Fuel cell stacker

Abstract

The utility model relates to the technical field of fuel cell stack assembly, and discloses a fuel cell stacking machine which comprises a stacking machine main body platform, a membrane electrode placing frame, a bipolar plate placing frame, a manipulator, a limiting tool, an image acquisition device and a control system, the bipolar plate placing frame is arranged on the upper surface of the stacker main body platform, the manipulator is arranged on the upper surface of the stacker main body platform, the limiting tool is arranged on the upper surface of the stacker main body platform, the membrane electrode placing frame, the bipolar plate placing frame and the limiting tool are all provided with image acquisition devices, and the control system is connected with the image acquisition devices and the manipulator. According to the utility model, the material inspection efficiency and accuracy are improved, the stacking efficiency and success rate are improved, and meanwhile, the material stacking precision during fuel cell stacking is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel cell stack assembly, in particular to a fuel cell stack assembling machine. Background Art

[0002] A fuel cell is a device that converts the chemical energy of reactants into electrical energy. It has the characteristics of high power generation efficiency, low environmental pollution, high specific energy, and high reliability. A fuel cell stack is composed of core components such as end plates, insulating plates, current collecting plates, bipolar plates, and membrane electrodes stacked one by one. The stacking and assembly of the stack is usually completed on a stacking machine. When assembling the stack, to prevent defective materials from being mixed into the stack, operators are usually required to perform a visual inspection before stacking and manually remove materials with appearance defects. However, this inspection method is inefficient, and the judgment of material defects is highly dependent on the experience of the inspector, resulting in slow stacking speed and low success rate. In addition, the current mainstream stacking technology is fully automatic stacking using a robot or semi-automatic stacking performed manually. Both of the above stacking technologies require the limit function of the limit tooling, that is, the material stacking is within the range limited by the limit tooling to prevent the material from shifting or even tipping over during the stacking or pressing process. Furthermore, to prevent excessive friction between the materials and the stopper rods during stacking, which could cause the materials to curl, the size of the stopper rod's defined range must be slightly larger than the material's external dimensions. Consequently, when the materials are placed inside the tooling, there will be a gap between them and the stopper rods. The position of the materials inside the tooling is random, so the stacking accuracy still needs to be improved. To address these issues, it is imperative to research and design a new fuel cell stacking machine that overcomes the problems inherent in existing fuel cell stacking processes. Summary of the Invention

[0003] In order to solve the problems of slow stacking speed, low success rate and low material stacking accuracy in the existing fuel cell stack assembly work, the utility model provides a fuel cell stacking machine.

[0004] The technical solution adopted by the present invention to achieve the above-mentioned purpose is: a fuel cell stacking machine, comprising

[0005] Main platform of stacker;

[0006] A membrane electrode placement rack, the membrane electrode placement rack being arranged on the upper surface of the stacking machine main platform and being used for placing the membrane electrode of the fuel cell;

[0007] A bipolar plate placement rack, the bipolar plate placement rack being arranged on the upper surface of the stacking machine main platform and being used for placing bipolar plates of fuel cells;

[0008] A manipulator, the manipulator being arranged on the upper surface of the stacking machine main body platform, the manipulator being used to grab the membrane electrode and the bipolar plate and place the membrane electrode and the bipolar plate in a limiting fixture;

[0009] A limiting tool, which is arranged on the upper surface of the stacking machine main platform and is used to limit the assembly of the membrane electrode and bipolar plate;

[0010] An image acquisition device, the membrane electrode placement rack, the bipolar plate placement rack, and the limiting fixture are all equipped with the image acquisition device, the image acquisition device is used to capture the appearance and position of the membrane electrode and the bipolar plate to obtain image information;

[0011] A control system is connected to the image acquisition device and the manipulator respectively, and is used to receive the image information and compare the image information with a standard material picture to determine whether there are defects in the membrane electrode and the bipolar plate and whether the positions of the membrane electrode and the bipolar plate are offset, obtain a judgment result, and send a control instruction to the manipulator according to the judgment result, and the manipulator operates according to the control instruction.

