutator of claim, comprising the following steps:

s1, the commutator is conveyed to a first station through a reversing conveying device;

s2, after the commutator enters a first station, a commutator entering station pressing piece presses down the commutator so that the commutator can go deep into the station, then a turntable rotates to enable the existing commutator to be changed to an upper reinforcing ring feeding piece, the station adjacent to the station but not provided with the commutator does not have repeated actions, the upper reinforcing ring feeding piece conveys the reinforcing ring into a dovetail groove at the upper end of the commutator, after finishing, the reinforcing ring is continuously transposed to the upper reinforcing ring pressing piece, the upper reinforcing ring pressing piece carries out expansion treatment on the dovetail groove to reinforce the commutator piece, after finishing, the upper reinforcing ring pressing piece continuously transposes to a lower reinforcing ring feeding piece and a lower reinforcing ring pressing piece, the lower reinforcing ring feeding piece conveys the reinforcing ring to the dovetail groove at the lower end of the commutator, at the moment, simultaneously starts to convey the reinforcing ring to the lower side of the commutator and carries out reinforcing treatment, after finishing reinforcing of the upper reinforcing ring and the lower reinforcing ring, the upper reinforcing ring is continuously transposed to a commutator leaving station pressing piece, the commutator leaving the station pressing piece presses down to enable the commutator to leave the station and fall into a first discharging track, and then the commutator is conveyed to the receiving piece through the first discharging track;

S3, the reverser entering the receiving piece is sent to a discharge hole of the reverser through extrusion, and enters the arrangement plate to be arranged in a straight line, at the moment, the grabbing piece grabs the reverser to send the reverser to the placement position of the transition plate to complete pre-placement, after the reverser is filled with all the placement positions arranged on the transition plate, the middle die plate is pushed to the lower part of the transition plate, then the first stamping part starts to press the reverser into the middle die plate by using the pressing piece, and after the reverser is completed, the middle die plate is retracted to the position between the upper die plate and the lower die plate;

s4, after the middle die plate is retracted between the upper die plate and the lower die plate, starting a powder feeding part, feeding powder into a weighing accessory for weighing, after weighing, moving a distributing hopper below the weighing accessory under the driving of a pushing part, opening a discharging hole of the weighing accessory, feeding the powder into the distributing hopper, pushing the distributing hopper to the central position of a material chamber under the driving of the pushing part, separating a blocking part from the discharging hole of the distributing hopper at the moment, feeding the powder into the material chamber, retracting the blocking part to the discharging hole of the distributing hopper after the action is completed, and retracting the distributing hopper to the initial position;

s5, after the powder is fed into the material chamber, the second stamping part is started at the moment, and the upper die plate is driven to be pressed into the material chamber, so that a molded solidification body which completely seals the reinforcing ring in the commutator is formed in the commutator;

S6, after the molding solidification body is completed, the middle mold is conveyed to the transition plate again, the transition plate moves to the position deviating from the initial position of the middle mold, then the upper ejector part ejects the commutator from the middle mold, the transition plate returns to the initial position after ejection, and the commutator separated from the middle mold is pushed to the second discharging track;

s7, when the equipment repeatedly acts, the material chamber moves to the position above the waste ejection piece, residues in a forming die hole of the material chamber are ejected through the waste ejection piece, then the waste grabbing piece is started, and the waste is transposed to a third discharging track;

s8, when the commutator with the bushing is required to be added is processed, the lower die plate is shifted to a final placement position, then the bushing is manually placed on a forming column of the lower die plate, and then the bushing is returned to the die frame and is fed into the commutator together when the molded solid is formed;

and S9, when the liquid supply is insufficient, the hydraulic control system controls the pressurizing piece to realize rapid liquid supply, so that the normal operation of the first stamping part and the second stamping part is ensured.

The beneficial effects of the invention are as follows:

according to the invention, the reinforcing ring placing unit, the receiving unit, the powder weighing and matching unit and the pressing unit form a set of automatic assembly line for processing the diverter, so that the labor cost is saved, and the production efficiency is improved; meanwhile, a pressurizing piece is arranged in the hydraulic control system and is used for pressurizing and supplementing liquid when the first pressurizing piece or the second pressurizing piece or the first pressurizing piece and the second pressurizing piece need to be pressurized, so that the first pressurizing piece and the second pressurizing piece are ensured to work normally.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the front face of the reinforcement ring placement unit of the present invention;

FIG. 3 is a schematic view showing a structure of a side surface of the reinforcement ring placement unit of the present invention;

FIG. 4 is a schematic view of a turntable according to the present invention;

FIG. 5 is a schematic diagram of the structure of the access unit of the present invention;

FIG. 6 is a schematic diagram of the powder proportioning unit of the present invention;

FIG. 7 is a schematic diagram of the front surface of the pressing unit of the present invention;

FIG. 8 is a schematic diagram of a side structure of a pressing unit according to the present invention;

FIG. 9 is a schematic diagram of a hydraulic control system of the present invention;

FIG. 10 is a schematic view of the construction of the plenum of the present invention;

