Inverter automatic soldering handling station, soldering and face cap locking process method

By designing an automated inverter welding and handling workstation, and utilizing a high-speed conveyor chain, positioning fixtures, and a gantry-turning robot, the automated soldering and cover locking processes of inverters are achieved. This solves the problems of high labor intensity and safety hazards caused by manual handling, improves production efficiency, and reduces the risk of workplace injuries.

CN116786935BActive Publication Date: 2025-12-19GUANGDONG SHUNDE MAYUAN ROBOT TECH CO LTD
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Patent Information

Application Number
CN202310868991.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-14
Publication Date
2025-12-19
Estimated Expiration
2043-07-14

AI Technical Summary

Technical Problem

In the inverter manufacturing industry, the soldering and cover locking processes require manual handling and flipping, which leads to high labor intensity, easily causes workplace accidents, and is harmful to the health of employees.

Method used

Design an automatic inverter welding and handling workstation, including a high-speed conveyor chain, positioning fixtures, a gantry-type flipping manipulator, and a handling robot, to realize automatic positioning, flipping, and solder delivery of inverters. Combined with soldering and cover locking processes, it improves processing efficiency and reduces labor intensity.

Benefits of technology

The automation of inverter soldering and cover locking processes has improved production efficiency, reduced the labor intensity of workers, and decreased the occurrence of workplace accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses an automatic welding and carrying work station of an inverter, a soldering and surface locking cover process method, and belongs to the technical field of inverter manufacturing. The automatic welding and carrying work station of the inverter comprises a conveying speed chain, a welding circulating conveying line and a carrying robot, and the conveying speed chain is sequentially provided with a positioning tool and a gantry overturning mechanical hand. The welding circulating conveying line comprises a wave-soldering line, a conveying speed chain, two lifting speed chains and a discharging speed chain. The lower ends of the two lifting speed chains are respectively connected with the two ends of the conveying speed chain. The two ends of the wave-soldering line are respectively connected with the upper ends of the two lifting speed chains. The end of the discharging speed chain, which is away from the wave-soldering line, is connected with the upper end of one of the two lifting speed chains. The carrying robot is used for carrying the inverter to be soldered on the positioning tool to the discharging speed chain and carrying the inverter, which has been soldered, on the discharging speed chain to the conveying speed chain. The soldering process and the surface locking cover process of the inverter are combined together, the safety accidents are reduced, the labor intensity of workers is reduced, the occurrence of occupational diseases is prevented, and the processing efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of robot automation production, in particular to an inverter automatic welding and carrying work station, a soldering and surface locking cover process method. BACKGROUND

[0002] In the soldering and surface locking cover process in the inverter manufacturing industry, the staff needs to carry and turn over the inverter, the inverter is as heavy as 70KG, the labor intensity is great, and the work injury accident is easy to occur, which is harmful to the spine health of the staff, not only more cost needs to be paid, but also the laborers are harmed. The present application is to carry out robot automation transformation for this process, reduce the labor intensity of the staff, and achieve the win-win of the production enterprises and the laborers. SUMMARY

[0003] The present application aims to provide an inverter automatic welding and carrying work station and a use method, to solve one or more technical problems existing in the prior art, and at least provide a beneficial choice or create conditions.

[0004] The technical scheme adopted to solve the above technical problems is:

[0005] Firstly, the present application provides an inverter automatic welding and carrying work station, which comprises: a conveying speed chain, a positioning tool for positioning the inverter and a gantry turning mechanical hand for turning over the inverter are arranged in sequence along the conveying direction; a soldering circulating conveying line, comprising a wave soldering line with a soldering conveying channel, a conveying speed chain, two lifting speed chains, and a feeding speed chain, the lower ends of the two lifting speed chains are respectively connected with the two ends of the conveying speed chain, and the upper ends of the two lifting speed chains are respectively connected with the two ends of the wave soldering line, wherein the two lifting speed chains are divided into an in-out lifting speed chain and a detour lifting speed chain, and the feeding speed chain is connected with the upper end of the in-out lifting speed chain away from the wave soldering line; a carrying robot, used for carrying the inverter to be soldered on the positioning tool to the feeding speed chain, and carrying the inverter soldered on the feeding speed chain to the conveying speed chain.

