CN111482738A - Multidirectional adjustment welding process for realizing series connection of positive electrodes of lithium batteries - Google Patents
Multidirectional adjustment welding process for realizing series connection of positive electrodes of lithium batteries Download PDFInfo
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- CN111482738A CN111482738A CN202010375356.9A CN202010375356A CN111482738A CN 111482738 A CN111482738 A CN 111482738A CN 202010375356 A CN202010375356 A CN 202010375356A CN 111482738 A CN111482738 A CN 111482738A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a multidirectional adjustment welding process for realizing series connection of positive electrodes of lithium batteries, which comprises the following steps of: after a plurality of lithium batteries are orderly stacked in the clamping area of the clamping assembly, the power component operates and drives the area of the clamping assembly to be reduced, and then the lithium batteries are clamped; the conveying mechanism conveys the clamping mechanism to a position below the mounting bracket; the lifting motor operates to enable the spot welding mechanism to do descending motion, the feeding motor operates to enable the spot welding mechanism to do motion close to the clamping assembly, and the spot welding end of the spot welding mechanism is located right above the lithium battery pack in a matching mode; the spot welding mechanism, the feeding motor and the conveying mechanism are matched to operate to perform fixed spot welding on the plurality of lithium batteries; after spot welding is finished, the feeding motor/the lifting motor reversely operates to enable the spot welding mechanism to be far away from the clamping assembly, and the conveying mechanism reversely operates to enable the clamping mechanism to be recovered to the original position; the power component runs reversely to increase the area of a clamping area of the clamping assembly, so that the clamping of the lithium battery pack is cancelled, and the working personnel take out the lithium battery pack.
Description
Technical Field
The invention relates to the field of battery spot welding, in particular to a spot welding fixing method for a lithium battery pack.
Background
Along with the exhaustion of resources and the deterioration of environment, the development trend of future energy of the solar battery is better and better, the energy storage mode of the solar battery is mainly realized by lithium batteries at present, the energy storage capacity of a single lithium battery is limited, and the required power for normal operation of different electric appliances is different, so that a plurality of lithium batteries are required to be connected in series or in parallel to form a lithium battery pack according to the actual condition so as to obtain the corresponding electric quantity or output voltage, generally, an aluminum strip is welded on the positive electrodes of a plurality of single lithium batteries during production, most of the lithium batteries are manually fixed by a manual spot welding machine held by workers at present, the mode not only increases the working strength of workers, but also has low working efficiency, poor product quality and larger potential safety hazard, therefore, the invention needs to provide a lithium battery pack spot welding device which can automatically fix a plurality of lithium battery packs by spot welding, in the spot welding process, the staff only need with a plurality of lithium cells neatly put things in good order to fixture's clamping area in and with the spot welding lithium cell group that finishes take out can, the centre gripping of lithium cell, carry, spot welding process full automatization, not only greatly reduced staff's intensity of labour, still improved staff's work efficiency to alone operate can, practiced thrift the human cost.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a spot welding fixing method for a lithium battery pack, which can automatically perform spot welding fixing on a plurality of lithium battery packs, wherein in the spot welding process, a worker only needs to orderly stack a plurality of lithium batteries into a clamping area of a clamping mechanism and take out the lithium battery packs subjected to spot welding, the clamping, conveying and spot welding processes of the lithium batteries are fully automatic, the labor intensity of the worker is greatly reduced, the working efficiency of the worker is improved, and the labor cost is saved as long as the worker operates the spot welding fixing method.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The multidirectional adjustment welding process for realizing the series connection of the positive electrodes of the lithium batteries comprises the following steps:
a clamping stage;
s1: a worker orderly stacks a plurality of lithium batteries in a lithium battery clamping device arranged on the upper end face of the console;
the lithium battery clamping device comprises a conveying mechanism and a clamping mechanism, wherein the conveying mechanism is arranged on the upper end face of the console and is used for drawing the clamping mechanism to move;
the clamping mechanism comprises a fixed support, a clamping component and a power component, the fixed support is of a hollow square annular frame structure, the central line of the fixed support is vertically arranged, the fixed support is fixedly connected with the conveying end of the conveying mechanism, the clamping component comprises a clamping assembly and a driving assembly, the clamping assembly comprises a clamping plate, the clamping plate is vertically arranged in the fixed support, the clamping plate is provided with four groups of clamping plates, the four groups of clamping plates jointly form a clamping area, the clamping area is of a square structure, the central line of the clamping area and the central line of the fixed support are located on the same vertical straight line, and the clamping area and the fixed support are arranged in a shape of a circle;
the driving assemblies comprise four groups of driving assemblies correspondingly, when the four groups of driving assemblies synchronously displace along the self extending direction, the area of a clamping area of the clamping assembly can be changed, and the clamping area always keeps a square structure;
the power component is used for driving the four groups of driving assemblies to synchronously displace along the self axial direction;
after a plurality of lithium batteries are orderly stacked in a clamping area of a clamping assembly by a worker, a power member starts to operate and drives clamping screw rods of four groups of driving assemblies to synchronously displace along the self axial direction, the clamping screw rods move and pull a clamping plate to synchronously move, so that the area of the clamping assembly is reduced, and the power member stops operating until the lithium batteries are clamped;
s2: the conveying mechanism operates and conveys the clamping mechanism to the position below the lithium battery spot welding device;
the lithium battery spot welding device comprises a feeding mechanism and a spot welding mechanism, wherein the feeding mechanism comprises a lifting component and a feeding component, the lifting component comprises a lifting motor, a lifting screw rod, lifting guide rods, a mounting bracket and a push-pull bracket, the lifting motor is vertically fixed on a control console, the lifting screw rod is coaxially and fixedly connected with the power output end of the lifting motor through a coupler, the lifting guide rods are vertically fixed on the control console, two groups of lifting guide rods are arranged on the lifting guide rods, the mounting bracket is movably connected with the lifting guide rods to form sliding guide fit, the mounting bracket is also positioned above the conveying mechanism, the push-pull bracket is fixed at the bottom of the mounting bracket, and the push-pull bracket is arranged outside the;
the feeding component comprises a feeding motor, a feeding screw rod and feeding guide rods, wherein an output shaft of the feeding motor is axially parallel to the ground and is perpendicular to the conveying direction of the conveying mechanism, the feeding motor is fixed on the mounting bracket, the feeding screw rod is coaxially and fixedly connected with a power output end of the feeding motor through a coupler, the feeding screw rod is movably mounted on the mounting bracket, the feeding screw rod can rotate around the self axial direction, the guiding direction of the feeding guide rods is parallel to the axial direction of the feeding screw rod, the feeding guide rods are fixedly mounted on the mounting bracket, and two groups of feeding guide rods are arranged;
the conveying mechanism operates and conveys the lithium battery pack positioned in the clamping area of the clamping mechanism to the position below the mounting bracket;
(II) spot welding;
s3: the spot welding mechanism is movably connected with the feeding guide rod to form sliding guide fit, and is also arranged outside the feeding screw rod through a nut;
the lifting motor and the feeding motor both start to operate, the lifting motor operates to enable the spot welding mechanism to do descending motion, the feeding motor enables the spot welding mechanism to do motion close to the lithium battery in the clamping area of the clamping assembly, and the lifting motor and the feeding motor stop moving after the spot welding end of the spot welding mechanism is located right above the lithium battery pack in a matching mode;
s4: the spot welding mechanism, the feeding motor and the conveying mechanism are matched to operate to carry out fixed spot welding operation on the plurality of lithium batteries, and the plurality of lithium batteries are fixed into a lithium battery pack through spot welding;
s5: after spot welding is finished, the spot welding mechanism stops running, the feeding motor and the lifting motor run reversely at the same time, the spot welding mechanism is far away from a clamping area of the clamping assembly, and the conveying mechanism runs reversely at the same time, and the clamping mechanism is restored to the original position;
s6: the power component moves reversely and makes the clamping area of the clamping assembly grow, so that the clamping assembly withdraws the clamping of the lithium battery pack, the worker takes out the lithium battery pack which is fixed by spot welding and can be subjected to next round of lithium battery spot welding.
