A sealing welding device

Abstract

This invention provides a sealing welding device, comprising: a turret, including a rotating mechanism and an upper and lower turntable mounted on the rotating mechanism, the rotating mechanism being rotatable relative to the upper and lower turntables; an upper boss on the upper turntable and an inner and outer boss coaxially mounted on the lower turntable; a clamping mechanism, including a base, a pressing component, a clamping component, and a lifting component; the base is connected to the rotating mechanism; the clamping component is movably mounted on the base in a vertical direction and its bottom abuts against the inner boss; the lifting component is movably mounted on the base in a vertical direction and its bottom abuts against the outer boss; the pressing component is disposed opposite to the lifting component, movably mounted on the base in a vertical direction, and its top abuts against the upper boss; and a welding mechanism disposed on one side of the clamping mechanism. The sealing welding device provided by this invention can automatically complete the sealing welding of batteries, improving welding efficiency while ensuring welding quality.

Description

Technical Field

[0001] This invention relates to the field of battery manufacturing equipment technology, and in particular to a sealing welding device. Background Technology

[0002] The battery manufacturing process involves multiple steps. With the rapid development of the power battery industry, higher demands are being placed on battery manufacturing efficiency.

[0003] In traditional sealing and welding operations, the battery is installed on the welding fixture and then manually welded circumferentially. After welding is completed, the welded battery is removed before another battery to be welded is installed. The entire welding operation requires waiting for the welding to be completed before the next material can be added. The entire sealing and welding operation cannot be completed automatically, resulting in low welding efficiency. Furthermore, manual operation makes welding difficult and cannot meet the requirements for long-term stable sealing. In addition, existing sealing and welding equipment occupies a large area, which is difficult to meet site requirements and affects equipment installation.

[0004] Therefore, there is an urgent need for a sealing welding device that can solve the above problems and overcome the shortcomings of the existing technology. Summary of the Invention

[0005] This invention provides a sealing welding device to solve the problem that sealing welding operations cannot be completed automatically and the welding efficiency is low in the prior art.

[0006] This invention provides a sealing welding device, comprising:

[0007] A turret includes a rotating mechanism and an upper and lower turntables disposed on the rotating mechanism. The rotating mechanism is rotatable relative to the upper and lower turntables. The upper turntable is provided with an upper boss, and the lower turntable is provided with an inner boss and an outer boss arranged coaxially.

[0008] A clamping mechanism includes a base, a pressing component, a clamping component, and a lifting component. The base is connected to the rotating mechanism. The clamping component is movably mounted on the base in a vertical direction, and its bottom abuts against the inner boss. The lifting component is movably mounted on the base in a vertical direction, and its bottom abuts against the outer boss. The pressing component is disposed opposite to the lifting component, movably mounted on the base in a vertical direction, and its top abuts against the upper boss.

[0009] A welding mechanism, located on one side of the clamping mechanism, is used to weld the rotating battery.

[0010] According to a sealing welding device provided by the present invention, the inner boss is provided with a first protrusion and a second protrusion, the height of the first protrusion being greater than the height of the second protrusion; the outer boss is provided with a third protrusion and a fourth protrusion, the height of the third protrusion being greater than the height of the fourth protrusion; and the upper boss is provided with a fifth protrusion and a sixth protrusion, the height of the fifth protrusion being greater than the height of the sixth protrusion.

[0011] During the welding process of the welding mechanism, the clamping component moves to the second protrusion to clamp the battery, the lifting component moves to the third protrusion to lift the battery, and the pressing component moves to the sixth protrusion to press down and drive the battery to rotate.

[0012] During the welding process, when the welding mechanism is not welding, the clamping assembly moves to the first protrusion to release the battery, the lifting assembly moves to the fourth protrusion to lower the battery, and the pressing assembly moves to the fifth protrusion away from the battery.

[0013] According to a sealing welding device provided by the present invention, a plurality of clamping mechanisms are provided, and each clamping mechanism is arranged sequentially at intervals along the rotation direction of the turret.

[0014] According to a sealing welding device provided by the present invention, the central axis of the lifting assembly coincides with the central axis of the pressing assembly, and the clamping central axis of the clamping assembly is parallel to the central axis of the lifting assembly.