[0006] The beneficial effects of the present application are: when in use, the to-be-soldered tin inverter is conveyed along the conveying speed chain, when the to-be-soldered tin inverter is conveyed to the positioning tool, the to-be-soldered tin inverter is positioned, and then the handling robot can accurately clamp the to-be-soldered tin inverter on the positioning tool and convey it to the feeding speed chain after turning over, at this time, the feeding speed chain conveys the to-be-soldered tin inverter to the in-out lifting speed chain, and the in-out lifting speed chain conveys the to-be-soldered tin inverter into the wave solder line, the tin in the wave solder line is soldered, the soldered tin inverter is sequentially conveyed back to the feeding speed chain through the detour lifting speed chain, the conveying speed chain, the in-out lifting speed chain, and the feeding speed chain, the handling robot clamps the soldered tin inverter on the feeding speed chain and conveys it back to the conveying speed chain after turning over, thereby realizing automatic conveying of the soldered tin inverter, the feeding speed chain can improve the conveying efficiency, when the tin inverter is conveyed to the feeding speed chain, the handling robot and the in-out lifting speed chain can perform other actions, the handling robot repeats the above-mentioned actions to solder and convey the next to-be-soldered tin inverter; and the soldered tin inverter is conveyed to the gantry turning mechanical hand through the conveying speed chain, the gantry turning mechanical hand clamps the tin inverter and turns it over by 180 degrees and then puts it back to the conveying speed chain, at this time, the surface locking cover process is performed manually, after completion, the gantry turning mechanical hand turns the tin inverter over by 180 degrees and then puts it back to the conveying speed chain, and then conveys the tin inverter to the next process, and then the gantry turning mechanical hand performs the above-mentioned actions again, thereby realizing automatic conveying of the tin inverter surface locking cover, the present application combines the tin soldering process and the surface locking cover process of the tin inverter together to realize automatic conveying, improve the processing efficiency, and reduce the labor intensity of workers.

[0007] As a further improvement of the above technical solution, the lifting speed chain comprises a lifting seat with a speed chain, and a lifting driving component for driving the lifting seat to lift up and down.

[0008] As a further improvement of the above technical solution, the lifting speed chain further comprises a mounting frame provided with a lifting slide rail, the lifting seat is in sliding connection with the lifting slide rail, and the lifting driving component is driven by a ball screw.

[0009] As a further improvement of the above technical solution, the feeding speed chain is provided with a positioning assembly, the positioning assembly comprises a positioning cylinder and a positioning buckle connected to the extension upper end of the positioning cylinder, the welding circulating conveying line comprises a plurality of conveying trays for carrying the tin inverters, the conveying trays are sequentially circulated along the feeding speed chain, the in-out lifting speed chain, the wave solder line, the detour lifting speed chain, the conveying speed chain, the in-out lifting speed chain, and the feeding speed chain, and the conveying tray is provided with a positioning port corresponding to the positioning buckle.

[0010] As a further improvement of the above technical solution, the carrying robot is a multi-axis robot, and a special clamp is connected to the execution end of the multi-axis robot; the gantry overturning manipulator comprises a lifting module, an overturning module and the special clamp; the lifting module is used to drive the special clamp to move up and down above the conveying power and free chain; and the overturning module is used to drive the special clamp to rotate.

[0011] As a further improvement of the above technical solution, the special clamp comprises a clamp seat, two clamp arms and a clamping driving assembly; the two clamp arms are arranged in parallel with each other; the two clamp arms located on the gantry overturning manipulator are arranged in parallel along the conveying direction of the conveying power and free chain; the clamp arms extend transversely; the overturning module drives the special clamp to rotate around the central axis extending transversely between the two clamp arms; one end of each of the clamp arms is slidably connected to the front face of the clamp seat; a positioning block and a soft rubber pad are arranged on the side face of each of the two clamp arms facing each other; and the clamping driving assembly is used to drive the two clamp arms to move closer to or away from each other.

