CN112122945A

CN112122945A - Automatic positioning type lithium battery welding and assembling device

Info

Publication number: CN112122945A
Application number: CN202011033854.1A
Authority: CN
Inventors: 张跃理
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2020-12-25

Abstract

The invention relates to the field of lithium batteries, in particular to an automatic positioning type lithium battery welding and assembling device. The invention aims to provide an automatic positioning type lithium battery welding and assembling device. The technical scheme is as follows: an automatic positioning type lithium battery welding and assembling device comprises a working table plate, support legs, an operation control screen, a positioning and folding mechanism, an edge grinding mechanism and a welding and fixing mechanism; the lower part of the working table plate is welded with the support leg column; an operation control screen is arranged above the worktable plate. The invention realizes the positioning and fixing operation of the cylindrical lithium battery, automatically positions, places and fixes the electrode connecting metal sheet, automatically turns over and cuts off the redundant fragments of the welding iron sheet, automatically polishes sharp corner edges to prevent workers from scratching, and automatically welds the electrode connecting metal sheet and the metal electrode of the lithium battery to be fixedly connected.

Description

Automatic positioning type lithium battery welding and assembling device

Technical Field

The invention relates to the field of lithium batteries, in particular to an automatic positioning type lithium battery welding and assembling device.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

At present, lithium batteries are widely applied to various electronic products, in the prior art, due to the requirement of battery assembly, a plurality of cylindrical lithium batteries are often required to be assembled, the plurality of lithium batteries are required to be welded together by manually adopting a lithium battery electrode connecting metal sheet during the assembly, so that one poles of the plurality of lithium batteries are kept in circuit communication, the electrode connecting metal sheet is mostly rectangular in the welding process, a right-angle side exists and can protrude out of the edge of the battery, the hand part is easy to scratch when the lithium batteries are taken and placed manually, meanwhile, due to the fact that holes do not exist at the position where the electrode connecting metal sheet is connected with the lithium battery electrodes, when the welding connection is carried out, soldering tin is required to be firstly melted and dripped on the lithium battery electrodes, then the metal sheet is pressed on the electrodes, secondary soldering tin melting welding is carried out, the steps are complicated, and meanwhile, the soldering tin on each battery electrode is uneven, the metal sheet cannot be kept horizontal after being welded and fixed, and the subsequent installation of the lithium battery pack is influenced.

In order to solve the problems, an automatic positioning type lithium battery welding and assembling device is provided.

Disclosure of Invention

In order to overcome the requirement of battery assembly in the prior art, a plurality of cylindrical lithium batteries are required to be assembled, the lithium battery electrodes are required to be welded together by manually adopting lithium battery electrode connecting metal sheets during the assembly of the lithium batteries, so that one poles of the lithium batteries are kept in circuit communication, the electrode connecting metal sheets are mostly rectangular in the welding process and have right-angle sides which can protrude out of the edges of the batteries, hands are easy to scratch when the lithium batteries are taken and placed manually, meanwhile, because holes do not exist at the positions where the electrode connecting metal sheets are connected with the lithium battery electrodes, and further, when the welding connection is carried out, soldering tin is required to be melted and dripped on the lithium battery electrodes firstly, then the metal sheets are pressed on the electrodes, secondary soldering tin melting welding is carried out, the steps are complicated, and meanwhile, the concave-convex soldering tin on each battery electrode is uneven, so that the metal sheets cannot be kept horizontal after being welded and fixed, the invention provides an automatic positioning type lithium battery welding and assembling device, which has the defect of influencing the subsequent installation of a lithium battery pack.

The technical scheme is as follows: an automatic positioning type lithium battery welding and assembling device comprises a working table plate, support legs, an operation control screen, a positioning and folding mechanism, an edge grinding mechanism and a welding and fixing mechanism; the lower part of the working table plate is welded with the support leg column; an operation control screen is arranged above the working table plate; the upper part of the working table plate is connected with a positioning and edge folding mechanism; the upper part of the working table plate is connected with an edge grinding mechanism; the upper part of the working table plate is connected with a welding and fixing mechanism; the positioning edge folding mechanism is connected with the edge grinding mechanism; the positioning and edge folding mechanism is connected with the welding and fixing mechanism.

As an improvement of the above scheme, the positioning and edge folding mechanism comprises a power motor, a first rotating shaft rod, a first bevel gear, a first bearing frame plate, a second bevel gear, a first transmission wheel, a first telescopic rotating shaft, a first bearing frame column, a second transmission wheel, a first bearing sleeve plate, a first electric push rod, a first pinion, a second rotating shaft rod, a second bearing frame plate, a third transmission wheel, a third pinion, a third rotating shaft rod, a fourth transmission wheel, a fifth transmission wheel, a fourth rotating shaft rod, a first screw rod, a second bearing frame column, a third bearing frame column, a first limiting slide rod, a fifth rotating shaft rod, a fourth bearing frame column, a second screw rod, a second limiting slide rod, a fifth bearing frame column, a first edge removing mechanism, a second edge removing mechanism and a mounting table column; an output shaft of the power motor is fixedly connected with the first rotating shaft rod; the lower part of the power motor is connected with the mounting table column through bolts; the outer surface of the first rotating shaft rod is fixedly connected with the first bevel gear; the outer surface of the first rotating shaft rod is rotationally connected with the first bearing frame plate; the lower part of the first bearing frame plate is connected with the mounting table column; the first bevel gear is meshed with the second bevel gear; the second bevel gear is in rotary connection with the first bearing frame plate; the second bevel gear core is fixedly connected with the first driving wheel; the first rotating shaft rod is fixedly connected with the first telescopic rotating shaft; the outer surface of the first telescopic rotating shaft is rotatably connected with the first bearing frame column; the lower part of the first bearing frame column is connected with the mounting table column; the outer surface of the first telescopic rotating shaft is fixedly connected with a second driving wheel; the outer surface of the first telescopic rotating shaft is rotatably connected with the first bearing sleeve plate; the first bearing sleeve plate is inserted with the first electric push rod; the first electric push rod is connected with the first bearing frame column; the first telescopic rotating shaft is fixedly connected with the first flat gear; the upper part of the first flat gear is meshed with the second flat gear; the axle center of the second flat gear is fixedly connected with the second rotating shaft rod; the outer surface of the second rotating shaft rod is rotatably connected with the second bearing frame plate; the second rotating shaft rod is fixedly connected with a third driving wheel; the second bearing frame plate is rotationally connected with the third rotating shaft rod; one side of the third rotating shaft rod is fixedly connected with the third flat gear, and the other side of the third rotating shaft rod is fixedly connected with the fourth driving wheel; the outer ring surface of the fourth driving wheel is in transmission connection with the fifth driving wheel through a belt; the axle center of the fifth driving wheel is fixedly connected with the fourth rotating shaft rod; the fourth rotating shaft rod is rotationally connected with the second bearing frame plate; the fourth rotating shaft rod is fixedly connected with the first screw rod; the first screw rod is rotationally connected with the second bearing frame column; the first screw rod is rotationally connected with the third bearing frame column; the third bearing frame column is inserted with the first limiting slide bar; the first limiting slide bar is spliced with the second bearing frame column; the first screw rod is fixedly connected with the fifth rotating shaft rod; the fifth rotating shaft rod is fixedly connected with the second screw rod; the second screw rod is rotatably connected with the fourth bearing frame column; the fourth bearing frame column is inserted with the second limiting slide rod; the second limiting slide bar is inserted with the fifth bearing frame column; the fifth bearing frame column is rotationally connected with the second screw rod; the outer surface of the second screw rod is in sliding connection with the first trimming mechanism; the inner side of the first trimming mechanism is in sliding connection with the second limiting slide rod; the first screw rod is connected with the second trimming mechanism in a sliding manner; the second trimming mechanism is in sliding connection with the first limiting slide rod; the lower part of the mounting table column is connected with the working table plate; the lower part of the second bearing frame plate is connected with the working table plate; the lower part of the second bearing frame column is connected with the working table plate; the lower part of the third bearing frame column is connected with the working table plate; the lower part of the fourth bearing frame column is connected with the working table plate; the lower part of the fifth bearing frame column is connected with the working table plate; the first driving wheel is connected with the edge grinding mechanism; the third driving wheel is connected with the welding and fixing mechanism; the second driving wheel is connected with the welding and fixing mechanism.

