CN115971702A

CN115971702A - Full-automatic welding machine for full-lug cylindrical battery collector

Info

Publication number: CN115971702A
Application number: CN202310125688.5A
Authority: CN
Inventors: 魏旭花; 罗传军; 彭正平; 钟东平
Original assignee: Shenzhen Shenghanyu Automation Equipment Co ltd
Current assignee: Shenzhen Shenghanyu Automation Equipment Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-04-18

Abstract

The invention discloses a full-automatic welding machine for collector plates of a full-lug cylindrical battery, which relates to the technical field of battery production and specifically comprises an installation table, a transmission mechanism, a transfer mechanism with double stations, two collector plate feeding units with double stations and the same structure, two laser welding mechanisms with the same structure, a battery cell turning mechanism with double stations and a collector plate folding mechanism; two current-collecting sheet feeding units and two laser welding mechanisms. The invention mainly aims at the welding processing of the positive and negative current collecting pieces of the full-lug cylindrical battery, adopts full-automatic double-station unmanned operation, and the whole charging and welding of the positive and negative current collecting pieces, the transferring and moving of the battery core, and the manual operation intervention are not needed, and meanwhile, the supervision and operation of each post by a plurality of working personnel are also not needed, so that the labor cost expenditure is greatly reduced, and compared with the traditional semi-automatic production processing equipment, the assembly working efficiency of the positive and negative current collecting pieces of the battery is substantially broken through.

Description

Full-automatic welding machine for full-lug cylindrical battery collector

Technical Field

The invention relates to the technical field of battery production, in particular to a full-automatic welding machine for a full-lug cylindrical battery collector plate.

Background

The full-lug cylindrical battery has absolute advantages compared with the common single-lug battery in solving the heat dissipation problem of a high-energy-density battery core, and is a major breakthrough in the technical innovation of the current new energy battery.

In the current full-tab battery assembly technology, particularly the welding process of positive and negative tab current collecting plates of a battery, a production line mostly adopts semi-automatic equipment, and in the process, workers are required to monitor posts or operate and manage equipment at each station, so that the labor cost is high, and the capacity of the battery cannot be effectively broken through all the time due to manual operation intervention in the assembly process;

in addition, most of the equipment of battery production line mostly is the transmission of simplex position wheel disk assembly line, and the battery cooperates the rim plate location through the mode of slip antedisplacement in the transmission to realize the operations such as the turn around of electric core, the material loading and the welding of current collector, and the removal between this in-process electric core surface and the spout will produce the friction to form the mar on electric core surface.

Based on the above, we provide a full-automatic welding machine for a full-lug cylindrical battery collector.

Disclosure of Invention

Aiming at the defects that the prior battery assembly process has high labor cost, difficult improvement of assembly efficiency, easy scratch on the surface of a battery cell in the assembly process and the like in the prior art, the invention provides a full-lug cylindrical battery collector piece full-automatic welding machine which is used for solving the problems.

The invention discloses a full-automatic welding machine for collector plates of full-lug cylindrical batteries, which comprises an installation table, a transmission mechanism, a transfer mechanism with double stations, two collector plate feeding units with double stations and the same structure, two laser welding mechanisms with the same structure, a battery cell turning mechanism with double stations and a collector plate folding mechanism, wherein the transmission mechanism is arranged on the installation table; the two current collecting piece feeding units and the two laser welding mechanisms are distinguished by the negative current collecting piece feeding unit, the positive current collecting piece feeding unit, the first laser welding mechanism and the second laser welding mechanism respectively.

The conveying mechanism is installed in the middle of the installation table along the length direction of the installation table, and the transfer mechanism, the negative current collecting piece feeding unit, the first laser welding mechanism, the battery cell turning mechanism, the positive current collecting piece feeding unit, the second laser welding mechanism and the current collecting folding mechanism are sequentially arranged on the same side of the conveying mechanism in sequence according to the feeding moving direction of the conveying mechanism.

The conveying mechanism comprises a conveying table and two positioning slide rails arranged at the top of the conveying table, a plurality of feeding tray assemblies with double stations are slidably arranged on the two positioning slide rails, and a linkage driving mechanism used for driving the feeding tray assemblies to move is further arranged on the conveying table.

Further, the dust cover is arranged at the top of the mounting table; and a frame at the bottom of the mounting table; a man-machine interaction control assembly is arranged on the dustproof cover; the frame is internally provided with an air source system for providing power for each cylinder part and a vacuum system for providing vacuum negative pressure suction for taking materials by the feeding mechanism and the carrying mechanism; the air source system and the vacuum system adopt an air compression system commonly used in the current mechanical intelligent equipment as a power air source, and a vacuum negative pressure suction system as vacuum suction power when the feeding mechanism and the carrying mechanism suck the collecting piece; the man-machine interaction control assembly adopts the current intelligent programmable intelligent control computer, and is also the control equipment commonly used in the current intelligent mechanical equipment.

Furthermore, a battery cell feeding mechanism is further mounted at the feeding end of the conveying mechanism on one side of the mounting table; the tail end of the battery cell feeding mechanism and the feeding end of the conveying mechanism are designed to be overlapped in a horizontal direction, the width of the overlapped and staggered part is consistent with the width of one feeding tray assembly, and the transfer mechanism is installed at one side of the overlapped and staggered part of the battery cell feeding mechanism and the conveying mechanism.

The transfer mechanism consists of a vertical frame a, a cylinder driving transverse moving assembly arranged at the top of the vertical frame a and a driving clamping mechanism vertically arranged on a moving slide block of the cylinder driving transverse moving assembly; the cylinder driving transverse moving assembly consists of a slide rail frame transversely arranged at the top of the vertical frame a, a moving slide block slidably arranged with the slide rail frame, and a transverse moving driving cylinder arranged at the end part of the slide rail frame and fixedly connected with the moving slide block.

The driving clamping mechanism comprises a mounting block a, a width adjusting cylinder transversely mounted in the middle of one side of the mounting block a, two height adjusting cylinders and two pneumatic parallel clamps a; two height adjusting cylinder highly unanimous in the horizontal position, one of them height adjusting cylinder passes through the support mounting on width adjusting cylinder's telescopic boom, and another height adjusting cylinder is then installed in the side of installation piece a, and two height adjusting cylinder and two pneumatic parallel clamp a adopt synchro control.

Furthermore, the linkage driving mechanism comprises a transverse pushing cylinder component a, a transverse pushing cylinder component b, a material pushing cylinder component and a back-shifting cylinder component; the transverse pushing cylinder assembly a and the transverse pushing cylinder assembly b are respectively located at two ends of the conveying table, the moving directions of the transverse pushing cylinder assembly a and the transverse pushing cylinder assembly b are designed oppositely, the pushing cylinder assembly and the return cylinder assembly are located at the diagonal positions of the conveying table, the moving directions of the pushing cylinder assembly and the return cylinder assembly are parallel and opposite, the two positioning slide rails are parallel to each other, and the installation angle of the positioning slide rails is consistent with the moving directions of the pushing cylinder assembly and the return cylinder assembly.

Gaps matched with the width of the feeding tray assembly are reserved between the two ends of the two positioning slide rails and the end part of the conveying table; and the two ends of the two positioning slide rails and the inner sides of the two ends of the conveying table are both provided with supporting tables with the heights consistent with the heights of the positioning slide rails.