The technical scheme is further improved and optimized.
The conveying mechanism comprises a conveying motor and a conveying component, and the conveying motor is horizontally and fixedly arranged on the upper end face of the control platform;
the conveying component comprises a guide rail, a conveying screw rod and a bearing platform, the guide direction of the guide rail is parallel to the axial direction of an output shaft of the conveying motor, the guide rail is fixedly arranged on the upper end face of the control platform, the axial direction of the conveying screw rod is parallel to the axial direction of the output shaft of the conveying motor, a support bracket is arranged on the upper end face of the guide rail, the conveying screw rod is movably arranged on the support bracket, the conveying screw rod can rotate around the self axial direction, the bearing platform is movably connected with the guide rail, the bearing platform and the guide rail form sliding guide fit, the bearing platform is also arranged outside the conveying screw rod through a screw nut, and the conveying screw rod rotates around the self axial direction and can pull the bearing platform to displace along the;
the conveying members are provided with two groups, and the distance direction between the two groups of conveying members is parallel to the ground and is vertical to the axial direction of an output shaft of the conveying motor;
a power transmission piece is arranged between the power output end of the conveying motor and any one of the two groups of conveying screw rods, the power transmission piece is in power connection transmission between the power output end of the conveying motor and the any one of the two groups of conveying screw rods, and a power synchronization piece is arranged between the two groups of conveying screw rods of the conveying members, and the power synchronization piece is in power connection transmission between the two groups of conveying screw rods;
and the fixed supports of the clamping mechanisms are fixedly arranged on the two groups of bearing tables.
The technical scheme is further improved and optimized.
The power transmission piece is a speed reducing belt transmission power transmission structure, and the power synchronization piece is a belt transmission power transmission structure with a transmission ratio of one.
The technical scheme is further improved and optimized.
The power component comprises a clamping motor, a power connecting piece I and a power connecting piece II, the clamping motor is vertically and fixedly arranged on the fixed support, the power connecting piece I is used for receiving the power of the clamping motor and transmitting the power to the power connecting piece II, the power connecting piece II is used for receiving the power and transmitting the power to the clamping screw rod of the driving assembly, and four groups of power connecting pieces II are correspondingly arranged;
the second power connecting piece comprises a first connecting shaft, a second connecting shaft, a driving bevel gear and a driven bevel gear, the first connecting shaft is vertically and movably arranged on the fixed support and can rotate around the axial direction of the first connecting shaft, the second connecting shaft and a clamping screw rod of the corresponding driving assembly are coaxially arranged, the second connecting shaft is movably arranged on the fixed support and can rotate around the axial direction of the second connecting shaft, the second connecting shaft is also coaxially arranged outside the clamping screw rod of the corresponding driving assembly in a threaded mounting mode, and the second connecting shaft rotates around the axial direction of the second connecting shaft and can pull the clamping screw rod to displace along the axial;
the driving bevel gear is coaxially and fixedly arranged outside the first connecting shaft, the driven bevel gear is coaxially and fixedly arranged outside the second connecting shaft, and the driving bevel gear is meshed with the driven bevel gear.
The technical scheme is further improved and optimized.
The first power connecting piece comprises a driving belt wheel, pressing belt wheels, driven belt wheels and a conveying belt, wherein the driving belt wheels are coaxially and fixedly arranged outside the power output end of the clamping motor, the pressing belt wheels are vertically and movably arranged on the fixed support and can axially rotate around the pressing belt wheels, two groups of the pressing belt wheels are arranged and are respectively positioned on one side of the clamping motor, the driven belt wheels are coaxially and fixedly arranged outside the first connecting shaft, four groups of the driven belt wheels are correspondingly arranged, and the four groups of the driven belt wheels and the two groups of the pressing belt wheels are both positioned on a square edge line of which the center line is coincident with the center;
the head end of the conveying belt sequentially bypasses the driving belt wheel, the group of pressing belt wheels, the four groups of driven belt wheels and the other group of pressing belt wheels and then is fixedly connected with the head end of the conveying belt to form a closed annular loop.
The technical scheme is further improved and optimized.
The spot welding mechanism comprises a connecting bracket, a guide member, a linkage member and a spot welding machine, wherein the connecting bracket is movably connected with the feeding guide rod, the connecting bracket and the feeding guide rod form sliding guide fit, the connecting bracket is also arranged outside the feeding screw rod through a nut, and the feeding screw rod rotates around the self axial direction and can pull the connecting bracket to displace along the guide direction of the feeding guide rod;
the guide component comprises guide sliding rods, driving blocks, a first buffer spring and a second buffer spring, the guide sliding rods are vertically and movably mounted on the connecting support and can displace along the guide direction of the guide sliding rods, the two groups of guide sliding rods are arranged, the driving blocks are horizontally and movably mounted outside the guide sliding rods, and sliding guide fit is formed between the driving blocks and the guide sliding rods;
the outer part of the guide slide bar is fixedly provided with two groups of collision lantern rings which are respectively an upper collision lantern ring positioned above the driving block and a lower collision lantern ring positioned below the driving block, the upper end surface of the driving block is provided with an upper collision groove coaxially arranged with the guide slide bar, and the lower end surface of the driving block is provided with a lower collision groove coaxially arranged with the guide slide bar;
the buffer spring I is sleeved outside the guide slide bar, one end of the buffer spring I is in contact with the upper abutting lantern ring, the other end of the buffer spring I is in contact with the bottom of the upper abutting groove, the elastic force of the buffer spring I drives the driving block to do descending motion along the guide direction of the guide slide bar, and the buffer spring I is correspondingly provided with two groups, and the upper abutting lantern ring and the upper abutting groove are correspondingly provided with two groups;
buffer spring two set locate the outside of direction slide bar, buffer spring two one end with conflict the lantern ring contact down, the other end with conflict groove tank bottom contact down, buffer spring two elasticity orders about the drive block and is the rising movement along the direction of guidance slide bar's guidance direction, buffer spring two corresponds to be provided with two sets ofly and conflict the lantern ring down, conflict the groove all to correspond down and be provided with two sets ofly.
