Sealing nail welding equipment

Abstract

The utility model provides sealing nail welding equipment which comprises a return line and a clamp, the clamp is arranged on the return line and can move in the conveying direction of the return line, and the clamp is used for clamping a battery. The feeding mechanism, the laser cleaning mechanism, the nail feeding mechanism, the pre-welding mechanism, the full-length welding mechanism, the post-welding detection mechanism and the discharging mechanism are sequentially arranged in the conveying direction of the return line. When the clamp moves in the conveying direction of the return line, the clamp can be matched with the feeding mechanism, the laser cleaning mechanism, the nail feeding mechanism, the pre-welding mechanism, the full welding mechanism, the post-welding detection mechanism and the discharging mechanism one by one. According to the utility model, the welding efficiency of the sealing nail can be effectively improved through backflow circulation of the clamp, so that the processing efficiency of a battery can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery sealing nail assembly, in particular to a sealing nail welding device. Background Art

[0002] After the battery is assembled, electrolyte needs to be injected into the battery through the injection hole opened in the cover plate. The injection hole is then sealed with sealing pins to achieve the battery seal. Existing sealing pin welding equipment has low production efficiency and cannot meet production and processing requirements. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a sealing nail welding device, which can effectively improve the welding efficiency of the sealing nails.

[0004] The embodiments of the present invention are achieved through the following technical solutions:

[0005] A sealing nail welding device includes a reflow line and a clamp, wherein the clamp is arranged on the reflow line and can move along the transport direction of the reflow line, and the clamp is used to clamp the battery; it also includes a loading mechanism, a laser cleaning mechanism, a nailing mechanism, a pre-welding mechanism, a full-welding mechanism, a post-weld detection mechanism and a unloading mechanism arranged in sequence along the transport direction of the reflow line; when the clamp moves along the transport direction of the reflow line, it can be paired one by one with the loading mechanism, the laser cleaning mechanism, the nailing mechanism, the pre-welding mechanism, the full-weld mechanism, the post-weld detection mechanism and the unloading mechanism respectively.

[0006] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0007] The battery of the present invention is assembled into the fixture through the feeding mechanism, and the fixture is refluxed and transported on the reflux line through the laser cleaning mechanism, nailing mechanism, pre-welding mechanism, full-welding mechanism, post-welding detection mechanism and unloading mechanism in sequence, which correspondingly realize the laser cleaning of the injection hole, sealing nail assembly, pre-welding and full-welding of the sealing nail, as well as post-welding detection and unloading. After unloading, the fixture flows back to the feeding mechanism to be loaded again and repeat the above-mentioned processing steps, which can greatly improve the assembly and welding efficiency of the sealing nails, and also improve the production efficiency of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0009] Figure 1 A schematic diagram of the three-dimensional structure of a sealing nail welding device provided in an embodiment of the present utility model;

[0010] Figure 2 A schematic top view of the sealing nail welding device provided in an embodiment of the present invention;

[0011] Figure 3 A schematic diagram of a top view of a recirculation line assembly fixture provided by an embodiment of the present utility model;

[0012] Figure 4 A schematic diagram of the three-dimensional structure of the loading mechanism and the unloading mechanism provided in an embodiment of the utility model;

[0013] Figure 5 A schematic diagram of the three-dimensional structure of the feeding and grabbing portion provided in an embodiment of the utility model;

[0014] Figure 6 A schematic diagram of the three-dimensional structure of the gripper execution part provided in an embodiment of the utility model;

[0015] Figure 7 A schematic diagram of the three-dimensional structure of the laser cleaning mechanism and the fixture provided in an embodiment of the utility model;

[0016] Figure 8 A schematic diagram of the three-dimensional structure of a laser cleaning mechanism provided in an embodiment of the present utility model;

[0017] Figure 9 A schematic diagram of the three-dimensional structure of the nailing mechanism provided in an embodiment of the present utility model;

[0018] Figure 10 A schematic diagram of the three-dimensional structure of the pre-welding mechanism and the fixture provided in an embodiment of the present utility model;

[0019] Figure 11 A schematic diagram of the three-dimensional structure of a pre-welding mechanism provided in an embodiment of the present utility model;

[0020] Figure 12 A schematic diagram of the assembly structure of the fifth bracket and the welding reference plate provided in an embodiment of the present utility model;

[0021] Figure 13 for Figure 12 A partial enlarged schematic diagram of the structure at point B in the middle;

[0022] Figure 14 for Figure 12 A partial enlarged schematic diagram of the structure at position C in the middle;

[0023] Figure 15 A schematic diagram of the three-dimensional structure of a post-weld detection mechanism provided by an embodiment of the present utility model;

[0024] Figure 16 A schematic diagram of the three-dimensional structure of the clamp provided by an embodiment of the utility model after assembling a battery;

[0025] Figure 17 A schematic diagram of the front structure of a clamp provided in an embodiment of the present utility model;

[0026] Figure 18 for Figure 17 Schematic diagram of the cross-sectional structure of the middle DD section;

[0027] Figure 19 A schematic diagram of the three-dimensional structure of the unlocking mechanism provided in an embodiment of the present utility model;

[0028] Figure 20 for Figure 1 A partial enlarged schematic diagram of the structure at point A in the middle.