The feeding tray assembly comprises a base, and the base is slidably mounted on the positioning slide rail through a limiting slide block mounted at the bottom; two groups of battery cell brackets are arranged at the top of the base to form two battery cell fixing stations; one end of each group of the battery cell bracket close to the conveying table is provided with a battery cell end positioning block with an adjustable position; and an arc-shaped current collector positioning clamping plate is arranged at the other end of each group of the battery cell bracket, and a clamping groove with a closed bottom end is formed between the current collector positioning clamping plate and the end part of the battery cell and used for clamping the current collector.

Furthermore, the mass flow piece feeding unit comprises a material storage mechanism, a carrying mechanism, an angle rotating device, a waste screening mechanism, a material supporting mechanism, a feeding mechanism and a material stirring mechanism.

The storage mechanism is arranged on the mounting table and used for storing and providing electrode current collecting piece materials to the feeding mechanism; the storage mechanism comprises a main mounting plate, wherein four storage tanks are vertically arranged on one surface of the main mounting plate, and two storage tanks form a group from left to right; a feeding motor is respectively arranged on the main mounting plate at the bottom of each group of storage tanks, and a group of conveyor belt assemblies are vertically arranged on the back of the main mounting plate corresponding to the positions among the storage tanks; the feeding motor is in transmission connection with the conveyor belt assemblies, the main mounting plate on one side of each conveyor belt assembly is further provided with a guide slide rail, a fixing clamp fixed with a transmission belt in the conveyor belt assembly is slidably mounted on the guide slide rail, and a material pushing frame is mounted on the fixing clamp.

A moving hole is reserved in the position, moving up and down, of the main mounting plate along the material ejecting frame; offer on the cell wall of stock chest and supply the liftout frame front end to stretch into inside and the opening that reciprocates in the stock chest inside, in order to detect the inside stock condition of stock chest, install on the liftout frame that lies in the stock chest inside and survey the thing sensor.

The material storage mechanism also comprises a transverse moving driving assembly, and the transverse moving driving assembly consists of a base arranged at the bottom of the mounting table and a pushing driving mechanism arranged on the base; the sliding unit on the pushing driving mechanism is fixedly installed together with the main installation plate by taking the bearing plate as a carrier, and a through hole for the transverse movement of the mounting plate is formed in the position, located on the material storage mechanism, of the mounting table.

Furthermore, the angle rotating device and the waste screening mechanism are longitudinally arranged side by side and are positioned at one side of the carrying mechanism, the material supporting mechanism and the feeding mechanism are transversely designed side by side, and the material supporting mechanism, the angle rotating device and the waste screening mechanism are positioned on the longitudinal axis of the moving path of the carrying mechanism; the material poking mechanism is arranged in the middle of the conveying table.

The carrying mechanism comprises a rodless cylinder sliding driving assembly arranged on the mounting table; a lifting cylinder a is vertically arranged on a sliding block of the rodless cylinder sliding driving assembly through a support, and an E-shaped frame is horizontally arranged at the top end of the lifting cylinder a; the bottom ends of the three branches of the E-shaped frame are provided with two vacuum suction nozzles corresponding to the same group of material storage tanks, and a suction channel for communicating the two vacuum suction nozzles is arranged in each branch of the E-shaped frame; and one end of each suction channel is provided with a vacuum-pumping joint mounting hole.

The material shifting mechanism comprises a vertical frame c and a material shifting cylinder which is arranged at the top of the vertical frame c in a horizontal mode; the material stirring cylinder is characterized in that a material stirring sheet is installed on a telescopic arm of the material stirring cylinder through a connecting arm, the material stirring sheet is located in a gap between two electric core fixing stations in the feeding tray assembly, and the material stirring sheet is in an inverted T-shaped structural design.

Furthermore, the angle rotating device consists of a base platform and a rotating cylinder arranged on the base platform, a current collecting piece temporary placing platform with a current collecting piece positioning pin is horizontally arranged on a rotating shaft of the rotating cylinder, a visual detection device is also arranged at the top of the base platform, and the visual detection device adopts a conventional industrial visual detection sensor device and is mainly used for detecting the angle of the current collecting piece.

The waste screening mechanism comprises a vertical frame b and a collecting box arranged on one side of the vertical frame b; a rotary cylinder a is installed in the middle of the vertical frame b, a material carrying plate is horizontally installed on an output rotating shaft of the rotary cylinder a, and two groups of current collecting piece positioning piles are arranged on the material carrying plate; and a visual scanning probe is respectively arranged at the position, corresponding to each group of the current collecting piece positioning piles, of the top end of the vertical frame b.

Furthermore, the material supporting mechanism comprises a material supporting cylinder which is arranged on the mounting table through a supporting block; and the top end of the material supporting cylinder is horizontally provided with a material supporting platform.

The feeding mechanism comprises a displacement cylinder a which is transversely fixed on the mounting table through a mounting block b, a telescopic arm of the displacement cylinder a is vertically provided with the displacement cylinder b through a support, a mounting vertical frame is vertically arranged on the telescopic arm of the displacement cylinder b, and one side of the mounting vertical frame is provided with a driving motor and a multi-channel rotary joint; the rotary joint end of the multi-channel rotary joint and the installation vertical frame are rotatably installed through a bearing; the rotary joint of the multi-channel rotary joint is in transmission connection with the driving motor; and one end of the rotary joint extends to the other side of the mounting vertical plate, and a double-cross hollow frame is also mounted on the rotary joint; four support arm end parts of the cross hollow frame are respectively provided with a material taking suction nozzle.

The inside of two cross hollow framves is equipped with and corresponds and communicating passageway with the inside air flue of multichannel rotary joint output, and this passageway and every get material suction nozzle intercommunication.

And an electronic counting sensor is arranged at the position, corresponding to the double-cross hollow frame, of the top end of the mounting vertical frame so as to be used for counting the aggregate pieces.

Furthermore, the laser welding mechanism consists of a collector fixing and laser triggering assembly and a laser welding unit; wherein the collector fixing and laser triggering assembly is arranged on the conveying table and is linearly opposite to the laser welding unit.

The current collecting piece fixing and laser triggering assembly comprises a vertical plate and a fixed seat which are arranged on the conveying platform and are respectively positioned at two ends of the feeding tray assembly, a horizontally designed battery cell positioning cylinder is respectively arranged at the top end of the vertical plate corresponding to two battery cell fixing stations on the feeding tray assembly, a telescopic end of the battery cell positioning cylinder is provided with a pressure sensor used for providing start and stop signals for the following laser welding host assembly, and the pressure sensor is in signal connection with a control mechanism in the laser welding unit; the top of the fixing seat is horizontally provided with a current collector forward-pushing driving cylinder, the telescopic end of the current collector forward-pushing driving cylinder is provided with two current collector push blocks corresponding to the electric core fixing stations through a carrier, and through holes convenient for laser welding are preset in the current collector push blocks.

The laser welding unit comprises a sliding table seat arranged on the mounting table, a positioning sliding rod and a rotary lead screw are arranged on the sliding table seat, a sliding table connected with the rotary lead screw through a lead screw is arranged on the positioning sliding rod in a sliding mode, a mounting arm is vertically arranged at the top of the sliding table, a laser welding host assembly is arranged on the side face of the mounting arm, and a laser emitting head is arranged at a laser generating end of the laser welding host assembly; and a positioning bolt is screwed on the sliding table.

Further, the battery cell turning mechanism comprises a portal frame arranged on the conveying table; this portal frame is located the position of pay-off tray subassembly top and installs lift cylinder b perpendicularly, revolving cylinder b is installed to lift cylinder b's flexible end horizontal installation, a mounting disc is installed to revolving cylinder's pivot horizontal installation, and a vertical pneumatic parallel clamp b is respectively installed to the bottom at mounting disc both ends.