[0015] According to a sealing welding device provided by the present invention, the clamping assembly includes: a clamp, a support rod, a first roller and a first driven roller;

[0016] One end of the clamp is provided with two clamping members spaced apart. The two clamping members are arranged on both sides of the central axis of the lifting assembly. Each of the two clamping members is provided with a first driven wheel for abutting against the rotation of the battery. The other end of the clamp is provided on the inner boss through the support rod and the first roller.

[0017] According to a sealing welding device provided by the present invention, the lifting assembly includes: a lifting member, a second roller, and a second driven roller;

[0018] One end of the lifting member is connected to the second driven wheel for supporting the battery, and the bottom end of the lifting member is set on the outer protrusion through the second roller.

[0019] According to the present invention, a sealing welding device further includes: a support plate and corner protectors;

[0020] The support plate is connected to the base, and the support plate is provided with a first through hole. The corner protectors are provided on the support plate and located on both sides of the central axis of the lifting assembly. The corner protectors are adapted to the shape of the cup and are used to limit and fix the position of the cup.

[0021] The bottom of the cup is provided with a second through hole, and the second driven wheel can pass through the first through hole and the second through hole in sequence to support the battery.

[0022] According to the sealing welding device provided by the present invention, the lifting member includes an outer sleeve rod, a lifting rod, and an elastic member;

[0023] One end of the outer sleeve is connected to the second driven wheel for supporting the battery. The outer sleeve is provided with the elastic element. The other end of the outer sleeve is connected to the elastic element. The elastic element is connected to the top end of the lifting rod. The bottom end of the lifting rod is set on the outer protrusion through the second roller.

[0024] According to a sealing welding device provided by the present invention, the pressing assembly includes: a motor, a bearing housing, a pressing head, and a cam assembly;

[0025] The motor is mounted on the bearing housing, which is movably connected to the base in the vertical direction. The bearing housing is mounted on the upper boss via the cam assembly. The rotating end of the motor passes through the bearing housing and is connected to the pressure head. The pressure head is coaxially arranged with the lifting assembly.

[0026] According to a sealing welding device provided by the present invention, the sealing welding device further includes: a timer, the timer being electrically connected to the motor, for controlling the motor to rotate after the rotating mechanism has rotated for a preset time;

[0027] Alternatively, a camera, electrically connected to the motor, is used to control the rotation of the motor after the rotating mechanism has rotated to a preset angle;

[0028] Alternatively, a position sensor, electrically connected to the motor, is used to control the motor to rotate after the rotating mechanism has rotated to a preset angle;

[0029] Alternatively, an encoder, electrically connected to the motor, is used to obtain the rotation angle of the rotating mechanism and control the motor to rotate after the rotation is in place.

[0030] This invention provides a sealing welding device comprising a turret, a clamping mechanism, and a welding mechanism. The clamping assembly is vertically movably mounted on a base with its bottom abutting against an inner boss. A lifting assembly is vertically movably mounted on the base with its bottom abutting against an outer boss. A pressing assembly is positioned opposite the lifting assembly, vertically movably mounted on the base with its top abutting against an upper boss. Thus, during the rotation of the rotating mechanism relative to the upper and lower turntables, the clamping assembly grips the battery, the lifting assembly supports the battery, and the pressing assembly presses the battery and drives its rotation. This allows the welding mechanism to automatically seal the battery. During the welding process, the clamping assembly ensures that the battery does not vibrate during welding, guaranteeing welding stability. Furthermore, the corner protectors effectively limit the loading position, ensuring battery alignment. The cooperation between the pressing assembly, clamping assembly, and lifting assembly ensures welding quality. The entire sealing welding device is driven by a turret, reducing the area occupied by the device. Moreover, compared to welding a single battery independently, this invention can weld multiple batteries simultaneously, improving welding efficiency while ensuring welding quality. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the sealing welding device provided in an embodiment of the present invention;

[0033] Figure 2 This is a schematic diagram of the turret provided in an embodiment of the present invention;

[0034] Figure 3 This is a schematic diagram of the clamping mechanism provided in an embodiment of the present invention;

