CN115805382A - Online welding workstation of cylindrical power battery of new energy automobile - Google Patents

Online welding workstation of cylindrical power battery of new energy automobile Download PDF

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Publication number
CN115805382A
CN115805382A CN202111066800.XA CN202111066800A CN115805382A CN 115805382 A CN115805382 A CN 115805382A CN 202111066800 A CN202111066800 A CN 202111066800A CN 115805382 A CN115805382 A CN 115805382A
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CN
China
Prior art keywords
welding
tray
new energy
conveying
energy automobile
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Pending
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CN202111066800.XA
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Chinese (zh)
Inventor
张聪
何成峰
石刚
孙天保
王大治
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Shandong Aerospace Weineng Technology Co ltd
Shenyang Institute of Automation of CAS
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Shandong Aerospace Weineng Technology Co ltd
Shenyang Institute of Automation of CAS
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Application filed by Shandong Aerospace Weineng Technology Co ltd, Shenyang Institute of Automation of CAS filed Critical Shandong Aerospace Weineng Technology Co ltd
Priority to CN202111066800.XA priority Critical patent/CN115805382A/en
Publication of CN115805382A publication Critical patent/CN115805382A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The invention belongs to the technical field of new energy automobile cylindrical power battery assembly, and particularly relates to an online welding workstation for a new energy automobile cylindrical power battery. The method comprises the following steps: a frame and a protection system; the tooling fixture system is used for fixing and positioning the battery module and the bus bar which are placed on the tray; the conveying system is used for conveying the trays with the assembled and positioned battery modules to a welding station in the workstation, and is provided with a positioning device used for stopping and positioning the trays; the welding system is arranged on two sides of the conveying system and used for welding the battery modules and the bus plates point by point; and the control system is electrically connected with the tool clamp system, the conveying system and the welding system. The invention has the advantages of reliable work, high automation degree and the like, and can be particularly used in combination with an industrial intelligent automatic assembly production line.

Description

Online welding workstation of cylindrical power battery of new energy automobile
Technical Field
The invention belongs to the technical field of new energy automobile cylindrical power battery assembly, and particularly relates to an online welding workstation for a new energy automobile cylindrical power battery.
Background
No matter plug-in hybrid electric vehicles or pure electric vehicles, the power battery module is the core structural component and the key technology of the vehicle. Through the rapid development of the power battery module technology in recent years, three main forms exist: polymer battery module (pouch battery module), square-case battery module (hard-pack battery module) and cylindrical battery module (mainly 18650 battery module). The market for 18650 battery modules has increased due to the great success of tesla automotive commerce.
In the cylindrical power battery assembling process of new energy automobile, adopt cylindrical battery welding equipment to weld cylinder type battery module, nevertheless have following problem in the current welding technique to cylinder type battery module at least: firstly, the welding process of the battery bus bar needs manual participation, the automation degree is low, and errors are easy to occur; secondly, the tool clamp in the battery welding process cannot cover various types of battery modules, and the tool clamp system is mostly operated manually; thirdly, whole welding process can't carry out dynamic adjustment according to different battery module, and intelligent degree is low.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an online welding workstation for a cylindrical power battery of a new energy vehicle, so as to solve the problems of low automation degree and low intelligence degree of the existing cylindrical battery welding equipment.
The purpose of the invention is realized by the following technical scheme:
an online welding workstation of cylindrical power battery of new energy automobile includes:
a frame and a protection system;
the tooling fixture system is used for fixing and positioning the battery module and the bus bar which are placed on the tray;
the conveying system is used for conveying the tray with the assembled and positioned battery modules to a welding station in the workstation, and is provided with a positioning device used for stopping and positioning the tray;
the welding system is arranged on two sides of the conveying system and used for welding the battery modules and the bus plates point by point;
and the control system is electrically connected with the tool clamp system, the conveying system and the welding system.
The rack and protection system comprises a rack, a protection plate, a maintenance door, a safety light curtain and a tricolor lamp, wherein the rack is of a gantry structure and stretches across two sides of the conveying system; the protection plate is arranged on the outer side of the rack and is provided with a maintenance door; the entrance and exit of the frame are all provided with a safety light curtain, and the top is provided with a three-color lamp for safety warning.