Further, the folding mechanism of current collector is including being located pay-off tray subassembly both ends and with conveying platform fixed mounting's grudging post d and mount pad, the top of grudging post d corresponds the position department horizontal installation of two electric core fixed stations and has one to promote cylinder a, and back clamp splice is installed to two flexible ends that promote cylinder a, still installs the current collector preceding push cylinder that a level set up on the grudging post d between two promotion cylinders a, the folding push pedal of current collector is installed through the push rod to the front end of the preceding push cylinder of current collector.

The mounting seat is provided with a horizontally arranged propelling cylinder b, and the telescopic end of the propelling cylinder b and the cylinder body are respectively provided with a front clamping block and a current collecting sheet downward-pressing cylinder.

Compared with the prior art, the invention has the following beneficial effects:

the invention mainly aims at the welding processing of positive and negative pole current collecting plates of a full-lug cylindrical battery.

The full-automatic double-station unmanned operation is adopted, the whole feeding and welding of the positive and negative collector pieces and the transferring and moving of the battery core do not need manual operation intervention, and meanwhile, a plurality of workers do not need to supervise and operate each post, so that the labor cost expenditure is greatly reduced.

In addition, the whole equipment adopts the plurality of feeding tray assemblies to lift the battery, and the battery core is driven to move by moving the feeding tray assemblies, so that sliding friction between the battery core and any object cannot be generated in the whole process, the scratch on the surface of the battery core can be avoided, the angles and the positions of the battery core arranged on each station can be highly unified to a certain extent, and the qualified rate of battery assembly can be further improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

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

fig. 4 is a schematic structural diagram of a cell feeding mechanism according to the present invention;

FIG. 5 is a schematic view of a negative electrode tab loading unit according to the present invention;

FIG. 6 is a first schematic structural diagram of a material storage mechanism according to the present invention;

FIG. 7 is a second schematic view of the storing mechanism according to the present invention;

FIG. 8 is a schematic structural view of a carrying mechanism according to the present invention;

FIG. 9 is a schematic view of the waste screening mechanism of the present invention;

FIG. 10 is a schematic structural view of a feeding mechanism and a supporting mechanism according to the present invention;

FIG. 11 is a schematic view of the structure of the material pushing mechanism and the feeding tray assembly of the present invention;

FIG. 12 is a schematic structural view of a laser welding mechanism according to the present invention;

FIG. 13 is a schematic view of a laser welding unit according to the present invention;

FIG. 14 is a schematic structural view of a sheet-collecting folding mechanism according to the present invention;

fig. 15 is a schematic structural view of a cell turning mechanism according to the present invention;

FIG. 16 is a schematic view of the structure of the transfer mechanism of the present invention;

FIG. 17 is a top view of the table of the present invention;

FIG. 18 is a bottom structure of the conveying table of the present invention.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments of the invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, such physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In the assembly process and the processing process of the conventional full-lug battery, a rotating disc type equipment process is mostly adopted by production line equipment, when the equipment is assembled on a production line, an electric core is basically in a chute conveying line in the process of transfer between the processes, scratches are inevitably generated by friction between the surface of the electric core and the chute in the transfer process, the outer side of the electric core can rub against the chute in the transfer process, the angle of the end part of the electric core is changed due to rotation of the electric core, an electric core correcting mechanism needs to be additionally arranged before each process, manual on-site supervision needs to be supplemented, in order to solve the problem, a tray is designed to be used as a sliding carrier of the electric core, the scratches and the angle deviation of the electric core in the moving process are avoided, a plurality of angle correcting processes in the electric core lug piece assembly welding process are cancelled, the structure of the electric core conveying line is simplified, the whole process is simpler and smoother from the initial stage to the final stage while the battery core lug piece welding assembly process is met, the possibility of manual intervention is reduced, automatic production is realized, and the production efficiency and the product quality is improved.

Referring to fig. 1 and fig. 2, the full-automatic welding machine for collector plates of full-tab cylindrical batteries disclosed by the invention comprises an installation table 1, a transmission mechanism 2, a transfer mechanism 4 with double stations, two collector plate feeding units with double stations and the same structure, two laser welding mechanisms with the same structure, a cell turning mechanism 7 with double stations and a collector folding mechanism 10; the two current collecting piece feeding units and the two laser welding mechanisms are respectively distinguished by a negative current collecting piece feeding unit 5, a positive current collecting piece feeding unit 8, a first laser welding mechanism 6 and a second laser welding mechanism 9; the negative current collecting piece feeding unit 5 and the first laser welding mechanism 6 are in a group and mainly responsible for automatic feeding and welding of a negative current collecting piece of the battery cell, and the positive current collecting piece feeding unit 8 and the second laser welding mechanism 9 are in a group and mainly responsible for automatic feeding and welding of a positive current collecting piece of the battery cell.

Referring to fig. 1 and 2, the conveying mechanism is installed in the middle of the installation table 1 along the length direction of the installation table 1, the transfer mechanism 4, the negative current collecting piece feeding unit 5, the first laser welding mechanism 6, the cell turning mechanism 7, the positive current collecting piece feeding unit 8, the second laser welding mechanism 9 and the current collecting piece folding mechanism 10 are sequentially arranged on the same side of the conveying mechanism in the feeding moving direction of the conveying mechanism, wherein the cell turning mechanism 7 is arranged between the two laser welding mechanisms, so that the cell which has completed the welding of the negative current collecting piece is turned around, the subsequent feeding and welding processes of the positive current collecting piece are facilitated, and the cell is turned around in the vertical lifting, clamping and horizontal rotating modes of the cell turning mechanism 7, so that not only can the cell be prevented from generating tea smearing scratches, but also the angle of the end face of the cell can be ensured to be unchanged, and the purpose of horizontal turning around is achieved.

Referring to fig. 1, fig. 2, fig. 16, fig. 17, and fig. 18, in order to realize that the battery cells pass through each processing station orderly and stably, specifically, the conveying mechanism includes a conveying table 201 and two positioning slide rails 202 installed at the top of the conveying table 201, a plurality of feeding tray assemblies 207 having two stations are installed on the two positioning slide rails 202 in a sliding manner, and a linkage driving mechanism for driving the feeding tray assemblies 207 to move is further disposed on the conveying table 201; the feeding tray assembly 207 is mainly used for bearing the battery cell, positioning the battery cell, and simultaneously, the feeding tray assembly 207 drives the battery cell to move on the conveying platform 201 through the push-pull action of the linkage driving mechanism, and meanwhile, the feeding tray assembly 207 can also realize the circular movement on the conveying platform 201.

A dust cover (not shown) arranged on the top of the mounting table 1; and a frame (not shown) at the bottom of the installation table 1; in addition, in order to facilitate the adjustment and setting of the equipment parameters by operators, a human-computer interaction control assembly (not shown) is arranged on the dust cover; in order to solve the power source problem of each component in the whole equipment, an air source system (not shown) for providing power for each cylinder component and a vacuum system (not shown) for providing vacuum negative pressure suction for taking materials by the feeding mechanism 506 and the carrying mechanism 502 are also installed in the frame; the air source system and the vacuum system adopt an air compression system commonly used in the current mechanized intelligent equipment as a power air source, and a vacuum negative pressure suction system as vacuum suction power when the feeding mechanism 506 and the carrying mechanism 502 suck the collecting sheet; the man-machine interaction control assembly adopts the current intelligent programmable intelligent control computer, and is also the control equipment commonly used in the current intelligent mechanical equipment.

