Battery liquid injection hole plugging nail mounting and welding device

Abstract

A battery liquid injection hole plugging nail installing and welding device comprises an installing mechanism, a welding mechanism and a transferring and lifting mechanism used for transferring a battery to the installing mechanism to install a plugging nail and welding the plugging nail at the welding mechanism. The mounting mechanism comprises a vibration disc, a conveying plate and a negative pressure suction head, a through groove is formed in the conveying plate, the conveying plate communicates with a discharging opening in the vibration disc, and a single-nail pushing and blocking plate used for transferring a single blocking nail to the position under the negative pressure suction head is arranged at the other end of the conveying plate in a sliding mode; the negative-pressure suction head is connected with a negative-pressure fan, and the negative-pressure suction head transfers the adsorbed plugging nail to the position above the battery liquid injection hole through the lifting moving assembly and loads the plugging nail into the battery liquid injection hole; the welding mechanism comprises a laser welding assembly and an XY-axis combined moving assembly used for driving the laser welding assembly to move circumferentially, a welding datum plate is arranged below the laser welding assembly, and a datum penetrating hole is formed in the welding datum plate. According to the utility model, the plugging nail can be quickly mounted and welded, and the equipment expenditure cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of battery welding technology and equipment, specifically a battery filling hole sealing pin installation and welding device. Background Technology

[0002] Battery electrolyte is filled into the battery through the filling hole. After filling, the filling hole is usually sealed with a sealing pin to prevent electrolyte leakage. There are two existing methods for welding the sealing pin into the battery filling hole. The first method involves manually inserting the sealing pin into the filling hole, then moving the battery with the sealing pin installed onto a platform with a laser. Personnel then fine-tune the position of the sealing pin on the filling hole so that it is directly below the laser. The laser emits a laser beam to weld the sealing pin to the filling hole. The second method involves using fully automated equipment. The equipment uses clamps to pick up the battery and place it on a platform at the location where the sealing pin should be installed. Then, the clamps pick up the sealing pin and install it into the battery's electrolyte filling hole. After the sealing pin is installed, a moving mechanism within the automated equipment moves the battery directly under a laser. The laser then welds the sealing pin in place. Finally, the clamps in the automated equipment remove the battery. Both methods can successfully install and weld the sealing pin onto the battery's electrolyte filling hole. However, the first method, using manual installation, is slower and less efficient, while the second method, using fully automated equipment, incurs higher equipment costs. Utility Model Content

[0003] The present invention aims to provide a battery filling hole sealing nail installation and welding device, which can quickly complete the installation and welding of sealing nails while reducing equipment expenditure costs.

[0004] To solve the above technical problems, the specific solution adopted by this utility model is a battery filling hole sealing nail installation and welding device, including an installation mechanism for installing the sealing nail in the battery filling hole and a welding mechanism for welding and fixing the sealing nail to the battery filling hole. The installation mechanism and the welding mechanism are arranged side by side, and a transfer lifting mechanism is provided on the front side of the installation mechanism and the welding mechanism for transferring the battery to the installation mechanism for installing the sealing nail and transferring the battery to the welding mechanism for welding the sealing nail.

[0005] The installation mechanism includes a vibratory feeder, a conveyor plate, and a negative pressure suction head. The vibratory feeder vibrates the sealing nails until they are vertically aligned with their heads facing upwards. The conveyor plate has a through groove along its length. One end of the conveyor plate is connected to a discharge port on the side wall of the vibratory feeder so that the sealing nails can be moved into the through groove through the discharge port. A single nail push plate is slidably installed at the outlet of the other end of the conveyor plate. The side of the single nail push plate facing the conveyor plate has a push step for moving a single sealing nail directly below the negative pressure suction head. The negative pressure suction head is connected to a negative pressure fan through a pipe so that the negative pressure suction head can pick up the sealing nails. The negative pressure suction head moves the picked-up sealing nails to above the battery filling hole and inserts them into the battery filling hole through a lifting and moving component.