The technical scheme is further improved and optimized.
The linkage component comprises a driving motor, a linkage block and a linkage rod, the axial direction of an output shaft of the driving motor is parallel to the axial direction of an output shaft of the feeding motor, the driving motor is fixedly arranged on the connecting bracket, and the linkage block is eccentrically and fixedly arranged at the power output end of the driving motor;
the driving block is provided with a linkage hole, the guiding direction of the linkage hole is parallel to the axial direction of an output shaft of the conveying motor, the extending direction of the linkage rod is parallel to the axial direction of the output shaft of the driving motor, one end of the linkage rod is fixedly connected with the free end of the linkage block, the other end of the linkage rod is positioned in the linkage hole, and the linkage rod and the linkage hole form sliding guide fit.
The technical scheme is further improved and optimized.
The spot welding machine is fixedly arranged at the bottom ends of the two groups of guide sliding rods.
Compared with the prior art, the spot welding fixture has the advantages that spot welding fixing can be automatically carried out on the plurality of lithium battery packs, in the spot welding process, a worker only needs to orderly stack the plurality of lithium batteries into the clamping area of the clamping mechanism and take out the spot-welded lithium battery packs, the clamping, conveying and spot welding processes of the lithium batteries are fully automatic, the labor intensity of the worker is greatly reduced, the working efficiency of the worker is improved, and the spot welding fixture can be operated by one person, so that the labor cost is saved; in the lithium battery clamping process, the clamping mechanism adopts a square clamping mode, the lithium batteries subjected to spot welding at one time can be stably clamped no matter how many the lithium batteries are, the clamping effect is better, and the applicability is wider; in the spot welding process of the lithium battery, the existence of the first buffer spring/the second buffer spring in the spot welding mechanism can effectively avoid the occurrence of accidents caused by damage of the lithium battery due to deviation in the spot welding process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural diagram of a lithium battery clamping device and a lithium battery spot welding device according to the present invention.
Fig. 4 is a schematic structural diagram of a lithium battery clamping device according to the present invention.
Fig. 5 is a schematic structural diagram of the conveying mechanism of the present invention.
Fig. 6 is a schematic structural diagram of the clamping mechanism of the present invention.
Fig. 7 is a schematic structural diagram of the clamping mechanism of the present invention.
Fig. 8 is a schematic view of the internal structure of the clamping mechanism of the present invention.
FIG. 9 is a schematic structural diagram of a driving assembly and a clamping plate according to the present invention.
FIG. 10 is a schematic view of the clamping assembly of the present invention.
Fig. 11 is a schematic structural diagram of a power member and four sets of driving assemblies according to the present invention.
Fig. 12 is a schematic structural view of the clamping screw rod and the power connecting piece II of the invention.
Fig. 13 is a schematic structural view of a spot welding apparatus for a lithium battery according to the present invention.
Fig. 14 is a schematic structural view of the lifting member of the present invention.
Fig. 15 is a schematic view of the structure of the feeding member of the present invention.
Fig. 16 is a schematic view of the feed member of the present invention in cooperation with a spot welding mechanism.
Fig. 17 is a schematic structural view of a spot welding mechanism of the present invention.
Fig. 18 is a partial structural view of the spot welding mechanism of the present invention.
Fig. 19 is a cross-sectional matching view of the driving block and the interlocking member of the present invention.
Fig. 20 is a cross-sectional view of a guide member of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The multidirectional adjustment welding process for realizing the series connection of the positive electrodes of the lithium batteries comprises the following steps:
a clamping stage;
s1: a worker orderly stacks a plurality of lithium batteries in the lithium battery clamping device 200 arranged on the upper end face of the console 100;
the lithium battery clamping device 200 comprises a conveying mechanism 210 and a clamping mechanism 220, wherein the conveying mechanism 210 is arranged on the upper end surface of the console 100, and the conveying mechanism 210 is used for drawing the clamping mechanism 220 to move;
the clamping mechanism 220 comprises a fixed support, a clamping component and a power component, the fixed support is a hollow square annular frame structure, the central line of the fixed support is vertically arranged, the fixed support is fixedly connected with the conveying end of the conveying mechanism 210, the clamping component comprises a clamping assembly and a driving assembly, the clamping assembly comprises a clamping plate 221, the clamping plate 221 is vertically arranged in the fixed support, the clamping plate 221 is provided with four groups of clamping plates 221 to jointly form a clamping area, the clamping area is of a square structure, the central line of the clamping area and the central line of the fixed support are located on the same vertical straight line, and the clamping area and the fixed support are arranged in a shape of a circle;
the driving assembly comprises a clamping guide rod 222 and a clamping screw rod 223, the clamping guide rod 222 and the clamping screw rod 223 are movably mounted at the right angle of the fixed support, the extending directions of the clamping guide rod 222 and the clamping screw rod 223 are parallel to the diagonal extending direction of the fixed support at the right angle, the clamping guide rod 222 can displace along the extending direction of the clamping guide rod 222, the clamping screw rod 223 can displace along the axial direction of the clamping guide rod 223, one end of each of the clamping guide rod 222 and the clamping screw rod 223 is fixedly connected with the corresponding clamping plate 221, the other end of each of the clamping guide rod 222 and the clamping screw rod 223 penetrates through the fixed support and is located outside the fixed support, four groups of driving assemblies are correspondingly arranged, and when the four groups of driving assemblies synchronously displace along the extending direction of the driving assemblies;
the power component is used for driving the four groups of driving assemblies to synchronously displace along the self axial direction;
after a plurality of lithium batteries are orderly stacked in the clamping area of the clamping assembly by a worker, the power member starts to operate and drives the clamping screw rods 223 of the four groups of driving assemblies to synchronously displace along the self axial direction, the clamping screw rods 223 move and pull the clamping plates 221 to synchronously move, so that the area of the clamping assembly is reduced, and the power member stops operating until the lithium batteries are clamped;
s2: the conveying mechanism 210 operates and conveys the clamping mechanism 220 to the lower part of the lithium battery spot welding device 200;