Referring to fig. 1, 2, and 4, in order to successfully transfer the battery cell from the previous kneading and flattening process to the current collecting plate welding process, a battery cell feeding mechanism 3 is further installed at the feeding end of the conveying mechanism on one side of the mounting table 1; meanwhile, in order to cooperate with the transfer mechanism 4 to smoothly transfer the battery cell from the battery cell feeding mechanism 3 to two battery cell fixing stations on the feeding tray assembly 207, the tail end of the battery cell feeding mechanism 3 and the feeding end of the conveying mechanism are designed to be overlapped in a horizontal direction, the overlapped and staggered width is consistent with the width of one feeding tray assembly 207, and the transfer mechanism 4 is installed at one side position of the overlapped and staggered part of the battery cell feeding mechanism 3 and the conveying mechanism.

Because the cell feeding mechanism 3 adopts belt type conveying, the cell clamping and supporting gap on the conveying belt is smaller than that of two cell fixing stations on the feeding tray assembly 207, and in order to put two cells on the two cell fixing stations of the feeding tray assembly 207 at one time to improve the cell transferring efficiency and speed, a double-station transferring mechanism 4 is designed.

Referring to fig. 3, the transfer mechanism 4 is composed of a vertical frame a401, a cylinder driving traverse component 402 installed on the top of the vertical frame a401, and a driving clamping mechanism vertically installed on a moving slider of the cylinder driving traverse component 402; the cylinder driving transverse moving assembly 402 is composed of a slide rail frame transversely installed at the top of the vertical frame a401, a moving slide block slidably installed with the slide rail frame, and a transverse moving driving cylinder installed at the end of the slide rail frame and fixedly connected with the moving slide block, and is mainly used for driving the clamping mechanism to move back and forth between the battery cell feeding mechanism 3 and the transmission mechanism 2, and various actions of the clamping mechanism are driven in a matching manner, so that the transfer of the battery cell is completed.

Referring to fig. 3, the driving clamping mechanism includes a mounting block a403, a width adjusting cylinder 404 transversely installed at the middle of one side of the mounting block a403, two height adjusting cylinders 405, and two pneumatic parallel clamps a406; the height of the two height adjusting cylinders 405 is consistent in the horizontal direction, one height adjusting cylinder 405 is mounted on a telescopic arm of the width adjusting cylinder 404 through a support, the other height adjusting cylinder 405 is mounted on the side face of the mounting block a403, the two height adjusting cylinders 405 and the two pneumatic parallel clamps a406 are synchronously controlled, and the driving clamping mechanism is mainly used for clamping a battery cell and completing battery cell arrangement on double stations.

In the process of transferring a battery cell from the battery cell conveying mechanism to the feeding tray assembly 207, the two height adjusting cylinders 405 drive the pneumatic parallel clamps a406 to move downwards, after the battery cell is clamped by the pneumatic parallel clamps a406, the two height adjusting cylinders 405 drive the pneumatic parallel clamps a406 to lift, in the process, the width adjusting cylinders 404 work to pull the distance between the two pneumatic parallel clamps a406 open until the distance corresponds to the two battery cell fixing stations on the feeding tray assembly 207 in the up-down direction, in the process of lifting the pneumatic parallel clamps a406, the cylinders drive the transverse moving assembly 402 to synchronously work, the height adjusting cylinders 405, the pneumatic parallel clamps a406 and the battery cells clamped thereon are synchronously pushed towards the feeding tray assembly 207, when the battery cell positions correspond to the battery cell fixing stations on the feeding tray assembly 207, the height adjusting cylinders 405 drive the pneumatic parallel clamps a406 to move downwards, the pneumatic parallel clamps a406 move downwards after the pneumatic parallel clamps a406 move downwards, the pneumatic parallel clamps a406 move downwards after moving downwards to the predetermined positions, the battery cells are successfully transferred to the feeding tray assembly 207, and then the height adjusting cylinders, the width adjusting cylinders 404, the pneumatic parallel clamps a406 and the pneumatic parallel clamps a disc assembly 406 move upwards repeatedly, and the battery cells are repeatedly, so that the battery cells are transferred to and the battery cell is returned to the feeding tray assembly 207.

Referring to fig. 1, 2, 16, 17, and 18, in order to realize that a feeding chain formed by a plurality of feeding tray assemblies 207 can normally realize circular movement in a horizontal direction and provide convenience for later-stage operators to overhaul, replace, and the like the feeding tray assemblies 207, the linkage driving mechanism includes a transverse pushing cylinder assembly a203, a transverse pushing cylinder assembly b205, a pushing cylinder assembly 204, and a retraction cylinder assembly 206; the transverse pushing cylinder assembly a203 and the transverse pushing cylinder assembly b205 are respectively positioned at two end positions of the conveying platform 201, the moving directions of the transverse pushing cylinder assembly a203 and the transverse pushing cylinder assembly b205 are designed oppositely, the pushing cylinder assembly 204 and the return cylinder assembly 206 are positioned at the diagonal positions of the conveying platform 201, the moving directions of the pushing cylinder assembly 204 and the return cylinder assembly 206 are parallel and opposite, the two positioning slide rails 202 are parallel to each other, and the installation angle is consistent with the moving directions of the pushing cylinder assembly 204 and the return cylinder assembly 206; one of the positioning slide rails 202 is used for sliding positioning when the feeding tray assembly 207 performs forward feeding, the other positioning slide rail 202 is used for sliding positioning when the feeding tray assembly 207 returns to the feeding end of the conveying table 201, wherein the transverse pushing cylinder assembly a203 and the transverse pushing cylinder assembly b205 are mainly responsible for realizing alternate switching of the feeding tray assembly 207 on the two slide rails, the pushing cylinder assembly 204 is mainly responsible for pushing the feeding tray assembly 207 loaded with the electric core towards the tail end of the conveying mechanism 2, so that the electric core sequentially passes through each processing station, and the reversing cylinder assembly 206 is responsible for pushing the empty feeding tray assembly 207 towards the feeding end of the conveying mechanism 2, so that the horizontal circulating movement of the feeding tray assembly 207 is realized.

Referring to fig. 17, in order to facilitate the position transfer of the feeding tray assembly 207 at the two ends of the two positioning slide rails 202, a gap matching with the width of the feeding tray assembly 207 is left between the two ends of the two positioning slide rails 202 and the end of the conveying platform 201; and the two ends of the two positioning slide rails 202 and the inner sides of the two ends of the conveying platform 201 are respectively provided with a supporting platform with the height identical to that of the positioning slide rails 202, and the design of the supporting platforms and the design of the equal-width gaps can implement a certain positioning effect on the feeding tray assembly 207 and ensure that the feeding tray assembly 207 is more stable and smooth in the transverse moving process.

Referring to fig. 11, the feeding tray assembly 207 includes a base 271, the base 271 is slidably mounted on the positioning slide rail 202 through a limiting slide block 272 mounted at the bottom; two groups of battery cell brackets 273 are arranged at the top of the base 271 to form two battery cell fixing stations; in order to fix the battery cells with the same thickness but different lengths on the battery cell fixing station of the feeding tray assembly 207, a position-adjustable battery cell end positioning block 275 is mounted at one end of each group of battery cell bracket 273 close to the conveying table 201; in order to realize automatic loading and positioning of the current collecting plates, an arc-shaped current collecting plate positioning clamping plate 274 is installed at the other end of each group of battery cell bracket 273, and a clamping groove with a closed bottom end is formed between the current collecting plate positioning clamping plate 274 and the end part of the battery cell and used for clamping the current collecting plates.