[0012] As a further improvement of the above technical solution, the lifting module comprises a fixing seat, a lifting column and a lifting driving assembly; the fixing seat is arranged above the conveying power and free chain through a gantry; the lifting column is slidably connected to the fixing seat in the up-down direction; the lifting driving assembly drives the lifting column to move up and down; the overturning module comprises an overturning shaft transversely rotatably arranged at the lower end of the lifting column and an overturning driving assembly driving the overturning shaft to rotate; the overturning driving assembly comprises a driven gear sleeved on the outer periphery of one end of the overturning shaft, a driving gear engaged with the driven gear and an overturning servo motor in transmission connection with the driving gear; the driving gear is located below the driven gear; and the clamp seat is connected to one end of the overturning shaft close to the driving gear.

[0013] As a further improvement of the above technical solution, the lower end of the lifting column is provided with a transversely arranged rotating hole; rotating bearings are arranged at both ends of the rotating hole; the overturning shaft is rotatably arranged in the rotating bearings; and the number of the rotating bearings arranged at one end of the rotating hole close to the special clamp is two, while one rotating bearing is arranged at the other end.

[0014] As a further improvement of the above technical solution, the positioning block and the soft rubber pad are detachably arranged on the clamp arm.

[0015] In addition, the application also provides a soldering and surface locking cover process method, which adopts the above-mentioned inverter automatic soldering and carrying work station, and the specific process flow is as follows:

[0016] S1, the inverter to be soldered is conveyed to the positioning tool along the conveying power and free chain, and the inverter to be soldered is positioned;

[0017] S2, the carrying robot overturns the positioned inverter to be soldered by 180 degrees and then carries it to the feeding power and free chain;

[0018] S3, the feeding speed chain transports the to-be-soldered inverter to the in-out lifting speed chain, the in-out lifting speed chain transports the to-be-soldered inverter into the wave-soldering line, the inverter is soldered through the wave-soldering line, and then the soldered inverter sequentially passes through the detour lifting speed chain, the conveying speed chain and the in-out lifting speed chain and is sent back to the feeding speed chain;

[0019] S4, the handling robot overturns the soldered inverter on the feeding speed chain by 180 degrees and carries it back to the conveying speed chain, and then the handling robot repeats the above-mentioned action to solder the next to-be-soldered inverter;

[0020] S5, the soldered inverter is transported to the gantry overturning manipulator, the gantry overturning manipulator overturns the inverter by 180 degrees and places it back to the conveying speed chain, a face locking cover process is performed, after the process is completed, the gantry overturning manipulator overturns the inverter by 180 degrees and places it back to the conveying speed chain;

[0021] S6, then the conveying speed chain transports the inverter to the next process, and the gantry overturning manipulator repeats the above-mentioned action. BRIEF DESCRIPTION OF DRAWINGS

[0022] The application will be further described below in combination with the drawings and embodiments;

[0023] Figure 1 is a structural schematic diagram of an embodiment of the inverter automatic soldering and handling work station provided by the application;

[0024] Figure 2 is a rear side schematic diagram of an embodiment of the inverter automatic soldering and handling work station provided by the application, wherein the dotted arrow represents the conveying line of the to-be-soldered inverter, and the solid arrow represents the conveying line of the soldered inverter;

[0025] Figure 3 is a top view of an embodiment of the inverter automatic soldering and handling work station provided by the application, wherein the dotted arrow represents the conveying line of the to-be-soldered inverter, and the solid arrow represents the conveying line of the soldered inverter;

[0026] Figure 4 is a schematic diagram of the soldering and conveying line when the wave-soldering line is not installed in an embodiment of the inverter automatic soldering and handling work station provided by the application;

[0027] Figure 5 is Figure 4 is a partial enlarged view of part A in FIG. 6;

[0028] Figure 6 is a structural schematic diagram of an embodiment of the special fixture provided by the application;

[0029] Figure 7Fig. 1 is a schematic view of a lifting module and a turnover module of an embodiment of a gantry turnover manipulator provided by the present application. DETAILED DESCRIPTION

[0030] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical solution of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0031] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0032] In the description of the present application, if the word such as "several" is described, its meaning is one or more, the meaning of more than two, greater than, less than, more than, etc. is not included in the number, and the above, below, etc. is understood as including the number.