[0006] The welding mechanism includes a laser welding assembly and an XY-axis combined movement assembly. A welding reference plate is set below the laser welding assembly. The welding reference plate has a reference hole for the laser to pass through and reach the battery filling hole sealing nail. The laser welding assembly is set on the XY-axis combined movement assembly, which is used to drive the laser welding assembly to move circumferentially along the reference hole to weld the sealing nail.

[0007] As another optimized solution for the battery injection hole sealing nail installation and welding device mentioned above: the lifting and moving assembly includes a screw and nut drive component, a connecting frame, and a lifting cylinder. The screw and nut drive component is arranged parallel to the conveying plate. The connecting frame is slidably arranged on the screw and nut drive component. The lifting cylinder is arranged at one end of the connecting frame located above the conveying plate. The piston rod of the lifting cylinder is connected to the negative pressure suction head through the mounting plate.

[0008] As another optimized solution for the battery injection hole sealing nail installation and welding device mentioned above: the transfer and lifting mechanism includes a translation screw nut transmission component, a sliding plate and a lifting component. The sliding plate is slidably mounted on the translation screw nut transmission component, and the lifting component is mounted on the sliding plate to carry the battery and drive the battery to rise or fall.

[0009] As another optimized solution for the above-mentioned battery injection hole sealing nail installation and welding device: the lifting component includes a lifting plate, a battery lifting cylinder and two side positioning plates. The lifting plate is located directly above the sliding plate, and the lifting plate and the sliding plate are connected by guide columns. The battery lifting cylinder is located on the sliding plate to drive the lifting plate to rise or fall. The two side positioning plates are respectively located on two adjacent sides on the upper side of the lifting plate.

[0010] As another optimized solution for the battery injection hole sealing nail installation and welding device mentioned above: a suspension plate is set in the middle of the lifting plate, and multiple columns are set on the lifting plate below the suspension plate. Each column is fitted with a spring, and the upper end of each spring is fixedly connected to the suspension plate.

[0011] As another optimized solution for the battery injection hole sealing nail installation and welding device mentioned above: positioning drive cylinders are respectively provided on the two sides of the lifting plate adjacent to the side positioning plate, and the piston rod ends of the positioning drive cylinders are distributed in the direction of the battery and connected to the positioning push plate.

[0012] As another optimized solution for the battery injection hole sealing pin installation and welding device mentioned above: the XY axis combined moving assembly includes a Y-axis lead screw and nut drive component and an X-axis lead screw and nut drive component. The Y-axis lead screw and nut drive component is set along the Y-axis direction, and the X-axis lead screw and nut drive component is set along the X-axis direction. The X-axis lead screw and nut drive component is slidably mounted on the Y-axis lead screw and nut drive component through the Y-axis connecting plate. The laser welding assembly is slidably mounted vertically on the side of the X-axis lead screw and nut drive component located above the welding reference plate through the X-axis connecting plate.

[0013] As another optimized solution for the above-mentioned battery injection hole sealing nail installation welding device: multiple smoke extraction heads are arranged around the outer periphery of the laser welding assembly, and the multiple smoke extraction heads are connected to a negative pressure pump through pipes to suck away the smoke and dust generated by welding the sealing nail.