[0035] Figure 4 This is a schematic diagram of the cup holder provided in an embodiment of the present invention;

[0036] Figure 5 This is a schematic diagram of the lifting assembly provided in an embodiment of the present invention;

[0037] Figure 6 yes Figure 5 Schematic diagram of the BB section;

[0038] Figure label:

[0039] 1. Turret; 11. Rotating mechanism; 12. Upper turntable; 120. Upper boss; 13. Lower turntable; 131. Inner boss; 132. Outer boss; 2. Clamping mechanism; 21. Base; 22. Pressing assembly; 221. Motor; 222. Bearing seat; 223. Press head; 224. Cam assembly; 23. Clamping assembly; 231. Fixture; 232. Support rod; 233. First roller; 234. First driven roller; 24. Lifting assembly; 241. Outer rod; 242. Lifting rod; 243. Elastic element; 244. Second roller; 245. Second driven roller; 246. Inner support rod; 3. Welding mechanism; 4. Support plate; 5. Cup holder; 6. Corner protector. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0041] The following is combined with Figure 1 , Figure 2 and Figure 3 As shown, the sealing welding device provided by the present invention is used to seal and weld batteries in a cup. The sealing welding device includes: a turret 1, a clamping mechanism 2, and a welding mechanism 3.

[0042] The turret 1 includes a rotating mechanism 11 and an upper turntable 12 and a lower turntable 13 mounted on the rotating mechanism 11. The rotating mechanism 11 can be a rotating shaft and can rotate relative to the upper turntable 12 and the lower turntable 13. During the rotation of the rotating mechanism 11, the upper turntable 12 and the lower turntable 13 do not rotate. The upper turntable 12 is provided with an upper boss 120, which extends circumferentially along the upper turntable 12. The lower turntable 13 is provided with an inner boss 131 and an outer boss 132 coaxially arranged, both of which extend circumferentially along the lower turntable 13. The inner boss 131 is disposed within the outer boss 132.

[0043] like Figure 3As shown, the clamping mechanism 2 includes a base 21, a pressing component 22, a clamping component 23, and a lifting component 24. The base 21 is connected to the rotating mechanism 11. The clamping component 23 is movably mounted on the base 21 in the vertical direction, and its bottom abuts against the inner boss 131. The lifting component 24 is movably mounted on the base 21 in the vertical direction, and its bottom abuts against the outer boss 132. The pressing component 22 is disposed opposite to the lifting component 24. The pressing component 22 is movably mounted on the base 21 in the vertical direction, and its top abuts against the upper boss 120. A welding mechanism 3 is disposed on one side of the clamping mechanism 2 and is used to weld the rotating battery.

[0044] Since the base 21 is connected to the rotating mechanism 11, during the rotation of the rotating mechanism 11, the rotating mechanism 11 drives the pressing component 22, the clamping component 23 and the lifting component 24 to rotate. The pressing component 22 can slide on the upper boss 120, the clamping component 23 can slide on the inner boss 131 and the lifting component 24 can slide on the outer boss. Thus, the clamping component 23 can cooperate to clamp the battery, while the lifting component 24 is used to lift the battery, and the pressing component 22 presses the battery and drives the battery to rotate. Thus, the welding mechanism 3 can be used to complete the welding of the rotating battery.

[0045] Specifically, after the battery is capped, it is transferred to the sealing welding device. At this time, the lifting component 24 is lowered to a low position, the pressing component 22 is raised to a high position, and the clamping component 23 is raised to a high position to avoid the incoming material. After the battery is loaded, the clamping component 23 is lowered to a low position to clamp the battery, while the lifting component 24 is raised to a high position to support the battery. The pressing component 22 is lowered to a low position to press down the battery. Under the clamping of the clamping component 23 and the pressing of the pressing component 22 and the lifting component 24, the battery is fixed. At this time, the pressing component 22 controls the battery to rotate, and the welding mechanism 3 welds the rotating battery.