[0033] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be understood broadly, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0034] Referring to Figures 1-7 , the inverter automatic welding and carrying work station of the present application is embodied as follows:

[0035] Referring to Figures 1-3 , the inverter automatic welding and carrying work station of the present application is embodied as follows:

[0036] The conveying double-speed chain 100 extends transversely along the left-right direction, and the conveying double-speed chain 100 is provided with a positioning tool 200 and a gantry turnover manipulator 300, wherein the positioning tool 200 and the gantry turnover manipulator 300 are sequentially and spacedly arranged along the conveying direction, the positioning tool 200 is used for positioning the inverter on the conveying double-speed chain 100, and the gantry turnover manipulator 300 is used for turning over the inverter on the conveying double-speed chain 100, when the inverter is conveyed to the positioning tool 200 through the conveying double-speed chain 100, the worker positions the inverter on the positioning tool 200, so as to facilitate the accurate clamping of the carrying robot 500.

[0037] Referring to Figures 1-4As shown, the soldering cycle conveying line 400 includes a wave solder line 410, a conveying speed chain 420, two lifting speed chains, and a discharging speed chain 430. The wave solder line 410 is provided with a transversely extending soldering conveying passage, and the inverter is conveyed and soldered in the wave solder line 410 by the soldering conveying passage. The two lifting speed chains are divided into an in-out lifting speed chain 440 and a detour lifting speed chain 450. The lower ends of the in-out lifting speed chain 440 and the detour lifting speed chain 450 are respectively connected to the two ends of the conveying speed chain 420, and the upper ends of the in-out lifting speed chain 440 and the detour lifting speed chain 450 are respectively connected to the two ends of the wave solder line 410. The conveying speed chain 420 is arranged in a direction opposite to the conveying direction of the inverter in the wave solder line 410, and the discharging speed chain 430 is connected to the upper end of the in-out lifting speed chain 440 away from the wave solder line 410.

[0038] The conveying robot 500 is used to convey the inverters to be soldered on the positioning tool 200 to the discharging speed chain 430 and convey the inverters soldered on the discharging speed chain 430 to the conveying speed chain 100.

[0039] In use, the to-be-soldered tin inverter is conveyed along the conveying speed chain 100, when the to-be-soldered tin inverter is conveyed to the positioning tool 200, the to-be-soldered tin inverter is positioned, the handling robot 500 can accurately clamp the to-be-soldered tin inverter on the positioning tool 200, and then convey the to-be-soldered tin inverter to the discharging speed chain 430 after being turned over by 180 degrees, at this time, the discharging speed chain 430 conveys the to-be-soldered tin inverter to the in-out lifting speed chain 440, and the in-out lifting speed chain 440 conveys the to-be-soldered tin inverter into the wave solder line 410, the soldered tin inverter is conveyed through the detour lifting speed chain 450, the conveying speed chain 420, and the in-out lifting speed chain 440 in turn and sent back to the discharging speed chain 430, the handling robot 500 clamps the soldered tin inverter on the discharging speed chain 430, and then sends the soldered tin inverter back to the conveying speed chain 100 after being turned over by 180 degrees, so that the automatic conveying of the soldered tin inverter is realized, the efficiency of conveying can be improved by arranging the discharging speed chain 430, when the inverter is conveyed to the discharging speed chain 430, the handling robot 500 and the in-out lifting speed chain 440 can perform other actions, and the handling robot 500 repeats the above-mentioned actions to solder and convey the next to-be-soldered tin inverter; and the soldered tin inverter is conveyed to the gantry turnover manipulator 300 through the conveying speed chain 100, the gantry turnover manipulator 300 clamps the inverter and then turns over the inverter by 180 degrees and puts the inverter back to the conveying speed chain 100, at this time, the face locking cover process is performed manually, after the process is completed, the gantry turnover manipulator 300 turns over the inverter by 180 degrees and puts the inverter back to the conveying speed chain 100, and then conveys the inverter to the next process, and then the gantry turnover manipulator 300 performs the above-mentioned actions again, so that the automatic conveying of the inverter face locking cover is realized, the soldering process and the face locking cover process of the inverter are combined together in the application, automatic conveying is realized, the processing efficiency is improved, and the labor intensity of workers is reduced.

[0040] Among them, for the lifting speed chain, the lifting speed chain can realize the upward and downward conveying of the inverter, the lifting speed chain comprises a lifting seat 460 provided with a speed chain, a lifting driving part 470 driving the lifting seat 460 to move up and down, and a mounting frame, wherein the mounting frame is provided with a lifting slide rail, and the lifting seat 460 is in sliding connection with the lifting slide rail, and the lifting driving part 470 in the embodiment is a ball screw driving part, and the lifting driving part 470 comprises a lifting motor and a ball screw, and in other embodiments, the lifting driving part 470 can be a cylinder or a chain.