[0014] As another optimized solution for the battery injection hole sealing pin installation and welding device mentioned above: a cleaning mechanism for treating residual electrolyte on the wall of the battery injection hole is provided on one side of the installation mechanism. The cleaning mechanism includes a cleaning laser, a cleaning substrate, and an exhaust gas collection ball. The cleaning substrate is located below the cleaning laser and has an installation hole for installing the exhaust gas collection ball. The exhaust gas collection ball has a laser perforation through it for communicating with the installation hole. The side wall of the exhaust gas collection ball is connected to a cleaning negative pressure fan for discharging the smoke and exhaust gas collected in the cavity of the exhaust gas collection ball through a pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] In this invention, a vibratory feeder vibrates and adjusts the sealing nails to a neat, vertically aligned position with their heads facing upwards. The neatly aligned sealing nails, propelled by the vibration of the feeder and the push of subsequent sealing nails, enter the through-groove of the connected moving conveyor plate from the discharge port on the feeder. A single-nail pusher plate, slidably positioned at the end of the conveyor plate, pushes a single sealing nail to directly below the negative pressure suction head via a step. The negative pressure suction head, connected to a negative pressure fan, can hold the head of the sealing nail directly below it. The battery is then moved to a position in front of the installation mechanism via a lifting and conveying mechanism. The negative pressure suction head, through a lifting and moving component, moves the sealing nail horizontally to a position directly above the battery's electrolyte filling hole, and then, through the lifting and moving component, inserts the sealing nail into the battery's electrolyte filling hole, completing the installation. Batteries with sealing pins installed are transported via a transfer and lifting mechanism to a position below the welding reference plate. Driven by the XY-axis combined moving component, the laser welding assembly moves circumferentially along the reference perforation on the welding reference plate, causing the laser to be emitted circumferentially along the sealing pin, thus welding and fixing the sealing pin to the battery's electrolyte filling hole. The entire battery installation and sealing pin welding process is semi-automated; the installation and welding of the sealing pins are automated. The placement of the battery on the transfer and lifting mechanism for sealing pin installation and welding, as well as the removal of the battery from the transfer and lifting mechanism after welding and fixing the sealing pins, are all performed manually. Compared to existing technologies that rely on manual labor or full automation, this method ensures the speed of sealing pin installation and welding while reducing equipment costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the installation mechanism and the cleaning mechanism in this utility model;

[0019] Figure 3 for Figure 2 A magnified view of part A in the middle;

[0020] Figure 4 This is a schematic diagram of the welding mechanism.

[0021] Reference numerals: 1. Installation mechanism; 101. Vibratory feeder; 102. Lifting and moving assembly; 1021. Installation lifting cylinder; 1022. Connecting frame; 1023. Installation screw and nut transmission component; 10231. Installation drive motor; 103. Conveyor plate; 1031. Through groove; 104. Negative pressure suction head; 105. Single nail push-block plate; 1051. Push-block step; 106. Nail base; 107. Limiting screw; 108. Limiting block; 109. Push-block cylinder; 2. Welding mechanism; 201. Vision camera; 202. Welding lifting screw and nut transmission component; 203. XY axis combined moving assembly; 2031. X-axis screw and nut. Transmission components, 2032, Y-axis lead screw and nut transmission components, 204, laser welding assembly, 2041, cigarette extractor, 205, welding reference plate, 2051, reference perforation, 3, cleaning mechanism, 301, cleaning laser, 302, exhaust gas collection ball, 3021, laser perforation, 303, cleaning substrate, 3031, mounting hole, 4, battery, 5, transfer and lifting mechanism, 501, side positioning plate, 502, positioning drive cylinder, 5021, positioning push plate, 503, guide column, 504, lifting plate, 505, battery lifting cylinder, 506, sliding plate, 507, translation lead screw and nut transmission components, 508, suspension plate. Detailed Implementation

[0022] The technical solution of this utility model will be further described in detail below with reference to specific embodiments. Parts of this utility model that are not described in detail in the following embodiments, such as the specifications and models of the installation of lifting cylinder, installation of drive motor, and positioning drive cylinder, as well as the structure of the installation of lead screw and nut transmission components, X-axis lead screw and nut transmission components, Y-axis lead screw and nut transmission components, and translation lead screw and nut transmission components, should all be known or should be known by those skilled in the art.

[0023] A battery filling hole sealing pin installation welding device, such as Figure 1-4 As shown, it includes an installation mechanism 1, a welding mechanism 2, and a transfer and lifting mechanism 5. The transfer and lifting mechanism 5 is used to transfer the battery 4 to the installation mechanism 1 and the welding mechanism 2. The installation mechanism 1 is used to install the sealing nail into the electrolyte filling hole of the battery 4. The welding mechanism 2 is used to weld and fix the sealing nail to the electrolyte filling hole of the battery 4.