[0046] This invention provides a sealing welding device comprising a turret, a clamping mechanism, and a welding mechanism. The clamping assembly is movably mounted vertically on a base with its bottom abutting against an inner boss. A lifting assembly is movably mounted vertically on the base with its bottom abutting against an outer boss. A pressing assembly is positioned opposite the lifting assembly, movably mounted vertically on the base with its top abutting against an upper boss. Thus, during the rotation of the rotating mechanism relative to the upper and lower turntables, the clamping assembly grips the battery, the lifting assembly supports the battery, and the pressing mechanism presses down on the battery and drives its rotation. This allows the welding mechanism to complete the battery welding, automatically sealing the battery and improving welding efficiency while ensuring welding quality.

[0047] In one embodiment, such as Figures 1 to 3As shown, the inner boss 131 is provided with a first protrusion and a second protrusion, the height of the first protrusion is greater than the height of the second protrusion; the outer boss 132 is provided with a third protrusion and a fourth protrusion, the height of the third protrusion is greater than the height of the fourth protrusion; and the upper boss 120 is provided with a fifth protrusion and a sixth protrusion, the height of the fifth protrusion is greater than the height of the sixth protrusion.

[0048] During the welding process of the welding mechanism 3, the clamping component 23 moves to the second protrusion to clamp the battery, the lifting component 24 moves to the third protrusion to lift the battery, and the pressing component 22 moves to the sixth protrusion to press down and drive the battery to rotate. During the non-welding process of the welding mechanism 3, the clamping component 23 moves to the first protrusion to release the battery, the lifting component 24 moves to the fourth protrusion to put down the battery, and the pressing component 22 moves to the fifth protrusion to move away from the battery.

[0049] Specifically, after the battery is transferred to the sealing welding device, the lifting component 24 moves to the fourth protrusion at a low position, the pressing component 22 moves to the fifth protrusion at a high position, and the clamping component 23 moves to the first protrusion at a high position to avoid the incoming material. After the battery is loaded, the clamping component 23 moves to the second protrusion at a low position and lowers to clamp the battery. The lifting component 24 moves to the third protrusion and rises to a high position, lifting the battery. The pressing component 22 moves to the sixth protrusion at a low position to press the battery down. Under the clamping of the clamping component 23 and the pressing of the pressing component 22 and the lifting component 24, the battery is fixed. At this time, the pressing component 22 controls the battery to rotate, and the welding mechanism 3 can weld the rotating battery.

[0050] To improve the welding efficiency of the sealing welding device, such as Figures 1 to 3 As shown, there are multiple clamping mechanisms 2, which are arranged sequentially along the rotation direction of the turret 1. The pressing component 22 in each clamping mechanism 2 is arranged on the upper boss 120, the clamping component 23 in each clamping mechanism 2 is arranged on the inner boss 131, and the lifting component 24 in each clamping mechanism 2 is arranged on the outer boss 132.

[0051] When only one welding mechanism 3 is set up, after the clamping mechanism 2 of the first station aligns with the welding mechanism 3, the corresponding clamping component 23 moves to the second protrusion to clamp the battery, the lifting component 24 moves to the third protrusion to lift the battery, and the pressing component 22 moves to the sixth protrusion to press down and drive the battery to rotate. At this time, the welding mechanism 3 is used to weld the rotating battery. During the welding process, the rotating mechanism 11 stops rotating. Meanwhile, the clamping components 23 of the other clamping mechanisms 2 move to the first protrusion to release the battery, the lifting component 24 moves to the fourth protrusion to lower the battery, and the pressing component 22 moves to the fifth protrusion away from the battery. After the welding at the first station is completed, the rotating mechanism 11 continues to rotate, controlling the clamping mechanism 2 of the second station to align with the welding mechanism 3, and the welding mechanism 3 can weld the battery at the second station. Repeating the above steps, the batteries on all clamping mechanisms 2 can be welded.