[0041] Referring to Figure 5As shown, in order to improve the accuracy of conveying, the feeding speed-up chain 430 is provided with a positioning assembly 480, which comprises a positioning cylinder 481 and a positioning buckle 482 connected with the extension upper end of the positioning cylinder 481, wherein the number of the positioning assembly 480 is determined according to the actual situation, and the welding cycle conveying line 400 comprises a plurality of conveying trays 490 for carrying inverters, which are sequentially conveyed along the feeding speed-up chain 430, the in-out lifting speed-up chain 440, the wave-soldering line 410, the detour lifting speed-up chain 450, the transportation speed-up chain 420, the in-out lifting speed-up chain 440 and the feeding speed-up chain 430, and the conveying tray 490 is provided with a positioning port 491 corresponding to the positioning buckle 482.

[0042] When the conveying tray 490 is conveyed to the feeding speed-up chain 430, the positioning locking of the conveying tray 490 is realized through the positioning buckle 482 and the positioning port 491, so as to avoid the misalignment and offset during the carrying of the inverter, and to affect the soldering precision.

[0043] The carrying robot 500 of the embodiment adopts a multi-axis robot, the execution end of the multi-axis robot is provided with a special clamp 600, the gantry overturning manipulator 300 comprises a lifting module 310, an overturning module 320 and the special clamp 600, the lifting module 310 is used to drive the special clamp 600 to move up and down above the conveying speed-up chain 100, and the overturning module 320 is used to drive the special clamp 600 to rotate, and the carrying robot 500 and the gantry overturning manipulator 300 of the embodiment both adopt the special clamp 600 with the same structure.

[0044] When the inverter is conveyed below the gantry overturning manipulator 300, the lifting module 310 drives the special clamp 600 to move downward, the inverter is clamped by the special clamp 600, then the lifting module 310 drives the special clamp 600 to move upward, the overturning module 320 drives the special clamp 600 to rotate, so as to complete the overturning of the inverter, and the carrying robot 500 also clamps the inverter by the special clamp 600, and drives the special clamp 600 to overturn and move under the control of the moving program.

[0045] Among them, referring to Figure 6 As shown, the special clamp 600 of the embodiment comprises a clamp seat 610, two clamp arms 620 and a clamping driving assembly 630, the two clamp arms 620 are arranged in parallel with each other, one end of the clamp arm 620 is slidably connected with the front surface of the clamp seat 610, wherein the two clamp arms 620 arranged on the gantry overturning manipulator 300 are arranged in parallel with a spacing along the conveying direction of the conveying speed-up chain 100, the clamp arm 620 extends transversely, the overturning module 320 drives the special clamp 600 to rotate around the central axis extending transversely between the two clamp arms 620, so that the stress is uniform.

[0046] The clamping driving assembly 630 is used for driving the two clamping arms 620 to move close to or away from each other, and the clamping driving assembly 630 comprises a screw rod, two nut seats provided on the screw rod in a threaded mode, and a motor driving part used for driving the screw rod to rotate, the two nut seats are respectively arranged in a mode of being fixed opposite to the clamping arms 620, and the screw rod is provided with two thread sections, the two thread sections are arranged in opposite directions, and each thread section is connected with one nut seat, so that the two nut seats are moved close to or away from each other.

[0047] The two clamping arms 620 are provided with a positioning block 621 and a soft rubber pad 622 on one side of each clamping arm 620, the inverter is arranged between the two clamping arms 620 when the inverter is clamped, the inverter is provided with a positioning gap on each side, the two positioning blocks 621 are opposite to the two positioning gaps respectively, then the clamping driving assembly 630 drives the two clamping arms 620 to move close to each other, the positioning blocks 621 are inserted into the positioning gaps to be clamped, and the clamping arms 620 are pressed against the inverter through the soft rubber pads 622, so that the two clamping arms 620 can press and clamp the inverter, and the inverter is not damaged, the inverter is prevented from falling in the moving and overturning process under the locking and positioning of the positioning blocks 621, the positioning blocks 621 play a bearing role in the carrying process, the clamping arms 620 only play a clamping role, and the stability of the product clamping process is ensured.

