CN113714651B - Battery cover plate explosion-proof valve automatic welding equipment - Google Patents

Abstract

The invention discloses an automatic welding equipment for an explosion-proof valve of a battery cover plate, which comprises a circulating rotary conveying line and a battery cover plate feeding station, a laser coding station, a scanning code detection station, and an explosion-proof valve, which are sequentially arranged along the circulating and rotating conveying line. Material station, explosion-proof valve vibration correction station, explosion-proof valve flatness detection station, first NG unloading station, galvanometer spot welding station, galvanometer contour full welding station, welding inspection station, second NG unloading station Work station, finished product unloading station. The invention can realize the fully automatic welding production of the explosion-proof valve of the battery cover, meet the needs of abundant station construction, the station setting is reasonable, the overall operation is smooth and efficient, and the welding quality of the explosion-proof valve is stable and reliable. The vibration correction of the explosion-proof valve is matched with the two-stage welding to ensure reliable and stable welding quality. It has the function of online laser coding, and is equipped with the design of sharing NG position for scanning code detection and flatness detection, which effectively avoids the welding scrap of recyclable products and improves the utilization rate of resources.

Description

Battery cover explosion-proof valve automatic welding equipment

technical field

The invention relates to automatic welding equipment for an explosion-proof valve of a battery cover plate, and belongs to the technical field of automatic welding of explosion-proof valves.

Background technique

The power battery has a battery cover, which is also called a battery sealing plate. It is a thin-walled valve body and needs to be welded with an explosion-proof valve. When the internal pressure of the battery exceeds the specified value, the explosion-proof valve body will rupture to avoid battery bursting. Explosion-proof valves are generally welded by laser welding, which requires very high welding seams.

The Chinese invention patent with the authorization bulletin number CN107617820B discloses a power battery explosion-proof valve welding assembly and a welding method, which adopts the galvanometer welding assembly to realize the displacement on the gantry, so as to realize the alignment welding of the explosion-proof valve and meet the welding seam stability requirements, but The explosion-proof valve and the battery cover have a low degree of automation, and it is difficult to ensure the alignment accuracy of the battery cover and the explosion-proof valve, which affects the alignment accuracy and welding efficiency. In addition, it is difficult to cooperate with scanning, shaping and other stations. automation.

The Chinese invention patent with publication number CN112397760A discloses an integrated machine for assembling aluminum shell battery cover plates, which can realize automatic production such as explosion-proof welding, and adopts the method of indexing plate to realize station switching, so as to meet the requirements of cover plate feeding and explosion-proof valve feeding. , explosion-proof valve welding and inspection and unloading station requirements, the indexing plate station space is relatively limited, it is difficult to meet the loading requirements of each station, especially the poor station expansion, it is difficult to meet online scanning, online step-by-step welding and distribution testing requirements, thus limiting the welding quality of explosion-proof valves and the stable operation requirements of automated production lines.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above-mentioned deficiencies of the prior art. In view of the problem that the traditional battery cover plate explosion-proof valve automatic production line is limited in workstations and affects the welding quality and production efficiency of the explosion-proof valve, an automatic battery cover plate explosion-proof valve welding equipment is proposed.

In order to achieve the above object, the technical scheme adopted in the present invention is:

The automatic welding equipment for explosion-proof valve of battery cover plate includes a circulating and rotating conveyor line and a battery cover plate feeding station, laser coding station, scanning code detection station, and explosion-proof valve feeding station arranged in sequence along the circulating and rotating conveyor line. position, explosion-proof valve vibration correction station, explosion-proof valve flatness detection station, first NG unloading station, galvanometer spot welding station, galvanometer contour full welding station, welding inspection station, second NG unloading station , Finished product unloading station,

The recirculating conveyor line is provided with a number of recirculating tools for switching displacements between stations,

The battery cover plate feeding station includes a battery cover plate conveying circulation line and a battery cover plate operation and feeding mechanism for switching the displacement between the battery cover plate conveying circulation line and the corresponding circulating carrier,

The explosion-proof valve feeding station includes an explosion-proof valve conveying circulation line and an explosion-proof valve operation feeding mechanism for switching displacement between the explosion-proof valve conveying circulation line and the corresponding circulating carrier,

The vibration correction station of the explosion-proof valve includes a vibration die mechanism with a lifting displacement for cooperating with the corresponding rotating tool in relative position,

The first NG unloading station includes a first NG transfer mechanism,

The second NG unloading station includes a second NG conveying line and a second NG transfer mechanism for switching displacement between the second NG conveying line and the corresponding recirculating conveyance,

The finished product unloading station includes a finished product conveying line and a finished product transfer mechanism for switching the displacement between the finished product conveying line and the corresponding circulating carrier.

Preferably, the feed end of the finished product conveying line is provided with a finished product turning mechanism, the finished product turning mechanism includes a finished product turning carrier with pivot displacement, and the finished product turning carrier is provided with a negative pressure adsorption tank chamber for finished products .

Preferably, the discharge end of the finished product conveying line is provided with a finished product shaping mechanism and a shaping turnover mechanism for switching displacement between the finished product shaping mechanism and the finished product conveying line.

Preferably, the feeding end of the explosion-proof valve conveying circulation line is connected with an explosion-proof valve swinging device, and the explosion-proof valve conveying circulation line is provided with an explosion-proof valve displacement carrier,

The explosion-proof valve swing plate device includes a vibrating table for vibrating and flattening the explosion-proof valve, an explosion-proof valve position scanning mechanism arranged on the top of the vibrating table, and is used for picking up the explosion-proof valve on the vibrating table and placing it into the explosion-proof valve. The explosion-proof valve turnover mechanism on the valve displacement carrier,

The explosion-proof valve turnover mechanism includes at least one explosion-proof valve pick-up end, and the explosion-proof valve pick-up end is provided with a rotational adjustment displacement.

Preferably, the loading end of the explosion-proof valve conveying circulation line is provided with an explosion-proof valve pre-storage platform with at least two load chambers,

The side of the explosion-proof valve pre-storage platform is provided with an inversion adjustment mechanism for the inversion of the explosion-proof valve. The seat is provided with a relative displacement of inverting and blanking for vertical relative matching with the pre-storage platform of the explosion-proof valve.

Preferably, the vibrating table is connected with an explosion-proof valve feeding belt mechanism for automatic feeding of the explosion-proof valve.

Preferably, the circulating and rotating conveying line includes two rotating mechanisms arranged at intervals and a plurality of interlocking linear conveying mechanisms disposed between the two rotating mechanisms,

The linked linear conveying mechanism includes a support table and a conveying drive source. Two parallel line rails are arranged on the support table, and a bearing slider is arranged on any of the line rails. The conveying drive source is connected to the two The bearing slider is connected by transmission,

The rotary mechanism includes a rotary table, a rotary table driving source, and a conveying rotation driving source. The rotary table is provided with two parallel linear rails, and a bearing slider is provided on any of the linear rails. The driving source penetrates through the rotary table and is connected with the bearing sliding block in a driving manner,

Any of the carrying sliders is provided with the recirculating tool.

Preferably, a transmission rack is provided on the side wall of the carrying slider, and the conveying drive source and the conveying rotation drive source are respectively provided with a rotation driving end for driving and matching with the transmission rack.

Preferably, a rotation degree sensor is provided on the rotary drive end.

The beneficial effects of the present invention are mainly reflected in:

1. It can realize the fully automatic welding production of explosion-proof valve of battery cover, meet the needs of rich station construction, the station setting is reasonable and the overall operation is smooth and efficient, so as to ensure the stable and reliable welding quality of explosion-proof valve.

2. The vibration correction of the explosion-proof valve is matched with the two-stage welding to ensure reliable and stable welding quality.

3. It has the function of online laser coding, and is equipped with the design of sharing NG bit for scanning code detection and flatness detection, which effectively avoids the welding scrap of recyclable products and improves the utilization rate of resources.

4. It can realize safe automatic feeding of explosion-proof valves and unloading and shaping after welding. It is highly integrated, has high economic value, and is suitable for popularization and application.

Description of drawings

Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a schematic structural diagram of the automatic welding equipment for the explosion-proof valve of the battery cover plate according to the present invention.

2 is a schematic structural diagram of another perspective of the automatic welding equipment for the explosion-proof valve of the battery cover plate of the present invention.

FIG. 3 is a schematic structural diagram of a circulating transfer tool in the automatic welding equipment for the explosion-proof valve of the battery cover plate according to the present invention.

4 is a schematic structural diagram of the battery cover plate conveying circulation line in the battery cover plate explosion-proof valve automatic welding equipment of the present invention.

5 is a schematic structural diagram of the battery cover plate operation and feeding mechanism in the battery cover plate explosion-proof valve automatic welding equipment of the present invention.

6 is a schematic structural diagram of a laser coding machine in the automatic welding equipment for an explosion-proof valve of a battery cover plate according to the present invention.

FIG. 7 is a schematic structural diagram of a code scanning detector in the automatic welding equipment for an explosion-proof valve of a battery cover plate according to the present invention.

8 is a schematic structural diagram of the explosion-proof valve conveying circulation line in the battery cover plate explosion-proof valve automatic welding equipment of the present invention.

9 is a schematic structural diagram of the operation and feeding mechanism of the explosion-proof valve in the automatic welding equipment for the explosion-proof valve of the battery cover plate of the present invention.

10 is a schematic structural diagram of the vibration die mechanism in the automatic welding equipment for the explosion-proof valve of the battery cover plate of the present invention.

11 is a schematic structural diagram of a laser flatness scanner in the automatic welding equipment for the explosion-proof valve of the battery cover according to the present invention.

12 is a schematic structural diagram of the first NG transfer mechanism in the automatic welding equipment for the explosion-proof valve of the battery cover plate of the present invention.

13 is a schematic structural diagram of a galvanometer spot welding module in the automatic welding equipment for an explosion-proof valve of a battery cover plate according to the present invention.

14 is a schematic structural diagram of a galvanometer ring welding mold in the automatic welding equipment for an explosion-proof valve of a battery cover plate according to the present invention.

15 is a schematic structural diagram of the welding gas chamber in the automatic welding equipment for the explosion-proof valve of the battery cover plate of the present invention.

16 is a schematic structural diagram of the second NG conveying line in the automatic welding equipment for the explosion-proof valve of the battery cover plate of the present invention.

17 is a schematic structural diagram of the second NG transfer mechanism in the automatic welding equipment for the explosion-proof valve of the battery cover plate according to the present invention.

18 is a schematic structural diagram of the finished product conveying line in the automatic welding equipment for the explosion-proof valve of the battery cover plate according to the present invention.

19 is a schematic structural diagram of the finished product transfer mechanism in the automatic welding equipment for the explosion-proof valve of the battery cover plate of the present invention.

FIG. 20 is a schematic structural diagram of the finished product turning mechanism in the automatic welding equipment for the explosion-proof valve of the battery cover plate according to the present invention.

FIG. 21 is a schematic structural diagram of the explosion-proof valve swinging device in the automatic welding equipment for the explosion-proof valve of the battery cover plate according to the present invention.

22 is a schematic structural diagram of a circulating and rotating conveying line in the automatic welding equipment for the explosion-proof valve of the battery cover plate of the present invention.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the related invention, but not to limit the invention. In addition, it should be noted that, for the convenience of description, only the parts related to the related invention are shown in the drawings. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

The present invention provides automatic welding equipment for the explosion-proof valve of the battery cover, as shown in Figures 1 to 22, including a circulating and rotating conveyor line 1, a battery cover plate feeding station 2 and a laser coding station arranged in sequence along the circulating and rotating conveyor line. 3. Scan code detection station 4, explosion-proof valve feeding station 5, explosion-proof valve vibration correction station 6, explosion-proof valve flatness detection station 7, first NG unloading station 8, galvanometer spot welding station 9, The galvanometer profile is full of welding station 10 , welding detection station 11 , second NG unloading station 12 , and finished product unloading station 13 .

Among them, the circulating rotary conveying line 1 is provided with a number of circulating transfer tools 20 for switching the displacement between the stations.

The battery cover plate feeding station 2 includes a battery cover plate conveying circulation line 21 and a battery cover plate operation and feeding mechanism 22 for switching the displacement between the battery cover plate conveying circulation line and the corresponding circulating carrier.

The laser coding station 3 includes a laser coding machine 30 , and the scanning code detection station 4 includes a scanning code detection machine 40 .

The explosion-proof valve feeding station 5 includes an explosion-proof valve conveying circulation line 51 and an explosion-proof valve operation feeding mechanism 52 for switching the displacement between the explosion-proof valve conveying circulation line and the corresponding circulating carrier.

The explosion-proof valve vibration correction station 6 includes a vibration die mechanism 60 having a lifting displacement for cooperating with a corresponding circulating tool in relative position.

The explosion-proof valve flatness detection station 7 includes a laser flatness scanner 70 .

The first NG discharge station includes a first NG transfer mechanism 80 .

The galvanometer spot welding station 9 includes a galvanometer spot welding module 90 , the galvanometer contour full welding station 10 includes a galvanometer ring welding mold 101 and a welding gas chamber 102 , and the welding detection station 11 includes a welding detector 110 .

The second NG unloading station 12 includes a second NG conveying line 121 and a second NG transfer mechanism 122 for switching displacements between the second NG conveying line and the corresponding circulating carrier.

The finished product unloading station 13 includes a finished product conveying line 131 and a finished product transferring mechanism 132 for switching the displacement between the finished product conveying line 131 and the corresponding circulating conveying tool.

The specific implementation process and principle description:

A rotary automatic production line is formed by the circulating rotary conveying line 1, and the material is supported by the circulating transfer tool 20 and passes through each station in sequence along the circulating line to realize automatic welding production.

Specifically, firstly, the charging operation of the battery cover plate feeding station 2 is carried out, and the battery cover plate supplied by the battery cover plate conveying and circulating line 21 is picked up and placed into the circulating transfer tool of the current station through the battery cover plate operation and feeding mechanism 22 . 20 , a supporting portion 201 and a positioning pin 202 are provided on the circulating carrier 20 , and a hollowed-out avoidance slot corresponding to the hollowed-out post on the battery cover is provided in the supporting portion 201 . When the battery cover is mounted, it can meet the mounting position accuracy requirements.

Then enter the laser coding station 3 under the operation of the circulating conveyor line 1 to carry out laser coding on the battery cover by the laser coding machine 30, and enter the scanning code detection station 4 through the scanning code detection machine 40 after coding. Scan code detection.

After the scan code detection is completed, it enters the explosion-proof valve vibration correction station 6, and the vibration mold mechanism 60 is used to vibrate with the corresponding cycle carrier.

At the same time, before the welding operation is performed, the laser flatness scanner 70 is used to perform the plain scan detection of the current explosion-proof valve. If the detection fails, the first NG transfer mechanism 80 of the first NG unloading station is directly moved out of the production line. Of course, this The first NG transfer mechanism 80 is also used for NG discharge of unqualified products by scanning the code. When the scanning code is unqualified, the rear end does not perform explosion-proof valve feeding, vibration correction and flat sweeping.

When the flatness is qualified, it will pass through the spot welding station 9 of the galvanometer, the full welding station 10 of the galvanometer contour, and the welding detection station 11 in sequence. In this way, the welding quality can be improved. It should be noted that the welding gas chamber 102 is provided, which can realize a certain online gas effect and meet the needs of online monitoring. .

The unqualified ones are picked up and transferred by the second NG transfer mechanism 122 to the second NG conveying line 121 for unloading, and the qualified ones are picked up by the finished product transfer mechanism 132 and transferred to the finished product conveying line 131 for unloading.

In this way, the on-line assembly and welding of the battery cover plate and the explosion-proof valve is realized, which meets the needs of highly integrated automation. At the same time, the station design is rich and reasonable, which greatly improves the welding quality and production efficiency.

In a specific embodiment, as shown in FIG. 1 and FIG. 20 , the feed end of the finished product conveying line 131 is provided with a finished product turning mechanism 1310 . The seat is provided with a negative pressure adsorption tank chamber 1312 for finished products. The discharge end of the finished product conveying line 131 is provided with a finished product shaping mechanism 1313 and a shaping turnover mechanism 1314 for switching displacement between the finished product shaping mechanism and the finished product conveying line.

The specific implementation process and principle description:

During the welding process of the battery cover and the explosion-proof valve, there will be a certain deformation of the battery cover, so the rear end needs to be reshaped, and the shaping direction is opposite to the welding direction, so the finished product turning carrier 1311, the finished product shaping mechanism 1313 and the shaping turnover mechanism are used. The matching design of 1314 meets the needs of rear-end steering and post-shaping, improves product yield, does not require additional shaping operations on the production line, and improves automated production efficiency.

In a specific embodiment, as shown in FIG. 21 , an explosion-proof valve swing plate device 500 is connected to the feeding end of the explosion-proof valve conveying circulation line 51 , and an explosion-proof valve displacement carrier 510 is arranged on the explosion-proof valve conveying circulation line 51 .

The explosion-proof valve swing plate device 500 includes a vibrating table 501 for vibrating and laying the explosion-proof valve, a position scanning mechanism 502 for the explosion-proof valve arranged on the top of the vibrating table, and for picking up the explosion-proof valve on the vibrating table and placing it on the explosion-proof valve displacement carrier The explosion-proof valve turnover mechanism 503, the explosion-proof valve turnover mechanism includes at least one explosion-proof valve pick-up end, and the explosion-proof valve pick-up end has a rotational adjustment displacement.

Specifically, the explosion-proof valve is a fragile structure. Traditionally, automatic feeding is manual feeding or vibrating plate feeding. The accuracy of the feeding position is difficult to control and the feeding can easily cause damage to the explosion-proof valve.

In view of this situation, a structure in which the vibrating table 501, the scanning mechanism 502 and the explosion-proof valve turnover mechanism 503 are matched is adopted. For the position degree collection, the explosion-proof valve turnover mechanism 503 is used to realize centering pick-up and rotation direction adjustment, so as to meet the transfer position accuracy requirements of the pick-up explosion-proof valve, and at the same time, the explosion-proof valve will not be damaged.

In a specific embodiment, an explosion-proof valve pre-storage stage 511 with at least two carrier cavities is provided at the feeding end of the explosion-proof valve conveying circulation line, and a turning adjustment mechanism for turning the explosion-proof valve over is provided on the side of the explosion-proof valve pre-storage stage. 504 , the overturning adjustment mechanism includes a pivot rocker arm and an overturn carrier disposed at the free end of the pivot rocker arm, where the overturn carrier is provided with a relative displacement of overturn blanking for vertical relative matching with the explosion-proof valve pre-storage carrier. The vibrating table is connected with the explosion-proof valve feeding belt mechanism for automatic feeding of the explosion-proof valve.

The specific implementation process and principle description:

The explosion-proof valve is directly supplied to the vibrating table by the feeding belt mechanism of the explosion-proof valve, and the explosion-proof valve is spread out under the vibration of the vibrating table. At this time, the explosion-proof valve will have a difference between the forward and reverse directions. Design, that is, after the explosion-proof valve turnover mechanism 503 picks up the explosion-proof valve on the vibrating table, it is directly mounted on the explosion-proof valve displacement carrier 510 or the explosion-proof valve pre-storage stage 511 in the forward direction. When picking up the reverse explosion-proof valve, the explosion-proof valve is prevented from On the flip adjustment mechanism 504, the pivot of the flip adjustment mechanism 504 is flipped 180°, so that the explosion-proof valve on the flip adjustment mechanism 504 is flipped and adjusted and dropped on the explosion-proof valve pre-storage stage 511, and then picked up by the explosion-proof valve turnover mechanism 503 for position switching, so that To meet the continuous adjustment of supply needs.

In a specific embodiment, as shown in FIG. 22 , the circulating and rotating conveying line 1 includes two rotating mechanisms 110 arranged at intervals and a plurality of interlocking linear conveying mechanisms 120 arranged between the two rotating mechanisms.

The linked linear conveying mechanism 120 includes a support table 121 and a conveying drive source 122. Two parallel line rails are arranged on the support table, and a carrying slider 100 is arranged on any line rail. The conveying drive source is driven by the two carrying sliders. connect.

The rotary mechanism 110 includes a rotary table 111, a rotary table driving source 112, and a conveying rotary driving source 113. The rotary table is provided with two parallel linear rails, and a bearing slider 100 is provided on any linear rail, and the transporting rotary driving source runs through the rotation The platform is connected with the bearing sliding block in a driving manner, and a circulating carrier is arranged on any bearing sliding block 20 .

Specifically, the carrying slider 100 is driven by the conveying drive source of the linked linear conveying mechanism 120 to perform station switching, and successively performs one-to-one switching of subsequent stations. When running to the slewing mechanism 110, the carrying slider 100 is transported by the linked linear conveying mechanism. The conveying drive source of the mechanism is conveyed to one side of the line rail of the turntable, and then the turntable is driven by the drive source of the turntable to rotate the current carrying slider 100. In the interlocking linear conveying mechanism, it should be noted that during the rotation of the rotating table, the conveying rotation drive source rotates synchronously with the rotating table to satisfy the relative position of the bearing slider 100 and the rotating table.

A transmission rack is arranged on the side wall of the bearing slider, and the conveying drive source and the conveying rotation drive source are respectively provided with a rotation driving end for driving and matching with the transmission rack. A detailed description of the rotary circulating conveying line is provided. The side wall of the bearing slider 100 is provided with a transmission rack, and the conveying drive source and the conveying rotation drive source are respectively provided with rotating drive ends for driving and matching with the transmission rack. That is, the meshing of the rotary drive end and the transmission rack is used to realize the transmission requirement of converting the rotary drive into a linear drive, and to realize the bidirectional synchronous drive function, and the rotary drive end is provided with a rotation degree sensor. It can realize the relative position drive monitoring and meet the accuracy requirements of each station.

From the above description, it can be found that the automatic welding equipment for the explosion-proof valve of the battery cover plate of the present invention can realize the automatic welding production of the explosion-proof valve of the battery cover plate, meet the requirements for the construction of various stations, the station setting is reasonable, and the overall operation is smooth and efficient, ensuring the explosion-proof valve. The welding quality is stable and reliable. The vibration correction of the explosion-proof valve is matched with the two-stage welding to ensure reliable and stable welding quality. It has the function of online laser coding, and is equipped with the design of sharing NG position for scanning code detection and flatness detection, which effectively avoids the welding scrap of recyclable products and improves the utilization rate of resources. It can realize safe automatic feeding of explosion-proof valves and unloading and shaping after welding. It is highly integrated, has high economic value, and is suitable for popularization and application.

The terms "first," "second," etc. are used to distinguish between similar objects, and are not used to describe or indicate a particular order or sequence.

The term "comprising" or any other similar term is intended to encompass a non-exclusive inclusion such that a process, method, article or device/means comprising a list of elements includes not only those elements but also other elements not expressly listed, or Also included are elements inherent to these processes, methods, articles or devices/devices.

So far, the technical solutions of the present invention have been described with reference to the preferred embodiments shown in the accompanying drawings, however, those skilled in the art can easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle 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 these changes or substitutions will fall within the protection scope of the present invention.

Claims (8)

1. Battery cover plate explosion-proof valve automatic welding equipment is characterized in that: It includes a circulating rotary conveying line and a battery cover feeding station, a laser coding station, a code scanning detection station, an explosion-proof valve feeding station, an explosion-proof valve vibration correction station, Explosion-proof valve flatness detection station, first NG unloading station, galvanometer spot welding station, galvanometer contour full welding station, welding inspection station, second NG unloading station, finished product unloading station, The recirculating conveyor line is provided with a number of recirculating tools for switching displacements between stations, The battery cover plate feeding station includes a battery cover plate conveying circulation line and a battery cover plate operation and feeding mechanism for switching the displacement between the battery cover plate conveying circulation line and the corresponding circulating carrier, The explosion-proof valve feeding station includes an explosion-proof valve conveying circulation line and an explosion-proof valve operation feeding mechanism for switching displacement between the explosion-proof valve conveying circulation line and the corresponding circulating carrier, The vibration correction station of the explosion-proof valve includes a vibration die mechanism with a lifting displacement for cooperating with the corresponding rotating tool in relative position, The first NG unloading station includes a first NG transfer mechanism, The second NG unloading station includes a second NG conveying line and a second NG transfer mechanism for switching displacement between the second NG conveying line and the corresponding recirculating conveyance, The finished product unloading station includes a finished product conveying line and a finished product transfer mechanism for switching the displacement between the finished product conveying line and the corresponding circulating carrier; The circulating rotary conveying line includes two slewing mechanisms arranged at intervals and several interlocking linear conveying mechanisms arranged between the two slewing mechanisms, The linked linear conveying mechanism includes a support table and a conveying drive source. Two parallel line rails are arranged on the support table, and a bearing slider is arranged on any of the line rails. The conveying drive source is connected to the two The bearing slider is connected by transmission, The rotary mechanism includes a rotary table, a rotary table driving source, and a conveying rotation driving source. The rotary table is provided with two parallel linear rails, and a bearing slider is provided on any of the linear rails. The circulating carrier is arranged on the block, and the conveying rotation driving source is connected with the bearing slider through the rotating table, A transmission rack is arranged on the side wall of the carrying slider, and the conveying drive source and the conveying rotation drive source are respectively provided with a rotation driving end for driving and matching with the transmission rack; The carrying slider is driven by the conveying drive source of the linked linear conveying mechanism to switch between stations, and sequentially performs one-to-one switching of subsequent stations. When running to the rotating mechanism, the carrying slider is driven by the The conveying drive source of the interlocking linear conveying mechanism is conveyed to one side rail of the rotary table, and then the rotary table is driven by the rotary table drive source to rotate the current carrying slider. The conveying rotary drive source is conveyed into the opposite interlocking linear conveying mechanism after rotation. 2. battery cover plate explosion-proof valve automatic welding equipment according to claim 1, is characterized in that: The feed end of the finished product conveying line is provided with a finished product turning mechanism, and the finished product turning mechanism includes a finished product turning carrier with pivot displacement, and the finished product turning carrier is provided with a negative pressure adsorption tank chamber for the finished product. 3. battery cover plate explosion-proof valve automatic welding equipment according to claim 2, is characterized in that: The discharge end of the finished product conveying line is provided with a finished product shaping mechanism and a shaping turnover mechanism for switching displacement between the finished product shaping mechanism and the finished product conveying line. 4. battery cover plate explosion-proof valve automatic welding equipment according to claim 1, is characterized in that: The feeding end of the explosion-proof valve conveying circulation line is connected with an explosion-proof valve swing plate device, and the explosion-proof valve conveying circulation line is provided with an explosion-proof valve displacement carrier, The explosion-proof valve swing plate device includes a vibrating table for vibrating and flattening the explosion-proof valve, an explosion-proof valve position scanning mechanism arranged on the top of the vibrating table, and is used for picking up the explosion-proof valve on the vibrating table and placing it into the explosion-proof valve. The explosion-proof valve turnover mechanism on the valve displacement carrier, The explosion-proof valve turnover mechanism includes at least one explosion-proof valve pick-up end, and the explosion-proof valve pick-up end is provided with a rotational adjustment displacement. 5. The battery cover plate explosion-proof valve automatic welding equipment according to claim 4, is characterized in that: The loading end of the explosion-proof valve conveying circulation line is provided with an explosion-proof valve pre-storage platform with at least two load cavities, The side of the explosion-proof valve pre-storage platform is provided with an inversion adjustment mechanism for the inversion of the explosion-proof valve. The seat is provided with a relative displacement of inverting and blanking for vertical relative matching with the pre-storage platform of the explosion-proof valve. 6. The battery cover plate explosion-proof valve automatic welding equipment according to claim 4, is characterized in that: The vibrating table is connected with an explosion-proof valve feeding belt mechanism used for automatic feeding of the explosion-proof valve. 7. The battery cover plate explosion-proof valve automatic welding equipment according to claim 1, is characterized in that: Any of the carrying sliders is provided with the recirculating tool. 8. The battery cover plate explosion-proof valve automatic welding equipment according to claim 1, is characterized in that: The rotational drive end is provided with a rotational degree sensor.

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