The tooling fixture system comprises a clamping block, a tray, a lower tray positioning block, a pneumatic rotary pressing device, a connecting block and a pneumatic linear module, wherein the clamping block is used for clamping and fixing the battery module and the confluence sheet from two sides; the tray lower positioning block is arranged on the tray and used for positioning the battery module and the bus bar piece which are clamped by the clamping block;
the pneumatic linear module is arranged on the tray and positioned on the outer side of the lower tray positioning block; the pneumatic rotary pressing device is connected with the pneumatic linear module through the connecting block, the pneumatic linear module is used for driving the pneumatic rotary pressing device to move along the front-back direction, and the pneumatic rotary pressing device is used for pressing the battery module.
The pneumatic rotary pressing device comprises a motor and a pressing block, the motor is arranged on the connecting block, and the output end of the motor is connected with the pressing block through a suspension rod.
The new energy automobile cylindrical power battery on-line welding workstation further comprises an upper pressing mechanism; go up hold-down mechanism including last compress tightly cylinder, go up locating piece, top gage and guiding axle, wherein the top gage with frame and protection system top are connected, go up the compress tightly cylinder and set up on the top gage, and output and last locating piece connection, go up the locating piece and be connected through the linear bearing that is equipped with on guiding axle and the top gage.
The conveying system comprises a power conveying line and two sections of unpowered roller conveying lines arranged at the front end and the rear end of the power conveying line; the positioning device is arranged at the bottom of the power transmission line.
The unpowered roller conveying line comprises a profile steel frame and a plurality of rollers arranged on the profile steel frame through rolling bearings;
the power transmission line comprises a single-phase motor, an aluminum profile, a transmission shaft and a toothed belt, wherein the transmission shaft is arranged on the aluminum profile along the direction perpendicular to the transmission direction; and tooth-shaped belts are arranged on two sides of the aluminum profile along the conveying direction and meshed with driving gears at two ends of the transmission shaft.
The positioning device comprises a stop block, a lifting cylinder and a cylinder mounting plate, wherein the cylinder mounting plate is arranged at the bottom of the power transmission line, the lifting cylinder is arranged on the cylinder mounting plate, and the output end of the lifting cylinder is connected with the stop block; the lifting cylinder drives the gear stopper to extend or retract, and gear stopping or releasing of the tray is achieved.
The welding system comprises a rectangular coordinate manipulator and a welding head, wherein the rectangular coordinate manipulator is arranged on two sides of the power transmission line and fixed with the rack and the protection system, and the welding head is arranged at the executing tail end of the rectangular coordinate manipulator and used for executing the welding of the battery module point by point according to a planned path.
The welding head comprises a welding pin, a pressing cylinder, a guide shaft, a base and a fixed seat, wherein the fixed seat is connected with the rectangular coordinate manipulator, the guide shaft is arranged on the fixed seat, the base is connected with the guide shaft in a sliding manner, and the welding pin is arranged on the base; the compressing cylinder is arranged on the fixing seat, and the output end of the compressing cylinder is connected with the base.
The invention has the advantages and positive effects that:
compared with the prior art, the new energy automobile cylindrical power battery on-line welding workstation provided by the invention has the following advantages:
1. the battery welding workstation provided by the invention can be butted with an assembly line, and can automatically access and send out the tray and automatically weld.
2. The battery welding workstation provided by the invention can be compatible with an assembly line control system, and the internal device, the external control system and the internal device can be communicated with each other, so that the states of all devices in a special machine are known and controllable.
3. The battery welding workstation provided by the invention is provided with a communication interface to the outside, is convenient for a PLC (programmable logic controller) master control system or an MES (manufacturing execution system) to access, can upload state information and battery information of a special machine in real time, and can be matched with an industrial 4.0 intelligent assembly system for use.