FIG. 11 is a schematic view of the splitter of the present invention;

fig. 12 is a schematic view of the splitter of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1: the automatic production equipment of the reverser comprises

The reinforcing ring placing unit 1 is used for adding reinforcing rings into the commutator from the upper direction and the lower direction and reinforcing the added reinforcing rings; and

the receiving unit 2 is positioned at the front end of the reinforcing ring placing unit 1 and is used for receiving the commutator added by the reinforcing ring, sending the commutator to the transition plate 21 arranged on the receiving unit 2 until the commutator is full of all placing positions arranged on the transition plate 21 to finish pre-placing, allowing the commutator to be pressed down after the pre-placing is finished, jacking the commutator after the thermoplastic processing is finished, and discharging the commutator after jacking; and

A powder weighing and dispensing unit 3, which is positioned at the side part of the receiving unit 2 and is used for weighing and dispensing the powder required by one-time processing; and

the pressing unit 4 is located between the receiving unit 2 and the powder weighing and matching unit 3, and is used for receiving the powder sent by the powder weighing and matching unit 3 and the commutator sent by the receiving unit 2, the pressing unit 4 is provided with an upper template 41, a middle template 42 and a lower template 43, the middle template 42 moves to the lower part of the transition plate 21 when the commutator is received, the commutator is pressed into the middle template 42 by pressing down the commutator through the receiving unit 2, and when the middle template 42 is reset between the upper template 41 and the lower template 43, the mold is closed, and when the mold is closed, the powder enters the commutator, and when the mold is pressed down and heated, the powder is solidified into a sealing layer formed on the commutator, and the sealing layer is used for restraining the reinforcing ring from falling off. The principle of the invention is that a set of automatic assembly line for processing the steering gear is formed by the reinforcing ring placing unit 1, the receiving unit 2, the powder weighing and matching unit 3 and the pressing unit 4, thereby saving the labor cost and improving the production efficiency.

As shown in fig. 2, 3 and 4, the reinforcing ring placement unit 1 comprises a first frame 11, a turntable 12, a first mounting frame 13 and a first discharging rail 14, wherein the turntable 12 is rotatably arranged on the first frame 11 and is provided with a plurality of first stations 12-a, second stations 12-b, third stations 12-c, fourth stations 12-d and fifth stations 12-e which are arranged along the clockwise direction of the turntable 12, a plurality of stations are arranged to enable a plurality of commutators to be in a processing state at one time, a plurality of transition stations 12-f are arranged at the same time, the turntable 12 can switch stations by rotation, the first mounting frame 13 is arranged on the first frame 11 and is provided with a commutator entering station pressing part 15 positioned above the first stations 12-a, an upper reinforcing ring feeding part 16 positioned at the second stations 12-b, an upper reinforcing ring pressing part 161 positioned at the third stations 12-c, a lower reinforcing ring feeding part 17 and a lower reinforcing ring pressing part 171 positioned at the fourth stations 12-d, a commutator exiting station 18 positioned at the fifth stations 12-e, the first station 12-a is also provided with a conveying reversing device 19 arranged on the first frame 11, the first discharging track 14 is arranged on the first frame 11 and is positioned below the reversing device 18, when in use, the reversing device 19 firstly conveys the reversing device into the first station 12-a, and the conveying reversing device 19 comprises a conveyor belt 19-a, a first pushing rod 19-b arranged on the conveyor belt 19-a and taking an air cylinder as a power source, a second pushing rod 19-c arranged on one side of the conveyor belt 19-a and positioned at the front end of the first station 12-a and taking the air cylinder as a power source, a first pushing rod 19-c, the end of the second push rod 19-c is provided with a containing block 19-c1 for placing the commutator 19 therein, the first mounting frame 13 is provided with an adjusting pressure head 19-d which is positioned above the containing block 19-c1 and takes an air cylinder as a power source, the reversing device 19 not only has a conveying function, but also has an adjusting function for adjusting the position of the commutator, the position of a rubber ring sleeved on the commutator for increasing the integral structural strength of the commutator is also adjusted, the rubber ring is positioned in the middle area of the commutator, the commutator is not damaged in the subsequent reinforcing ring adding stage, the commutator entering position pressing piece 15 takes the air cylinder as a jacking component of the power source for taking the commutator into the first station 12-a, the upper reinforcing ring feeding piece 16 and the lower reinforcing ring feeding piece 17 are consistent in structure, the upper reinforcing ring pressing part 161 and the lower reinforcing ring pressing part 171 are the same in structure, the upper reinforcing ring pressing part 161 and the lower reinforcing ring pressing part 171 both comprise a top block which is used as a power source through the air cylinder, and a limiting pipe which is used for providing upper limit or lower limit for the commutator when the reinforcing ring is fixed in the hook grooves of the upper dovetail groove and the lower dovetail groove, and the two differences are that the upper reinforcing ring pressing part 161 and the upper reinforcing ring feeding part 16 are arranged in a dislocation way, and the lower reinforcing ring feeding part 17 and the lower reinforcing ring pressing part 171 are positioned at one place, one is because the reinforcement ring will enter the fastener from below, so the reinforcement ring is pushed into the commutator by the lower reinforcement ring press 171 as it is about to disengage from the shoe.