Referring to fig. 5, in order to realize double-station uninterrupted automatic feeding and ensure that the current collecting plates of the positive electrode and the negative electrode of each cell can be smoothly fed to the designated positions of the feeding tray assembly 207, the current collecting plate feeding unit includes a material storing mechanism 501, a carrying mechanism 502, an angle rotating device 503, a waste screening mechanism 504, a material supporting mechanism 505, a feeding mechanism 506, and a material stirring mechanism 507.

In order to realize continuous and uninterrupted automatic feeding of the collecting piece and provide sufficient time for workers to supplement collecting piece stock.

Referring to fig. 6 and 7, the material storage mechanism 501 is mounted on the mounting platform 1 and is used for storing and supplying electrode current collector materials to the feeding mechanism 506; the material storage mechanism 501 comprises a main mounting plate 511, wherein four material storage tanks 512 are vertically arranged on one surface of the main mounting plate 511, the material storage tanks 512 and the main mounting plate 511 can be designed into a quick-release connecting structure according to requirements, and two material storage tanks 512 form a group from left to right; a feeding motor 513 is respectively installed on the main installation plate 511 at the bottom of each group of storage tanks 512, and a group of conveyor belt assemblies are vertically installed on the back of the main installation plate 511 corresponding to the positions between each group of storage tanks 512; the feeding motor 513 is in transmission connection with the conveyor belt assemblies, a guide sliding rail 516 is further mounted on the main mounting plate 511 on one side of each group of conveyor belt assemblies, a fixing clamp 515 fixed with a driving belt 514 in the conveyor belt assemblies is slidably mounted on the guide sliding rail 516, and a material pushing frame 517 is mounted on the fixing clamp 515.

A moving hole is reserved in the position, moving up and down, of the main mounting plate 511 along the material ejecting frame 517; an opening for the front end of the material ejecting frame 517 to extend into the material storage tank 512 and move up and down in the material storage tank 512 is formed in the tank wall of the material storage tank 512, and in order to detect the material storage condition in the material storage tank 512, a material detecting sensor is mounted on the material ejecting frame 517 in the material storage tank 512; in feeding, the feeding motor 513 drives the conveyor belt assembly to move, so that the fixing clamp 515 drives the material pushing frame 517 to lift, the position of the inner side of the material storage tank 512 close to the top end is always provided with a current collecting piece, the current collecting piece in the material storage tank 512 is gradually transferred to the rotating device by the subsequent carrying mechanism 502 conveniently, the arrangement of the guide sliding rail 516 limits the up-and-down movement of the fixing clamp 515, and the fixing clamp 515 is ensured to drive the material pushing frame 517 to keep vertical movement.

Referring to fig. 7, the storing mechanism 501 further includes a traverse driving assembly 518, and the traverse driving assembly 518 is composed of a base 5181 installed at the bottom of the mounting table 1 and a pushing driving mechanism 5182 installed on the base 5181; the sliding unit on the pushing driving mechanism 5182 is fixedly mounted with the main mounting plate 511 by using the bearing plate as a carrier, a through hole for the transverse movement of the mounting plate is formed in the position of the storage mechanism 501 on the mounting table 1, and the transverse movement driving assembly 518 mainly has the function of immediately conveying the other storage tank 512 to the loading position after the current collecting piece in one storage tank 512 is used up, so that uninterrupted feeding is realized, and meanwhile, sufficient time is provided for the worker to supplement the current collecting piece.

In this embodiment, the pushing driving mechanism 5182 is a screw transmission device commonly used in the machine tool at present.

The pushing driving mechanism 5182 may be driven by a telescopic cylinder or a rodless cylinder according to actual conditions.

In order to meet the requirement that the carrying mechanism 502 completes carrying and transferring of materials in the linear reciprocating motion, please refer to fig. 5, an angle rotating device 503 and a waste screening mechanism 504 are arranged side by side in the longitudinal direction and are positioned at one side of the carrying mechanism 502, a material supporting mechanism 505 and a feeding mechanism 506 are designed side by side in the transverse direction, and the material supporting mechanism 505, the angle rotating device 503 and the waste screening mechanism 504 are positioned on the longitudinal axis of the moving path of the carrying mechanism 502; the kick-out mechanism 507 is installed at an intermediate position of the conveyance table 201.

Referring to fig. 8, the carrying mechanism 502 includes a rodless cylinder sliding driving assembly 521 mounted on the mounting table 1; a lifting cylinder a522 is vertically arranged on a sliding block of the rodless cylinder sliding driving assembly 521 through a support, and an E-shaped frame 523 is horizontally arranged at the top end of the lifting cylinder a 522; the bottom ends of the three branches of the E-shaped frame 523 are provided with two vacuum suction nozzles 524 corresponding to the same group of storage troughs 512, and a suction channel for communicating the two vacuum suction nozzles 524 is arranged in each branch of the E-shaped frame 523; and one end of each suction channel is provided with a vacuum fitting mounting hole 525.

When materials are conveyed, the lifting cylinder a522 synchronously works to drive the E-shaped frame 523 to move up and down while the rodless cylinder sliding driving assembly 521 drives the lifting cylinder a522 to move back and forth, so that two vacuum suction nozzles 524 on each branch of the E-shaped frame 523 respectively adsorb one collecting piece, and the intermittent opening and closing control of an air passage is realized by matching with the control unit in the vacuum system along with the transverse movement of the rodless cylinder sliding driving assembly 521 and the lifting operation of the lifting cylinder a522, so that the alternate transfer action of the collecting pieces is realized, and the collecting pieces are gradually transferred from the storage tank 512 to the angle rotating device 503, the waste screening mechanism 504 and the material supporting mechanism 505.

Because the current collecting plate of the cylindrical battery is circular, and in order not to influence the subsequent welding action, the current collecting plate positioning clamping plate 274 is generally designed into an arc shape, so that only a small part of the edge of the current collecting plate positioning clamping plate 274 can clamp the current collecting plate, the whole current collecting plate cannot be effectively fixed, and the stable and effective current collecting plate stripping action cannot be realized by means of clamping and limiting of the small part; to solve this problem, we have devised a device for assisting the stripping of the collector from the feed mechanism 506, in particular.

Referring to fig. 5 and 11, the material ejecting mechanism 507 includes a stand c571 and a material ejecting cylinder 572 horizontally disposed on the top of the stand c 571; a material stirring sheet 574 is arranged on a telescopic arm of the material stirring cylinder 572 through a connecting arm 573, the material stirring sheet 574 is positioned at a gap between two electric core fixing stations in the feeding tray assembly 207, and the material stirring sheet 574 is designed to be in an inverted T-shaped structure; in the feeding process, when the current collecting sheet is clamped into the clamping groove formed by the current collecting sheet positioning clamping plate 274, the material shifting cylinder 572 retracts, two current collecting sheets are respectively pressed by two ends of the material shifting sheet 574, the current collecting sheets are separated from the feeding mechanism 506, and the material shifting cylinder 572 restores to the original position after the current collecting sheets are separated, so as to wait for the next material shifting action.

Because the conveying mechanism 502 adopts translation conveying, the conveying mechanism does not have the function of adjusting the angle of the collecting piece, and because of the particularity of the structure of the collecting piece, the collecting piece in the storage mechanism 501 can only be stored in a specific direction, if the angle of the collecting piece is not adjusted in the conveying and transferring process, the collecting piece cannot be matched with a feeding device to complete the final feeding operation, and in order to solve the problem, an angle rotating device 503 is arranged between the storage mechanism 501 and the waste screening mechanism 504 and used for adjusting the angle of the collecting piece.

