An explosion-proof valve automatic feeding welding production line

Abstract

The application discloses an explosion-proof valve automatic feeding welding production line, which comprises an automatic assembly welding device and a battery cover plate feeding device; the automatic assembly welding device comprises an automatic circulating conveying line, a feeding station, a code scanning station, an explosion-proof valve assembly station, an explosion-proof valve spot welding station, an explosion-proof valve full welding station, a post-welding shaping station, a post-welding detection station and a classified unloading station which are sequentially arranged along the feeding direction of the automatic circulating conveying line; the automatic circulating conveying line comprises a linkage circulating material belt and a material pushing and positioning mechanism; the battery cover plate feeding device comprises a battery cover plate conveying line and a battery cover plate turnover mechanism; the battery cover plate is provided with a liquid injection hole, and the battery cover plate turnover mechanism is provided with a pickup part with a gas detection channel. The application can realize material belt positioning and conveying, so that the alignment accuracy is guaranteed, the linkage cooperation demand of the welding and shaping stations is met, and the qualified rate is greatly improved. The completion of the orientation detection in the transfer process improves the operation efficiency.

Description

Technical Field

[0001] This invention relates to an automated feeding and welding production line for explosion-proof valves, belonging to the technical field of battery explosion-proof valve welding. Background Technology

[0002] The power battery system (power battery PACK, battery pack) is the core energy source that provides driving power for new energy vehicles and is one of the most critical components of new energy vehicles. The power battery system mainly consists of battery modules, electrical systems, thermal management systems, housings, and BMS, etc. The housing encapsulates the battery modules, electrical systems, thermal management systems, and BMS, forming the main body of the power battery system.

[0003] Power batteries generally include battery cover plates, explosion-proof valves, electrode components, etc. Among them, the welding of explosion-proof valves on the battery cover plates is crucial, as it is the key to ensuring the safety of power batteries.

[0004] Welding processes generally include pre-assembly, spot welding, full welding, and post-weld inspection of battery cover plates and explosion-proof valves. In traditional processes, an automated process using a dividing plate is generally adopted, which involves setting up workstations on the dividing plate for pre-assembly, spot welding, full welding, and post-weld inspection, and switching between workstations sequentially to achieve assembly and welding.

[0005] With further improvements in technology, in order to meet the requirements of traceability of power batteries and the precision of back-end assembly, traditional equipment needs to add online identification of marked battery cover plates and post-weld shaping operations. Traditional indexing plates are difficult to expand the workstations and equip the shaping workstations.

[0006] In this situation, choosing the traditional linear production line solution can meet the requirements of online identification and inspection. However, there are two linear station stepping methods in traditional linear production. One is the sliding table stepping method, in which the battery cover is used as a support and support conveyor structure. The other is the interval conveyor belt method, in which the battery cover is transported in the air. Among them, the support and support conveyor makes it difficult to arrange spot welding, full welding and shaping stations, and it is impossible to achieve the bottom support to increase welding quality and shaping effect. On the other hand, the overhead conveyor belt is difficult to meet the alignment accuracy of station switching.

[0007] In addition, the traditional online conveying of battery covers and explosion-proof valves involves directional material transfer. Therefore, the orientation and direction of the materials are screened at the front end. When building an assembly line, it is impossible to detect the materials on the line, which leads to frequent equipment interruptions and makes it difficult to guarantee continuous production efficiency. Summary of the Invention

[0008] The purpose of this invention is to address the shortcomings of the existing technology and to propose an automated feeding and welding production line for explosion-proof valves, which addresses the significant deficiencies in the adaptation of traditional indexing plate stations and linear conveying stations.