As shown in fig. 3 and 4, the first discharging track 14 includes a linear blanking portion 14-a and an oblique guiding portion 14-b, the linear blanking portion 14-a is disposed below a station located at the position where the commutator leaves the station pressing piece 18, the oblique guiding portion 14-b is fixed at a position of a discharging hole of the linear blanking portion 14-a and extends to the receiving unit 2, and an outlet end of the oblique guiding portion 14-b, so that the commutator can be prevented from hitting the first discharging track 14 when the commutator leaves the station, the placing posture of each commutator can be guaranteed to be uniform, the requirements of the mold cavity of the material chamber and the module of the lower template 43 can be met, the commutator can be directly guided to the receiving unit 2, the linear blanking portion 14-a is a circular tube matched with the commutator in size, and the oblique guiding portion 14-b is a rectangle with a width and a height which simultaneously meets the requirements of the commutator in size.

As shown in fig. 5, the receiving unit 2 comprises a second frame 22, a receiving piece 23, a grabbing piece 24, a transition plate guide piece 25, a first stamping piece 26, a first supporting plate 27 and a second discharging track 28, wherein the receiving piece 23 is arranged at a position of the second frame 22 below a discharging end of the inclined guide part 191-b, the receiving piece 23 comprises a disc frame 23-a, a swinging arm 23-b which is rotatably arranged in the disc frame 23-a by taking a motor as a power source and takes an S shape, the swinging arm 23-b is utilized to push a commutator to a discharging hole of the disc frame 23-a, an arranging plate 23-a which can arrange the commutator in a straight shape after the commutator is separated from the receiving piece 23 is arranged at the discharging hole of the receiving piece 23, the grabbing piece 24 is arranged at the front end of the receiving piece 23 and above the transition plate guide piece 25, the gripping member 24 comprises a gripping jaw 24-a, a first driving arm 24-b for effecting movement of the gripping jaw in the Z-direction, Y-direction, whereby the commutator is placed in the place of the transition plate 21 in such a manner that the gripping jaw 24-a grips, a transition plate guide 25 is provided below the second frame 22 below the first pressing member 26 and provides a moving guide for the transition plate 21 and the intermediate plate 42 after passing from the blanking unit 4 to the access unit 2, the transition plate guide 25 has two guide tracks distributed up and down, whereby the moving requirements of the transition plate 21 and the intermediate plate 42 are met, and the object is not only the moving guide, the first pressing member 26 is provided above the transition plate 21 in the second frame 22 and has a lower pressing member 26-a above the transition plate 21, an upper pressing member 29 is provided below the transition plate 21 in the second frame 22, the guiding track can also provide supporting effect for the transition plate 21 and the middle die plate 42 when the commutator passes through the transition plate 21 to the middle die plate 42 and the upper top piece 29 to push out the machined commutator from the middle die plate 42, the impact of stamping on the transition plate 21 and the middle die plate 42 is avoided, the first supporting plate 27 is arranged at the position of the second frame 22 at the rear end of the transition plate guiding piece 25, a power source for driving the transition plate 21 to move is arranged, the driving of the transition plate 21 mainly aims at meeting the requirements that the commutator is placed on the transition plate 21 and the commutator is required to be subjected to material processing when machining is finished, and the movement of the transition plate 21 is utilized to compensate the movement defect of the grabbing piece 24 in the X direction because the grabbing piece 24 can only move in the Z direction and the Y direction, the second discharging track 28 is arranged on the side of the second frame 22 close to the material pressing unit 4, and the second discharging track 28 is used for guiding the commutator to be uniformly collected after discharging.

As shown in fig. 6, the powder weighing and dispensing unit 3 includes a third frame 31, a second mounting frame 32, a reserve hopper 33, a powder feeding member 34, a weighing accessory 35, a pushing member 36, a distributing hopper 37, and a blocking member 38, wherein the second mounting frame 32 is arranged on the second frame 31 and is provided with the reserve hopper 33 so that the reserve hopper 33 is positioned at a high position after the reserve hopper 33 is mounted, the powder feeding member 34 is arranged on the second mounting frame 32 and is positioned below a discharge hole of the reserve hopper 33, the powder feeding member 34 is a screw conveyor, the weighing accessory 35 is arranged on the third frame 31 and is positioned below the powder feeding member 34, the weighing accessory 35 is a container, and a weighing sensor for detecting weight is arranged in the container, so that the powder feeding machine 34 stops conveying after the weight of the electric wood powder falling into the weighing accessory 35 reaches a preset value, the pushing member 36 is arranged on the third frame 31 and is provided with a distributing hopper 37 and a blocking member 38, the pushing member 36 comprises a side plate 36-a, a guide rail 36-b, a sliding block 36-c, a connecting plate 36-d, a sliding plate 36-e and a bottom guide seat 36-f, the bottom guide seat 36-f is used for increasing the stability of the sliding plate 36-e in sliding, the side plate 36-a is arranged on the side part of the sliding plate 36-e and is provided with the guide rail 36-b, the sliding block 36-c slides on the guide rail 36-b, the connecting plate 36-d is fixed at one end on the sliding block 36-c and at the other end on the sliding plate 36-e, the blocking member 38 is used for removing the blocking of the discharging hole of the distributing hopper 37 when the distributing hopper 37 reaches the pressing unit 4, the blocking member 38 comprises a blocking plate 38-a which takes full use area through a cylinder as a power source, thus, the device can be completely blocked when acting on the discharge hole of the distributing hopper 37, is quite convenient to separate, and can be used for separating the cylinder driving baffle 38-a.

