A butt welding machine and a butt welding method

Abstract

The application discloses a butt welding machine and a butt welding method. The butt welding machine comprises a base, a supporting disc, a rotating disc, a butt welding device, a corner folding device and a pressing device. The supporting disc is arranged on the base. The rotating disc is rotatably arranged on the base. The rotating disc is provided with a plurality of toolings on the circumferential side. The toolings are used for loading batteries. The butt welding device comprises a mounting frame, a first electrode assembly, a second electrode assembly and a cap flow guide module. One end of the mounting frame is connected with the supporting disc. The other end of the mounting frame is connected with the base. The first electrode assembly and the second electrode assembly are both slidably connected with the mounting frame. The cap flow guide module is connected with the mounting frame. The first electrode assembly and the second electrode assembly are arranged on the two sides of the rotating disc respectively. The corner folding device is arranged at the rear work station of the butt welding device. The corner folding device comprises a support, a pushing piece and a limiting piece. The support is connected with the base. The limiting piece is used for pushing the tab of the battery. The pushing piece is used for pushing the cap. The pressing device is used for pressing the cap on the end of the battery.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cylindrical battery processing machines, in particular to a butt welding machine and a butt welding method. BACKGROUND

[0002] A cylindrical battery includes a cylindrical body and a cap, and in the manufacturing process of the cylindrical battery, the cap needs to be welded on the tab of the cylindrical body, and the cap needs to be buckled on the end of the cylindrical body. In the past, the welding was mainly relied on manual welding, which was low in efficiency and large in human error, and inconvenient for production. SUMMARY

[0003] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a butt welding machine which can improve the production efficiency of the battery and ensure the product quality.

[0004] The present application also discloses a butt welding method.

[0005] The butt welding machine according to the first aspect of the present application comprises a base, a support disc, a turntable, a butt welding device, a corner folding device and a pressing device. The support disc is arranged on the base. The turntable is rotatably arranged on the base and is arranged below the support disc. The turntable is coaxially arranged with the support disc. A plurality of toolings are arranged on the circumferential side of the turntable. The toolings are used to load batteries. The turntable is used to drive the toolings to move along the outer ring path of the turntable. The butt welding device comprises a mounting frame, a first electrode assembly, a second electrode assembly and a cap flow guide module. One end of the mounting frame is connected to the support disc, and the other end of the mounting frame is connected to the base. The first electrode assembly and the second electrode assembly are both slidingly connected to the mounting frame. The cap flow guide module is connected to the mounting frame. The first electrode assembly and the second electrode assembly are arranged on both sides of the annular edge of the turntable, respectively. The toolings can pass through the space between the first electrode assembly and the second electrode assembly. The cap flow guide module is used to guide the cap to fall on the tab of the battery on the tooling. The first electrode assembly and the second electrode assembly are used to weld the cap on the tab of the battery. The corner folding device is arranged at the rear station of the butt welding device. The corner folding device comprises a bracket, a push-up sheet and a limiting sheet. The bracket is connected to the base. The push-up sheet and the limiting sheet are both connected to the bracket through a first air cylinder. The limiting sheet is arranged above the push-up sheet. The limiting sheet is used to push against the tab of the battery. The push-up sheet is used to push the cap and buckle the cap on the end of the battery. The pressing device is arranged at the rear station of the corner folding device. The pressing device is used to press the cap to buckle on the end of the battery.

[0006] According to the welding machine, the base and the supporting disc are arranged as the mounting body, the rotating disc, the welding device, the angle folding device and the pressing device are arranged on the annular machining path, the rotating disc carries the tool along one end of the annular path, the first electrode assembly, the second electrode assembly and the cap guiding module on the welding device are matched to weld the cap on the tab of the battery, after the welding is completed, the battery passes through the angle folding device to fold the tab, and then passes through the pressing device to press the cap on the end of the battery, so that the cap assembly of one battery is completed, and the welding and packaging of one cylindrical battery are completed in the stroke of the annular path, compared with manual operation, the production efficiency is improved; in addition, the welding device is simple in structure, the first electrode assembly, the second electrode assembly and the cap guiding module are integrated through the mounting frame, miniaturization and mechanization are realized, the cap guiding module stably supplies the cap, and the welding is ensured to be not missed; the angle folding device is simple in structure, and the better folding effect is realized through the cooperation of the push-up sheet and the limiting sheet.