[0029] Icons: 01, rack; 02, return line; 021, long side; 0211, second guide rail; 022, short side; 0221, tray; 02211, first guide rail; 023, drive unit; 0231, drive plate; 03, feed line; 04, battery; 1, loading mechanism; 101, first linear module; 102, second linear module; 11, support beam; 111, support column; 12, adapter plate; 13, loading gripper; 131, first extension frame; 132, gripper; 1321, first extension seat; 1322, gripper actuator; 1322 1. Hanging seat; 13222. First driving member; 13223. Clamping claw; 1323. First buffer; 2. Laser cleaning mechanism; 21. First bracket; 211. Third linear module; 212. First adapter bracket; 213. Fourth linear module; 214. First galvanometer bracket; 22. Cleaning galvanometer; 23. Second bracket; 24. Cleaning reference plate; 241. Cleaning hole; 25. Second driving member; 26. Dust cover; 261. Light hole; 262. Dust exhaust hole; 3. Nail-up mechanism; 31. Third bracket; 311. Suction cup; 312. Fifth linear module; 32. Fourth bracket; 321, vibrating plate nail feeding assembly; 4, pre-welding mechanism; 41, fifth bracket; 42, welding reference plate; 421, welding hole; 422, avoidance groove; 43, sixth linear module; 44, sixth bracket; 45, welding galvanometer; 46, pressure rod; 461, mounting section; 462, pressing section; 4621, pressing protrusion; 463, guide roller; 47, telescopic member; 48, guide plate; 481, guide groove; 49, third driving member; 5, full welding mechanism; 6, post-weld inspection mechanism; 61, visual component; 7, unloading mechanism; 8, fixture; 80, carrier plate; 81. Box body; 811. Extension plate; 8111. Second limiting protrusion; 812. First hanging plate; 8121. Hanging wheel; 813. Second hanging plate; 8131. Hanging groove; 814. Driving notch; 82. Reference block; 83. Clamping block; 831. Sliding plate; 84. Limiting plate; 841. First limiting protrusion; 85. Guide rod; 86. Preload spring; 87. Unlocking plate; 871. Unlocking inclined plane; 9. Unlocking mechanism; 91. Fourth driving member; 92. Unlocking head; 93. Seventh bracket; 94. Unlocking roller; X, first direction; Y, second direction; Z, longitudinal direction. DETAILED DESCRIPTION

[0030] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0033] Please refer to Figures 1 to 20 A sealing nail welding device includes a reflow line 02 and a clamp 8. The clamp 8 is arranged on the reflow line 02 and can move along the transportation direction of the reflow line 02. The clamp 8 is used to clamp the battery 04; it also includes a loading mechanism 1, a laser cleaning mechanism 2, a nailing mechanism 3, a pre-welding mechanism 4, a full welding mechanism 5, a post-weld detection mechanism 6 and a unloading mechanism 7 which are arranged in sequence along the transportation direction of the reflow line 02; when the clamp 8 moves along the transportation direction of the reflow line 02, it can be paired one by one with the loading mechanism 1, the laser cleaning mechanism 2, the nailing mechanism 3, the pre-weld mechanism 4, the full welding mechanism 5, the post-weld detection mechanism 6 and the unloading mechanism 7 respectively. In this embodiment, the battery 04 is assembled into the fixture 8 through the loading mechanism 1. The fixture 8 is refluxed and transported on the reflow line 02 and passes through the laser cleaning mechanism 2, the nailing mechanism 3, the pre-welding mechanism 4, the full welding mechanism 5, the post-welding inspection mechanism 6 and the unloading mechanism 7 in sequence, which correspondingly realize the laser cleaning of the injection hole, the assembly of the sealing nails, the pre-welding and full welding of the sealing nails, as well as the post-welding inspection and unloading. After unloading, the fixture 8 flows back to the loading mechanism 1 to be loaded again and repeat the above-mentioned processing steps, which can greatly improve the assembly and welding efficiency of the sealing nails, and also improve the production efficiency of the battery 04.

[0034] Preferably, seven fixtures 8 are provided on the reflow line 02. This arrangement ensures that at the same time, the loading mechanism 1, laser cleaning mechanism 2, nailing mechanism 3, pre-welding mechanism 4, full welding mechanism 5, post-weld inspection mechanism 6, and unloading mechanism 7 are each matched with a fixture 8, thereby maximizing the production efficiency of the battery 04.

