CN114101838A

CN114101838A - Assembling and welding equipment for grounding terminal of motor and operation method thereof

Info

Publication number: CN114101838A
Application number: CN202111630125.9A
Authority: CN
Inventors: 刘洪玉; 周华国; 廖建勇
Original assignee: Shenzhen Honest Mechatronic Equipment Co Ltd
Current assignee: Shenzhen Honest Mechatronic Equipment Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-03-01
Anticipated expiration: 2041-12-28
Also published as: CN114101838B

Abstract

The invention discloses an assembly welding device of a motor grounding terminal and an operation method thereof, wherein the assembly welding device comprises a rack, a conveying mechanism, a positioning mechanism, a terminal feeding assembly mechanism, a welding mechanism, a detection mechanism and a material moving mechanism, wherein the terminal feeding assembly mechanism comprises a terminal feeding assembly, a plug-in assembly and an overturning material delivery device, and the overturning material delivery device is connected between the terminal feeding assembly and the plug-in assembly; the welding mechanism comprises a rotary feeding and discharging assembly, a welding gun driving assembly and a tin wire feeding assembly; the conveying mechanism is transversely arranged on the workbench, and the position finding mechanism, the plug-in component, the rotary feeding and discharging component, the detecting mechanism and the material moving mechanism are sequentially arranged beside the conveying mechanism along the conveying direction of the motor. Therefore, the motor terminal assembling and welding equipment is formed by combining the mechanisms on the rack, automatic feeding, inserting and welding operations of the terminals are realized, a large amount of manual labor is saved, and the production efficiency of the motor is improved.

Description

Assembling and welding equipment for grounding terminal of motor and operation method thereof

Technical Field

The invention relates to the technical field of motor assembly, in particular to an assembling and welding device for a grounding terminal of a motor and an operation method thereof.

Background

In modern life, the demand for motors in various industries is increasing, and the yield of the motors produced by manufacturers is increasing year by year. The motor generally includes an iron case, a rotor, a stator, and an end cover, on which a terminal for connecting a power supply is mounted. The existing terminal assembly process is mainly finished manually, the terminal is easily reversely or neglected to assemble by manual assembly, an interface on the end cover is easily damaged by improper manual assembly of the terminal, a large amount of labor is needed during terminal assembly, the assembly efficiency is low, and the reject ratio is high. In order to solve the problem, semi-automatic assembly equipment aiming at the terminals appears on the market, wherein the transfer and the insertion of the terminals still need more manual matching, the welding automation degree of the terminals is lower, and the whole terminal assembly efficiency is still lower. Therefore, a full-automatic assembling and welding device is designed aiming at the assembly of the electronic terminal, and the assembling efficiency and the product percent of pass are improved.

Disclosure of Invention

In view of the above, the present invention is directed to a device for assembling and welding a motor ground terminal and a method for operating the same, in which a terminal loading and assembling mechanism, a welding mechanism, a detection mechanism, a material moving mechanism and a conveying mechanism are combined on a frame to form the device for assembling and welding the motor ground terminal, the device realizes automatic loading, turning and delivering, inserting and welding operations of the terminals, and the assembling and welding operations of the terminals are performed in a fully automatic manner. A large amount of manual labor is saved, and the production efficiency of the motor is improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a motor grounding terminal assembling and welding device comprises a frame, a conveying mechanism arranged on the frame and used for conveying a motor, a positioning mechanism used for positioning the motor, a terminal feeding and assembling mechanism used for conveying a terminal and inserting the terminal on the motor, a welding mechanism used for welding the terminal on the motor, a detection mechanism used for detecting whether the terminal is welded to be qualified or not and a material moving mechanism used for transferring the welded terminal motor, wherein a workbench used for installing each mechanism is arranged on the frame; the terminal feeding and assembling mechanism comprises a terminal feeding assembly, an insertion assembly and an overturning and delivering device, wherein the insertion assembly is used for inserting the terminals onto the motor, the overturning and delivering device is used for transferring the terminals on the feeding assembly to the insertion assembly and changing the placement state of the terminals, and the overturning and delivering device is connected between the terminal feeding assembly and the insertion assembly; the welding mechanism comprises a rotary feeding and discharging assembly, a welding gun driving assembly for driving the welding gun to move and a tin wire feeding assembly, wherein the welding gun is arranged at the output end of the welding gun driving assembly, the rotary feeding and discharging assembly is positioned below the welding gun, and the tin wire feeding assembly is positioned beside the welding gun; the conveying mechanism is transversely arranged on the workbench, and the position finding mechanism, the plug-in component, the rotary feeding and discharging component, the detecting mechanism and the material moving mechanism are sequentially arranged beside the conveying mechanism along the conveying direction of the motor.

As a preferred embodiment: the overturning and material delivering device comprises an overturning and material delivering bracket, a rotary feeding and discharging assembly, a material delivering and overturning assembly and a material pushing assembly, wherein the rotary feeding and discharging assembly is arranged on the overturning and material delivering bracket and comprises a rotary driving cylinder, a rotary seat arranged at the shaft end of the rotary driving cylinder and material receiving blocks arranged at two ends of the rotary seat, and a material receiving groove is vertically arranged on the material receiving blocks; the material passing and overturning assembly comprises a material passing seat, an overturning driving cylinder arranged on the material passing seat and an overturning block arranged at the shaft end of the overturning driving cylinder, wherein the material passing seat is arranged on the overturning material passing support, the overturning block is provided with a containing groove for containing a grounding terminal, and the containing groove corresponds to the material receiving groove; the material pushing assembly comprises a material pushing cylinder arranged on the material delivering seat and a material pushing needle arranged at the shaft end of the material pushing cylinder, and the material pushing needle corresponds to the accommodating groove of the turning block.

