A deviation-correcting welding machine for battery components

Abstract

The present invention discloses a correction welding machine for battery components, which includes a feed buffer conveyor belt, a correction welding line and a discharge conveyor belt that are sequentially butted together. The correction welding line includes a conveyor belt, a regularization device, a visual positioning device, a correction device, a welding flow bar feeding device and a welding device. The conveyor belt is provided with solar photovoltaic components, and battery strings are arranged on the glass. Regularization devices are installed around the conveyor belt, and visual positioning devices and correction devices are arranged above the conveyor belt. Welding flow bar feeding devices are butt-jointed on both sides of the conveyor belt, and a welding device is installed on the conveyor belt. Through the above-mentioned method, the present invention can flexibly regularize battery components, can perform horizontal correction on products, and avoid interference between two adjacent groups of products; the flux nozzle cooperates with the lead screw spraying to meet the spraying requirements of different starting points, can stably connect welding rods, and ensure that the welding head is in close contact with the welding point without damaging the product.

Description

Technical Field

[0001] The invention relates to the technical field of solar module production, in particular to a deviation-correcting welding machine for a battery module. Background Art

[0002] During the production process of solar panels, two groups of cells need to be welded together. Each group includes six strings of cells. Three types of welding rods are needed to weld these cells together. The cells are transported to the welding point by a conveyor belt. The cells will be offset during placement and transportation. The distance between cells in the same group, the spacing between two groups of cells, the lateral level of a single cell, etc., will affect the finished welded product. There are also related correction equipment on the market, which has a complex structure. The movement and rotation in the X and Y directions can only be driven by three motors separately. The positions of two adjacent correction structures are easy to interfere. In addition, for the position correction of different products, different products have different sizes, and the distance between adjacent correction structures must also change accordingly. The cost of redesigning the equipment is high and the floor space is large. Based on the above defects and shortcomings, it is necessary to improve the existing technology and design a correction welding machine for battery modules. Summary of the invention

[0003] The main technical problem solved by the present invention is to provide a correction welding machine for battery components, which can flexibly correct the battery components, move the light source to be directly below the welding point to ensure positioning accuracy, and can perform horizontal correction on the product to follow an arc line to avoid interference between two adjacent groups of products; it can control the spraying range and the amount of spraying, and the flux nozzle cooperates with the lead screw for spraying to meet the spraying requirements of different starting points, and can stably connect the welding rod. The welding point floating structure is floatingly set to ensure that the welding head is in close contact with the welding point without damaging the product.

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a correction welding machine for a battery assembly, the correction welding machine for a battery assembly includes a feed buffer conveyor belt, a correction welding line and a discharge conveyor belt which are arranged in sequence, the correction welding line includes a conveyor belt, a regularization device, a visual positioning device, a correction device, a weld bar feeding device and a welding device, the conveyor belt conveys solar photovoltaic modules, and battery strings are arranged on the glass, the conveyor belt is equipped with a regularization device around it, the conveyor belt is equipped with a visual positioning device and a correction device above it, the weld bar feeding devices are arranged on both sides of the conveyor belt, and the welding device is installed on the conveyor belt.

[0005] Preferably, the aligning device includes a long-side synchronous aligning component and a short-side aligning component, the long-side synchronous aligning component includes a base plate, a linear slide rail, a movable plate, a synchronous pulley, a synchronous belt, an extension cylinder and a stop roller, the base plate is provided with two linear slide rails consistent with the conveying direction of the conveyor belt, the two sets of sliders of the linear slide rail are respectively provided with a movable plate, and two synchronous pulleys are also inserted into the base plate, the synchronous pulleys are driven by a motor, the two synchronous pulleys are connected by a synchronous belt, the two sides of the synchronous belt are fixed to the movable plate by a belt pressure plate, the motor drives the two movable plates to move in the same direction or in reverse directions, the movable plate is provided with two extension cylinders, and the stop roller is provided on the telescopic rod of the extension cylinder; the short-side aligning component includes a single-axis drive, a fixed plate, a bearing plate, a universal ball, a guide support plate, a bracket, a buffer unit and a proximity switch, the single-axis drive drives the fixed plate to move, the bearing plate is provided with a bearing plate, and a row of A universal ball for supporting the product, two guide support plates are also installed on the fixed plate, the upper part of the guide support plate is composed of a horizontal part and a vertical part, the horizontal part is provided with a slope guide surface and a horizontal bearing surface connected in sequence, the vertical part is provided with a gauge front, and a bracket is also provided on the fixed plate, a buffer unit pointing to the side of the product is installed on the bracket, and a proximity switch matching therewith is provided on the rear side of the buffer unit; the buffer unit comprises a catheter sleeve, a limit block, a buffer rod, a buffer spring and a buffer block, the catheter sleeve is fixed on the bracket, the limit block is inserted in the catheter sleeve, the opposite surfaces of the catheter sleeve and the limit block are provided with a slide groove hole, the buffer rod passes through the catheter sleeve and the limit block, a snap ring protruding outward is provided in the middle of the buffer rod, a buffer spring is sleeved on the buffer rod, the snap ring and the buffer spring are located in the slide groove hole, the buffer spring is respectively against the snap ring and the catheter sleeve, and a buffer block is installed at the protruding end of the buffer rod, and the buffer block is an elastic member.

[0006] Preferably, the visual positioning device includes a positioning light source, a movable light source, a square tube, a beam frame, a mounting plate, a camera mounting frame, a CCD camera, a guide bar and a hanging buckle, the positioning light source is fixed on the bracket in the middle of the conveyor belt, the movable light source is arranged on the fixing plates of the short side regularization components on both sides, two square tubes are arranged above the movable light source, the two square tubes are fixedly connected by the beam frame, three equidistantly arranged mounting plates are installed at the bottom of the beam frame, three groups of camera mounting frames are installed in an array on the mounting plate, a CCD camera is installed at the lower end of the camera mounting frame, a card slot is horizontally arranged at the vertical end of the camera mounting frame, a guide strip matching therewith is installed on the mounting plate, a row of screw fixing holes are arranged on the mounting plates on both sides of the guide bar, a waist-shaped hole matching therewith is arranged on the camera mounting frame, the horizontal position of the camera mounting frame is adjustable, the card slot is inserted into the guide bar to ensure the stability of the installation and avoid the damage to the detection accuracy caused by the early change of the camera installation position due to the loosening of the screws, and a hanging buckle for hanging is installed at the upper end of the square tube.

[0007] Preferably, the correcting device includes a lifting module, a template quick-change structure and a correcting mechanism, the lifting module drives the template quick-change structure to move up and down, and six groups of correcting mechanisms are installed in the bottom array of the template quick-change structure; the template quick-change structure includes a lifting frame, a guide plate, a guide block, a correcting template and a quick-change template, the lifting frame is arranged on the lifting module, guide plates are installed on both sides of the lifting frame, guide slide grooves are transversely arranged on the opposite surfaces of the two guide plates, six guide blocks are clamped in the guide slide grooves, a correction template is fixed to the lower end of one group of guide blocks, a quick-change template is installed at the bottom of the guide plate, and mounting screw holes that are equidistantly arranged on the quick-change template are consistent with the product placement spacing, the screws pass through the mounting screw holes of the quick-change template and are fixed to the correcting template, and the corresponding quick-change template is replaced according to different product sizes.

