Battery cover electrode assembly equipment

Abstract

The present invention belongs to the field of automated machinery technology, and in particular, relates to a battery cover plate electrode assembly device, comprising: a frame, two turntable assembly machines and a transfer mechanism; the two turntable assembly machines are relatively arranged on the frame, and the transfer mechanism is connected between the two turntable assembly machines, and is used to transfer the battery cover plate of the previous turntable assembly machine to the next turntable assembly machine; the turntable assembly machine comprises: a dividing turntable mechanism, a positioning mold, a sealing ring assembly mechanism, a pole assembly mechanism, a protective cover picking mechanism, a laser welding device, a protective cover taking manipulator and a material unloading manipulator; it can realize automatic welding, improve efficiency, and reduce production costs. And when welding the two poles, there will be no problem of poor assembly accuracy caused by the error in the center distance of the two through holes of the battery cover, thereby ensuring the accuracy of the battery assembly after welding and improving the battery yield.

Description

Technical Field

[0001] The invention belongs to the technical field of clamping and positioning machinery, and in particular relates to a battery cover plate electrode assembly device. Background Art

[0002] The aluminum shell battery is composed of an aluminum shell and a battery cover 1. The battery cover is provided with positive and negative electrodes. The positive and negative electrodes include a pole 2 and a sealing ring 3 for sealing the pole and the cover. For details, please refer to Figure 1 In the process of assembling the battery cover, the seal is assembled on the battery cover, the pole is placed on the sealing ring, and the pole is welded to the battery cover.

[0003] At present, the assembly of battery cover is done by manually placing the sealing ring on the battery cover, then assembling the pole on the upper end of the sealing ring, manually positioning the assembled battery cover into a laser welding mold, and completing the welding of the pole and the battery cover by laser, which results in a huge workload and extremely low welding efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a battery cover plate electrode assembly device, aiming to solve the problem of low efficiency in the current battery cover plate assembly work of aluminum shell batteries.

[0005] To achieve the above-mentioned purpose, an embodiment of the present invention provides a battery cover plate electrode assembly device, comprising: a frame, two turntable assembly machines and a transfer mechanism; the two turntable assembly machines are relatively arranged on the frame, and the transfer mechanism is connected between the two turntable assembly machines, and is used to transfer the battery cover plate of the previous turntable assembly machine to the next turntable assembly machine; the turntable assembly machine comprises:

[0006] An indexing turntable mechanism is provided on the frame and is used to drive the turntable on the indexing turntable mechanism to rotate in an indexing manner;

[0007] A positioning mold, wherein a plurality of the positioning molds are equidistantly distributed on the edge of the rotating disk of the indexing rotating disk mechanism; the positioning mold is provided with a positioning boss and at least one limiting edge, the positioning boss is used to locate the through hole of the battery cover plate to be welded with the pole, and the limiting edge is used to locate the side edge of the battery cover plate;

[0008] And, arranged in sequence along the rotation direction of the indexing turntable mechanism are:

[0009] The sealing ring assembly mechanism is used to pick up the sealing ring and position it in the assembly hole of the battery cover;

[0010] The pole assembly mechanism is used to pick up the pole and position it into the assembly hole of the battery cover;

[0011] A protective cover picking mechanism is used to pick up the protective cover and cover it on the pole assembled in the battery cover plate;

[0012] A laser welding device, used to seal and weld the pole into the mounting hole of the battery cover;

[0013] A protective cover taking manipulator, used for clamping the protective cover on the battery cover; and

[0014] The unloading robot is used to transfer the battery cover plate with a pole welded thereon to the transfer mechanism.

[0015] Furthermore, the turntable assembly machine also includes a first CCD detection mechanism and a second CCD detection mechanism. The first CCD detection mechanism is arranged between the sealing ring assembly mechanism and the pole assembly mechanism, and is used to detect the sealing ring assembled on the battery cover; the second CCD detection mechanism is arranged between the protective cover picking mechanism and the laser welding device.

[0016] Furthermore, the positioning mold is longitudinally arranged on the turntable, and the center line of the positioning mold in the length direction is arranged along the radial direction of the turntable.

[0017] Furthermore, the sealing ring assembly mechanism includes a vibrating feed tray, a conveying track, a first manipulator and a suction mechanism; the vibrating feed tray, the conveying track and the first manipulator are all arranged on the frame, the conveying track is connected to the output end of the vibrating feed tray, a conveying track groove is arranged in the conveying track, a positioning cavity is arranged at the end of the conveying track, and the suction mechanism is arranged at the lifting end of the first manipulator; the first manipulator drives the suction mechanism to extend into the positioning cavity, and sucks the positioning sealing ring onto the battery cover.