Drawings
FIG. 1 is a side view of an online welding workstation for a cylindrical power battery of a new energy automobile according to the invention;
FIG. 2 is an axonometric view of an online welding workstation for a cylindrical power battery of a new energy automobile;
FIG. 3 is a schematic structural view of a tooling fixture system of the present invention;
FIG. 4 is a schematic diagram of the construction of the delivery system of the present invention;
FIG. 5 is a schematic view of a welding system according to the present invention;
wherein: 1 is a battery module, 100 is a frame and a protection system, 110 is a frame, 120 is a protection plate, 130 is a maintenance door, 140 is a safety light curtain, 150-bit three-color lamps, 200 is a control system, 210 is an electric control cabinet, 220 is an industrial touch screen computer, 230 is a triplet and an electromagnetic valve, 240 is a teaching box, 300 is a tooling fixture system, 301 is a clamping block, 302 is a tray 303 is a tray lower positioning block, 304 is a pneumatic rotary pressing device, 305 is a connecting block, 306 is a pneumatic linear module, 307 is an upper pressing cylinder, 308 is an upper positioning block, 309 is an upper positioning plate, 310 is a linear bearing, 311 is a guide shaft, 400 is a conveying system, 410 is an unpowered roller conveying line, 411 is a type steel frame, and 412 is a roller, 413 is a rolling bearing, 420 is a positioning device, 421 is a gear stop, 422 is a lifting cylinder, 423 is a cylinder mounting plate, 430 is a power transmission line, 431 is a single-phase motor, 432 is an aluminum profile, 433 is a transmission shaft, 434 is a toothed belt, 500 is a welding system, 510 is a rectangular coordinate manipulator, 511 is a mounting plate, 512 is a profile frame body, 513 is a transverse-axis servo motor, 514 is a transverse-axis linear module, 515 is a transverse-axis fixed sliding block, 516 is a longitudinal-axis servo motor, 517 is a longitudinal-axis linear module, 518 is a longitudinal-axis fixed sliding block, 519 is a welding head connecting plate, 520 is a welding head, 521 is a welding needle, 522 is a pressing cylinder, 523 is a guide shaft, 524 is a base, and 525 is a fixed seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the invention provides an online welding workstation for a cylindrical power battery of a new energy automobile, comprising: a rack and shield system 100, a control system 200, a tool holder system 300, a conveyor system 400, and a welding system 500, wherein the rack and shield system 100 serves as a base frame for a welding workstation. The tooling fixture system 300 is used for fixing and positioning the battery module 1 and the bus bar which are placed on the tray; the conveying system 400 is used for conveying the trays with the assembled and positioned battery modules 1 to a welding station in the workstation, a positioning device 420 is arranged on the conveying system 400, and the positioning device 420 is used for stopping and positioning the trays; the welding system 500 is arranged on two sides of the conveying system 400 and is used for welding the battery module 1 and the bus bar point by point; control system 200 is electrically coupled to tool holder system 300, delivery system 400, and welding system 500.
As shown in fig. 2, in the embodiment of the present invention, the rack and guard system 100 includes a rack 110, a guard plate 120, a maintenance door 130, a safety light curtain 140 and a tri-color lamp 150, wherein the rack 110 is a gantry structure and spans two sides of a conveying system 400; the protection plate 120 is arranged at the outer side of the frame 110 and is provided with a maintenance door 130; the entrance and exit of the frame 110 are provided with safety light curtains 140, and the top is provided with a three-color lamp 150 for safety warning.
In the embodiment of the present invention, as shown in fig. 2, the conveyor system 400 includes a power conveyor line 430 and two unpowered roller conveyor lines 410 disposed at the front and rear ends of the power conveyor line 430; the positioning device 420 is disposed at the bottom of the power transmission line 430.
As shown in fig. 4, in the embodiment of the present invention, the unpowered roller conveyor 410 includes a steel frame 411 and a plurality of rollers 412 mounted on the steel frame 411 through rolling bearings 413. The power transmission line 430 comprises a single-phase motor 431, an aluminum profile 432, a transmission shaft 433 and a toothed belt 434, wherein the transmission shaft 433 is arranged on the aluminum profile 432 along a direction perpendicular to the transmission direction, the single-phase motor 431 is arranged on one side of the aluminum profile 432, the output end of the single-phase motor 431 is connected with the transmission shaft 433, and driving gears are arranged at two ends of the transmission shaft 433; two sides of the aluminum profile 432 are provided with a toothed belt 434 along the conveying direction, and the toothed belt 434 is meshed with driving gears at two ends of the transmission shaft 433. The single-phase motor 431 drives the transmission shaft 433 to rotate, so that the toothed belt 434 is driven to rotate, and conveying of materials is achieved.
As shown in fig. 4, in the embodiment of the present invention, the positioning device 420 includes a stop buffer 421, a lifting cylinder 422 and a cylinder mounting plate 423, wherein the cylinder mounting plate 423 is disposed at the bottom of the power transmission line 430, the lifting cylinder 422 is disposed on the cylinder mounting plate 423, and the output end of the lifting cylinder is connected to the stop buffer 421; the lifting cylinder 422 drives the gear stopper 421 to extend or retract, so that gear stopping or releasing of the tray is realized.