[0007] According to some embodiments of the present application, the welding device further comprises a vibrating feeder, and an outlet of the vibrating feeder is communicated with the cap guiding module; the vibrating feeder is used for feeding the cap into the cap guiding module; and the vibrating feeder and the cap guiding module are combined to realize stable supply of the cap.

[0008] According to some embodiments of the present application, the mounting frame comprises a first stand, a second stand, a main body frame and a supporting plate; the first stand is arranged on the base; the second stand is arranged on the supporting disc; the main body frame is bridged between the first stand and the second stand; the main body frame is arranged in an inclined manner; the supporting plate is arranged on the main body frame; the first electrode assembly and the second electrode assembly are both slidably connected to the main body frame; the sliding directions of the first electrode assembly and the second electrode assembly are parallel to the inclination direction of the main body frame; and the cap guiding module is arranged on the supporting plate; the mounting frame is simple in structure; the inclination of the main body frame can be adjusted through the first stand and the second stand arranged in a separated manner; and the inclination of the main body frame can be adjusted according to the welding requirement.

[0009] According to some embodiments of the present application, the first electrode assembly and the second electrode assembly each comprise a clamping piece and a driving piece; the clamping piece is slidably connected to the main body frame; the driving piece is arranged on the main body frame; the driving piece is transmissionally connected to the clamping piece; the driving piece is used for driving the clamping piece to slide; the two clamping pieces are respectively used for clamping the corresponding first electrode and second electrode; and the first electrode and the second electrode are used for touching the tab and the cap and making the cap welded on the tab.

[0010] According to some embodiments of the present application, the cap guide module comprises a guide block, a cover plate and a detection piece, the guide block is connected to the support plate, a guide groove is formed in the guide block, the guide groove is communicated with the outlet of the vibrating feeder tray, the cover plate is connected to the guide block, the cover plate covers the guide groove, the cover plate is provided with an observation hole, the detection piece is connected to one end of the guide block away from the cover plate, the detection piece protrudes into the guide groove, the detection piece is electrically connected to the driving piece, and the detection piece is used for detecting the cap in the guide groove. The cover plate can not only limit the movement direction of the cap to prevent the cap from jumping out, but also cooperate with the detection piece to detect whether the cap has arrived, so as to avoid the first electrode assembly and the second electrode assembly from running empty stroke.

[0011] According to some embodiments of the present application, the first stand and the second stand are both provided with a waist-shaped hole extending in the vertical direction, and the two ends of the main body frame are detachably connected to the corresponding waist-shaped holes, and the inclination angle of the main body frame is adjustable.

[0012] According to some embodiments of the present application, the feeding device comprises a feeding track, a first conveying belt and a pushing cylinder, the feeding track comprises a conveying section and a feeding section, the outlet of the feeding section is used for aligning the mounting port of the tooling, the first conveying belt is arranged on the base, the belt surface of the first conveying belt is accommodated in the conveying section, and the first conveying belt is used for conveying the battery to the end of the conveying section, and the pushing cylinder is connected to the feeding section and is used for pushing the battery at the end of the conveying section along the feeding section into the mounting port of the tooling.

[0013] According to some embodiments of the present application, the shaping device and the detection device are further arranged, the shaping device is arranged at the rear work station of the feeding device, the detection device is arranged between the shaping device and the butt welding device, the shaping device is used for flattening the tab on the incoming battery, and the detection device is used for detecting the tab on the battery. The shaping device and the detection device are arranged as pre-devices of butt welding, so that the tab of the battery obtained by feeding can meet the requirements of butt welding after shaping and detection, the detection device cooperates with the cap guide module to realize butt welding operation on the detected good products, and the battery products that are still poor after shaping are directly discharged from the discharge track, the program is simplified and optimized, unnecessary butt welding operation is avoided, the product yield is ensured, and the distinction between good products and poor products is improved.

[0014] According to some embodiments of the present application, the discharging device comprises a plurality of discharging tracks, each of the discharging tracks corresponding to one of the workstations, and a pusher is arranged on the support disc and corresponds to one of the discharging tracks, the pusher being used to push the battery in the corresponding workstation onto the discharging track, and the discharging track is used to discharge the battery.