[0048] In order to improve the bearing capacity of the clamping arms 620, the clamping arms 620 are connected with a reinforcing support structure, the reinforcing support structure comprises a sliding seat 623 and a plurality of reinforcing ribs 624 arranged in a ring mode on the outer periphery of the clamping arms 620, the plurality of reinforcing ribs 624 are connected with the sliding seat 623, the front surface of the clamping seat 610 is provided with at least two clamping guide rails 625, the sliding seat 623 is connected with the clamping guide rails 625 in a sliding mode, and a first anti-collision rubber block 626 is arranged on one side of the opposite sides of the two sliding seats 623, when the two sliding seats 623 move close to each other, the two first anti-collision rubber blocks 626 also move close to each other, when the distance between the two clamping arms 620 is the smallest, the two first anti-collision rubber blocks 626 are in contact, so that the rigid contact is avoided, and the service life of the equipment is improved.

[0049] The clamping arms 620 are provided with an inductive switch 627 at the front ends, the inductive switch 627 is used for detecting whether the product is in place, the product is arranged between the two clamping arms 620, the two positioning blocks 621 are opposite to the two positioning gaps respectively, and the clamping driving assembly 630 can drive the two clamping arms 620 to move close to each other only when the inductive switch 627 detects that the product is in place.

[0050] And, the positioning block 621 and the soft rubber pad 622 are detachably mounted on the clamping arm 620, the soft rubber pad 622 protects the product surface from being scratched when the clamp clamps the product, and the positioning block 621 shares the weight of the product, so the material of the positioning block 621 is treated by Cr12Mov to HRC55 to ensure the service life, and when different products are produced, only the positioning block 621 needs to be replaced to complete the production change, and the versatility is strong.

[0051] Referring to Figure 7 As shown in the figure, the lifting module 310 includes a fixed seat 311, a lifting column 312, and a lifting drive assembly 313, the fixed seat 311 is erected above the conveying speed chain 100 through the gantry 315, the lifting column 312 is connected with the fixed seat 311 in sliding mode, and the lifting drive assembly 313 drives the lifting column 312 to ascend and descend. The lifting drive assembly 313 includes a helical rack fixed on the lifting column 312, a helical gear meshing with the helical rack, and a lifting servo motor in transmission connection with the helical gear, which can bear large load and ensure the stability of the lifting process.

[0052] Referring to Figure 7 As shown in the figure, the turnover module 320 includes a turnover shaft 321 transversely rotatably mounted on the lower end of the lifting column 312, and a turnover drive assembly driving the turnover shaft 321 to rotate, the turnover drive assembly includes a driven gear 322 sleeved on the outer periphery of one end of the turnover shaft 321, a driving gear 323 meshing with the driven gear 322, and a turnover servo motor 324 in transmission connection with the driving gear 323, the driving gear 323 is located below the driven gear 322, and the clamping seat 610 is connected with the end of the turnover shaft 321 close to the driving gear 323, in use, the driving gear 323 is driven to rotate by the turnover servo motor 324, the turnover shaft 321 is driven to rotate under the meshing action of the driving gear 323 and the driven gear 322, so as to realize the turnover of the special clamp 600 connected with the turnover shaft 321.

[0053] The driving gear 323 is arranged below the driven gear 322, and the driven gear 322 and the special clamp 600 are located at the same end of the turnover shaft 321, the driving gear 323 can provide a support point for the turnover shaft 321 through meshing with the driven gear 322 to improve the carrying capacity of the turnover shaft 321 and avoid tilting, and when the turnover shaft 321 carries the weight of the inverter and the special clamp 600, the driven gear can keep in close meshing state with the driving gear 323 to avoid loosening and improve the stability of transmission, and the meshing transmission of the driven gear 322 and the driving gear 323 can improve the turnover precision of the inverter.

[0054] Further, the lower end of the lifting column 312 is provided with a transversely extending rotating hole, rotating bearings 314 are arranged at both ends of the rotating hole, the turnover shaft 321 is rotatably arranged in the rotating bearings 314, the number of the rotating bearings 314 arranged at the end of the rotating hole close to the special fixture 600 is two, and one rotating bearing 314 is arranged at the other end, according to the principle of lever, the force on the end of the turnover shaft 321 close to the special fixture 600 is the largest, therefore, two rotating bearings 314 are arranged at the end of the rotating hole close to the special fixture 600, so as to ensure the stability of turnover.