the lithium battery spot welding device 300 comprises a feeding mechanism 310 and a spot welding mechanism 320, wherein the feeding mechanism 310 comprises a lifting component and a feeding component, the lifting component comprises a lifting motor 311, a lifting screw 312, lifting guide rods 313, a mounting bracket 314 and a push-pull bracket 315, the lifting motor 311 is vertically fixed on the console 100, the lifting screw 312 and the power output end of the lifting motor 311 are coaxially and fixedly connected through a coupler, the lifting guide rods 313 are vertically fixed on the console 100, the lifting guide rods 313 are arranged in two groups, the mounting bracket 314 is movably connected with the lifting guide rods 313 to form sliding guide fit, the mounting bracket 314 is also positioned above the conveying mechanism 210, the push-pull bracket 315 is fixed at the bottom of the mounting bracket 314, and the push-pull bracket 315 is mounted outside the lifting screw 312 through a nut;
the feeding member comprises a feeding motor 316, a feeding screw rod 317 and feeding guide rods 318, the axial direction of an output shaft of the feeding motor 316 is parallel to the ground and is perpendicular to the conveying direction of the conveying mechanism 210, the feeding motor 316 is fixed on the mounting bracket 314, the feeding screw rod 317 and the power output end of the feeding motor 316 are coaxially and fixedly connected through a coupler, the feeding screw rod 317 is further movably mounted on the mounting bracket 314, the feeding screw rod 317 can rotate around the axial direction of the feeding screw rod 317, the guiding direction of the feeding guide rods 318 is parallel to the axial direction of the feeding screw rod 317, the feeding guide rods 318 are fixedly mounted on the mounting bracket 314, and two groups of feeding guide rods;
the conveying mechanism 210 operates and conveys the lithium battery pack located in the clamping area of the clamping mechanism 220 to the position below the mounting bracket 314;
(II) spot welding;
s3: the spot welding mechanism 320 is movably connected with the feeding guide rod 318 to form sliding guide fit, and the spot welding mechanism 320 is also arranged outside the feeding screw rod 317 through a nut;
the lifting motor 311 and the feeding motor 316 both start to operate, the lifting motor 311 operates to enable the spot welding mechanism 320 to do descending motion, the feeding motor 316 enables the spot welding mechanism 320 to do motion close to the lithium battery in the clamping area of the clamping assembly, and the lifting motor 311 and the feeding motor 316 stop moving after the spot welding end of the spot welding mechanism 320 is located right above the lithium battery pack in a matching mode;
s4: the spot welding mechanism 320, the feeding motor 316 and the conveying mechanism 210 are matched to operate to perform fixed spot welding operation on a plurality of lithium batteries, and the lithium batteries are fixed into a lithium battery pack through spot welding;
s5: after spot welding is finished, the spot welding mechanism 320 stops running, meanwhile, the feeding motor 316 and the lifting motor 311 run reversely, the spot welding mechanism 320 is far away from the clamping area of the clamping assembly, and meanwhile, the conveying mechanism 210 runs reversely, and the clamping mechanism 220 is recovered to the original position;
s6: the power component moves reversely and makes the clamping area of the clamping assembly grow, so that the clamping assembly withdraws the clamping of the lithium battery pack, the worker takes out the lithium battery pack which is fixed by spot welding and can be subjected to next round of lithium battery spot welding.
Square self-centering combination lithium cell group spot welder, it includes control cabinet 100, lithium cell clamping device 200, lithium cell spot welding device 300, control cabinet 100 horizontal installation is on ground and lithium cell clamping device 200 and lithium cell spot welding device 300 are all installed on control cabinet 100, lithium cell clamping device 200 is used for carrying out the centre gripping to the lithium cell and carries the lithium cell to the spot welding district below of battery spot welding device 300, battery spot welding device 300 is used for carrying out spot welding to the lithium cell and handles and make a plurality of lithium cell fixation of group for the lithium cell group.
The lithium battery clamping device 200 comprises a conveying mechanism 210 and a clamping mechanism 220, wherein the conveying mechanism 210 is used for drawing the clamping mechanism 220 to displace, and the clamping mechanism 220 is used for clamping the lithium battery.
The conveying mechanism 210 includes a conveying motor 211 and a conveying member, and the conveying motor 211 is horizontally and fixedly mounted on the upper end surface of the console 100.
The conveying member comprises a guide rail 212, a conveying screw rod 213 and a supporting platform 214, the guiding direction of the guide rail 212 is parallel to the axial direction of an output shaft of the conveying motor 211, the guide rail 212 is fixedly installed on the upper end face of the control console 100, the axial direction of the conveying screw rod 213 is parallel to the axial direction of the output shaft of the conveying motor 211, a supporting bracket is arranged on the upper end face of the guide rail 212, the conveying screw rod 213 is movably installed on the supporting bracket, the conveying screw rod 213 can rotate around the axial direction of the conveying screw rod, the supporting platform 214 is movably connected with the guide rail 212, sliding guide fit is formed between the supporting platform 214 and the guide rail 212, the supporting platform 214 is further installed outside the conveying screw rod 213 through a screw nut, and the conveying screw rod 213 rotates around the axial direction of the conveying screw rod 213 and.
The conveying members are provided with two groups, and the distance direction between the two groups of conveying members is parallel to the ground and perpendicular to the axial direction of the output shaft of the conveying motor 211.
A power transmission part 215 is arranged between the power output end of the conveying motor 211 and any one of the two groups of conveying screw rods 213, the power transmission part 215 is in power connection transmission between the two groups of conveying screw rods 213, a power synchronization part 216 is arranged between the two groups of conveying screw rods 213, and the power synchronization part 216 is in power connection transmission between the two groups of conveying screw rods 213 through the power synchronization part 216.
The working process of the conveying mechanism 210 is specifically as follows: the conveying motor 211 runs and pulls the conveying screw rods 213 of the two groups of conveying members to rotate around the axial direction of the conveying screw rods 213 through the matching of the power transmission piece 215 and the power synchronization piece 216, the rotation direction of the conveying screw rods 213 is the same, and the conveying screw rods 213 rotate and pull the supporting platform 214 to displace along the guiding direction of the guiding track 212.
The clamping mechanism 220 is installed on the two groups of bearing platforms 214, the clamping mechanism 220 comprises a fixed support, a clamping component and a power component, the fixed support is of a hollow square annular frame structure, the fixed support is fixedly installed on the two groups of bearing platforms 214, the central lines of the fixed support are vertically arranged, the clamping component is used for clamping the lithium battery, and the power component is used for driving the clamping component to clamp the lithium battery or cancel clamping of the lithium battery.
