CN114101838B - Motor ground terminal assembly welding equipment and its operation method - Google Patents

Abstract

The invention discloses a motor grounding terminal assembling and welding device and an operation method thereof, wherein the motor grounding terminal assembling and welding device comprises a frame, a conveying mechanism, a locating mechanism, a terminal feeding and assembling mechanism, a welding mechanism, a detecting mechanism and a material moving mechanism, wherein the terminal feeding and assembling mechanism comprises a terminal feeding assembly, a plug-in assembly and a turnover material transferring device, and the turnover material transferring 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 locating mechanism, the inserting assembly, the rotary feeding and discharging assembly, the detecting mechanism and the material moving mechanism are sequentially arranged beside the conveying mechanism along the conveying direction of the motor. Therefore, the assembly welding equipment for the motor terminal is formed by combining the mechanisms on the frame, so that automatic feeding, inserting and welding operations of the terminal are realized, a great deal of manual labor is saved, and the production efficiency of the motor is improved.

Description

Motor ground terminal assembly welding equipment and its operation method

technical field

The invention relates to the technology in the field of motor assembly, in particular to a motor ground terminal assembly welding equipment and an operation method thereof.

Background technique

In modern life, the demand for motors in all walks of life is increasing, and the output of motors produced by manufacturers is increasing year by year. The motor usually includes an iron shell, a rotor, a stator and an end cover, and terminals for connecting a power supply are installed on the end cover. The existing terminal assembly process is mainly done manually. Manual installation is easy to reverse or miss the terminal. In addition, improper manual assembly of the terminal is easy to damage the interface on the end cover. When assembling the terminal, a large amount of labor is required, and the assembly efficiency is low and the defective rate is high. In order to solve this problem, semi-automatic assembly equipment for terminals has appeared on the market, in which the transfer and insertion of terminals still requires more manual cooperation, and the degree of automation of terminal welding is low, resulting in low overall terminal assembly efficiency. Therefore, fully automated assembly and welding equipment should be designed for electronic terminal assembly to improve assembly efficiency and product qualification rate.

Contents of the invention

In view of this, the present invention addresses the deficiencies in the prior art, and its main purpose is to provide a ground terminal assembly and welding equipment for motors and its operation method, which forms an assembly and welding equipment for motor terminals by combining a terminal loading and assembly mechanism, a welding mechanism, a detection mechanism, a material transfer mechanism and a conveying mechanism on a frame. A lot of manual labor is saved, and the production efficiency of the motor is improved.

To achieve the above object, the present invention adopts the following technical solutions:

A motor ground terminal assembly and welding equipment, which includes a frame, a conveying mechanism installed on the frame for conveying the motor, a positioning mechanism for positioning the motor, a terminal feeding and assembling mechanism for conveying the terminal and inserting the terminal on the motor, a welding mechanism for welding the terminal to the motor, a detection mechanism for detecting whether the terminal welding is qualified, and a material transfer mechanism for transferring the terminal motor after welding. The plug-in component on the motor and the flip feeding device for transferring the upper terminal of the feeding component to the plug-in component and changing the placement state of the terminal, the flip feeding device is connected between the terminal feeding component and the plug-in component; the flip feeding device includes a flip feeding bracket, a first rotary feeding and discharging component installed on the flip feeding bracket, a feeding flip component and a pushing component. A material receiving trough is vertically arranged on the material receiving block; the material delivery turning assembly includes a material delivery seat, a turning drive cylinder installed on the material delivery seat, and a turning block installed on the shaft end of the turning driving cylinder. The accommodating slot of the overturned block; the terminal feeding assembly includes a vibrating basin and a direct vibration feeder connected to the discharge end of the vibrating basin. The above-mentioned overturning block is reversible and located at the discharge end of the direct vibration feeder; the above-mentioned inserting assembly includes an inserting bracket, an inserting driving cylinder installed on the inserting bracket, an inserting needle installed on the shaft end of the inserting driving cylinder, and a support assembly for supporting the motor. The pin is located above the above-mentioned material receiving block; the supporting assembly includes a supporting seat and a supporting seat driving cylinder that drives the supporting seat to move longitudinally under the inserting bracket. The supporting seat driving cylinder is installed under the inserting bracket. , the tin wire assembly is located on the side of the welding torch; the conveying mechanism is arranged laterally on the above-mentioned workbench, and the above-mentioned positioning mechanism, inserting assembly, second rotary feeding and discharging assembly, detection mechanism and material shifting mechanism are arranged on the side of the conveying mechanism in sequence along the motor conveying direction.