As an improvement of the above scheme, the edge grinding mechanism comprises a collection mounting plate, a battery fixing frame, a first lifting platform, a second electric push rod, a first electric rotating shaft, a first arc-shaped clamp, a first bearing seat, a torsion spring rotating shaft sleeve, a first huge gear, a first half gear, a sixth rotating shaft rod, a sixth driving wheel, a seventh driving wheel, an eighth driving wheel, a ninth driving wheel, a seventh rotating shaft rod, a tenth driving wheel, an eleventh driving wheel, a first rotating cylinder, a tenth rotating shaft rod, a third electric push rod, a connecting plate, a third bearing frame plate, a first grinding disc and a first lifting chassis; the upper part of the integrated mounting plate is connected with a battery fixing frame; the upper part of the integrated mounting plate is connected with a first lifting platform; the first lifting platform is inserted with the second electric push rod; the second electric push rod is connected with the first electric rotating shaft; the first electric rotating shaft is connected with the first arc-shaped clamp; the upper part of the integrated mounting plate is connected with the first bearing seat; the outer surface of the first bearing seat is rotationally connected with the torsion spring rotating shaft sleeve; the outer surface of the torsion spring rotating shaft sleeve is fixedly connected with the first huge gear; the first large gear is meshed with the first half gear; the axle center of the first half gear is fixedly connected with the sixth rotating shaft rod; the lower part of the sixth rotating shaft rod is rotationally connected with the integrated mounting plate; the upper part of the sixth rotating shaft rod is rotationally connected with the battery fixing frame; the outer surface of the sixth rotating shaft rod is fixedly connected with a sixth driving wheel, a seventh driving wheel and an eighth driving wheel in sequence; the outer ring surface of the seventh driving wheel is in transmission connection with the ninth driving wheel through a belt; the inner side of the ninth driving wheel is fixedly connected with the seventh rotating shaft rod; the lower part of the seventh rotating shaft rod is rotationally connected with the first bearing seat; the outer surface of the seventh rotating shaft rod is fixedly connected with a tenth driving wheel; the outer ring surface of the tenth driving wheel is in transmission connection with the eleventh driving wheel through a belt; the inner side of the eleventh transmission wheel is fixedly connected with the first rotating cylinder; the inner side of the first rotating cylinder column is in sliding connection with the eleventh rotating shaft rod; the lower part of the eleventh rotating shaft rod is rotationally connected with a third electric push rod; the lower part of the third electric push rod is in sliding connection with the set mounting plate; the outer surface of the third electric push rod is sleeved with the connecting plate; the connecting plate is connected with the torsion spring rotating shaft sleeve; the upper part of the connecting plate is connected with a third bearing frame plate; the third bearing frame plate is rotationally connected with the first rotating cylinder; the upper part of the eleventh rotating shaft rod is fixedly connected with the first polishing disc; the lower part of the integrated mounting plate is connected with the working table plate; the eighth driving wheel is connected with the first driving wheel.

As an improvement of the above scheme, the welding and fixing mechanism comprises a first elevating column, an eighth rotating shaft rod, a ninth rotating shaft rod, a twelfth driving wheel, a thirteenth driving wheel, a long gear, a tenth rotating shaft rod, a second elevating column, a third screw rod, a third limiting slide rod and a movable welding mechanism; the first elevating column is rotatably connected with the eighth rotating shaft rod; the first elevating column is rotationally connected with the ninth rotating shaft rod; the eighth rotating shaft rod is fixedly connected with the twelfth driving wheel; the ninth rotating shaft rod is fixedly connected with the thirteenth driving wheel; the ninth rotating shaft rod is fixedly connected with the long gear; the long gear is fixedly connected with the tenth rotating shaft rod; the tenth rotating shaft rod is rotationally connected with the second overhead column; the eighth rotating shaft rod is fixedly connected with the third screw rod; the third screw rod is rotationally connected with the second elevated column; the outer surface of the third screw rod is in sliding connection with the movable welding mechanism; the movable welding mechanism is connected with the third limiting slide rod in a sliding manner; one side of the third limiting slide bar is spliced with the first overhead column, and the other side of the third limiting slide bar is connected with the second overhead column; the lower part of the second elevated column is connected with the working bedplate; the lower part of the first elevating column is connected with the working bedplate; the twelfth driving wheel is connected with the third driving wheel; the thirteenth driving wheel is connected with the second driving wheel.

As an improvement of the scheme, the second trimming mechanism comprises a hollow elevated column, a rear connecting groove plate, a first electric slide rail, a second electric slide rail, a first hollow operating column, a first compression column and an electric lower pressure plate; the hollow elevated column is connected with the rear connecting groove plate through bolts; a first electric slide rail is arranged on the inner side of the hollow elevated column; the first electric sliding rail is in sliding connection with the first hollow operating column; a second electric slide rail is arranged on the inner side of the rear connecting groove plate; the second electric slide rail is in sliding connection with the first compression column; the lower part of the first compression leg is connected with the electric lower compression plate; the hollow elevated column is connected with the first screw rod; the hollow elevated column is connected with the first limiting slide bar.

As an improvement of the scheme, the movable welding mechanism comprises an integrated movable plate, a fourth electric push rod, a first integrated plate, a high-temperature welding gun, a first shaft frame plate, a second shaft frame plate, a first connecting long plate, a fourteenth driving wheel, a fourth flat gear, a fifteenth driving wheel, a fifth flat gear, a sixth flat gear, a first feeding roller, a second feeding roller, a first connecting block, a second connecting block and a winding roller; the integrated moving plate is connected with a fourth electric push rod; the lower part of the fourth electric push rod is connected with the first collecting plate; the lower part of the first gathering plate is connected with a high-temperature welding gun; the lower part of the first collecting plate is connected with the first shaft frame plate and the second shaft frame plate in sequence; the second shaft frame plate is connected with the first connecting long plate through bolts; the first connecting long plate is rotationally connected with the fourteenth driving wheel; the shaft center of the fourteenth driving wheel is fixedly connected with the fourth flat gear; the fourteenth transmission outer annular surface is in transmission connection with a fifteenth transmission wheel through a belt; the axis of the fifteenth transmission wheel is fixedly connected with the fifth flat gear; the fifth flat gear is meshed with the sixth flat gear; the fifth flat gear shaft center is fixedly connected with the first feeding roller; the sixth flat gear is fixedly connected with the second feeding roller; one side of the second feeding roller is rotationally connected with the first shaft frame plate, and the other side of the second feeding roller is rotationally connected with the second shaft frame plate; one side of the first feeding roller is rotationally connected with the first shaft frame plate, and the other side of the first feeding roller is rotationally connected with the second shaft frame plate; the lower part of the first gathering plate is connected with a first connecting block and a second connecting block in sequence; the second connecting block is rotatably connected with the winding roller; the winding roller is rotatably connected with the first connecting block; the integrated moving plate is connected with the third screw rod; the collection moving plate is connected with a third limiting slide bar.