[0018] Furthermore, the suction mechanism includes a connecting rod, a lower pressure sleeve, a compression spring and a lower pressure power piece; the upper end of the connecting rod is connected to the lifting end of the first manipulator; the lower pressure sleeve is loosely mounted on the connecting rod; the lower end of the lower pressure sleeve is provided with a step hole, and the upper end is provided with a cavity, one side of the cavity is provided with an air hole, which is connected to the negative pressure system, and the bottom of the cavity is provided with an adsorption hole that passes through the bottom; the lower end of the connecting rod is provided with a positioning part that loosely matches the step hole, and the compression spring is provided in the step hole, which is used to squeeze the lower pressure sleeve so that the end of the positioning part extends out of the step hole; the lower pressure power piece is connected to the lower pressure sleeve, which is used to push the lower pressure sleeve downward; the negative pressure system causes the bottom of the lower pressure sleeve to produce negative pressure, which is used to absorb the sealing ring; the diameter of the positioning part is smaller than the inner diameter of the sealing ring.

[0019] Furthermore, a downwardly recessed blind hole is provided on the positioning boss, and an upwardly protruding positioning platform is provided at the bottom of the blind hole; an extension portion is extended downward from the bottom of the positioning portion, and the diameter of the extension portion is smaller than the diameter of the positioning portion, and a positioning hole is provided at the bottom of the extension portion for positioning and cooperating with the positioning platform.

[0020] Furthermore, a downwardly recessed groove is provided on the top of the positioning platform, a suction nozzle is provided in the groove, the suction nozzle is connected to the negative pressure mechanism, and the suction nozzle is not lower than the groove.

[0021] Furthermore, the suction nozzle is connected to an elastic floating member so that the suction nozzle moves downward under pressure.

[0022] Further, the positioning mold comprises a connecting seat, a bottom plate, a guide support column, a positioning body, a guide column and a reset spring; the connecting seat is arranged on the turntable, the connecting seat is provided with two guide holes, the two guide support columns slide through the corresponding guide holes, the positioning body connects the upper ends of the two guide support columns, the positioning boss and the limiting edge are arranged on the positioning body; the bottom plate connects the lower ends of the two guide support columns, the two guide columns are arranged at the bottom end of the connecting seat, the lower ends of the guide columns slide through the bottom plate, and the reset spring is sleeved on each of the guide columns;

[0023] The laser welding device comprises a laser welding machine, a mounting seat, a mounting plate, a rotating gear, a cylinder, a rack, a pressure head and a lifting mechanism; the laser welding machine is arranged on one side of the frame, the mounting seat is arranged on the frame, the mounting plate is arranged on the upper end of the mounting seat, a bearing hole, a countersunk hole and a slide groove are provided on the mounting plate, and a notch is formed on one side of the countersunk hole; a connecting part is provided at the lower end of the rotating gear, and the connecting part is rotatably connected with the bearing hole, the rotating gear is located in the countersunk hole, the rotating gear is provided with an inner hole, and a pressing connecting part is extended toward the center from the inner side of the inner hole, and the pressure head is arranged at the bottom of the pressing connecting part; the rack is slidably arranged in the slide groove and meshes with the rotating gear, the cylinder is arranged on one side of the mounting plate and connected to the rack; the lifting mechanism is arranged at the lower end of the mounting seat, and is used to lift the corresponding bottom plate upward; the mounting plate and the lifting mechanism are located on the upper and lower sides of the turntable.

[0024] Furthermore, the lifting mechanism includes a slide rail, a lifting seat, an elastic pressure piece and an electric cam mechanism; the two slide rails are arranged on one side of the mounting seat, the lifting seat is slidably connected to the two slide rails, the elastic pressure piece is arranged on the lifting seat, and the electric cam mechanism is arranged at the lower end of the mounting seat for pushing the lifting seat to rise.

[0025] Furthermore, the positioning body includes a mold base and a positioning seat, the mold base is provided with a mounting hole, the positioning seat is slidably arranged in the mounting hole, and the upper end of the positioning seat extends out of the mounting hole to form the positioning boss; the positioning boss is provided with a second blind hole which is recessed downward, and a suction nozzle is provided in the second blind hole, and the suction nozzle is connected to the negative pressure system; the lower end of the positioning seat is higher than the bottom end of the mounting hole, the upper end of the guide support column extends into the lower end of the mounting hole, and a gap is provided between the guide support column and the positioning seat, and a second compression spring which squeezes the positioning seat is provided in the guide support column.

[0026] Furthermore, the pole assembly mechanism includes a pole conveying mechanism and a second manipulator provided on the frame; the pole conveying mechanism is used to convey the poles, and the second manipulator is used to pick up the poles on the pole conveying mechanism and assemble them on the battery cover of the positioning mold;

[0027] The protective cover picking mechanism includes a second vibrating feeding tray and a third manipulator, wherein the second vibrating feeding tray is used to convey the protective cover, and the third manipulator is used to pick up the protective cover from the second vibrating feeding tray and place it on the pole of the battery cover.