As a preferred solution: the turning block has an arc part rotatably matched with the discharge end of the direct vibration feeder and a plane part flush with the plane of the receiving tank of the material receiving block, and the above-mentioned accommodating tank is vertically arranged on the plane part.

As a preferred solution: the second rotary feeding and discharging assembly includes a base, a rotating cylinder installed on the base, a rotating seat installed on the shaft end of the rotating cylinder, a placing seat installed at both ends of the rotating seat for placing the motor, and a belt transmission compensating assembly for keeping the angle of the placing seat unchanged after the rotating seat rotates 180 degrees. The belt transmission compensating assembly includes two intermediate pulleys, two transmission belts and at least two rotating pulleys. , the above-mentioned placement seat is fixedly connected with the rotating pulley; one of the transmission belts is sleeved on one of the intermediate pulleys and the rotating pulley, and the other transmission belt is sleeved on the other intermediate pulley and the other rotating pulley.

As a preferred solution: two placement seats are respectively arranged at intervals at the two ends of the rotating seat, and one of the above-mentioned rotating pulleys is fixedly connected under each placing seat, and one of the transmission belts is sleeved on one of the middle pulleys and the two rotation pulleys on the same side; the other transmission belt is sleeved on the other middle pulley and the two rotation pulleys on the other side.

As a preferred solution: the welding gun drive assembly includes a welding gun bracket, a lifting drive device installed on the welding gun bracket and a protective block device for covering the non-welding area of the motor during terminal welding. The lifting driving device includes a sliding table, a pull-up cylinder, a push-down cylinder, a sliding seat and a support plate. The sliding table is vertically installed on the above-mentioned welding torch bracket; end, and connected with the sliding seat; the supporting plate is fixedly connected to the sliding seat; the protective block device includes a protective block and a protective block driving cylinder that drives the protective block up and down, the protective block driving cylinder is vertically installed on the support plate, and the protective block is installed on the shaft end of the protective block driving cylinder.

As a preferred solution: the wire feeding assembly includes a wire feeding bracket, a wire winding wheel installed on the wire feeding bracket, a wire feeding driving device for driving the tin wire to move forward, and a wire drawing device for guiding the tin wire to the terminal. The wire winding wheel is rotatably mounted on the wire feeding bracket; the wire feeding driving device is located on the front side of the wire winding wheel; After the device is installed, it is passed through the wire drawing nozzle; the wire drawing nozzle faces the above-mentioned welding torch.

As a preferred solution: the positioning mechanism includes a rotary drive assembly for driving the motor to rotate and a positioning assembly for elastically abutting against the outer wall of the motor to position the motor. The rotary drive assembly has a rotating base for placing the motor. The positioning assembly has an elastically expandable abutment head that can be elastically moved closer or farther away from the rotation seat.

As a preferred solution: the detection mechanism includes a detection bracket, a first CCD camera device installed on the detection bracket for detecting whether the terminal is welded, and a second CCD camera device for detecting whether there is wire drawing in the terminal welding.

An operation method for assembling and welding equipment for the ground terminal of a motor as described above, comprising the following steps:

S1. The motor on the conveying mechanism is transferred to the positioning mechanism, and the positioning mechanism positions the motor in the circumferential direction to prepare for the subsequent terminal insertion;

S2. The terminal feeding component sends the terminal to the flip feeding device, and the flip feeding device adjusts the terminal from a horizontal state to a vertical state, and transfers it to the insertion component;

S3. The plug-in component inserts the terminal on the motor that has been located, and the motor with the terminal is moved to the welding mechanism;

S4. The second rotary feeding and discharging component of the welding mechanism rotates the motor to the welding position, and the welding torch approaches the terminal under the action of the welding torch driving component, and the tin wire feeding component synchronously guides the tin wire to the terminal, and the welding torch welds and fixes the terminal on the motor;

S5. The welded motor is transferred to the testing mechanism, and the testing mechanism detects whether the terminal welding is welded and whether there is wire drawing;

S6. The material transfer mechanism will discharge the qualified motors, and collect and transfer the unqualified ones.

Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be known from the above-mentioned technical scheme that an assembly and welding equipment for motor terminals is formed by combining a terminal feeding and assembling mechanism, a welding mechanism, a detection mechanism, a material moving mechanism and a conveying mechanism on a frame. Therefore, a lot of manual labor is saved, and the production efficiency of the motor is improved. At the same time, an automatic detection mechanism is provided to detect the motor with soldered terminals, which improves the qualified rate of the product.