As a preferred embodiment: the terminal feeding assembly comprises a vibrating basin and a direct vibration feeder connected to the discharging end of the vibrating basin, and the turnover block is located at the discharging end of the direct vibration feeder in a turnover mode; the insertion assembly comprises an insertion support, an insertion driving air cylinder arranged on the insertion support, an insertion needle arranged at the shaft end of the insertion driving air cylinder and a support assembly used for supporting a motor, the insertion support is positioned beside the rotary driving air cylinder, the insertion driving air cylinder is vertically arranged on the insertion support, and the insertion needle is positioned above the material receiving block; the supporting assembly comprises a supporting seat and a supporting seat driving cylinder for driving the supporting seat to longitudinally move below the insertion support, the supporting seat driving cylinder is installed below the insertion support, and the supporting seat is installed at the output end of the supporting seat driving cylinder and located below the material receiving block.

As a preferred embodiment: the turnover block is provided with an arc part which can be rotationally matched with the discharge end of the direct vibration feeder and a plane part which is flush with the plane where the material receiving groove of the material receiving block is located, and the accommodating groove is vertically arranged on the plane part.

As a preferred embodiment: the rotary feeding and discharging assembly comprises a base, a rotary cylinder arranged on the base, a rotary seat arranged at the shaft end of the rotary cylinder, placing seats arranged at the two ends of the rotary seat and used for placing a motor, and a belt transmission compensation assembly used for enabling the placing seats to keep the angle unchanged after rotating 180 degrees along with the rotary seat, wherein the belt transmission compensation assembly comprises two middle belt wheels, two transmission belts and at least two rotary belt wheels, the two middle belt wheels are fixedly and vertically arranged at the shaft end of the rotary cylinder, the rotary belt wheels are rotatably arranged at the two ends of the rotary seat, and the placing seats are fixedly connected with the rotary belt wheels; one of the transmission belts is sleeved on one of the middle belt wheels and the rotating belt wheel, and the other transmission belt is sleeved on the other of the middle belt wheels and the other rotating belt wheel.

As a preferred embodiment: two placing seats are respectively arranged at two ends of the rotating seat at intervals, the rotating belt wheels are fixedly connected below each placing seat respectively, and a transmission belt is sleeved on one of the middle belt wheels and the two rotating belt wheels on the same side; the other transmission belt is sleeved on the other middle belt wheel and the two rotary belt wheels on the other side.

As a preferred embodiment: the welding gun driving assembly comprises a welding gun support, a lifting driving device arranged on the welding gun support and a protective block device used for covering a non-welding area of the motor during terminal welding, wherein the lifting driving device comprises a sliding table, an upward pulling cylinder, a downward pushing cylinder, a sliding seat and a supporting plate, and the sliding table is vertically arranged on the welding gun support; the sliding seat can be arranged on the sliding table in a vertically sliding manner; the pull-up cylinder is arranged at the upper end of the sliding table and is connected with the sliding seat; the push-down cylinder is arranged at the lower end of the sliding table and is connected with the sliding seat; the supporting plate is fixedly connected to the sliding seat; the block protection device comprises a protection block and a driving cylinder for driving the protection block to ascend and descend, wherein the driving cylinder is vertically arranged on a supporting plate, and the protection block is arranged at the end of a shaft of the driving cylinder.

As a preferred embodiment: the tin wire feeding assembly comprises a wire feeding support, a wire winding wheel arranged on the wire feeding support, a wire feeding driving device for driving the tin wire to move forwards and a wire leading device for guiding the tin wire to extend to a terminal, and the wire winding wheel is rotatably arranged on the wire feeding support; the wire feeding driving device is positioned on the front side of the wire winding wheel; the wire leading device comprises a wire leading support, a wire leading cylinder arranged on the wire leading support and a wire leading nozzle arranged on the output end of the wire leading cylinder, wherein a tin wire passes through the wire feeding driving device by a wire winding wheel and then penetrates out of the wire leading nozzle; the wire guiding nozzle faces the welding gun.

As a preferred embodiment: the locating mechanism comprises a rotary driving assembly used for driving the motor to rotate and a locating assembly used for elastically abutting against the outer wall of the motor to locate the motor, the rotary driving assembly is provided with a rotary seat used for placing the motor, the locating assembly is provided with an elastically telescopic abutting head, and the abutting head can be elastically close to or far away from the rotary seat.

As a preferred embodiment: the detection mechanism comprises a detection support, a first CCD photographing device and a second CCD photographing device, wherein the first CCD photographing device is installed on the detection support and used for detecting whether a terminal is welded or not, and the second CCD photographing device is used for detecting whether a wire drawing phenomenon exists or not when the terminal is welded or not.

An operation method of the assembly welding equipment for the grounding terminal of the motor comprises the following steps:

s1, the motor on the conveying mechanism is transferred to a positioning mechanism, and the positioning mechanism positions the motor in the circumferential direction to prepare for the subsequent insertion of the terminals;

s2, the terminal feeding assembly sends the terminals to the overturning and conveying device, and the overturning and conveying device adjusts the terminals from a horizontal state to a vertical state and transfers the terminals to the inserting assembly;

s3, inserting the terminals onto the motor which is located well by the inserting assembly, and moving the motor which is installed with the terminals to the welding mechanism;

s4, rotating the motor to a welding position by the rotary feeding and discharging assembly of the welding mechanism, enabling the welding gun to be close to the terminal under the action of the welding gun driving assembly, synchronously guiding the tin wire to the terminal by the tin wire feeding assembly, and welding and fixing the terminal on the motor by the welding gun;

s5, transferring the welded motor to a detection mechanism, and detecting whether the welding position of the terminal is welded and whether the wire drawing phenomenon exists in the welding process by the detection mechanism;

and S6, discharging the motor which is qualified in detection by the material moving mechanism, and collecting and transferring the unqualified motor.