[0028] Furthermore, the indexing turntable mechanism also includes a feeding mechanism; used to pick up the battery cover and position it on the positioning mold; the feeding mechanism includes a third manipulator and a secondary positioning mechanism, and the secondary positioning mechanism is used to reposition the battery cover.

[0029] Furthermore, the secondary positioning mechanism includes a support seat, a positioning cylinder and a positioning plate, the support seat is arranged on the frame, the support seat is provided with a positioning cavity with one end open, the positioning cylinder is arranged on the support seat, and the positioning plate is arranged at the telescopic end of the positioning cylinder.

[0030] Furthermore, the transfer mechanism is a belt conveyor mechanism, and a steering mechanism is provided at the output end of the transfer mechanism for rotating the battery cover by 180°.

[0031] The above one or more technical solutions in the battery cover plate electrode assembly equipment provided by the embodiment of the present invention have at least the following technical effects:

[0032] 1. The battery cover is positioned in a positioning mold of the turntable. The mold with the battery cover is driven by the indexing turntable mechanism to pass through the sealing ring assembly mechanism in turn to position the sealing ring on the battery cover. The pole assembly mechanism positions the pole on the sealing ring. The protective cover picking mechanism covers the protective cover on the upper end of the pole. The laser welding device welds the pole to the battery cover. The protective cover taking robot takes out the protective cover. The unloading robot places the battery cover with one pole welded on the transfer mechanism and transfers it to the next turntable assembly machine to complete the welding of the other pole of the battery. Therefore, automatic welding is realized, efficiency is improved, and production costs are reduced.

[0033] 2. When the battery cover is positioned in the positioning mold, the positioning mold positions the through holes of the battery cover where the poles need to be welded, thereby ensuring the accuracy of the assembly of the sealing ring and the poles on the battery cover. During the assembly and welding process, the problem of poor assembly accuracy caused by the error in the center distance between the two through holes of the battery cover will not occur, thereby ensuring the accuracy of the battery assembly after welding and improving the yield rate of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0035] Figure 1 A three-dimensional diagram of a battery cover plate electrode assembly device provided in an embodiment of the present invention.

[0036] Figure 2 A top view of a battery cover plate electrode assembly device provided in an embodiment of the present invention.

[0037] Figure 3 A structural diagram of the turntable of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0038] Figure 4 A structural diagram of the sealing ring assembly mechanism of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0039] Figure 5 A structural diagram of the suction mechanism of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0040] Figure 6 A structural diagram of the positioning mold of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0041] Figure 7A cross-sectional view of the positioning mold of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0042] Figure 8 for Figure 7 A partial enlarged view of .

[0043] Fig. 9 A structural diagram of another embodiment of the positioning mold of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0044] Fig.10 A structural diagram of another embodiment of the positioning mold of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0045] Fig.11 for Fig.10 Cross-sectional view of.

[0046] Fig.12 A structural diagram of the laser welding device of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0047] Fig.13 A structural diagram of the lifting mechanism portion of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0048] Fig.14 A cross-sectional view of the mounting plate of the battery cover plate electrode assembly device provided in an embodiment of the present invention.

[0049] Fig.15 A structural diagram of the pole assembly mechanism of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0050] Fig.16 A structural diagram of the protective cover picking mechanism of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0051] Fig.17 A structural diagram of the feeding mechanism of the battery cover plate electrode assembly equipment provided in an embodiment of the present invention.

[0052] Fig.18 A cross-sectional view of the battery cover. DETAILED DESCRIPTION

[0053] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0054] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0056] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0057] In one embodiment of the present invention, referring to Figure 1 and Figure 2 , a battery cover plate electrode assembly equipment, comprising: a frame 100, two turntable assembly machines 200 and a transfer mechanism 300. The two turntable assembly machines 200 are relatively arranged on the frame 100, and the transfer mechanism 300 is connected between the two turntable assembly machines 200, and is used to transfer the battery cover plate of the previous turntable assembly machine 200 to the next turntable assembly machine 200. Specifically, one turntable assembly machine 200 completes the welding of the positive pole column on the battery cover plate, and the other turntable assembly machine 200 completes the welding of the negative pole column of the battery cover plate. After the turntable assembly machine 200 completes the welding of the positive pole frame of the battery cover plate, the battery cover plate is rotated to the next turntable assembly machine 200 through the transfer mechanism 300, and then the assembly welding of the negative pole column of the battery cover plate is completed.

[0058] The turntable assembly machine 200 includes: a dividing turntable mechanism 210, a positioning mold 220, a sealing ring assembly mechanism 230, a pole assembly mechanism 240, a protective cover picking mechanism 250, a laser welding device 260, a protective cover taking robot 270 and a material unloading robot 280. Among them:

[0059] The indexing turntable mechanism 210 is disposed on the frame 100 and is used to drive the turntable 211 on the indexing turntable mechanism 210 to rotate in an indexing manner.