[0008] Preferably, the correcting mechanism includes a follow-up component, a correcting beam, a correcting component, an expansion beam and a suction cup, the bottom of the correcting template is connected to the correcting beam through two follow-up components, three groups of correcting components are installed on the correcting template, the three groups of correcting components act on the correcting beam, the side end of the correcting beam is detachably installed with an expansion beam, and the bottom array of the correcting beam and the expansion beam is installed with suction cups for adsorbing battery cells; the follow-up component includes a slide, a turntable and a bearing seat, the slide is arranged on the correcting template, the slider of the slide is installed with a turntable, and the bottom of the turntable is movably connected to the correcting beam through the bearing seat; the correcting component includes an eccentric wheel seat, an eccentric wheel plate, an eccentric wheel and a stepping motor, the eccentric wheel seat is fixed on the correcting beam, the eccentric An eccentric wheel plate is fixedly installed on the wheel seat, and a correction waist-shaped hole is arranged on the eccentric wheel plate. An eccentric wheel is installed in the correction waist-shaped hole. The eccentric wheel is driven by a stepper motor. The stepper motor is fixed on the correction template. The stepper motor drives the eccentric wheel to rotate, thereby driving the correction beam to follow up. The correction waist-shaped hole of the middle correction mechanism is horizontally arranged longitudinally, and the correction waist-shaped holes of the correction mechanisms on both sides are horizontally arranged transversely; the stepper motor of the middle correction mechanism drives the eccentric wheel to rotate, and the eccentric wheel cooperates with the longitudinally arranged correction waist-shaped hole, and the correction beam moves in the Y direction; the stepper motors of the correction mechanisms on both sides rotate in the same direction, and the correction beam moves in the x direction; the stepper motors of the correction mechanisms on both sides rotate in the opposite direction, and the correction beam rotates, so as to meet the adjustment of the horizontal degree of freedom.

[0009] Preferably, the welding rod feeding device includes a single-axis manipulator, a clamping assembly, a welding rod feeding assembly, a transition wheel, a clamping assembly, a cutting and spraying mechanism and a lifting and bending platform. A clamping assembly for clamping the welding rod is installed on the slide of the single-axis manipulator, and a welding rod feeding assembly is arranged on the side end of the single-axis manipulator. The welding rod at the welding rod feeding assembly passes through the clamping assembly and the cutting and spraying mechanism after passing through the transition wheel. The transition wheel, the clamping assembly and the cutting and spraying mechanism are arranged on the bracket of the single-axis manipulator, and a lifting and bending platform is also installed on the side end of the bracket of the single-axis manipulator; the cutting and spraying mechanism includes a servo motor, a lead screw, a cutting rod, a cutting rod, a cutting rod, a cutting rod, a cutting rod, a cutting rod, a cutting rod, a cutting rod, a cutting rod, a cutting rod The cutting installation plate, the welding rod straightening block, the hinge support, the floating cylinder, the cutting assembly, the flux spraying assembly and the shield, the servo motor drives the lead screw to rotate, the lead screw nut on the lead screw is fixed to the cutting installation plate horizontally arranged above it through the connecting plate, the servo motor drives the cutting installation plate to move horizontally, the welding rod straightening block is installed at the bottom of the extended end of the cutting installation plate, the welding rod passes through the welding rod straightening block, the top of the cutting installation plate is installed with a hinge support, the tail of the floating cylinder is movably inserted on the hinge support, the connecting block of the cutting assembly is installed on the telescopic rod of the floating cylinder, the flux spraying assembly is arranged on the front side of the cutting assembly, and the bottom of the cutting assembly is provided with a solder flux spraying assembly. A shield for protecting the lead screw is provided, and the shield is fixed on the bracket of the single-axis manipulator. The cutting assembly includes a connecting block, a mounting seat, a cutter, a return spring, a baffle and a cutting support platform. The upper part of the mounting seat is movably inserted on the connecting block through a pin shaft, and the lower part of the mounting seat is movably inserted on the protruding end of the cutting mounting plate. The cutter is inserted at the front opening of the mounting seat, and the upper part of the cutter and the opposite surface of the mounting seat are provided with a cylindrical groove, and a return spring is installed in the cylindrical groove. A baffle for blocking the upper part of the cutter is also installed on the mounting seat, and a cutting support platform used in conjunction with the cutter is provided below the cutter, and the cutting support platform is fixed to the welding rod straightening The expansion rod of the floating cylinder extends to drive the mounting seat to rotate, and the rotation of the mounting seat drives the cutter to move down to cut off the welding rod; the flux spraying assembly includes a mounting frame, an adjusting bracket, an adjusting bolt, an adjusting block, a flux nozzle and a receiving box, the mounting frame is arranged on the cutting mounting plate, an adjusting bracket is vertically installed on the protruding end of the mounting frame, an adjusting bolt is installed on the top of the adjusting bracket, the adjusting bolt acts on the adjusting block, an adjusting waist hole is vertically arranged on the adjusting bracket, the adjusting screw passes through the adjusting waist hole and is locked on the adjusting block, a flux nozzle is installed on the adjusting block, and a receiving box is installed on the shield below the flux nozzle.

[0010] Preferably, the lifting and bending platform comprises a lifting base plate, a lifting plate, a lifting cylinder, a lifting platform, a guide column pin, a finger cylinder, a bending assembly and a two-way limit assembly, the lifting base plate is vertically arranged on the bracket of the single-axis manipulator, the lifting plate is arranged on the lifting base plate through two vertical slide rails, a lifting cylinder is installed at the lower part of the lifting base plate, the telescopic rod of the lifting cylinder is fixed to the lifting plate, the lifting cylinder drives the lifting plate to move along the slide rail direction, and a lifting platform is horizontally installed on the top of the lifting cylinder, at least two groups of guide column pins opposite to each other are installed on the top of the lifting platform, and the distance between the guide column pins in the same group is consistent with the width of the welding rod, the lifting cylinder is installed with a finger cylinder, the finger part of the finger cylinder passes through the lifting platform and the two fingers are located on both sides of the welding rod, the bending assembly is arranged on both sides of the lifting platform, and the two-way limit assembly is also installed on the lifting base plate; the bending assembly comprises a fixed A fixed block, a clamping finger, a pen-shaped cylinder, a double-ear seat, a bending lifting cylinder and a bending plate, wherein the fixed block is arranged on the lifting base plate, the middle part of the clamping finger is movably inserted in the front end of the fixed block through a pin shaft, a pen-shaped cylinder is installed at the lower part of the fixed block, a double-ear seat is installed on the telescopic rod of the pen-shaped cylinder, the lower part of the clamping finger is movably inserted in the double-ear seat, a bending lifting cylinder is installed at the slot in the middle part of the fixed block, and a bending plate is installed on the telescopic rod of the bending lifting cylinder; the telescopic rod of the pen-shaped cylinder extends to drive the clamping finger to rotate along the pin shaft, the clamping finger rotates to clamp the welding rod on the fixed block, the telescopic rod of the bending lifting cylinder is arranged to drive the bending plate to move up, and the bending plate moves up to bend the welding rod; the two-way limit assembly comprises a limit mounting block and a buffer, the limit mounting block is arranged on the lifting base plate, and two buffers arranged back to back are installed on the limit mounting block, and the two buffers are respectively opposite to the lifting plate.