In order to more clearly illustrate the structural features and functions of the present invention, it will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the whole machine of the present invention;

Fig. 2 is another perspective schematic diagram of the complete machine of the present invention;

Fig. 3 is the top view diagram of the whole machine of the present invention;

Fig. 4 is a three-dimensional schematic diagram of the terminal feeding and assembling mechanism of the present invention;

Fig. 5 is a three-dimensional schematic view from another perspective of the terminal feeding and assembling mechanism of the present invention;

Fig. 6 is a three-dimensional schematic view of the flip feeding device of the present invention;

Fig. 7 is a three-dimensional schematic diagram of the main structure of the plug-in component of the present invention;

Figure 8 is a three-dimensional schematic view of the welding mechanism of the present invention;

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

Fig. 10 is a three-dimensional schematic diagram of the main structure of the welding mechanism of the present invention;

Fig. 11 is another perspective schematic diagram of the main structure of the welding mechanism of the present invention;

Fig. 12 is a schematic perspective view of the second rotary feeding and discharging assembly in the welding mechanism of the present invention.

Explanation of the accompanying drawings:

10. Frame; 11. Workbench; 20. Conveyor mechanism; 21. Feeding line; 22. Discharging line; 30. Positioning mechanism; 31. Rotary drive assembly; 311. Rotary seat; 312. Motor; 32. Positioning assembly; ;411, vibration basin; 412, direct vibration feeder; 42, plug-in assembly; 421, plug-in bracket; 422, plug-in drive cylinder; 423, plug-in needle; 424, support assembly; 4241, support seat; 31. Flip delivery bracket; 432. First rotary input and output assembly; 4321. Rotary drive cylinder; 4322. Rotary seat; 4323. Material receiving block; 4324. Material receiving tank; 4325. Support block; ;4334, accommodating tank; 4335, sensor; 4336, arc portion; 4337, plane portion; 434, pushing component, 4341, pushing cylinder; 4342, pushing needle; 50, welding mechanism; 5152, transmission belt; 5153, rotating pulley; 5154, tensioning wheel; 52, welding gun; 53, welding gun drive assembly; 531, welding gun bracket; 532, lifting drive device; 5321, slide table; Drive cylinder; 54, tin wire assembly; 541, wire feed bracket; 542, wire winding wheel; 543, wire feed driving device; 544, wire guide device; 5441, wire guide bracket; 5442, wire guide cylinder; 5443, wire guide mouth; Device; 63. Second CCD camera device; 64. Lift cylinder; 70. Material transfer mechanism; 80. Synchronous material transfer device; 81. Material transfer bracket; 82. Horizontal slide plate; 83. Horizontal drive cylinder; 84. Vertical slide plate; 85. Vertical drive cylinder; area.

Detailed ways

As shown in Figures 1 to 12, the present invention is a motor ground terminal assembly welding equipment and its operation method, including a frame 10, a conveying mechanism 20 installed on the frame 10 for conveying the motor, a positioning mechanism 30 for positioning the motor, a terminal feeding and assembling mechanism 40 for conveying the terminal and inserting the terminal on the motor, a welding mechanism 50 for welding the terminal on the motor, a detection mechanism 60 for detecting whether the terminal welding is qualified, a material shifting mechanism 70 for transferring the terminal motor after welding, and a collection area 1 for unqualified products. 00, where:

The frame 10 is provided with a workbench 11 for installing the above-mentioned mechanisms, and the above-mentioned mechanisms are all installed on the workbench 11 .

The conveying mechanism 20 is horizontally arranged on the above-mentioned workbench 11, and the conveying mechanism 20 adopts a belt transmission form, and other methods can also be adopted as required; in the present embodiment, the conveying mechanism 20 has a feed line 21 and a discharge line 22, and the feed line 21 and the discharge line 22 are arranged on the workbench 11 in parallel.

The position finding mechanism 30 is located on the side of the conveying mechanism 20, and it includes a rotary drive assembly 31 for driving the motor to rotate, a positioning assembly 32 for elastically pressing against the outer wall of the motor to position the motor, and a pressing assembly 33 downward against the motor. Cylinder 322, the abutting head 321 can be elastically approached or moved away from the rotating seat 311 under the drive of the abutting drive cylinder 322;

After the motor reaches the rotating seat 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 downward. Since the pressing head 331 is rotatable, when the motor 312 drives the rotating seat 311 to rotate, the pressing head 331 rotates accordingly. , the contact head 321 is reset, and the motor is positioned.

The terminal feeding assembly mechanism 40 includes a terminal feeding assembly 41, an inserting assembly 42 for inserting the terminal on the motor, and an overturning delivery device 43 for transferring the terminal on the loading assembly to the insertion assembly 42 and changing the placement state of the terminal. The overturning delivery device 43 is connected between the terminal feeding assembly 41 and the insertion assembly 42.

