CN210306199U

CN210306199U - Commutator bar synchronous resistance welding all-in-one machine of hook-type commutator

Info

Publication number: CN210306199U
Application number: CN201920882642.7U
Authority: CN
Inventors: 宋锋; 黄文武
Original assignee: Dongguan Baorun Intelligent Equipment Co ltd
Current assignee: Dongguan Baorun Intelligent Equipment Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-14
Anticipated expiration: 2029-06-12

Abstract

The utility model provides a commutator bar synchronous resistance welding integrated machine of a hook-shaped commutator, which comprises a frame, a workbench and a conveying assembly line, wherein the workbench is provided with a clamp device, a plurality of resistance welding devices, a feeding and discharging device and a cleaning device; after the motor rotor is conveyed to the feeding and discharging device area through the conveying assembly line, the motor rotor is subjected to direction adjustment and feeding of the feeding and discharging devices, clamped by the clamp devices, synchronously welded to hooks of commutator segments and winding wires hung on the commutator segments through the resistance welding devices, subjected to direction adjustment and discharging of the feeding and discharging devices, conveyed to the conveying assembly line for next-procedure processing, and synchronously cleaned by the cleaning devices; the synchronous automatic welding of the hook of the commutator segment and the winding lead hung on the hook is realized, and the input and output of the motor rotor before and after welding share the characteristics of the loading and unloading device, so that the synchronous automatic welding device has the characteristics of high automation degree, firm welding, good conductive effect and high processing efficiency.

Description

Commutator bar synchronous resistance welding all-in-one machine of hook-type commutator

Technical Field

The utility model relates to a technical field of motor equipment production facility especially relates to a commutator segment synchronous resistance welding all-in-one of hook-type commutator.

Background

Electrical machines, such as brushed dc machines, typically include a stator and a rotor; the rotor is provided with a rotating shaft, a commutator fixed on the rotating shaft, a rotor core fixed on the rotating shaft, and a winding wound on the teeth of the rotor core and electrically connected with a commutator bar of the commutator; the stator is electrically connected with the commutator segment through the electric brush, so that power is supplied to the winding. Specifically, the commutator segment generally has a main body electrically connected to the stator through a brush, and a hook generally connected to a winding wire hung on the hook by welding.

At present, when a winding is welded on a commutator segment, a hook is pressed down under stress, and heat generated in the welding process melts an outer insulating layer of a winding wire, so that the winding wire is conducted with the commutator segment; in the specific operation process, the hook and the winding lead on the hook are welded one by one mostly by combining a resistance welding machine manually, so that the effect of electric contact between the winding and the commutator segment is not ideal, and the use reliability of the motor is influenced; on the other hand, when the hook is pressed down under stress, the winding is enabled to generate larger deformation, and under the condition of poor control, the winding is extremely easy to excessively deform or even be broken by pressure, so that the service life of the motor is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a commutator bar synchronous resistance of hook-type commutator welds all-in-one realizes carrying out synchronous automatic weld to commutator bar couple and the winding wire that hangs above that, and before the welding with the characteristic of the same transplanting device of welded electric motor rotor's input-output sharing, have that structural design is reasonable compact, degree of automation is high, the firm electrically conductive effect of welding is good, welding quality is high and pleasing to the eye, characteristics that machining efficiency is high.

The utility model provides the following technical scheme, a commutator bar synchronous resistance welding all-in-one machine of a hook-type commutator, which comprises a frame, a workbench arranged on the frame and a conveying assembly line, wherein the assembly line conveying device is positioned on one side of the workbench; the workbench is provided with a clamp device, a plurality of resistance welding devices, a feeding and discharging device and a cleaning device; the plurality of resistance welding devices are uniformly distributed around the periphery of the clamp device and are arranged in one-to-one correspondence with the commutator segment hooks on the motor rotor clamped on the clamp device; the feeding and discharging device and the cleaning device are respectively erected above the resistance welding device; after the motor rotor is conveyed to the feeding and discharging device area through the conveying assembly line, the motor rotor is subjected to direction adjustment and feeding of the feeding and discharging device, clamped by the clamp device, synchronously welded to hooks of commutator segments and winding wires hung on the commutator segments through the plurality of resistance welding devices, conveyed to the conveying assembly line through direction adjustment and discharging of the feeding and discharging device to be processed in a next sequence, and simultaneously synchronously cleaned by the cleaning device for next processing; the synchronous automatic welding of the hook of the commutator segment and the winding lead hung on the hook is realized, and the input and the output of the motor rotor before and after welding share the characteristics of the loading and unloading device.

Preferably, the feeding and discharging device comprises a plurality of buffer mechanisms and a first bracket which are arranged on the workbench, and a plurality of rotary transplanting mechanisms which are arranged on the first bracket and erected on the buffer mechanisms, wherein the plurality of rotary transplanting mechanisms and the buffer mechanisms are linearly arranged, and any one buffer mechanism is arranged between the two rotary transplanting mechanisms; the purpose of the structural design is to realize the input and output operation of the motor rotor before and after welding.

Preferably, each of the plurality of buffer mechanisms includes a first rotary cylinder disposed on the workbench, a buffer mounting plate disposed on the first rotary cylinder, two buffer receiving seats disposed on the buffer mounting plate, a first guide pin disposed on each of the two buffer receiving seats, and a first photoelectric sensor disposed on any one of the buffer receiving seats; grooves for arranging the motor rotors are formed in the two buffer bearing seats; the mechanism aims to buffer the motor rotor before and after welding so as to conveniently realize input and output.

Preferably, the plurality of rotary transplanting mechanisms comprise a material taking transplanting unit arranged on the first support and a grabbing rotary unit arranged on the material taking transplanting unit; the material taking and transplanting unit comprises a frame assembly movably arranged on the first support and a first driving assembly for driving the frame assembly to move relative to the first support; the motor rotor is grabbed and transplanted by the structure.