Specifically, referring to fig. 5, the angle rotating device 503 comprises a base platform and a rotating cylinder installed on the base platform, wherein a current collecting sheet temporary placing table with a current collecting sheet positioning pin is horizontally installed on a rotating shaft of the rotating cylinder, the current collecting sheet temporary placing table is mainly used for temporarily placing a current collecting sheet, the current collecting sheet on the current collecting sheet temporary placing table is rotated by rotating the current collecting sheet temporary placing table to realize angle adjustment, and a visual detection device is also installed on the top of the base platform, and is a conventional industrial visual detection sensor device, and is mainly used for detecting the angle of the current collecting sheet;

in order to further ensure the correct angle of the current collecting piece, guarantee is provided for the feeding of the subsequent current collecting piece; referring to fig. 9, the waste screening mechanism 504 includes a stand b541, and a collecting box 542 disposed at one side of the stand b 541; a rotary cylinder a543 is mounted in the middle of the vertical frame b541, a material carrying plate 544 is horizontally mounted on an output rotating shaft of the rotary cylinder a543, and two sets of current collecting plate positioning piles are arranged on the material carrying plate 544; a visual scanning probe 545 is respectively arranged at the position, corresponding to each group of current collecting piece positioning piles, of the top end of the vertical frame b 541; the angle of the current collecting piece is detected by the visual scanning probe 545, once the angle does not reach a preset position, the air cylinder a543 is rotated to drive the material carrying plate 544 to rotate, so that the current collecting piece arranged on the material carrying plate falls into the collecting box 542 below.

Referring to fig. 10, the material supporting mechanism 505 includes a material supporting cylinder 552 mounted on the mounting table 1 through a supporting block 551; the material supporting table 553 is horizontally installed at the top end of the material supporting cylinder 552, and during feeding, the material supporting cylinder 552 extends to support the material supporting table 553, so that the collecting sheet conveyed to the material supporting table 553 by the conveying mechanism 502 is smoothly contacted with the two material taking suction nozzles 568 on the double-cross hollow frame 567 in the feeding mechanism 506, and the feeding mechanism 506 finishes suction and transfer.

Referring to fig. 10, the feeding mechanism 506 includes a displacement cylinder a562 transversely fixed on the mounting table 1 through a mounting block b561, the displacement cylinder a562 is mainly used for moving the whole mechanism closer to or away from the direction of the transport mechanism 2 in the horizontal direction during feeding, so that the current collecting plate can be smoothly located at a corresponding position, a displacement cylinder b563 is vertically mounted on a telescopic arm of the displacement cylinder a562 through a bracket, and a displacement cylinder b563 is used for adjusting the vertical height of the feeding mechanism 506, so that the feeding mechanism 506 can adapt to the feeding operation of battery cells of different specifications, a mounting stand 564 is vertically mounted on the telescopic arm of the displacement cylinder b563, and a driving motor 565 and a multi-channel rotary joint 566 are mounted on one side of the mounting stand 564; the rotary joint end of the multi-channel rotary joint 566 is rotatably mounted with the mounting vertical frame 564 through a bearing; the rotary joint of the multi-channel rotary joint 566 is in transmission connection with the driving motor 565; and after one end of the rotary joint extends to the other side of the mounting vertical plate 611, a double-cross hollow frame 567 is also mounted on the rotary joint; the four arm ends of the cross hollow rack are each provided with a material taking suction nozzle 568.

The double cross hollow frame 567 is internally provided with a channel which corresponds to and is communicated with the internal air passage at the output end of the multi-channel rotating joint 566, the channel is communicated with each material taking suction nozzle 568, and the multi-channel rotating joint 566 is adopted as a vacuum suction air channel switching mechanism, so that the double cross hollow frame 567 can rotate without obstructing the normal work of the material taking suction nozzles 568 thereon.

An electronic counting sensor 569 is mounted at the top end of the mounting stand 564 corresponding to the position of the double cross hollow frame 567 for counting the aggregate pieces.

Referring to fig. 12 and 13, the laser welding mechanism is composed of a current collector fixing and laser triggering assembly 601 and a laser welding unit 602; wherein the collector fixing and laser triggering assembly 601 is mounted on the delivery platform 201 and is linearly opposite to the laser welding unit 602.

In order to improve the stability of the laser welding processing of the current collecting piece and avoid welding errors caused by welding spot offset and/or welding spot shaking, a laser welding trigger mechanism is arranged on the current collecting piece fixing part which is not in contact with the laser welding unit 602 at all, so that the phenomenon that the laser welding unit 602 slightly shakes due to the fixing action of the current collecting piece is avoided.

Referring to fig. 12, the current collecting plate fixing and laser triggering assembly 601 includes a vertical plate 611 and a fixing seat 613 installed on the conveying platform 201 and respectively located at two ends of the feeding tray assembly 207, a horizontally designed electrical core positioning cylinder 612 is installed at a position where the top end of the vertical plate 611 corresponds to two electrical core fixing stations on the feeding tray assembly, a telescopic end of the electrical core positioning cylinder 612 is provided with a pressure sensor for providing an on-off signal for a laser welding host assembly 625, and the pressure sensor is in signal connection with a control mechanism in the laser welding unit 602; a current collecting piece forward-pushing driving cylinder 614 is horizontally installed at the top of the fixed seat 613, two current collecting piece pushing blocks 616 corresponding to the battery cell fixing station are installed at the telescopic ends of the current collecting piece forward-pushing driving cylinder 614 through a carrier 615, and through holes 617 convenient for laser welding are preset in the current collecting piece pushing blocks 616.

Referring to fig. 13, the laser welding unit 602 includes a slide base 621 installed on the installation table 1, the slide base 621 is provided with a positioning slide rod 622 and a rotating screw rod, the positioning slide rod 622 is slidably installed with a slide table connected with the rotating screw rod 623 through a screw rod, the top of the slide table is vertically installed with an installation arm 624, the side surface of the installation arm 624 is installed with a laser welding host assembly 625, and the laser generating end of the laser welding host assembly 625 is installed with a laser emitting head 626; positioning bolts are screwed on the sliding table, wherein the sliding table base 621 is matched with the positioning sliding rod 622, the rotating screw rod, the sliding table and the positioning bolts, so that the front and back positions of the laser welding unit 602 are adjustable.

When pay-off tray subassembly 207 removed welding mechanism position department, two electric core location cylinders 612 extend, the mass flow piece pushes away actuating cylinder 614 forward and drives mass flow piece ejector pad 616 antedisplacement, finally produce the centre gripping effect to the electric core, and the mass flow piece is hugged closely with the electric core tip this moment equally, electric core location cylinder 612 pushes away actuating cylinder 614 forward with the mass flow piece and forms the clamping-force to the electric core in, the pressure sensor of the front end of electric core location cylinder 612 produces the signal, laser welding host assembly 625 receives and starts after the signal, accomplish the laser welding action.

Referring to fig. 15, the cell turning mechanism 7 includes a gantry 701 installed on the conveying table 201; a lifting cylinder b702 is vertically installed at the position, above the feeding tray assembly 207, of the gantry 701, a rotary cylinder b703 is horizontally installed at the telescopic end of the lifting cylinder b702, an installation disc 704 is horizontally installed at the rotating shaft of the rotary cylinder, and vertical pneumatic parallel clamps b705 are respectively installed at the bottoms of the two ends of the installation disc 704.