Compared with the prior art, the motor terminal assembling and welding device has the advantages and beneficial effects, and particularly, according to the technical scheme, the terminal loading assembling mechanism, the welding mechanism, the detection mechanism, the material moving mechanism and the conveying mechanism are combined on the rack to form the assembling and welding device for the motor terminal, so that the automatic loading, overturning and material delivering, inserting and welding operations of the terminal are realized, and the assembling and welding operations of the terminal are completely and automatically carried out. Therefore, a large amount of manual labor is saved, the production efficiency of the motor is improved, meanwhile, the automatic detection mechanism is arranged to detect the motor with the welded terminal, and the product percent of pass is improved.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of another perspective of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a perspective view of the terminal loading and assembling mechanism of the present invention;

FIG. 5 is a perspective view of another perspective of the terminal loading and assembling mechanism of the present invention;

FIG. 6 is a perspective view of the material transferring device of the present invention;

FIG. 7 is a perspective view of the main structure of the insertion assembly of the present invention;

FIG. 8 is a perspective view of the welding mechanism of the present invention;

FIG. 9 is a perspective view of another perspective of the welding mechanism of the present invention;

FIG. 10 is a perspective view of the main body structure of the welding mechanism of the present invention;

FIG. 11 is a perspective view of another perspective of the main body structure of the welding mechanism of the present invention;

FIG. 12 is a perspective view of a rotary feeding and discharging assembly of the welding mechanism of the present invention.

The attached drawings indicate the following:

10. a frame; 11. a work table; 20. a conveying mechanism; 21. a feed line; 22. discharging the material line; 30. a position finding mechanism; 31. a rotary drive assembly; 311. a rotating base; 312. a motor; 32. a positioning assembly; 321. a butting head; 322. a driving cylinder; 33. pressing the assembly; 331. a pressure head; 332. pressing down the air cylinder; 40. a terminal feeding and assembling mechanism; 41. a terminal feeding assembly; 411. vibrating the basin; 412. a direct vibration feeder; 42. plugging the component; 421. inserting a bracket; 422. a driving cylinder is inserted; 423. inserting a needle; 424. a support assembly; 4241. a supporting seat; 4242. the supporting seat drives the cylinder; 425. a needle protection block; 4251. a needle protection groove; 426. a sensor; 427. connecting blocks; 428. a guide bar; 43. turning over the material conveying device; 431. turning over the material conveying bracket; 432. rotating the feeding and discharging assembly; 4321. a rotary driving cylinder; 4322. a rotating base; 4323. a material receiving block; 4324. a material receiving groove; 4325. a support block; 4326. a spring; 4327. a limiting block; 4328. a limit bolt; 433. a material delivery and turnover assembly; 4331. a material delivery seat; 4332. a turnover driving cylinder; 4333. turning over the block; 4334. a containing groove; 4335. a sensor; 4336. an arc-shaped portion; 4337. a planar portion; 434. the pushing assembly 4341 and the pushing cylinder; 4342. a pushing needle; 50. a welding mechanism; 51. rotating the feeding and discharging assembly; 511. a base; 512. a rotating cylinder; 513. a rotating base; 514. a placing seat; 515. a belt drive compensation assembly; 5151. an intermediate pulley; 5152. a transmission belt; 5153. a rotating pulley; 5154. a tension wheel; 52. a welding gun; 53. a welding gun drive assembly; 531. a welding gun support; 532. a lift drive; 5321. a sliding table; 5322. a pull-up cylinder; 5323. pushing down the cylinder; 5324. a sliding seat; 5325. a support plate; 533. a block protection device; 5331. protecting the block; 5332. a driving cylinder; 54. a tin wire feeding assembly; 541. feeding a wire support; 542. a wire winding wheel; 543. a wire feeding driving device; 544. a wire guiding device; 5441. a wire guide bracket; 5442. a wire leading cylinder; 5443. a threading mouth; 55. a smoking device; 551. a main smoke extraction pipe; 552. an auxiliary smoke extraction pipe; 553. a fan; 60. a detection mechanism; 61. detecting the bracket; 62. a first CCD photographing device; 63. a second CCD camera; 64. a lifting cylinder; 70. a material moving mechanism; 80. a synchronous material moving device; 81. a material moving bracket; 82. a transverse slide plate; 83. a transverse driving cylinder; 84. a vertical slide plate; 85. a vertical driving cylinder; 86. a material clamping cylinder; 90. a transfer mechanism; 91. transferring the stent; 92. transferring the clamping jaw; 93. a vertical drive assembly; 94. a lateral drive assembly; 100. and a defective product collecting area.

Detailed Description

As shown in fig. 1 to 12, the present invention provides an assembling and welding device for a motor ground terminal and an operating method thereof, including a frame 10, a conveying mechanism 20 mounted on the frame 10 for conveying a motor, a positioning mechanism 30 for positioning the motor, a terminal loading and assembling mechanism 40 for conveying a terminal and inserting the terminal on the motor, a welding mechanism 50 for welding the terminal on the motor, a detecting mechanism 60 for detecting whether the terminal is welded, a material moving mechanism 70 for transferring the welded terminal motor, and a defective product collecting area 100, wherein:

the frame 10 is provided with a table 11 on which the above-described mechanisms are mounted, and the above-described mechanisms are mounted on the table 11.

The conveying mechanism 20 is transversely arranged on the workbench 11, and the conveying mechanism 20 adopts a belt transmission mode and can also adopt other modes according to requirements; in this embodiment, the conveying mechanism 20 has a feeding line 21 and a discharging line 22, and the feeding line 21 and the discharging line 22 are disposed in parallel on the table 11.