[0024] The installation mechanism 1 and the welding mechanism 2 are arranged side by side. The transfer and lifting mechanism 5 is located in front of the installation mechanism 1 and the welding mechanism 2. The installation mechanism 1 includes a vibratory plate 101, a conveying plate 103, a single nail push-blocking plate 105, and a negative pressure suction head 104. A large number of sealing nails are arranged vertically with the nail heads facing upwards through the vibration of the vibratory plate 101. The neatly arranged sealing nails move in the linear feeder on the vibratory plate 101 under the vibration of the vibratory plate 101 and the continuous pushing of the subsequent sealing nails.

[0025] The vibratory feeder 101 has a discharge port at the position where it is connected to the linear feeder. One end of the conveyor plate 103 is fixed to the vibratory feeder 101 and communicates with the discharge port. The conveyor plate 103 has a through groove 1031 distributed along its length in the middle. The sealing pins arranged neatly on the linear feeder can be moved through the discharge port into the through groove 1031 by the push of the sealing pins after the vibration of the vibratory feeder 101, and can move steadily towards the other end of the conveyor plate 103 along the through groove 1031.

[0026] The other end of the conveyor plate 103 away from the vibratory plate 101 is located below the negative pressure suction head 104. The single nail push-block plate 105 is slidably disposed at the port of the conveyor plate 103 away from the vibratory plate 101. A push-block cylinder 109 is provided on one side of the single nail push-block plate 105 for driving it to slide back and forth in a direction perpendicular to the port of the conveyor plate 103.

[0027] A nail base 106 is provided on the front side of the conveyor plate 103 before it moves out of the sealing nail port. A slide rail is provided on the nail base 106. The slide rail is arranged in a direction perpendicular to the conveyor plate 103. A slider is provided on the slide rail. A connecting block is fixed on the slider. One side of the connecting block facing the conveyor plate 103 is fixedly connected to the single nail push-blocking plate 105.

[0028] A push-stop cylinder 109 is mounted on the nail base 106. The piston rod of the push-stop cylinder 109 is connected to the connecting block, so that the push-stop cylinder 109 drives the single-nail push-stop plate 105 to reciprocate at the port of the conveying plate 103 via the connecting block. A limit block 108 is provided on one side of the connecting block on the nail base 106. The limit block 108 is connected to the connecting block by a limit screw. The limit screw 107 is arranged parallel to the piston rod of the push-stop cylinder 109.

[0029] A single-nail push-blocking plate 105 is provided with a push-blocking step 1051 on the side facing the conveyor plate 103. The single-nail push-blocking plate 105 moves under the drive of the push-blocking cylinder 109 and pushes the single sealing nail to the position directly below the negative pressure suction head 104 through the push-blocking step 1051. While pushing the single sealing nail directly below the negative pressure suction head 104, the outer wall of the push-blocking step 1051 can block the port of the conveyor plate 103 to prevent the subsequent sealing nails from moving out of the through groove 1031.

[0030] The negative pressure suction head 104 is connected to a negative pressure fan (not shown) via a pipe, enabling the suction head 104 to adhere to the sealing pin located directly below it. The negative pressure suction head 104 moves toward the battery 4 via the lifting and moving assembly 102 and can be raised and lowered to insert the sealing pin into the electrolyte filling hole of the battery 4.

[0031] The lifting and moving assembly 102 includes a mounting screw and nut transmission component 1023, a connecting frame 1022, and a mounting lifting cylinder 1021. The mounting screw and nut transmission component 1023 includes a mounting screw (not shown in the figure), a mounting nut, and a mounting drive motor 10231. The mounting screw is parallel to the conveyor plate 103, and the mounting nut is fitted onto the mounting screw. The mounting nut can move along the length direction of the mounting screw as the mounting screw rotates.