When the cell which completes welding processing of the negative current collector passes through the cell transferring mechanism 7, the lifting cylinder b702 drives the rotating cylinder b703 and the pneumatic parallel clamp b705 to move downwards, after the cell is clamped by the pneumatic parallel clamp b705, the lifting cylinder b702 contracts to lift the pneumatic parallel clamp b705, meanwhile, the rotating cylinder b703 rotates to enable the two pneumatic parallel clamps b705 to transfer positions and simultaneously transfer directions together with the clamped cell, and then the lifting cylinder b702 drives the pneumatic parallel clamp b705 to move downwards to enable the cell to fall into the cell fixing station again, so that a cell transferring action is completed.

In order to facilitate subsequent battery cell insertion shell machining, welding cover operation and the like, a part of the current collecting piece protruding out of the battery cell needs to be folded, and therefore a device capable of being suitable for completing the folding machining of the current collecting piece in the horizontal conveying process of the battery cell is designed.

Specifically, referring to fig. 14, the sheet collecting and folding mechanism 10 includes a vertical frame d101 and a mounting base 102 that are located at two ends of the feeding tray assembly 207 and are fixedly mounted on the conveying platform 201, a pushing cylinder a103 is horizontally mounted at a position corresponding to two cell fixing stations on the top of the vertical frame d101, a rear clamping block 104 is mounted at a telescopic end of the two pushing cylinders a103, a horizontally arranged sheet collecting front pushing cylinder 105 is further mounted on the vertical frame d101 between the two pushing cylinders a103, and a sheet collecting folding push plate 106 is mounted at a front end of the sheet collecting front pushing cylinder 105 through a push rod.

A horizontally arranged propulsion cylinder b107 is installed on the mounting seat 102, and a front clamping block 108 and a current collecting plate pressing cylinder 109 are respectively installed on the telescopic end of the propulsion cylinder b107 and the cylinder body.

When the current collecting piece is folded, the pushing cylinder a103 and the pushing cylinder b107 are firstly extended to enable the rear clamping block 104 and the front clamping block 108 to clamp and fix the battery cell, then the current collecting piece forward pushing cylinder 105 drives the current collecting piece folding push plate 106 to move forward, the current collecting piece part protruding to the outer side of the battery cell moves towards the end part of the battery cell, the current collecting piece forward pushing cylinder 105 resets after the current collecting piece is bent, and then the current collecting piece pressing cylinder 109 drives the press block to completely press the bent current collecting piece part to be 90 degrees with the end part of the battery cell, so that the folding operation of the current collecting piece is completed.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a full-automatic welding machine of full utmost point ear cylinder battery current collector which characterized in that: the device comprises an installation table, a transmission mechanism, a transfer mechanism with double stations, two current collecting piece feeding units with double stations and the same structure, two laser welding mechanisms with the same structure, a battery cell turning mechanism with double stations and a current collecting piece folding mechanism; the two current collecting piece feeding units and the two laser welding mechanisms are distinguished by the negative current collecting piece feeding unit, the positive current collecting piece feeding unit, the first laser welding mechanism and the second laser welding mechanism respectively; the conveying mechanism is arranged in the middle of the mounting table along the length direction of the mounting table, and the transfer mechanism, the negative current collecting piece feeding unit, the first laser welding mechanism, the electric core turning mechanism, the positive current collecting piece feeding unit, the second laser welding mechanism and the current collecting folding mechanism are sequentially arranged on the same side of the conveying mechanism in sequence along the feeding moving direction of the conveying mechanism; the conveying mechanism comprises a conveying table and two positioning slide rails arranged at the top of the conveying table, a plurality of feeding tray assemblies with double stations are slidably arranged on the two positioning slide rails, and a linkage driving mechanism used for driving the feeding tray assemblies to move is further arranged on the conveying table.

2. The full-automatic welding machine for the full-lug cylindrical battery collector plate according to claim 1, is characterized in that: a battery cell feeding mechanism is further mounted at the feeding end of the conveying mechanism on one side of the mounting table; the tail end of the battery cell feeding mechanism and the feeding end of the conveying mechanism are designed to be overlapped in a horizontal direction, the width of the overlapped and staggered part is consistent with the width of one feeding tray component, and the transfer mechanism is arranged at one side of the overlapped and staggered part of the battery cell feeding mechanism and the conveying mechanism; the transfer mechanism consists of a vertical frame a, a cylinder driving transverse moving assembly arranged at the top of the vertical frame a, and a driving clamping mechanism vertically arranged on a moving slide block of the cylinder driving transverse moving assembly; the cylinder driving transverse moving assembly consists of a sliding rail frame transversely arranged at the top of the vertical frame a, a moving slide block arranged with the sliding rail frame in a sliding way, and a transverse moving driving cylinder arranged at the end part of the sliding rail frame and fixedly connected with the moving slide block; the driving clamping mechanism comprises a mounting block a, a width adjusting cylinder transversely mounted in the middle of one side of the mounting block a, two height adjusting cylinders and two pneumatic parallel clamps a; the two height adjusting cylinders are consistent in height in the horizontal direction, one height adjusting cylinder is mounted on a telescopic arm of the width adjusting cylinder through a support, and the other height adjusting cylinder is mounted on the side face of the mounting block a.

3. The full-automatic welding machine for the full-lug cylindrical battery collector plate according to claim 1, is characterized in that: the linkage driving mechanism comprises a transverse pushing cylinder component a, a transverse pushing cylinder component b, a material pushing cylinder component and a back-shifting cylinder component; the transverse pushing cylinder assembly a and the transverse pushing cylinder assembly b are respectively positioned at two end positions of the conveying table, the moving directions of the transverse pushing cylinder assembly a and the transverse pushing cylinder assembly b are designed oppositely, the pushing cylinder assembly and the back-shifting cylinder assembly are positioned at the diagonal positions of the conveying table, and the moving directions of the pushing cylinder assembly and the back-shifting cylinder assembly are parallel and opposite; the two positioning slide rails are parallel to each other, and the installation angle is consistent with the movement direction of the material pushing cylinder assembly and the back shifting cylinder assembly; gaps matched with the width of the feeding tray assembly are reserved between the two ends of the two positioning slide rails and the end part of the conveying table; and a supporting platform with the height consistent with that of the positioning slide rail is arranged between the two ends of the two positioning slide rails and on the inner sides of the two ends of the conveying platform; the feeding tray assembly comprises a base, and the base is slidably mounted on the positioning slide rail through a limiting slide block mounted at the bottom; two groups of battery cell brackets are arranged at the top of the base to form two battery cell fixing stations; one end of each group of the battery cell bracket close to the conveying table is provided with a battery cell end positioning block with an adjustable position; and the other end of each group of the battery cell bracket is provided with an arc-shaped current collector positioning clamping plate.

4. The full-automatic welding machine for the full-lug cylindrical battery collector plate according to claim 1, is characterized in that: the collecting piece feeding unit comprises a material storage mechanism, a carrying mechanism, an angle rotating device, a waste screening mechanism, a material supporting mechanism, a feeding mechanism and a material stirring mechanism; the storage mechanism is arranged on the mounting table and used for storing and providing electrode current collecting piece materials to the feeding mechanism; the storage mechanism comprises a main mounting plate, wherein four storage tanks are vertically arranged on one surface of the main mounting plate, and two storage tanks form a group from left to right; a feeding motor is respectively arranged on the main mounting plate at the bottom of each group of storage tanks, and a group of conveyor belt assemblies are vertically arranged on the back of the main mounting plate corresponding to the positions among the storage tanks; the feeding motor is in transmission connection with the conveyor belt assemblies, a guide slide rail is further mounted on the main mounting plate on one side of each conveyor belt assembly, a fixing clamp fixed with a transmission belt in the conveyor belt assembly is slidably mounted on the guide slide rail, and a material pushing frame is mounted on the fixing clamp; a moving hole is reserved in the position, moving up and down, of the main mounting plate along the material ejecting frame; the wall of the storage tank is provided with an opening for the front end of the material pushing frame to extend into the storage tank and move up and down in the storage tank; the material storage mechanism also comprises a transverse moving driving assembly, and the transverse moving driving assembly consists of a base arranged at the bottom of the mounting table and a pushing driving mechanism arranged on the base; the sliding unit on the pushing driving mechanism is fixedly installed together with the main installation plate by taking the bearing plate as a carrier, and a through hole for the transverse movement of the material storage mechanism is formed in the position, located on the installation table, of the material storage mechanism.