[0015] According to the second aspect of the present application, a butt welding method is applied to the butt welding machine, and comprises the following steps:

[0016] Loading: the battery with the tab is vertically placed in the loading track, the first conveying belt carries the battery to the end of the conveying section, and then the pusher cylinder pushes the battery along the feeding section into the mounting port of the corresponding tooling for clamping;

[0017] Adjusting: the turntable rotates, the battery on the tooling is also driven to move to the shaping device and the detection device, the shaping device shapes the tab of the battery to make the tab flat, and the shaped battery passes through the detection device, the detection device performs visual detection on the tab, the unqualified battery directly passes through the butt welding device, and the qualified battery is subjected to welding treatment in the butt welding device;

[0018] Butt welding: the qualified battery is driven by the turntable to the first electrode assembly and the second electrode assembly of the butt welding device, then the cap flow guide module flows the cap to the tab of the battery and abuts against the tab, the first electrode assembly and the second electrode assembly approach each other, and the cap is welded to the tab;

[0019] Detecting: after the welding is completed, the welded cap is detected by visual detection;

[0020] Discharging: after the detection is completed, the qualified battery and the unqualified battery are discharged through the corresponding discharging track.

[0021] According to the butt welding method of the embodiment of the present application, at least the following beneficial effects are achieved: the base and the support disc are arranged as the mounting body, the rotating disc, the butt welding device, the corner folding device and the pressing device are concentrated on a circular machining path, the rotating disc carries the tool along one end of the circular path, the first electrode assembly, the second electrode assembly and the cap guide module on the butt welding device cooperate to weld the cap on the tab of the battery, after the welding is completed, the battery passes through the corner folding device to bend the tab, and then passes through the pressing device to press the cap to the end of the battery, so that the cap assembly of one battery is completed, and the welding and packaging of one cylindrical battery are completed in one circular path, compared with manual operation, the production efficiency is improved; in addition, the butt welding device is simple in structure, the first electrode assembly, the second electrode assembly and the cap guide module are integrated together through the mounting frame, miniaturization and mechanization are achieved, the cap guide module stably supplies the cap to ensure that the welding is not missed; the corner folding device is simple in structure, the push-up sheet and the limiting sheet cooperate to achieve better bending effect, the shaping device and the detection device are arranged as the pre-device of the butt welding, so that the tab of the battery obtained through feeding can meet the demand of butt welding after shaping and detection, meanwhile, the detection device cooperates with the cap guide module to realize the butt welding operation on the detected good products, and the battery products that are still not good after shaping are directly discharged from the discharge track, the program is simplified and optimized, unnecessary butt welding operation is avoided, the product yield is ensured, and the distinction degree of good products and bad products is improved.

[0022] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, taken in conjunction with the accompanying drawings, in which:

[0024] Figure 1 The structure diagram of the butt welding machine of the embodiment of the present application Figure 1 ;

[0025] Figure 2 The enlarged view of A in FIG. 1 Figure 1

[0026] Figure 3 The top view of the butt welding machine shown in FIG. 1 Figure 1

[0027] Figure 4 The structure diagram of the butt welding machine of the embodiment of the present application Figure 2 ;

[0028] ​​Figure 5 Fig. 6 is a schematic view of a structure of a clinching device of a clincher shown in Fig. 1. Figure 4 Fig. 7 is an enlarged view of a portion B in Fig. 6.

[0029] Figure 6 Fig. 8 is a schematic view of a structure of a clinching device of a clincher shown in Fig. 1. Figure 1 Fig. 9 is a schematic view of a structure of a clinching device of a clincher shown in Fig. 1.

[0030] Fig. 10 is a schematic view of a structure of a clincher shown in Fig. 1.

[0031] Fig. 11 is a schematic view of a structure of a clincher shown in Fig. 1.

[0032] Fig. 12 is a schematic view of a structure of a clincher shown in Fig. 1.

[0033] Fig. 13 is a schematic view of a structure of a clincher shown in Fig. 1.

[0034] Fig. 14 is a schematic view of a structure of a clincher shown in Fig. 1.

[0035] Fig. 15 is a schematic view of a structure of a clincher shown in Fig. 1.

[0036] Fig. 16 is a schematic view of a structure of a clincher shown in Fig. 1.

[0037] Fig. 17 is a schematic view of a structure of a clincher shown in Fig. 1.

[0038] Fig. 18 is a schematic view of a structure of a clincher shown in Fig. 1.

[0039] Fig. 19 is a schematic view of a structure of a clincher shown in Fig. 1.