The positioning mechanism 30 is located beside the conveying mechanism 20, and includes a rotary driving component 31 for driving the motor to rotate, a positioning component 32 for elastically abutting against the outer wall of the motor to position the motor, and a pressing component 33 for abutting against the motor downwards, the rotary driving component 31 has a rotary seat 311 for placing the motor and a motor 312 (not shown) for driving the rotary seat 311 to rotate, the positioning component 32 has an elastically telescopic abutting head 321 and a driving cylinder 322 for driving the abutting head 321 to move longitudinally, and the abutting head 321 can elastically approach or depart from the rotary seat 311 under the driving of the driving cylinder 322; the pressing assembly 33 comprises a pressing head 331 and a pressing cylinder 332, the pressing cylinder 332 is vertically positioned above the rotating base 311, and the pressing head 331 is rotatably mounted at the shaft end of the pressing cylinder 332.

After the motor reaches the rotary base 311 of the positioning mechanism 30 from the conveying mechanism 20, the pressing cylinder 332 drives the pressing head 331 to press against the motor downwards, and since the pressing head 331 can rotate, when the motor 312 drives the rotary base 311 to rotate, the pressing head 331 rotates along with the motor; the driving cylinder 322 drives the abutting head 321 to elastically abut against the outer wall of the motor, and the abutting head 321 is inserted into the gap of the motor housing along with the rotation of the motor, at this time, the motor 312 stops rotating, the abutting head 321 resets, and the motor is positioned.

The terminal feeding and assembling mechanism 40 includes a terminal feeding assembly 41, an insertion assembly 42 for inserting the terminal into the motor, and an inverted transfer device 43 for transferring the terminal on the feeding assembly to the insertion assembly 42 and changing the placement state of the terminal, wherein the inverted transfer device 43 is connected between the terminal feeding assembly 41 and the insertion assembly 42.

The turnover material conveying device 43 comprises a turnover material conveying support 431, a rotary feeding and discharging assembly 432, a material conveying and overturning assembly 433 and a material pushing assembly 434, wherein the rotary feeding and discharging assembly 432 is installed on the turnover material conveying support 431, the rotary feeding and discharging assembly 432 comprises a rotary driving cylinder 4321, a rotary seat 4322 installed at the shaft end of the rotary driving cylinder 4321 and material receiving blocks 4323 installed at two ends of the rotary seat 4322, a material receiving groove 4324 is vertically arranged on the material receiving block 4323, and the rotary driving cylinder 4321 drives the rotary seat 4322 to rotate so as to realize synchronous feeding (a motor with a terminal to be installed) and discharging (a motor with a terminal installed) of the material receiving block 4323; the material delivery turning assembly 433 comprises a material delivery seat 4331, a turning driving cylinder 4332 arranged on the material delivery seat 4331, and a turning block 4333 arranged at the shaft end of the turning driving cylinder 4332, wherein the material delivery seat 4331 is arranged on the turning material delivery bracket 431, the turning block 4333 is provided with a containing groove 4334 for containing a grounding terminal, and the containing groove 4334 corresponds to the material receiving groove 4324; the pushing assembly 434 includes a pushing cylinder 4341 mounted on the material delivering seat 4331 and a pushing pin 4342 mounted at the axial end of the pushing cylinder 4341, wherein the pushing pin 4342 corresponds to the receiving groove 4334 of the turning block 4333. A supporting block 4325 is respectively disposed at two ends of the rotary seat 4322, and the material receiving block 4323 is vertically and elastically mounted on the supporting block 4325 in a floating manner (a spring 4326 is disposed between the supporting block 4325 and the material receiving block 4323, and the spring 4326 is used for driving the material receiving block 4323 to elastically return upwards); and limiting blocks 4327 are arranged at two ends of the rotating seat 4322 corresponding to the lower part of the material receiving block 4323, a limiting bolt 4328 is arranged on the limiting block 4327, the limiting bolt 4328 can be adjusted to lift relative to the limiting block 4327, and the limiting bolt 4328 is correspondingly arranged below the material receiving block 4323, so that the material receiving block 4323 can be prevented from being lowered by too much to exceed a predetermined distance. A sensor 4335 for detecting whether the ground terminal reaches the receiving groove 4334 is disposed on the material feeding seat 4331. The embodiment includes two sets of terminal feeding assemblies 41 and insertion assemblies 42, and the two sets of feeding assemblies and insertion assemblies 42 correspond to each other one by one.

The terminal feeding assembly 41 comprises a vibrating basin 411 and a direct vibration feeder 412 connected to the discharging end of the vibrating basin 411, and the turning block 4333 can be located at the discharging end of the direct vibration feeder in a turning manner; the inserting assembly 42 includes an inserting support 421, an inserting driving cylinder 422 mounted on the inserting support 421, an inserting needle 423 mounted at a shaft end of the inserting driving cylinder 422, and a support assembly 424 for supporting the motor, the inserting support 421 is located beside the rotary driving cylinder 4321, the inserting driving cylinder 422 is vertically mounted on the inserting support 421, and the inserting needle 423 is located above the receiving block 4323; the supporting assembly 424 includes a supporting seat 4241 and a supporting seat driving cylinder 4242 for driving the supporting seat 4241 to move longitudinally below the inserting support 421, the supporting seat driving cylinder 4242 is installed below the inserting support 421, and the supporting seat 4241 is installed at the output end of the supporting seat driving cylinder 4242 and is located below the receiving block 4323. The plug-in support 421 is provided with a needle protection block 425 for preventing the plug-in needle 423 from being stressed and bent when pressed downwards, a needle protection groove 4251 is vertically arranged on the needle protection block 425, the plug-in needle 423 can be in sliding contact with the needle protection groove 4251 in a vertically movable manner, and the needle protection groove 4251 is mainly used for abutting against the plug-in needle 423 so as to prevent the plug-in needle 423 from being bent and damaged when pressed downwards against a terminal. The turning block 4333 has an arc portion 4336 rotatably fitted to the discharge end of the direct vibration feeder 412 and a planar portion 4337 flush with the plane of the receiving slot 4324 of the receiving block 4323, the receiving slot 4334 is vertically disposed on the planar portion 4337, and the arc portion 4336 is designed to prevent the turning block 4333 from interfering with the discharge end of the direct vibration feeder 412 during turning, so as to ensure normal turning of the turning block 4333; a sensor 426 for detecting whether a motor is present below the insertion pin 423 is provided below the insertion holder 421; a connecting block 427 is provided at the axial end of the insertion driving cylinder 422, a guide rod 428 for guiding the connecting block 427 to move up and down is provided on the insertion holder 421, the guide rod 428 is vertically slidably attached to the insertion holder 421, the connecting block 427 is attached to the lower end of the guide rod 428, and the insertion pin 423 is vertically provided on the connecting block 427.