[0055] The lower part of the driven gear 322 and the driving gear 323 is provided with a groove shell 340 with an opening upward. The groove shell 340 mainly plays a protective role, and can also play a lubricating oil effect.

[0056] In addition, the embodiment also provides a soldering and surface locking cover process method, and the automatic soldering and conveying work station of the inverter is used, and the specific process flow is as follows:

[0057] S1, the inverter to be soldered is conveyed to the positioning tool 200 along the conveying speed chain 100, and the inverter to be soldered is positioned;

[0058] S2, the conveying robot 500 conveys the positioned inverter to be soldered after being turned over by 180 degrees to the feeding speed chain 430;

[0059] S3, the feeding speed chain 430 conveys the inverter to be soldered to the in-out lifting speed chain 440, the in-out lifting speed chain 440 conveys the inverter to be soldered into the wave soldering line 410, the inverter is soldered through the wave soldering line 410, then the soldered inverter sequentially passes through the detour lifting speed chain 450, the conveying speed chain 420, the in-out lifting speed chain 440 and is sent back to the feeding speed chain 430;

[0060] S4, the conveying robot 500 turns over the inverter to be soldered on the feeding speed chain 430 by 180 degrees and carries it back to the conveying speed chain 100, then the conveying robot 500 repeats the above-mentioned action to solder the next inverter to be soldered;

[0061] S5, the soldered inverter is conveyed to the gantry turnover mechanical hand 300, the gantry turnover mechanical hand 300 turns over the inverter by 180 degrees and puts it back to the conveying speed chain 100, and a surface locking cover process is performed, after completion, the gantry turnover mechanical hand 300 turns over the inverter by 180 degrees and puts it back to the conveying speed chain 100;

[0062] S6, then the conveying speed chain 100 conveys the inverter to the next process, and the gantry turnover mechanical hand 300 repeats the above-mentioned action.

[0063] The inverter is divided into positive and negative sides, one side of the inverter is used for soldering, locking a cover and conveying, and then the inverter needs to be turned over by 180 degrees when soldering and locking a cover.