As shown in fig. 7 and 8, the pressing unit 4 includes a fourth frame 44, a die frame 45, a material chamber 46, a first material chamber guide 47, a second stamping part 48, and a second support plate 49, the die frame 45 is disposed on the fourth frame 44, the first material chamber guide 47 is movably disposed above the die frame 45 and perpendicular to the moving direction of the middle die plate 42, the principle and structure of the first material chamber guide 46 are consistent with those of the transition plate guide 25, the material chamber 46 is moved in the first material chamber guide 47, the material chamber 46 is used for receiving the bakelite powder fed by the distributing hopper 37 and has a die cavity formed after the bakelite powder is solidified, the second stamping part 48 is disposed on the fourth frame 44 and has a driving end connected with the upper die plate 41, the upper die plate 41 is disposed above the material chamber 46, the lower die plate 43 is disposed in the die frame 45 and is disposed below the material chamber 46, the middle die plate 42 is disposed in the preset space when the lower die plate 43 is disposed with a forming post formed after the bakelite powder is solidified, the second support plate 49 is disposed on the side of the fourth frame 44 close to the powder distributing unit 3 and is mounted with the driving force for driving the lower die plate 43.

The fourth frame 44 is further provided with a cleaning unit 5, the cleaning unit 5 comprises a base 51, a second material chamber guide 52, a waste ejection member 53, a waste grabbing member 54 and a third discharging track 55, the base 51 is arranged on the fourth frame 44, the second material chamber guide 52 is arranged above the base 51 and is suitable for being matched with the first material chamber guide 54 to prolong the moving length of the material chamber 46, the principle and structure of the second material chamber guide 52 are consistent with those of the first material chamber guide 46, the waste ejection member 53 is arranged on the base 51 and is positioned below the second material chamber guide 52, the waste ejection member comprises a mounting plate which takes an air cylinder as a power source, a thimble arranged on the mounting plate, the thimble, the waste grabbing piece 54 is arranged on the second material chamber guiding piece 52, the waste grabbing piece comprises a plurality of suckers 54-a and a second driving arm 54-b for realizing the movement of the suckers 54-a in the Z direction and the Y direction, so that waste is pumped out of the material chamber 46 in a suction mode of the suckers 54-a, and because the waste grabbing piece 54 can only move in the Z direction and the X direction, the movement of the material chamber 46 is utilized to compensate the movement deficiency of the waste grabbing piece 54 in the Y direction, the second discharging track 28 is arranged on one side of the second frame 22 close to the material pressing unit 4, the second discharging track 28 is used for guiding the reverser to discharge and then uniformly collecting the third discharging track 55 is arranged on one side of the base 51 close to the waste grabbing piece 54, and the third discharging track 55 is used for guiding the bakelite powder waste to a designated area for uniform collection.

The fourth stand 44 is further provided with a supporting frame 6 positioned at the opposite position of the second supporting plate 49, the second supporting plate 49 is provided with a power source for driving the lower template 43 to move along the moving direction of the middle template 42, the supporting frame 6 is provided with a pre-placing position 61 and a final placing position 62, a power source for pushing the lower template 43 to the bottom surface of the lower template 43 at the same level as the bottom surface of the final placing position 62 is arranged below the pre-placing position 61, a power source for pushing the lower template 43 to the final placing position 62 is arranged at the side part when the lower template 43 and the bottom surface of the final placing position 62 are at the same level, and the arrangement of the part is mainly that when a commutator with a bushing is required to be processed, the lower template 43 is transposed to the final placing position 62, then the bushing is placed on a forming column of the lower template 43 by manpower, then returns to the die frame 45 and is fed into the commutator together when the forming die sets.