The working principle of the terminal feeding and assembling mechanism is as follows: the turning block 4333 is horizontally connected with the direct vibration feeder 412; the vibration basin 411 is provided with terminals, and enters the containing groove 4334 of the turning block 4333 through the direct vibration feeder 412, and the turning driving cylinder 4332 drives the turning block 4333 to turn from the horizontal state to the vertical state (change the placing state of the terminals); the pushing cylinder 4341 drives the pushing pin 4342 to extend downward into the receiving groove 4334, and the terminal in the receiving groove 4334 is pushed downward to the receiving groove 4324 of the receiving block 4323. The rotary driving cylinder 4321 drives the rotary seat 4322 to rotate so as to rotate the material receiving block 4323 provided with the terminals to the lower part of the insertion needle 423; at this time, the supporting seat 4241 provided with the motor (located) is driven by the supporting seat driving cylinder 4242 to move longitudinally to the position below the receiving groove 4324, the inserting driving cylinder 422 drives the inserting needle 423 to extend downwards into the receiving groove 4324 to push the terminal in the receiving groove 4324 to the upper end of the motor on the supporting seat 4241 in a vertical pushing manner, and therefore feeding and assembling of the terminal are completed.

The terminal feeding assembly 41, the inserting assembly 42 and the overturning and conveying device 43 are respectively provided in two groups, as shown in fig. 4 to 7, and the two groups are arranged side by side to realize rapid feeding and assembling of two groups of mechanisms, thereby improving the production efficiency.

The welding mechanism 50 comprises a rotary feeding and discharging assembly 51, a welding gun 52, a welding gun driving assembly 53 for driving the welding gun 52 to move, and a tin wire feeding assembly 54, wherein the welding gun 52 is mounted on the output end of the welding gun driving assembly 53, the rotary feeding and discharging assembly 51 is positioned below the welding gun 52, and the tin wire feeding assembly 54 is positioned beside the welding gun 52.

The rotary feeding and discharging assembly 51 comprises a base 511, a rotary cylinder 512 mounted on the base 511, a rotary base 513 mounted at the shaft end of the rotary cylinder 512, placing bases 514 mounted at both ends of the rotary base 513 and used for placing motors, and a belt transmission compensation assembly 515 for keeping the angle of the placing bases 514 unchanged after the placing bases 514 rotate 180 degrees along with the rotary base 513, wherein the belt transmission compensation assembly 515 comprises two intermediate pulleys 5151, two transmission belts 5152 and at least two rotary pulleys 5153; the two middle belt wheels 5151 are fixedly and vertically arranged at the shaft end of the rotary cylinder 512, the rotary belt wheels 5153 are rotatably arranged at the two ends of the rotary base 513, and the placing base 514 is fixedly connected with the rotary belt wheels 5153; one of the transmission belts 5152 is sleeved on one of the intermediate pulleys 5151 and the rotating pulley 5153 at one end, and the other transmission belt 5152 is sleeved on the other intermediate pulley 5151 and the rotating pulley 5153 at the other end. In this embodiment, two placing seats 514 are respectively disposed at two ends of the rotating seat 513 at intervals, and the rotating pulleys 5153 are respectively fixedly connected below each placing seat 514, wherein a driving belt 5152 is sleeved on one of the middle pulleys 5151 and the two rotating pulleys 5153 at one end; another belt 5152 is sleeved on the other intermediate pulley 5151 and the two rotary pulleys 5153 at the other end. Tension pulleys 5154 for tensioning the two transmission belts 5152 are symmetrically arranged on the rotating base 513, and the tension pulleys 5154 are tightly attached to the transmission belts 5152. The intermediate pulley 5151 and the rotary pulley 5153 are preferably timing pulleys, and the transmission belt 5152 is preferably a timing belt.

When revolving cylinder 512 drive roating seat 513 rotates 180, two middle pulleys 5151 are fixed, and drive belt 5152 will drive rotatory pulley 5153 along with the rotation of roating seat 513 and rotate, and rotatory pulley 5153 drives the corresponding seat 514 of placing and rotates to guarantee to place the back that seat 514 spatial position takes place 180 rotatory changes, its self circumference angle and rotatory preceding keep unanimous (look for the angle after the position), thereby, accomplish the terminal welding smoothly.