[0032] The mounting screw is connected to the mounting drive motor 10231 for driving its rotation. The connecting frame 1022 is suspended and spans the mounting screw. Both ends of the connecting frame 1022 are connected to the mounting nut via connecting blocks, so that the connecting frame 1022 can move along the length of the mounting screw by moving the mounting nut, thereby driving the negative pressure suction head 104 that adsorbs the sealing nail to move toward the battery 4 located in front of it.

[0033] The lifting cylinder 1021 is vertically positioned at one end of the connecting frame 1022 above the conveyor plate 103. The cylinder body of the lifting cylinder 1021 is fixed to the connecting frame 1022, and the piston rod of the lifting cylinder 1021 is positioned towards the conveyor plate 103. A mounting horizontal plate is connected to the end of the piston rod of the lifting cylinder 1021, and the negative pressure suction head 104 is vertically inserted through the mounting horizontal plate.

[0034] The negative pressure suction head 104 can descend or rise to a certain height as the piston rod of the lifting cylinder 1021 extends or retracts, thereby enabling the negative pressure suction head 104 to descend to adsorb the sealing nail and rise to remove the sealing nail from the single nail push plate 105. Subsequently, it moves towards the battery 4 under the drive of the drive motor 10231.

[0035] When the negative pressure suction head 104, adsorbing the sealing nail, moves to a position directly above the liquid injection hole of battery 4, the negative pressure suction head 104 descends as the piston rod of the installation lifting cylinder 1021 extends. As the sealing nail penetrates the liquid injection hole of battery 4, the negative pressure fan is turned off, and the sealing nail, having lost its negative pressure adsorption force, falls into the liquid injection hole of battery 4, completing the automated operation of installing the sealing nail into the liquid injection hole of battery 4.

[0036] After the sealing pin is installed in the electrolyte filling hole of battery 4, battery 4 is moved to the front of welding mechanism 2 by transfer and lifting mechanism 5. Welding mechanism 2 includes laser welding component 204 and XY axis joint movement component 203. Laser welding component 204 can emit laser and is slidably mounted on XY axis joint movement component 203. Laser welding component 204 is distributed vertically, and welding reference plate 205 is provided below laser welding component 204. Welding reference plate 205 has a reference through hole 2051 for the laser to pass through and hit the sealing pin of electrolyte filling hole of battery 4.

[0037] The XY-axis combined moving assembly 203 includes a Y-axis lead screw and nut transmission component 2032 and an X-axis lead screw and nut transmission component 2031. The Y-axis lead screw and nut transmission component 2032 is arranged along the Y-axis direction, and the X-axis lead screw and nut transmission component 2031 is arranged along the X-axis direction. A welding lifting lead screw and nut transmission component 202 is slidably mounted on the Y-axis lead screw and nut transmission component 2032. The X-axis lead screw and nut transmission component 2031 is slidably mounted on the welding lifting lead screw and nut transmission component 202 via a Y-axis connecting plate. The laser welding assembly 204 is slidably mounted vertically on one side of the X-axis lead screw and nut transmission component 2031 above the welding reference plate 205 via the X-axis connecting plate.

[0038] The aforementioned Y-axis lead screw and nut transmission component 2032, X-axis lead screw and nut transmission component 2031, and welding lifting lead screw and nut transmission component 202 all feature lead screw and nut transmission structures, enabling the laser welding assembly 204 to adjust its height vertically by being driven by the welding lifting lead screw and nut transmission component 202. The laser welding assembly 204 can move in both the X and Y axes under the drive of the XY-axis combined movement component 203, allowing it to weld and fix the sealing pin to the electrolyte injection hole of the battery 4 along the circumferential motion of the reference through hole 2051.

[0039] In addition, the X-axis lead screw and nut transmission component 2031 is provided with a displacement compensation component distributed along its length direction. The displacement compensation component includes a displacement lead screw and nut transmission component and a vision camera 201. The structure of the displacement lead screw and nut transmission component here is the existing lead screw and nut transmission structure. The vision camera 201 is slidably set on the outside of the laser welding component 204 through the displacement connecting plate. The vision camera 201 can take pictures of the position of the liquid injection hole of the battery 4, and adjust and compensate the position of the liquid injection hole of the battery 4 according to the position of the picture so that the liquid injection hole of the battery 4 is directly below the laser welding component 204.