[0052] like Figure 3 As shown, the base 21 is a support structure for the pressing component 22, the clamping component 23 and the lifting component 24. The first side of the base 21 is connected to the rotating mechanism 11. The second side of the base 21 opposite to the first side is provided with the pressing component 22, the clamping component 23 and the lifting component 24, which can slide relative to the base 21. The central axis of the lifting component 24 coincides with the central axis of the pressing component 22, and the clamping central axis of the clamping component 23 is parallel to the central axis of the lifting component. Since the base 21 is connected to the rotating mechanism 11, during the rotation of the rotating mechanism 11, the rotating mechanism 11 drives the pressing component 22, the clamping component 23 and the lifting component 24 to rotate. The pressing component 22 can slide on the upper boss 120, the clamping component 23 can slide on the inner boss 131, and the lifting component 24 can slide on the outer boss 132. Thus, the clamping component 23 can cooperate to clamp the battery, while the lifting component 24 is used to lift the battery, and the pressing component 22 presses the battery and drives the battery to rotate. Thus, the welding mechanism 3 can be used to complete the welding of the rotating battery.

[0053] Based on the above embodiments, in one embodiment, such as Figure 3 As shown, the clamping assembly 23 includes: a clamp 231, a support rod 232, a first roller 233, and a first driven wheel 234. One end of the clamp 231 is provided with two clamping members spaced apart, which are arranged on both sides of the central axis of the lifting assembly 24. At least one clamping member is provided with a first driven wheel 234 for abutting against the rotation of the battery. The other end of the clamp 231 is provided on the inner boss 131 through the support rod 232 and the first roller 233.

[0054] In this embodiment, both clamping members are provided with multiple first driven wheels 234. The battery is clamped by the first driven wheels 234, thereby maintaining the stability of the battery when controlling its rotation. The other end of the clamp 231 is connected to a support rod 232, and the bottom of the support rod 232 is provided with a first roller 233, so that the first roller 233 can move on the inner boss 131 during the rotation of the rotating mechanism 11.

[0055] During the process of clamping the battery using the clamping assembly 23, the first roller 233 of the clamping assembly 23 moves on the inner boss 131. When the first roller 233 moves to the low position, the clamp 231 moves downward, and the multiple first driven rollers 234 on the clamp 231 clamp the battery. When the first roller 233 moves to the high position, the clamp 23 moves upward, thereby separating the clamp 23 from the battery.

[0056] Furthermore, the clamping members on fixture 231 are a first clamping member and a second clamping member, both of which are mounted on the connecting plate via corresponding pivots. The first and second clamping members are rotatable relative to the connecting plate. Simultaneously, a first guide rod is hinged to the first clamping member, and a second guide rod is hinged to the second clamping member. The first clamping member is connected to the support rod 232 via the first guide rod, and the second clamping member is connected to the support rod 232 via the second guide rod. A spring is connected to both the first clamping member and the second guide rod.

[0057] During the process of clamping the battery using the clamping assembly 23, the first roller 233 of the clamping assembly 23 moves on the inner boss 131. When the first roller 233 moves to the low position, the clamp 231 moves down, and the support rod 232 pulls the first clamping member through the first guide rod. The support rod 232 pulls the second clamping member through the second guide rod. At this time, the first guide rod and the second guide rod rotate relative to the support rod 232. During the rotation of the first guide rod and the second guide rod with the support rod 232, the spring rotates relative to the support rod 232. When the spring rotates to form an acute angle with the support rod 232, the spring pulls the first clamping member and the second clamping member closer together, and the first driven roller 234 on the two clamping members clamps the battery. After the clamp 231 moves upward, the first guide rod and the second guide rod rotate relative to the support rod 232, and the spring rotates relative to the support rod 232. When the spring rotates to be perpendicular to the support rod 232 or at another angle, the spring will spring the first clamping member and the second clamping member apart. At this time, the two clamping members open, so that the first driven wheel 234 on the clamping member separates from the battery, thereby realizing the clamping and releasing of the battery and effectively ensuring the stability of the battery during sealing and welding.

[0058] To guide the movement of the clamping assembly 23, a vertically oriented guide rail is provided on the second side of the base 21, and the support rod 232 is slidably mounted on the guide rail. By providing a vertically extending guide rail, the clamping assembly 23 can be ensured to move vertically.

[0059] Similarly, a guide rail for the pressing component 22 can be provided on the base 21. By providing a guide rail that extends vertically, the pressing component 22 can be ensured to move in the vertical direction.

[0060] In addition, the sealing welding device also includes: a support plate 4 and a cup 5; the support plate 4 is connected to the base 21. The support plate 4 has a first through hole. Figure 4 As shown, the support plate 4 is also equipped with corner protectors 6, which are used to limit the position of the cup 5, so that the battery can be coaxial with the pressing component 22 and the lifting component 24. The support plate 4 is connected to the base 21, and the corner protectors 6 are set on the support plate 21, located on both sides of the central axis of the lifting component. The corner protectors 6 are adapted to the shape of the cup 5, and are used to limit and fix the position of the cup 5. The bottom of the cup 5 is provided with a second through hole, and the first through hole and the second through hole are coaxially arranged. The second driven wheel 245 can pass through the first through hole and the second through hole in sequence through the lifting rod to lift the battery in the cup.

[0061] In addition, to ensure more precise welding of the battery during the sealing process, optionally, to make the cup 5 and the corner protector 6 fit more tightly, in this embodiment, a magnetic piece can also be provided on the peripheral wall of the corner protector 6, and the outer wall of the cup 5 can be provided with a material that attracts the magnetic piece, such as a metal or alloy material like iron, nickel, or cobalt. Conversely, the magnetic piece can also be provided on the cup, which will not be elaborated here.

[0062] In one embodiment, such as Figure 5 and Figure 6 As shown, the lifting assembly 24 includes: a lifting member, a second roller 244, and a second driven roller 245; one end of the lifting member is connected to the second driven roller 245 for carrying the battery, and the bottom end of the lifting member is mounted on the outer protrusion via the second roller 244.

[0063] The lifting component includes an outer rod 241, a lifting rod 242, and an elastic element 243. One end of the outer rod 241 is connected to a second driven wheel 245 for carrying the battery. The outer rod 241 is provided with an elastic element 243. The other end of the outer rod 241 is connected to an elastic element 243. The elastic element 243 is connected to the top end of the lifting rod 242. The bottom end of the lifting rod 242 is set on the outer boss 132 through a second roller 244.

[0064] Specifically, the top of the outer rod 241 is connected to an inner support rod 246, and the inner support rod 246 is equipped with a second driven wheel 245, which directly supports the battery. The outer rod 241 is equipped with an elastic element 243, which can be a spring. The bottom end of the outer rod 241 is mounted on the outer boss 132 via the elastic element 243, the lifting rod 242, and the second roller 244. During the rotation of the rotating mechanism 11, the second roller 244 can move on the outer boss 132. The elastic element 243 provides a certain amount of floating space for the entire lifting assembly 24, preventing the battery from being damaged by pressure when lifting it.

[0065] To adjust the length of the entire lifting assembly 24, an inner support rod 246 is slidably mounted within an outer support rod 241. The inner support rod 246 is connected to a second driven wheel 245. The outer support rod 241 has a limiting groove, and the inner support rod 246 has a slider extending beyond the limiting groove. By moving the slider, the relative position between the inner support rod 246 and the outer support rod 241 can be adjusted, thereby adjusting the length of the lifting assembly 24.

[0066] Based on the above embodiments, in one embodiment, such as Figure 3 As shown, the pressing assembly 22 includes a motor 221, a bearing housing 222, a pressing head 223, and a cam assembly 224. The motor 221 is mounted on the bearing housing 222, which is movably connected to the base 21 in the vertical direction. The bearing housing 222 is mounted on the upper boss 120 via the cam assembly 224. The rotating end of the motor 221 passes through the bearing housing 222 and is connected to the pressing head 223. The pressing head 223 is coaxially arranged with the lifting assembly 24.

[0067] Specifically, the bearing housing 222 is movably connected to the base 21 in the vertical direction. A cam assembly 224 is mounted on the bearing housing 222 and is positioned on the upper boss 120. When the rotating mechanism 11 rotates, the cam assembly 224 moves on the upper boss 120, causing the bearing housing 222 to move as well. The motor 221 can be a servo motor, and the pressure head 223 is a copper pressure head. When the motor 221 rotates, it drives the copper pressure head to rotate. The copper pressure head has threads to prevent overheating during the rotation of the lower battery. The copper pressure head and threads facilitate heat dissipation for the pressure head 223.

[0068] When the pressing component 22 presses down, the motor 221 drives the pressing head 223 to rotate, and the battery can rotate under the drive of the pressing head 223. The rotation speed of the battery can be adjusted by controlling the rotation speed of the motor 221 to meet different welding needs.

[0069] In addition, the sealing welding device also includes a timer, which is electrically connected to the motor 221 and is used to control the motor 221 to rotate after the rotating mechanism 11 has rotated for a preset time.

[0070] Alternatively, the sealing welding device may also be equipped with a camera, which is electrically connected to the motor 221. The camera is used to acquire images to determine the rotation of the motor 221 after the rotating mechanism 11 has rotated to a preset angle.

[0071] Alternatively, the sealing welding device may be equipped with a position sensor, which is electrically connected to the motor 221. The position sensor controls the motor 221 to rotate after the rotating mechanism 11 rotates to a preset angle.

[0072] Furthermore, the timer, camera, or position sensor can control the motor 211 to stop rotating after the rotating mechanism 11 has rotated to another preset angle (the angle at which welding is completed) or after rotating for a certain period of time, so as to control the operation of the sealing welding device.

[0073] In addition, the rotating mechanism 11 can also be equipped with an encoder. After the rotating mechanism 11 rotates to a certain angle, the encoder obtains that the battery is in place at that rotation angle, and then the encoder can control the motor 221 to rotate, which will drive the battery to rotate on its own.

[0074] Specifically, after the battery with the cap closed is transferred to the sealing welding device, the rotating mechanism 11 rotates, driving the pressing assembly 22, the clamping assembly 23, and the lifting assembly 24 to rotate. The second roller 244 moves on the outer boss 132. After the second roller 244 moves to the high position, the inner support rod 246 lifts the battery on the second driven roller 245. At the same time, the first roller 233 of the clamping assembly 23 moves on the inner boss 131. When the first roller 233 moves to the low position, the clamp 231 moves down, and the multiple first driven rollers 234 on the clamp 231 clamp the battery. At this time, the cam assembly 224 on the pressing assembly 22 rotates to the low position, the pressure head 223 presses down, and the battery is between the pressure head 223 and the second driven roller 245. At this time, the elastic element 243 is in a compressed state, and the elastic element 243 can provide a certain floating space for the entire lifting assembly 24. The sensor detects that the rotating mechanism 11 has rotated to the correct position, and controls the motor 221 to rotate. The motor 221 drives the pressure head 223 to rotate. Under the drive of the pressure head 223 and with the cooperation of the first driven wheel 234, the battery rotates on the second driven wheel 245, allowing the welding mechanism 3 to weld the rotating battery. After welding is completed, the rotating mechanism 11 continues to rotate. At this time, the sensor controls the motor 221 to stop working, and the second roller 244 moves on the outer boss 132. After the second roller 244 moves to the lower position, the inner support rod 246 lowers the battery on the second driven wheel 245. At the same time, the first roller 233 of the clamping assembly 23 moves on the inner boss 131. When the first roller 233 moves to the high position, the clamp 23 moves up, thereby separating the clamp 23 from the battery. The cam assembly 224 on the pressing assembly 22 rotates to the high position, and the pressing head 223 also moves up. At this time, the elastic element 243 is in the natural state. Then the battery can be moved to the next station to complete the sealing of a battery.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sealing welding device for sealing and welding batteries in a cup, characterized in that, include: A turret includes a rotating mechanism and an upper and lower turntable mounted on the rotating mechanism. The rotating mechanism is rotatable relative to the upper and lower turntables. The upper turntable has an upper boss, and the lower turntable has an inner boss and an outer boss arranged coaxially. The inner boss has a first protrusion and a second protrusion, the height of the first protrusion being greater than the height of the second protrusion. The outer boss has a third protrusion and a fourth protrusion, the height of the third protrusion being greater than the height of the fourth protrusion. The upper boss has a fifth protrusion and a sixth protrusion, the height of the fifth protrusion being greater than the height of the sixth protrusion. A clamping mechanism includes a base, a pressing component, a clamping component, and a lifting component. The base is connected to the rotating mechanism. The clamping component is movably mounted on the base in a vertical direction, and its bottom abuts against the inner boss. The lifting component is movably mounted on the base in a vertical direction, and its bottom abuts against the outer boss. The pressing component is disposed opposite to the lifting component, movably mounted on the base in a vertical direction, and its top abuts against the upper boss. The clamping component includes a clamp, a support rod, a first roller, and a first driven roller. One end of the clamp is provided with a first clamping member and a second clamping member spaced apart. The clamping components are arranged on both sides of the central axis of the lifting assembly. Both the first and second clamping components are provided with a first driven wheel for abutting against the rotation of the battery. The other end of the clamp is mounted on the inner boss via the support rod and the first roller. The first and second clamping components are mounted on a connecting plate via corresponding pivots and rotate relative to the connecting plate. A first guide rod is hinged to the first clamping component, and a second guide rod is hinged to the second clamping component. The first clamping component is connected to the support rod via the first guide rod, and the second clamping component is connected to the support rod via the second guide rod. A spring is connected to both the first clamping component and the second guide rod. A welding mechanism, located on one side of the clamping mechanism, is used to weld the rotating battery. During the welding process, the clamping component moves to the second protrusion to clamp the battery, the lifting component moves to the third protrusion to lift the battery, and the pressing component moves to the sixth protrusion to press down and drive the battery to rotate. When the welding mechanism is not welding, the clamping component moves to the first protrusion to release the battery, the lifting component moves to the fourth protrusion to lower the battery, and the pressing component moves to the fifth protrusion away from the battery.