As shown in fig. 9, the first stamping part 26 and the second stamping part 48 are connected together to form a hydraulic control system, the hydraulic control system is provided with a controller 71, a controller 72, a driver 73, a motor 74, a coding part 75, a power part 76, a control part 77, a pressurizing part 78, two pressure sensing parts 79 and a box 9, the controller 71 is electrically connected with the controller 72, and the controller 71 is provided with preset values, namely a pressure preset value and a flow preset value, and the preset values are sent to the controller 72 through communication of an RS 232; the controller 72 is electrically connected with the driver 73 and sends a preset value to the driver 73; the driver 73 is electrically connected with the encoding part 75 and the two pressure sensing parts 79, receives the rotating speed signal of the motor 74 and the pressure signals of the first stamping part 26 and the second stamping part 48 reflected by the control part 77, which are acquired by the encoder 75, and compares the rotating speed signal and the pressure signal with preset values, generates a control signal for adjusting the rotating speed of the motor 74 according to the comparison result, and changes the speed and the position of the motor 74 according to the production condition in real time; the two pressure sensing members 79 are also electrically connected with the controller 72 and the control member 77, the pressure signals of the first stamping part 26 and the second stamping part 48 are sent to the controller 72, the controller 72 compares the pressure signals with a pressure preset value, a control signal for controlling the power member 76 is generated according to the comparison result, and the control member 77 realizes three modes of distributing liquid to the first stamping part 26 or the second stamping part 48 or the first stamping part 26 and the second stamping part 48 according to the information fed back by the control signal; the control element 77 is connected to the first stamping element 26, the second stamping element 48 and the pressurizing element 78 via connecting lines, the pressurizing element 78 is connected to the first stamping element 26 and the second stamping element 48 via oil lines, the control element 77 is used for distributing the direction of the liquid, namely, the control element 77 directly conveys the liquid to the first stamping element 26 or the second stamping element 48 or the first stamping element 26 and the second stamping element 48 under the condition of normal replenishment of the liquid pressure, when the liquid pressure is low (< 60 bar), the pressurizing element 77 is started at this time, and a branching device 8 is arranged at the branching position of the oil lines, and the branching device 8 enables the liquid to be conveyed to the first stamping element 26 and the second stamping element 48 in three modes of distributing the liquid to the first stamping element 26 or the second stamping element 48 or the first stamping element 26 and the second stamping element 48, and simultaneously, when the liquid pressure is high (> 60 bar) the control element 77 can reduce the conveying amount of the liquid even when the liquid is unloaded.

As shown in fig. 10, the pressurizing member 78 includes a liquid passing portion 78-a, a driving portion 78-b, and a pressurizing portion 78-c, the liquid passing portion 78-a includes a first housing 78-a1, a constraining cavity 78-a11 disposed in the first housing 78-a1, and a first moving plug 78-a2 sliding in the constraining cavity 78-a11, and the constraining cavity 78-a11 is further provided with a first liquid inlet 78-a111 and a first liquid outlet 78-a112 in the first housing 78-a1, which are communicated with each other; the driving part 78-b comprises a rotating seat 78-b1 and a driving rod 78-b2 eccentrically arranged on the rotating seat 78-b1, wherein the driving rod 78-b2 extends to the restraining cavity 78-a11 to be connected with the first movable plug 78-a 2; the pressurizing part 78-c includes a second housing 78-c1, a first power chamber 78-c11 provided in the second housing 78-c1, a second movable stopper 78-c2 slid in the first power chamber 78-c11, a third housing 78-c3, a second power chamber 78-c31 provided in the third housing 78-c3, a third movable stopper 78-c4 slid in the second power chamber 78-c31, the second housing 78-c1 is combined with the third housing 78-c3, a first check valve 78-c41 is fixed to one end of a piston rod of the third movable stopper 78-c4, the first check valve 78-c21 is connected with the third movable stopper 78-c4 through a connecting ring first check valve 78-c211, and a piston rod of the third movable stopper 78-c4 is provided with a second check valve 78-c42 in the third housing 78-c 3. The principle is that when pressurization is needed, the third movable plug 78-c4 moves, the first check valve 78-c41 is driven by the piston rod to move, the second movable plug 78-c2 moves simultaneously under the connection constraint of the connecting ring and the second movable plug 78-c2 and the first check valve 78-c41, meanwhile, the outer surfaces of the second movable plug 78-c2 and the third movable plug 78-c4 are both provided with rubber jackets which can be extruded during movement, so that sealing can be formed, the third movable plug 78-c4 moves, the air pressure in the second power cavity 78-c31 is reduced, liquid enters the second power cavity 78-c31 from the inlet 78-c32 to realize liquid pumping, and the first movable plug 78-c2 moves at a speed which is lower than the speed of the first check valve 78-c41 which moves coaxially and in the same direction, and the second movable plug 78-c2 is separated from the matching surface to form a gap through which liquid can pass, and the liquid is firstly introduced into the first power cavity 78-c11 through the second power cavity 78-c2 along with the movement, and the liquid is conveyed by the first power cavity 78-c11 and the second power cavity 78-c2 is positioned in the gap 11; if the pressure in first punch 26 or second punch 48 or both first punch 26 and second punch 48 is less than the internal pressure of second power chamber 78-c31, a spring-loaded floating ball plunger 78-c121 disposed within outlet 78-c12 of first power chamber 78-c11 will open between the pressure in first power chamber 78-c11 and the pressure in first power chamber 78-c11 is reduced to overcome the spring force of the spring of floating ball plunger 78-c121, fluid flows directly into one punch 26 or second punch 48 or both first punch 26 and second punch 48 to achieve a rapid pressurization, after entering restriction chamber 78-a11, second check valve 78-c22 is used to direct fluid back to second power chamber 78-c31 as it is delivered from second power chamber 78-c31 to first power chamber 78-c11, the first check valve 78-c211 is identical in principle to the second check valve 78-c22 to prevent liquid from flowing back into the first power chamber 78-c11, and after the liquid enters the constraint chamber 78-a11, the motor drives the rotary seat 78-b1 to rotate, the rotation angle of the rotary seat 78-b1 is related to the moving distance of the driving rod 78-b2 and also related to the opening width of the first movable plug 78-a2 in the constraint chamber 78-a11, after the first movable plug 78-a2 is opened, the liquid flows through the constraint chamber 78-a11 to the first liquid outlet 78-a112, and the first liquid outlet 78-a112 is connected with an oil pipeline and then distributed to the first stamping part 26 or the second stamping part 48 or the first stamping part 26 and the second stamping part 48.

As shown in fig. 11 and 12, the branching device 8 comprises a valve body 81 and a valve core 82, wherein the valve body 81 comprises a first branching cavity 81-a and a second branching cavity 81-b, the first branching cavity 81-a and the second branching cavity 81-b are connected through an intermediate valve body, the first branching cavity 81-a is provided with an inlet and an outlet, the second branching cavity 81-b is provided with an inlet and an outlet, the valve core 82 comprises a first closing stop 82-a positioned in the first branching cavity 81-a and a second closing stop 82-b positioned in the second branching cavity 81-b, the first closing stop 82-a and the second closing stop 82-b are connected through a valve rod 83, the valve rod 83 is at least partially covered in the intermediate valve body, the valve core 82 is further provided with a liquid passage 82-c, and the liquid passage 82-c sequentially penetrates through the first closing stop 82-a, the valve rod 83 and the second closing stop 82-b; the inlet of the first branching chamber 81-a communicates with the running liquid passage 82-c, and the outlet of the second branching chamber 81-b communicates with the running liquid passage 82-c. When the first pressing piece 26 needs to be pressurized, the shunt 8 is provided with a first closing stop 82-a in an opening state and a second closing stop 82-b in a closing state; when the second pressing piece 48 needs to be pressurized, the second closing stop 82-b is in an opened state, and the first closing stop 82-a is in a closed state; when the first pressing piece 26 and the second pressing piece 48 both need to be pressurized, the first closing stop block 82-a and the second closing stop block 82-b are both in an open state, so that three liquid running states are realized.

A control method for an automatic production device using the commutator of claims 1-9, comprising the steps of:

s1, the commutator is conveyed to a first station 12-a through a reversing conveying device 19;

s2, after the commutator enters a first station 12-a, a commutator entering station pressing piece 15 presses down the commutator so that the commutator can go deep into the station, then a turntable 12 rotates so that the existing commutator is replaced to an upper reinforcing ring feeding piece 16, the station adjacent to the station but not provided with the commutator repeats the action of S1, an upper reinforcing ring feeding piece 161 sends a reinforcing ring into a dovetail groove at the upper end of the commutator, after the completion, the reinforcing ring is continuously transposed to the upper reinforcing ring pressing piece 161, the upper reinforcing ring pressing piece 161 performs expansion treatment on the dovetail groove to reinforce the commutator piece, after the completion, the transposition is continuously carried out to a lower reinforcing ring feeding piece 17 and a lower reinforcing ring pressing piece 171, the lower reinforcing ring feeding piece 17 sends the reinforcing ring to the dovetail groove at the lower end of the commutator, at the moment, the lower reinforcing ring pressing piece 171 simultaneously starts to send the reinforcing ring to the lower part of the commutator and performs reinforcement treatment, after the reinforcing ring reinforcement at the upper end and the lower end is completed, the reinforcing ring is continuously transposed to a commutator leaving station pressing piece 18, the commutator leaving station pressing piece 18 presses down the commutator so that the commutator leaves the station and falls into a first discharging track 14, and then the commutator leaving piece 23 is sent to the first discharging track through the first discharging track 14;

S3, the commutator entering the receiving piece 23 is sent to a discharge hole of the commutator through extrusion, and enters the arrangement plate 23-a to be arranged in a straight line, at the moment, the grabbing piece 24 grabs the commutator to send the commutator to the placement position of the transition plate 21 to complete pre-placement, after the commutator is filled with all the placement positions arranged on the transition plate 21, the middle template 42 is pushed to the lower part of the transition plate 21, then the first stamping part 26 starts to press the commutator into the middle template 42 by using the pressing piece 26-a, and after the commutator is completed, the middle template 42 is retracted to the position between the upper template 41 and the lower template 43;

s4, after the middle die plate 42 is retracted between the upper die plate 41 and the lower die plate 43, the powder feeding member 34 is started to send powder into the weighing accessory 35 for weighing, after weighing, the distributing hopper 37 is driven by the pushing member 36 to move below the weighing accessory 35, the discharging hole of the weighing accessory 35 is opened to send the powder into the distributing hopper 37, the distributing hopper 37 is driven by the pushing member 36 to be pushed to the central position of the material chamber 46, at the moment, the blocking member 38 is separated from the discharging hole of the distributing hopper 37, so that the powder is sent into the material chamber 46, after the action is finished, the blocking member 38 is retracted to the discharging hole of the distributing hopper 37, and the distributing hopper 37 is retracted to the initial position;

S5, after the powder is fed into the material chamber 46, the second stamping part 48 is started at the moment, the upper die plate 41 is driven to be pressed into the material chamber 46, and a molded solidified body which completely seals the reinforcing ring in the commutator is formed in the commutator;

s6, after the molding solidification body is completed, the middle mold plate 42 is conveyed to the transition plate 21 again, the transition plate 21 moves to deviate from the initial position, then the upper ejection piece 29 ejects the commutator from the middle mold plate 42, the transition plate 21 returns to the initial position after being ejected, and the commutator separated from the middle mold plate 42 is pushed to the second discharging track 28;

s7, when the equipment repeats the action of S4, the material chamber 46 moves to the upper part of the waste ejection piece 53, residues in a molding die hole of the material chamber 46 are ejected through the waste ejection piece 53, and then the waste grabbing piece 54 is started to replace the waste to the third discharging track 55;

s8, when the commutator with the bushing is required to be added is processed, the lower die plate 43 is shifted to a final placement position 62, then the bushing is manually placed on a forming column of the lower die plate 43, and then the bushing is returned to the die frame 45 and is fed into the commutator together when the forming die is used for forming a solidified body;

and S9, when the liquid supply is insufficient, the hydraulic control system controls the pressurizing piece 78 to realize quick liquid supply, so that the normal operation of the first stamping part 26 and the second stamping part 48 is ensured.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the invention.

Claims (6)

1. The control method of the automatic commutator production equipment comprises a reinforcing ring placing unit (1), a receiving unit (2), a powder weighing and matching unit (3) and a pressing unit (4), wherein the reinforcing ring placing unit (1) comprises a first frame (11), a rotary table (12), a first mounting rack (13) and a first discharging track (14), the rotary table (12) is rotatably arranged on the first frame (11) and is provided with a plurality of first stations (12-a), second stations (12-b), third stations (12-c), fourth stations (12-d) and fifth stations (12-e) which are arranged along the clockwise direction of the rotary table (12); the receiving unit (2) comprises a second frame (22), a receiving part (23), a grabbing part (24), a transition plate guide part (25), a first stamping part (26), a first supporting plate (27) and a second discharging track (28), and the steps are as follows:

s1, the commutator is conveyed to a first station (12-a) through a conveying reversing device (19);

s2, after the commutator enters a first station (12-a), a commutator entering station pressing piece (15) presses down the commutator to enable the commutator to go deep into the station, then a turntable (12) rotates to enable the existing commutator to be changed to an upper reinforcing ring feeding piece (16), the station adjacent to the station but not provided with the commutator repeats the action of S1, the upper reinforcing ring feeding piece (16) sends a reinforcing ring into a dovetail groove at the upper end of the commutator, after the completion, the reinforcing ring is continuously transposed to an upper reinforcing ring pressing piece (161), the upper reinforcing ring pressing piece (161) performs expansion processing on the dovetail groove to achieve reinforcing of a commutator piece, after the completion, the transposition is continuously carried out to a lower reinforcing ring feeding piece (17) and a lower reinforcing ring pressing piece (171), the lower reinforcing ring feeding piece (17) sends the reinforcing ring to the dovetail groove at the lower end of the commutator, at the same time, the lower reinforcing ring pressing piece (171) simultaneously starts to send the reinforcing ring below the commutator and performs reinforcing processing, after the reinforcing ring at the upper end and the lower end is continuously transposed to a commutator leaving piece (18), the upper reinforcing ring pressing piece and the lower reinforcing ring pressing piece (18) are carried out, the reinforcing ring pressing piece is separated from the commutator leaving the first station (14) and is sent to the position (14) to the second discharging piece through the reversing piece;

S3, the commutator entering the receiving piece (23) is sent to a discharge hole of the commutator through extrusion, and enters the arrangement plate (23-a) to be arranged in a straight line, at the moment, the grabbing piece (24) grabs the commutator to send the commutator to the placement position of the transition plate (21) to complete pre-placement, after the commutator is fully filled with all the placement positions arranged on the transition plate (21), the middle die plate (42) is pushed to the position below the transition plate (21), then the first stamping part (26) starts to press the commutator into the middle die plate (42) through the pressing part (26-a), and after the commutator is completed, the middle die plate (42) is retracted to the position between the upper die plate (41) and the lower die plate (43);

s4, after the middle die plate (42) is retracted between the upper die plate (41) and the lower die plate (43), the powder feeding piece (34) is started to send powder into the weighing accessory (35) for weighing, the weighed and dispensed material hopper (37) is driven by the pushing piece (36) to move below the weighing accessory (35), a discharge hole of the weighing accessory (35) is opened to send the powder into the material hopper (37), the material hopper (37) is pushed to the central position of the material chamber (46) under the driving of the pushing piece (36), at the moment, the blocking piece (38) is separated from the discharge hole of the material hopper (37) to enable the powder to be sent into the material chamber (46), after the action is completed, the blocking piece (38) is retracted to the discharge hole of the material hopper (37), and the material hopper (37) is retracted to the initial position;