Preferably, the frame assembly includes a plurality of guide sleeves disposed on the first bracket, a plurality of guide rods sliding along the guide sleeves, an upper plate and a lower plate disposed at both ends of the guide rods, a first spring sleeved on the guide rods and between the upper plate and the first bracket, and a second photoelectric sensor disposed on the upper plate; the structure is arranged to assist the grabbing and rotating unit to accurately grab the motor rotor.

Preferably, the first driving assembly comprises a first ball screw penetrating through the first support and connected with the upper plate, a first motor driving the first ball screw to rotate and arranged on the first support, a limiting mounting plate arranged on the first support and positioned at the same side as the upper plate, and a third photoelectric sensor and a fourth photoelectric sensor arranged on the limiting mounting plate; the purpose of this structural arrangement is for getting material transplanting unit provides power and can restrict its scope of motion.

Preferably, the grabbing and rotating unit comprises a rotating shaft rotatably mounted on the lower plate, a second motor driving the rotating shaft to rotate, a rotating mounting plate fixedly arranged at the other end of the rotating shaft, and rotating finger cylinders respectively arranged at two ends of the rotating mounting plate; the structure realizes the grabbing and reversing of the motor rotor, thereby facilitating subsequent processing operation.

Preferably, the clamping device comprises a clamp seat mechanism, an outer sliding block clamp assembly sleeved on the clamp seat mechanism and a pressing mechanism erected on the clamp seat mechanism; the clamp seat mechanism comprises an annular clamp seat assembly and a second driving assembly for driving the annular clamp seat assembly to move relative to the outer slide block clamp assembly; the purpose of this structural arrangement is to realize the clamping action to the motor rotor before the welding.

Preferably, the second driving assembly comprises a mounting frame arranged at the lower end of the workbench, a mounting plate and a mounting beam arranged at the lower end of the mounting frame, a rocker fork movably arranged on the mounting plate, a roller arranged at the forked end of the rocker fork, and a first cylinder arranged at the other end of the rocker fork and movably connected with the rocker fork; the structure is arranged to assist the annular clamp seat assembly to realize clamping operation before welding of the motor rotor.

Preferably, the annular clamp seat assembly comprises a sliding tube which slides up and down relative to the mounting plate and penetrates through the workbench, a chuck and a retaining ring which are respectively arranged at two ends of the sliding tube, a clamping piece in threaded connection with the middle part of the sliding tube, an annular connecting piece which is clamped on the clamping piece and is sleeved on the sliding tube, a mandril which sequentially penetrates through the sliding tube and the chuck and is locked on the mounting beam, and a second spring which is sleeved on the mandril and is arranged between the mounting beam and the retaining ring; the outer circumferential surface of the chuck is provided with a taper surface with an inverted V-shaped structure; the forked end of the rocker fork is inserted into the annular groove of the annular connecting piece; the purpose that this structure set up is realized the location on the motor rotor direction of height and presss from both sides tight motor rotor before the welding.

Preferably, the outer slide block clamp assembly comprises a sliding sleeve which is sleeved on the chuck and is matched with the chuck for processing, a protective cylinder which is sleeved on the sliding sleeve, and a first bushing which is arranged at the lower end of the sliding sleeve and is sleeved on the sliding pipe; the protective cylinder, the sliding sleeve and the first bushing are fastened on the workbench through fasteners; the structure is arranged to assist the annular clamp seat assembly to clamp the motor rotor.

Preferably, the pressing mechanism comprises a first rodless cylinder arranged on the workbench, a pressing mounting plate arranged on the first rodless cylinder, a second cylinder and an auxiliary plate arranged on the same side of the pressing mounting plate, and a pressing block connected with the second cylinder; auxiliary holes are dug in the auxiliary plate, and the center lines of the auxiliary holes are overlapped with the center line of the pressing block; a second guide pin is arranged in the auxiliary hole; the structure realizes directional pressing of the motor rotor into the annular fixture seat assembly, and the pressing depth value of the motor rotor is fixed.

Preferably, a plurality of the electric resistance welding devices each comprise an electric resistance welding mechanism and a smoking assembly; the resistance welding mechanism comprises a power supply arranged on the workbench, and a negative electrode component and a positive electrode mechanism which surround the periphery of the clamp device; the structure is arranged to realize synchronous welding processing of the motor rotor clamped in the annular clamp seat assembly and the operation of cleaning flue gas in the processing process.

Preferably, the smoking assembly comprises a smoking mounting seat arranged on the workbench, a mounting rod rotatably connected to the smoking mounting seat, an adapter movably arranged on the mounting rod, and a smoking pipe movably arranged on the adapter; the setting of this structure can carry out the adjusting position according to different situations, realizes high-efficient smoke abatement effect.

Preferably, the negative electrode assembly is arranged on a negative electrode mounting seat on the workbench, an arc piece arranged on the negative electrode mounting seat and connected with the clamp device, and a negative electrode lead arranged on the arc piece.

Preferably, the positive mechanism comprises a bending assembly, a third driving assembly for driving the bending assembly to move and a limiting assembly for limiting the moving range of the bending assembly; the third driving assembly comprises a bending mounting plate arranged on the workbench, a motor mounting plate and a bearing seat arranged on the bending mounting plate, a third motor arranged on the motor mounting plate, a second ball screw rotatably connected to the bearing seat, and a coupling connected with an output shaft of the third motor and the second ball screw; the arrangement of the structure provides power for the bending assembly.

Preferably, the bending assembly comprises a slide rail arranged on the bending mounting plate, a sliding table connected with the second ball screw and sliding in cooperation with the slide rail, a bending mounting seat sliding in cooperation with the slide rail, an anode mounting seat movably arranged on the bending mounting seat, an anode arranged on the anode mounting seat, and a third spring arranged between the bending mounting seat and the sliding table; the purpose that this structure set up is realized on the basis that the positive pole switches on, and just to the couple operation of bending on the reversing sheet.