The welding gun driving assembly 53 comprises a welding gun support 531, a lifting driving device 532 arranged on the welding gun support 531 and a protective block device 533 used for covering a non-welding area of a motor to prevent the non-welding area from being damaged when a terminal is welded, wherein the lifting driving device 532 comprises a sliding table 5321, an upward pulling cylinder 5322, a downward pushing cylinder 5323, a sliding seat 5324 and a supporting plate 5325, and the sliding table 5321 is vertically arranged on the welding gun support 531; the sliding seat 5324 can be slidably mounted on the sliding platform 5321 up and down; the pull-up cylinder 5322 is mounted at the upper end of the sliding table 5321 and connected with the sliding seat 5324; the push-down cylinder 5323 is mounted at the lower end of the sliding table 5321 and connected with the sliding seat 5324; the upward-pulling cylinder 5322 and the downward-pushing cylinder 5323 are matched with each other (the output ends of the two cylinders move in the same direction to drive the welding gun to move), the lifting distance of the welding gun 52 is more accurate, and the problem that the moving precision of the welding gun 52 is not high due to the fact that one cylinder is used for driving in the traditional welding process is solved. The support plate 5325 is fixedly connected to the sliding seat 5324; the protection block device 533 comprises a protection block 5331 and a driving cylinder 5332 for driving the protection block 5331 to ascend and descend, the driving cylinder is vertically arranged on the support plate 5325, and the protection block 5331 is arranged at the shaft end of the driving cylinder 5332. Two welding guns 52 are provided, the two welding guns 52 are arranged on the support plate 5325 in an inverted splayed shape and are positioned at two sides of the protection block 5331; the welding gun 52 can be installed on the support plate 5325 in a front-back adjustable mode; the welding torch 52 is connected to the support plate 5325 through a seat body that can slide back and forth on the support plate 5325, and the movement of the seat body can be controlled by bolts, so that the welding torch 52 can be adjusted back and forth.

The tin wire feeding assembly 54 comprises a wire feeding bracket 541, a wire winding wheel 542 arranged on the wire feeding bracket 541, a wire feeding driving device 543 for driving the tin wire to move forward, and a wire guiding device 544 for guiding the tin wire to extend to a terminal, wherein the wire winding wheel 542 is rotatably arranged on the wire feeding bracket 541; the wire feeding driving device 543 is located in front of the wire winding wheel 542; the wire guiding device 544 comprises a wire guiding bracket 5441, a wire guiding cylinder 5442 arranged on the wire guiding bracket 5441 and a wire guiding nozzle 5443 arranged on the output end of the wire guiding cylinder 5442, wherein a tin wire passes through a wire feeding driving device 543 by a wire winding wheel 542 (the wire feeding driving device 543 adopts a driving mode that a motor drives a gear to rotate, the tin wire is attached to the gear, the tin wire is stirred forwards along with the rotation of the gear to realize wire feeding), and then the tin wire passes out of the wire guiding nozzle 5443; the wire guide 5443 faces the welding gun 52.

The welding mechanism 50 has two sets of welding guns 52, each set of welding guns 52 having two welding guns 52 arranged in an inverted splayed configuration; two groups of the above tin wire feeding assemblies 54 are arranged corresponding to the two groups of welding guns 52, and each group of the tin wire feeding assemblies 54 corresponds to one group of the welding guns 52; the welding mechanism 50 further includes a smoke exhaust device 55 for exhausting toxic gas generated during welding, the smoke exhaust device 55 includes a main smoke exhaust pipe 551, two auxiliary smoke exhaust pipes 552 and a fan 553, the upper end of the main smoke exhaust pipe 551 is connected with the fan 553 (not shown), the lower end of the main smoke exhaust pipe is connected with the upper ends of the two auxiliary smoke exhaust pipes 552, and the lower ends of the two auxiliary smoke exhaust pipes 552 are correspondingly faced to the two welding guns one by one.

The working principle of the welding mechanism is as follows: the motor with the terminals is rotationally fed to the position below the welding gun 52 by rotating the feeding and discharging assembly 51, and the welding gun driving assembly 53 drives the welding gun 52 to be close to the terminals; meanwhile, the tin wire feeding assembly 54 is automatically fed, and the protective block device 533 covers the non-welding area of the motor to prevent high-temperature damage during terminal welding. The motor terminal after welding is discharged in a rotating way by the rotating feeding and discharging assembly 51, and meanwhile, the motor terminal to be welded is fed again; the fume extractor 55 extracts out the toxic gases generated by the welding.

The detection mechanism 60 comprises a detection support 61, a first CCD photographing device 62 which is arranged on the detection support 61 and used for detecting whether the terminal is welded or not and a second CCD photographing device 63 which is used for detecting whether the terminal is welded or not and has a wire drawing phenomenon or not. A lifting cylinder 64 for lifting the motor after the terminal is welded is arranged corresponding to the first CCD photographing device 62 and the second CCD photographing device 63 (the output end of the lifting cylinder 64 is provided with a placing seat for placing the motor, and the motor is placed on the placing seat), and the lifting cylinder 64 lifts the motor transmitted by the following synchronous material moving device 80 to the front of the first CCD photographing device 62 and the second CCD photographing device 63 for photographing detection.

The positioning mechanism 30, the insertion component 42, the rotary feeding and discharging component 51, the detection mechanism 60 and the material moving mechanism 70 are sequentially arranged beside the conveying mechanism 20 along the conveying direction of the motor.

A synchronous material moving device 80 is further arranged between the conveying mechanism 20 and the positioning mechanism 30, the plug-in assembly component 42, the rotary feeding and discharging component 51, the detecting mechanism 60 and the material moving mechanism 70, the synchronous material moving device 80 comprises a material moving support 81, a transverse sliding plate 82, a transverse driving air cylinder 83, a vertical sliding plate 84, a vertical driving air cylinder 85 and a plurality of material clamping air cylinders 86, the material moving support 81 is transversely arranged on the workbench 11, the transverse sliding plate 82 can be transversely and slidably arranged on the material moving support 81, the transverse driving air cylinder 83 (not shown) is arranged on the material moving support 81, and the shaft end of the transverse driving air cylinder is connected with the transverse sliding plate 82; the vertical sliding plate 84 can be vertically and slidably mounted on the transverse sliding plate 82, the vertical driving air cylinder 85 is vertically mounted on the vertical sliding plate 84, and the shaft end of the vertical driving air cylinder is connected with the transverse sliding plate 82; the plurality of material clamping cylinders 86 are arranged on the vertical sliding plate 84 at intervals; under the action of the transverse driving cylinder 83 and the vertical driving cylinder 85, the plurality of material clamping cylinders 86 reciprocate among the rotating base 311 of the positioning mechanism 30, the supporting base 4241 of the insertion assembly 42, the placing base 514 of the rotary feeding and discharging assembly 51, the detecting mechanism 60 and the material moving mechanism 70 to perform the motor transfer operation. When the synchronous moving device 80 operates, the material clamping cylinders 86 clamp the motors at corresponding positions, and then when the shaft ends of the vertical driving cylinders 85 extend out, the cylinder bodies drive the vertical sliding plates 84 to lift, and the plurality of material clamping cylinders 86 lift synchronously; the transverse driving cylinder 83 drives the transverse sliding plate 82 to move to drive the plurality of material clamping cylinders 86 to move synchronously, and after the transverse sliding plate moves in place, the vertical driving cylinder 85 drives the plurality of material clamping cylinders 86 to descend so as to place the motor at a corresponding position (such as a rotating seat, a supporting seat, a placing seat and the like); the vertical driving cylinder 85 drives the plurality of material clamping cylinders 86 to lift again, and the transverse driving cylinder 83 drives the plurality of material clamping cylinders 86 to move transversely to the original position again, so that the sequential circulation is realized, and the sequential transfer of the motors on each station is realized.