The clamping component comprises a clamping assembly and a driving assembly, the clamping assembly comprises a clamping plate 221, the clamping plate 221 is vertically arranged in the fixed support, the clamping plate 221 is provided with four groups of clamping plates 221, the four groups of clamping plates 221 jointly form a clamping area, the clamping area is of a square structure, the central line of the clamping area and the central line of the fixed support are located on the same vertical straight line, and the clamping area and the fixed support are arranged in a shape of a square.
The driving assembly comprises a clamping guide rod 222 and a clamping screw rod 223, wherein the clamping guide rod 222 and the clamping screw rod 223 are movably mounted at the right angle of the fixed support, the extending directions of the clamping guide rod 222 and the clamping screw rod 223 are parallel to the diagonal extending direction of the fixed support at the right angle, the clamping guide rod 222 can displace along the extending direction of the clamping guide rod 222, the clamping screw rod 223 can displace along the axial direction of the clamping guide rod 223, one end of each of the clamping guide rod 222 and the clamping screw rod 223 is fixedly connected with the corresponding clamping plate 221, the other end of each of the clamping guide rod 222 and the clamping screw rod 223 penetrates through the fixed support and is located outside the fixed support, the driving assemblies are correspondingly provided with four groups, and when the four groups of driving assemblies synchronously displace along the extending direction of the four groups of driving assemblies.
The power member comprises a clamping motor 224, a first power connecting piece 225 and a second power connecting piece 226, the clamping motor 224 is vertically and fixedly mounted on the fixed support, the first power connecting piece 225 is used for receiving power of the clamping motor 224 and transmitting the power to the second power connecting piece 226, the second power connecting piece 226 is used for receiving the power and transmitting the power to a clamping screw rod 223 of the driving assembly, and four groups of the second power connecting pieces 226 are correspondingly arranged.
The power connecting piece II 226 comprises a first connecting shaft 2261, a second connecting shaft 2262, a driving bevel gear 2263 and a driven bevel gear 2264, the first connecting shaft 2261 is vertically and movably mounted on the fixed support and can rotate around the axial direction of the first connecting shaft, the second connecting shaft 2262 and a clamping screw 223 of the corresponding driving assembly are coaxially arranged, the second connecting shaft 2262 is movably mounted on the fixed support and can rotate around the axial direction of the second connecting shaft, the second connecting shaft 2262 is further coaxially mounted outside the clamping screw 223 of the corresponding driving assembly in a threaded mounting mode, and the second connecting shaft 2262 rotates around the axial direction of the second connecting shaft and can pull the clamping screw 223 to displace along the axial direction of the second.
The driving bevel gear 2263 is coaxially and fixedly arranged outside the first connecting shaft 2261, the driven bevel gear 2264 is coaxially and fixedly arranged outside the second connecting shaft 2262, and the driving bevel gear 2263 is meshed with the driven bevel gear 2264.
The first power connecting part 225 comprises a driving belt wheel 2251, a pressing belt wheel 2252, driven belt wheels 2253 and a conveying belt 2254, wherein the driving belt wheel 2251 is coaxially and fixedly mounted outside the power output end of the clamping motor 224, the pressing belt wheels 2252 are vertically and movably mounted on the fixed bracket and can rotate around the axial direction of the pressing belt wheels, two sets of the pressing belt wheels 2252 are arranged and are respectively located on one side of the clamping motor 224, the driven belt wheels 2253 are coaxially and fixedly mounted outside the first connecting shaft 2261, and four sets of the driven belt wheels 2253 are correspondingly arranged, and the four sets of the driven belt wheels 2253 and the two sets of the pressing belt wheels 2252 are both located on a square edge line with the center line.
The head end of the conveyor belt 2254 sequentially passes around the driving pulley 2251, the set of pressing pulleys 2252, the four sets of driven pulleys 2253, and the other set of pressing pulleys 2552, and is fixedly connected to the head end of the conveyor belt 2254 to form a closed loop.
The working process of the clamping mechanism 220 is as follows: the clamping motor 224 operates and drives the clamping screw rods 223 of the four groups of driving assemblies to synchronously displace along the self axial direction through the matching of the power connecting piece I225 and the four groups of power connecting pieces II 226, the clamping screw rods 223 move and pull the clamping plate 221 to synchronously move, even if the area of the clamping assembly changes and the clamping area always keeps a square structure, the purpose of clamping or unclamping the lithium battery placed in the clamping area is achieved.
Lithium cell spot welding device 300 include feed mechanism 310, spot welding mechanism 320, feed mechanism 310 is used for providing lift power and feeding power for spot welding mechanism 320 carries out the spot welding in-process for the lithium cell, spot welding mechanism 320 is used for carrying out the spot welding and making the synthetic lithium cell group of a plurality of lithium cell groups to the lithium cell that is located the centre gripping subassembly clamping area.
The feeding mechanism 310 comprises a lifting member and a feeding member, the lifting member comprises a lifting motor 311, a lifting screw 312, a lifting guide rod 313, a mounting bracket 314 and a push-pull bracket 315, the lifting motor 311 is vertically and fixedly mounted on the console 100, the lifting screw 312 and the power output end of the lifting motor 311 are coaxially and fixedly connected through a coupler, the lifting guide rods 313 are vertically and fixedly mounted on the console 100, and the lifting guide rods 313 are provided with two groups.
The mounting bracket 314 and the lifting guide rod 313 are movably connected and form sliding guide fit, the mounting bracket 314 is also positioned above the conveying component, the push-pull bracket 315 is fixedly mounted at the bottom of the mounting bracket 314, the push-pull bracket 315 is also mounted outside the lifting screw 312 through a nut, and the lifting screw 312 rotates around the axial direction of the lifting screw and can pull the push-pull bracket 315 and the mounting bracket 314 to displace along the guiding direction of the lifting guide rod 313.
The feeding member comprises a feeding motor 316, a feeding screw rod 317 and feeding guide rods 318, wherein the axial direction of an output shaft of the feeding motor 316 is parallel to the ground and is perpendicular to the axial direction of a conveying shaft of the conveying motor 211, the feeding motor 316 is fixedly arranged on the mounting bracket 314, the feeding screw rod 317 and a power output end of the feeding motor 316 are coaxially and fixedly connected through a coupler, the feeding screw rod 317 is further movably arranged on the mounting bracket 314, the feeding screw rod 317 can rotate around the axial direction of the feeding screw rod 317, the guiding direction of the feeding guide rods 318 is parallel to the axial direction of the feeding screw rod 317, the feeding guide rods 318 are fixedly arranged on the mounting bracket 314, and two groups of the.