Preferably, the limit assembly comprises an induction sheet arranged on the bending mounting seat, an origin photoelectric inductor arranged on the bending mounting seat and limit photoelectric inductors arranged on two sides of the origin photoelectric inductor; the arrangement of the structure realizes that the bending degree of the bending assembly meets the process requirement.

Preferably, the cleaning device comprises a cleaning component, a slag sucking component and a cleaning agent supply component; the cleaning assembly comprises a second rodless cylinder arranged on the workbench, a third rodless cylinder arranged on the second rodless cylinder, an annular mounting plate arranged on the third rodless cylinder, a fourth rodless cylinder and a plurality of cleaning injection heads arranged on the annular mounting plate, and a plurality of groups of cleaning brushes arranged on the fourth rodless cylinder and positioned below the cleaning injection heads; the arrangement of the structure realizes the cleaning operation of waste residues generated after the welding of the bending assembly.

Preferably, the slag suction assembly comprises a plurality of support frames arranged on the workbench and surrounding the clamp device, a suction pipe arranged on the support frames and a slag suction pump communicated with the suction pipe; the purpose of this structural arrangement is to carry out the collection operation through the waste residue that washs the subassembly clearance.

Preferably, the cleaning agent supply assembly comprises a second bracket and a liquid distributor which are arranged on the feeding and discharging device, and a cleaning agent storage tank which is arranged on the second bracket; the cleaning agent storage tank and the liquid distributor and the cleaning injection head are communicated through rubber tubes; the purpose of this structural arrangement is to achieve a continuous supply of the cleaning agent required for cleaning of the washing assembly.

The utility model has the advantages that: after being conveyed to the feeding and discharging device area through the conveying assembly line, the motor rotor is subjected to direction adjustment and feeding of the feeding and discharging devices, clamped by the clamp devices, synchronously welded to hooks of commutator segments and winding wires hung on the commutator segments through the plurality of resistance welding devices, conveyed to the conveying assembly line through direction adjustment and discharging of the feeding and discharging devices to be processed in a next sequence, and meanwhile, synchronously cleaned by the cleaning devices at regular intervals; the utility model discloses the realization is to the couple of commutator segment and hang the winding wire above that and carry out synchronous automatic weld, and before the welding with welded electric motor rotor's input-output sharing go up unloader's characteristics, the commutator segment synchronous resistance welding all-in-one of this hook-type commutator's reasonable in design compactness, degree of automation height, the firm electrically conductive effect of welding are good, welding quality is high and pleasing to the eye, characteristics that machining efficiency is high, have obvious market economic benefits.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a commutator bar synchronous resistance welding all-in-one machine of the hook-shaped commutator of the present invention;

fig. 2 is a schematic structural view of a commutator segment synchronous resistance welding all-in-one machine (without a shell) of the hook-shaped commutator of the present invention;

FIG. 3 is a schematic structural view of a feeding and discharging device of the commutator segment synchronous resistance welding all-in-one machine of the hook commutator of the present invention;

FIG. 4 is an enlarged view of FIG. 3 labeled A;

FIG. 5 is a schematic structural view of a rotary transplanting mechanism of the commutator bar synchronous resistance welding all-in-one machine of the hook-shaped commutator of the present invention;

FIG. 6 is a schematic structural view of a fixture device of the commutator segment synchronous resistance welding all-in-one machine of the hook commutator of the present invention;

fig. 7 is a schematic structural view of a fixture seat mechanism of the commutator segment synchronous resistance welding all-in-one machine of the hook-shaped commutator of the present invention;

FIG. 8 is an enlarged view of FIG. 7 labeled B;

fig. 9 is a schematic structural view of a pressing mechanism of the commutator segment synchronous resistance welding all-in-one machine of the hook-shaped commutator of the present invention;

fig. 10 is a schematic structural view of a resistance welding device of the commutator segment synchronous resistance welding all-in-one machine of the hook-shaped commutator of the present invention;

FIG. 11 is an enlarged partial view of FIG. 10 at reference C;

fig. 12 is a schematic structural view of a negative electrode assembly of the commutator segment synchronous resistance welding all-in-one machine of the hook commutator of the present invention;

fig. 13 is a schematic structural view of a positive electrode mechanism of the commutator segment synchronous resistance welding all-in-one machine of the hook-shaped commutator of the present invention;

fig. 14 is a schematic structural view of a cleaning device of the commutator segment synchronous resistance welding all-in-one machine of the hook-shaped commutator of the present invention;