As shown in fig. 3, in the embodiment of the present invention, the work fixture system 300 fixes and positions the power battery pack and the bus bar in a semi-automatic manner, so as to ensure the welding precision; the tooling fixture system 300 comprises a clamping block 301, a tray 302, a tray lower positioning block 303, a pneumatic rotary pressing device 304, a connecting block 305 and a pneumatic linear module 306, wherein the clamping block 301 is used for clamping and fixing the battery module 1 and the bus bar from two sides. Specifically, the two clamping blocks 301 press the battery module 1 and the bus bar into a whole through screws; the tray lower positioning block 303 is arranged on the tray 302 and used for positioning the battery module 1 and the bus bar piece which are clamped by the clamping block 301; the pneumatic linear module 306 is arranged on the tray 302 and is positioned outside the lower tray positioning block 303; the pneumatic rotary pressing device 304 is connected with the pneumatic linear module 306 through the connecting block 305, the pneumatic linear module 306 is used for driving the pneumatic rotary pressing device 304 to move along the front-back direction, and the pneumatic rotary pressing device 304 is used for pressing the battery module 1.
In this embodiment, the pneumatic rotary pressing device 304 includes a motor and a pressing block, the motor is disposed on the connecting block 305, and the output end is connected to the pressing block through a suspension rod. The motor rotates to thereby drive the pressing block to swing to the front of the battery module 1 or to the side away from the battery module 1.
Specifically, pneumatic linear modules 306 are arranged on two sides of the lower tray positioning block 303, and two pneumatic rotary pressing devices 304 on the two pneumatic linear modules 306 are respectively located at the front end and the rear end of the lower tray positioning block 303, so that the battery module 1 can be clamped and positioned from the front side and the rear side. The range of travel of the pneumatic linear module 306 can cover several different sizes of battery packs.
On the basis of the embodiment, the on-line welding workstation for the cylindrical power battery of the new energy automobile further comprises an upper pressing mechanism; as shown in fig. 3, the upper pressing mechanism includes an upper pressing cylinder 307, an upper positioning block 308, an upper positioning plate 309 and a guiding shaft 311, wherein the upper positioning plate 309 is connected to the top of the rack and guard system 100, the upper pressing cylinder 307 is disposed on the upper positioning plate 309, and the output end is connected to the upper positioning block 308, and the upper positioning block 308 is connected to a linear bearing 310 disposed on the upper positioning plate 309 through the guiding shaft 311.
As shown in fig. 5, in the embodiment of the present invention, the welding system 500 includes a cartesian robot 510 and a welding head 520, wherein the cartesian robot 510 is disposed at both sides of the power transmission line 430 and fixed to the rack and guard system 100, and the welding head 520 is disposed at the end of the cartesian robot 510 to perform the welding of the battery module 1 point by point according to the planned path.
In the embodiment of the present invention, the rectangular coordinate manipulator 510 includes a mounting plate 511, a profile frame body 512, a horizontal axis servo motor 513, a horizontal axis linear module 514, a horizontal axis fixed slider 515, a vertical axis servo motor 516, a vertical axis linear module 517, a vertical axis fixed slider 518, and a welding head connection plate 519, wherein the bottom of the profile frame body 512 is connected with a power transmission line 430 through the mounting plate 511, the top is provided with the horizontal axis servo motor 513 and the horizontal axis linear module 514, and the horizontal axis servo motor 513 drives the horizontal axis linear module 514 to move transversely; the horizontal axis linear module 514 is connected with the vertical axis linear module 517 through a horizontal axis fixed sliding block 515, and the vertical axis linear module 517 is driven by a vertical axis servo motor 516 to move longitudinally; the longitudinal axis linear module 517 is connected with the welding head connection plate 519 through a longitudinal axis fixed sliding block 518.
In the embodiment of the present invention, the welding head 520 includes a welding pin 521, a pressing cylinder 522, a guide shaft 523, a base 524, and a fixing seat 525, wherein the fixing seat 525 is connected to the rectangular coordinate manipulator 510, the guide shaft 523 is disposed on the fixing seat 525, the base 524 is slidably connected to the guide shaft 523, and the welding pin 521 is disposed on the base 524; the pressing cylinder 522 is disposed on the fixing base 525, and the output end is connected to the base 524.