[0060] The plurality of positioning molds 220 are evenly distributed on the edge of the turntable 211 of the indexing turntable mechanism 210, please refer to Figure 1~Figure 3 The positioning mold 220 is provided with a positioning boss 221 and at least one limiting edge 222. The positioning boss 221 is used to locate the through hole of the battery cover plate to be welded with the pole, and the limiting edge 222 is used to locate the side of the battery cover plate. The sealing ring assembly mechanism 230, the pole assembly mechanism 240, the protective cover picking mechanism 250, the laser welding device 260, the protective cover taking manipulator 240 and the unloading manipulator 280 are arranged in sequence along the rotation direction of the indexing turntable mechanism 210. When welding the positive electrode to the battery cover, the battery cover is positioned on the positioning mold 220, the positioning boss 221 on the positioning mold 220 is positioned in the through hole of the electrode assembly position, and the limiting edge 222 limits the side of the battery cover, and the positioning mold 220 with the battery cover positioned by the dividing turntable mechanism 210 passes through the sealing ring assembly mechanism 230, the electrode assembly mechanism 240, the protective cover picking mechanism 250, the laser welding device 260, the protective cover taking robot 270 and the unloading robot 280 in sequence. The sealing ring assembly mechanism 230 positions the sealing ring on the battery cover, the pole assembly mechanism 240 positions the pole on the sealing ring, the protective cover picking mechanism 250 covers the protective cover on the upper end of the pole, the laser welding device 260 welds the pole on the battery cover, the protective cover taking manipulator 270 takes out the protective cover, and the unloading manipulator 280 places the battery cover with one pole welded on the transfer mechanism 300, and transfers it to the next turntable assembly machine 200 to complete the welding of the other pole of the battery, thereby realizing automatic welding, improving efficiency, and reducing production costs. When the battery cover is positioned in the positioning mold 220, the positioning mold 220 is to position the through hole of the battery cover where the pole needs to be welded, thereby ensuring the accuracy of the sealing ring and the pole assembly on the battery cover. In the process of assembly and welding, the problem of poor assembly accuracy caused by the error in the center distance between the two through holes of the battery cover will not occur, thereby ensuring the accuracy of the battery assembly after welding and improving the yield rate of the battery.

[0061] For further information, please refer to Figure 1 and Figure 2The turntable assembly machine 200 further includes a first CCD detection mechanism 201 and a second CCD detection mechanism 202. The first CCD detection mechanism 201 is arranged between the sealing ring assembly mechanism 230 and the pole assembly mechanism 230, and is used to detect whether the position of the sealing ring assembled on the battery cover is accurate. The second CCD detection mechanism 202 is arranged between the protective cover picking mechanism 250 and the laser welding device 260. The position of the protective cover is detected by the second CCD detection mechanism 202, thereby ensuring the quality of welding during welding and improving the welding yield rate.

[0062] For further information, please refer to Figure 3 The positioning mold 220 is longitudinally arranged on the turntable 211, and the center line of the length direction of the positioning mold 220 is arranged along the radial direction of the turntable 211. In this embodiment, the positioning mold 220 is longitudinally arranged, which can save the space of the turntable. When placing the same positioning mold 220, the turntable 211 of this embodiment can be minimized, thereby reducing the overall volume of the device and reducing the cost of the device.

[0063] The sealing ring assembly mechanism 230 has a specific embodiment, please refer to Figure 4 , which includes a vibrating feed tray 231, a conveying track 232, a first manipulator 233 and a suction mechanism 234. The vibrating feed tray 231, the conveying track 232 and the first manipulator 233 are all arranged on the frame 100, the conveying track 232 is connected to the output end of the vibrating feed tray 231, a conveying track groove 235 is arranged in the conveying track 232, a positioning cavity 236 is arranged at the end of the conveying track 232, and the suction mechanism 234 is arranged at the lifting end of the first manipulator 233; the first manipulator 233 drives the suction mechanism 234 to extend into the positioning cavity 236, and sucks the positioning sealing ring onto the battery cover. Specifically, the sealing rings are transported one by one into the conveying track groove 235 by the vibrating feed tray 231, and the sealing ring at the front end is pushed to be positioned in the positioning cavity 236, and the suction mechanism 234 is driven by the first manipulator 233 to move and suck the sealing ring, and position it to the sealing ring assembly position of the battery cover.