description of reference numerals: 100-frame, 200-table, 300-conveyor line, 400-gripper device, 410-gripper seat mechanism, 420-outer slide gripper assembly, 421-slide sleeve, 422-protective cylinder, 423-first bushing, 430-hold-down mechanism, 431-first rodless cylinder, 432-hold-down mounting plate, 433-second cylinder, 434-auxiliary plate, 435-hold-down block, 436-auxiliary hole, 437-second guide pin, 440-circular gripper seat assembly, 441-slide tube, 442-gripper, 443-stop ring, 444-snap-in member, 445-circular connecting member, 446-lift rod, 447-second spring, 450-second drive assembly, 451-mounting frame, 452-mounting plate, 453-mounting beam, 454-rocker arm fork, 455-roller, 456-first cylinder, 500-resistance welding device, 510-resistance welding mechanism, 520-smoking assembly, 521-smoking mounting seat, 522-mounting rod, 523-adapter, 524-smoking pipe, 530-power supply, 540-negative electrode assembly, 541-negative electrode mounting seat, 542-arc sheet, 543-negative electrode lead, 550-positive electrode mechanism, 560-bending assembly, 561-sliding rail, 562-sliding table, 563-bending mounting seat, 564-positive electrode mounting seat, 565-positive electrode mounting rod, 566-third spring, 570-third driving assembly, 571-bending mounting plate, 572-motor mounting plate, 573-bearing seat, 574-third motor, 575-second ball screw, 576-shaft coupling, 580-limit component, 581-induction piece, 582-origin photoelectric sensor, 583-limit photoelectric sensor, 600-loading and unloading device, 610-buffer mechanism, 611-first rotary cylinder, 612-buffer mounting plate, 613-buffer bearing seat, 614-first guide pin, 615-first photoelectric sensor, 616-groove, 620-first bracket, 630-rotary transplanting mechanism, 640-material-taking transplanting unit, 650-grabbing rotary unit, 651-rotary shaft, 652-second motor, 653-rotary mounting plate, 654-rotary finger cylinder, 660-frame component, 661-guide sleeve, 662-guide rod, 663-upper plate, 664-lower plate, 665-first spring, 666-second photoelectric sensor, 670-a first driving assembly, 671-a first ball screw, 672-a first motor, 673-a limiting mounting plate, 674-a third photoelectric sensor, 675-a fourth photoelectric sensor, 700-a cleaning device, 710-a cleaning assembly, 711-a second rodless cylinder, 712-a third rodless cylinder, 713-an annular mounting plate, 714-a fourth rodless cylinder, 715-a cleaning injection head, 716-a cleaning brush, 720-a slag suction assembly, 721-a support frame, 722-a suction pipe, 730-a cleaning agent supply assembly, 731-a second support frame, 732-a liquid distributor and 733-a cleaning agent storage tank.

Detailed Description

In order to make the object, technical solution and technical effect of the present invention more clearly understood, the present invention will be further described with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 and 2, the utility model provides a technical solution that a commutator bar synchronous resistance welding all-in-one machine of a hook commutator comprises a frame 100, a workbench 200 arranged on the frame and a conveying pipeline 300, wherein the conveying pipeline 300 is arranged on one side of the workbench 200; the worktable 200 is provided with a clamp device 400, a plurality of resistance welding devices 500, a loading and unloading device 600 and a cleaning device 700; in this embodiment, the number of the plurality of resistance welding devices 500 is five, and certainly, the number thereof includes five but is not limited to five, and the specific structural arrangement thereof is that the plurality of resistance welding devices 500 are uniformly distributed around the periphery of the fixture device 400 and are arranged in a one-to-one correspondence with the commutator bar hook positions on the motor rotor clamped on the fixture device 400, and the feeding and discharging device 600 and the cleaning device 700 are respectively erected above the resistance welding devices 500; it should be noted that the motor rotors carried by the conveying line 300 are placed in a uniform orientation, and are mainly implemented by the fixture on the jig.

Further, the operation process is that after the motor rotor is conveyed to the area of the loading and unloading device 600 through the conveying assembly line 300, the motor rotor is subjected to direction adjustment and loading of the loading and unloading device 600, clamped by the clamping device 400, synchronously welded with a hook of a commutator segment and a winding wire hung on the hook by the plurality of resistance welding devices 500, then conveyed to the conveying assembly line 300 through direction adjustment and unloading of the loading and unloading device 600 for next processing, and meanwhile, the cleaning device 700 synchronously cleans the plurality of resistance welding devices 500 for next processing; the utility model discloses the realization is to the couple of commutator segment and hang winding wire above that and carry out synchronous automatic weld, and before the butt weld with welded electric motor rotor's input-output sharing go up unloader 600's characteristics, the reasonable in design compactness of this hook type commutator's commutator segment synchronous resistance welding all-in-one, degree of automation height, the firm electrically conductive effect of welding are good, welding quality is high and pleasing to the eye, characteristics that machining efficiency is high.

Referring to fig. 3, the loading and unloading apparatus 600 includes a plurality of buffer mechanisms 610 and a first support 620 disposed on the worktable 200, and a plurality of rotary transplanting mechanisms 630 disposed on the first support and erected on the buffer mechanisms 610, wherein the plurality of rotary transplanting mechanisms 630 and the buffer mechanisms 610 are linearly disposed, and any one of the buffer mechanisms 610 is disposed between two of the rotary transplanting mechanisms 630; in this embodiment, there are two rotary transplanting mechanisms 630 and one buffer mechanism 610, and the buffer mechanism 610 is disposed between the two rotary transplanting mechanisms 630, the buffer mechanism 610 serves to buffer the motor rotor and ensure the orientation of the buffered motor rotor is consistent in the transplanting process, so as to facilitate the precise alignment of the welding point position in the subsequent welding process.

Referring to fig. 4, each of the plurality of buffer mechanisms 610 includes a first rotary cylinder 611 disposed on the worktable 200, a buffer mounting plate 612 disposed on the first rotary cylinder, two buffer sockets 613 disposed on the buffer mounting plate, first guide pins 614 disposed on the two buffer sockets 613, and a first photoelectric sensor 615 disposed on any one of the buffer sockets 613; a groove 616 for installing a motor rotor is dug in each of the two buffer bearing seats 613; the specific operation process is that the two motor rotors before welding and after welding enter the buffer socket 613 in the same direction respectively through the placement of the rotary transplanting mechanism 630 and the guiding action of the first guide pin 614, the first photoelectric sensor 615 senses the motor rotors, the first rotary cylinder 611 rotates 180 degrees to enable the two buffer sockets 613 to rotate 180 degrees, the position exchange between the two motor rotors before welding and after welding is realized, and the input and the output of the motor rotors of the same transplanting device are realized by combining the rotary transplanting mechanism 630.