[0035] In this embodiment, Figure 1 and Figure 2 As shown, the loading mechanism 1, the laser cleaning mechanism 2, the nailing mechanism 3, the pre-welding mechanism 4, the full welding mechanism 5, the post-weld inspection mechanism 6, the unloading mechanism 7 and the reflow line 02 are all installed on the frame 01.

[0036] Preferably, the loading mechanism 1 and the unloading mechanism 7 are on the same side of the frame 01. The sealing nail welding equipment also includes a feeding line 03. The loading mechanism 1 is arranged near the upstream side of the feeding line 03, and the unloading mechanism 7 is arranged near the downstream side of the feeding line 03.

[0037] like Figures 4 to 6 As shown, the loading mechanism 1 includes a support beam 11, on which an adapter plate 12 is adjustably mounted, and the adapter plate 12 can move along a first direction X relative to the support beam 11; a loading grabbing portion 13 is adjustably provided on the adapter plate 12, and the loading grabbing portion 13 can move along the longitudinal direction Z relative to the adapter plate 12, and the grabbing portion is used to grab the battery 04; the first direction X is perpendicular to the longitudinal direction Z.

[0038] In this embodiment, Figure 4 As shown, the support beam 11 is mounted on the frame 01 via a support column 111. The support beam 11 extends along a first direction X. A first linear module 101 is disposed on the support beam 11. The adapter plate 12 is assembled to the first linear module 101 and is driven by the first linear module 101 to move along the first direction X. Furthermore, a second linear module 102 is disposed on the adapter plate 12. The gripping portion is assembled to the second linear module 102 and is driven by the second linear module 102 to move in the longitudinal direction Z relative to the adapter plate 12.

[0039] Furthermore, if Figure 5 and Figure 6As shown, the loading grabbing part 13 includes a first extension frame 131, which is assembled to the adapter plate 12 through the second linear module 102; at least one gripping part 132 is provided on the first extension frame 131, wherein: the gripping part 132 includes a first extension seat 1321 and a gripping executive part 1322, the first extension seat 1321 is installed on the first extension frame 131, the gripping executive part 1322 is adjustably installed on the first extension seat 1321, and the gripping executive part 1322 can move along the longitudinal direction Z relative to the first extension seat 1321; a first buffer part 1323 is provided between the gripping executive part 1322 and the first extension seat 1321 or the first extension frame 131, and when the gripping executive part 1322 moves upward along the longitudinal direction Z, the first buffer part 1323 provides a damping force for the gripping executive part 1322 to hinder its upward movement along the longitudinal direction Z. In this embodiment, in order to improve the processing efficiency of the battery 04, the fixture 8 clamps four batteries 04 at a time. Correspondingly, the number of gripping parts 132 is four, corresponding one to one to the four batteries 04 in the fixture 8. Of course, in other embodiments, the number of gripping parts 132 can be specifically determined according to the number of batteries 04 required for processing. Optionally, the first buffer part 1323 is a spring. The spring is arranged between the gripping executive part 1322 and the first extension frame 131. During use, when the gripping part 132 grabs the battery 04 downward along the longitudinal direction Z, the battery 04 acts on the gripping executive part 1322 to make it move upward along the longitudinal direction Z relative to the first extension seat 1321. At this time, the spring, that is, the first buffer part 1323, is compressed to achieve flexible contact between the gripping executive part 1322 and the battery 04, which can prevent the gripping executive part 1322 from damaging the battery 04.

[0040] Furthermore, if Figure 6 As shown, the gripper actuator 1322 includes a hanger 13221, a clamping jaw 13223 and a first driving member 13222. The hanger 13221 is adjustably mounted on the first extension seat 1321, and the first buffer member 1323 is arranged between the hanger 13221 and the first extension frame 131; the two clamping jaws 13223 are relatively arranged on the hanger 13221, and the first driving member 13222 acts on the clamping jaws 13223 so that the two clamping jaws 13223 can approach or move away from each other. In this embodiment, the hanging seat 13221 is slidably connected to the first extension seat 1321 via a slide rail and slider assembly, and the clamping jaws 13223 are slidably connected to the hanging seat 13221 via the slide rail and slider assembly. The hanging seat 13221 slides relative to the first extension seat 1321 in the longitudinal direction Z, and the clamping jaws 13223 slide relative to the hanging seat 13221 in the second direction Y. The first driving member 13222 is a finger cylinder, disposed on the hanging seat 13221 and located between the two clamping jaws 13223. The finger cylinder drives the two clamping jaws 13223 to move in the second direction Y to clamp and release the battery 04. The first direction X, the second direction Y, and the longitudinal direction Z are perpendicular to each other.