In addition, a transfer mechanism 90 for transferring a motor of a terminal to be mounted on the feed line 21 of the conveying mechanism 20 onto the synchronous material moving device 80 is arranged between the synchronous material moving device 80 and the conveying mechanism 20, the transfer mechanism 90 comprises a transfer bracket 91, a transfer clamping jaw 92, a vertical driving assembly 93 for driving the transfer clamping jaw 92 to vertically move, and a transverse driving assembly 94 for driving the transfer clamping jaw 92 to transversely move, the transverse driving assembly 94 is mounted on the transfer bracket 91, the vertical driving assembly 93 is mounted on an output end of the transverse driving assembly 94, the transfer clamping jaw 92 is mounted on an output end of the vertical driving assembly 93, the transverse driving assembly 94 and the vertical driving assembly 93 respectively comprise an air cylinder and a sliding block, the sliding block is mounted at an end of the air cylinder, and the sliding block is an output end. The transfer gripper 92 first clamps and transfers the motor on the conveying mechanism 20 to the rotary base 311 of the positioning mechanism 30, and after the motor positioning is completed, the material clamping cylinder 86 of the synchronous material transferring device 80 transfers the motor to the support base 4241 of the insertion assembly 42, the placing base 514 of the rotary material feeding and discharging assembly 51, the lifting cylinder 64 of the detecting mechanism 60 and the material transferring mechanism 70 in sequence.

The material moving mechanism 70 is used for transferring the qualified motor to the material outlet line 22 of the conveying mechanism 20; transferring the unqualified motor to an unqualified product collecting area 100 (the unqualified product collecting area is positioned beside the material transferring mechanism 70); the material moving mechanism 70 is specifically a motor (detected) that lifts the lift cylinder 64 to the material discharging line 22 or the defective product collecting area 100 of the conveying mechanism 20. The material moving mechanism 70 has the same structure and principle as the transferring mechanism 90, and is not described herein.

The operation method of the assembly welding equipment comprises the following steps:

The invention is mainly designed in that the terminal loading and assembling mechanism, the welding mechanism, the detection mechanism, the material moving mechanism and the conveying mechanism are combined on the rack to form the assembling and welding equipment for the motor terminal, the equipment realizes the automatic loading, overturning and delivering, inserting and welding operations of the terminal, and the assembling and welding operations of the terminal are carried out automatically. Therefore, a large amount of manual labor is saved, the production efficiency of the motor is improved, meanwhile, the automatic detection mechanism is arranged to detect the motor with the welded terminal, and the product percent of pass is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a ground terminal equipment welding equipment of motor which characterized in that: the terminal welding machine comprises a rack, a conveying mechanism, a positioning mechanism, a terminal feeding and assembling mechanism, a welding mechanism, a detection mechanism and a material moving mechanism, wherein the conveying mechanism is arranged on the rack and used for conveying a motor, the positioning mechanism is used for performing positioning operation on the motor, the terminal feeding and assembling mechanism is used for conveying a terminal and inserting the terminal into the motor, the welding mechanism is used for welding the terminal onto the motor, the detection mechanism is used for detecting whether the terminal is welded to be qualified or not, and the material moving mechanism is used for transferring the welded terminal motor; the terminal feeding and assembling mechanism comprises a terminal feeding assembly, an insertion assembly and an overturning and delivering device, wherein the insertion assembly is used for inserting the terminals onto the motor, the overturning and delivering device is used for transferring the terminals on the feeding assembly to the insertion assembly and changing the placement state of the terminals, and the overturning and delivering device is connected between the terminal feeding assembly and the insertion assembly; the welding mechanism comprises a rotary feeding and discharging assembly, a welding gun driving assembly for driving the welding gun to move and a tin wire feeding assembly, wherein the welding gun is arranged at the output end of the welding gun driving assembly, the rotary feeding and discharging assembly is positioned below the welding gun, and the tin wire feeding assembly is positioned beside the welding gun; the conveying mechanism is transversely arranged on the workbench, and the position finding mechanism, the plug-in component, the rotary feeding and discharging component, the detecting mechanism and the material moving mechanism are sequentially arranged beside the conveying mechanism along the conveying direction of the motor.

2. The apparatus for assembling and welding a ground terminal of a motor according to claim 1, wherein: the overturning and material delivering device comprises an overturning and material delivering bracket, a rotary feeding and discharging assembly, a material delivering and overturning assembly and a material pushing assembly, wherein the rotary feeding and discharging assembly is arranged on the overturning and material delivering bracket and comprises a rotary driving cylinder, a rotary seat arranged at the shaft end of the rotary driving cylinder and material receiving blocks arranged at two ends of the rotary seat, and a material receiving groove is vertically arranged on the material receiving blocks; the material passing and overturning assembly comprises a material passing seat, an overturning driving cylinder arranged on the material passing seat and an overturning block arranged at the shaft end of the overturning driving cylinder, wherein the material passing seat is arranged on the overturning material passing support, the overturning block is provided with a containing groove for containing a grounding terminal, and the containing groove corresponds to the material receiving groove; the material pushing assembly comprises a material pushing cylinder arranged on the material delivering seat and a material pushing needle arranged at the shaft end of the material pushing cylinder, and the material pushing needle corresponds to the accommodating groove of the turning block.