[0011] Preferably, the welding device includes a welding platform mechanism and a welding manipulator, the welding platform mechanism is located on the conveyor belt and is horizontally perpendicular to the conveying direction thereof, a welding manipulator is arranged above the welding platform mechanism, the welding platform mechanism includes a linear module, a follower linear slide rail, a mobile frame and a welding platform assembly, the linear module and the follower linear slide rail are arranged in parallel, a mobile frame is installed on the sliding block of the linear module, the other end of the mobile frame is arranged on the slider of the follower linear slide rail, an array of welding platform assemblies with adjustable positions are installed on the mobile frame, horizontally arranged adjustment holes are equidistantly arranged on the mobile frame, screws After passing through the adjustment hole, it is locked onto the soldering station assembly. The soldering station assembly includes a soldering station plate, a cylinder fixing plate, a lifting cylinder, a suction cup seat, a rubber suction cup, a solder point base plate and a solder point floating structure. A scale line for adjusting the horizontal position is arranged on the top of the soldering station plate, two cylinder fixing plates are installed at the bottom of the soldering station plate, a lifting cylinder is installed on the cylinder fixing plate, a suction cup seat is installed on the telescopic rod of the lifting cylinder, a rubber suction cup is installed on the suction cup seat, a solder point base plate is installed on the bottom surface of the soldering station plate, a solder point floating structure is installed in an array on the solder point base plate, and the rubber suction cup and the solder point floating structure pass through the soldering station plate.

[0012] Preferably, the solder joint floating structure includes a solder joint sealing plate, a silicone spring and a solder joint boss. The solder joint sealing plate is fixed to the solder joint bottom plate. The solder joint sealing plate is provided with a stepped hole with a decreasing aperture from bottom to top. The silicone spring is installed in the stepped hole. The upper protruding end of the silicone spring is provided with a solder joint boss. The silicone spring is composed of a mounting portion, a connecting portion and a clamping portion with decreasing axial holes from bottom to top. The stepped silicone spring has a compression space, which is conducive to plastic deformation and avoids compression damage to the spring. A retention hole is provided at the bottom of the mounting portion. The retention hole is used to store the squeezed and deformed silicone spring to facilitate the compression of the silicone spring. An inner concave ring is provided on the outer diameter of the clamping portion, and the solder joint boss is clamped at the inner concave ring.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The long side synchronous straightening component can block the product and straighten it synchronously. The short side straightening component can carry the product to avoid product extrusion and damage. It has elastic straightening and wide applicability and can meet the product straightening requirements within a certain range.

[0015] It can be used with products of different sizes, and the light source can be moved directly below the soldering point to ensure positioning accuracy. The horizontal position of the CCD camera is adjustable, and it can be used with different components, with wide applicability.

[0016] It can adjust the horizontal, vertical and rotational directions of the products flexibly and in an arc to match the running trajectory of the products and avoid interference between two adjacent groups of products;

[0017] The servo motor can drive the cutting component to stop at any position to meet the needs of cutting at different lengths;

[0018] The rear end of the floating cylinder is set to float to prevent it from getting stuck;

[0019] The upper and lower positions of the adjustment block can be adjusted to control the spraying range and spraying amount. The flux nozzle cooperates with the lead screw for spraying to meet the spraying requirements of different starting points.

[0020] The lifting plate is driven by a lifting cylinder. When receiving materials, there is no drop and the materials can be received smoothly. The setting of the guide pin ensures that the welding rod does not shift when the material is dropped. The setting of the bending component can automatically bend the welding rod. The two-way limit component can limit the vertical position of the lifting plate to avoid collision.

[0021] The rubber suction cup is set up in a lifting style. Before welding, it can absorb the welding rod. During welding, the welding head presses the welding rod and the rubber suction cup moves down to avoid damage from high temperature of welding.

[0022] The positions of two adjacent welding station components are adjustable to match products of different sizes and have wide applicability;

[0023] The floating structure of the welding point is set to ensure that the welding head is in close contact with the welding point without damaging the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The figure is a schematic diagram of the structure of a deviation correction welding machine for battery components.

[0025] Figure 2 The present invention is a schematic diagram of the structure of a regularization device of a deviation correction welding machine for battery components.

[0026] Figure 3 The figure is a schematic diagram of the short side straightening component structure of a deviation correction welding machine for battery components.

[0027] Figure 4 This is a partial cross-sectional view of a short-side straightening component of a correction welding machine for a battery component.

[0028] Figure 5 The present invention is a schematic diagram of the structure of a visual positioning device of a deviation correction welding machine for battery components.

[0029] Figure 6 This is a partially enlarged view of the visual positioning device of a correction welding machine for battery components.

[0030] Figure 7 The present invention is a schematic diagram of the structure of a correction device of a correction welding machine for battery components.

[0031] Figure 8 The present invention is a schematic diagram of the quick-change structure of a template of a deviation-correcting welding machine for battery components.

[0032] Fig. 9 for Figure 8 Partial enlargement.

[0033] Fig.10 The present invention is a schematic diagram of the structure of a correction mechanism of a correction welding machine for battery components.

[0034] Fig.11 The present invention is a schematic diagram of the structure of a correction component of a correction welding machine for battery components.

[0035] Fig.12 A partial top view of the correction mechanism of a correction welding machine for battery components.

[0036] Fig.13 The present invention is a structural schematic diagram of a welding rod feeding device of a deviation correction welding machine for battery components.

[0037] Fig.14 The present invention is a schematic structural diagram of the cutting and spraying mechanism of a deviation correction welding machine for battery components from the first perspective.

[0038] Fig.15 This is a schematic structural diagram of the cutting and spraying mechanism of a deviation-correcting welding machine for battery assemblies from a second perspective.

[0039] Fig.16 The present invention is a schematic diagram of the cutting assembly structure of a deviation correction welding machine for battery assemblies.

[0040] Fig.17 The present invention is a schematic diagram of the lifting and bending platform structure of a deviation correction welding machine for battery components.

[0041] Fig.18 The present invention is a schematic diagram of the structure of a welding platform mechanism of a deviation correction welding machine for battery components.

[0042] Fig.19 The present invention is a schematic diagram of the structure of a welding table assembly of a deviation correction welding machine for battery assemblies.

[0043] Fig. 20 The present invention is a cross-sectional view of a welding station assembly of a deviation correction welding machine for a battery assembly.

[0044] Fig.21 The figure is a schematic diagram of the floating structure of the weld point of a deviation correction welding machine for battery components. DETAILED DESCRIPTION

[0045] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0046] See also Figures 1 to 21 , the embodiment of the present invention includes:

[0047] A deflection correction welding machine for battery components, comprising a feed buffer conveyor belt 1, a deflection correction welding line 2 and a discharge conveyor belt 3 which are sequentially butt-jointed, the deflection correction welding line 2 comprising a conveyor belt 21, a tidying device 22, a visual positioning device 23, a deflection correction device 24, a welding bar feeding device 25 and a welding device 26, the conveyor belt 21 conveys solar photovoltaic components, and battery strings are arranged on the glass, the conveyor belt 21 is surrounded by a tidying device 22, the conveyor belt 21 is topped by a visual positioning device 23 and a deflection correction device 24, the conveyor belt 21 is butt-jointed with welding bar feeding devices 25 on both sides, and the conveyor belt 21 is installed with a welding device 26.