The overturning material delivery device 43 includes an overturning material delivery bracket 431, a first rotary feed-in and output assembly 432 installed on the overturn material delivery bracket 431, a material transfer overturn assembly 433, and a pusher assembly 434. The first rotary feed-in and output assembly 432 includes a rotary drive cylinder 4321, a rotary seat 4322 mounted on the shaft end of the rotary drive cylinder 4321, and a material receiving block 4323 installed at both ends of the rotary seat 4322. On the material receiving block 4323 A material receiving trough 4324 is vertically arranged, and the rotating drive cylinder 4321 drives the rotating seat 4322 to rotate to realize the synchronous feeding (motor with terminals to be installed) and material discharging (motor with terminals installed) of the receiving block 4323; 31 is installed on the above-mentioned overturning delivery bracket 431, and the overturning block 4333 is provided with an accommodating groove 4334 for accommodating the grounding terminal, and the accommodating groove 4334 corresponds to the above-mentioned receiving trough 4324; The accommodation tank 4334. A supporting block 4325 is respectively arranged at both ends of the rotating base 4322, and the above-mentioned material receiving block 4323 is vertically elastically floating on the supporting block 4325 (a spring 4326 is arranged between the supporting block 4325 and the material receiving block 4323, and the spring 4326 is used to drive the material receiving block 4323 to elastically reset upward); 7 is provided with a limit bolt 4328, which can be adjusted up and down relative to the limit block 4327, and the limit bolt 4328 is correspondingly located below the material receiving block 4323, which can prevent the material receiving block 4323 from falling too much and exceeding the predetermined distance. A sensor 4335 for detecting whether a ground terminal arrives in the accommodating groove 4334 is disposed on the feeding seat 4331 . In this embodiment, there are two groups of terminal feeding components 41 and insertion components 42 , and the two groups of feeding components and insertion components 42 correspond one-to-one.

The terminal feeding assembly 41 includes a vibration cone 411 and a direct vibration feeder 412 connected to the discharge end of the vibration cone 411. The above-mentioned overturning block 4333 is reversibly located at the discharge end of the direct vibration feeder; the above-mentioned insertion assembly 42 includes an insertion bracket 421, an insertion drive cylinder 422 installed on the insertion bracket 421, an insertion pin 423 installed on the shaft end of the insertion drive cylinder 422, and a support assembly 424 for supporting the motor. The mounting bracket 421 is located next to the above-mentioned rotary driving cylinder 4321, the plug-in driving cylinder 422 is vertically installed on the plug-in bracket 421, and the insertion needle 423 is located above the above-mentioned material receiving block 4323; 4241 is installed on the output end of the support seat driving cylinder 4242, and is located below the above-mentioned receiving block 4323. A needle guard block 425 is provided on the inserting bracket 421 for preventing the inserting needle 423 from being bent when pressed down. A needle guard 4251 is vertically provided on the needle guard 425. The inserting needle 423 can move up and down to slide in contact with the needle guard 4251. The needle guard 4251 is mainly used for the inserting needle 423 to abut against, so as to prevent the inserting needle 423 from being bent and damaged when it is pressed down to the terminal. The overturning block 4333 has an arc portion 4336 rotatably matched with the discharge end of the direct vibration feeder 412 and a plane portion 4337 that is flush with the plane of the material receiving trough 4324 of the material receiving block 4323. The above-mentioned accommodating groove 4334 is vertically arranged on the plane portion 4337. The design of the arc portion 4336 can prevent the overturning block 4333 from interfering with the discharge end of the direct vibration feeder 412 during the overturning process to ensure The normal flip of the overturning block 4333; a sensor 426 for detecting whether there is a motor under the inserting needle 423 is arranged under the inserting bracket 421; in addition, a connecting block 427 is arranged at the axial end of the inserting drive cylinder 422, and a guide rod 428 for guiding the connecting block 427 to move up and down is provided on the above-mentioned inserting bracket 421. The insertion pin 423 is vertically disposed on the connection block 427 .