Referring to fig. 5, each of the plurality of rotary transplanting mechanisms 630 includes a material taking and transplanting unit 640 disposed on the first support 620 and a grabbing rotary unit 650 disposed on the material taking and transplanting unit; the material taking and transplanting unit 640 comprises a frame assembly 660 movably arranged on the first support 620 and a first driving assembly 670 for driving the frame assembly to move relative to the first support 620; specifically, the grabbing rotation unit 650 is disposed on the frame assembly 660, and the frame assembly 660 moves up and down under the driving of the first driving assembly 670, so that the grabbing rotation unit 650 grabs or places the motor rotor in the buffer mechanism 610.

Further, the frame assembly 660 includes a plurality of guide sleeves 661 disposed on the first bracket 620, a plurality of guide rods 662 sliding along the guide sleeves 661, an upper plate 663 and a lower plate 664 disposed at both ends of the guide rods 662, a first spring 665 sleeved on the guide rods 662 and interposed between the upper plate 663 and the first bracket 620, and a second photoelectric sensor 666 disposed on the upper plate 663; furthermore, the first driving assembly 670 includes a first ball screw 671 passing through the first bracket 620 and connected to the upper plate 663, a first motor 672 driving the first ball screw to rotate and disposed on the first bracket 620, a position-limiting mounting plate 673 disposed on the first bracket 620 and located at the same side as the upper plate 663, and a third photo-sensor 674 and a fourth photo-sensor 675 disposed on the position-limiting mounting plate; the first motor 672 drives the first ball screw 671 to rotate through a belt or a chain and the like, so that the frame assembly 660 moves up and down along the guide sleeve 661, meanwhile, the second photoelectric sensor 666 is arranged between the third photoelectric sensor 674 and the fourth photoelectric sensor 675, the moving range of the frame assembly 660 is limited, and the operation safety performance is ensured.

Further, the grabbing rotation unit 650 includes a rotation shaft 651 rotatably mounted on the lower plate 664, a second motor 652 driving the rotation shaft to rotate, a rotation mounting plate 653 fixedly mounted at the other end of the rotation shaft 651, and rotation finger cylinders 654 respectively disposed at both ends of the rotation mounting plate; in a specific operation process, the second motor 652 drives the rotating shaft to rotate 180 ° through a belt or a chain, so as to drive the two rotating finger cylinders 654 on the rotating mounting plate 653 to perform 180 °, thereby realizing the 180 ° position exchange of the positions of the motor rotors grabbed by the two rotating finger cylinders 654, and realizing the input and output operations of the motor rotors by combining with the buffer mechanism 610.

Referring to fig. 6, the clamping device 400 includes a clamp base mechanism 410, an outer slider clamping assembly 420 sleeved on the clamp base mechanism, and a pressing mechanism 430 mounted on the clamp base mechanism; the specific operation is that the electronic rotor is transplanted onto the fixture seat mechanism 410 through the rotary transplanting mechanism 630, and is directionally pressed into a certain depth through the pressing mechanism 430, and then under the combined action of the fixture seat mechanism 410 and the outer slide block fixture assembly 420, the clamping of the motor rotor is realized.

Referring to fig. 7, the grip holder mechanism 410 includes an annular grip holder assembly 440 and a second drive assembly 450 for driving the annular grip holder assembly to move relative to the outer slide grip assembly 420; the second driving assembly 450 includes a mounting frame 451 provided at the lower end of the worktable 200, a mounting plate 452 and a mounting beam 453 provided at the lower end of the mounting frame, a rocker fork 454 movably provided on the mounting plate, a roller 455 provided at the branched end of the rocker fork, and a first cylinder 456 provided at the other end of the rocker fork and movably connected thereto; furthermore, the annular clamp seat assembly 440 includes a sliding tube 441 vertically sliding with respect to the mounting plate 451 and passing through the worktable 200, a clamping head 442 and a retaining ring 443 respectively disposed at two ends of the sliding tube, a locking member 444 threadedly coupled to a middle portion of the sliding tube, an annular connecting member 445 locked to the locking member and sleeved on the sliding tube 441, a push rod 446 sequentially passing through the sliding tube 441 and the clamping head 442 and locked to the mounting beam 453, and a second spring 447 sleeved on the push rod and between the mounting beam 451 and the retaining ring 443; the outer circumferential surface of the clamping head 442 is provided with a taper surface with an inverted V-shaped structure; the bifurcated end of the rocker arm fork 454 is inserted into the annular groove of the annular link 445; the specific operation process is that the first cylinder 456 drives the rocker fork 454 to warp, so as to drive the sliding tube 441 in threaded connection with the fastener 444 to move relative to the mounting plate 452, thereby driving the collet 442 to move, and under the action of the outer slider clamp assembly 440 fixed on the workbench 200, the collet 442 is clamped and loosened; it should be further emphasized that the pressing mechanism 430 is combined with the push rod 446, so that the pressing mechanism 430 presses the motor rotor into the chuck 442 with a fixed depth value and the motor rotor is smoothly pulled out under the buffering action of the second spring 447.

Referring to fig. 8, the outer slider clamp assembly 420 includes a sliding sleeve 421 sleeved on the collet 442 and matched with the collet, a protective sleeve 422 sleeved on the sliding sleeve, and a first bushing 423 disposed at a lower end of the sliding sleeve 421 and sleeved on the sliding tube 441; the protective cylinder 422, the sliding sleeve 421 and the first bushing 423 are fastened to the workbench 200 by fasteners; the specific operation process is that, because the outer circumferential surface of the collet 442 has a tapered surface with an inverted-splayed structure, and the collet 442 is matched with the sliding sleeve 421, when the collet 442 moves relative to the sliding sleeve 421, the collet 442 can clamp and release the motor rotor.