[0040] In addition, in order to reduce the environmental pollution and harm to personnel health caused by the smoke and dust generated during welding of sealing nails, multiple smoke extraction heads 2041 are provided around the outer periphery of the laser welding assembly 204. The multiple smoke extraction heads 2041 are connected to a negative pressure pump through pipes to remove the smoke and dust generated during welding of sealing nails.

[0041] The transfer and lifting mechanism 5, located in front of the installation mechanism 1 and the welding mechanism 2, includes a translation screw and nut transmission component 507, a sliding plate 506, and a lifting component. The structure of the translation screw and nut transmission component 507 is the existing screw and nut transmission structure. The sliding plate 506 is slidably mounted on the translation screw and nut transmission component 507 via a connecting plate. The lifting component is located directly above the sliding plate 506 to support the battery 4 and drive the battery 4 to rise or fall.

[0042] The lifting component includes a lifting plate 504, a battery lifting cylinder 505, and two side positioning plates 501. The lifting plate 504 is located directly above the sliding plate 506. A guide post 503 is provided at each of the four corners of the sliding plate 506 and slides through the lifting plate 504. The battery lifting cylinder 505 is located on the sliding plate 506. The piston rod of the battery lifting cylinder 505 is fixed to the lifting plate 504 to drive the lifting plate 504 to rise or fall. The two side positioning plates 501 are respectively located on the adjacent right side and rear side of the upper side of the lifting plate 504.

[0043] A positioning drive cylinder 502 is fixed on the front side and the left side of the lifting plate 504 by a bracket. The piston rod end of the positioning drive cylinder 502 is set towards the battery 4, and a positioning push plate 5021 for pushing the battery 4 to move towards the side positioning plate 501 is fixed to the end of the piston rod of the positioning drive cylinder 502.

[0044] A suspension plate 508 is provided in the middle of the lifting plate 504. Multiple columns are provided on the lifting plate 504 below the suspension plate 508. Springs are fitted on each column. The upper end of each spring is fixedly connected to the suspension plate 508. The buffering effect of the suspension plate 508 can prevent the upper surface of the battery 4 from having a hard collision with the cleaning substrate 303 and the welding reference plate 205 when the piston rod of the battery lifting cylinder 505 extends.

[0045] In addition, in order to reduce the impact of residual electrolyte crystallization on the walls of the battery's 4 injection holes on the subsequent installation of the sealing pins;

[0046] This device has a cleaning mechanism 3 installed on one side of the mounting mechanism 1. The cleaning mechanism 3 can remove residual electrolyte on the wall of the battery 4's electrolyte filling hole. The cleaning mechanism 3 includes a cleaning laser 301, a cleaning substrate 303, a waste gas collection ball 302, and a negative pressure fan. The cleaning laser 301 is vertically arranged, and a support is provided below the cleaning laser 301. The cleaning substrate 303 is mounted on the support, and a mounting hole 3031 is opened on the cleaning substrate 303. The laser emitting end of the cleaning laser 301 is located directly above the mounting hole 3031. The battery 4 is placed below the cleaning substrate 303, and its electrolyte filling hole is aligned with the mounting hole 3031, so that the laser emitted by the cleaning laser 301 passes through the mounting hole 3031 and hits the wall of the battery 4's electrolyte filling hole, thereby removing the residual electrolyte on the wall of the electrolyte filling hole through laser treatment.

[0047] When laser treatment is used to process residual electrolyte, smoke and exhaust gas are generated. In order to achieve better cleaning effect and reduce the impact of smoke and exhaust gas on the respiratory safety of personnel, and to prevent smoke and exhaust gas from falling onto the wall of the injection hole and affecting the sealing effect of the subsequent sealing nail or entering the battery 4 and causing a short circuit in the battery 4, the exhaust gas collection ball 302 is installed on the mounting hole 3031 on the side of the cleaning substrate 303.