[0040] Fig. 20 is a schematic view of a structure of a clincher shown in Fig. 1.

[0041] Fig. 21 is a schematic view of a structure of a clincher shown in Fig. 1.

[0042] Fig. 22 is a schematic view of a structure of a clincher shown in Fig. 1.

[0043] Fig. 23 is a schematic view of a structure of a clincher shown in Fig. 1.

[0044] Fig. 24 is a schematic view of a structure of a clincher shown in Fig. 1. DETAILED DESCRIPTION

[0045] Embodiments of the present application are described in detail below with reference to the attached drawings. The embodiments described below are examples of implementations of the present application and are not intended to limit the present application in any way.

[0046] In the description of the present application, it should be understood that the orientation description, such as the orientation or positional relationship indicated by the upper, lower, front, rear, left, right and the like, is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0047] In the description of the present application, several meanings are one or more, and multiple meanings are two or more. Greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If the first and second are described, they are only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of technical features indicated.

[0048] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting and the like should be broadly understood, and those skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0049] Reference Figures 1 to 6The utility model provides a butt welding machine, including pedestal 100, support tray 200, carousel 300, butt welding device 400, angle folding device 500 and pressing device 600, support tray 200 sets up on pedestal 100, carousel 300 rotatably sets up on pedestal 100, carousel 300 sets up in the below of support tray 200, carousel 300 is coaxial with support tray 200 sets up, and the circumferential side of carousel 300 is provided with a plurality of tooling 310, and tooling 310 is used to load battery 312, and carousel 300 is used to drive tooling 310 moves along the outer ring path of carousel 300, butt welding device 400 includes mounting bracket 410, first electrode assembly 420, second electrode assembly 430 and cap flow guide module 440, one end of mounting bracket 410 is connected support tray 200, the other end of mounting bracket 410 is connected pedestal 100, first electrode assembly 420 and second electrode assembly 430 are both slidingly connected on mounting bracket 410, cap flow guide module 440 is connected on mounting bracket 410, first electrode assembly 420 and second electrode assembly 430 are arranged at the two sides of the annular edge of carousel 300 respectively, and tooling 310 can pass through the space between first electrode assembly 420 and second electrode assembly 430, cap flow guide module 440 is used to guide cap 314 to fall into the tab 313 of battery 312 on tooling 310, and first electrode assembly 420 and second electrode assembly 430 are used to weld cap 314 to the tab 313 of battery 312, angle folding device 500 sets up at the rear station of butt welding device 400, angle folding device 500 includes support 510, push top piece 520 and limit piece 530, support 510 is connected on pedestal 100, push top piece 520 and limit piece 530 are both connected on support 510 through first air cylinder, limit piece 530 sets up in the above of push top piece 520, limit piece 530 is used to prop up the tab 313 of battery 312, push top piece 520 is used to push cap 314 and makes cap 314 buckle at the end of battery 312, pressing device 600 sets up at the rear station of angle folding device 500, and pressing device 600 is used to press cap 314 and buckle at the end of battery 312.

[0050] The base 100 and the support disc 200 are arranged as the mounting body, the rotating disc 300, the butt welding device 400, the corner folding device 500 and the pressing device 600 are concentrated on the annular machining path, the rotating disc 300 carries the tooling 310 along one end of the annular path, the first electrode assembly 420, the second electrode assembly 430 and the cap guiding module 440 on the butt welding device 400 cooperate to weld the cap 314 on the tab 313 of the battery 312, after the welding is completed, the battery 312 passes through the corner folding device 500 to bend the tab 313, and then passes through the pressing device 600 to press the cap 314 to be buckled on the end of the battery 312, so that the cap 314 assembly of one battery 312 is completed, the welding and packaging of one cylindrical battery 312 are completed in the stroke of the annular path, compared with manual operation, the production efficiency is improved; in addition, the simple structure of the butt welding device 400 is arranged, the first electrode assembly 420, the second electrode assembly 430 and the cap guiding module 440 are integrated together through the mounting frame 410, miniaturization and mechanization are achieved, the cap guiding module 440 stably supplies the cap 314, and the welding is guaranteed not to be missed; the corner folding device 500 is simple in structure, and the better bending effect is achieved through the cooperation of the push-up sheet 520 and the limiting sheet 530.