The working process of the feeding mechanism 310 is specifically as follows: the lifting motor 311 runs and pulls the lifting screw 312 to rotate around the self axial direction, the lifting screw 312 rotates and pulls the push-pull bracket 315 and the mounting bracket 314 to displace along the guiding direction of the lifting guide rod 313, and the height of the feeding component can be controlled by controlling the running condition of the lifting motor 311.
The spot welding mechanism 320 comprises a connecting bracket 321, a guide member, a linkage member and a spot welding machine 329, wherein the connecting bracket 321 is movably connected with the feeding guide rod 318, the connecting bracket 321 and the feeding guide rod 318 form sliding guide fit, the connecting bracket 321 is also arranged outside the feeding screw rod 317 through a nut, and the feeding screw rod 317 rotates around the self axial direction and can pull the connecting bracket 321 to displace along the guide direction of the feeding guide rod 318.
The guide component comprises a guide sliding rod 322, a driving block 323, a first buffer spring 327 and a second buffer spring 328, the guide sliding rod 322 is vertically and movably mounted on the connecting support 321 and can move along the guide direction of the guide sliding rod, two groups of guide sliding rods 322 are arranged, the driving block 323 is horizontally and movably mounted outside the guide sliding rod 322, and sliding guide matching is formed between the guide sliding rod 322 and the guide sliding rod.
The fixed conflict lantern ring that is provided with in outside of direction slide bar 322, the conflict lantern ring be provided with two sets ofly and be the lower conflict lantern ring that is located the upper conflict lantern ring of drive block 323 top, is located the drive block 323 below respectively, the up end of drive block 323 be provided with the coaxial last conflict groove of arranging of direction slide bar 322, the lower terminal surface of drive block 323 be provided with the coaxial lower conflict groove of arranging of direction slide bar 322.
The first buffer spring 327 is sleeved outside the guide slide bar 322, one end of the first buffer spring 327 is in contact with the upper abutting lantern ring, the other end of the first buffer spring 327 is in contact with the bottom of the upper abutting groove, the elastic force of the first buffer spring 327 drives the driving block 323 to do descending motion along the guide direction of the guide slide bar 322, and the first buffer spring 327 is correspondingly provided with two groups and the upper abutting lantern ring and the upper abutting groove are correspondingly provided with two groups.
The second buffer spring 328 is sleeved outside the guide slide bar 322, one end of the second buffer spring 328 is in contact with the lower abutting lantern ring, the other end of the second buffer spring 328 is in contact with the bottom of the lower abutting groove, the driving block 323 is driven by the elastic force of the second buffer spring 328 to move upwards along the guide direction of the guide slide bar 322, and the second buffer spring 328 is correspondingly provided with two groups and two groups of lower abutting lantern rings and two groups of lower abutting grooves are correspondingly provided.
The spot welding machine 329 is fixedly arranged at the bottom ends of the two groups of guide sliding rods 322; the spot welder 329 is a conventional spot welding technique and will not be described in detail herein.
The linkage component comprises a driving motor 324, a linkage block 325 and a linkage rod 326, wherein the axial direction of the output shaft of the driving motor 324 is parallel to the axial direction of the output shaft of the feeding motor 316, the driving motor 324 is fixedly arranged on the connecting bracket 321, and the linkage block 325 is eccentrically and fixedly arranged at the power output end of the driving motor 324.
The driving block 323 is provided with a linkage hole, the guiding direction of the linkage hole is parallel to the axial direction of the output shaft of the conveying motor 211, the extending direction of the linkage rod 326 is parallel to the axial direction of the output shaft of the driving motor 324, one end of the linkage rod 326 is fixedly connected with the free end of the linkage block 325, the other end is positioned in the linkage hole, and the linkage rod 326 and the linkage hole form sliding guide fit.
The working process of the spot welding mechanism 320 is specifically as follows: the driving motor 324 operates and pulls the linkage block 325 to rotate axially around the output shaft of the driving motor 324, the linkage block 325 rotates and drives the driving block 323 to do lifting reciprocating motion through the cooperation between the linkage rod 326 and the linkage hole arranged on the driving block 323, in addition, the driving motor 324 operates for a period, the driving block 323 performs the lifting reciprocating motion once, the driving block 323 moves and drives the guide sliding rod 322 to perform synchronous motion through the cooperation of the buffer spring I/II, the guide sliding rod 323 moves and pulls the spot welding machine 329 to perform synchronous motion, and further, the spot welding operation is completed.
During actual work, after a plurality of lithium batteries are orderly stacked in a clamping area of the clamping assembly by a worker, the clamping motor 224 runs and drives the clamping screw rods 223 of the four groups of driving assemblies to synchronously displace along the self axial direction through the matching of the power connecting piece I225 and the four groups of power connecting pieces II 226, the clamping screw rods 223 move and pull the clamping plates 221 to synchronously move, so that the area of the clamping assembly is reduced, and the clamping motor 224 stops running until the lithium batteries are clamped;
then, the conveying motor 211 runs, and pulls the conveying screw rods 213 of the two groups of conveying members to rotate around the self axial direction and rotate in the same direction through the matching of the power transmission piece 215 and the power synchronization piece 216, the conveying screw rods 213 rotate and pull the supporting platform 214 to displace along the guiding direction of the guiding track 212, so that the clamping area of the clamping assembly is positioned under the mounting bracket 314, and even if the lithium battery pack in the clamping area of the clamping assembly is positioned under the mounting bracket 314, the conveying motor 211 stops moving;
then, the lifting motor 311 and the feeding motor 316 both start to operate, the lifting motor 311 operates to enable the spot welding mechanism 320 to do descending motion, the feeding motor 316 enables the spot welding mechanism 320 to do motion close to the lithium battery in the clamping area of the clamping assembly, and after the spot welding end of the spot welding machine 329 is located right above the lithium battery pack through cooperation of the lifting motor 311 and the feeding motor 316, the lifting motor 311 and the feeding motor 316 stop moving;
then, the driving motor 324, the feeding motor 316 and the conveying motor 211 are matched to operate to perform fixed spot welding operation on a plurality of lithium batteries, and the plurality of lithium batteries are fixed into a lithium battery pack through spot welding;
after spot welding, the driving motor 324 stops running, meanwhile, the feeding motor 316 and the lifting motor 311 run in reverse directions, the spot welding machine 329 is far away from the clamping area of the clamping assembly, the conveying motor 211 runs in reverse directions, and the clamping mechanism 220 is restored to the original position;
then, centre gripping motor 224 reverse operation makes the grip area grow of centre gripping subassembly, and then makes the centre gripping subassembly withdraw the centre gripping to the lithium cell, and the staff takes out the fixed lithium cell that finishes of spot welding, afterwards, can carry out the lithium cell spot welding of next round.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The multidirectional adjustment welding process for realizing the series connection of the positive electrodes of the lithium batteries comprises the following steps:
a clamping stage;
s1: a worker orderly stacks a plurality of lithium batteries in a lithium battery clamping device arranged on the upper end face of the console;
the lithium battery clamping device comprises a conveying mechanism and a clamping mechanism, wherein the conveying mechanism is arranged on the upper end face of the console and is used for drawing the clamping mechanism to move;
the clamping mechanism comprises a fixed support, a clamping component and a power component, the fixed support is of a hollow square annular frame structure, the central line of the fixed support is vertically arranged, the fixed support is fixedly connected with the conveying end of the conveying mechanism, the clamping component comprises a clamping assembly and a driving assembly, the clamping assembly comprises a clamping plate, the clamping plate is vertically arranged in the fixed support, the clamping plate is provided with four groups of clamping plates, the four groups of clamping plates jointly form a clamping area, the clamping area is of a square structure, the central line of the clamping area and the central line of the fixed support are located on the same vertical straight line, and the clamping area and the fixed support are arranged in a shape of a circle;
the driving assemblies comprise four groups of driving assemblies correspondingly, when the four groups of driving assemblies synchronously displace along the self extending direction, the area of a clamping area of the clamping assembly can be changed, and the clamping area always keeps a square structure;
the power component is used for driving the four groups of driving assemblies to synchronously displace along the self axial direction;
after a plurality of lithium batteries are orderly stacked in a clamping area of a clamping assembly by a worker, a power member starts to operate and drives clamping screw rods of four groups of driving assemblies to synchronously displace along the self axial direction, the clamping screw rods move and pull a clamping plate to synchronously move, so that the area of the clamping assembly is reduced, and the power member stops operating until the lithium batteries are clamped;
s2: the conveying mechanism operates and conveys the clamping mechanism to the position below the lithium battery spot welding device;
the lithium battery spot welding device comprises a feeding mechanism and a spot welding mechanism, wherein the feeding mechanism comprises a lifting component and a feeding component, the lifting component comprises a lifting motor, a lifting screw rod, lifting guide rods, a mounting bracket and a push-pull bracket, the lifting motor is vertically fixed on a control console, the lifting screw rod is coaxially and fixedly connected with the power output end of the lifting motor through a coupler, the lifting guide rods are vertically fixed on the control console, two groups of lifting guide rods are arranged on the lifting guide rods, the mounting bracket is movably connected with the lifting guide rods to form sliding guide fit, the mounting bracket is also positioned above the conveying mechanism, the push-pull bracket is fixed at the bottom of the mounting bracket, and the push-pull bracket is arranged outside the;
the feeding component comprises a feeding motor, a feeding screw rod and feeding guide rods, wherein an output shaft of the feeding motor is axially parallel to the ground and is perpendicular to the conveying direction of the conveying mechanism, the feeding motor is fixed on the mounting bracket, the feeding screw rod is coaxially and fixedly connected with a power output end of the feeding motor through a coupler, the feeding screw rod is movably mounted on the mounting bracket, the feeding screw rod can rotate around the self axial direction, the guiding direction of the feeding guide rods is parallel to the axial direction of the feeding screw rod, the feeding guide rods are fixedly mounted on the mounting bracket, and two groups of feeding guide rods are arranged;
the conveying mechanism operates and conveys the lithium battery pack positioned in the clamping area of the clamping mechanism to the position below the mounting bracket;
(II) spot welding;
s3: the spot welding mechanism is movably connected with the feeding guide rod to form sliding guide fit, and is also arranged outside the feeding screw rod through a nut;
the lifting motor and the feeding motor both start to operate, the lifting motor operates to enable the spot welding mechanism to do descending motion, the feeding motor enables the spot welding mechanism to do motion close to the lithium battery in the clamping area of the clamping assembly, and the lifting motor and the feeding motor stop moving after the spot welding end of the spot welding mechanism is located right above the lithium battery pack in a matching mode;
s4: the spot welding mechanism, the feeding motor and the conveying mechanism are matched to operate to carry out fixed spot welding operation on the plurality of lithium batteries, and the plurality of lithium batteries are fixed into a lithium battery pack through spot welding;
s5: after spot welding is finished, the spot welding mechanism stops running, the feeding motor and the lifting motor run reversely at the same time, the spot welding mechanism is far away from a clamping area of the clamping assembly, and the conveying mechanism runs reversely at the same time, and the clamping mechanism is restored to the original position;
s6: the power component moves reversely and makes the clamping area of the clamping assembly grow, so that the clamping assembly withdraws the clamping of the lithium battery pack, the worker takes out the lithium battery pack which is fixed by spot welding and can be subjected to next round of lithium battery spot welding.
2. The multidirectional adjusting welding process for realizing the series connection of the positive electrodes of the lithium batteries as in claim 1, wherein the conveying mechanism comprises a conveying motor and a conveying component, and the conveying motor is horizontally and fixedly arranged on the upper end face of the control console;
the conveying component comprises a guide rail, a conveying screw rod and a bearing platform, the guide direction of the guide rail is parallel to the axial direction of an output shaft of the conveying motor, the guide rail is fixedly arranged on the upper end face of the control platform, the axial direction of the conveying screw rod is parallel to the axial direction of the output shaft of the conveying motor, a support bracket is arranged on the upper end face of the guide rail, the conveying screw rod is movably arranged on the support bracket, the conveying screw rod can rotate around the self axial direction, the bearing platform is movably connected with the guide rail, the bearing platform and the guide rail form sliding guide fit, the bearing platform is also arranged outside the conveying screw rod through a screw nut, and the conveying screw rod rotates around the self axial direction and can pull the bearing platform to displace along the;
the conveying members are provided with two groups, and the distance direction between the two groups of conveying members is parallel to the ground and is vertical to the axial direction of an output shaft of the conveying motor;
a power transmission piece is arranged between the power output end of the conveying motor and any one of the two groups of conveying screw rods, the power transmission piece is in power connection transmission between the power output end of the conveying motor and the any one of the two groups of conveying screw rods, and a power synchronization piece is arranged between the two groups of conveying screw rods of the conveying members, and the power synchronization piece is in power connection transmission between the two groups of conveying screw rods;
and the fixed supports of the clamping mechanisms are fixedly arranged on the two groups of bearing tables.
3. The multidirectional adjustment welding process for realizing the series connection of the positive electrodes of the lithium batteries as claimed in claim 2, wherein the power transmission piece is a speed reduction belt transmission power transmission structure, and the power synchronization piece is a belt transmission power transmission structure with a transmission ratio of one.