5. The full-automatic welding machine for the full-lug cylindrical battery collector plate according to claim 4, is characterized in that: the angle rotating device and the waste screening mechanism are longitudinally arranged side by side and are positioned on one side of the carrying mechanism, the material supporting mechanism and the feeding mechanism are transversely designed side by side, and the material supporting mechanism, the angle rotating device and the waste screening mechanism are positioned on the longitudinal axis of the moving path of the carrying mechanism; the material shifting mechanism is arranged in the middle of the conveying table; the carrying mechanism comprises a rodless cylinder sliding driving assembly arranged on the mounting table; a lifting cylinder a is vertically arranged on a sliding block of the rodless cylinder sliding driving assembly through a support, and an E-shaped frame is horizontally arranged at the top end of the lifting cylinder a; the bottom ends of the three branches of the E-shaped frame are provided with two vacuum suction nozzles corresponding to the same group of material storage tanks, and a suction channel for communicating the two vacuum suction nozzles is arranged in each branch of the E-shaped frame; one end of each suction channel is provided with a vacuum-pumping joint mounting hole; the material shifting mechanism comprises a vertical frame c and a material shifting cylinder which is arranged at the top of the vertical frame c in a horizontal mode; the material stirring cylinder is characterized in that a material stirring sheet is installed on a telescopic arm of the material stirring cylinder through a connecting arm, the material stirring sheet is located in a gap between two electric core fixing stations in the feeding tray assembly, and the material stirring sheet is in an inverted T-shaped structural design.

6. The full-automatic welding machine for the full-lug cylindrical battery collector plate according to claim 5, is characterized in that: the angle rotating device consists of a base platform and a rotating cylinder arranged on the base platform, a current collecting piece temporary placing platform is horizontally arranged on a rotating shaft of the rotating cylinder, and a visual detection device is also arranged at the top of the base platform; the waste screening mechanism comprises a vertical frame b and a collecting box arranged on one side of the vertical frame b; a rotary cylinder a is installed in the middle of the vertical frame b, a material carrying plate is horizontally installed on an output rotating shaft of the rotary cylinder a, and two groups of current collecting piece positioning piles are arranged on the material carrying plate; and a visual scanning probe is arranged at the position, corresponding to each group of the current collecting piece positioning piles, of the top end of the stand b.

7. The full-automatic welding machine for the full-lug cylindrical battery collector plate according to claim 4, is characterized in that: the material supporting mechanism comprises a material supporting cylinder which is arranged on the mounting table through a supporting block; the top end of the material supporting cylinder is horizontally provided with a material supporting platform; the feeding mechanism comprises a displacement cylinder a transversely fixed on the mounting table through a mounting block b, the displacement cylinder b is vertically mounted on a telescopic arm of the displacement cylinder a through a support, a mounting vertical frame is vertically mounted on the telescopic arm of the displacement cylinder b, and a driving motor and a multi-channel rotating joint are mounted on one side of the mounting vertical frame; the rotary joint end of the multi-channel rotary joint and the installation vertical frame are rotatably installed through a bearing; the rotary joint of the multi-channel rotary joint is in transmission connection with the driving motor; and one end of the rotary joint extends to the other side of the mounting vertical plate, and a double-cross hollow frame is also mounted on the rotary joint; the four support arm end parts of the cross hollow frame are respectively provided with a material taking suction nozzle; a channel corresponding to and communicated with the internal air passage at the output end of the multi-channel rotary joint is arranged in the double-cross hollow frame and is communicated with each material taking suction nozzle; and an electronic counting sensor is arranged at the position, corresponding to the double-cross hollow frame, of the top end of the mounting vertical frame.

8. The full-automatic welding machine for the full-lug cylindrical battery collector plate according to claim 1, is characterized in that: the laser welding mechanism consists of a collector fixing and laser triggering assembly and a laser welding unit; wherein the collector fixing and laser triggering assembly is arranged on the conveying table and is linearly opposite to the laser welding unit; the current collecting piece fixing and laser triggering assembly comprises a vertical plate and a fixed seat which are arranged on the conveying platform and are respectively positioned at two ends of the feeding tray assembly, a horizontally designed battery cell positioning cylinder is respectively arranged at the top end of the vertical plate corresponding to two battery cell fixing stations on the feeding tray assembly, a pressure sensor is arranged at the telescopic end of the battery cell positioning cylinder, and the pressure sensor is in signal connection with a control mechanism in the laser welding unit; a current collector forward-pushing driving cylinder is horizontally installed at the top of the fixed seat, two current collector pushing blocks corresponding to the electric core fixing station are installed at the telescopic end of the current collector forward-pushing driving cylinder through a carrier, and through holes convenient for laser welding are preset in the current collector pushing blocks; the laser welding unit comprises a sliding table seat arranged on the mounting table, a positioning sliding rod and a rotary lead screw are arranged on the sliding table seat, a sliding table connected with the rotary lead screw through a lead screw is arranged on the positioning sliding rod in a sliding mode, a mounting arm is vertically arranged at the top of the sliding table, a laser welding host assembly is arranged on the side face of the mounting arm, and a laser emitting head is arranged at a laser generating end of the laser welding host assembly; and a positioning bolt is screwed on the sliding table.

9. The full-automatic welding machine for the full-lug cylindrical battery collector plate according to claim 1, is characterized in that: the battery cell turning mechanism comprises a portal frame arranged on the conveying table; a lifting cylinder b is vertically arranged at the position of the portal frame above the feeding tray component, a rotary cylinder b is horizontally arranged at the telescopic end of the lifting cylinder b, an installation disc is horizontally arranged on a rotating shaft of the rotary cylinder, and vertical pneumatic parallel clamps b are respectively arranged at the bottoms of two ends of the installation disc; the sheet collecting folding mechanism comprises a vertical frame d and a mounting seat, the vertical frame d and the mounting seat are positioned at two ends of the feeding tray assembly and fixedly mounted with the conveying table, a propulsion cylinder a is horizontally mounted at the position, corresponding to the two battery cell fixing stations, of the top of the vertical frame d, a rear clamping block is mounted at the telescopic end of each propulsion cylinder a, a horizontally-arranged sheet collecting front propulsion cylinder is further mounted on the vertical frame d between the two propulsion cylinders a, and a sheet collecting folding push plate is mounted at the front end of the sheet collecting front propulsion cylinder through a push rod; the mounting seat is provided with a horizontally arranged propelling cylinder b, and the telescopic end of the propelling cylinder and the cylinder body are respectively provided with a front clamping block and a current collecting sheet downward-pressing cylinder.

10. The full-automatic welding machine for the full-lug cylindrical battery collector plate according to claim 1, is characterized in that: the dust cover is arranged at the top of the mounting table; and a frame at the bottom of the mounting table; wherein the dustproof cover is provided with a human-computer interaction control assembly; and an air source system for providing power for each cylinder part and a vacuum system for providing vacuum negative pressure suction for taking materials by the feeding mechanism and the carrying mechanism are also arranged in the frame.