[0048] The tidying device 22 includes a long-side synchronous tidying component 221 and a short-side tidying component 222. The long-side synchronous tidying component 221 includes a base plate 2211, a linear slide rail 2212, a movable plate 2213, a synchronous pulley 2214, a synchronous belt 2215, an extension cylinder 2216 and a stop roller 2217. Two linear slide rails 2212 that are consistent with the conveying direction of the conveyor belt 21 are installed on the base plate 2211. The two groups of sliders of the linear slide rails 2212 are respectively installed with movable plates 2213. Two synchronous pulleys 2214 are also installed on the base plate 2211. The synchronous pulleys 2214 are driven by a motor. The two synchronous pulleys 2214 are connected by a synchronous belt 2215. The synchronous belt 2215 has two sides. The belt-passing pressure plate is fixed to the movable plate 2213, and the motor drives the two movable plates 2213 to move in the same direction or in opposite directions. The movable plate 2213 is installed with two extension cylinders 2216, and the telescopic rods of the extension cylinders 2216 are installed with stop rollers 2217; the short side straightening component 222 includes a single-axis driver 2221, a fixed plate 2222, a bearing plate 2223, a universal ball 2224, a guide support plate 2225, a bracket 2226, a buffer unit 2227 and a proximity switch 2228, the single-axis driver 2221 drives the fixed plate 2222 to move, and the fixed plate 2222 is installed with a bearing plate 2223, and a row of universal bearings for supporting products are installed in an array on the bearing plate 2223 Ball 2224, two guide support plates 2225 are also installed on the fixed plate 2222, the upper part of the guide support plate 2225 is composed of a horizontal part and a vertical part, the horizontal part is provided with a slope guide surface 22251 and a horizontal bearing surface 22252 connected in sequence, and the vertical part is provided with a gauge front surface 22253, and a bracket 2226 is also provided on the fixed plate 2222, and a buffer unit 2227 pointing to the side of the product is installed on the bracket 2226, and a proximity switch 2228 cooperating with the buffer unit 2227 is provided at the rear side of the buffer unit 2227; the buffer unit 2227 includes a guide sleeve 22271, a limit block 22272, a buffer rod 22273, a buffer spring 22274 and a buffer block 22275, the catheter sleeve 22271 is fixed on the bracket 2226, and the limiting block 22272 is inserted in the catheter sleeve 22271. The opposite surfaces of the catheter sleeve 22271 and the limiting block 22272 are provided with sliding groove holes, the buffer rod 22273 passes through the catheter sleeve 22271 and the limiting block 22272, and a clamping ring protruding outward is provided in the middle of the buffer rod 22273. A buffer spring 22274 is sleeved on the buffer rod 22273, and the clamping ring and the buffer spring 22274 are located in the sliding groove hole. The buffer spring 22274 is respectively against the clamping ring and the catheter sleeve 22271, and a buffer block 22275 is installed on the protruding end of the buffer rod 22273, and the buffer block 22275 is an elastic member.

[0049] The visual positioning device 23 includes a positioning light source 231, a movable light source 232, a square tube 233, a beam frame 234, a mounting plate 235, a camera mounting frame 236, a CCD camera 237, a guide strip 238 and a hanging buckle 239. The positioning light source 231 is fixed to a bracket in the middle of the conveyor belt 21. The movable light source 232 is arranged on the fixing plate 2222 of the short side straightening components 222 on both sides. Two square tubes 233 are arranged above the movable light source. The two square tubes 233 are fixedly connected by the beam frame 234. Three equidistant mounting plates 235 are installed at the bottom of the beam frame 234. Three groups of camera mounting plates are arrayed on the mounting plate 235. The camera mounting frame 236 has a CCD camera 237 mounted on its lower end, a card slot 2361 is horizontally arranged on the vertical end of the camera mounting frame 236, a guide bar 238 matching therewith is mounted on the mounting plate 235, a row of screw fixing holes 2350 are arranged on the mounting plate 235 on both sides of the guide bar 238, a waist-shaped hole 2362 matching therewith is arranged on the camera mounting frame 236, the horizontal position of the camera mounting frame 236 is adjustable, the card slot 2361 is inserted into the guide bar 238 to ensure the stability of the installation and avoid the damage to the detection accuracy caused by the early change of the camera installation position due to the loosening of the screws, and a hanging buckle 239 for hanging is installed on the upper end of the square tube 233.

[0050] The correction device 24 includes a lifting module 241, a template quick-change structure 242 and a correction mechanism 243. The lifting module 241 drives the template quick-change structure 242 to move up and down. Six groups of correction mechanisms 243 are installed in an array at the bottom of the template quick-change structure 242; the template quick-change structure 242 includes a lifting frame 2421, a guide plate 2422, a guide block 2423, a correction template 2424 and a quick-change template 2425. The lifting frame 2421 is arranged on the lifting module 241, and guide plates 2422 are installed on both sides of the lifting frame 2421. The two guide blocks A guide slot 2420 is laterally arranged on the opposite side of the guide plate 2422, and six guide blocks 2423 are respectively mounted on the guide slots 2420. A correction template 2424 is fixed to the lower end of a relative group of guide blocks 2423. A quick-change plate 2425 is installed at the bottom of the guide plate 2422, and mounting screw holes 24250 which are equidistantly arranged on the quick-change plate 2425 and are consistent with the product placement spacing, and the screws are fixed to the correction template 2424 after passing through the mounting screw holes 24250 of the quick-change plate 2425. The corresponding quick-change plate 2425 is replaced according to different product sizes.

[0051] The deflection correction mechanism 243 includes a follower component 2431, a deflection correction beam 2432, a deflection correction component 2433, an expansion beam 2434 and a suction cup 2435. The bottom of the deflection correction template 2424 is connected to the deflection correction beam 2432 through two follower components 2431. Three groups of deflection correction components 2433 are installed on the deflection correction template 2424. The three groups of deflection correction components 2433 act on the deflection correction beam 2432. The side end of the deflection correction beam 2432 is detachably installed with an expansion beam 2434. The bottom arrays of the deflection correction beam 2432 and the expansion beam 2434 are installed with a battery for adsorbing. The suction cup 2435 of the sheet; the follower component 2431 includes a slide 24311, a turntable 24312 and a bearing seat 24313, the slide 24311 is arranged on the correction template 2424, the turntable 24312 is installed on the slider of the slide 24311, and the bottom of the turntable 24312 is movably connected to the correction beam 2432 through the bearing seat 24313; the correction component 2433 includes an eccentric wheel seat 24331, an eccentric wheel plate 24332, an eccentric wheel 24333 and a stepper motor 24334, the eccentric wheel seat 24331 is fixed to the correction beam 2432, an eccentric wheel plate 24332 is fixedly installed on the eccentric wheel seat 24331, the eccentric wheel plate 24332 is provided with a correction waist-shaped hole 243320, an eccentric wheel 24333 is installed in the correction waist-shaped hole 243320, the eccentric wheel 24333 is driven by a stepper motor 24334, the stepper motor 24334 is fixed on the correction template 2424, the stepper motor 24334 drives the eccentric wheel 24333 to rotate, thereby driving the correction beam 2432 to follow, the correction waist-shaped hole 243320 of the middle correction mechanism 243 is horizontally and longitudinally arranged, and the two The correcting waist-shaped hole 243320 of the side correcting mechanism 243 is horizontally arranged; the stepping motor 24334 of the middle correcting mechanism 243 drives the eccentric wheel 24333 to rotate, the eccentric wheel 24333 cooperates with the longitudinally arranged correcting waist-shaped hole 243320, and the correcting beam 2432 moves in the Y direction; the stepping motors 24334 of the correcting mechanisms 243 on both sides rotate in the same direction, and the correcting beam 2432 moves in the x direction, and the stepping motors 24334 of the correcting mechanisms 243 on both sides rotate in the opposite direction, and the correcting beam 2432 rotates, thereby satisfying the adjustment of the horizontal degree of freedom.