S5, after the powder is fed into the material chamber (46), the second stamping part (48) is started at the moment, and the upper die plate (41) is driven to be pressed into the material chamber (46), so that a molded solidified body which completely seals the reinforcing ring in the commutator is formed in the commutator;

s6, after the molding solidification body is completed, the middle mold plate (42) is conveyed to the transition plate (21) again, the transition plate (21) moves to a position deviating from the initial position, then the upper ejection piece (29) ejects the commutator from the middle mold plate (42), the transition plate (21) returns to the initial position after ejection, and the commutator separated from the middle mold plate (42) is pushed to the second discharging track (28);

s7, when the equipment repeats the action of S4, the material chamber (46) moves to the position above the waste ejection piece (53), residues existing in a molding die hole of the material chamber (46) are ejected through the waste ejection piece (53), and then the waste grabbing piece (54) is started to replace the waste to a third discharging track (55);

s8, when the commutator with the bushing is required to be added is processed, the lower die plate (43) is shifted to a final placement position (62), then the bushing is manually placed on a forming column of the lower die plate (43), and then the bushing is returned to the die frame (45) and is fed into the commutator together when the solidified body is formed by the forming die.

2. An automatic commutator production device using the commutator of claim 1, characterized in that: the powder weighing and dispensing unit (3) comprises a third rack (31), a second mounting frame (32), a storage hopper (33), a powder feeding part (34), a weighing part (35), a pushing part (36), a distributing hopper (37) and a blocking part (38), wherein the second mounting frame (32) is arranged on the third rack (31) and used for the storage hopper (33) to be arranged at a high position after the storage hopper (33) is arranged, the powder feeding part (34) is arranged on the second mounting frame (32) and is positioned below a discharge hole of the storage hopper (33), the weighing part (35) is arranged on the third rack (31) and is positioned below the powder feeding part (34), the pushing part (36) is arranged on the third rack (31) and used for the distributing hopper (37) and the blocking part (38) to be arranged, and the blocking part (38) is used for dissociating the blocking part (38) to remove the discharge hole of the blocking part (37) when the distributing hopper (37) reaches the pressing unit (4).

3. The automatic commutator production apparatus as defined in claim 2, wherein: the material pressing unit (4) comprises a fourth frame (44), a die frame (45), a material chamber (46), a first material chamber guide (47), a second stamping part (48) and a second supporting plate (49), wherein the die frame (45) is arranged in the fourth frame (44), the first material chamber guide (47) is movably arranged above the die frame (45) and perpendicular to the moving direction of the middle die plate (42), the material chamber (46) is moved in the first material chamber guide (47), the second stamping part (48) is arranged in the fourth frame (44) and is driven by the driving end of the second stamping part to be connected with the upper die plate (41), the upper die plate (41) is arranged above the material chamber (46), the lower die plate (43) is arranged in the die frame (45) and is arranged below the material chamber (46) to generate a preset distance, the middle die plate (42) is arranged in the preset distance when the die is closed, the second supporting plate (49) is arranged in the fourth frame (44) and is close to one side of the powder dispensing unit (3), and the driving source of the middle die plate (42) is arranged.

4. The automatic commutator production apparatus as defined in claim 3, wherein: the cleaning device is characterized in that a cleaning unit (5) is further arranged on the fourth frame (44), the cleaning unit (5) comprises a base (51), a second material chamber guide (52), a waste ejection member (53), a waste grabbing member (54) and a third discharging track (55), the base (51) is arranged on the fourth frame (44), the second material chamber guide (52) is arranged above the base (51) and is suitable for being matched with the first material chamber guide (47) to prolong the moving length of the material chamber (46), the waste ejection member (53) is arranged on the base (51) and is located below the second material chamber guide (52), the waste grabbing member (54) is arranged on the second material chamber guide (52), and the third discharging track (55) is arranged on one side, close to the waste grabbing member (54), of the base (51).

5. The automatic commutator production apparatus as defined in claim 4, in which: the novel movable middle die plate is characterized in that a supporting frame (6) positioned at the opposite position of the second supporting plate (49) is further arranged on the fourth frame (44), a power source used for driving the lower die plate (43) to move along the moving direction of the middle die plate (42) is arranged on the second supporting plate (49), the supporting frame (6) is provided with a pre-placing position (61) and a final placing position (62), a power source used for pushing the lower die plate (43) to the position, where the bottom surface of the lower die plate (43) is at the same level with the bottom surface of the final placing position (62), and a power source used for pushing the lower die plate (43) to the final placing position (62) is arranged on the side.

6. The automatic commutator production apparatus as defined in claim 5, wherein: the hydraulic control system comprises a controller (71), a controller (72), a driver (73), a motor (74), a coding part (75), a power part (76), a control part (77), a pressurizing part (78) and two pressure sensing parts (79), wherein the controller (71) is electrically connected with the controller (72), the controller (72) is electrically connected with the driver (73), the driver (73) is electrically connected with the coding part (75) and the two pressure sensing parts (79), the two pressure sensing parts (79) are also electrically connected with the controller (72), the control part (77) is respectively connected with the first stamping part (26) and the second stamping part (48) through connecting pipelines, and the pressurizing part (78) is respectively connected with the first stamping part (26) and the second stamping part (48) through oil pipelines and is provided with a shunt circuit (8) at the position of the converter.