[0064] The above describes the preferred embodiments of the present application, but the present application is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. An inverter automatic welding handling station, characterized by: It comprises: A conveying speed chain, which is sequentially provided with a positioning tool for positioning the inverter and a gantry overturning manipulator for overturning the inverter along a conveying direction; A welding circulation conveying line, which comprises a wave soldering line with a welding conveying channel, a transportation speed chain, two lifting speed chains, and a feeding speed chain, the lower ends of the two lifting speed chains are respectively connected with the two ends of the transportation speed chain, and the two ends of the wave soldering line are respectively connected with the upper ends of the two lifting speed chains, wherein the two lifting speed chains are divided into an in-out lifting speed chain and a detour lifting speed chain, and the feeding speed chain is connected with the upper end of the in-out lifting speed chain away from the wave soldering line; A carrying robot, which is used for carrying the inverter to be soldered on the positioning tool to the feeding speed chain and carrying the inverter soldered on the feeding speed chain to the conveying speed chain; When the inverter is conveyed to the feeding speed chain, the carrying robot and the in-out lifting speed chain can perform other actions; The feeding speed chain is provided with a positioning assembly, the positioning assembly comprises a positioning cylinder and a positioning buckle connected with the extension upper end of the positioning cylinder, the welding circulation conveying line comprises a plurality of conveying trays for carrying the inverters, the conveying trays are sequentially circulated along the feeding speed chain, the in-out lifting speed chain, the wave soldering line, the detour lifting speed chain, the transportation speed chain, the in-out lifting speed chain, and the feeding speed chain, and the conveying tray is provided with a positioning port corresponding to the positioning buckle; The carrying robot is a multi-axis robot, the execution end of the multi-axis robot is connected with a special clamp, the gantry overturning manipulator comprises a lifting module, an overturning module, and the special clamp, the lifting module is used for driving the special clamp to move up and down above the conveying speed chain, and the overturning module is used for driving the special clamp to rotate; The special clamp comprises a clamp seat, two clamp arms, and a clamping driving assembly, and the two clamp arms are arranged in parallel with each other; wherein the two clamp arms on the gantry overturning manipulator are arranged in parallel with each other along the conveying direction of the conveying speed chain, the clamp arms extend transversely, the overturning module drives the special clamp to rotate around the central axis extending transversely between the two clamp arms, one end of the clamp arm is slidably connected with the front surface of the clamp seat, the one side surface of each of the two clamp arms facing each other is provided with a positioning block and a soft rubber pad, and the clamping driving assembly is used for driving the two clamp arms to move close to and away from each other; When the inverter is clamped, the inverter is arranged between the two clamp arms, the inverter is provided with positioning notches on both sides, the two positioning blocks are opposite to the two positioning notches respectively, then the clamping driving assembly drives the two clamp arms to move close to each other, the positioning blocks extend into the positioning notches to achieve clamping, and the clamp arms are pressed against the side surface of the inverter through the soft rubber pad; The specific process flow of the soldering and surface cover locking process method is as follows: S1, the inverter to be soldered is conveyed to the positioning tool along the conveying speed chain, and the inverter to be soldered is positioned; S2, the carrying robot overturns the inverter to be soldered by 180 degrees and then carries the inverter to the feeding speed chain. S3, the feeding speed chain transports the to-be-welded inverter to the in-out lifting speed chain, the in-out lifting speed chain transports the to-be-welded inverter into the wave-soldering line, the inverter is welded through the wave-soldering line, and then the welded inverter sequentially passes through the detour lifting speed chain, the conveying speed chain and the in-out lifting speed chain and is sent back to the feeding speed chain; S4, the handling robot turns over the welded inverter on the feeding speed chain by 180 degrees and carries it back to the conveying speed chain, and then the handling robot repeats the above-mentioned action to weld the next to-be-welded inverter; S5, the welded inverter is transported to the gantry turning mechanical hand, the gantry turning mechanical hand turns over the inverter by 180 degrees and puts it back to the conveying speed chain, a face locking cover process is performed, after the process is completed, the gantry turning mechanical hand turns over the inverter again and puts it back to the conveying speed chain; S6, then the conveying speed chain transports the inverter to the next process, and the gantry turning mechanical hand repeats the above-mentioned action.

2. The automatic inverter welding and handling work station according to claim 1, characterized in that: the lifting speed chain comprises a lifting seat with a speed chain, and a lifting driving component that drives the lifting seat to lift up and down.

3. The automatic inverter welding and handling work station according to claim 2, characterized in that: the lifting speed chain further comprises a mounting frame, the mounting frame is provided with a lifting slide rail, the lifting seat is in sliding connection with the lifting slide rail, and the lifting driving component is driven by a ball screw.

4. The automatic inverter welding and handling work station according to claim 1, characterized in that: the lifting module comprises a fixed seat, a lifting column and a lifting driving assembly, the fixed seat is arranged above the conveying speed chain through a gantry, the lifting column is in sliding connection with the fixed seat, the lifting driving assembly drives the lifting column to lift up and down, the turning module comprises a turning shaft that is horizontally rotatably arranged at the lower end of the lifting column and a turning driving assembly that drives the turning shaft to rotate, the turning driving assembly comprises a driven gear that is sleeved on the outer periphery of one end of the turning shaft, a driving gear that is in meshing connection with the driven gear, and a turning servo motor that is in transmission connection with the driving gear, the driving gear is located below the driven gear, and the clamping seat is connected to one end of the turning shaft close to the driving gear.

5. The automatic inverter welding and handling work station according to claim 4, characterized in that: the lower end of the lifting column is provided with a horizontal rotating hole, rotating bearings are arranged at both ends of the rotating hole, the turning shaft is rotatably arranged in the rotating bearings, and the number of rotating bearings close to one end of the special fixture on the rotating hole is two, and one rotating bearing is arranged at the other end.

6. The automatic inverter welding and handling work station according to claim 1, characterized in that: the positioning block and the soft rubber pad are detachably arranged on the clamping arm.

Citation Information

Patent Citations

  • Reflow soldering equipment suitable for PCB

    CN113828884A

  • Automatic selective crest welder with high-voltage test

    CN213960438U