Specifically, the rectangular coordinate manipulators 510 of the two sets of welding systems 500 are symmetrically arranged on two sides of the power transmission line 412 respectively, so that the two sides of the battery module can be welded simultaneously, the rectangular coordinate manipulators 510 and the industrial touch screen computer 220 of the teach pendant 240 can perform path planning and design according to different modules, and the welding state and the equipment running condition are displayed in front of the industrial touch screen computer 220.
In the embodiment of the present invention, the frame 110 is formed by welding square steel and steel plates according to the corresponding size and shape, and the protection plate 120 and the maintenance door 130 are assembled to the corresponding positions on the basis of the frame 110, and the battery module entrance and exit are left at the front and the rear, as shown in fig. 2 as a whole. Specifically, the protection plate 120 is made of acrylic material, and two maintenance doors 130 are disposed on both sides of the protection plate. The safety light curtain 140 is arranged at the position of an inlet and an outlet of the battery module, and the three-color lamp 150 is arranged at the top of the inlet and the outlet, so that the main functions of the safety light curtain are to prevent bright light generated during welding from hurting human eyes, and prevent human bodies from entering the welding station to cause casualties. When the workstation breaks down, the safety light curtain 140 detects the entering signal, and then the control system disconnects the whole station power, stops working, and uploads the fault signal to the upper computer, and the tricolor lamp 150 flashes to alarm to prompt manual intervention and operation.
As shown in fig. 1-2, in the embodiment of the present invention, the control system 200 includes an electric control cabinet 210, an industrial touch screen computer 220, a triple and solenoid valve 230, and a teach pendant 240, the industrial touch screen computer 220, the triple and solenoid valve 230, and the teach pendant 240 are electrically connected to main core control components such as a PLC inside the electric control cabinet 210, and a worker can select a welding mode of different types of battery modules through the industrial touch screen computer 220, and can plan and input a path of the cartesian manipulator 510 through the teach pendant 240. The triple and solenoid valve 230 controls the pneumatic circuit of the workstation and the operation of the pneumatic elements.
The working process of the tooling fixture system 300 is: a worker screws and fastens a battery module 1 and a bus bar by using a left clamping block 301 and a right clamping block 301 through screws (not marked in the figure) and tightly presses the battery module into a whole, then the worker pushes the initially positioned battery module to a positioned lower tray positioning block 303, a sensor detects the battery module 1 in a tray 302, a pneumatic rotary pressing device 304 operates, a suspension rod of the device rotates by 90 degrees and limits the battery module 1 in the front-back direction, then two pneumatic linear modules 306 arranged on two sides of the lower tray positioning block 303 are started, the pneumatic rotary pressing device 304 on the front side is driven to move through a connecting block 305 to tightly press the battery module 1 to complete the positioning in the front-back direction, then a conveying system 400 conveys the whole tray to a welding station and lifts and positions the tray, a positioning signal is transmitted to a control system 200, the control system 200 controls a triple piece and an electromagnetic valve 230 to enable an upper pressing cylinder 307 to extend out, and pushes the upper positioning block 308 to press the battery module downwards until the battery module is tightly pressed, and the positioning of the battery module in the up-down direction is completed.
Conveying system 400 is used for carrying the tray 302 that has battery module 1 of built-in portion, and unpowered cylinder transfer chain 410 is installed in weldment work station's import and export, makes things convenient for the workman to carry out primary positioning to the battery module. One section is for having power transmission line 430 in the middle of, docks mutually with two unpowered cylinder transfer chain 410 of import and export, makes things convenient for the workman to carry out the propelling movement of battery module, and two symmetrical arrangement's aluminium alloy 432 are fixed on frame 110, and single phase motor 431 is fixed on aluminium alloy 432, and drive transmission shaft 433 is rotatory, drives the inside tooth belt motion of aluminium alloy 432, realizes the transport of battery module 1. Three sets of positioning devices 420 are arranged in the middle of the power transmission line 430, the stop buffer 421 and the cylinder mounting plate 423 are fixed on the aluminum profile 432, the lifting cylinder 422 and the cylinder mounting plate 423 are fixed, the stop buffer 421 stops the tray 302, an internal sensor (not shown in the figure) triggers the lifting electromagnetic valve after sensing the tray 302, the lifting cylinder 422 is controlled to complete the positioning of the tray 302, and the lifting magnetic switch is triggered after the lifting cylinder 422 is lifted to the right position and transmits a signal to the control system 200.