Referring to fig. 9, the pressing mechanism 430 includes a first rodless cylinder 431 disposed on the worktable 200, a pressing mounting plate 432 disposed on the first rodless cylinder, a second cylinder 433 and an auxiliary plate 434 disposed on the same side of the pressing mounting plate, and a pressing block 435 connected to the second cylinder 433; an auxiliary hole 436 is dug in the auxiliary plate 434, and the center line of the auxiliary hole 436 coincides with the center line of the pressing block 435; a second guide pin 437 is arranged in the auxiliary hole 436; in the specific operation process, the pressing mechanism 430 moves to the upper side of the ring-shaped fixture seat assembly 440 under the action of the first rodless cylinder 431, and due to the existence of the second guide pin 437 in the auxiliary hole 436, the motor rotor grabbed by the rotary transplanting mechanism 630 is guided by the second guide pin 437 and accurately inserted into the chuck 442 under the action of the pressing block 735, so that hooks on the commutator segments respectively correspond to the action parts of the electric resistance welding device 500 one to one, and the accurate processing is facilitated.

Referring to fig. 10, a plurality of the electric resistance welding apparatuses 500 each include an electric resistance welding mechanism 510 and a smoking assembly 520; the resistance welding mechanism 510 comprises a power supply 530 arranged on the workbench 200, and a negative electrode assembly 540 and a positive electrode mechanism 550 which surround the periphery of the fixture device 400; the specific operation process is that under the condition that the power supply 530 supplies power, the positive electrode mechanism 550 and the negative electrode assembly 510 respectively contact the hooks of the commutator segments to form a current loop, local high temperature is generated to enable the hooks of the commutator segments to be in a softened state, and then the hooks of the commutator segments and the winding wires hung on the hooks are synchronously and automatically welded under the bending action of the positive electrode mechanism 550.

Referring to fig. 11, the smoking assembly 520 includes a smoking mounting base 521 disposed on the working platform 200, a mounting rod 522 rotatably connected to the smoking mounting base, an adapter 523 movably disposed on the mounting rod, and a smoking pipe 524 movably disposed on the adapter; the smoke exhaust component 520 can be adjusted in position according to different conditions, and efficient smoke removal operation of smoke in the welding process of the resistance welding mechanism 510 is achieved.

Referring to fig. 12, the negative electrode assembly 540 is disposed on a negative electrode mounting seat 541 on the worktable 200, an arc-shaped piece 542 disposed on the negative electrode mounting seat and connected to the fixture 500, and a negative electrode lead 543 disposed on the arc-shaped piece; the principle of specifically realizing the negative conduction is that, as the arc-shaped piece 542 is fixed on the chuck 442, the negative lead 543 attached to the arc-shaped piece can be tightly clamped with the chuck 442, so that the commutator segment hook can be conducted.

Referring to fig. 13, the positive mechanism 550 includes a bending assembly 560, a third driving assembly 570 for driving the bending assembly to move, and a limiting assembly 580 for limiting the moving range of the bending assembly; the third driving assembly 570 includes a bending mounting plate 571 provided on the table 200, a motor mounting plate 572 and a receiving seat 573 provided on the bending mounting plate, a third motor 574 provided on the motor mounting plate 572, a second ball screw 575 rotatably connected to the receiving seat 573, and a coupling 576 connected to an output shaft of the third motor 574 and the second ball screw 757; furthermore, the bending assembly 560 includes a slide rail 561 disposed on the bending mounting plate 571, a sliding table connected to the second ball screw 575 and sliding in cooperation with the slide rail 561, a bending mounting seat 563 sliding in cooperation with the slide rail 561, a positive mounting seat 564 movably disposed on the bending mounting seat, a positive electrode 565 disposed on the positive mounting seat, and a third spring 566 disposed between the bending mounting seat 563 and the sliding table 562; the specific operation process is that the third motor 574 drives the second ball screw 575 to rotate to drive the sliding table 562 to move along the sliding rail 561, so that the bending mounting seat 563 is driven to move, the positive electrode 565 on the bending mounting seat is assisted to bend the reversing sheet hook, and in addition, the third spring 566 is arranged to strengthen pressure maintaining processing during bending of the reversing sheet hook, so that the positions of all the bent reversing sheet hooks are uniform and the appearance is attractive.

Further, the limiting component 580 includes an induction plate 581 disposed on the bending mounting seat 563, an origin photoelectric sensor 582 disposed on the bending mounting plate, and limiting photoelectric sensors 583 disposed at two sides of the origin photoelectric sensor; the arrangement of the limiting component 580 achieves that the bending degree of the bending component 560 meets the process requirements and ensures the safety of the bending component 560 in the operation process.

Referring to fig. 14 and 8, the cleaning device 700 includes a cleaning assembly 710, a residue suction assembly 720 and a cleaning agent supply assembly 730; the cleaning assembly 710 comprises a second rodless cylinder 711 arranged on the workbench 200, a third rodless cylinder 722 arranged on the second rodless cylinder, an annular mounting plate 713 arranged on the third rodless cylinder, a fourth rodless cylinder 714 and a plurality of cleaning injection heads 715 arranged on the annular mounting plate, and a plurality of cleaning brushes 716 arranged on the fourth rodless cylinder 714 and positioned below the cleaning injection heads 715; in the specific operation process, the second rodless cylinder 712 transplants the cleaning brush 716 to the top of the electric resistance welding mechanism 510, the third rodless cylinder 712 drives the cleaning brush 716 to descend by a certain height, and then the fourth rodless cylinder 714 drives the cleaning brush 716 to clean the waste residues left on the electric resistance welding mechanism 510 after welding for the next welding process.

Further, the slag suction assembly 720 comprises a plurality of support frames 721 arranged on the worktable 200 and surrounding the fixture device 400, a suction pipe 722 arranged on the support frames, and a slag suction pump (not shown) communicated with the suction pipe; the purpose of this arrangement is to collect the waste that is cleaned by the cleaning assembly 710.