[0052] The welding rod feeding device 25 includes a single-axis manipulator 251, a clamping assembly 252, a welding rod feeding assembly 253, a transition wheel 254, a clamping assembly 255, a cutting and spraying mechanism 256 and a lifting and bending platform 257. The sliding platform of the single-axis manipulator 251 is equipped with a clamping assembly 252 for clamping welding rods. The side end of the single-axis manipulator 251 is equipped with a welding rod feeding assembly 253. After the welding rod passes through the transition wheel 254, it passes through the clamping assembly 255 and the cutting and spraying mechanism 256. The transition wheel 254, the clamping assembly 255 and the cutting and spraying mechanism 256 are arranged on the bracket of the single-axis manipulator 251. The side end of the bracket of the single-axis manipulator 251 is also equipped with a lifting and bending platform 257. The cutting and spraying mechanism 256 comprises a servo motor 2561, a lead screw 2562, a cutting mounting plate 2563, a welding rod straightening block 2564, a hinge support 2565, a floating cylinder 2566, a cutting assembly 2567, a flux spraying assembly 2568 and a shield 2569. The servo motor 2561 drives the lead screw 2562 to rotate. The lead screw nut on the lead screw 2562 is fixed to the cutting mounting plate 2563 horizontally arranged above it through a connecting plate. The servo motor 2561 drives the cutting mounting plate 2563 to move horizontally. A welding rod straightening block 2564 is installed at the bottom of the extended end of the cutting mounting plate 2563. The welding rod passes through the welding rod straightening block 2564. The hinge support 2565 is installed at the top of the cutting mounting plate 2563. 65, the tail of the floating cylinder 2566 is movably inserted on the hinge support 2565, the telescopic rod of the floating cylinder 2566 is equipped with a connecting block 25671 of the cutting assembly 2567, the front side of the cutting assembly 2567 is provided with a flux spraying assembly 2568, and a shield 2569 for protecting the lead screw 2562 is provided below the cutting assembly 2567, and the shield 2569 is fixed on the bracket of the single-axis manipulator 251. The cutting assembly 2567 includes a connecting block 25671, a mounting seat 25672, a cutter 25673, a return spring 25674, a baffle 25675 and a cutting support 25676, and the upper part of the mounting seat 25672 is movably inserted on the connecting block 25671 through a pin shaft, and the mounting seat 25672 is provided with a solder flux spraying assembly 2568. The lower part of the mounting seat 25672 is movably inserted into the protruding end of the cutting mounting plate 2563, and a cutter 25673 is inserted into the front opening of the mounting seat 25672. A cylindrical groove is provided on the upper part of the cutter 25673 and the opposite surface of the mounting seat 25672, and a return spring 25674 is installed in the cylindrical groove. A baffle 25675 for blocking the upper part of the cutter 25673 is also installed on the mounting seat 25672. A cutting support 25676 used in conjunction with the cutter 25673 is provided below the cutter 25673, and the cutting support 25676 is fixed on the welding rod straightening block 2564. The telescopic rod of the floating cylinder 2566 extends to drive the mounting seat 25672 to rotate, and the rotation of the mounting seat 25672 drives the cutter 25673 to move down to cut off the welding rod.The flux spraying assembly 2568 comprises a mounting frame 25681, an adjusting bracket 25682, an adjusting bolt 25683, an adjusting block 25684, a flux spray head 25685 and a material receiving box 25686. The mounting frame 25681 is arranged on the cutting mounting plate 2563. The adjusting bracket 25682 is vertically installed on the protruding end of the mounting frame 25681. The adjusting bolt 25683 is installed on the top of the adjusting bracket 25682. The adjusting bolt 25683 acts on the adjusting block 25684. The adjusting bracket 25682 is vertically provided with an adjusting waist hole 25680. The adjusting screw passes through the adjusting waist hole 25680 and is locked on the adjusting block 25684. The flux spray head 25685 is installed on the adjusting block 25684. The material receiving box 25686 is installed on the shield 2569 below the flux spray head 25685. ;

[0053] The lifting and bending platform 257 includes a lifting base plate 2571, a lifting plate 2572, a lifting cylinder 2573, a lifting platform 2574, a guide pin 2575, a finger cylinder 2576, a bending assembly 2577 and a bidirectional limit assembly 2578. The lifting base plate 2571 is vertically arranged on the bracket of the single-axis manipulator 251, and the lifting plate 2572 is arranged on the lifting base plate 2571 through two vertical slide rails. A lifting cylinder 2573 is installed at the lower part of the lifting base plate 2571. The telescopic rod of the lifting cylinder 2573 is fixed to the lifting plate 2572. The lifting cylinder 2573 drives the lifting plate 2572 to move along the direction of the slide rail. A lifting platform 2574 is horizontally installed on the top of 2573, and at least two groups of guide pins 2575 facing each other are installed on the top of the lifting platform 2574. The distance between the guide pins 2575 in the same group is consistent with the width of the welding rod. A finger cylinder 2576 is installed on the lifting cylinder 2573. The finger part of the finger cylinder 2576 passes through the lifting platform 2574 and the two fingers are located on both sides of the welding rod. Bending components 2577 are arranged on both sides of the lifting platform 2574, and a two-way limit component 2578 is also installed on the lifting bottom plate 2571; the bending component 2577 includes a fixing block 25771, a clamping finger 25772, and a pen-shaped cylinder 2577. 3. Double-ear seat 25774, bending lifting cylinder 52577 and bending plate 25776, the fixed block 25771 is arranged on the lifting bottom plate 2571, the middle part of the clamping finger 25772 is movably inserted in the front end of the fixed block 25771 through a pin shaft, a pen-shaped cylinder 25773 is installed at the lower part of the fixed block 25771, the telescopic rod of the pen-shaped cylinder 25773 is installed with a double-ear seat 25774, the lower part of the clamping finger 25772 is movably inserted in the double-ear seat 25774, the bending lifting cylinder 52577 is installed at the slot in the middle part of the fixed block 25771, and the bending plate 25776 is installed on the telescopic rod of the bending lifting cylinder 52577; The telescopic rod of the pen-shaped cylinder 25773 extends to drive the clamping finger 25772 to rotate along the pin shaft, and the clamping finger 25772 rotates to clamp the welding rod on the fixed block 25771. The telescopic rod of the bending and lifting cylinder 52577 drives the bending plate 25776 to move upward, and the bending plate 25776 moves upward to bend the welding rod 90 degrees; the bidirectional limit assembly 2578 includes a limit mounting block 25781 and a buffer 25782, and the limit mounting block 25781 is arranged on the lifting bottom plate 2571, and two buffers 25782 arranged in back to back are installed on the limit mounting block 25781, and the two buffers 25782 are respectively opposite to the lifting plate 2572.