The welding system 500 is a core system of the whole welding workstation and comprises two parts, namely a rectangular coordinate manipulator 510 and a welding head 520, wherein the two rectangular coordinate manipulators 510 are symmetrically arranged on two sides of the power transmission line 430, and double-sided welding of the battery module can be completed. The mounting plate 511 of the rectangular coordinate manipulator 510 is fastened on the frame 110 by bolts, and the mounting distance can be adjusted left and right to adapt to welding of battery modules with different thicknesses, so that the welding flexibility is improved. The section bar frame body 512 is welded on the mounting plate 511, the transverse axis linear module 514 is fixed on the section bar frame body 512 and driven by a transverse axis servo motor 513 to realize high-precision movement of a transverse axis fixing slide block 515, the longitudinal axis linear module 517 is fixed on the transverse axis fixing slide block 515 and driven by a longitudinal axis servo motor 516 to realize high-precision movement of a longitudinal axis fixing slide block 518, the welding head connecting plate 519 is fixed with the longitudinal axis fixing slide block 518, the welding head 520 is fixed with the welding head connecting plate 519, and further high-precision movement of the welding head 520 in a vertical plane is realized.
When the welding machine works, the control system 200 receives a lifting in-place signal, the upper pressing cylinder 307 extends out by controlling the triple piece and the electromagnetic valve 230, the upper positioning block 308 is pushed downwards until the battery module is pressed, after the battery module is pressed in place, the in-place signal is transmitted to the control system 200 by the magnetic switch of the upper pressing cylinder 307, the welding head 520 is driven to move point by point according to welding points by controlling the horizontal axis servo motor 513 and the vertical axis servo motor 516, after the welding points are reached, the control system 200 controls the triple piece and the electromagnetic valve 230 to extend out the pressing cylinder 522, the base 524 extends out along the guide shaft 523 on the fixing base 525 until the welding pin 521 is pressed on the welding point of the battery module, the welding pin 521 is contacted with the surface of the battery busbar and applies a certain pressure, the control system 200 controls the welding pin 521 to release current, the rectangular coordinate manipulator 510 moves point by point according to a specified path, and the welding head 520 is moved to a corresponding position to complete welding of the busbar. The rectangular manipulator 510 can cover the welding range of the battery module, and each welding point position needs to be welded four times to form four welding points, so that the welding strength is ensured.
After welding is completed, the control system 200 controls the transverse axis servo motor 513 and the longitudinal axis servo motor 516 to reset, the upper pressing cylinder 307 to reset, the lifting cylinder 422 to reset, the stopper 421 releases the tray 302, the power transmission line 430 transmits the tray to an outlet station, the pneumatic linear module 306 resets, the suspension rod of the pneumatic rotary pressing device 304 rotates to reset, the three-color lamp 150 lights, a worker is prompted to disassemble the clamping block 301, and the battery module 1 is pushed to a downstream station. The control system 200 then controls the conveyor system 300 to transport the empty tray 302 to the import station in preparation for the next weld.
The specific working process of the invention is as follows:
during working, a worker is responsible for conveying a battery module 1 into the lower tray positioning block 310 through the unpowered roller conveying line 410, then the work fixture system 300 fixes the battery module 1, the control system 200 transmits a signal to the conveying system 400 after the fixing is finished, the power conveying line 430 runs, the tray is conveyed into a workstation, and after the stop stops the tray and detects that the tray is in place, the jacking cylinder is started to complete jacking positioning; after the welding is completed, the signals are transmitted to the control system 200, the control system 200 starts the upper pressing cylinder to press and position the battery module 1, the signals are transmitted to the control system 200 after the action is completed, the control system 200 starts the rectangular coordinate manipulator 510 to enable the rectangular coordinate manipulator to move to a corresponding position according to a planned path, the welding head 520 is started after the action is completed, the welding head 520 completes the welding of the current point position, the signals are transmitted to the rectangular coordinate manipulator 510 after the welding is completed, the rectangular coordinate manipulator 510 moves to the next point position, and the welding process is repeated until the welding of all the point positions is completed; after welding, all mechanisms reset, the positioning device releases the tray, and the conveying device sends the tray out of the special machine.