[0051] In some embodiments, the butt welding device 400 further comprises a vibrating feeder 450, an outlet of the vibrating feeder 450 is communicated with the cap guiding module 440, the vibrating feeder 450 is used for sending the cap 314 into the cap guiding module 440, and the vibrating feeder 450 is arranged in combination with the cap guiding module 440 to realize stable supply of the cap 314.

[0052] In some embodiments, the mounting frame 410 comprises a first stand 411, a second stand 412, a main body frame 413 and a support plate 414, the first stand 411 is arranged on the base 100, the second stand 412 is arranged on the support disc 200, the main body frame 413 is bridged between the first stand 411 and the second stand 412, the main body frame 413 is arranged to be inclined, the support plate 414 is arranged on the main body frame 413, the first electrode assembly 420 and the second electrode assembly 430 are both slidingly connected to the main body frame 413, the sliding directions of the first electrode assembly 420 and the second electrode assembly 430 are parallel to the inclination direction of the main body frame 413, and the cap guiding module 440 is arranged on the support plate 414; the mounting frame 410 is simple in structure, the inclination of the main body frame 413 is adjusted through the separately arranged first stand 411 and the second stand 412, and the inclination of the main body frame 413 is adjusted according to the welding needs.

[0053] In some embodiments, the first electrode assembly 420 and the second electrode assembly 430 each include a clamping piece 400a and a driving piece 400b, the clamping piece 400a is slidingly connected to the main frame 413, the driving piece 400b is arranged on the main frame 413, the driving piece 400b is drivingly connected to the clamping piece 400a, the driving piece 400b is used to drive the clamping piece 400a to slide, and the two clamping pieces 400a are respectively used to clamp the corresponding first electrode 400c and the second electrode 400d, the first electrode 400c and the second electrode 400d are used to touch the tab 313 and the cap 314 and make the cap 314 welded on the tab 313, and it can be understood that the driving piece 400b, the turntable 300 and the detection device 800b are all electrically connected to a controller, which can be a PLC or a computer host, and the purpose is to make the turntable 300 rotate a predetermined distance to transfer the qualified product between the first electrode 400c and the second electrode 400d when the qualified battery 312 is detected, and the driving piece 400b drives the first electrode 400c and the second electrode 400d to move towards each other after the battery 312 is in place, so as to weld the cap 314 and the tab 313.

[0054] In some embodiments, the cap flow guide module 440 includes a flow guide block 441, a cover plate 442 and a detection piece 443, the flow guide block 441 is connected to the support plate 414, the flow guide block 441 is provided with a flow guide groove 441a, the flow guide groove 441a is communicated with the outlet of the vibrating feeder 450, the cover plate 442 is connected to the flow guide block 441, the cover plate 442 covers the flow guide groove 441a, the cover plate 442 is provided with an observation opening 442a, the detection piece 443 is connected to one end of the flow guide block 441 away from the cover plate 442, the detection piece 443 protrudes into the flow guide groove 441a, the detection piece 443 is electrically connected to the driving piece 400b, and the detection piece 443 is used to detect the cap 314 in the flow guide groove 441a. The cover plate 442 provided can not only limit the moving direction of the cap 314 to prevent the cap 314 from jumping out, but also can cooperate with the detection piece 443 to detect whether the cap 314 is present, so as to avoid the first electrode assembly 420 and the second electrode assembly 430 from running an empty stroke.

[0055] In some embodiments, the first stand 411 and the second stand 412 are each provided with a waist-shaped hole 410a extending in the vertical direction, and the two ends of the main frame 413 are detachably connected to the corresponding waist-shaped holes 410a, and the inclination angle of the main frame 413 is adjustable.

[0056] In some embodiments, the feeding device 700 is further included, and the feeding device 700 includes a feeding track 710, a first conveying belt 720, and a pushing cylinder 730. The feeding track 710 includes a conveying section 711 and a feeding section 712, and the outlet of the feeding section 712 is used for aligning the mounting port 311 of the tooling 310. The first conveying belt 720 is arranged on the base 100, the belt surface of the first conveying belt 720 is arranged in the conveying section 711, and the first conveying belt 720 is used for conveying the battery 312 to the end of the conveying section 711. The pushing cylinder 730 is connected to the feeding section 712, and the pushing cylinder 730 is used for pushing the battery 312 at the end of the conveying section 711 along the feeding section 712 into the mounting port 311 of the tooling 310.