[0054] The welding device 26 includes a welding platform mechanism 261 and a welding manipulator 262. The welding platform mechanism 261 is located on the conveyor belt 21 and is horizontally perpendicular to the conveying direction thereof. A welding manipulator 262 is arranged above the welding platform mechanism 261. The welding platform mechanism 261 includes a linear module 2611, a follower linear slide 2612, a mobile frame 2613 and a welding platform assembly 2614. The linear module 2611 and the follower linear slide 2612 are arranged in parallel. The sliding block of the linear module 2611 is equipped with a mobile frame 2613. The other end of the mobile frame 2613 is arranged on a slider of the follower linear slide 2612. An array of welding platform assemblies 2614 with adjustable positions are installed on the mobile frame 2613. Horizontally arranged adjustment holes 2610 are equidistantly arranged on the mobile frame 2613. The screws pass through the adjustment holes 2610 and are locked to the welding platform assembly 2614. The welding platform assembly 2 614 includes a welding table 26141, a cylinder fixing plate 26142, a lifting cylinder 26143, a suction cup seat 26144, a rubber suction cup 26145, a welding point bottom plate 26146 and a welding point floating structure 26147. The welding table 26141 is provided with a scale line 261411 for adjusting the horizontal position on the top, and two cylinder fixing plates 26142 are installed on the bottom of the welding table 26141. The cylinder fixing plate 2614 2 is installed with a lifting cylinder 26143, a suction cup seat 26144 is installed on the telescopic rod of the lifting cylinder 26143, a rubber suction cup 26145 is installed on the suction cup seat 26144, a welding point bottom plate 26146 is installed on the bottom surface of the welding table 26141, welding point floating structures 26147 are installed in an array on the welding point bottom plate 26146, and the rubber suction cup 26145 and the welding point floating structure 26147 pass through the welding table 26141.

[0055] The solder joint floating structure 26147 includes a solder joint sealing plate 261471, a silicone spring 261472 and a solder joint boss 261473. The solder joint sealing plate 261471 is fixed on the solder joint bottom plate 26146. The solder joint sealing plate 261471 is provided with a stepped hole 2614710 with a decreasing aperture from bottom to top. The silicone spring 261472 is installed in the stepped hole 2614710. The upper protruding end of the silicone spring 261472 is sleeved with a solder joint boss 261473. The silicone spring 261472 is axially connected from bottom to top. The mounting portion 2614721, the connecting portion 2614722 and the clamping portion 2614723 are composed of decreasing holes. The stepped silicone spring 261472 has a compression space, which is conducive to plastic deformation and avoids compression damage to the spring. A retaining hole 01 is provided at the bottom of the mounting portion 2614721. The retaining hole 01 is used to store the squeezed and deformed silicone spring 261472 to facilitate the compression of the silicone spring 261472. The outer diameter of the clamping portion 2614723 is provided with an inner concave ring 02, and the welding point boss 261473 is clamped at the inner concave ring 02.

[0056] When the correction welding machine for battery assembly of the present invention is working, the battery cell assembly is conveyed from the buffer conveyor belt 1 to the correction welding line 2 and placed on the conveyor belt 21, the long side synchronous straightening assembly 221 starts to work, the extension cylinder 2216 drives the stop roller 2217 to move up, and the stop roller 2217 blocks the battery cell assembly. At this time, the motor drives the two moving plates 2213 to move in the same direction, and the stop rollers 2217 on both sides move relatively to straighten the long side direction of the product. At the same time, the short side straightening assemblies 222 on both sides start to work, the single-axis driver 2221 drives the fixed plate 2222 to move, and the universal ball 2224 on the bearing plate 2223 contacts the bottom surface of the product to support The product, the guide support plate 2225 moves, the slope guide surface 22251 guides, the horizontal bearing surface 22252 carries the battery cell assembly, the fixed plate 2222 moves and continues to move, the buffer block 22275 contacts the side of the battery assembly, the buffer block 22275 drives the buffer rod 22273 to extend until the proximity switch 2228 senses the buffer rod 22273, and the single-axis driver 2221 stops working. At this time, the bilateral regularization of the battery assembly is completed. When the battery assembly is transported to the conveyor belt 21, the positioning light source 231 is located directly below the middle of the two groups of battery cells, the short side regularization component 222 regularizes the battery assembly, and the movable light source 232 moves to the outer battery cell At this time, the positioning light source 231 and the movable light source 232 are both located directly below the target to be positioned, the camera mounting frame 236 is adjusted horizontally to the top of the target to be positioned, the CCD camera 237 takes pictures for visual positioning, and after positioning by the visual positioning device, the offset position is identified, the suction cup 2435 absorbs the battery cell and moves it away from the glass of the battery assembly, the welding rod at the welding rod feeding assembly 253 passes through the transition wheel 254 and then passes through the clamping assembly 255 and the cutting and spraying mechanism 256, the welding rod passes through the welding rod straightening block 25676, the servo motor 2561 drives the cutting mounting plate 2563 to move horizontally, the cutting mounting plate 2563 drives the cutting assembly 2567 to move, and the servo motor 2 561 can drive the cutting assembly 2567 to stop at any position to meet the needs of cutting of different lengths. The telescopic rod of the floating cylinder 2566 extends to drive the mounting seat 25672 to rotate. The mounting seat 25672 rotates to drive the cutter 25673 to move down to cut off the welding rod. The rear end of the floating cylinder 2566 floats to prevent it from getting stuck. At the same time, the flux spraying assembly 2568 works, and the upper and lower positions of the adjustment block 25684 are manually adjusted to control the spraying range and the amount of spraying. The flux nozzle 25685 cooperates with the lead screw 2562 to spray, meeting the spraying requirements of different starting points. After the cutting and flux spraying are completed, the cutting assembly 2567 retreats to facilitate the subsequent clamping assembly 252 to pull;When the welding rod is pulled to the top of the lifting and bending platform 257 through the clamping structure, the telescopic rod of the lifting cylinder 2573 extends to drive the lifting plate 2572 to move up along the slide rail. At this time, the welding rod falls between the two guide pins 2575 on the lifting platform 2574, and the finger cylinder 2576 works to clamp the welding rod. The welding rod is cut by the cutting component 2567. After the cutting is completed, at the same time, the two-way limit component 2578 can limit the vertical position of the lifting plate 2572 to avoid collision. The bending component 2577 works, and the pen-shaped cylinder 2577 The telescopic rod 25772 of 3 is extended to drive the clamping finger 25772 to rotate along the pin shaft, and the clamping finger 25772 rotates to clamp the welding rod on the fixed block 25771. The telescopic rod setting of the bending lifting cylinder 25775 drives the bending plate 25776 to move up, and the bending plate 25776 moves up to bend the welding rod 90 degrees. After the bending is completed, the welding robot 262 conveys the bent welding rod to the welding table assembly 2614, and the linear module 2611 drives the three sets of mobile frames 2613 to the welding position. The welding table assembly 2614 is manually adjusted on the mobile frame 2613 The screw passes through the adjustment hole 2610 and is locked onto the soldering station assembly 2614 to meet the welding requirements of different sizes of cells. When the manipulator grabs the welding rod to the solder point floating structure 26147 on the soldering station plate 26141, the rubber suction cup 26145 sucks the welding rod with negative pressure, and the stepper motor 24334 of the middle correction mechanism drives the eccentric wheel 24333 to rotate. The eccentric wheel 24333 cooperates with the longitudinal correction waist hole 243320, and the correction beam 2432 moves in the Y direction. The stepper motors 24334 of the correction mechanisms on both sides are 334 rotates in the same direction, the deflection correction beam 2432 moves in the x direction, the stepper motors 24334 of the deflection correction mechanisms on both sides rotate in the opposite direction, and the deflection correction beam 2432 rotates to meet the adjustment of the horizontal degree of freedom. After deflection correction, the battery cell is transported to the top of the welding rod. At this time, the welding head moves down to press the welding rod. Before welding, the telescopic rod of the lifting cylinder 26143 contracts to drive the rubber suction cup 26145 to move down to protect the suction cup and perform welding. The floating structure 26147 of the welding point is set to float to ensure that the welding head is close to the battery cell and the welding strip without damaging the product. ;