[0048] The cleaning substrate 303 is provided with mounting holes 3031. Waste collection balls are installed in mounting holes 3031. A spherical converging cavity can be formed inside the waste gas collection ball 302. Two laser perforations 3021 are symmetrically opened on the waste gas collection ball 302. When the waste gas collection ball 302 is installed in the mounting hole 3031, one of its corresponding laser perforations 3021 is located in the mounting hole 3031 and communicates with the mounting hole 3031. The laser emitted by the cleaning laser 301 can reach the wall of the electrolyte injection hole of the battery 4 through the two connected laser perforations 3021 and the mounting hole 3031 to remove the residual electrolyte and prevent the residual electrolyte from crystallizing over a long period of time and affecting the subsequent installation and sealing of the electrolyte injection hole of the battery 4.

[0049] The smoke and exhaust gas generated after the residual electrolyte in the exhaust gas collection ball 302 is treated by laser are collected in the spherical collection cavity through the mounting hole 3031. The exhaust gas collection ball 302 is connected to the clean negative pressure fan through the exhaust gas pipe. The negative pressure suction generated by the negative pressure fan will discharge the smoke and exhaust gas collected in the spherical collection cavity through the exhaust gas pipe.

[0050] A fixing hole is provided on the side wall of the exhaust gas collection ball 302. An anemometer probe (not shown in the figure) is inserted into the fixing hole. The anemometer probe is inserted into the exhaust gas collection ball 302 through the fixing hole to detect whether the flow rate of the flue gas in the spherical collection cavity meets the flow rate requirements.

Claims

1. A battery filling hole sealing pin installation and welding device, characterized in that: It includes an installation mechanism (1) for installing the sealing pin into the liquid injection hole of the battery (4) and a welding mechanism (2) for welding and fixing the sealing pin to the liquid injection hole of the battery (4). The installation mechanism (1) and the welding mechanism (2) are arranged side by side. The front side of the installation mechanism (1) and the welding mechanism (2) is provided with a transfer lifting mechanism (5) for transferring the battery (4) to the installation mechanism (1) to install the sealing pin and to the welding mechanism (2) to weld the sealing pin. The installation mechanism (1) includes a vibratory feeder (101), a conveyor plate (103), and a negative pressure suction head (104). The vibratory feeder (101) is used to vibrate the sealing nails until they are vertically and neatly arranged with their heads facing upwards. A through groove (1031) is provided on the conveyor plate (103) along its length. One end of the conveyor plate (103) is connected to the discharge port provided on the side wall of the vibratory feeder (101) so that the sealing nails are transferred into the through groove (1031) through the discharge port. The other end of the conveyor plate (103) has an outlet. A single-nail push-stop plate (105) is slidably provided. The side of the single-nail push-stop plate (105) facing the conveying plate (103) is provided with a push-stop step (1051) for moving a single sealing nail to the negative pressure suction head (104) directly below. The negative pressure suction head (104) is connected to a negative pressure fan through a pipe for the negative pressure suction head (104) to adsorb the sealing nail. The negative pressure suction head (104) moves the adsorbed sealing nail to the top of the battery (4) injection hole and into the battery (4) injection hole through the lifting and moving assembly (102). The welding mechanism (2) includes a laser welding assembly (204) and an XY-axis combined moving assembly (203). A welding reference plate (205) is provided below the laser welding assembly (204). The welding reference plate (205) has a reference through hole (2051) for the laser to pass through and hit the sealing nail of the liquid injection hole of the battery (4). The laser welding assembly (204) is set on the XY-axis combined moving assembly (203). The XY-axis combined moving assembly (203) is used to drive the laser welding assembly (204) to move in a circle along the reference through hole (2051) to weld the sealing nail.