[0057] In some embodiments, the shaping device 800a and the detection device 800b are further included. The shaping device 800a is arranged at the rear working position of the feeding device 700, and the detection device 800b is arranged between the shaping device 800a and the butt welding device 400. The shaping device 800a is used for flattening the tab 313 on the incoming battery 312, and the detection device 800b is used for detecting the tab 313 on the battery 312. The shaping device 800a and the detection device 800b are arranged as pre-devices of the butt welding, so that the tab 313 of the battery 312 obtained by feeding can meet the requirements of butt welding after being shaped and detected. At the same time, the detection device 800b cooperates with the cap guide module 440 to realize the butt welding operation on the detected good products, and the battery 312 products that are still not good after shaping are directly discharged from the discharging track 910. The program is simplified and optimized, unnecessary butt welding operations are avoided, the product yield is ensured, and the distinction between good products and not good products is improved. It can be understood that the shaping device 800a includes a clamping block. When the tab 313 on the battery 312 runs below the clamping block, the clamping block clamps and flattens the tab 313, so that the tab 313 is in a flat state. The detection device 800b includes a visual detector, such as a CCD camera, etc. The visual detection and the standard product are compared, so as to judge whether the tab 313 meets the qualified requirements.

[0058] In some embodiments, the discharging device 900 is further included, the discharging device 900 includes a plurality of discharging tracks 910, each of the discharging tracks 910 corresponds to one station, the supporting disc 200 is provided with a pusher 210, the pusher 210 is provided in one-to-one correspondence with the discharging tracks 910, the pusher 210 is used for pushing the battery 312 on the corresponding station to the discharging track 910, and the discharging track 910 is used for carrying out the battery 312. It can be understood that the discharging track 910 is provided with a second conveying belt at the bottom, and the pusher 210 is also electrically connected to the PLC or the computer host. According to the detection result, the good and the bad are distinguished, so that the pusher 210 pushes the good or the bad to the corresponding discharging track 910. The bad of the battery 312 detected before the butt welding is directly not subjected to the butt welding, and the welding bad detected after the butt welding is pushed to the corresponding discharging track 910 by the corresponding pusher 210.

[0059] A butt welding method applied to a butt welding machine, comprising the following steps:

[0060] Feeding, the battery 312 with the tab 313 is vertically placed in the feeding track 710, the first conveying belt 720 carries the battery 312 to the end of the conveying section 711, and then the pusher cylinder 730 pushes the battery 312 along the feeding section 712 into the mounting port 311 of the corresponding tooling 310 and clamps it;

[0061] Adjusting, the rotating disc 300 rotates, the battery 312 on the tooling 310 is also driven to the shaping device 800a and the detection device 800b, the shaping device 800a shapes the tab 313 of the battery 312, so that the tab 313 of the battery 312 is straight, and the battery 312 after shaping passes through the detection device 800b, the detection device 800b performs visual detection on the tab 313, and the unqualified directly passes through the butt welding device 400, and the qualified is subjected to welding treatment in the butt welding device 400;

[0062] Butt welding, the qualified battery 312 is driven by the rotating disc 300 to between the first electrode assembly 420 and the second electrode assembly 430 of the butt welding device 400, and then the cap flow guide module 440 flows and places the cap 314 on the tab 313 of the battery 312 and abuts against the tab 313, the first electrode assembly 420 and the second electrode assembly 430 approach each other, and the cap 314 is welded to the tab 313;

[0063] Detection, after the welding is completed, the welded cap 314 is detected by visual detection;

[0064] Discharging, after the detection is completed, the qualified and the unqualified are discharged through the respective corresponding discharging tracks 910.