As an improvement of the scheme, the first hollow operating column comprises a column body, a third electric slide rail, an electric slide seat and an electric saw blade; the column body is connected with a third electric slide rail; the third electric sliding rail is in sliding connection with the electric sliding seat; the electric sliding seat is rotationally connected with the electric saw blade; the cylinder is connected with first electronic slide rail.

As the improvement of the scheme, the inner surface of the first arc-shaped clamp is provided with a rubber pad.

As an improvement of the scheme, two side surfaces inside the groove above the first hollow operating column are provided with inclined surfaces.

The beneficial effects are that: 1. in order to solve the problems that in the prior art, due to the requirement of battery assembly, a plurality of cylindrical lithium batteries are required to be assembled, when the plurality of lithium batteries are assembled, the plurality of lithium battery electrodes are required to be welded together by manually adopting lithium battery electrode connecting metal sheets, one electrodes of the plurality of lithium batteries are kept in circuit communication, the electrode connecting metal sheets are mostly rectangular in the welding process and have right-angle sides which can protrude out of the edges of the batteries, hands are easy to scratch when the lithium batteries are taken and placed manually, meanwhile, because holes do not exist at the positions where the electrode connecting metal sheets are connected with the lithium battery electrodes, when the welding connection is carried out, soldering tin is required to be melted and dripped on the lithium battery electrodes, then the metal sheets are pressed on the electrodes, secondary soldering tin melting and welding are carried out, the steps are complicated, meanwhile, the concave-convex soldering tin on each battery electrode is uneven, and the metal sheets cannot be kept horizontal after, the problem of influencing the installation of the subsequent lithium battery pack;

2. the method comprises the steps that a positioning and edge-folding mechanism, an edge-grinding mechanism and a welding and fixing mechanism are designed, firstly, a lithium battery is fixed inside the edge-grinding mechanism, then, electrode connecting metal sheets are fixed above the lithium batteries which are arranged orderly through the positioning and edge-folding mechanism, then, the positioning and edge-folding mechanism bends and trims redundant parts of the electrode connecting metal sheets, then, right-angled parts of the metal sheets are polished and removed through the edge-grinding mechanism, finally, the electrode connecting metal sheets are welded above a plurality of lithium batteries through the welding and fixing mechanism, after one pole of the lithium batteries is welded, the lithium batteries are controlled to be turned upside down, and then, the other pole of the lithium batteries is;

3. the positioning and fixing operation of the cylindrical lithium battery is realized, the electrode connecting metal sheet is automatically positioned, placed and fixed, the welding iron sheet is automatically turned over and cut off redundant fragments, meanwhile, sharp corner edges are automatically polished to prevent workers from scratching, and the electrode connecting metal sheet and the metal electrode of the lithium battery are fixedly connected through automatic welding.

Drawings

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

FIG. 2 is a schematic perspective view of the positioning and folding mechanism of the present invention;

FIG. 3 is a schematic perspective view of an edge grinding mechanism according to the present invention;

FIG. 4 is a schematic perspective view of the welding fixture according to the present invention;

FIG. 5 is a schematic perspective view of a second trimming mechanism according to the present invention;

FIG. 6 is a schematic view of a first perspective structure of the mobile welding mechanism of the present invention;

FIG. 7 is a second perspective view of the mobile welding mechanism of the present invention;

fig. 8 is a schematic perspective view of the first hollow operating column of the present invention.

Number designation in the figures: 1_ work board, 2_ stand column, 3_ running control panel, 4_ positioning hemming mechanism, 5_ edging mechanism, 6_ weld fixing mechanism, 401_ motor, 402_ first spindle rod, 403_ first bevel gear, 404_ first bearing plate, 405_ second bevel gear, 406_ first driving wheel, 407_ first telescopic spindle, 408_ first bearing frame column, 409_ second driving wheel, 4010_ first bearing sleeve plate, 4011_ first electric push rod, 4012_ first flat gear, 4013_ second flat gear, 4014_ second spindle rod, 4015_ second bearing frame plate, 4016_ third driving wheel, 4017_ third flat gear, 4018_ third spindle rod, 4019_ fourth driving wheel, 4020_ fifth driving wheel, 4021_ fourth spindle rod, 4022_ first spindle rod, 4023_ second bearing frame column, 4024_ third bearing frame column, 4025_ first spindle rod, 4026_ fifth limit spindle rod, 4027_ fourth bearing bracket column, 4028_ second lead screw, 4029_ second limit slide bar, 4030_ fifth bearing bracket column, 4031_ first edging mechanism, 4032_ second edging mechanism, 4033_ mounting table column, 501_ collective mounting plate, 502_ battery holder, 503_ first lift table, 504_ second electric push rod, 505_ first electric spindle, 506_ first arc clip, 507_ first bearing seat, 508_ torsion spring spindle sleeve, 509_ first macro gear, 5010_ first half gear, 5011_ sixth spindle shaft, 5012_ sixth drive wheel, 5013_ seventh drive wheel, 5014_ eighth drive wheel, 5015_ ninth drive wheel, 5016_ seventh spindle shaft, 5017_ tenth drive wheel, 5018_ eleventh drive wheel, 5019_ first rotary cylinder column, 5020_ eleventh rotation, 5021_ third electric push rod, 5022_ third spindle plate, 5023_ third joint plate, 5024_ third joint plate, and second grinding disc 5024_ bearing bracket, 5025_ first lifting chassis, 601_ first elevating column, 602_ eighth rotating shaft, 603_ ninth rotating shaft, 604_ twelfth driving wheel, 605_ thirteenth driving wheel, 606_ long gear, 607_ tenth rotating shaft, 608_ second elevating column, 609_ third screw rod, 6010_ third limit slide bar, 6011_ mobile welding mechanism, 403201_ hollow elevating column, 403202_ rear connecting slot plate, 403203_ first electric slide rail, 403204_ second electric slide rail, 403205_ first hollow operating column, 403206_ first press column, 403207_ electric lower press plate, 601101_ aggregate moving plate, 601102_ fourth electric push rod, 601103_ first aggregate plate, 601104_ high temperature welding gun, 601105_ first axle plate, 601106_ second axle plate, 601107_ first connecting long plate, 601108_ fourteenth driving wheel, 601109_ fourth flat gear, 36 601110_ fifteenth driving wheel, 601111_ fifth flat gear, 601112_ sixth flat gear, 601113_ first feed roller, 601114_ second feed roller, 601115_ first splicing block, 601116_ second splicing block, 601117_ winding roller, 40320501_ cylinder, 40320502_ third electric slide rail, 40320503_ electric slide seat, 40320504_ electric saw blade.

Detailed Description

The invention is described in detail below with reference to the figures and the embodiments.

Example 1

An automatic positioning type lithium battery welding assembly device is shown in figures 1-8 and comprises a working table plate 1, a support leg column 2, an operation control screen 3, a positioning and edge folding mechanism 4, an edge grinding mechanism 5 and a welding and fixing mechanism 6; the lower part of the working table plate 1 is welded with the support leg column 2; an operation control screen 3 is arranged above the worktable plate 1; the upper part of the working table plate 1 is connected with a positioning and edge folding mechanism 4; the upper part of the working table plate 1 is connected with an edging mechanism 5; the upper part of the working table plate 1 is connected with a welding and fixing mechanism 6; the positioning edge folding mechanism 4 is connected with the edge grinding mechanism 5; the positioning and folding mechanism 4 is connected with the welding and fixing mechanism 6.