2. The sealing welding device according to claim 1, characterized in that, The clamping mechanism is provided in multiple ways, and each clamping mechanism is arranged at intervals along the rotation direction of the turret.

3. The sealing welding apparatus according to claim 1 or 2, characterized in that, The central axis of the lifting assembly coincides with the central axis of the pressing assembly, and the clamping central axis of the clamping assembly is parallel to the central axis of the lifting assembly.

4. The sealing welding device according to claim 3, characterized in that, The lifting assembly includes: a lifting component, a second roller, and a second driven roller; One end of the lifting member is connected to the second driven wheel for supporting the battery, and the bottom end of the lifting member is set on the outer protrusion through the second roller.

5. The sealing welding device according to claim 4, characterized in that, The sealing welding device further includes: a support plate and corner protectors; The support plate is connected to the base, and the support plate is provided with a first through hole. The corner protectors are provided on the support plate and located on both sides of the central axis of the lifting assembly. The corner protectors are adapted to the shape of the cup and are used to limit and fix the position of the cup. The bottom of the cup is provided with a second through hole, and the second driven wheel can pass through the first through hole and the second through hole in sequence to support the battery.

6. The sealing welding device according to claim 4, characterized in that, The lifting component includes an outer sleeve rod, a lifting rod, and an elastic element; One end of the outer sleeve is connected to the second driven wheel for supporting the battery. The outer sleeve is provided with the elastic element. The other end of the outer sleeve is connected to the elastic element. The elastic element is connected to the top end of the lifting rod. The bottom end of the lifting rod is set on the outer protrusion through the second roller.

7. The sealing welding device according to claim 3, characterized in that, The pressing assembly includes: a motor, a bearing housing, a pressing head, and a cam assembly; The motor is mounted on the bearing housing, which is movably connected to the base in the vertical direction. The bearing housing is mounted on the upper boss via the cam assembly. The rotating end of the motor passes through the bearing housing and is connected to the pressure head. The pressure head is coaxially arranged with the lifting assembly.

8. The sealing welding apparatus according to claim 7, characterized in that, The sealing welding device also includes: A timer, electrically connected to the motor, is used to control the motor to rotate after the rotating mechanism has rotated for a preset time; Alternatively, a camera, electrically connected to the motor, is used to control the rotation of the motor after the rotating mechanism has rotated to a preset angle; Alternatively, a position sensor, electrically connected to the motor, is used to control the motor to rotate after the rotating mechanism has rotated to a preset angle; Alternatively, an encoder, electrically connected to the motor, is used to obtain the rotation angle of the rotating mechanism and control the motor to rotate after the rotation is in place.

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