[0009] To achieve the above objectives, the technical solution adopted by the present invention is as follows: An automated feeding and welding production line for explosion-proof valves includes an automated assembly and welding device and a battery cover plate supply device. The automated assembly and welding device includes an automated circulating conveyor line, a feeding station, a barcode scanning station, an explosion-proof valve assembly station, an explosion-proof valve spot welding station, an explosion-proof valve full welding station, a post-weld shaping station, a post-weld inspection station, and a sorting and unloading station arranged sequentially along the feeding direction of the automated circulating conveyor line. The automated circulating conveyor line includes two parallel and spaced-apart linked circulating material belts and a material feeding and positioning mechanism located between the loading station and the scanning station. Each of the linked circulating material belts is provided with side guards and several evenly spaced positioning protrusions. The material feeding and positioning mechanism includes a material feeding and positioning part with an inclined angle. The scanning station includes a scanning mechanism; The explosion-proof valve assembly station includes an explosion-proof valve supply device and an explosion-proof valve transfer assembly mechanism for picking up the explosion-proof valve from the explosion-proof valve supply device and assembling it on the battery cover plate. The explosion-proof valve spot welding station includes an explosion-proof valve spot welding mechanism; The explosion-proof valve full welding station includes an explosion-proof valve full welding mechanism; The post-weld shaping station includes a shaping mechanism, which includes a lifting shaping part having a lifting displacement that extends through the two linked circulating material belts and a top shaping part having a lifting displacement, located at the top of the lifting shaping part. The post-weld inspection station includes a post-weld image inspection mechanism; The sorting and unloading station includes a good product conveyor rail, an NG conveyor belt, and an unloading and turnover mechanism for turnover and displacement between the sorting and unloading station and the good product conveyor rail and between the sorting and unloading station and the NG conveyor belt; The battery cover supply device includes a battery cover conveyor line for supplying battery covers and a battery cover turnover mechanism for rotating battery covers between the battery cover conveyor line and the loading station. The battery cover is provided with an injection hole, and the battery cover turnover mechanism is provided with a picking part for picking up the battery cover. The picking part is provided with several negative pressure adsorption ends and a gas detection channel opposite to the position of the injection hole.

[0010] Preferably, the battery cover turnover mechanism includes a turnover frame and a linear slide mounted on the turnover frame, wherein the linear slide is provided with at least two pickup parts arranged in parallel and spaced apart.

[0011] Preferably, the material feeding and positioning part includes two inclined blocks arranged at intervals, and each of the inclined blocks is provided with a material feeding brush.

[0012] Preferably, the explosion-proof valve supply device includes an explosion-proof valve supply belt, a flexible vibrating plate disposed at the discharge end of the explosion-proof valve supply belt, an explosion-proof valve image detection mechanism disposed on the top of the flexible vibrating plate, at least one explosion-proof valve conveying rail with several explosion-proof valve seats, and an explosion-proof valve turnover robot arm for rotating the explosion-proof valve between the flexible vibrating plate and the explosion-proof valve conveying rail.

[0013] Preferably, the explosion-proof valve conveyor rail is provided with a negative pressure suction and flipping mechanism for receiving the explosion-proof valve picked up by the explosion-proof valve turnover robot arm and flipping it onto the explosion-proof valve carrier.

[0014] Preferably, the explosion-proof valve transfer assembly mechanism includes an assembly turnover section for rotating between the explosion-proof valve supply device and the automated circulating conveyor line, and an explosion-proof valve position angle guidance mechanism located at the bottom of the running path of the assembly turnover section.

[0015] Preferably, the explosion-proof valve transfer assembly mechanism includes an explosion-proof valve unloading chamber and a battery cover unloading chamber disposed on the turnover path of the assembly turnover section, and the assembly turnover section has a negative pressure turnover picking section for picking up the explosion-proof valve or the battery cover.

[0016] Preferably, the explosion-proof valve spot welding mechanism includes a spot welding machine and a spot welding locking mechanism. The spot welding locking mechanism includes a spot welding base located at the top of the automated circulating conveyor line and a spot welding lifting module with lifting displacement disposed at the bottom of the spot welding base. The spot welding base is provided with a spot welding chamber seat with a spot welding hollow part, and the spot welding hollow part is connected to a spot welding exhaust channel.

[0017] Preferably, the explosion-proof valve full welding mechanism includes a full welding machine and a full welding locking mechanism. The full welding locking mechanism includes a full welding base located at the top of the automated circulating conveyor line and a full welding lifting module with lifting displacement disposed at the bottom of the full welding base. The full welding base is provided with a full welding chamber seat with a full welding hollow part, and the full welding hollow part is connected to a spot welding exhaust channel.

[0018] Preferably, the battery cover plate is provided with two spaced-apart electrode slots, and the two linked circulating material belts are respectively provided with a plurality of arc-shaped protrusions for correspondingly cooperating with the electrode slots.

[0019] The beneficial effects of this invention are mainly reflected in: 1. It can realize the positioning and conveying of material strips, which ensures the alignment accuracy while meeting the linkage and coordination requirements of the welding and shaping stations. The welding and shaping quality of the products are guaranteed, and the pass rate is greatly improved.

[0020] 2. It meets the gas detection requirements for forward and reverse orientation during transfer, eliminating the need for additional workstations for detection. The orientation detection is completed during the transfer process, improving operational efficiency.

[0021] 3. The pre-assembly station for explosion-proof valves is compatible with unloading battery covers with incorrect orientation, making recycling and screening more convenient and efficient, and the overall operation smoother and more stable. Attached Figure Description

[0022] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the structure of an automated feeding and welding production line for explosion-proof valves according to the present invention.

[0023] Figure 2 This is a top view schematic diagram of an automated feeding and welding production line for explosion-proof valves according to the present invention.

[0024] Figure 3 yes Figure 1 A magnified structural diagram of part A in the middle.

[0025] Figure 4 This is a schematic diagram of the scanning mechanism in this invention.

[0026] Figure 5 This is a schematic diagram of the explosion-proof valve transfer and assembly mechanism in this invention.

[0027] Figure 6 This is a schematic diagram of the shaping mechanism in this invention.

[0028] Figure 7 This is a schematic diagram of the post-weld image inspection mechanism in this invention.

[0029] Figure 8 This is a schematic diagram of the unloading and turnover mechanism in this invention.

[0030] Figure 9 This is a schematic diagram of the battery cover turnover mechanism in this invention.

[0031] Figure 10 This is a schematic diagram of the explosion-proof valve supply device in this invention.

[0032] Figure 11 This is a top view of the explosion-proof valve supply device in this invention.

[0033] Figure 12This is a schematic diagram of the structure of the explosion-proof valve conveyor rail in this invention. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features described in the present application can be combined with each other.

[0036] This invention provides an automated feeding and welding production line for explosion-proof valves, such as... Figures 1 to 12 As shown, it includes an automated assembly and welding device 1 and a battery cover supply device 2.

[0037] The automated assembly and welding device 1 includes an automated circulating conveyor line 3, a feeding station 11, a barcode scanning station 12, an explosion-proof valve assembly station 13, an explosion-proof valve spot welding station 14, an explosion-proof valve full welding station 15, a post-weld shaping station 16, a post-weld inspection station 17, and a sorting and unloading station 18 arranged sequentially along the feeding direction of the automated circulating conveyor line 3.

[0038] The automated circulating conveyor line 3 includes two parallel and spaced linked circulating material belts 31 and a material feeding and positioning mechanism 32 set between the loading station and the scanning station. Each linked circulating material belt is provided with a side guard 311 and a number of evenly spaced positioning protrusions 312. The material feeding and positioning mechanism 32 includes a material feeding and positioning part 320 with an inclined angle.

[0039] The barcode scanning station 12 includes a barcode scanning mechanism 120.

[0040] The explosion-proof valve assembly station 13 includes an explosion-proof valve supply device 131 and an explosion-proof valve transfer assembly mechanism 132 for picking up the explosion-proof valve 100 from the explosion-proof valve supply device and assembling it on the battery cover plate 200.

[0041] The explosion-proof valve spot welding station 14 includes an explosion-proof valve spot welding mechanism 140.

[0042] The explosion-proof valve full welding station 15 includes the explosion-proof valve full welding mechanism 150.

[0043] The post-weld shaping station 16 includes a shaping mechanism 4, which includes a lifting shaping part 41 with a lifting displacement that penetrates two linked circulating material belts at intervals, and a top shaping part 42 with a lifting displacement that is set on top of the lifting shaping part.

[0044] The post-weld inspection station 17 includes a post-weld image inspection mechanism 170.

[0045] The sorting and unloading station 18 includes a good product conveyor rail 181, an NG conveyor belt 182, and an unloading and turnover mechanism 183 for turnover and displacement between the sorting and unloading station and the good product conveyor rail and between the sorting and unloading station and the NG conveyor belt.

[0046] The battery cover supply device 2 includes a battery cover conveyor line 20 for supplying battery covers and a battery cover turnover mechanism 5 for rotating battery covers between the battery cover conveyor line and the loading station.

[0047] The battery cover 200 is provided with an injection hole 210, and the battery cover turnover mechanism 5 is provided with a picking part for picking up the battery cover. The picking part is provided with several negative pressure adsorption ends 51 and a gas detection channel 52 opposite to the position of the injection hole.

[0048] Detailed implementation process and principle explanation: The battery cover conveyor line 20 supplies battery cover 200. When the battery cover is conveyed to the end, the battery cover turnover mechanism 5 picks up the battery cover and places it on the loading station. During the picking, several negative pressure adsorption ends 51 adsorb the battery cover with negative pressure, while the air detection channel 52 is aligned with the position of the liquid injection hole 210. There may be differences in the positive and negative orientation of the battery cover. When there is a difference in the positive and negative orientation, the air detection channel 52 can identify it and send a detection signal of correct or incorrect position to the back end.

[0049] When the battery cover 200 is transferred to the loading station 11 during the circulation of the automated circulating conveyor line 3, the battery cover is first moved to the loading station 11. At this time, the battery cover is limited and guided at both ends by the side guard 311. As the automated circulating conveyor line 3 runs, the battery cover is pushed and positioned by the feeding and positioning part 320 of the feeding and positioning mechanism 32, so that the battery cover is abutted and limited by the positioning protrusion 312 in the direction away from the conveyor line, thus meeting the high-precision positioning requirements after the battery cover is mounted.

[0050] After the battery is positioned, it passes through the subsequent workstations. At the barcode scanning station 12, the barcode scanning mechanism 120 identifies and detects the identification code on the battery cover. NG products are not used in subsequent workstations until they reach the sorting and unloading station for unloading. Good products undergo pre-assembly of the explosion-proof valve 100 at the explosion-proof valve assembly station 13. The explosion-proof valve supply device 131 supplies the explosion-proof valve, and the explosion-proof valve transfer and assembly mechanism 132 picks up the supplied explosion-proof valve and pre-assembles it onto the battery cover 200.

[0051] After the explosion-proof valve is pre-assembled, it undergoes spot welding and full welding operations in sequence through the explosion-proof valve spot welding mechanism 140 and the explosion-proof valve full welding mechanism 150.

[0052] After the explosion-proof valve is welded, it enters the post-weld shaping station 16. At this time, the post-weld shaping station achieves bidirectional shaping through the relative displacement of the lifting shaping part 41 and the top shaping part 42.

[0053] After the shaping is completed, the welding is inspected by the post-weld image inspection mechanism 170. After inspection, the unloading and turnover mechanism 183 sorts and unloads the materials at the sorting and unloading station 18, and unloads them onto the good product conveyor rail 181 and the NG conveyor belt 182 respectively.

[0054] In one specific embodiment, the battery cover turnover mechanism 5 includes a turnover frame 50 and a linear slide 53 disposed on the turnover frame. The linear slide is provided with at least two pickup parts that are arranged in parallel and spaced apart.

[0055] This means it meets the requirements for simultaneous pickup and online turnover inspection of at least two battery cover plates.

[0056] In one specific embodiment, the material feeding and positioning part 320 includes two inclined blocks 321 arranged at intervals, and a material feeding brush 322 is provided on any inclined block.

[0057] The material feeding brush 322 can perform feeding and positioning without damaging the product surface, meeting the requirements for continuous feeding and material passage.

[0058] In one specific embodiment, the explosion-proof valve supply device 131 includes an explosion-proof valve supply belt 1311, a flexible vibratory feeder 1312 disposed at the discharge end of the explosion-proof valve supply belt, an explosion-proof valve image detection mechanism 1313 disposed on the top of the flexible vibratory feeder, at least one explosion-proof valve conveying rail 6 having a plurality of explosion-proof valve seats, and an explosion-proof valve turnover robot arm 1314 for rotating the explosion-proof valve between the flexible vibratory feeder and the explosion-proof valve conveying rail.

[0059] The explosion-proof valve is supplied through the explosion-proof valve supply belt 1311. The explosion-proof valve falls on the flexible vibrating plate 1312 and is laid out at intervals. At this time, the position and forward and reverse directions are detected by the explosion-proof valve image detection mechanism 1313. The explosion-proof valve turnover robot arm 1314 picks up the explosion-proof valve and places it on the explosion-proof valve conveyor rail 6.

[0060] In one specific embodiment, the explosion-proof valve conveyor rail 6 is provided with a negative pressure suction and flipping mechanism 60 for receiving the explosion-proof valve picked up by the explosion-proof valve turnover robot arm and flipping it onto the explosion-proof valve carrier.

[0061] That is, the explosion-proof valve supply has a positive and negative side. The negative pressure suction and flipping mechanism 60 can realize the reverse explosion-proof valve receiving and then flipping to adjust the explosion-proof valve to output in the positive direction.

[0062] In one specific embodiment, the explosion-proof valve transfer assembly mechanism 132 includes an assembly turnover section 1321 for turnover between the explosion-proof valve supply device and the automated circulating conveyor line, and an explosion-proof valve position angle guidance mechanism 1322 located at the bottom of the running path of the assembly turnover section.

[0063] That is, the positional data of the explosion-proof valve can be collected on the assembly turnover section 1321 through the explosion-proof valve positional angle guidance mechanism 1322, and the positional data can be adjusted according to the back-end assembly requirements, thereby improving the pre-assembly accuracy.

[0064] In one specific embodiment, the explosion-proof valve transfer assembly mechanism 132 includes an explosion-proof valve unloading chamber and a battery cover unloading chamber disposed on the turnover path of the assembly turnover section, and the assembly turnover section 1321 has a negative pressure turnover picking section 13210 for picking up the explosion-proof valve or the battery cover.

[0065] In other words, if the battery cover is found to be facing the wrong direction or orientation, it can be unloaded at the explosion-proof valve pre-assembly station. The battery cover at this unloading station is only incorrectly oriented and is not an NG product, making recycling more convenient.

[0066] In one specific embodiment, the explosion-proof valve spot welding mechanism 140 includes a spot welding machine 141 and a spot welding locking mechanism 142. The spot welding locking mechanism includes a spot welding base located at the top of the automated circulating conveyor line and a spot welding lifting module with lifting displacement set at the bottom of the spot welding base. The spot welding base is provided with a spot welding chamber seat with a spot welding hollow part, and the spot welding hollow part is connected to a spot welding exhaust channel.

[0067] The explosion-proof valve full welding mechanism 150 includes a full welding machine 151 and a full welding locking mechanism 152. The full welding locking mechanism includes a full welding base located at the top of the automated circulating conveyor line and a full welding lifting module with lifting displacement set at the bottom of the full welding base. The full welding base is provided with a full welding chamber seat with a full welding hollow part, and the full welding hollow part is connected to a spot welding exhaust channel.

[0068] Because of the use of a spaced conveyor line, both spot welding and full welding can be carried out by using the lifting module in conjunction with the welding chamber. This arrangement eliminates the defect of traditional rotating pallets that cannot achieve bidirectional coordination, thus ensuring the welding quality of both spot welding and full welding operations.

[0069] In one specific embodiment, the battery cover plate is provided with two electrode slots spaced apart, and the two linked circulating material belts are respectively provided with a number of arc-shaped protrusions for cooperating with the electrode slots.

[0070] The diagram of the arc-shaped protrusion is omitted in the attached figure. The arc-shaped protrusion is a structure that corresponds to the electrode slot and can improve the mounting position accuracy and stability of the battery cover on the linked circulating material belt 31.

[0071] The above description demonstrates that the material conveyor system enables precise positioning, ensuring alignment accuracy while meeting the coordinated needs of the welding and shaping stations. This guarantees product welding and shaping quality, significantly improving the pass rate. It also meets the gas detection requirements for orientation and reverse direction during transfer, eliminating the need for additional stations and improving operational efficiency. Furthermore, the system accommodates the unloading of incorrectly oriented battery covers in the explosion-proof valve pre-assembly station, making recycling and screening more convenient and efficient, resulting in smoother and more stable overall operation.

[0072] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent in such process, method, article, or apparatus / device.

[0073] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. An automated feeding and welding production line for explosion-proof valves, characterized in that: This includes automated assembly and welding equipment and battery cover supply equipment; The automated assembly and welding device includes an automated circulating conveyor line, a feeding station, a barcode scanning station, an explosion-proof valve assembly station, an explosion-proof valve spot welding station, an explosion-proof valve full welding station, a post-weld shaping station, a post-weld inspection station, and a sorting and unloading station arranged sequentially along the feeding direction of the automated circulating conveyor line. The automated circulating conveyor line includes two parallel and spaced-apart linked circulating material belts and a material feeding and positioning mechanism disposed between the loading station and the scanning station. Each of the linked circulating material belts is provided with side guards and several evenly spaced positioning protrusions. The material feeding and positioning mechanism includes a material feeding and positioning part with an inclined angle. The material feeding and positioning part includes two inclined blocks disposed at intervals. Each of the inclined blocks is provided with a material feeding brush for feeding and positioning. The scanning station includes a scanning mechanism; The explosion-proof valve assembly station includes an explosion-proof valve supply device and an explosion-proof valve transfer assembly mechanism for picking up the explosion-proof valve from the explosion-proof valve supply device and assembling it on the battery cover plate. The explosion-proof valve spot welding station includes an explosion-proof valve spot welding mechanism; The explosion-proof valve full welding station includes an explosion-proof valve full welding mechanism; The post-weld shaping station includes a shaping mechanism, which includes a lifting shaping part having a lifting displacement that extends through the two linked circulating material belts and a top shaping part having a lifting displacement, located at the top of the lifting shaping part. The post-weld inspection station includes a post-weld image inspection mechanism; The sorting and unloading station includes a good product conveyor rail, an NG conveyor belt, and an unloading and turnover mechanism for turnover and displacement between the sorting and unloading station and the good product conveyor rail and between the sorting and unloading station and the NG conveyor belt; The battery cover supply device includes a battery cover conveyor line for supplying battery covers and a battery cover turnover mechanism for rotating battery covers between the battery cover conveyor line and the loading station. The battery cover is provided with an injection hole, and the battery cover turnover mechanism is provided with a picking part for picking up the battery cover. The picking part is provided with several negative pressure adsorption ends and a gas detection channel opposite to the position of the injection hole. The battery cover plate is provided with two electrode slots spaced apart from each other, and the two linked circulating material belts are respectively provided with a number of arc-shaped protrusions for matching the electrode slots.

2. The automated feeding and welding production line for explosion-proof valves according to claim 1, characterized in that: The battery cover turnover mechanism includes a turnover frame and a linear slide mounted on the turnover frame. The linear slide is provided with at least two pickup parts that are arranged in parallel and spaced apart.

3. The automated feeding and welding production line for explosion-proof valves according to claim 1, characterized in that: The explosion-proof valve supply device includes an explosion-proof valve supply belt, a flexible vibrating plate disposed at the discharge end of the explosion-proof valve supply belt, an explosion-proof valve image detection mechanism disposed on the top of the flexible vibrating plate, at least one explosion-proof valve conveying rail with several explosion-proof valve seats, and an explosion-proof valve turnover robot arm for rotating the explosion-proof valve between the flexible vibrating plate and the explosion-proof valve conveying rail.

4. The automated feeding and welding production line for explosion-proof valves according to claim 3, characterized in that: The explosion-proof valve conveyor rail is equipped with a negative pressure suction and flipping mechanism for receiving the explosion-proof valve picked up by the explosion-proof valve turnover robot arm and flipping it onto the explosion-proof valve carrier.

5. The automated feeding and welding production line for explosion-proof valves according to claim 1, characterized in that: The explosion-proof valve transfer assembly mechanism includes an assembly turnover section for rotating between the explosion-proof valve supply device and the automated circulating conveyor line, and an explosion-proof valve position and viewing angle guidance mechanism located at the bottom of the running path of the assembly turnover section.

6. The automated feeding and welding production line for explosion-proof valves according to claim 5, characterized in that: The explosion-proof valve transfer assembly mechanism includes an explosion-proof valve unloading chamber and a battery cover unloading chamber arranged on the turnover path of the assembly turnover section. The assembly turnover section has a negative pressure turnover picking section for picking up the explosion-proof valve or the battery cover.

7. The automated feeding and welding production line for explosion-proof valves according to claim 1, characterized in that: The explosion-proof valve spot welding mechanism includes a spot welding machine and a spot welding locking mechanism. The spot welding locking mechanism includes a spot welding base located at the top of the automated circulating conveyor line and a spot welding lifting module with lifting displacement set at the bottom of the spot welding base. The spot welding base is provided with a spot welding chamber seat with a spot welding hollow part, and the spot welding hollow part is connected to a spot welding exhaust channel.

8. The automated feeding and welding production line for explosion-proof valves according to claim 1, characterized in that: The explosion-proof valve full welding mechanism includes a full welding machine and a full welding locking mechanism. The full welding locking mechanism includes a full welding base located at the top of the automated circulating conveyor line and a full welding lifting module with lifting displacement set at the bottom of the full welding base. The full welding base is provided with a full welding chamber seat with a full welding hollow part, and the full welding hollow part is connected to a spot welding exhaust channel.

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