The working principle is as follows: when the automatic positioning type lithium battery welding and assembling device is used, punching operation is carried out on an electrode connecting metal sheet for electrode welding, the device is stably fixed to a working plane firstly, then an external power supply is connected, an operation control screen 3 is manually opened, then a power system in the device is switched on through the operation control screen 3, the lithium battery is fixed to the inside of an edge grinding mechanism 5 firstly, then the electrode connecting metal sheet is fixed to the upper part of the lithium battery which is orderly arranged through a positioning edge folding mechanism 4, then the positioning edge folding mechanism 4 carries out bending and trimming on the redundant part of the electrode connecting metal sheet, then the right-angled part of the metal sheet is polished and removed through the edge grinding mechanism 5, finally the electrode connecting metal sheet is welded to the upper part of a plurality of lithium batteries through a welding and fixing mechanism 6, after one pole of the lithium batteries is welded, the lithium batteries are controlled to be, and then carry out welded connection to another utmost point of lithium cell, realized the location fixed operation to cylindrical lithium cell to with the automatic positioning, normal position, place, the fixed of electrode connection sheetmetal, and turn over the automation of welding iron spare unnecessary fragment, amputate, cut, the sharp angle limit of automatic polishing simultaneously prevents workman's scratch, automatic welding carries out fixed connection's effect with the metal electrode of electrode connection sheetmetal and lithium cell.

The positioning and flanging mechanism 4 comprises a power motor 401, a first rotating shaft rod 402, a first bevel gear 403, a first bearing frame plate 404, a second bevel gear 405, a first transmission wheel 406, a first telescopic rotating shaft 407, a first bearing frame column 408, a second transmission wheel 409, a first bearing sleeve plate 4010, a first electric push rod 4011, a first flat gear 4012, a second flat gear 4013, a second rotating shaft rod 4014, a second bearing frame plate 4015, a third transmission wheel 4016, a third flat gear 4017, a third rotating shaft rod 4018, a fourth transmission wheel 4019, a fifth transmission wheel 4020, a fourth rotating shaft rod 4021, a first lead screw 4022, a second bearing frame column 4023, a third bearing frame column 4024, a first limit sliding rod 4025, a fifth rotating shaft rod 4026, a fourth bearing frame column 4027, a second lead screw 4028, a second limit sliding rod 4029, a fifth bearing frame column 4030, a first edging mechanism 4031, a second edging mechanism 4032 and an installation platform column 4033; an output shaft of the power motor 401 is fixedly connected with a first rotating shaft rod 402; the lower part of the power motor 401 is connected with the mounting column 4033 through a bolt; the outer surface of the first rotating shaft rod 402 is fixedly connected with a first bevel gear 403; the outer surface of the first rotating shaft 402 is rotatably connected with the first bearing frame plate 404; the lower part of the first bearing frame plate 404 is connected with a mounting table column 4033; the first bevel gear 403 meshes with the second bevel gear 405; second bevel gear 405 is in rotational communication with first bearing carrier plate 404; the axle center of the second bevel gear 405 is fixedly connected with the first driving wheel 406; the first rotating shaft rod 402 is fixedly connected with the first telescopic rotating shaft 407; the outer surface of the first telescopic rotating shaft 407 is rotatably connected with the first bearing frame column 408; the lower part of the first bearing frame column 408 is connected with a mounting table column 4033; the outer surface of the first telescopic rotating shaft 407 is fixedly connected with a second driving wheel 409; the outer surface of the first telescopic rotating shaft 407 is rotatably connected with the first bearing sleeve plate 4010; the first bearing sleeve plate 4010 is inserted into the first electric push rod 4011; the first electric push rod 4011 is connected with the first bearing frame column 408; the first telescopic rotating shaft 407 is fixedly connected with the first flat gear 4012; the upper part of the first flat gear 4012 is meshed with a second flat gear 4013; the axle center of the second flat gear 4013 is fixedly connected with a second rotating shaft 4014; the outer surface of the second rotating shaft rod 4014 is rotatably connected with a second bearing frame plate 4015; the second rotating shaft rod 4014 is fixedly connected with a third driving wheel 4016; the second bearing frame plate 4015 is rotatably connected to a third rotating shaft rod 4018; one side of the third rotating shaft rod 4018 is fixedly connected with a third flat gear 4017, and the other side of the third rotating shaft rod 4018 is fixedly connected with a fourth driving wheel 4019; the outer annular surface of the fourth driving wheel 4019 is in transmission connection with a fifth driving wheel 4020 through a belt; the axle center of the fifth driving wheel 4020 is fixedly connected with the fourth rotating shaft rod 4021; the fourth rotating shaft rod 4021 is rotatably connected with the second bearing frame plate 4015; the fourth rotating shaft rod 4021 is fixedly connected with the first screw rod 4022; the first screw 4022 is rotatably connected with the second bearing bracket post 4023; the first screw 4022 is rotationally connected with the third bearing bracket column 4024; the third bearing frame column 4024 is inserted into the first limiting slide bar 4025; the first limiting slide bar 4025 is spliced with the second bearing frame column 4023; the first screw 4022 is fixedly connected with the fifth rotating shaft rod 4026; the fifth rotating shaft rod 4026 is fixedly connected with the second screw rod 4028; the second screw 4028 is rotatably connected with a fourth bearing bracket column 4027; a fourth bearing frame column 4027 is inserted with a second limiting slide bar 4029; the second limiting slide bar 4029 is inserted into the fifth bearing frame column 4030; the fifth bearing frame column 4030 is in rotary connection with the second screw rod 4028; the outer surface of the second screw 4028 is in sliding connection with the first trimming mechanism 4031; the inner side of the first trimming mechanism 4031 is connected with a second limiting slide bar 4029 in a sliding manner; the first screw 4022 is in sliding connection with the second trimming mechanism 4032; the second trimming mechanism 4032 is connected with the first limiting slide bar 4025 in a sliding manner; the lower part of the mounting table column 4033 is connected with the working table plate 1; the lower part of the second bearing frame plate 4015 is connected with the workbench plate 1; the lower part of the second bearing bracket column 4023 is connected with the workbench plate 1; the lower part of the third bearing frame column 4024 is connected with the workbench plate 1; the lower part of the fourth bearing frame column 4027 is connected with the workbench plate 1; the lower part of the fifth bearing frame column 4030 is connected with the workbench plate 1; the first driving wheel 406 is connected with the edge grinding mechanism 5; the third driving wheel 4016 is connected with the welding and fixing mechanism 6; the second transmission wheel 409 is connected with the welding and fixing mechanism 6.

Firstly, the power supply of a power motor 401 is controlled to be switched on through an operation control screen 3, then the power motor 401 drives a first rotating shaft rod 402 to rotate, then the first rotating shaft rod 402 drives a first bevel gear 403 to rotate, then the first bevel gear 403 drives a second bevel gear 405 to rotate, further the second bevel gear 405 drives a first driving wheel 406 to rotate, then the first driving wheel 406 drives an edge grinding mechanism 5 to rotate, simultaneously the first rotating shaft rod 402 drives a first telescopic rotating shaft 407 to rotate, further the first telescopic rotating shaft 407 drives a second driving wheel 409 to rotate, simultaneously the first telescopic rotating shaft 407 drives a first flat gear 4012 to rotate, further the first flat gear 4012 drives a second flat gear 4013 to rotate, further the second flat gear 4013 drives a third driving wheel 4016 to rotate through a second rotating shaft 4014, further the third driving wheel 4016 and the second driving wheel 409 drive a welding and fixing mechanism 6 to operate, the first electric push rod 4011 can be controlled to push out to drive the first bearing sleeve plate 4010 to move, then the first bearing sleeve plate 4010 drives the first telescopic rotating shaft 407 to extend, then the first telescopic rotating shaft 407 drives the first flat gear 4012 to move to a position where the first flat gear 4012 is meshed with the third flat gear 4017, then the third flat gear 4017 drives the fourth driving wheel 4019 to rotate through the third rotating shaft rod 4018, then the fourth driving wheel 4019 drives the fifth driving wheel 4020 to rotate, then the fifth driving wheel 4020 drives the fourth rotating shaft rod 4021 to rotate, then the fourth rotating shaft rod 4021 drives the first lead screw 4022 to rotate, then the first lead screw 4022 rotates through the fifth rotating shaft rod 4026 to drive the second lead screw 4028 to rotate, further the second lead screw 4028 and the first lead screw 4022 simultaneously rotate to respectively drive the first edging mechanism 4031 and the second edging mechanism 4032 to move oppositely, and then the first edging mechanism 4031 and the second edging mechanism 4032 respectively move close to the second limiting sliding rod 4029 and the first limiting sliding rod 4025 and move close to the edging mechanism 4035 And fixing the electrode connecting metal sheet, and bending, cutting and trimming the electrode connecting metal sheet.

The edge grinding mechanism 5 comprises a set mounting plate 501, a battery holder 502, a first lifting platform 503, a second electric push rod 504, a first electric rotating shaft 505, a first arc-shaped clamp 506, a first bearing 507, a torsion spring rotating shaft sleeve 508, a first giant gear 509, a first half gear 5010, a sixth rotating shaft 5011, a sixth driving wheel 5012, a seventh driving wheel 5013, an eighth driving wheel 5014, a ninth driving wheel 5015, a seventh rotating shaft 5016, a tenth driving wheel 5017, an eleventh driving wheel 5018, a first rotating shaft 5019, an eleventh rotating shaft 5020, a third electric push rod 5021, a connecting plate 5022, a third bearing frame plate 5023, a first polishing disc 5024 and a first lifting chassis 5; the upper part of the assembly mounting plate 501 is connected with a battery fixing frame 502; the upper part of the assembly mounting plate 501 is connected with a first lifting platform 503; the first lifting platform 503 is inserted into the second electric push rod 504; the second electric push rod 504 is connected with the first electric rotating shaft 505; first electrically powered shaft 505 is connected to first arcuate clip 506; the upper part of the assembly mounting plate 501 is connected with a first bearing seat 507; the outer surface of the first bearing seat 507 is rotatably connected with a torsion spring rotating shaft sleeve 508; the outer surface of the torsion spring rotating shaft sleeve 508 is fixedly connected with a first giant gear 509; the first macro gear 509 is meshed with the first half gear 5010; the axle center of the first half gear 5010 is fixedly connected with the sixth rotating shaft 5011; the lower part of the sixth rotating shaft 5011 is rotatably connected with the integrated mounting plate 501; the upper part of the sixth rotating shaft 5011 is rotatably connected with the battery fixing frame 502; the outer surface of the sixth rotating shaft 5011 is fixedly connected with a sixth transmission wheel 5012, a seventh transmission wheel 5013 and an eighth transmission wheel 5014 in sequence; the outer ring surface of the seventh transmission wheel 5013 is in transmission connection with a ninth transmission wheel 5015 through a belt; the inner side of the ninth transmission wheel 5015 is fixedly connected with a seventh rotating shaft 5016; the lower part of the seventh rotating shaft 5016 is rotatably connected with the first bearing seat 507; the outer surface of the seventh rotating shaft 5016 is fixedly connected with a tenth transmission wheel 5017; the outer ring surface of the tenth transmission wheel 5017 is in transmission connection with an eleventh transmission wheel 5018 through a belt; the inner side of an eleventh transmission wheel 5018 is fixedly connected with a first rotating cylinder 5019; the inner side of the first rotating cylinder 5019 is in sliding connection with an eleventh rotating shaft rod 5020; the lower part of the eleventh rotating shaft rod 5020 is rotatably connected with a third electric push rod 5021; the lower part of the third electric push rod 5021 is in sliding connection with the assembly mounting plate 501; the outer surface of the third electric push rod 5021 is sleeved with a connecting plate 5022; the connecting plate 5022 is connected with the torsion spring rotating shaft sleeve 508; the upper part of the connecting plate 5022 is connected with a third bearing frame plate 5023; the third bearing support plate 5023 is in rotational connection with the first rotating barrel post 5019; the upper part of the eleventh rotating shaft rod 5020 is fixedly connected with a first polishing disc 5024; the lower part of the integrated mounting plate 501 is connected with the working table plate 1; the eighth transmission wheel 5014 is connected to the first transmission wheel 406.

Firstly, four cylindrical lithium batteries are fixedly inserted into a battery fixing frame 502, then electrode connecting metal sheets are fixedly trimmed and polished through a positioning and edge folding mechanism 4, then the electrode connecting metal sheets are fixed, at the moment, a third electric push rod 5021 is controlled to be pushed out upwards, then a third electric push rod 5021 drives an eleventh rotating shaft rod 5020 to move upwards, namely, the eleventh rotating shaft rod 5020 slides upwards on the inner side of a first rotating cylinder 5019, then the eleventh rotating shaft rod 5020 drives a first polishing disc 5024 to move upwards, then the first polishing disc 5024 moves upwards to a position in contact with a right-angled edge of the electrode connecting metal sheet, meanwhile, a first driving wheel 406 drives an eighth driving wheel 5014 to rotate, then the eighth driving wheel 5014 drives a sixth rotating shaft 5011 to rotate, then the sixth rotating shaft 5011 drives a seventh driving wheel 5013 to rotate, and simultaneously the sixth rotating shaft 5011 drives a sixth driving wheel 5012 and a first half gear 5010 to rotate, then the seventh driving wheel 5013 drives the ninth driving wheel 5015 to rotate, and further the ninth driving wheel 5015 drives the seventh rotating shaft 5016 to rotate, and then the seventh rotating shaft 5016 drives the tenth driving wheel 5017 to rotate, and further the tenth driving wheel 5017 drives the eleventh driving wheel 5018 to rotate, and further the eleventh driving wheel 5018 drives the first rotating cylinder 5019 to rotate, and further the first rotating cylinder 5019 drives the eleventh rotating shaft 5020 to rotate, and further the eleventh rotating shaft 5020 drives the first polishing disc 5024 to rotate, and then the first polishing disc 5024 polishes the right-angled side of the electrode connecting metal sheet, and simultaneously the first half gear 5010 drives the first huge gear 509 to rotate, and further the first huge gear 509 drives the torsion spring rotating shaft sleeve 508 to rotate, and further the torsion spring rotating shaft sleeve 508 drives the connecting plate 5022 to rotate, and then the connecting plate 5022 drives the third electric push rod 5021 to slide inside the arc track of the assembly mounting plate 501, finally, the first polishing disc 5024 is driven to do circular motion in the rotating process, so that the right-angle edge of the electrode connecting metal sheet is polished to be a circular edge matched with the edge of the cylindrical lithium battery, meanwhile, the sixth driving wheel 5012 drives a mechanism with the other side symmetrical to the other side to also polish the circular edge of the other side of the electrode connecting metal sheet, so that the two sides of the electrode connecting metal sheet are polished, then the welding and fixing mechanism 6 is controlled to weld and connect the electrode connecting metal sheet and the lithium battery, after one side of the lithium battery is welded, the first lifting platform 503 is controlled to lift, the first lifting platform 503 drives the second electric push rod 504 to move upwards, the second electric push rod 504 drives the first arc-shaped clamp 506 to move to the position above the top of the battery fixing frame 502, the second electric push rod 504 is controlled to push out the first arc-shaped clamp 506, and simultaneously the first arc-shaped clamp 506 with the other side, then, the battery pack is clamped by the two groups of first arc-shaped clamps 506, then the two groups of first lifting tables 503 continue to rise, the battery is drawn out from the inside of the battery fixing frame 502, then the two groups of first electric rotating shafts 505 are controlled to rotate, then the battery pack is driven by the two groups of first arc-shaped clamps 506 to turn over up and down, then the two groups of first lifting tables 503 are controlled to shrink, then the battery pack is fixed to the inside of the battery fixing frame 502 after being turned over up and down, then the other pole of the battery pack is welded and fixed, and the welding and fixing of the lithium battery are completed.

The welding and fixing mechanism 6 comprises a first elevating column 601, an eighth rotating shaft rod 602, a ninth rotating shaft rod 603, a twelfth driving wheel 604, a thirteenth driving wheel 605, a long gear 606, a tenth rotating shaft rod 607, a second elevating column 608, a third screw rod 609, a third limit slide rod 6010 and a movable welding mechanism 6011; the first elevated column 601 is rotatably connected with the eighth rotating shaft rod 602; the first elevated column 601 is rotatably connected with the ninth rotating shaft rod 603; the eighth rotating shaft rod 602 is fixedly connected with the twelfth driving wheel 604; the ninth rotating shaft rod 603 is fixedly connected with a thirteenth driving wheel 605; the ninth rotating shaft rod 603 is fixedly connected with the long gear 606; the long gear 606 is fixedly connected with the tenth rotating shaft lever 607; the tenth swivel lever 607 is rotatably connected to the second elevated column 608; the eighth rotating shaft 602 is fixedly connected with the third lead screw 609; the third screw 609 is rotatably connected with the second overhead column 608; the outer surface of the third lead screw 609 is in sliding connection with the movable welding mechanism 6011; the movable welding mechanism 6011 is slidably connected with a third limiting slide rod 6010; one side of the third limiting slide bar 6010 is inserted into the first overhead column 601, and the other side of the third limiting slide bar 6010 is connected to the second overhead column 608; the lower part of the second elevated column 608 is connected with the workbench plate 1; the lower part of the first elevated column 601 is connected with the workbench plate 1; the twelfth driving wheel 604 is connected with the third driving wheel 4016; the thirteenth transmission wheel 605 is connected with the second transmission wheel 409.

Firstly, the second driving wheel 409 drives the thirteenth driving wheel 605 to rotate, then the thirteenth driving wheel 605 drives the ninth rotating shaft rod 603 to rotate, then the ninth rotating shaft rod 603 drives the long gear 606 to rotate, meanwhile, the third driving wheel 4016 drives the twelfth driving wheel 604 to rotate, then the twelfth driving wheel 604 drives the eighth rotating shaft rod 602 to rotate, then the eighth rotating shaft rod 602 drives the third screw 609 to rotate, then the third screw 609 drives the movable welding mechanism 6011 to slide on the surface of the third limiting slide rod 6010 to the upper side of the edge grinding mechanism 5, and the battery and the electrode connecting metal sheet are welded, connected and fixed.

The second trimming mechanism 4032 comprises a hollow elevated column 403201, a rear connecting groove plate 403202, a first electric slide rail 403203, a second electric slide rail 403204, a first hollow operating column 403205, a first pressing column 403206 and an electric lower pressing plate 403207; the hollow elevated column 403201 is connected with the rear connecting groove plate 403202 through bolts; a first electric slide rail 403203 is arranged on the inner side of the hollow elevated column 403201; the first electric slide rail 403203 is in sliding connection with the first hollow operating column 403205; a second electric slide rail 403204 is arranged at the inner side of the rear connecting groove plate 403202; the second electric slide rail 403204 is in sliding connection with the first pressure column 403206; the lower part of the first pressure column 403206 is connected with an electric lower pressure plate 403207; the hollow elevated column 403201 is connected with the first screw 4022; the hollow elevated column 403201 is connected to a first stop slide 4025.

First, the first screw 4022 drives the hollow elevated column 403201 to move until the first pressing column 403206 is located above the edge of the electrode connecting metal sheet, at this time, the electrode connecting metal sheet is located inside the groove above the first hollow operating column 403205, then the second electric slide rail 403204 drives the first pressing post 403206 to perform fine adjustment, so that the edge of the electric pressing plate 403207 close to the first hollow operation post 403205 is located right above the edge of the lithium battery, and the electric lower pressure plate 403207 is controlled to move downwards to press and fix the electrode connecting metal sheet, then the first electric slide rail 403203 is controlled to drive the first hollow operating column 403205 to move upwards, the first hollow operating column 403205 bends the electrode connecting metal sheet in the upper groove, and the excess portion of the electrode connecting metal sheet is bent to be attached to the surface of the first pressure column 403206, then, the first hollow operating rod 403205 is controlled to move upwards continuously, and the first hollow operating rod 403205 cuts and separates the redundant electrode connecting metal sheet.

The movable welding mechanism 6011 includes an integrated moving plate 601101, a fourth electric push rod 601102, a first integrated plate 601103, a high temperature welding gun 601104, a first shaft frame plate 601105, a second shaft frame plate 601106, a first connecting long plate 601107, a fourteenth driving wheel 601108, a fourth flat gear 601109, a fifteenth driving wheel 601110, a fifth flat gear 601111, a sixth flat gear 601112, a first feeding roller 601113, a second feeding roller 601114, a first engaging block 601115, a second engaging block 601116 and a winding roller 601117; the collective moving plate 601101 is connected to a fourth electric push rod 601102; the lower part of the fourth electric push rod 601102 is connected with a first collecting plate 601103; a high-temperature welding gun 601104 is connected below the first gathering plate 601103; the lower part of the first gathering plate 601103 is sequentially connected with a first shaft frame plate 601105 and a second shaft frame plate 601106; the second spindle plate 601106 is bolted to the first connecting long plate 601107; the first connecting long plate 601107 is rotationally connected with a fourteenth driving wheel 601108; the axle center of the fourteenth driving wheel 601108 is fixedly connected with the fourth flat gear 601109; the fourteenth driving outer annular surface is in driving connection with a fifteenth driving wheel 601110 through a belt; the axle center of the fifteenth driving wheel 601110 is fixedly connected with the fifth flat gear 601111; the fifth flat gear 601111 meshes with the sixth flat gear 601112; the axle center of the fifth flat gear 601111 is fixedly connected with the first feeding roller 601113; the sixth flat gear 601112 is fixedly connected with the second feeding roller 601114; one side of the second feed roller 601114 is rotationally connected with the first spindle plate 601105, and the other side of the second feed roller 601114 is rotationally connected with the second spindle plate 601106; one side of the first feed roller 601113 is rotationally connected with the first spindle plate 601105, and the other side of the first feed roller 601113 is rotationally connected with the second spindle plate 601106; a first connecting block 601115 and a second connecting block 601116 are connected below the first collecting plate 601103 in sequence; the second engaging block 601116 is rotatably connected to the winding roller 601117; the winding roller 601117 is rotatably connected to the first engaging block 601115; the collection moving plate 601101 is connected with a third lead screw 609; the collective moving plate 601101 is connected to a third stopper slide bar 6010.

Firstly, a solder wire is wound and fixed on the surface of a winding roller 601117, one end of the solder wire passes through a gap between a first feeding roller 601113 and a second feeding roller 601114, so that the solder wire is positioned below a high-temperature welding gun 601104, a third screw 609 drives an aggregate moving plate 601101 to move to a position above an edge grinding mechanism 5, then a fourth electric push rod 601102 is controlled to push downwards, then the fourth electric push rod 601102 drives a first aggregate plate 601103 to move downwards to a position where a high-temperature welding gun 601104 contacts with an electrode of an electrode connection metal sheet for punching, at the moment, a fourth flat gear 601109 moves downwards to a position where the fourth flat gear 601109 is meshed with a long gear 606, then the long gear 606 drives a fourth flat gear 601109 to rotate, then the fourth flat gear 601109 drives a fourteenth driving wheel 601108 to rotate, then the fourteenth driving wheel 601108 drives a fifteenth driving wheel 601110 to rotate, the fifteenth driving wheel 601110 drives a fifth flat gear 601111 to rotate, the fifth flat gear 601111 drives the sixth flat gear 601112 to rotate, so that the fifth flat gear 601111 and the sixth flat gear 601112 respectively drive the first feeding roller 601113 and the second feeding roller 601114 to rotate, the first feeding roller 601113 and the second feeding roller 601114 drive the solder wires to discharge, the high-temperature welding gun 601104 is controlled to heat at the moment, the solder wires below the high-temperature welding gun are melted, and the electrode connecting metal sheet is connected with the electrodes of the battery in a welding mode.

The first hollow operating column 403205 comprises a column 40320501, a third electric slide rail 40320502, an electric slide seat 40320503 and an electric saw blade 40320504; the column 40320501 is connected with a third electric slide rail 40320502; the third electric slide rail 40320502 is in sliding connection with the electric slide carriage 40320503; the electric sliding seat 40320503 is rotatably connected with an electric saw blade 40320504; the post 40320501 is coupled to a first motorized slide rail 403203.

First, the first electric slide rail 403203 drives the cylinder 40320501 to move to the position where the electric saw blade 40320504 contacts the electrode connecting metal sheet bending fold, and then the electric saw blade 40320504 is controlled to rotate at a high speed, then the third electric slide rail 40320502 drives the electric slide 40320503, and then the electric slide 40320503 drives the electric saw blade 40320504 to move and cut along the electrode connecting metal sheet bending fold, and then the redundant part of the electrode connecting metal sheet is cut and separated.

The inner surface of the first arc-shaped clamp 506 is provided with a rubber pad.

So as to improve the friction force of the first arc-shaped clamp 506 contacting with the lithium battery and make the clamping more stable.

Two sides of the inner part of the groove above the first hollow operating column 403205 are provided with inclined planes.

The size of the bottom plane of the groove is matched with the width of the iron sheet, if the side face is a common vertical face, workers need to carefully and accurately place the iron sheet into the groove, the vertical face is changed into an inclined face, the workers only need to place the iron sheet approximately, the iron sheet slides into the groove bottom along the inclined face by utilizing the gravity of the iron sheet, and the working strength is reduced.

While the disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Accordingly, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.

Claims

1. The utility model provides an automatic positioning formula lithium cell welding assembly device, is including work platen, pillar and operation control screen, characterized by: the edge grinding machine also comprises a positioning edge folding mechanism, an edge grinding mechanism and a welding and fixing mechanism; the lower part of the working table plate is welded with the support leg column; an operation control screen is arranged above the working table plate; the upper part of the working table plate is connected with a positioning and edge folding mechanism; the upper part of the working table plate is connected with an edge grinding mechanism; the upper part of the working table plate is connected with a welding and fixing mechanism; the positioning edge folding mechanism is connected with the edge grinding mechanism; the positioning and edge folding mechanism is connected with the welding and fixing mechanism.

2. The automatic positioning type lithium battery welding and assembling device as claimed in claim 1, wherein the positioning and folding mechanism comprises a power motor, a first rotating shaft rod, a first bevel gear, a first bearing frame plate, a second bevel gear, a first driving wheel, a first telescopic rotating shaft, a first bearing frame column, a second driving wheel, a first bearing sleeve plate, a first electric push rod, a first flat gear, a second rotating shaft rod, a second bearing frame plate, a third driving wheel, a third rotating shaft rod, a fourth driving wheel, a fifth driving wheel, a fourth rotating shaft rod, a first screw rod, a second bearing frame column, a third bearing frame column, a first limiting slide rod, a fifth rotating shaft rod, a fourth bearing frame column, a second screw rod, a second limiting slide rod, a fifth bearing frame column, a first edge removing mechanism, a second edge removing mechanism and an installation platform column; an output shaft of the power motor is fixedly connected with the first rotating shaft rod; the lower part of the power motor is connected with the mounting table column through bolts; the outer surface of the first rotating shaft rod is fixedly connected with the first bevel gear; the outer surface of the first rotating shaft rod is rotationally connected with the first bearing frame plate; the lower part of the first bearing frame plate is connected with the mounting table column; the first bevel gear is meshed with the second bevel gear; the second bevel gear is in rotary connection with the first bearing frame plate; the second bevel gear core is fixedly connected with the first driving wheel; the first rotating shaft rod is fixedly connected with the first telescopic rotating shaft; the outer surface of the first telescopic rotating shaft is rotatably connected with the first bearing frame column; the lower part of the first bearing frame column is connected with the mounting table column; the outer surface of the first telescopic rotating shaft is fixedly connected with a second driving wheel; the outer surface of the first telescopic rotating shaft is rotatably connected with the first bearing sleeve plate; the first bearing sleeve plate is inserted with the first electric push rod; the first electric push rod is connected with the first bearing frame column; the first telescopic rotating shaft is fixedly connected with the first flat gear; the upper part of the first flat gear is meshed with the second flat gear; the axle center of the second flat gear is fixedly connected with the second rotating shaft rod; the outer surface of the second rotating shaft rod is rotatably connected with the second bearing frame plate; the second rotating shaft rod is fixedly connected with a third driving wheel; the second bearing frame plate is rotationally connected with the third rotating shaft rod; one side of the third rotating shaft rod is fixedly connected with the third flat gear, and the other side of the third rotating shaft rod is fixedly connected with the fourth driving wheel; the outer ring surface of the fourth driving wheel is in transmission connection with the fifth driving wheel through a belt; the axle center of the fifth driving wheel is fixedly connected with the fourth rotating shaft rod; the fourth rotating shaft rod is rotationally connected with the second bearing frame plate; the fourth rotating shaft rod is fixedly connected with the first screw rod; the first screw rod is rotationally connected with the second bearing frame column; the first screw rod is rotationally connected with the third bearing frame column; the third bearing frame column is inserted with the first limiting slide bar; the first limiting slide bar is spliced with the second bearing frame column; the first screw rod is fixedly connected with the fifth rotating shaft rod; the fifth rotating shaft rod is fixedly connected with the second screw rod; the second screw rod is rotatably connected with the fourth bearing frame column; the fourth bearing frame column is inserted with the second limiting slide rod; the second limiting slide bar is inserted with the fifth bearing frame column; the fifth bearing frame column is rotationally connected with the second screw rod; the outer surface of the second screw rod is in sliding connection with the first trimming mechanism; the inner side of the first trimming mechanism is in sliding connection with the second limiting slide rod; the first screw rod is connected with the second trimming mechanism in a sliding manner; the second trimming mechanism is in sliding connection with the first limiting slide rod; the lower part of the mounting table column is connected with the working table plate; the lower part of the second bearing frame plate is connected with the working table plate; the lower part of the second bearing frame column is connected with the working table plate; the lower part of the third bearing frame column is connected with the working table plate; the lower part of the fourth bearing frame column is connected with the working table plate; the lower part of the fifth bearing frame column is connected with the working table plate; the first driving wheel is connected with the edge grinding mechanism; the third driving wheel is connected with the welding and fixing mechanism; the second driving wheel is connected with the welding and fixing mechanism.

3. The automatic positioning type lithium battery welding and assembling device as claimed in claim 2, wherein the edge grinding mechanism comprises a collecting mounting plate, a battery fixing frame, a first lifting platform, a second electric push rod, a first electric rotating shaft, a first arc clamp, a first bearing seat, a torsion spring rotating shaft sleeve, a first big gear, a first half gear, a sixth rotating shaft rod, a sixth driving wheel, a seventh driving wheel, an eighth driving wheel, a ninth driving wheel, a seventh rotating shaft rod, a tenth driving wheel, an eleventh driving wheel, a first rotating cylinder, a tenth rotating shaft rod, a third electric push rod, a connecting plate, a third bearing frame plate, a first grinding disc and a first lifting chassis; the upper part of the integrated mounting plate is connected with a battery fixing frame; the upper part of the integrated mounting plate is connected with a first lifting platform; the first lifting platform is inserted with the second electric push rod; the second electric push rod is connected with the first electric rotating shaft; the first electric rotating shaft is connected with the first arc-shaped clamp; the upper part of the integrated mounting plate is connected with the first bearing seat; the outer surface of the first bearing seat is rotationally connected with the torsion spring rotating shaft sleeve; the outer surface of the torsion spring rotating shaft sleeve is fixedly connected with the first huge gear; the first large gear is meshed with the first half gear; the axle center of the first half gear is fixedly connected with the sixth rotating shaft rod; the lower part of the sixth rotating shaft rod is rotationally connected with the integrated mounting plate; the upper part of the sixth rotating shaft rod is rotationally connected with the battery fixing frame; the outer surface of the sixth rotating shaft rod is fixedly connected with a sixth driving wheel, a seventh driving wheel and an eighth driving wheel in sequence; the outer ring surface of the seventh driving wheel is in transmission connection with the ninth driving wheel through a belt; the inner side of the ninth driving wheel is fixedly connected with the seventh rotating shaft rod; the lower part of the seventh rotating shaft rod is rotationally connected with the first bearing seat; the outer surface of the seventh rotating shaft rod is fixedly connected with a tenth driving wheel; the outer ring surface of the tenth driving wheel is in transmission connection with the eleventh driving wheel through a belt; the inner side of the eleventh transmission wheel is fixedly connected with the first rotating cylinder; the inner side of the first rotating cylinder column is in sliding connection with the eleventh rotating shaft rod; the lower part of the eleventh rotating shaft rod is rotationally connected with a third electric push rod; the lower part of the third electric push rod is in sliding connection with the set mounting plate; the outer surface of the third electric push rod is sleeved with the connecting plate; the connecting plate is connected with the torsion spring rotating shaft sleeve; the upper part of the connecting plate is connected with a third bearing frame plate; the third bearing frame plate is rotationally connected with the first rotating cylinder; the upper part of the eleventh rotating shaft rod is fixedly connected with the first polishing disc; the lower part of the integrated mounting plate is connected with the working table plate; the eighth driving wheel is connected with the first driving wheel.

4. The automatic positioning type lithium battery welding and assembling device as claimed in claim 3, wherein the welding and fixing mechanism comprises a first elevating column, an eighth rotating shaft rod, a ninth rotating shaft rod, a twelfth driving wheel, a thirteenth driving wheel, a long gear, a tenth rotating shaft rod, a second elevating column, a third screw rod, a third limiting slide rod and a movable welding mechanism; the first elevating column is rotatably connected with the eighth rotating shaft rod; the first elevating column is rotationally connected with the ninth rotating shaft rod; the eighth rotating shaft rod is fixedly connected with the twelfth driving wheel; the ninth rotating shaft rod is fixedly connected with the thirteenth driving wheel; the ninth rotating shaft rod is fixedly connected with the long gear; the long gear is fixedly connected with the tenth rotating shaft rod; the tenth rotating shaft rod is rotationally connected with the second overhead column; the eighth rotating shaft rod is fixedly connected with the third screw rod; the third screw rod is rotationally connected with the second elevated column; the outer surface of the third screw rod is in sliding connection with the movable welding mechanism; the movable welding mechanism is connected with the third limiting slide rod in a sliding manner; one side of the third limiting slide bar is spliced with the first overhead column, and the other side of the third limiting slide bar is connected with the second overhead column; the lower part of the second elevated column is connected with the working bedplate; the lower part of the first elevating column is connected with the working bedplate; the twelfth driving wheel is connected with the third driving wheel; the thirteenth driving wheel is connected with the second driving wheel.

5. The automatic positioning type lithium battery welding and assembling device as claimed in claim 4, wherein the second trimming mechanism comprises a hollow elevated column, a rear connecting groove plate, a first electric slide rail, a second electric slide rail, a first hollow operating column, a first pressing column and an electric lower pressing plate; the hollow elevated column is connected with the rear connecting groove plate through bolts; a first electric slide rail is arranged on the inner side of the hollow elevated column; the first electric sliding rail is in sliding connection with the first hollow operating column; a second electric slide rail is arranged on the inner side of the rear connecting groove plate; the second electric slide rail is in sliding connection with the first compression column; the lower part of the first compression leg is connected with the electric lower compression plate; the hollow elevated column is connected with the first screw rod; the hollow elevated column is connected with the first limiting slide bar.

6. The automatic positioning type lithium battery welding and assembling device as claimed in claim 5, wherein the moving welding mechanism comprises a collecting moving plate, a fourth electric push rod, a first collecting plate, a high-temperature welding gun, a first shaft frame plate, a second shaft frame plate, a first connecting long plate, a fourteenth transmission wheel, a fourth flat gear, a fifteenth transmission wheel, a fifth flat gear, a sixth flat gear, a first feeding roller, a second feeding roller, a first connecting block, a second connecting block and a winding roller; the integrated moving plate is connected with a fourth electric push rod; the lower part of the fourth electric push rod is connected with the first collecting plate; the lower part of the first gathering plate is connected with a high-temperature welding gun; the lower part of the first collecting plate is connected with the first shaft frame plate and the second shaft frame plate in sequence; the second shaft frame plate is connected with the first connecting long plate through bolts; the first connecting long plate is rotationally connected with the fourteenth driving wheel; the shaft center of the fourteenth driving wheel is fixedly connected with the fourth flat gear; the fourteenth transmission outer annular surface is in transmission connection with a fifteenth transmission wheel through a belt; the axis of the fifteenth transmission wheel is fixedly connected with the fifth flat gear; the fifth flat gear is meshed with the sixth flat gear; the fifth flat gear shaft center is fixedly connected with the first feeding roller; the sixth flat gear is fixedly connected with the second feeding roller; one side of the second feeding roller is rotationally connected with the first shaft frame plate, and the other side of the second feeding roller is rotationally connected with the second shaft frame plate; one side of the first feeding roller is rotationally connected with the first shaft frame plate, and the other side of the first feeding roller is rotationally connected with the second shaft frame plate; the lower part of the first gathering plate is connected with a first connecting block and a second connecting block in sequence; the second connecting block is rotatably connected with the winding roller; the winding roller is rotatably connected with the first connecting block; the integrated moving plate is connected with the third screw rod; the collection moving plate is connected with a third limiting slide bar.

7. The automatic positioning type lithium battery welding and assembling device as claimed in claim 6, wherein the first hollow operating column comprises a column body, a third electric slide rail, an electric slide seat and an electric saw blade; the column body is connected with a third electric slide rail; the third electric sliding rail is in sliding connection with the electric sliding seat; the electric sliding seat is rotationally connected with the electric saw blade; the cylinder is connected with first electronic slide rail.

8. The automatic positioning type lithium battery welding and assembling device as claimed in claim 7, wherein the first arc-shaped clamp is provided with a rubber pad on an inner surface thereof.

9. The automatic positioning type lithium battery welding and assembling device as claimed in claim 8, wherein both sides of the inside of the groove above the first hollow operating post are provided with inclined surfaces.