[0057] The present invention discloses a deviation correction welding machine for battery components, which can flexibly correct the battery components, move the light source to be directly below the welding point to ensure the positioning accuracy, and can perform horizontal deviation correction on the product to follow an arc line to avoid interference between two adjacent groups of products; the spraying range and the spraying amount can be controlled, and the flux nozzle cooperates with the lead screw for spraying to meet the spraying requirements of different starting points, and the welding rod can be stably connected. The welding point floating structure is floatingly set to ensure that the welding head is in close contact with the welding point without damaging the product.

[0058] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A deviation-correcting welding machine for battery components, characterized in that: The deflection correction welding machine for battery components comprises a feed buffer conveyor belt, a deflection correction welding line body and a discharge conveyor belt which are sequentially connected and arranged. The deflection correction welding line body comprises a conveyor belt, a regularization device, a visual positioning device, a deflection correction device, a welding flow bar feeding device and a welding device. The conveyor belt is provided with solar photovoltaic components, and battery strings are arranged on the glass. The conveyor belt is provided with a regularization device around it, a visual positioning device and a deflection correction device are provided above the conveyor belt, welding flow bar feeding devices are provided on both sides of the conveyor belt, and a welding device is provided on the conveyor belt. The correction device comprises a lifting module, a template quick-change structure and a correction mechanism, the lifting module drives the template quick-change structure to move up and down, and six groups of correction mechanisms are installed in the bottom array of the template quick-change structure; the template quick-change structure comprises a lifting frame, a guide plate, a guide block, a correction template and a quick-change template, the lifting frame is arranged on the lifting module, guide plates are installed on both sides of the lifting frame, guide slides are transversely arranged on the opposite surfaces of the two guide plates, six guide blocks are clamped in the guide slides, a correction template is fixed at the lower end of one group of guide blocks, a quick-change template is installed at the bottom of the guide plate, mounting screw holes that are equidistantly arranged on the quick-change template are consistent with the product placement spacing, the screws pass through the mounting screw holes of the quick-change template and are fixed to the correction template, and the corresponding quick-change template is replaced according to different product sizes; The welding rod feeding device includes a single-axis manipulator, a clamping assembly, a welding rod feeding assembly, a transition wheel, a clamping assembly, a cutting and spraying mechanism and a lifting and bending platform. A clamping assembly for clamping welding rods is installed on the slide of the single-axis manipulator, and a welding rod feeding assembly is arranged at the side end of the single-axis manipulator. After the welding rod passes through the transition wheel at the welding rod feeding assembly, it passes through the clamping assembly and the cutting and spraying mechanism. The transition wheel, the clamping assembly and the cutting and spraying mechanism are arranged on the bracket of the single-axis manipulator, and a lifting and bending platform is also installed at the side end of the bracket of the single-axis manipulator; the cutting and spraying mechanism includes a servo motor , lead screw, cutting mounting plate, welding rod straightening block, hinge support, floating cylinder, cutting assembly, flux spraying assembly and shield, the servo motor drives the lead screw to rotate, the lead screw nut on the lead screw is fixed to the cutting mounting plate horizontally arranged above it through the connecting plate, the servo motor drives the cutting mounting plate to move horizontally, the welding rod straightening block is installed at the bottom of the extended end of the cutting mounting plate, the welding rod passes through the welding rod straightening block, the top of the cutting mounting plate is installed with a hinge support, the tail of the floating cylinder is movably inserted on the hinge support, the connecting block of the cutting assembly is installed on the telescopic rod of the floating cylinder, and the front side of the cutting assembly is provided with A flux spraying component is arranged, a shield for protecting the lead screw is arranged below the cutting component, and the shield is fixed on the bracket of the single-axis manipulator. The cutting component includes a connecting block, a mounting seat, a cutter, a reset spring, a baffle and a cutting support platform. The upper part of the mounting seat is movably inserted on the connecting block through a pin shaft, and the lower part of the mounting seat is movably inserted on the protruding end of the cutting mounting plate. The cutter is inserted at the front opening of the mounting seat, and a cylindrical groove is arranged on the opposite surface of the upper part of the cutter and the mounting seat, and a reset spring is arranged in the cylindrical groove. A baffle for blocking the upper part of the cutter is also installed on the mounting seat, and a baffle for blocking the upper part of the cutter is arranged below the cutter. There is a cutting support table used in conjunction with it, and the cutting support table is fixed on the welding rod straightening block; the flux spraying assembly includes a mounting frame, an adjustment bracket, an adjustment bolt, an adjustment block, a flux nozzle and a material receiving box, the mounting frame is arranged on the cutting mounting plate, the protruding end of the mounting frame is vertically installed with an adjustment bracket, the top of the adjustment bracket is installed with an adjustment bolt, the adjustment bolt acts on the adjustment block, the adjustment bracket is vertically provided with an adjustment waist hole, the adjustment screw passes through the adjustment waist hole and is locked on the adjustment block, the adjustment block is installed with a flux nozzle, and the shield below the flux nozzle is installed with a material receiving box; The welding device comprises a welding platform mechanism and a welding manipulator, wherein the welding platform mechanism is located on a conveyor belt and is horizontally and perpendicularly to the conveying direction thereof, a welding manipulator is arranged above the welding platform mechanism, and the welding platform mechanism comprises a linear module, a follower linear slide rail, a mobile frame and a welding platform assembly, wherein the linear module and the follower linear slide rail are arranged in parallel, a mobile frame is installed on the sliding block of the linear module, and the other end of the mobile frame is arranged on the slider of the follower linear slide rail, an array of welding platform assemblies with adjustable positions are installed on the mobile frame, and horizontally arranged adjustment holes are arranged equidistantly on the mobile frame, and screws are passed through the adjustment holes. After the node hole is opened, it is locked to the welding table assembly. The welding table assembly includes a welding table plate, a cylinder fixing plate, a lifting cylinder, a suction cup seat, a rubber suction cup, a welding point base plate and a welding point floating structure. The top of the welding table plate is provided with a scale line for adjusting the horizontal position, two cylinder fixing plates are installed at the bottom of the welding table plate, a lifting cylinder is installed on the cylinder fixing plate, a suction cup seat is installed on the telescopic rod of the lifting cylinder, a rubber suction cup is installed on the suction cup seat, a welding point base plate is installed on the bottom surface of the welding table plate, a welding point floating structure is installed in an array on the welding point base plate, and the rubber suction cup and the welding point floating structure pass through the welding table plate.