Further, the cleaning agent supply unit 730 includes a second holder 331 and a liquid distributor 732 provided on the loading and unloading apparatus 600, and a cleaning agent storage tank 733 provided on the second holder; the cleaning agent storage tank 733 is communicated with the liquid distributor 732 and the liquid distributor 732 is communicated with the cleaning injection head 715 through rubber pipes, so that the cleaning agent required for cleaning is continuously supplied to the cleaning assembly.

The utility model discloses a theory of operation does: the conveying line 300 conveys the motor rotors with the same orientation to the area of the loading and unloading device 600, and the first motor 672 drives the first ball screw 671 to rotate, so that the grabbing and rotating unit 650 arranged on the frame assembly 660 moves up and down along the guide sleeve 661 to take and discharge materials; the second motor 652 drives the rotating shaft 651 to rotate 180 degrees, drives the two rotating finger cylinders 654 on the rotating mounting plate 653 to perform 180 degrees, and is combined with the cache mechanism 610 to realize input and output operations on the motor rotor; the motor rotor grasped by the rotary transplanting mechanism 630 is guided by the second guide pin 437 and is precisely inserted into the clamping head 442 under the action of the pressing block 435, the first air cylinder 456 drives the rocker fork 454 to warp, so as to drive the sliding tube 441 in threaded connection with the fastener 444 to move relative to the mounting plate 452, the clamping head 442 is clamped and released under the action of the outer slider clamp assembly 420 fixed on the worktable 200, and the pressing mechanism 430 is combined with the ejector rod 446, so that the depth value of the motor rotor pressed into the clamping head 442 by the pressing mechanism 430 is fixed; because the arc-shaped piece 542 is fixed on the chuck 442, the negative lead 543 attached to the arc-shaped piece 542 can be switched on along with the clamping of the chuck 442, and meanwhile, the third motor 514 drives the second ball screw 575 to rotate, so as to drive the sliding table 562 to move along the sliding rail 561, so as to drive the bending mounting seat 563 to move, so as to realize that the positive electrode 565 attached to the arc-shaped piece 565 is switched on to the positive electrode of the commutator hook, the positive electrode and the negative electrode are respectively contacted with the commutator hook to form a current loop, so that local high temperature is generated, so that the commutator hook is in a softened state, and then the welding operation is completed through the bending action of the positive mechanism 550; through welded electric motor rotor warp go up unloader 600 output back, second rodless cylinder 711 will cleaning brush 716 transplant extremely the top of resistance welding mechanism 510, the driving before third rodless cylinder 712 cleaning brush 716 descends a take the altitude, then fourth rodless cylinder 714 drives cleaning brush 716 washs back and forth the last waste residue is left over after resistance welding mechanism 510 welds in order to prepare for next welding process.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims

1. A commutator bar synchronous resistance welding all-in-one machine of a hook-type commutator comprises a frame, a workbench and a conveying assembly line, wherein the workbench and the conveying assembly line are arranged on the frame; the method is characterized in that: the workbench is provided with a clamp device, a plurality of resistance welding devices, a feeding and discharging device and a cleaning device; the plurality of resistance welding devices are uniformly distributed around the periphery of the clamp device and are arranged in one-to-one correspondence with the commutator segment hooks on the motor rotor clamped on the clamp device; the feeding and discharging device and the cleaning device are respectively erected above the resistance welding device; after the motor rotor is conveyed to the area of the feeding and discharging device through the conveying assembly line, the motor rotor is subjected to direction adjustment and feeding of the feeding and discharging device, clamped by the clamp device, synchronously welded to hooks of commutator segments and winding wires hung on the commutator segments through the plurality of resistance welding devices, conveyed to the conveying assembly line through direction adjustment and discharging of the feeding and discharging device to be processed in a next sequence, and meanwhile, the cleaning device is used for periodically synchronously cleaning the plurality of resistance welding devices.

2. The synchronous resistance welding all-in-one machine of commutator segments of a hook-type commutator of claim 1, which is characterized in that: the feeding and discharging device comprises a plurality of cache mechanisms and a first support which are arranged on the workbench, and a plurality of rotary transplanting mechanisms which are arranged on the first support and erected on the cache mechanisms, wherein the rotary transplanting mechanisms and the cache mechanisms are linearly arranged, and any cache mechanism is arranged between the two rotary transplanting mechanisms; the plurality of buffer mechanisms comprise a first rotary cylinder arranged on the workbench, a buffer mounting plate arranged on the first rotary cylinder, two buffer bearing seats arranged on the buffer mounting plate, first guide pins respectively arranged on the two buffer bearing seats and a first photoelectric sensor arranged on any one of the buffer bearing seats; and the two buffer bearing seats are provided with grooves for arranging the motor rotors.

3. The synchronous resistance welding all-in-one machine of commutator segments of a hook-type commutator of claim 2, which is characterized in that: the rotary transplanting mechanisms comprise taking and transplanting units arranged on the first support and grabbing rotary units arranged on the taking and transplanting units; the material taking and transplanting unit comprises a frame assembly movably arranged on the first support and a first driving assembly for driving the frame assembly to move relative to the first support;

the frame assembly comprises a plurality of guide sleeves arranged on the first support, a plurality of guide rods sliding along the guide sleeves, an upper plate and a lower plate which are arranged at two ends of each guide rod, a first spring sleeved on each guide rod and arranged between the upper plate and the first support, and a second photoelectric sensor arranged on the upper plate;

the first driving assembly comprises a first ball screw penetrating through the first support and connected with the upper plate, a first motor driving the first ball screw to rotate and arranged on the first support, a limiting mounting plate arranged on the first support and positioned at the same side with the upper plate, and a third photoelectric sensor and a fourth photoelectric sensor arranged on the limiting mounting plate.

4. The synchronous resistance welding all-in-one machine of commutator segments of a hook-type commutator of claim 3, characterized in that: the grabbing rotary unit comprises a rotary shaft rotatably arranged on the lower plate, a second motor driving the rotary shaft to rotate, a rotary mounting plate fixedly arranged at the other end of the rotary shaft and rotary finger cylinders respectively arranged at two ends of the rotary mounting plate.