The working principle of the terminal feeding assembly mechanism is as follows: the overturning block 4333 is horizontally connected to the direct vibration feeder 412; the terminal is installed in the vibrating basin 411, and enters the accommodating groove 4334 of the overturning block 4333 through the direct vibration feeder 412, and the overturning drive cylinder 4332 drives the overturning block 4333 to turn from a horizontal state to a vertical state (changing the placement state of the terminal); the pushing cylinder 4341 drives the pushing needle 4342 to extend downward into the accommodating groove 433 4, push the terminal in the accommodating groove 4334 down to the material receiving groove 4324 of the material receiving block 4323. The rotary driving cylinder 4321 drives the rotary seat 4322 to rotate to rotate the material receiving block 4323 equipped with the terminal to the bottom of the insertion needle 423; at this time, the support seat drive cylinder 4242 has driven the support seat 4241 with the motor (positioned) to move longitudinally to the bottom of the material receiving groove 4324, and the insertion driving cylinder 422 drives the insertion needle 423 to extend downward into the material receiving groove 4324 and push the terminal vertically into the material receiving groove 4324. The upper end of the motor on the support base 4241 is to complete the feeding and assembly of the terminals.

The above-mentioned terminal feeding assembly 41, inserting assembly 42, and flip feeding device 43 are divided into two groups, as shown in Fig. 4 to Fig. 7, and the arrangement of the two groups side by side can realize fast feeding and assembling of the two groups of mechanisms and improve production efficiency.

The welding mechanism 50 includes a second rotating material feeding and discharging assembly 51, a welding torch 52, a welding torch driving assembly 53 that drives the welding torch 52 to move, and a tin wire assembly 54.

The second rotary feeding and discharging assembly 51 includes a base 511, a rotating cylinder 512 installed on the base 511, a rotating base 513 installed on the shaft end of the rotating cylinder 512, a placing base 514 installed on both ends of the rotating base 513 for placing the motor, and a belt transmission compensating assembly 515 for keeping the angle constant after the placing base 514 rotates with the rotating base 513 by 180 degrees. The belt transmission compensating assembly 515 includes two intermediate pulleys 5151 and two transmission belts 51 52 and at least two rotating pulleys 5153; the two intermediate pulleys 5151 are fixed and vertically mounted on the shaft ends of the rotary cylinder 512, and the rotating pulleys 5153 are rotatably mounted on both ends of the rotating seat 513, and the above-mentioned placement seat 514 is fixedly connected with the rotating pulleys 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 51 51 and the rotating pulley 5153 at the other end. In this embodiment, two placement seats 514 are arranged at intervals at both ends of the rotating seat 513, and a rotating pulley 5153 is fixedly connected under each placing seat 514. One of the transmission belts 5152 is sleeved on one of the middle pulleys 5151 and the two rotation pulleys 5153 at one end; the other transmission belt 5152 is sleeved on the other middle pulley 5151 and the two rotation pulleys 5153 at the other end. And the tension pulley 5154 that tensions the above-mentioned two transmission belts 5152 is arranged symmetrically on the rotating base 513, and the tension pulley 5154 is closely attached to the transmission belt 5152. The intermediate pulley 5151 and the rotating pulley 5153 preferably select a synchronous pulley, and the transmission belt 5152 preferably selects a synchronous belt.

When the rotary cylinder 512 drives the rotary seat 513 to rotate 180°, the two intermediate pulleys 5151 are fixed, and the transmission belt 5152 will drive the rotary pulley 5153 to rotate with the rotation of the rotary seat 513, and the rotary pulley 5153 will drive the corresponding placement seat 514 to rotate, so as to ensure that after the spatial position of the placement seat 514 rotates by 180°, its own circumferential angle remains consistent with that before the rotation (the angle after positioning), thereby successfully completing the terminal welding.

The welding torch driving assembly 53 includes a welding torch bracket 531, a lifting drive device 532 installed on the welding torch bracket 531, and a protective block device 533 for covering the non-welding area of the motor during terminal welding to prevent damage to the non-welding area. 31; the sliding seat 5324 can be slid up and down and installed on the sliding table 5321; the pull-up cylinder 5322 is installed on the upper end of the sliding table 5321, and is connected with the sliding seat 5324; the push-down cylinder 5323 is installed at the lower end of the sliding table 5321, and is connected with the sliding seat 5324; In order to make the lifting distance of the welding torch 52 more precise, the problem of low movement accuracy of the welding torch 52 is solved when traditional welding is driven by one cylinder. The support plate 5325 is fixedly connected on the sliding seat 5324; the protection block device 533 includes a protection block 5331 and a protection block driving cylinder 5332 for driving the protection block 5331 to lift, the protection block driving cylinder 5332 is vertically installed on the support plate 5325, and the protection block 5331 is installed on the shaft end of the protection block driving cylinder 5332. And above-mentioned welding torch 52 has two, and these two welding torches 52 are arranged on support plate 5325 in an inverted figure-of-eight shape, and are positioned at above-mentioned protective block 5331 both sides;