[0064] For further information, please refer to Figure 5The suction mechanism 234 includes a connecting rod 2341, a lower pressure sleeve 2342, a compression spring 2344 and a lower pressure power member 2345. The upper end of the connecting rod 2341 is connected to the lifting end of the first manipulator 233. The lower pressure sleeve 2342 is sleeved on the connecting rod 2341 with a clearance fit. A step hole 2346 is provided at the lower end of the lower pressure sleeve 2342, and a cavity 2347 is provided at the upper end. An air hole 2348 is provided on one side of the cavity 2347, which is connected to the negative pressure system. The bottom of the cavity 2347 is provided with an adsorption hole that passes through to the bottom of the lower pressure sleeve. The lower end of the connecting rod 2341 is provided with a positioning portion 2349 which is gap-matched with the step hole 2346. The compression spring 2344 is arranged in the step hole 2346 and is used to squeeze the lower pressure sleeve 2342 so that the end of the positioning portion 2349 extends out of the step hole 2346. The downward pressure power member 2345 is connected to the lower pressure sleeve 2342 and is used to push the lower pressure sleeve 2342 downward. The negative pressure system causes the bottom of the lower pressure sleeve 2342 to produce negative pressure for sucking the sealing ring. In this embodiment, when the sealing ring in the positioning cavity 236 is sucked, the first manipulator 233 drives the suction mechanism 234 to descend as a whole, and the positioning part 2349 extends into the inner ring of the sealing ring to achieve the guiding and positioning of the sealing ring, and the suction hole generates negative pressure through the negative pressure system, so that the sealing ring is sucked on the bottom of the lower pressing sleeve 2342, and the first manipulator 233 drives the whole to move, so that the sealing ring is located at the sealing ring assembly position of the battery cover, and the lower pressing sleeve 2342 is pushed by the pressing power part 2345, so that the seal is pushed downward and assembled at the sealing ring assembly position. Further, the outer diameter of the positioning part 2349 is smaller than the aperture of the sealing ring, so that when the sealing ring is set on the positioning part 2349, the sealing ring can be prevented from being deformed, and when the sealing ring is pushed down by the lower pressing sleeve 2342, the sealing ring can be prevented from being scratched and deformed, thereby effectively preventing the sealing ring from being dislocated due to the deformation elastic force when it is assembled in the case position.

[0065] This embodiment is an embodiment of the positioning mold 220, please refer to Figures 6-8 , the positioning boss 221 is also provided with a downwardly recessed blind hole 223, and the bottom of the blind hole 223 is provided with an upwardly protruding positioning platform 224. The positioning platform 224 and the blind hole 223 directly form a fixed groove. An extension portion 2340 extends downward from the bottom of the positioning portion 2349, and the diameter of the extension portion 2340 is smaller than the diameter of the positioning portion 2349. A positioning hole is provided at the bottom of the extension portion 2340 for positioning and matching with the positioning platform 224. In this embodiment, when the sealing ring is assembled on the battery cover, the positioning hole is positioned on the positioning platform 224, and the extension portion 2340 is positioned in the positioning groove; thereby achieving the positioning of the sealing ring and improving the accuracy of the sealing ring assembly.

[0066] Furthermore, a downwardly recessed groove is provided on the top of the positioning platform 224, and a suction nozzle 225 is provided in the groove. The suction nozzle 225 is connected to the negative pressure mechanism, and the suction nozzle 225 is not lower than the groove. In this embodiment, when the pole is assembled with the battery cover by the pole assembly mechanism 240, the pole is adsorbed by the suction nozzle 225 to prevent the pole from contacting the sealing ring before welding, thereby preventing the pole from shaking when the turntable 211 rotates, causing the sealing ring to be misaligned.

[0067] Furthermore, the suction nozzle 225 is connected to the elastic floating member, and during the pole welding process, when the pole is pressed down, the suction nozzle 225 can move downward, so that the pole can fit tightly with the sealing ring.

[0068] For another specific embodiment of the positioning mold 220, please refer to Figures 9-11 The positioning mold 220 includes a connecting seat 2200, a bottom plate 2201, a guide support column 2202, a positioning body 2203, a guide column 2204 and a reset spring 2205. The connecting seat 2200 is arranged on the rotating disk 211, and two guide holes are arranged on the connecting seat 2200. The two guide support columns 2202 slide through the corresponding guide holes. The positioning body 2203 connects the upper ends of the two guide support columns 2202. The positioning boss 221 and the limiting edge 222 are arranged on the positioning body 2203; the bottom plate 2201 connects the lower ends of the two guide support columns 2202, and the two guide columns 2204 are arranged at the bottom end of the connecting seat 2200. The lower ends of the guide columns 2204 slide through the bottom plate 2201, and the reset spring 2205 is sleeved on each of the guide columns 2204.