4. The multidirectional adjusting welding process for realizing the series connection of the positive electrodes of the lithium batteries as claimed in claim 1 or 2, wherein the power member comprises a clamping motor, a first power connecting piece and a second power connecting piece, the clamping motor is vertically and fixedly arranged on the fixed support, the first power connecting piece is used for receiving the power of the clamping motor and transmitting the power to the second power connecting piece, the second power connecting piece is used for receiving the power and transmitting the power to a clamping screw rod of the driving assembly, and the second power connecting piece is correspondingly provided with four groups;
the second power connecting piece comprises a first connecting shaft, a second connecting shaft, a driving bevel gear and a driven bevel gear, the first connecting shaft is vertically and movably arranged on the fixed support and can rotate around the axial direction of the first connecting shaft, the second connecting shaft and a clamping screw rod of the corresponding driving assembly are coaxially arranged, the second connecting shaft is movably arranged on the fixed support and can rotate around the axial direction of the second connecting shaft, the second connecting shaft is also coaxially arranged outside the clamping screw rod of the corresponding driving assembly in a threaded mounting mode, and the second connecting shaft rotates around the axial direction of the second connecting shaft and can pull the clamping screw rod to displace along the axial;
the driving bevel gear is coaxially and fixedly arranged outside the first connecting shaft, the driven bevel gear is coaxially and fixedly arranged outside the second connecting shaft, and the driving bevel gear is meshed with the driven bevel gear.
5. The multidirectional adjusting welding process for realizing the series connection of the positive electrodes of the lithium batteries as claimed in claim 4, wherein the first power connecting piece comprises a driving belt wheel, a pressing belt wheel, a driven belt wheel and a conveying belt, the driving belt wheel is coaxially and fixedly arranged outside the power output end of the clamping motor, the pressing belt wheel is vertically and movably arranged on the fixed support and can axially rotate around the pressing belt wheel, two groups of the pressing belt wheels are arranged and are respectively positioned at one side of the clamping motor, the driven belt wheels are coaxially and fixedly arranged outside the first connecting shaft, four groups of the driven belt wheels are correspondingly arranged, and the four groups of the driven belt wheels and the two groups of the pressing belt wheels are both positioned on a square edge line with the;
the head end of the conveying belt sequentially bypasses the driving belt wheel, the group of pressing belt wheels, the four groups of driven belt wheels and the other group of pressing belt wheels and then is fixedly connected with the head end of the conveying belt to form a closed annular loop.
6. The multidirectional adjusting welding process for realizing the series connection of the positive electrodes of the lithium batteries as claimed in claim 2, wherein the spot welding mechanism comprises a connecting bracket, a guide member, a linkage member and a spot welding machine, the connecting bracket is movably connected with the feeding guide rod, the connecting bracket and the feeding guide rod form sliding guide fit, the connecting bracket is further arranged outside the feeding screw rod through a nut, and the feeding screw rod rotates around the axial direction of the feeding screw rod and can pull the connecting bracket to displace along the guide direction of the feeding guide rod;
the guide component comprises guide sliding rods, driving blocks, a first buffer spring and a second buffer spring, the guide sliding rods are vertically and movably mounted on the connecting support and can displace along the guide direction of the guide sliding rods, the two groups of guide sliding rods are arranged, the driving blocks are horizontally and movably mounted outside the guide sliding rods, and sliding guide fit is formed between the driving blocks and the guide sliding rods;
the outer part of the guide slide bar is fixedly provided with two groups of collision lantern rings which are respectively an upper collision lantern ring positioned above the driving block and a lower collision lantern ring positioned below the driving block, the upper end surface of the driving block is provided with an upper collision groove coaxially arranged with the guide slide bar, and the lower end surface of the driving block is provided with a lower collision groove coaxially arranged with the guide slide bar;
the buffer spring I is sleeved outside the guide slide bar, one end of the buffer spring I is in contact with the upper abutting lantern ring, the other end of the buffer spring I is in contact with the bottom of the upper abutting groove, the elastic force of the buffer spring I drives the driving block to do descending motion along the guide direction of the guide slide bar, and the buffer spring I is correspondingly provided with two groups, and the upper abutting lantern ring and the upper abutting groove are correspondingly provided with two groups;
buffer spring two set locate the outside of direction slide bar, buffer spring two one end with conflict the lantern ring contact down, the other end with conflict groove tank bottom contact down, buffer spring two elasticity orders about the drive block and is the rising movement along the direction of guidance slide bar's guidance direction, buffer spring two corresponds to be provided with two sets ofly and conflict the lantern ring down, conflict the groove all to correspond down and be provided with two sets ofly.
7. The multidirectional adjusting welding process for realizing the series connection of the positive electrodes of the lithium batteries as claimed in claim 6, wherein the linkage member comprises a driving motor, a linkage block and a linkage rod, the axial direction of an output shaft of the driving motor is parallel to the axial direction of an output shaft of the feeding motor, the driving motor is fixedly arranged on the connecting bracket, and the linkage block is eccentrically and fixedly arranged at the power output end of the driving motor;
the driving block is provided with a linkage hole, the guiding direction of the linkage hole is parallel to the axial direction of an output shaft of the conveying motor, the extending direction of the linkage rod is parallel to the axial direction of the output shaft of the driving motor, one end of the linkage rod is fixedly connected with the free end of the linkage block, the other end of the linkage rod is positioned in the linkage hole, and the linkage rod and the linkage hole form sliding guide fit.
8. The multidirectional adjustment welding process for realizing the series connection of the positive electrodes of the lithium batteries as claimed in claim 7, wherein the spot welding machine is fixedly arranged at the bottom ends of the two groups of guide sliding rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010375356.9A CN111482738A (en) | 2020-05-07 | 2020-05-07 | Multidirectional adjustment welding process for realizing series connection of positive electrodes of lithium batteries |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010375356.9A CN111482738A (en) | 2020-05-07 | 2020-05-07 | Multidirectional adjustment welding process for realizing series connection of positive electrodes of lithium batteries |
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| CN111482738A true CN111482738A (en) | 2020-08-04 |
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| CN202010375356.9A Withdrawn CN111482738A (en) | 2020-05-07 | 2020-05-07 | Multidirectional adjustment welding process for realizing series connection of positive electrodes of lithium batteries |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008314A (en) * | 2020-08-11 | 2020-12-01 | 谢志全 | Lithium battery spot welding machine with quick fixing and welding mechanism and fixing method thereof |
| CN114538122A (en) * | 2022-02-28 | 2022-05-27 | 安徽中能电源有限公司 | Battery finished product stacking device for storage battery production line |
| CN114566456A (en) * | 2022-04-29 | 2022-05-31 | 深圳市铨天科技有限公司 | Packaging equipment for multilayer stacked storage chips |
| CN115971769A (en) * | 2023-01-31 | 2023-04-18 | 安徽海宏新能源有限公司 | Welding device for lithium battery pack |
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Application publication date: 20200804 |