This tin wire component 54 includes the inlet bracket 541, the wound wheel 542 installed on the wire bracket 541, the inlet driver 543 driving the tin wire move forward, and the radio wire 544 used to guide the tin wire extension terminal. The front side of the wheel 542; the radical device 544 includes the radio radio 5441, the radio cylinder 5442 installed on the wire 5441 and the output of the output end of the legged cylinder 5442, the tin wire from the wire 542 passing wire drive 543 (the inlet driver 543 uses the motor to drive the gear rotation driver. Methods, tin silk and gears fit, as the gear rotates, the tin silk moves forward, realizes the wire), then penetrates from the quotes 5443;

This welding mechanism 50 has two groups of welding torches 52, each group of welding torches 52 all has two welding torches 52 that are inverted splayed; two groups of welding torches 52 are provided with two groups of above-mentioned tin wire assemblies 54, and each group of tin wire assembly 54 corresponds to one group of welding torches 52; and the welding mechanism 50 also includes a smoking device 55 that is used to discharge toxic gases during welding. The upper end of the pipe 551 is connected with the blower fan 553 (not shown in the figure), and the lower end is connected with the upper ends of the two pairs of smoke pipes 552, and the lower ends of the two pairs of smoke pipes 552 are correspondingly facing the two welding torches.

The working principle of the welding mechanism is as follows: the second rotary feeding and discharging assembly 51 rotates and feeds the motor with the terminal installed under the welding torch 52, and the welding torch driving assembly 53 drives the welding torch 52 close to the terminal; at the same time, the tin wire feeding assembly 54 automatically feeds the material, and the protective block device 533 covers the non-welding area of the motor to prevent high temperature damage during terminal welding. The welded motor terminals are rotated and discharged by the second rotary feeding and discharging assembly 51, and at the same time, the motor terminals to be welded are fed again; the smoke extraction device 55 draws out the toxic gas generated by welding.

The detection mechanism 60 includes a detection bracket 61 , a first CCD camera device 62 installed on the detection bracket 61 for detecting whether the terminals are welded, and a second CCD camera device 63 for detecting whether there is wire drawing in the terminal welding. Corresponding to the first CCD photographing device 62 and the second CCD photographing device 63 are provided with a lifting cylinder 64 for lifting the motor of the welded terminal (the output end of the lifting cylinder 64 has a placement seat for placing the motor, and the motor is placed on the placement seat).

The positioning mechanism 30 , the inserting assembly 42 , the second rotary feeding and discharging assembly 51 , the detection mechanism 60 and the material shifting mechanism 70 are sequentially arranged beside the conveying mechanism 20 along the motor conveying direction.

Moreover, a synchronous material-moving device 80 is also provided between the conveying mechanism 20, the positioning mechanism 30, the inserting assembly 42, the second rotary feeding and discharging assembly 51, the detection mechanism 60, and the material-moving mechanism 70. Plate 82 can be horizontally slidably installed on the material-moving support 81, and the horizontal drive cylinder 83 (not shown) is installed on the material-moving support 81, and its shaft end is connected with the horizontal slide plate 82; Under the action of the horizontal driving cylinder 83 and the vertical driving cylinder 85, a plurality of material clamping cylinders 86 go back and forth between the rotating seat 311 of the positioning mechanism 30, the supporting seat 4241 of the inserting assembly 42, the placement seat 514 of the second rotary feeding and discharging assembly 51, the detection mechanism 60 and the material transfer mechanism 70 to transfer the motor. When this synchronous material shifting device 80 is in operation, the material clamping cylinder 86 first clamps the motor at the corresponding position, and then, when the vertical drive cylinder 85 shaft end stretches out, its cylinder body will drive the vertical slide plate 84 to lift, and the plurality of material clamping cylinders 86 will be lifted synchronously; Corresponding positions (such as rotating seat, support seat and placement seat, etc.); the vertical driving cylinder 85 drives a plurality of material clamping cylinders 86 to lift again, and the horizontal driving cylinder 83 drives a plurality of material clamping cylinders 86 to move laterally to the original position again, and circulates successively to realize the sequential transfer of multiple motors on each station.