2. A battery assembly correction welding machine according to claim 1, characterized in that: The aligning device comprises a long-side synchronous aligning component and a short-side aligning component. The long-side synchronous aligning component comprises a base plate, a linear slide rail, a movable plate, a synchronous pulley, a synchronous belt, an extension cylinder and a stop roller. The base plate is provided with two linear slide rails which are consistent with the conveying direction of the conveyor belt. The two sets of sliders of the linear slide rail are respectively provided with a movable plate. Two synchronous pulleys are also inserted into the base plate. The synchronous pulleys are driven by a motor. The two synchronous pulleys are connected by a synchronous belt. The two sides of the synchronous belt are fixed to the movable plate by a belt pressure plate. The movable plate is provided with two extension cylinders. The stop roller is installed on the telescopic rod of the extension cylinder; the short-side aligning component comprises a single-axis driver, a fixed plate, a bearing plate, a universal ball, a guide support plate, a bracket, a buffer unit and a proximity switch. The single-axis driver drives the fixed plate to move. The fixed plate is provided with a bearing plate. A row of universal balls for supporting products are installed in an array on the bearing plate. The fixing plate is also provided with two guide support plates, the upper portion of the guide support plates is composed of a horizontal portion and a vertical portion, the horizontal portion is provided with a slope guide surface and a horizontal bearing surface connected in sequence, the vertical portion is provided with a gauge front surface, and the fixing plate is also provided with a bracket, a buffer unit pointing to the side of the product is installed on the bracket, and a proximity switch cooperating with the buffer unit is provided on the rear side of the buffer unit; the buffer unit comprises a catheter sleeve, a limit block, a buffer rod, a buffer spring and a buffer block, the catheter sleeve is fixed on the bracket, the limit block is inserted in the catheter sleeve, the opposite surfaces of the catheter sleeve and the limit block are provided with a slide groove hole, the buffer rod passes through the catheter sleeve and the limit block, a snap ring protruding outward is provided in the middle of the buffer rod, a buffer spring is sleeved on the buffer rod, the snap ring and the buffer spring are located in the slide groove hole, the buffer spring is respectively against the snap ring and the catheter sleeve, and a buffer block is installed at the protruding end of the buffer rod, and the buffer block is an elastic member.

3. A battery assembly correction welding machine according to claim 2, characterized in that: The visual positioning device includes a positioning light source, a movable light source, a square tube, a crossbeam frame, a mounting plate, a camera mounting frame, a CCD camera, a guide bar and a hanging buckle. The positioning light source is fixed on a bracket in the middle of the conveyor belt, and the movable light source is arranged on the fixing plates of the short side regularization components on both sides. Two square tubes are arranged above the movable light source, and the two square tubes are fixedly connected by the crossbeam frame. Three equidistantly arranged mounting plates are installed on the bottom of the crossbeam frame. Three groups of camera mounting frames are installed in an array on the mounting plate, and a CCD camera is installed at the lower end of the camera mounting frame. A card slot is horizontally arranged at the vertical end of the camera mounting frame, and a guide bar matching therewith is installed on the mounting plate, and a row of screw fixing holes are arranged on the mounting plates on both sides of the guide bar, and waist-shaped holes matching therewith are arranged on the camera mounting frame, and a hanging buckle for hanging is installed on the upper end of the square tube.

4. The battery assembly correction welding machine according to claim 1, characterized in that: The correction mechanism includes a follow-up component, a correction beam, a correction component, an expansion beam and a suction cup. The bottom of the correction template is connected to the correction beam through two follow-up components. Three groups of correction components are installed on the correction template. The three groups of correction components act on the correction beam. The side end of the correction beam is detachably installed with an expansion beam. The correction beam and the bottom array of the expansion beam are installed with suction cups for adsorbing battery cells; the follow-up component includes a slide, a turntable and a bearing seat. The slide is arranged on the correction template, and the slider of the slide is installed with A turntable, the bottom of which is movably connected to a deviation-correcting beam via a bearing seat; the deviation-correcting assembly comprises an eccentric wheel seat, an eccentric wheel plate, an eccentric wheel and a stepper motor; the eccentric wheel seat is fixed on the deviation-correcting beam; an eccentric wheel plate is fixedly mounted on the eccentric wheel seat; a deviation-correcting waist-shaped hole is provided on the eccentric wheel plate; an eccentric wheel is installed in the deviation-correcting waist-shaped hole; the eccentric wheel is driven by a stepper motor; the stepper motor is fixed on a deviation-correcting template; the deviation-correcting waist-shaped hole of the middle deviation-correcting mechanism is arranged horizontally and longitudinally; and the deviation-correcting waist-shaped holes of the deviation-correcting mechanisms on both sides are arranged horizontally and transversely.

5. The battery assembly deviation correction welding machine according to claim 1, characterized in that: The lifting and bending platform includes a lifting base plate, a lifting plate, a lifting cylinder, a lifting platform, a guide pin, a finger cylinder, a bending assembly and a two-way limit assembly. The lifting base plate is vertically arranged on the bracket of the single-axis manipulator, and the lifting plate is arranged on the lifting base plate through two vertical slide rails. A lifting cylinder is installed at the lower part of the lifting base plate, and the telescopic rod of the lifting cylinder is fixed to the lifting plate. The lifting cylinder drives the lifting plate to move along the slide rail direction. A lifting platform is horizontally installed on the top of the lifting cylinder. At least two groups of guide pins opposite to each other are installed on the top of the lifting platform. The distance between the guide pins in the same group is consistent with the width of the welding rod. A finger cylinder is installed on the lifting cylinder. The finger part of the finger cylinder passes through the lifting platform and the two fingers are located on both sides of the welding rod. A bending component is provided, and a two-way limit component is also installed on the lifting base plate; the bending component comprises a fixed block, a clamping finger, a pen-shaped cylinder, a double-ear seat, a bending lifting cylinder and a bending plate, the fixed block is arranged on the lifting base plate, the middle part of the clamping finger is movably inserted in the front end of the fixed block through a pin shaft, a pen-shaped cylinder is installed at the lower part of the fixed block, a double-ear seat is installed on the telescopic rod of the pen-shaped cylinder, the lower part of the clamping finger is movably inserted on the double-ear seat, a bending lifting cylinder is installed at the slot in the middle part of the fixed block, and a bending plate is installed on the telescopic rod of the bending lifting cylinder; the two-way limit component comprises a limit mounting block and a buffer, the limit mounting block is arranged on the lifting base plate, and two back-to-back buffers are installed on the limit mounting block, and the two buffers are respectively opposite to the lifting plate.

6. The battery assembly deviation correction welding machine according to claim 1, characterized in that: The solder joint floating structure includes a solder joint sealing plate, a silicone spring and a solder joint boss. The solder joint sealing plate is fixed to the solder joint bottom plate. The solder joint sealing plate is provided with a stepped hole with a decreasing aperture from bottom to top. A silicone spring is installed in the stepped hole. The upper protruding end of the silicone spring is sleeved with a solder joint boss. The silicone spring is composed of a mounting part, a connecting part and a clamping part with decreasing axial holes from bottom to top. A retaining hole is provided at the bottom of the mounting part, an inner concave ring is provided on the outer diameter of the clamping part, and the solder joint boss is clamped at the inner concave ring.

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