[0069] Reference Figure 12~Figure 14The laser welding device 260 includes a laser welding machine 261, a mounting seat 262, a mounting plate 263, a rotating gear 264, a cylinder 265, a rack 266, a pressure head 267 and a lifting mechanism 268. The laser welding machine 261 is arranged on one side of the frame 100, the mounting seat 262 is arranged on the frame 100, the mounting plate 263 is arranged on the upper end of the mounting seat 262, and the mounting plate 263 is provided with a bearing hole, a countersink and a slide groove, and the slide groove forms a notch on one side of the countersink. The lower end of the rotating gear 264 is provided with a connecting portion, which is rotatably connected to the bearing hole. The rotating gear 264 is located in the countersunk hole. The rotating gear 264 is provided with an inner hole. A pressing connecting portion 269 is extended from the inner side of the inner hole toward the center. The pressure head 267 is provided at the bottom of the pressing connecting portion 269. The rack 266 is slidably provided in the slide groove and meshes with the rotating gear 264. The cylinder 265 is provided at one side of the mounting plate 263 and connected to the rack 266. The lifting mechanism 268 is provided at the lower end of the mounting seat 262 and is used to lift the corresponding bottom plate 2201 upward. The mounting plate 263 and the lifting mechanism 268 are located at the upper and lower sides of the rotating disk 211. Specifically, in this embodiment, when the turntable 211 drives the battery cover to rotate between the lifting mechanism 268 and the mounting plate 263, when welding the pole, the lifting mechanism 268 lifts the bottom plate 2201 upward, and the bottom plate 2201 pushes the guide support column 2202 upward, thereby lifting the positioning body 2203 and the battery cover upward, so that the pressure head 267 contacts the pole and presses the pole, so that the sealing ring is compressed, and the pole contacts the battery cover, and then the pole is welded by the laser welding machine 261, and the edge of the pole is welded to the battery cover, and then during the welding process, the rack 266 is pushed by the cylinder 265, thereby pushing the rotating gear 264 and the downward pressing connection part 269 to rotate, so that the downward pressing connection part 269 rotates and is misaligned with the laser, so that the laser welding machine 261 can complete the welding of the entire circle of the pole.

[0070] Further, refer to Fig.13 , the lifting mechanism 268 includes a slide rail 2680, a lifting seat 2681, an elastic pressure piece 2682 and an electric cam mechanism 2683. The two slide rails 2680 are arranged on one side of the mounting seat 262, the lifting seat 2681 is slidably connected to the two slide rails 2680, the elastic pressure piece 2682 is arranged on the lifting seat 2681, and the electric cam mechanism 2683 is arranged at the lower end of the mounting seat 262, and is used to push the lifting seat 2681 to rise. In this embodiment, when welding is required, the lifting seat 2681 is pushed by the electric cam mechanism 2683, so that the elastic pressure piece 2682 contacts the bottom plate 2201, and then the positioning body 2203 is pushed up, and the use of the elastic pressure piece 2682 to push the positioning mold can play a buffering and protective role on the battery cover and the pole.

[0071] For further information, please refer to Figures 9-11 The positioning body 2203 includes a mold base 2206 and a positioning seat 2207. The mold base 2206 is provided with a mounting hole. The positioning seat 2207 is slidably arranged in the mounting hole. The upper end of the positioning seat 2207 extends out of the mounting hole to form the positioning boss 221. The positioning boss 221 is provided with a second blind hole that is recessed downward. A suction nozzle 2208 is arranged in the second blind hole. The suction nozzle 2208 is connected to the negative pressure system. The lower end of the positioning seat 2207 is higher than the bottom end of the mounting hole. The upper end of the guide support column 2202 extends into the lower end of the mounting hole. A gap is arranged between the guide support column 2202 and the positioning seat 2207. A second compression spring 2209 for squeezing the positioning seat 2207 is arranged in the guide support column 2202. In this embodiment, when the pole is assembled with the battery cover by the pole assembly mechanism 240, the pole is sucked by the suction nozzle 2208 to prevent the pole from contacting the sealing ring before welding, thereby preventing the pole from shaking and causing the sealing ring to be misaligned when the turntable 211 rotates. In addition, during the pole welding process, when the pole is pressed down, the suction nozzle 2208 can move downward so that the pole can fit tightly with the sealing ring.

[0072] Further, refer to Fig.15 The pole assembly mechanism 240 includes a pole conveying mechanism 241 and a second manipulator 242 provided on the frame 100; the pole conveying mechanism 241 is used to convey the poles, and the second manipulator 242 is used to pick up the poles on the pole conveying mechanism 241 and assemble them onto the battery cover plate of the positioning mold 220.

[0073] Reference Fig.16 The protective cover picking mechanism 250 includes a second vibrating feeding tray 251 and a third manipulator 252. The second vibrating feeding tray 251 is used to convey the protective cover, and the third manipulator 252 is used to pick up the protective cover of the second vibrating feeding tray 251 and place it on the pole of the battery cover.