[0065] The base 100 and the support disc 200 are arranged as the mounting body, the rotating disc 300, the butt welding device 400, the corner folding device 500 and the pressing device 600 are concentrated on an annular machining path, the rotating disc 300 carries the tooling 310 along one end of the annular path, the first electrode assembly 420, the second electrode assembly 430 and the cap guiding module 440 on the butt welding device 400 cooperate to weld the cap 314 on the tab 313 of the battery 312, after the welding is completed, the battery 312 passes through the corner folding device 500 to bend the tab 313, and then passes through the pressing device 600 to press the cap 314 to be buckled on the end of the battery 312, so that the cap 314 assembly of one battery 312 is completed, the welding and packaging of one cylindrical battery 312 are completed in the stroke of the annular path, compared with manual operation, the production efficiency is improved; in addition, the simple structure of the butt welding device 400 is arranged, the first electrode assembly 420, the second electrode assembly 430 and the cap guiding module 440 are integrated together through the mounting frame 410, miniaturization and mechanization are achieved, the cap guiding module 440 stably supplies the cap 314, and the welding is guaranteed not to be missed; the corner folding device 500 is simple in structure, the push-up sheet 520 and the limiting sheet 530 cooperate to achieve better bending effect, the shaping device 800a and the detection device 800b are arranged as the pre-positioning device of the butt welding, so that the tab 313 of the battery 312 obtained by feeding can meet the demand of butt welding after shaping and detection, meanwhile, the detection device 800b cooperates with the cap guiding module 440 to realize the butt welding operation on the detected good products, and the battery 312 products that are still not good after shaping directly pass through the discharge track 910, the program is simplified and optimized, unnecessary butt welding operation is avoided, the product yield is guaranteed, and the distinction degree of good products and bad products is improved.

[0066] The above describes the embodiments of the application in detail in combination with the drawings, but the application is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the art without departing from the purpose of the application.

Claims

1. A butt welding machine, characterized in that: include: Base (100); A support plate (200) is disposed on the base (100); A turntable (300) is rotatably disposed on the base (100), the turntable (300) being disposed below the support disk (200), the turntable (300) being coaxially disposed with the support disk (200), a plurality of tooling (310) being disposed on a circumferential side of the turntable (300), the tooling (310) being used to load batteries (312), and the turntable (300) being used to drive the tooling (310) to move along an outer ring path of the turntable (300); The welding device (400) comprises a mounting frame (410), a first electrode assembly (420), a second electrode assembly (430) and a cap guide module (440), wherein one end of the mounting frame (410) is connected to the support plate (200), and the other end of the mounting frame (410) is connected to the base (100), the first electrode assembly (420) and the second electrode assembly (430) are both slidably connected to the mounting frame (410), the cap guide module (440) is connected to the mounting frame (410), and the first electrode assembly (420) is connected to the support plate (200). ) and the second electrode assembly (430) are respectively arranged on both sides of the annular edge of the rotating disk (300); the tooling (310) can pass through the space between the first electrode assembly (420) and the second electrode assembly (430); the cap guide module (440) is used to guide the cap (314) to fall onto the tab (313) of the battery (312) on the tooling (310); the first electrode assembly (420) and the second electrode assembly (430) are used to weld the cap (314) to the tab (313) of the battery (312); A folding device (500) is provided at a rear station of the butt welding device (400), the folding device (500) comprising a bracket (510), a push-up plate (520) and a limiting plate (530), the bracket (510) being connected to the base (100), the push-up plate (520) and the limiting plate (530) being connected to the bracket (510) via a first cylinder, the limiting plate (530) being provided above the push-up plate (520), the limiting plate (530) being used to support the tab (313) of the battery (312), the push-up plate (520) being used to push the cap (314) and to make the cap (314) buckle on the end of the battery (312); A pressing device (600) is provided at a rear station of the folding device (500), and the pressing device (600) is used to press the cap (314) onto the end of the battery (312).

2. A butt welding machine according to claim 1, characterized in that: The welding device (400) further comprises a vibrating feeding tray (450), the outlet of which is connected to the cap guide module (440), and the vibrating feeding tray (450) is used to feed the cap (314) into the cap guide module (440).

3. A butt welding machine according to claim 2, characterized in that: The mounting frame (410) includes a first stand (411), a second stand (412), a main frame (413) and a support plate (414), wherein the first stand (411) is arranged on the base (100), the second stand (412) is arranged on the support plate (200), the main frame (413) is bridged between the first stand (411) and the second stand (412), the main frame (413) is tilted, the support plate (414) is arranged on the main frame (413), the first electrode assembly (420) and the second electrode assembly (430) are both slidably connected to the main frame (413), the sliding direction of the first electrode assembly (420) and the second electrode assembly (430) are parallel to the tilt direction of the main frame (413), and the cap guide module (440) is arranged on the support plate (414).

4. A butt welding machine according to claim 3, characterized in that: The first electrode assembly (420) and the second electrode assembly (430) both include a clamping member (400a) and a driving member (400b), wherein the clamping member (400a) is slidably connected to the main frame (413), and the driving member (400b) is arranged on the main frame (413), and the driving member (400b) is transmission-connected to the clamping member (400a), and the driving member (400b) is used to drive the clamping member (400a) to slide, and the two clamping members (400a) are respectively used to clamp the corresponding first electrode (400c) and second electrode (400d), and the first electrode (400c) and the second electrode (400d) are used to touch the tab (313) and the cap (314) and weld the cap (314) to the tab (313).

5. A butt welding machine according to claim 4, characterized in that: The cap guide module (440) comprises a guide block (441), a shield plate (442) and a detection member (443); the guide block (441) is connected to the support plate (414); a guide groove (441a) is provided on the guide block (441); the guide groove (441a) is connected to the outlet of the vibrating feed tray (450); the shield plate (442) is connected to the guide block (441); the shield plate (442) shields the A guide groove (441a), the mask plate (442) is provided with an observation port (442a), the detection member (443) is connected to an end of the guide block (441) away from the mask plate (442), the detection member (443) protrudes into the guide groove (441a), the detection member (443) is electrically connected to the driving member (400b), and the detection member (443) is used to detect the cap (314) in the guide groove (441a).

6. A butt welding machine according to claim 3, characterized in that: The first stand (411) and the second stand (412) are both provided with waist-shaped holes (410a) extending vertically, and both ends of the main frame (413) are detachably connected to the corresponding waist-shaped holes (410a), and the inclination angle of the main frame (413) is adjustable.

7. A butt welding machine according to claim 3, characterized in that: The device further comprises a loading device (700), wherein the loading device (700) comprises: A loading track (710) includes a conveying section (711) and a feeding section (712), wherein the outlet of the feeding section (712) is used to align with the installation opening (311) of the tooling (310); a first conveyor belt (720) disposed on the base (100), wherein the belt surface of the first conveyor belt (720) is accommodated in the conveying section (711), and the first conveyor belt (720) is used to convey the battery (312) to the end of the conveying section (711); A pushing cylinder (730) is connected to the feeding section (712), and the pushing cylinder (730) is used to push the battery (312) at the end of the conveying section (711) along the feeding section (712) into the installation opening (311) of the tooling (310).

8. A butt welding machine according to claim 7, characterized in that: The apparatus further comprises a shaping device (800a) and a detection device (800b), wherein the shaping device (800a) is arranged at a rear station of the feeding device (700), and the detection device (800b) is arranged between the shaping device (800a) and the welding device (400). The shaping device (800a) is used to flatten the tabs (313) on the incoming battery (312), and the detection device (800b) is used to detect the tabs (313) on the battery (312).

9. A butt welding machine according to claim 8, characterized in that: The device further comprises a discharge device (900), wherein the discharge device (900) comprises a plurality of discharge tracks (910), each of the discharge tracks (910) corresponding to a work station, and a pusher (210) is provided on the support plate (200), wherein the pusher (210) is provided in a one-to-one correspondence with the discharge track (910), and the pusher (210) is used to push the battery (312) on the corresponding work station onto the discharge track (910), and the discharge track (910) is used to transport the battery (312) out.

10. A butt welding method, characterized in that: The butt welding machine according to claim 9 comprises the following steps: Loading: placing the battery (312) with the tab (313) vertically in the loading track (710); the first conveyor belt (720) carries the battery (312) to the end of the conveying section (711); and then the pushing cylinder (730) pushes the battery (312) along the feeding section (712) into the corresponding installation port (311) of the tooling (310) for clamping; Adjustment, the turntable (300) rotates, and the battery (312) on the tooling (310) is also driven toward the shaping device (800a) and the detection device (800b), the shaping device (800a) shapes the tab (313) of the battery (312) to make the tab (313) of the battery (312) straight, the battery (312) after shaping passes through the detection device (800b), and the detection device (800b) performs a visual inspection on the tab (313), and unqualified ones directly pass through the touch welding device (400), and qualified ones are welded in the touch welding device (400); Butt welding: the qualified battery (312) is driven by the rotating disk (300) to between the first electrode assembly (420) and the second electrode assembly (430) of the butt welding device (400); then the cap guide module (440) flows the cap (314) onto the tab (313) of the battery (312) and abuts against the tab (313); the first electrode assembly (420) and the second electrode assembly (430) are brought close to each other, and the cap (314) is welded to the tab (313); Inspection, after welding is completed, visual inspection of the welded cap (314); After the inspection is completed, qualified and unqualified products are discharged through their corresponding discharge tracks (910).

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