The invention can be butted with an assembly line body to serve as a special machine station of the whole assembly line body, the system is compatible with an assembly line control system, and an internal device, an external control system and the internal device can be communicated with each other, and a communication interface is reserved outside, so that a PLC (programmable logic controller) main control system or an MES (manufacturing execution system) system can be conveniently accessed, state information and battery information of the special machine can be uploaded in real time, and the requirement specification of an industrial 4.0 intelligent assembly system is met.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a cylindrical power battery on-line weldment work station of new energy automobile which characterized in that includes:
a rack and guard system (100);
the tooling clamp system (300) is used for fixing and positioning the battery module (1) and the bus plate which are placed on the tray;
the conveying system (400) is used for conveying the tray with the assembled and positioned battery modules (1) to a welding station in the workstation, a positioning device (420) is arranged on the conveying system (400), and the positioning device (420) is used for stopping and positioning the tray;
the welding system (500) is arranged on two sides of the conveying system (400) and is used for welding the battery module (1) and the bus bar point by point;
and the control system (200) is electrically connected with the tool clamp system (300), the conveying system (400) and the welding system (500).
2. The cylindrical power battery online welding workstation of the new energy automobile according to claim 1, characterized in that the rack and guard system (100) comprises a rack (110), a guard plate (120), a maintenance door (130), a safety light curtain (140) and a three-color lamp (150), wherein the rack (110) is of a gantry structure and spans two sides of the conveying system (400); the protection plate (120) is arranged on the outer side of the rack (110) and is provided with a maintenance door (130); the entrance and exit of the frame (110) are provided with safety light curtains (140), and the top is provided with a three-color lamp (150) for safety warning.
3. The new energy automobile cylindrical power battery online welding workstation as claimed in claim 1, wherein the tooling fixture system (300) comprises a clamping block (301), a tray (302), a tray lower positioning block (303), a pneumatic rotary pressing device (304), a connecting block (305) and a pneumatic linear module (306), wherein the clamping block (301) is used for clamping and fixing the battery module (1) and the bus bar from two sides; the tray lower positioning block (303) is arranged on the tray (302) and used for positioning the battery module (1) and the bus bar piece which are clamped by the clamping block (301);
the pneumatic linear module (306) is arranged on the tray (302) and is positioned on the outer side of the tray lower positioning block (303); the pneumatic rotary pressing device (304) is connected with the pneumatic linear module (306) through the connecting block (305), the pneumatic linear module (306) is used for driving the pneumatic rotary pressing device (304) to move in the front-back direction, and the pneumatic rotary pressing device (304) is used for pressing the battery module (1).
4. The cylindrical power battery online welding workstation of new energy automobile according to claim 3, characterized in that, pneumatic rotatory closing device (304) includes motor and compact heap, and the motor sets up on connecting block (305), and the output passes through the suspension rod and is connected with the compact heap.
5. The cylindrical power battery on-line welding workstation of new energy automobile of claim 1, characterized by further comprising an upper hold-down mechanism; the upper pressing mechanism comprises an upper pressing cylinder (307), an upper positioning block (308), an upper positioning plate (309) and a guide shaft (311), wherein the upper positioning plate (309) is connected with the top of the rack and protection system (100), the upper pressing cylinder (307) is arranged on the upper positioning plate (309), an output end of the upper pressing cylinder is connected with the upper positioning block (308), and the upper positioning block (308) is connected with a linear bearing (310) arranged on the upper positioning plate (309) through the guide shaft (311).
6. The cylindrical power battery on-line welding workstation of the new energy automobile according to claim 1, characterized in that the conveying system (400) comprises a power conveying line (430) and two sections of unpowered roller conveying lines (410) arranged at the front end and the rear end of the power conveying line (430); the positioning device (420) is arranged at the bottom of the power transmission line (430).
7. The cylindrical power battery online welding workstation of the new energy automobile according to claim 6, characterized in that the unpowered roller conveyor line (410) comprises a section steel frame (411) and a plurality of rollers (412) mounted on the section steel frame (411) through rolling bearings (413);
the power transmission line (430) comprises a single-phase motor (431), an aluminum profile (432), a transmission shaft (433) and a toothed belt (434), wherein the transmission shaft (433) is arranged on the aluminum profile (432) along a direction perpendicular to the conveying direction, the single-phase motor (431) is arranged on one side of the aluminum profile (432), an output end of the single-phase motor is connected with the transmission shaft (433), and driving gears are arranged at two ends of the transmission shaft (433); two sides of the aluminum profile (432) are provided with a toothed belt (434) along the conveying direction, and the toothed belt (434) is meshed with driving gears at two ends of the transmission shaft (433).