[0074] Furthermore, the indexing turntable mechanism 200 also includes a loading mechanism 290, which is used to pick up the battery cover and position it on the positioning mold 220; the loading mechanism 290 includes a third manipulator 291 and a secondary positioning mechanism 292, and the secondary positioning mechanism 292 is used to reposition the battery cover.

[0075] Further, refer to Fig.17The secondary positioning mechanism 292 includes a support seat 2920, a positioning cylinder 2921 and a positioning plate 2922. The support seat 2920 is arranged on the frame 100. The support seat 2920 is provided with a positioning cavity with an open end. The positioning cylinder 2921 is arranged on the support seat 2920, and the positioning plate 2922 is arranged at the telescopic end of the positioning cylinder 2921.

[0076] Furthermore, the transfer mechanism 300 is a belt conveyor mechanism, and a steering mechanism (not shown in the drawings) is disposed at the output end of the transfer mechanism 300 for rotating the battery cover by 180°.

[0077] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery cover electrode assembly device, characterized in that: include: The frame, two turntable assembling machine and transfer mechanism; The two turntable assembly machines are arranged on the frame relatively to each other, and the transfer mechanism is connected between the two turntable assembly machines to transfer the battery cover of the previous turntable assembly machine to the next turntable assembly machine; the turntable assembly machine comprises: An indexing turntable mechanism is provided on the frame and is used to drive the turntable on the indexing turntable mechanism to rotate in an indexing manner; A positioning mold, wherein a plurality of the positioning molds are equidistantly distributed on the edge of the rotating disk of the indexing rotating disk mechanism; the positioning mold is provided with a positioning boss and at least one limiting edge, the positioning boss is used to locate the through hole of the battery cover plate to be welded with the pole, and the limiting edge is used to locate the side edge of the battery cover plate; And, arranged in sequence along the rotation direction of the indexing turntable mechanism are: The sealing ring assembly mechanism is used to pick up the sealing ring and position it in the assembly hole of the battery cover; The pole assembly mechanism is used to pick up the pole and position it into the assembly hole of the battery cover; A protective cover picking mechanism is used to pick up the protective cover and cover it on the pole assembled in the battery cover plate; A laser welding device, used to seal and weld the pole into the mounting hole of the battery cover; A protective cover taking manipulator, used for clamping the protective cover on the battery cover; and A material unloading robot, used for transferring a battery cover plate welded with a pole to the transfer mechanism; The sealing ring assembly mechanism includes a vibrating feeding tray, a conveying track, a first manipulator and a suction mechanism; the vibrating feeding tray, the conveying track and the first manipulator are all arranged on the frame, the conveying track is connected to the output end of the vibrating feeding tray, a conveying track groove is arranged in the conveying track, a positioning cavity is arranged at the end of the conveying track, and the suction mechanism is arranged at the lifting end of the first manipulator; the first manipulator drives the suction mechanism to extend into the positioning cavity, and sucks the positioning sealing ring onto the battery cover; The suction mechanism includes a connecting rod, a lower pressing sleeve, a compression spring and a lower pressing power piece; the upper end of the connecting rod is connected to the lifting end of the first manipulator; the lower pressing sleeve sliding sleeve is arranged on the connecting rod; the lower end of the lower pressing sleeve is provided with a step hole, and the upper end is provided with a cavity, one side of the cavity is provided with an air hole, which is connected to the negative pressure system, and the bottom of the cavity is provided with an adsorption hole that passes through the bottom of the lower pressing sleeve; the lower end of the connecting rod is provided with a positioning part that matches the gap with the step hole, and the compression spring is arranged in the step hole, which is used to squeeze the lower pressing sleeve so that the end of the positioning part extends out of the step hole; the lower pressing power piece is connected to the lower pressing sleeve, which is used to push the lower pressing sleeve downward; the negative pressure system makes the bottom of the lower pressing sleeve produce negative pressure for sucking the sealing ring; the diameter of the positioning part is smaller than the inner diameter of the sealing ring; the dividing turntable mechanism also includes a feeding mechanism; which is used to pick up the battery cover and position it on the positioning mold; the feeding mechanism includes a third manipulator and a secondary positioning mechanism, and the secondary positioning mechanism is used to reposition the battery cover.

2. The battery cover electrode assembly equipment according to claim 1, characterized in that: The turntable assembly machine also includes a first CCD detection mechanism and a second CCD detection mechanism. The first CCD detection mechanism is arranged between the sealing ring assembly mechanism and the pole assembly mechanism, and is used to detect the sealing ring assembled on the battery cover; the second CCD detection mechanism is arranged between the protective cover picking mechanism and the laser welding device.

3. The battery cover electrode assembly equipment according to claim 1, characterized in that: The positioning mold is longitudinally arranged on the turntable, and the center line of the positioning mold in the length direction is arranged along the radial direction of the turntable.