In addition, a transfer mechanism 90 is provided between the synchronous material transfer device 80 and the conveying mechanism 20 for transferring the motor of the terminal to be installed on the feeding line 21 of the conveying mechanism 20 to the synchronous material moving device 80. The transfer mechanism 90 includes a transfer bracket 91, a transfer gripper 92, a vertical drive assembly 93 that drives the transfer gripper 92 to move vertically, and a horizontal drive assembly 94 that drives the transfer gripper 92 to move laterally. The lateral drive assembly 94 is installed on the transfer bracket 91. On the output end of the horizontal drive assembly 94, the transfer jaw 92 is installed on the output end of the vertical drive assembly 93. The horizontal drive assembly 94 and the vertical drive assembly 93 respectively include a cylinder and a slide block. The slide block is installed on the shaft end of the cylinder, and the slide block is the output end. The transfer gripper 92 first grips and transfers the motor on the conveying mechanism 20 to the rotary seat 311 of the positioning mechanism 30. After the positioning of the motor is completed, the clamping cylinder 86 of the synchronous material shifting device 80 transfers the motor to the support seat 4241 of the inserting component 42, the placement seat 514 of the second rotary feeding and discharging component 51, the lifting cylinder 64 of the detection mechanism 60, and the material shifting mechanism 70.

The material transfer mechanism 70 is used to transfer the qualified motors to the discharge line 22 of the conveying mechanism 20; the unqualified motors are transferred to the unqualified product collection area 100 (the unqualified product collection area is located at the side of the material transfer mechanism 70); The material transfer mechanism 70 has the same structure and principle as the above-mentioned transfer mechanism 90 , which will not be repeated here.

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

S1. The motor on the conveying mechanism is transferred to the positioning mechanism, and the positioning mechanism positions the motor in the circumferential direction to prepare for the subsequent terminal insertion;

S2. The terminal feeding component sends the terminal to the flip feeding device, and the flip feeding device adjusts the terminal from a horizontal state to a vertical state, and transfers it to the insertion component;

S3. The plug-in component inserts the terminal on the motor that has been located, and the motor with the terminal is moved to the welding mechanism;

S4. The second rotary feeding and discharging component of the welding mechanism rotates the motor to the welding position, and the welding torch approaches the terminal under the action of the welding torch driving component, and the tin wire feeding component synchronously guides the tin wire to the terminal, and the welding torch welds and fixes the terminal on the motor;

S5. The welded motor is transferred to the testing mechanism, and the testing mechanism detects whether the terminal welding is welded and whether there is wire drawing;

S6. The material transfer mechanism will discharge the qualified motors, and collect and transfer the unqualified ones.

The key point of the design of the present invention is that by combining the terminal feeding assembly mechanism, welding mechanism, detection mechanism, material transfer mechanism and conveying mechanism on the frame to form an assembly and welding equipment for motor terminals, the equipment realizes automatic loading, flipping, feeding, inserting and welding operations of the terminals, so that the assembly and welding operations of the terminals are completely automated. Therefore, a lot of manual labor is saved, and the production efficiency of the motor is improved. At the same time, an automatic detection mechanism is provided to detect the motor with soldered terminals, which improves the qualified rate of the product.

The above is only a preferred embodiment of the present invention, and does not limit the technical scope of the present invention in any way, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to the scope of the technical solution of the present invention.

Claims (9)