8. The cylindrical power battery online welding workstation of the new energy automobile according to claim 6, characterized in that the positioning device (420) comprises a stop (421), a lifting cylinder (422) and a cylinder mounting plate (423), wherein the cylinder mounting plate (423) is arranged at the bottom of the power transmission line (430), the lifting cylinder (422) is arranged on the cylinder mounting plate (423), and the output end of the lifting cylinder is connected with the stop (421); the lifting cylinder (422) drives the gear stopper (421) to extend or retract, so that gear stopping or releasing of the tray is realized.
9. The new energy automobile cylindrical power battery on-line welding workstation as claimed in claim 6, characterized in that the welding system (500) comprises a rectangular coordinate manipulator (510) and a welding head (520), wherein the rectangular coordinate manipulator (510) is arranged on two sides of the power transmission line (430) and fixed with the rack and guard system (100), the welding head (520) is arranged at the executing end of the rectangular coordinate manipulator (510), and the welding of the battery module (1) is executed point by point according to a planned path.
10. The new energy automobile cylindrical power battery online welding workstation as claimed in claim 9, wherein the welding head (520) comprises a welding pin (521), a pressing cylinder (522), a guide shaft (523), a base (524) and a fixed seat (525), wherein the fixed seat (525) is connected with the rectangular coordinate mechanical arm (510), the guide shaft (523) is arranged on the fixed seat (525), the base (524) is slidably connected with the guide shaft (523), and the welding pin (521) is arranged on the base (524); the pressing cylinder (522) is arranged on the fixed seat (525), and the output end of the pressing cylinder is connected with the base (524).
CN202111066800.XA 2021-09-13 2021-09-13 Online welding workstation of cylindrical power battery of new energy automobile Pending CN115805382A (en)

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CN115805382A true CN115805382A (en) 2023-03-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117245264A (en) * 2023-11-08 2023-12-19 江苏铭利达科技有限公司 Welding set is used in production of battery tray frame for new energy automobile

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104785943A (en) * 2015-04-20 2015-07-22 骏马石油装备制造有限公司 Cylinder reinforcing ring assembling-welding workstation and welding method thereof
CN204545705U (en) * 2014-12-26 2015-08-12 深圳市沃特玛电池有限公司 A kind of automatic laser end face welding equipment
US20160351746A1 (en) * 2014-05-02 2016-12-01 Deployable Space Systems, Inc. System and Method for Producing Modular Photovoltaic Panel Assemblies for Space Solar Arrays
CN206286727U (en) * 2016-12-12 2017-06-30 苏州德机自动化科技有限公司 A kind of car antenna pcb board Product jointing device
CN108539243A (en) * 2018-02-25 2018-09-14 深圳市联赢激光股份有限公司 A kind of battery modules automatically welding workstation
CN112388165A (en) * 2020-11-09 2021-02-23 苏州巨一智能装备有限公司 Bus bar welding protection device, bus bar welding device and welding method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160351746A1 (en) * 2014-05-02 2016-12-01 Deployable Space Systems, Inc. System and Method for Producing Modular Photovoltaic Panel Assemblies for Space Solar Arrays
CN204545705U (en) * 2014-12-26 2015-08-12 深圳市沃特玛电池有限公司 A kind of automatic laser end face welding equipment
CN104785943A (en) * 2015-04-20 2015-07-22 骏马石油装备制造有限公司 Cylinder reinforcing ring assembling-welding workstation and welding method thereof
CN206286727U (en) * 2016-12-12 2017-06-30 苏州德机自动化科技有限公司 A kind of car antenna pcb board Product jointing device
CN108539243A (en) * 2018-02-25 2018-09-14 深圳市联赢激光股份有限公司 A kind of battery modules automatically welding workstation
CN112388165A (en) * 2020-11-09 2021-02-23 苏州巨一智能装备有限公司 Bus bar welding protection device, bus bar welding device and welding method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117245264A (en) * 2023-11-08 2023-12-19 江苏铭利达科技有限公司 Welding set is used in production of battery tray frame for new energy automobile
CN117245264B (en) * 2023-11-08 2024-04-19 江苏铭利达科技有限公司 Welding set is used in production of battery tray frame for new energy automobile

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