4. The battery cover electrode assembly equipment according to claim 1, characterized in that: The positioning boss is also provided with a downwardly recessed blind hole, and the bottom of the blind hole is provided with an upwardly protruding positioning platform; an extension portion extends downward from the bottom of the positioning portion, and the diameter of the extension portion is smaller than the diameter of the positioning portion, and a positioning hole is provided at the bottom of the extension portion for positioning and cooperating with the positioning platform.

5. The battery cover electrode assembly equipment according to claim 4, characterized in that: A downwardly sunken groove is provided on the top of the positioning platform, a suction nozzle is provided in the groove, the suction nozzle is connected to the negative pressure mechanism, and the suction nozzle is not lower than the groove.

6. The battery cover electrode assembly equipment according to claim 5, characterized in that: The suction nozzle is connected to the elastic floating member so that the suction nozzle moves downward under pressure.

7. The battery cover electrode assembly equipment according to any one of claims 1 to 3, characterized in that: The positioning mold comprises a connecting seat, a bottom plate, a guide support column, a positioning body, a guide column and a reset spring; the connecting seat is arranged on the turntable, the connecting seat is provided with two guide holes, the two guide support columns slide through the corresponding guide holes, the positioning body connects the upper ends of the two guide support columns, the positioning boss and the limiting edge are arranged on the positioning body; the bottom plate connects the lower ends of the two guide support columns, the two guide columns are arranged at the bottom end of the connecting seat, the lower ends of the guide columns slide through the bottom plate, and the reset spring is sleeved on each of the guide columns; The laser welding device comprises a laser welding machine, a mounting seat, a mounting plate, a rotating gear, a cylinder, a rack, a pressure head and a lifting mechanism; the laser welding machine is arranged on one side of the frame, the mounting seat is arranged on the frame, the mounting plate is arranged on the upper end of the mounting seat, a bearing hole, a countersunk hole and a slide groove are provided on the mounting plate, and a notch is formed on one side of the countersunk hole; a connecting part is provided at the lower end of the rotating gear, and the connecting part is rotatably connected with the bearing hole, the rotating gear is located in the countersunk hole, the rotating gear is provided with an inner hole, and a pressing connecting part is extended toward the center from the inner side of the inner hole, and the pressure head is arranged at the bottom of the pressing connecting part; the rack is slidably arranged in the slide groove and meshes with the rotating gear, the cylinder is arranged on one side of the mounting plate and connected to the rack; the lifting mechanism is arranged at the lower end of the mounting seat, and is used to lift the corresponding bottom plate upward; the mounting plate and the lifting mechanism are located on the upper and lower sides of the turntable.

8. The battery cover electrode assembly equipment according to claim 7, characterized in that: The lifting mechanism includes a slide rail, a lifting seat, an elastic pressure piece and an electric cam mechanism; the two slide rails are arranged on one side of the mounting seat, the lifting seat is slidably connected to the two slide rails, the elastic pressure piece is arranged on the lifting seat, and the electric cam mechanism is arranged at the lower end of the mounting seat for pushing the lifting seat to rise.

9. The battery cover electrode assembly equipment according to claim 8, characterized in that: The positioning body includes a mold base and a positioning seat, the mold base is provided with a mounting hole, the positioning seat is slidably arranged in the mounting hole, the upper end of the positioning seat extends out of the mounting hole to form the positioning boss; the positioning boss is provided with a second blind hole which is recessed downward, a suction nozzle is arranged in the second blind hole, and the suction nozzle is connected to the negative pressure system; the lower end of the positioning seat is higher than the bottom end of the mounting hole, the upper end of the guide support column extends into the lower end of the mounting hole, and a gap is arranged between the guide support column and the positioning seat, and a second compression spring which squeezes the positioning seat is arranged in the guide support column.

10. The battery cover electrode assembly equipment according to claim 1, characterized in that: The pole assembly mechanism includes a pole conveying mechanism and a second manipulator provided on the frame; the pole conveying mechanism is used to convey poles, and the second manipulator is used to pick up poles on the pole conveying mechanism and assemble them on the battery cover of the positioning mold; The protective cover picking mechanism includes a second vibrating feeding tray and a third manipulator, wherein the second vibrating feeding tray is used to convey the protective cover, and the third manipulator is used to pick up the protective cover from the second vibrating feeding tray and place it on the pole of the battery cover.

11. The battery cover electrode assembly equipment according to claim 1, characterized in that: The secondary positioning mechanism includes a support seat, a positioning cylinder and a positioning plate. The support seat is arranged on the frame. The support seat is provided with a positioning cavity with one end open. The positioning cylinder is arranged on the support seat. The positioning plate is arranged at the telescopic end of the positioning cylinder.

12. The battery cover electrode assembly equipment according to claim 1, characterized in that: The transfer mechanism is a belt conveyor mechanism, and a steering mechanism is provided at the output end of the transfer mechanism for rotating the battery cover plate by 180°.

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