[0041] like Figure 4 As shown, in this embodiment, the unloading mechanism 7 is integrated with the loading mechanism 1, and the two have the same structure. Specifically, the two share the same straight line and support 111. Such an arrangement can effectively improve the structural compactness of the sealing nail welding device.

[0042] like Figure 7 and Figure 8 As shown, the laser cleaning mechanism 2 includes a cleaning galvanometer 22 and a cleaning reference plate 24. A cleaning hole 241 is provided through the cleaning reference plate 24. The liquid injection hole on the battery 04 is exposed upward in the longitudinal direction Z through the cleaning hole 241. The laser beam generated by the cleaning galvanometer 22 passes through the cleaning hole 241 to the liquid injection hole. The cleaning reference plate 24 can move closer to or further away from the battery 04 in the longitudinal direction Z. Here, the laser is used to remove impurities around the liquid injection hole to facilitate the subsequent assembly of the sealing nail.

[0043] Specifically, the laser cleaning mechanism 2 also includes a first bracket 21, which is mounted on the frame 01. A third linear module 211 is mounted on top of the first bracket 21. A first adapter frame 212 is mounted on the third linear module 211. A fourth linear module 213 is mounted on the first adapter frame 212. A first galvanometer frame 214 is mounted on the fourth linear module 213. The cleaning galvanometer frame 22 is mounted on the first galvanometer frame 214. In this embodiment, the third linear module 211 drives the first adapter frame 212 to move in the first direction X, while the fourth linear module 213 drives the first galvanometer frame 214 to move in the longitudinal direction Z. Furthermore, the cleaning galvanometer frame 22 is adjustably mounted on the first galvanometer frame 214. Specifically, the cleaning galvanometer frame 22 is movable in the second direction Y. This allows for adjustment of the spatial position of the cleaning galvanometer frame 22. The cleaning galvanometer frame 22 can be slidably connected to the cleaning galvanometer frame 214, with the principle that it can move relative to the first galvanometer frame in the second direction Y. The specific assembly method is not limited.

[0044] Specifically, if Figure 7 and Figure 8As shown, the laser cleaning mechanism 2 further includes a second bracket 23 mounted on the frame 01. A cleaning reference plate 24 is slidably connected to the second bracket 23 via a slide rail assembly. A second drive member 25 is disposed on the frame 01 for driving the cleaning reference plate 24 to move relative to the second bracket 23 in the longitudinal direction Z. Optionally, the second drive member 25 includes, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, or an electric push rod. In another embodiment, the cleaning reference plate 24 can also be mounted on the second bracket 23 via a linear module, which drives the cleaning reference plate 24 in the longitudinal direction Z. During use, when the fixture 8 is positioned below the cleaning reference plate 24, the cleaning reference plate 24 moves downward in the longitudinal direction Z to compress the battery 04, and the cleaning hole 241 is exposed upward in the longitudinal direction Z to expose the injection hole. Finally, the cleaning galvanometer 22 is adjusted to align with the cleaning hole 241, i.e., the injection hole. After laser cleaning of the injection hole is completed, the cleaning reference plate 24 moves upward in the longitudinal direction Z to separate from the battery 04.

[0045] like Figure 7 As shown, a dust hood 26 is disposed on the cleaning reference plate 24, covering the cleaning hole 241. A light-transmitting hole 261 and a dust-exhausting hole 262 are disposed on the cleaning hole 241. The light-transmitting hole 261 is coaxial with the cleaning hole 241, and the dust-exhausting hole 262 is connected to a dust collector (not shown). The dust hood 26 prevents the spread of dust generated during the laser cleaning process and allows the dust to be removed through negative pressure.

[0046] like Figure 9 As shown, the nailing mechanism 3 includes a third bracket 31 provided on the frame 01, and the suction cup portion 311 is adjustably assembled on the third bracket 31 through the fifth linear module 312, as shown in FIG. Figure 9 As shown, the three fifth linear modules 312 cooperate with each other to adjust the spatial position of the suction cup portion 311. Specifically, the driving directions of the three fifth linear modules 312 are perpendicular to each other and correspond to the first direction X, the second direction Y, and the longitudinal direction Z. The nailing mechanism 3 also includes a fourth bracket 32, which is equipped with a vibrating plate nail feeding assembly 321 to output sealing nails for the suction cup portion 311 to grasp. During use, the suction cup portion 311 grasps the sealing nails and then assembles them into the injection hole. The vibrating plate nail feeding assembly 321 is prior art and will not be described in detail here.

[0047] like Figures 10 to 12As shown, the pre-welding mechanism 4 includes a welding galvanometer 45 and a welding reference plate 42. The welding reference plate 42 is provided with a welding hole 421, through which the sealing pin on the battery 04 is exposed upward in the longitudinal direction Z; a pressure rod 46 is provided on the welding reference plate 42, and the free end of the pressure rod 46 extends into the welding hole 421; the welding reference plate 42 can be moved closer to or away from the battery 04 in the longitudinal direction Z to switch between the welding state and the normal state, and the pressure rod 46 is used to press the sealing pin in the welding state. The welding reference plate 42 here is the same as the cleaning reference plate 24 mentioned above, and is used to press the battery 04 in the longitudinal direction Z during the laser processing process. When in use, the clamp 8 clamps the battery 04 below the welding reference plate 42. The welding reference plate 42 moves downward in the longitudinal direction Z to press against the battery 04, and exposes the sealing pin through the welding hole 421 to facilitate welding. During this process, the pressure rod 46 presses the sealing pin so that it does not deviate or misalign during the welding process, which can ensure the quality stability of the sealing pin pre-welding.

[0048] In this embodiment, welding reference plate 42 is mounted to frame 01 via fifth bracket 41. Specifically, welding reference plate 42 is slidably connected to fifth bracket 41 via a slide rail and slider assembly. A third drive member 49 is provided on frame 01, acting on welding reference plate 42 to enable longitudinal Z motion relative to fifth bracket 41.

[0049] Furthermore, the compression rod 46 includes a mounting section 461 and a pressing section 462 connected to each other. The pressing section 462 is provided with a pressing protrusion 4621. The mounting section 461 is mounted on the welding reference plate 42. The pressing protrusion 4621 extends axially along the welding hole 421. The pressing section 462 is a cantilevered arm that provides elastic deformation when the compression rod 46 compresses the sealing pin, preventing hard contact between the compression rod 46 and the sealing pin.

[0050] like Figure 13 As shown, this embodiment provides an assembly form of the pressure rod 46, which is specifically fixed on the welding reference plate 42 by bolts or screws.

[0051] like Figure 14 As shown, another assembly form of the pressure rod 46 provided in this embodiment is provided. Specifically, the pressure rod 46 is adjustably arranged on the welding reference plate 42, and the pressure rod 46 can be extended into or out of the welding hole 421. This arrangement allows the pressure rod 46 to be adjusted to avoid the welding hole 421 after the sealing pin pre-welding (specifically spot welding, during which the welding laser can avoid interference with the pressure rod 46) is completed, thereby achieving full welding at the original work station, which is beneficial to improving work efficiency, reducing the number of welding equipment configured on the production line, and saving costs.

[0052] Specifically, the welding reference plate 42 is provided with an avoidance groove 422, which passes through the welding reference plate 42 and extends to the welding hole 421. The pressure rod 46 is embedded in the avoidance groove 422 and can extend into or out of the welding hole 421 along the extension direction of the avoidance groove 422. Furthermore, the welding reference plate 42 is provided with a telescopic member 47, and the pressure rod 46 is provided at the telescopic end of the telescopic member 47, and the telescopic direction of the telescopic member 47 is parallel to the extension direction of the avoidance groove 422. The welding reference plate 42 is provided with a guide plate 48, and the guide plate 48 is provided with a guide groove 481, and the extension direction of the guide groove 481 is parallel to the extension direction of the telescopic member 47. The pressure rod 46 is provided with a guide roller 463, which is rollingly assembled in the guide groove 481. Optionally, the telescopic member 47 includes but is not limited to a pneumatic cylinder, a hydraulic cylinder, or an electric push rod. During use, the telescopic part 47 drives the pressure rod 46 to extend into the welding hole 421 to compress the sealing pin. When the pre-welding is completed, the telescopic part 47 drives the pressure rod 46 to exit the welding hole 421 along the avoidance groove 422. At this time, the interference of the pressure rod 46 is eliminated, and the sealing pin can be fully welded at the original work station.

[0053] like Figure 10 and Figure 11 As shown, the pre-welding mechanism 4 also includes a sixth bracket 44, which is mounted on the frame 01, and the welding galvanometer 45 is adjustably mounted on the sixth bracket 44 through three sixth linear modules 43. Specifically, the driving directions of the three sixth linear modules 43 are perpendicular to each other. The first sixth linear module 43 is mounted on the sixth bracket 44, the second sixth linear module 43 is mounted on the first sixth linear module 43 and driven thereby, the third sixth linear module 43 is mounted on the second sixth linear module 43 and driven thereby, and the welding galvanometer 45 is mounted on the third sixth linear module 43 and driven thereby. Here, it is sufficient to enable the welding galvanometer 45 to be adjusted to any position in space to facilitate welding of the sealing nails, and the assembly form is not specifically limited.

[0054] In this embodiment, the full welding mechanism 5 and the pre-welding mechanism 4 are identical in structure to the full welding mechanism 5 except that the pre-welding mechanism 4 includes a pressure rod 46 , and are not described in detail herein.

[0055] like Figure 15 As shown, the post-weld inspection mechanism 6 is a visual component 61 arranged on the frame 01, specifically a 3D camera or a CCD camera, which can be adjusted in space through a linear module to take pictures of the sealing pins of the fully welded battery 04 to detect the post-weld quality.

[0056] like Figures 16 to 20As shown, the clamp 8 includes a housing 81, within which a reference block 82 and a clamping block 83 are disposed. The reference block 82 and the clamping block 83 are disposed opposite each other, with the battery 04 positioned between them. A pre-tightening assembly is disposed on the housing 81, which acts on the clamping block 83 to cause it to move toward the reference block 82. The pre-tightening assembly acts on the clamping block 83 to achieve self-locking of the battery 04.

[0057] Specifically, if Figure 17 and Figure 18 As shown, an extension plate 811 is provided on the box body 81. The extension plate 811 is located on one side of the clamping block 83. The clamping block 83 is slidably connected to the extension plate 811 via a sliding plate 831. Specifically, the clamping block 83 is fixedly connected to the sliding plate 831, and the sliding plate 831 is slidably connected to the extension plate 811 via a slide rail slider assembly. In this embodiment, a limit plate 84 is provided below the sliding plate 831. The limit plate 84 is provided with a first limit protrusion 841. The extension plate 811 is provided with a second limit protrusion 8111. The pre-tightening assembly includes a pre-tightening spring 86 and a guide rod 85. The guide rod 85 is fixedly mounted on the second limit protrusion 8111 and passes through the first limit protrusion 841. The pre-tightening spring 86 is sleeved on the outside of the guide rod 85 and pressed between the first limit protrusion 841 and the second limit protrusion 8111. The preload spring 86 here acts on the first limiting protrusion 841 , namely the sliding plate 831 , namely the clamping block 83 , so that it tends to move toward the reference block 82 .

[0058] In other embodiments, the sliding plate 831 and the limiting plate 84 may be integrally designed. In this embodiment, the limiting plate 84 is slidably connected to the extension plate 811 via a slide rail and slider assembly to enable the sliding plate 831 to move relative to the extension plate 811 .

[0059] like Figure 16 、 Figure 18 and Figure 19 As shown, an unlocking plate 87 is provided on the limit plate 84, and an unlocking inclined surface 871 is configured on the unlocking plate 87. The sealing nail welding device also includes an unlocking mechanism 9, which includes an unlocking roller 94 that can move in the longitudinal direction Z. The unlocking roller 94 can be in contact with the unlocking inclined surface 871. When the unlocking roller 94 reciprocates in the longitudinal direction Z to switch between the unlocked position and the locked position, the clamp 8 switches between the unlocked state and the locked state. Specifically, the unlocking mechanism 9 also includes a fourth drive member 91 and an unlocking head 92. The unlocking roller 94 is mounted on the unlocking head 92. The fourth drive member 91 acts on the unlocking head 92 to enable it to reciprocate in the longitudinal direction Z. The fourth drive member 91 here includes but is not limited to a cylinder, a hydraulic cylinder, or an electric push rod.

[0060] Optionally, the unlocking head 92 is mounted to the seventh bracket 93 via a slide rail assembly, allowing the unlocking head 92 to slide relative to the seventh bracket 93 in the longitudinal direction Z. The fourth drive member 91 is mounted to the seventh bracket 93, and the seventh bracket 93 is mounted to the frame 01 or the clamp 8. In this embodiment, the seventh bracket 93 is mounted to the frame 01, specifically at the loading mechanism 1 and the unloading mechanism 7, and is used to unlock the clamp 8.

[0061] It should be noted that when the unlocking roller 94 is in the locking position, the unlocking roller 94 is at the lower end of the unlocking inclined surface 871 or is at a position away from the unlocking inclined surface 871 .

[0062] like Figure 3 As shown, the transport track of the reflow line 02 is rectangular, including two long sides 021 and two short sides 022. The long side 021 extends along the first direction X, and the short side 022 extends along the second direction Y. The loading mechanism 1, the laser cleaning mechanism 2, the nailing mechanism 3 and the pre-welding mechanism 4 are distributed on one side of the long side 021; the full welding mechanism 5, the post-weld detection mechanism 6 and the unloading mechanism 7 are distributed on the other side of the long side 021; the short side 022 includes a linear module and a tray 0221, and the linear module drives the tray 0221 to reciprocate between the two long sides 021; specifically, Tray 0221 is equipped with a first guide rail 02211, and long side 021 includes a second guide rail 0211, which is parallel to first guide rail 02211. When tray 0221 is moved to long side 021 by the linear module, first guide rail 02211 and second guide rail 0211 become coaxial. More specifically, a carrier plate 80 is provided at the bottom of box 81, on which guide sliders are provided for sliding connection with both first and second guide rails 02211. It should be noted that the cross-sectional shape of first guide rail 02211 and second guide rail 0211 are identical.

[0063] like Figure 3 and Figure 16 As shown, the box 81 is provided with a first hook portion and a second hook portion, which are arranged opposite each other. During use, the three boxes 81 on the long side 021 are connected end to end. The return line 02 also includes a drive unit 023, which is provided on the long side 021 and is used to drive the boxes 81 on the long side 021, that is, the clamp 8, to move along the second guide rail 0211. In this embodiment, the extension direction of the second guide rail 0211 is parallel to the first direction X, and the extension direction of the first guide rail 02211 is parallel to the second direction Y.

[0064] like Figure 16As shown, the box body 81 is provided with a first hanging plate 812 and a second hanging plate 813. The first hanging plate 812 is provided with a hanging wheel 8121, and the second hanging plate 813 is provided with a hanging groove 8131. The hanging wheels 8121 and the hanging grooves 8131 of two adjacent clamps 8 are adapted to fit together; the hanging wheels 8121 can enter or exit the hanging grooves 8131 along the second direction Y. In other words, the first hanging plate 812 is a first hooking portion, and the second hanging plate 813 is a second hooking portion.

[0065] like Figure 1 and Figure 3 As shown, the driving part 023 includes a driving plate 0231, which can move in a first direction X and a second direction Y. A driving wheel is provided on the driving plate 0231, and a driving notch 814 adapted to the driving wheel is provided on the box body 81. The driving notch 814 can limit the driving wheel in the first direction X, and the driving wheel can disengage from the driving notch 814 along the second direction Y.

[0066] When using, such as Figure 3 As shown, the long side 021 on the lower side of the second direction Y and the fixture 8 on the left side of the first direction X are transferred by the driving part 023 to the short side 022 on the left side, and are transported to the long side 021 on the upper side of the second direction Y, and are hooked with the fixture 8 there. At this time, the driving part 023 on the upper side drives the rightmost fixture 8 on the long side 021 on the upper side of the second direction Y to move to the right along the first direction X. At this time, the four fixtures 8 on the long side 021 move to the right synchronously. After the rightmost fixture 8 is transferred to the right short side 022, it is transported downward along the second direction Y to the long side 021 on the lower side of the second direction Y and is hooked with the fixture 8 on the long side 021. Such a cycle can effectively improve the processing efficiency of the sealing nail welding equipment.

[0067] The driving plate 0231 can be driven by a linear module or a cylinder and other driving parts in conjunction with a slide rail slider assembly to achieve spatial position adjustment. This is existing technology and will not be described in detail here.

[0068] The technical means disclosed in the present invention are not limited to those disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A sealing nail welding device, characterized in that: The battery pack includes a reflow line and a fixture, wherein the fixture is arranged on the reflow line and can move along the transport direction of the reflow line, and the fixture is used to clamp the battery; the battery pack also includes a loading mechanism, a laser cleaning mechanism, a nailing mechanism, a pre-welding mechanism, a full welding mechanism, a post-welding inspection mechanism, and a unloading mechanism, which are arranged in sequence along the transport direction of the reflow line; When the fixture moves along the transport direction of the reflow line, it can be paired one by one with the loading mechanism, the laser cleaning mechanism, the nailing mechanism, the pre-welding mechanism, the full welding mechanism, the post-weld detection mechanism and the unloading mechanism.

2. The sealing nail welding equipment according to claim 1, characterized in that: The feeding mechanism includes a support beam, an adapter plate is adjustably mounted on the support beam, and the adapter plate can move relative to the support beam along a first direction; The adapter plate is adjustably provided with a loading gripping portion, the loading gripping portion can move longitudinally relative to the adapter plate, and the gripping portion is used to grip the battery; The first direction is perpendicular to the longitudinal direction.

3. The sealing nail welding equipment according to claim 2, characterized in that: The loading and grabbing portion includes a first extension frame, which is assembled to the adapter plate; The first extension frame is provided with at least one gripping portion, wherein: The gripper portion includes a first extension seat and a gripper actuator, wherein the gripper actuator is adjustably mounted on the first extension seat and is capable of moving in the longitudinal direction relative to the first extension seat; A first buffer is provided between the gripper actuator and the first extension seat or the first extension frame. When the gripper actuator moves upward in the longitudinal direction, the first buffer provides a damping force for the gripper actuator to hinder its upward movement in the longitudinal direction.

4. The sealing nail welding device according to claim 3, characterized in that: The gripper actuator includes a hanging seat, a clamping claw and a first driving member, the hanging seat is adjustably mounted on the first extension seat, and the first buffer member is arranged between the hanging seat and the first extension frame; The two clamping jaws are arranged opposite to each other on the hanging seat, and the first driving member acts on the clamping jaws so that the two clamping jaws can move closer to or farther away from each other.

5. The sealing nail welding equipment according to claim 1, characterized in that: The laser cleaning mechanism includes a cleaning galvanometer and a cleaning reference plate, wherein a cleaning hole is provided through the cleaning reference plate, and the injection hole on the battery is exposed vertically upward through the cleaning hole; The laser beam generated by the cleaning galvanometer passes through the cleaning hole to the liquid injection hole; The cleaning reference plate can be moved closer to or farther away from the battery in the longitudinal direction.

6. The sealing nail welding device according to claim 5, characterized in that: The cleaning reference plate is provided with a dust collecting cover, and the dust collecting cover covers the cleaning hole; The cleaning hole is provided with a light-transmitting hole and a dust-exhausting hole. The light-transmitting hole is coaxial with the cleaning hole, and the dust-exhausting hole is connected to a dust collector.

7. The sealing nail welding device according to claim 1, characterized in that: The pre-welding mechanism includes a welding galvanometer and a welding reference plate, wherein the welding reference plate is provided with a welding hole, and the sealing pins on the battery are exposed upward in the longitudinal direction through the welding hole; The welding reference plate is provided with a pressure rod, and the free end of the pressure rod extends into the welding hole; The welding reference plate can be moved closer to or farther away from the battery in the longitudinal direction to switch between a welding state and a normal state. The pressing rod is used to press the sealing pin in the welding state.

8. The sealing nail welding device according to claim 7, characterized in that: The pressure rod comprises a mounting section and a pressing section connected to each other, and the pressing section is provided with a pressing protrusion; The mounting section is provided on the welding reference plate; The pressing protrusion is extended along the axial direction of the welding hole.

9. The sealing nail welding device according to claim 7, characterized in that: The pressing rod is adjustably arranged on the welding reference plate, and the pressing rod can extend into or out of the welding hole.

10. The sealing nail welding device according to claim 9, characterized in that: The welding reference plate is provided with an avoidance groove, which passes through the welding reference plate and extends to the welding hole; The pressure rod is embedded in the avoidance groove and can extend into or out of the welding hole along the extending direction of the avoidance groove.

11. The sealing nail welding device according to claim 10, characterized in that: A telescopic member is disposed on the welding reference plate, the pressure rod is disposed at the telescopic end of the telescopic member, and the telescopic direction of the telescopic member is parallel to the extension direction of the avoidance groove; The welding reference plate is provided with a guide plate, the guide plate is provided with a guide groove, and the extension direction of the guide groove is parallel to the extension direction of the telescopic member; A guide roller is arranged on the pressure rod, and the guide roller is rotatably assembled in the guide groove.

12. The sealing nail welding device according to claim 1, characterized in that The clamp includes a box body, in which a reference block and a clamping block are arranged. The reference block and the clamping block are arranged opposite to each other, and the battery is located between the reference block and the clamping block. A pre-tightening component is configured on the box body, and the pre-tightening component acts on the clamping block so that it has a tendency to move toward the reference block.

13. The sealing nail welding device according to claim 12, characterized in that: The box body is provided with an epitaxial plate, the epitaxial plate is located on one side of the clamping block, and the clamping block is slidably connected to the epitaxial plate; The pre-tightening assembly includes a pre-tightening spring, and the pre-tightening spring is pressed between the clamping block and the extension plate.

14. The sealing nail welding device according to claim 12, characterized in that: The clamping block is provided with an unlocking plate, and the unlocking plate is provided with an unlocking inclined surface; The sealing nail welding device further includes an unlocking mechanism, wherein the unlocking mechanism includes an unlocking roller that can move longitudinally and is adapted to the unlocking inclined surface, and the unlocking roller can be in contact with the unlocking inclined surface; When the unlocking roller reciprocates in the longitudinal direction to switch between the unlocking position and the locking position, the clamp switches between the unlocking state and the locking state.

15. The sealing nail welding device according to claim 1, characterized in that The transport track of the reflow line is rectangular, including two long sides and two short sides, and the loading mechanism, the laser cleaning mechanism, the nailing mechanism and the pre-welding mechanism are distributed on one long side; the full welding mechanism, the post-weld inspection mechanism and the unloading mechanism are distributed on the other long side; The short side includes a linear module and a tray, and the linear module drives the tray to reciprocate between the two long sides to transport the clamp.

16. The sealing nail welding device according to claim 15, characterized in that The clamp is provided with a first hook portion and a second hook portion, which are arranged opposite to each other; The first hooking portion and the second hooking portion of two adjacent clamps are adapted to each other; The second hooking portion can restrict the first hooking portion in the conveying direction of the long side, and the first hooking portion can be separated from the second hooking portion in the conveying direction of the short side.

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