5. The synchronous resistance welding all-in-one machine of commutator segments of a hook-type commutator of claim 1, which is characterized in that: the clamp device comprises a clamp seat mechanism, an outer sliding block clamp assembly sleeved on the clamp seat mechanism and a pressing mechanism erected on the clamp seat mechanism; the clamp seat mechanism comprises an annular clamp seat assembly and a second driving assembly for driving the annular clamp seat assembly to move relative to the outer slide block clamp assembly;

the second driving assembly comprises a mounting frame arranged at the lower end of the workbench, a mounting plate and a mounting beam arranged at the lower end of the mounting frame, a rocker fork movably arranged on the mounting plate, a roller arranged at the forked end of the rocker fork, and a first air cylinder arranged at the other end of the rocker fork and movably connected with the rocker fork;

the annular clamp seat assembly comprises a sliding pipe, a chuck, a retaining ring, a clamping piece, an annular connecting piece, a top rod and a second spring, wherein the sliding pipe slides up and down relative to the mounting plate and penetrates through the workbench, the chuck and the retaining ring are respectively arranged at two ends of the sliding pipe, the clamping piece is in threaded connection with the middle of the sliding pipe, the annular connecting piece is clamped on the clamping piece and sleeved on the sliding pipe, the top rod sequentially penetrates through the sliding pipe and the chuck and is locked on the mounting beam, and the second spring is sleeved on the top rod and is arranged between the mounting beam and the retaining ring; the outer circumferential surface of the chuck is provided with a taper surface with an inverted V-shaped structure; the forked end of the rocker fork is inserted into the annular groove of the annular connecting piece.

6. The synchronous resistance welding all-in-one machine of commutator segments of a hook-type commutator of claim 5, which is characterized in that: the outer sliding block clamp assembly comprises a sliding sleeve, a protective cylinder and a first bushing, wherein the sliding sleeve is sleeved on the chuck and matched with the chuck, the protective cylinder is sleeved on the sliding sleeve, and the first bushing is arranged at the lower end of the sliding sleeve and sleeved on the sliding pipe; the protective cylinder, the sliding sleeve and the first bushing are fastened on the workbench through fasteners.

7. The synchronous resistance welding all-in-one machine of commutator segments of a hook-type commutator of claim 5, which is characterized in that: the pressing mechanism comprises a first rodless cylinder arranged on the workbench, a pressing mounting plate arranged on the first rodless cylinder, a second cylinder and an auxiliary plate which are arranged on the same side of the pressing mounting plate, and a pressing block connected with the second cylinder; auxiliary holes are dug in the auxiliary plate, and the center lines of the auxiliary holes are overlapped with the center line of the pressing block; and a second guide pin is arranged in the auxiliary hole.

8. The synchronous resistance welding all-in-one machine of commutator segments of a hook-type commutator of claim 1, which is characterized in that: the plurality of resistance welding devices comprise resistance welding mechanisms and smoke exhaust components; the resistance welding mechanism comprises a power supply arranged on the workbench, and a negative electrode component and a positive electrode mechanism which surround the periphery of the clamp device;

the smoke exhaust assembly comprises a smoke exhaust mounting seat arranged on the workbench, a mounting rod rotationally connected to the smoke exhaust mounting seat, an adapter movably arranged on the mounting rod and a smoke exhaust pipe movably arranged on the adapter;

the negative electrode assembly is arranged on a negative electrode mounting seat on the workbench, an arc piece arranged on the negative electrode mounting seat and connected with the clamp device, and a negative electrode lead arranged on the arc piece.

9. The synchronous resistance welding all-in-one machine of commutator segments of a hook-type commutator of claim 8, wherein: the positive mechanism comprises a bending assembly, a third driving assembly for driving the bending assembly to move and a limiting assembly for limiting the moving range of the bending assembly; the third driving assembly comprises a bending mounting plate arranged on the workbench, a motor mounting plate and a bearing seat arranged on the bending mounting plate, a third motor arranged on the motor mounting plate, a second ball screw rotatably connected to the bearing seat and a coupling connected with an output shaft of the third motor and the second ball screw;

the bending assembly comprises a sliding rail arranged on the bending mounting plate, a sliding table connected with the second ball screw and sliding in a matched manner with the sliding rail, a bending mounting seat sliding in a matched manner with the sliding rail, an anode mounting seat movably arranged on the bending mounting seat, an anode arranged on the anode mounting seat and a third spring arranged between the bending mounting seat and the sliding table;

the limiting assembly comprises a sensing piece arranged on the bending mounting seat, an original point photoelectric sensor arranged on the bending mounting seat and limiting photoelectric sensors arranged on two sides of the original point photoelectric sensor.

10. The synchronous resistance welding all-in-one machine of commutator segments of a hook-type commutator of claim 1, which is characterized in that: the cleaning device comprises a cleaning component, a slag sucking component and a cleaning agent supply component; the cleaning assembly comprises a second rodless cylinder arranged on the workbench, a third rodless cylinder arranged on the second rodless cylinder, an annular mounting plate arranged on the third rodless cylinder, a fourth rodless cylinder and a plurality of cleaning injection heads arranged on the annular mounting plate, and a plurality of groups of cleaning brushes arranged on the fourth rodless cylinder and positioned below the cleaning injection heads;

the slag suction assembly comprises a plurality of support frames, a suction pipe and a slag suction pump, wherein the support frames are arranged on the workbench and surround the clamp device;

the cleaning agent supply assembly comprises a second bracket and a liquid distributor which are arranged on the feeding and discharging device, and a cleaning agent storage tank arranged on the second bracket; the cleaning agent storage tank and the liquid distributor and the cleaning injection head are communicated through rubber tubes.