2. The battery filling hole sealing pin installation and welding device according to claim 1, characterized in that: The lifting and moving assembly (102) includes a mounting screw and nut transmission component (1023), a connecting frame (1022), and a mounting lifting cylinder (1021). The mounting screw and nut transmission component (1023) is arranged parallel to the conveyor plate (103). The connecting frame (1022) is slidably arranged on the mounting screw and nut transmission component (1023). The mounting lifting cylinder (1021) is located at one end of the connecting frame (1022) above the conveyor plate (103). The piston rod of the mounting lifting cylinder (1021) is connected to the negative pressure suction head (104) through the mounting plate.

3. The battery filling hole sealing pin installation and welding device according to claim 1, characterized in that: The transfer lifting mechanism (5) includes a translation screw nut transmission component (507), a sliding plate (506), and a lifting component. The sliding plate (506) is slidably mounted on the translation screw nut transmission component (507), and the lifting component is mounted on the sliding plate (506) to carry the battery (4) and drive the battery (4) to rise or fall.

4. The battery filling hole sealing pin installation and welding device according to claim 3, characterized in that: The lifting component includes a lifting plate (504), a battery lifting cylinder (505), and two side positioning plates (501). The lifting plate (504) is located directly above the sliding plate (506), and the lifting plate (504) and the sliding plate (506) are connected by a guide column (503). The battery lifting cylinder (505) is located on the sliding plate (506) to drive the lifting plate (504) to rise or fall. The two side positioning plates (501) are respectively located on two adjacent sides of the upper side of the lifting plate (504).

5. The battery filling hole sealing pin installation and welding device according to claim 4, characterized in that: A suspension plate (508) is provided in the middle of the lifting plate (504). Multiple columns are provided on the lifting plate (504) below the suspension plate (508). Each column is fitted with a spring, and the upper end of each spring is fixedly connected to the suspension plate (508).

6. The battery filling hole sealing pin installation and welding device according to claim 4, characterized in that: Positioning drive cylinders (502) are respectively provided on the two sides of the lifting plate (504) adjacent to the side positioning plate (501). The piston rod end of the positioning drive cylinder (502) is distributed in the direction of the battery (4) and connected to the positioning push plate (5021).

7. The battery filling hole sealing pin installation and welding device according to claim 1, characterized in that: The XY-axis combined moving assembly (203) includes a Y-axis lead screw and nut drive component (2032) and an X-axis lead screw and nut drive component (2031). The Y-axis lead screw and nut drive component (2032) is arranged along the Y-axis direction, and the X-axis lead screw and nut drive component (2031) is arranged along the X-axis direction. The X-axis lead screw and nut drive component (2031) is slidably mounted on the Y-axis lead screw and nut drive component (2032) via a Y-axis connecting plate. The laser welding assembly (204) is slidably mounted vertically on the side of the X-axis lead screw and nut drive component (2031) located above the welding reference plate (205) via an X-axis connecting plate.

8. The battery filling hole sealing pin installation and welding device according to claim 1, characterized in that: The laser welding assembly (204) has multiple smoke extraction heads (2041) arranged around its circumference. The multiple smoke extraction heads (2041) are connected to a negative pressure pump through pipes to remove the smoke and dust generated by the welding of the sealing nail.

9. The battery filling hole sealing pin installation and welding device according to claim 1, characterized in that: A cleaning mechanism (3) for treating residual electrolyte on the wall of the battery (4) injection hole is provided on one side of the mounting mechanism (1). The cleaning mechanism (3) includes a cleaning laser (301), a cleaning substrate (303), and a waste gas collection ball (302). The cleaning substrate (303) is located below the cleaning laser (301). The cleaning substrate (303) is provided with a mounting hole (3031) for mounting the waste gas collection ball (302). A laser perforation (3021) for communicating with the mounting hole (3031) is opened through the waste gas collection ball (302). The side wall of the waste gas collection ball (302) is connected to a cleaning negative pressure fan for discharging the smoke and dust waste gas collected in the cavity of the waste gas collection ball (302) through a pipe.

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