3. The apparatus for assembling and welding a ground terminal of a motor according to claim 2, wherein: the terminal feeding assembly comprises a vibrating basin and a direct vibration feeder connected to the discharging end of the vibrating basin, and the turnover block is located at the discharging end of the direct vibration feeder in a turnover mode; the insertion assembly comprises an insertion support, an insertion driving air cylinder arranged on the insertion support, an insertion needle arranged at the shaft end of the insertion driving air cylinder and a support assembly used for supporting a motor, the insertion support is positioned beside the rotary driving air cylinder, the insertion driving air cylinder is vertically arranged on the insertion support, and the insertion needle is positioned above the material receiving block; the supporting assembly comprises a supporting seat and a supporting seat driving cylinder for driving the supporting seat to longitudinally move below the insertion support, the supporting seat driving cylinder is installed below the insertion support, and the supporting seat is installed at the output end of the supporting seat driving cylinder and located below the material receiving block.

4. The apparatus for assembling and welding a ground terminal of a motor according to claim 3, wherein: the turnover block is provided with an arc part which can be rotationally matched with the discharge end of the direct vibration feeder and a plane part which is flush with the plane where the material receiving groove of the material receiving block is located, and the accommodating groove is vertically arranged on the plane part.

5. The apparatus for assembling and welding a ground terminal of a motor according to claim 1, wherein: the rotary feeding and discharging assembly comprises a base, a rotary cylinder arranged on the base, a rotary seat arranged at the shaft end of the rotary cylinder, placing seats arranged at the two ends of the rotary seat and used for placing a motor, and a belt transmission compensation assembly used for enabling the placing seats to keep the angle unchanged after rotating 180 degrees along with the rotary seat, wherein the belt transmission compensation assembly comprises two middle belt wheels, two transmission belts and at least two rotary belt wheels, the two middle belt wheels are fixedly and vertically arranged at the shaft end of the rotary cylinder, the rotary belt wheels are rotatably arranged at the two ends of the rotary seat, and the placing seats are fixedly connected with the rotary belt wheels; one of the transmission belts is sleeved on one of the middle belt wheels and the rotating belt wheel, and the other transmission belt is sleeved on the other of the middle belt wheels and the other rotating belt wheel.

6. The apparatus for assembling and welding a ground terminal of a motor according to claim 5, wherein: two placing seats are respectively arranged at two ends of the rotating seat at intervals, the rotating belt wheels are fixedly connected below each placing seat respectively, and a transmission belt is sleeved on one of the middle belt wheels and the two rotating belt wheels on the same side; the other transmission belt is sleeved on the other middle belt wheel and the two rotary belt wheels on the other side.

7. The apparatus for assembling and welding a ground terminal of a motor according to claim 1, wherein: the welding gun driving assembly comprises a welding gun support, a lifting driving device arranged on the welding gun support and a protective block device used for covering a non-welding area of the motor during terminal welding, wherein the lifting driving device comprises a sliding table, an upward pulling cylinder, a downward pushing cylinder, a sliding seat and a supporting plate, and the sliding table is vertically arranged on the welding gun support; the sliding seat can be arranged on the sliding table in a vertically sliding manner; the pull-up cylinder is arranged at the upper end of the sliding table and is connected with the sliding seat; the push-down cylinder is arranged at the lower end of the sliding table and is connected with the sliding seat; the supporting plate is fixedly connected to the sliding seat; the block protection device comprises a protection block and a driving cylinder for driving the protection block to ascend and descend, wherein the driving cylinder is vertically arranged on a supporting plate, and the protection block is arranged at the end of a shaft of the driving cylinder.

8. The apparatus for assembling and welding a ground terminal of a motor according to claim 1, wherein: the tin wire feeding assembly comprises a wire feeding support, a wire winding wheel arranged on the wire feeding support, a wire feeding driving device for driving the tin wire to move forwards and a wire leading device for guiding the tin wire to extend to a terminal, and the wire winding wheel is rotatably arranged on the wire feeding support; the wire feeding driving device is positioned on the front side of the wire winding wheel; the wire leading device comprises a wire leading support, a wire leading cylinder arranged on the wire leading support and a wire leading nozzle arranged on the output end of the wire leading cylinder, wherein a tin wire passes through the wire feeding driving device by a wire winding wheel and then penetrates out of the wire leading nozzle; the wire guiding nozzle faces the welding gun.

9. The apparatus for assembling and welding a ground terminal of a motor according to claim 1, wherein: the locating mechanism comprises a rotary driving assembly used for driving the motor to rotate and a locating assembly used for elastically abutting against the outer wall of the motor to locate the motor, the rotary driving assembly is provided with a rotary seat used for placing the motor, the locating assembly is provided with an elastically telescopic abutting head, and the abutting head can be elastically close to or far away from the rotary seat.

10. The apparatus for assembling and welding a ground terminal of a motor according to claim 1, wherein: the detection mechanism comprises a detection support, a first CCD photographing device and a second CCD photographing device, wherein the first CCD photographing device is installed on the detection support and used for detecting whether a terminal is welded or not, and the second CCD photographing device is used for detecting whether a wire drawing phenomenon exists or not when the terminal is welded or not.

11. An operation method of the ground terminal assembly welding apparatus for a motor according to any one of claims 1 to 10, comprising the steps of: