Electric pile production system and electric pile assembly method

Abstract

The invention discloses a galvanic pile production system and a galvanic pile assembly method, and relates to the technical field of energy, the galvanic pile production system comprises a slurry preparation device, a carbon paper cutting device, a spraying device, a transfer assembly and a galvanic pile assembly device; the galvanic pile assembling equipment comprises a platform, an assembling component and a clamping piece, the platform is provided with a mounting plate; the assembling assembly comprises a first robot, a second robot and a third robot, the first robot is used for grabbing the lower cover and the upper cover, the second robot is used for grabbing the first sealing gasket, the second sealing gasket, the first electrode plate, the second electrode plate and the exchange membrane, and the third robot is used for installing screws; the clamping piece is movably arranged on the platform and is used for clamping the upper cover; wherein the lower cover, the first sealing gasket, the first electrode plate, the exchange membrane, the second electrode plate, the second sealing gasket and the upper cover are sequentially stacked to form an electric pile unit; according to the technical scheme provided by the invention, the production efficiency of the electric pile can be improved.

Description

Technical Field

[0001] The present invention relates to the field of energy technology, and in particular to a fuel cell production system and a fuel cell assembly method. Background Art

[0002] Through electrocatalytic CO2 reduction technology, CO2 can be converted into useful chemicals or fuels, which not only helps to reduce the concentration of CO2 in the atmosphere, but also realizes the recycling of resources. As a key technology for electrolysis of water to produce hydrogen and electrocatalytic CO2 reduction, the performance of the fuel cell reaction system directly affects the efficiency and stability of the entire system. In related technologies, the preparation process of electrode plates in fuel cells is highly automated, but most of the assembly processes of fuel cells, such as stacking of components and tightening of screws, are done manually, which has low production efficiency and is prone to errors. Summary of the invention

[0003] The main purpose of the present invention is to provide a fuel cell production system and a fuel cell assembly method, aiming to improve the production efficiency of the fuel cell.

[0004] To achieve the above-mentioned purpose, the present invention provides a fuel cell production system, comprising:

[0005] A slurry preparation device, wherein the slurry preparation device is used to prepare slurry;

[0006] A carbon paper cutting device, wherein the carbon paper cutting device is used to cut the carbon paper to form the carbon paper to be sprayed;

[0007] A spraying device, wherein the spraying device is used to spray the slurry onto the carbon paper to be sprayed to form an electrode plate;

[0008] A transport assembly, the transport assembly comprising a first robotic arm and a second robotic arm, the first robotic arm being used to transport the slurry to the spraying equipment, and the second robotic arm being used to transport the carbon paper to be sprayed to the spraying equipment; and

[0009] A stack assembly device, the stack assembly device comprising a platform, an assembly component and a clamp; the platform is provided with a mounting plate; the assembly component comprises a first robot, a second robot and a third robot, the first robot, the second robot and the third robot are arranged on the peripheral side of the platform, the first robot is used to grab a lower cover and an upper cover, the second robot is used to grab a first sealing gasket, a second sealing gasket, a first electrode plate, a second electrode plate and an exchange membrane, and the third robot is used to install screws; the clamp is movably arranged on the platform, and the clamp is used to clamp the upper cover;

[0010] Among them, the lower cover, the first sealing gasket, the first electrode plate, the exchange membrane, the second electrode plate, the second sealing gasket and the upper cover are stacked in sequence to form a battery stack unit.

[0011] In one embodiment, the battery stack assembly equipment further includes a first driving component, the first driving component is disposed on the platform, the clamping member is disposed on the first driving component, and the first driving component is used to drive the clamping member to reciprocate along the Z-axis direction.

[0012] In one embodiment, the battery stack assembly equipment further includes a second driving component, the second driving component is disposed on the platform, the mounting plate is disposed on the second driving component, and the second driving component is used to drive the mounting plate to reciprocate along the Y-axis direction.

[0013] In one embodiment, the battery stack assembly equipment further includes a third driving assembly, wherein the third driving assembly is disposed on the second driving assembly, and the mounting plate is disposed on the third driving assembly, and the third driving assembly is used to drive the mounting plate to reciprocate along the X-axis direction.

[0014] In one embodiment, the first robot includes a first movable seat and a first manipulator, the first manipulator includes a mounting seat and two clamping plates, the mounting seat is arranged on the first movable seat, and the two clamping plates are movably arranged at one end of the mounting seat.

[0015] In one embodiment, a plurality of grooves arranged at intervals are formed on a surface of each of the clamping plates facing the other clamping plate.

[0016] In one embodiment, the second robot includes a second movable seat and a second manipulator, the second manipulator includes a connecting plate and a vacuum suction cup, the connecting plate is arranged on the second movable seat, and the vacuum suction cup is arranged on the connecting plate.

[0017] In one embodiment, the second robot comprises a plurality of the vacuum suction cups, and the plurality of the vacuum suction cups are arranged on the connecting plate in a rectangular array.

[0018] In one embodiment, the battery stack production system further includes a battery stack testing device;

[0019] The transport assembly also includes a third robotic arm, which is used to transport the fuel cell stack unit to the fuel cell stack testing equipment.

[0020] The present invention also provides a battery stack assembly method, which is applied to the battery stack production system as described above, and the battery stack assembly method comprises:

[0021] Controlling the first robot to transport the lower cover to the mounting plate;

[0022] Controlling the second robot to assemble the first sealing gasket onto the lower cover, and controlling the first robot to transport the upper cover to the clamping member;

[0023] controlling the second robot to install the first electrode plate onto the first sealing gasket;

[0024] controlling the second robot to install the exchange membrane onto the first electrode plate;

[0025] controlling the second robot to install the second electrode plate onto the exchange membrane;

[0026] controlling the second robot to install the second sealing gasket onto the second electrode plate;

[0027] Controlling the clamping member to install the upper cover onto the second sealing gasket;

[0028] The third robot is controlled to install the screw.

[0029] In the technical solution of the present invention, the preparation of the electrode plate can be completed by slurry preparation equipment, carbon paper cutting equipment, spraying equipment and transfer components. Then, the first robot, the second robot and the third robot of the battery stack assembly equipment can realize the automated assembly of the battery stack unit, thereby improving production efficiency. In addition, the clamping piece is movably arranged, and after the first robot grabs the lower cover to the mounting plate, the upper cover can be grabbed to the clamping piece during the process of the second robot grabbing and assembling other components. In this way, after the lower cover, the first sealing gasket, the first electrode plate, the exchange membrane, the second electrode plate and the second sealing gasket are stacked, the clamping piece can directly complete the assembly of the upper cover, and then the third robot can install the screws earlier, thereby further improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0031] Figure 1 A schematic diagram of the structure of the battery stack production system provided by the present invention;

[0032] Figure 2 A schematic structural diagram of an embodiment of a battery stack assembly device provided by the present invention;

[0033] Figure 3 A schematic diagram of the structure of an embodiment of a platform provided by the present invention;

[0034] Figure 4 A schematic structural diagram of an embodiment of a first manipulator provided by the present invention;

[0035] Figure 5A schematic structural diagram of an embodiment of a second manipulator provided by the present invention;

[0036] Figure 6 A schematic structural diagram of an embodiment of a third manipulator provided by the present invention;

[0037] Figure 7 It is a schematic diagram of the structural decomposition of an embodiment of a battery stack unit;

[0038] Figure 8 This is a flow chart of an embodiment of a battery stack assembly method provided by the present invention.

[0039] Description of Figure Numbers:

[0040] 1000. Battery stack assembly equipment; 1. Platform; 11. Mounting plate; 2. First robot; 21. First manipulator; 211. Mounting seat; 212. Clamp; 3. Second robot; 31. Second manipulator; 311. Connecting plate; 312. Vacuum suction cup; 313. Visual locator; 4. Third robot; 41. Torque wrench; 411. Display screen; 5. Clamp; 6. First drive assembly; 7. Second drive assembly; 8. Third drive assembly;

[0041] 100, battery stack unit; 110, lower cover; 120, first sealing gasket; 130, first electrode plate; 140, exchange membrane; 150, second electrode plate; 160, second sealing gasket; 170, upper cover.

[0042] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0045] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0046] The present invention proposes a method in which, in one embodiment of the present invention, the battery stack production system includes a slurry preparation device, a carbon paper cutting device, a spraying device, a transfer component and a battery stack assembly device 1000; the slurry preparation device is used to prepare slurry; the carbon paper cutting device is used to cut carbon paper to form carbon paper to be sprayed; the spraying device is used to spray the slurry onto the carbon paper to be sprayed to form an electrode plate; the transfer component includes a first robot arm and a second robot arm, the first robot arm is used to transport the slurry to the spraying device, and the second robot arm is used to transport the carbon paper to be sprayed to the spraying device; the battery stack assembly device 1000 includes a platform 1, an assembly component and a clamp 5; the platform 1 is provided with a mounting plate 11; the assembly component includes a first robot 2, a second robot arm The first robot 2, the second robot 3 and the third robot 4 are arranged on the peripheral side of the platform 1, the first robot 2 is used to grab the lower cover 110 and the upper cover 170, the second robot 3 is used to grab the first sealing gasket 120, the second sealing gasket 160, the first electrode plate 130, the second electrode plate 150 and the exchange membrane 140, and the third robot 4 is used to install screws; the clamping member 5 is movably arranged on the platform 1, and the clamping member 5 is used to clamp the upper cover 170; wherein the lower cover 110, the first sealing gasket 120, the first electrode plate 130, the exchange membrane 140, the second electrode plate 150, the second sealing gasket 160 and the upper cover 170 are stacked in sequence to form a battery stack unit 100.

[0047] It should be noted that the slurry is formed by mixing components such as active substances (such as catalysts), conductive agents (such as carbon black or graphene), binders (such as polymers), and solvents; the carbon paper cutting equipment can pre-set parameters such as carbon paper size, quantity, shape, and then automatically cut. The slurry preparation equipment, carbon paper cutting equipment, and spraying equipment can all be obtained from the existing technology.

[0048] The first electrode plate 130 and the second electrode plate 150 are both electrode plates of the same specification formed by spraying with a spraying device, and are distinguished as “first” and “second” in order to reflect the layers of the stack unit 100 .

[0049] The lower cover 110 , the first sealing gasket 120 , the exchange membrane 140 , the second sealing gasket 160 , the upper cover 170 and the bolts can be set at a fixed feeding position to facilitate the first robot 2 , the second robot 3 and the third robot 4 to grasp.

[0050] The screws can tightly fix the components of the battery stack unit 100 together to ensure the sealing and structural integrity of the battery stack unit 100.

[0051] In the technical solution of the present invention, the preparation of the electrode plate can be completed by slurry preparation equipment, carbon paper cutting equipment, spraying equipment and transfer components. Then, the first robot 2, the second robot 3 and the third robot 4 of the battery stack assembly equipment 1000 can realize the automatic assembly of the battery stack unit 100, thereby improving production efficiency. In addition, the clamp 5 is movably arranged. After the first robot 2 grabs the lower cover 110 to the mounting plate 11, the upper cover 170 can be grabbed to the clamp 5 during the process of the second robot 3 grabbing and assembling other components. In this way, after the lower cover 110, the first sealing gasket 120, the first electrode plate 130, the exchange membrane 140, the second electrode plate 150, and the second sealing gasket 160 are stacked, the clamp 5 can directly complete the assembly of the upper cover 170, and then the third robot 4 can install the screws earlier, thereby further improving production efficiency.

[0052] Further, in one embodiment of the present invention, please refer to Figure 3 , the battery stack assembly equipment 1000 also includes a first drive assembly 6, which is arranged on the platform 1, and the clamping member 5 is arranged on the first drive assembly 6, and the first drive assembly 6 is used to drive the clamping member 5 to reciprocate along the Z-axis direction. The first drive assembly 6 enables the clamping member 5 to perform precise reciprocating motion along the Z-axis direction, which helps to control the position of the clamping member 5 in the vertical direction and ensure the precise docking of the upper cover 170 with other components. In addition, during the assembly process, the clamping member 5 can be in a higher position to avoid interference with the second robot 3. At the same time, when the upper cover 170 is assembled, the clamping member 5 can apply a top-down pre-tightening force to the battery stack unit 100 under the drive of the first drive assembly 6, which is also convenient for the subsequent third robot 4 to install and tighten the screws. The first drive assembly 6 drives the clamping member 5 to move through the motor and the screw slider mechanism, so as to provide precise linear motion control, so that the movement of the clamping member 5 in the Z-axis direction can be very precise, thereby ensuring the accuracy of the assembly of the battery stack unit 100. In addition, the clamping member 5 may also be driven to move by a cylinder or by a motor driving a gear rack.

[0053] In order to increase flexibility, in one embodiment of the present invention, please refer to Figure 3 The battery stack assembly equipment 1000 also includes a second drive assembly 7, which is arranged on the platform 1, and the mounting plate 11 is arranged on the second drive assembly 7. The second drive assembly 7 is used to drive the mounting plate 11 to reciprocate along the Y-axis direction. The setting of the second drive assembly 7 can flexibly adjust the position of the mounting plate 11, so that the mounting plate 11 may not be directly below the clamping member 5 before the clamping member 5 is assembled with the upper cover 170, but is staggered with the clamping member 5 in the Z-axis direction, forming a spatial dislocation, which also facilitates the first robot 2 to grab the upper cover 170 to the clamping member 5 during the operation of the second robot 3. The second drive assembly 7 drives the mounting plate 11 to move through a motor and a screw slider mechanism, thereby providing precise linear motion control. In addition, it can also be driven by a cylinder, or the mounting plate 11 can be driven to move by a motor driving a gear rack.

[0054] Further, in one embodiment of the present invention, please refer to Figure 3 The battery stack assembly equipment 1000 also includes a third drive assembly 8, which is arranged on the second drive assembly 7, and the mounting plate 11 is arranged on the third drive assembly 8. The third drive assembly 8 is used to drive the mounting plate 11 to reciprocate along the X-axis direction. In this way, the mounting plate 11 can move in the X-axis and Y-axis directions, and the clamping member 5 can move in the Z-axis direction. The movement in three directions is coordinated to improve the assembly flexibility of the equipment. The third drive assembly 8 drives the mounting plate 11 to move through a motor and a screw slider mechanism, thereby providing precise linear motion control. In addition, it can also be driven by a cylinder, or the mounting plate 11 can be driven by a motor driving a gear rack.

[0055] To facilitate positioning, in one embodiment of the present invention, a positioning groove is provided on the mounting plate 11, and the positioning groove can limit the lower cover 110, thereby ensuring the consistency of the positions of various components, which helps to improve the final product quality.

[0056] Specifically, in one embodiment of the present invention, please refer to Figure 2 and Figure 4 The first robot 2 includes a first movable seat and a first manipulator 21. The first manipulator 21 includes a mounting seat 211 and two clamps 212. The mounting seat 211 is arranged on the first movable seat, and the two clamps 212 are movably arranged at one end of the mounting seat 211. The first movable seat allows the first manipulator 21 to move in multiple directions in space, ensuring the flexibility of operation, so as to adapt to different assembly tasks and working environments. The two clamps 212 are movably installed, and can accurately control the grasping and releasing.

[0057] Further, in one embodiment of the present invention, please refer to Figure 4 , a plurality of grooves are formed at intervals on one side of each clamping plate 212 facing the other clamping plate 212. The arrangement of the grooves can increase the friction between the clamping plate 212 and the clamped object (such as the lower cover 110 and the upper cover 170), improve the clamping stability, and prevent slipping during the handling process. In addition, the groove design can reduce the direct contact area of ​​the clamping plate 212 with the surface of the clamped object, thereby reducing the risk of damaging the surface of the object.

[0058] Specifically, in one embodiment of the present invention, please refer to Figure 2 and Figure 5 The second robot 3 includes a second movable seat and a second manipulator 31. The second manipulator 31 includes a connecting plate 311 and a vacuum suction cup 312. The connecting plate 311 is arranged on the second movable seat, and the vacuum suction cup 312 is arranged on the connecting plate 311. The second movable seat allows the second manipulator 31 to move in multiple directions in space, ensuring the flexibility of operation, so as to adapt to different assembly tasks and working environments. The vacuum suction cup 312 can accurately absorb and release various components, thereby ensuring the precise assembly of the battery stack unit 100, and the vacuum suction cup 312 can quickly absorb and release components, improving the assembly efficiency of the battery stack unit 100.

[0059] Furthermore, the second manipulator 31 includes a plurality of vacuum suction cups 312, which are arranged in a rectangular array on the connecting plate 311. The plurality of vacuum suction cups 312 can adsorb at the same time, thereby improving the adsorption capacity of the second manipulator 31. The rectangular array arrangement makes the adsorbed object receive force more evenly, thus avoiding damage caused by excessive local force. Figure 5 , the number of vacuum suction cups 312 is four. In addition, the vacuum suction cups 312 are movably arranged on the connecting plate 311, so that the distance between each vacuum suction cup 312 can be adjusted to adapt to the adsorbed objects of different sizes. In addition, the second manipulator 31 also includes a visual locator 313, which is arranged at the center of multiple vacuum suction cups 312. The visual locator 313 can identify the position of the electrode plate, so as to accurately clamp the first electrode plate 130 and the second electrode plate 150.

[0060] Specifically, in one embodiment of the present invention, please refer to Figure 2 and Figure 6 The third robot includes a third movable seat and a torque wrench 41, and the torque wrench 41 is arranged on the third movable seat. The torque wrench 41 can accurately control the torque when tightening the screw, and can prevent component damage or poor assembly caused by excessive or insufficient torque, thereby improving assembly quality.

[0061] Further, in one embodiment of the present invention, please refer to Figure 6The torque wrench 41 is provided with a display screen 411. The display screen 411 can display the current torque value in real time, so that the operator can monitor the accuracy of the tightening operation in real time, and also increase the transparency of the operation.

[0062] In order to ensure production quality, in one embodiment of the present invention, please refer to Figure 1 The stack production system also includes a stack testing device; the transfer assembly also includes a third robot arm, which is used to transport the stack unit 100 to the stack testing device. The third robot arm can transport the stack unit 100 assembled by the stack assembly device 1000 to the stack testing device, and the stack testing device can detect the performance of the stack unit 100 through testing instruments such as a gas chromatograph and a liquid chromatograph.

[0063] See also Figure 8 The present invention further proposes a battery stack assembly method, which is applied to the above-mentioned battery stack production system. In one embodiment of the present invention, the battery stack assembly method includes the following steps:

[0064] S1: Control the first robot 2 to transport the lower cover 110 to the mounting plate 11;

[0065] S2: controlling the second robot 3 to assemble the first sealing gasket 120 onto the lower cover 110 , and controlling the first robot 2 to transport the upper cover 170 to the clamping member 5 ;

[0066] S3: controlling the second robot 3 to install the first electrode plate 130 onto the first sealing gasket 120;

[0067] S4: controlling the second robot 3 to install the exchange membrane 140 onto the first electrode plate 130;

[0068] S5: controlling the second robot 3 to install the second electrode plate 150 onto the exchange membrane 140;

[0069] S6: controlling the second robot 3 to install the second sealing pad 160 onto the second electrode plate 150;

[0070] S7: Control the clamping member 5 to install the upper cover 170 onto the second sealing gasket 160;

[0071] S8: Control the third robot 4 to install screws.

[0072] In this embodiment, the first robot 2, the second robot 3 and the third robot 4 are each responsible for different assembly tasks, which can realize the automated assembly of the battery stack unit 100 and improve production efficiency. In addition, the clamping member 5 is movably arranged. After the first robot 2 grabs the lower cover 110 to the mounting plate 11, the upper cover 170 can be grabbed to the clamping member 5 during the process of the second robot 3 grabbing the first sealing gasket 120. In this way, after the lower cover 110, the first sealing gasket 120, the first electrode plate 130, the exchange membrane 140, the second electrode plate 150, and the second sealing gasket 160 are stacked, the clamping member 5 can directly complete the assembly of the upper cover 170, and then the third robot 4 can install the screws earlier, further improving production efficiency.

[0073] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A fuel cell production system, characterized in that: include: A slurry preparation device, wherein the slurry preparation device is used to prepare slurry; A carbon paper cutting device, wherein the carbon paper cutting device is used to cut the carbon paper to form the carbon paper to be sprayed; A spraying device, wherein the spraying device is used to spray the slurry onto the carbon paper to be sprayed to form an electrode plate; A transport assembly, the transport assembly comprising a first robotic arm and a second robotic arm, the first robotic arm being used to transport the slurry to the spraying equipment, and the second robotic arm being used to transport the carbon paper to be sprayed to the spraying equipment; as well as A stack assembly device, the stack assembly device comprising a platform, an assembly component and a clamp; the platform is provided with a mounting plate; the assembly component comprises a first robot, a second robot and a third robot, the first robot, the second robot and the third robot are arranged on the peripheral side of the platform, the first robot is used to grab a lower cover and an upper cover, the second robot is used to grab a first sealing gasket, a second sealing gasket, a first electrode plate, a second electrode plate and an exchange membrane, and the third robot is used to install screws; the clamp is movably arranged on the platform, and the clamp is used to clamp the upper cover; Among them, the lower cover, the first sealing gasket, the first electrode plate, the exchange membrane, the second electrode plate, the second sealing gasket and the upper cover are stacked in sequence to form a battery stack unit.

2. The fuel cell production system according to claim 1, characterized in that: The battery stack assembly equipment also includes a first driving component, which is disposed on the platform, and the clamping member is disposed on the first driving component, and the first driving component is used to drive the clamping member to reciprocate along the Z-axis direction.

3. The fuel cell production system according to claim 1, characterized in that: The battery stack assembly equipment also includes a second driving component, which is arranged on the platform, and the mounting plate is arranged on the second driving component, and the second driving component is used to drive the mounting plate to reciprocate along the Y-axis direction.

4. The fuel cell production system according to claim 3, characterized in that: The battery stack assembly equipment also includes a third driving component, which is arranged on the second driving component, and the mounting plate is arranged on the third driving component, and the third driving component is used to drive the mounting plate to reciprocate along the X-axis direction.

5. The fuel cell stack production system according to any one of claims 1 to 4, characterized in that: The first robot comprises a first movable seat and a first manipulator, the first manipulator comprises a mounting seat and two clamping plates, the mounting seat is arranged on the first movable seat, and the two clamping plates are movably arranged at one end of the mounting seat.

6. The fuel cell production system according to claim 5, characterized in that: A plurality of grooves arranged at intervals are formed on one side of each clamping plate facing the other clamping plate.

7. The fuel cell stack production system according to any one of claims 1 to 4, characterized in that: The second robot includes a second movable seat and a second manipulator, and the second manipulator includes a connecting plate and a vacuum suction cup. The connecting plate is arranged on the second movable seat, and the vacuum suction cup is arranged on the connecting plate.

8. The fuel cell production system according to claim 7, characterized in that: The second robot comprises a plurality of vacuum suction cups, and the plurality of vacuum suction cups are arranged on the connecting plate in a rectangular array.

9. The fuel cell stack production system according to any one of claims 1 to 4, characterized in that: The battery stack production system also includes a battery stack testing device; The transport assembly also includes a third robotic arm, which is used to transport the fuel cell stack unit to the fuel cell stack testing equipment.

10. A method for assembling a battery stack, applied to a battery stack production system as claimed in any one of claims 1 to 9, characterized in that: The battery stack assembly method comprises: Controlling the first robot to transport the lower cover to the mounting plate; Controlling the second robot to assemble the first sealing gasket onto the lower cover, and controlling the first robot to transport the upper cover to the clamping member; controlling the second robot to install the first electrode plate onto the first sealing gasket; controlling the second robot to install the exchange membrane onto the first electrode plate; controlling the second robot to install the second electrode plate onto the exchange membrane; controlling the second robot to install the second sealing gasket onto the second electrode plate; Controlling the clamping member to install the upper cover onto the second sealing gasket; The third robot is controlled to install the screw.

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