1. A motor ground terminal assembly and welding equipment, characterized in that it includes a frame, a conveying mechanism installed on the frame for conveying the motor, a positioning mechanism for positioning the motor, a terminal feeding and assembling mechanism for conveying the terminal and inserting the terminal on the motor, a welding mechanism for welding the terminal to the motor, a detection mechanism for detecting whether the terminal welding is qualified, and a material transfer mechanism for the terminal motor after transfer welding. The frame is provided with a workbench for installing the above mechanisms; The plug-in component for inserting the terminal on the motor and the flip feeding device for transferring the terminal on the feeding component to the plug-in component and changing the placement state of the terminal. The flip feeding device is connected between the terminal feeding component and the plug-in component. Material block, a material receiving trough is vertically arranged on the material receiving block; the material feeding and turning assembly includes a material feeding seat, a turning drive cylinder installed on the material feeding seat, and a turning block installed on the shaft end of the turning driving cylinder, the material passing seat is installed on the above-mentioned turning material feeding support, and the turning block is provided with a storage tank for accommodating the ground terminal, which corresponds to the above-mentioned receiving tank; , the pusher pin corresponds to the accommodating groove of the turning block; the terminal feeding assembly includes a vibration cone and a direct vibration feeder connected to the discharge end of the vibration cone. On the bracket, the insertion needle is located above the above-mentioned material receiving block; the support assembly includes a support base and a support base driving cylinder that drives the support base to move longitudinally under the insertion bracket. The assembly is located under the welding torch, and the tin wire assembly is located beside the welding torch; the conveying mechanism is arranged horizontally on the above-mentioned workbench, and the above-mentioned positioning mechanism, inserting assembly, second rotary feeding and discharging assembly, detection mechanism and material shifting mechanism are sequentially arranged on the side of the conveying mechanism along the motor conveying direction. 2. The assembly and welding equipment for the ground terminal of the motor according to claim 1, characterized in that: the turning block has an arc part rotatably matched with the discharge end of the direct vibration feeder and a plane part flush with the plane of the receiving tank of the receiving block, and the above-mentioned accommodating tank is vertically arranged on the plane part. 3. The assembly and welding equipment for the ground terminal of the motor according to claim 1, wherein the second rotary feeding and discharging assembly includes a base, a rotating cylinder installed on the base, a rotating seat installed on the shaft end of the rotating cylinder, a placing seat installed at both ends of the rotating seat for placing the motor, and a belt transmission compensating assembly for keeping the angle of the placing seat unchanged after the rotating seat rotates 180 degrees. The belt transmission compensating assembly includes two intermediate pulleys, two transmission belts and at least two rotating pulleys. The cylinder shaft end, the rotating pulley is rotatably installed at both ends of the rotating seat, and the above-mentioned placement seat is fixedly connected with the rotating pulley; one of the transmission belts is sleeved on one of the intermediate pulleys and the rotating pulley, and the other transmission belt is sleeved on the other intermediate pulley and the other rotating pulley. 4. The assembly and welding equipment for the ground terminal of the motor according to claim 3, characterized in that: the two ends of the rotating base are respectively provided with two placing seats at intervals, and one of the above-mentioned rotating pulleys is fixedly connected under each placing seat, and one of the transmission belts is sleeved on one of the middle pulleys and the two rotating pulleys on the same side; the other transmission belt is sleeved on the other middle pulley and the two rotating pulleys on the other side. 5. The assembly and welding equipment for the ground terminal of the motor according to claim 1, characterized in that: the welding torch driving assembly includes a welding torch bracket, a lifting drive device installed on the welding torch bracket, and a protective block device for covering the non-welding area of the motor when the terminal is welded. and connected with the sliding seat; the push-down cylinder is installed on the lower end of the sliding table, and is connected with the sliding seat; the support plate is fixedly connected to the sliding seat; the protective block device includes a protective block and a protective block driving cylinder for driving the protective block up and down, the protective block driving cylinder is vertically installed on the support plate, and the protective block is installed on the shaft end of the protective block driving cylinder. 6. The assembly and welding equipment for the ground terminal of the motor according to claim 1, wherein the tin wire assembly includes a wire feed bracket, a wire winding wheel mounted on the wire feed bracket, a wire feed drive device for driving the tin wire to move forward, and a wire guide device for guiding the tin wire to extend to the terminal, the wire feed wheel is rotatably mounted on the wire feed bracket; the wire feed drive device is located at the front side of the wire wind wheel; The wire drawing nozzle on the top, the tin wire passes through the wire feeding drive device from the wire winding wheel, and then passes through the wire drawing nozzle; the wire drawing nozzle faces the above-mentioned welding torch. 7. The assembly and welding equipment for the ground terminal of the motor according to claim 1, wherein the positioning mechanism includes a rotary drive assembly for driving the motor to rotate and a positioning assembly for elastically pressing against the outer wall of the motor to position the motor, the rotary drive assembly has a rotating seat for placing the motor, and the positioning assembly has an elastically expandable abutting head, which can be elastically moved closer to or farther away from the rotating seat. 8. The ground terminal assembly and welding equipment of the motor according to claim 1, characterized in that: the detection mechanism includes a detection bracket, a first CCD camera device installed on the detection bracket for detecting whether the terminal is welded, and a second CCD camera device for detecting whether there is wire drawing in the terminal welding. 9. An operation method for assembling and welding equipment for the ground terminal of a motor according to any one of claims 1-8, characterized in that it comprises the following steps: S1. The motor on the conveying mechanism is transferred to the positioning mechanism, and the positioning mechanism positions the motor in the circumferential direction to prepare for the subsequent terminal insertion; S2. The terminal feeding component sends the terminal to the flip feeding device, and the flip feeding device adjusts the terminal from a horizontal state to a vertical state, and transfers it to the insertion component; S3. The plug-in component inserts the terminal on the motor that has been located, and the motor with the terminal is moved to the welding mechanism; S4. The second rotary feeding and discharging component of the welding mechanism rotates the motor to the welding position, and the welding torch approaches the terminal under the action of the welding torch driving component, and the tin wire feeding component synchronously guides the tin wire to the terminal, and the welding torch welds and fixes the terminal on the motor; S5. The welded motor is transferred to the testing mechanism, and the testing mechanism detects whether the terminal welding is welded and whether there is wire drawing; S6. The material transfer mechanism will discharge the qualified motors, and collect and transfer the unqualified ones.