[0012] According to a fuel cell stacking machine in some embodiments of the present invention, the membrane electrode rack includes a membrane electrode rack base, a membrane electrode rack limiting frame and a membrane electrode rack bracket, the membrane electrode rack limiting frame is arranged on the upper surface of the membrane electrode rack base, the membrane electrode rack bracket is arranged on the upper surface of the membrane electrode rack base, and the image acquisition device is provided on the membrane electrode rack bracket.

[0013] According to a fuel cell stacking machine of some embodiments of the present invention, there are four membrane electrode placement rack supports, and the image acquisition device is provided on each of the four membrane electrode placement rack supports, and the four image acquisition devices are at the same horizontal height.

[0014] According to a fuel cell stack assembling machine in some embodiments of the present invention, the four membrane electrode placement rack brackets are connected to the upper surfaces of the four corners of the membrane electrode placement rack base.

[0015] According to a fuel cell stacking machine in some embodiments of the present invention, the bipolar plate rack includes a bipolar plate rack base, a bipolar plate rack limiting frame and a bipolar plate rack bracket, the bipolar plate rack limiting frame is arranged on the upper surface of the bipolar plate rack base, the bipolar plate rack bracket is arranged on the upper surface of the bipolar plate rack base, and the image acquisition device is provided on the bipolar plate rack bracket.

[0016] According to a fuel cell stacking machine of some embodiments of the present invention, there are four bipolar plate placement rack brackets, and the image acquisition device is provided on each of the four bipolar plate placement rack brackets, and the four image acquisition devices are at the same horizontal height.

[0017] According to a fuel cell stack assembling machine in some embodiments of the present invention, the four bipolar plate rack brackets are connected to the upper surfaces of the four corners of the bipolar plate rack base.

[0018] According to a fuel cell stacking machine in some embodiments of the present invention, the manipulator includes four suction cups, all of which are arranged on the lower surface of the manipulator, and the positions of the four suction cups correspond to the positions of the four corners of the membrane electrode or bipolar plate.

[0019] According to a fuel cell stack assembler in some embodiments of the present invention, the limiting tool includes a limiting tool platform and a limiting rod. There are multiple limiting rods, and the multiple limiting rods are all arranged on the upper surface of the limiting tool platform.

[0020] According to a fuel cell stacking machine in some embodiments of the present invention, the image acquisition device is provided on the upper surfaces of the four corners of the position limiting tooling platform.

[0021] The utility model provides a fuel cell stacking machine, which prevents damage to the membrane electrode and bipolar plate before stacking by arranging a membrane electrode placement rack and a bipolar plate placement rack. An image acquisition device is arranged on the membrane electrode placement rack and the bipolar plate placement rack, which can identify whether there are defects on the surface of the membrane electrode and the bipolar plate. An image acquisition device is arranged on the limiting tooling, which can identify whether there are defects on the surface of the membrane electrode and the bipolar plate and whether the positions of the membrane electrode and the bipolar plate are accurate. The utility model provides a fuel cell stacking machine, which can improve the efficiency and accuracy of material inspection before fuel cell stacking, improve the stacking efficiency and success rate, and at the same time improve the material stacking accuracy when fuel cells are stacked. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of a fuel cell stacking machine according to an embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the membrane electrode placement rack according to an embodiment of the present utility model;

[0024] Figure 3 This is a schematic structural diagram of a bipolar plate placement rack according to an embodiment of the present utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the manipulator according to an embodiment of the present utility model;

[0026] Figure 5This is a schematic diagram of the structure of the position limiting tooling in an embodiment of the utility model;

[0027] Figure 6 This is a schematic diagram of a situation in which the bipolar plates of an embodiment of the present utility model are offset in parallel;

[0028] Figure 7 This is a schematic diagram of a method for adjusting the position of a bipolar plate when a parallel offset occurs in an embodiment of the present utility model;

[0029] Figure 8 This is a schematic diagram of the situation where the bipolar plate position is offset at an angle according to an embodiment of the present utility model;

[0030] Figure 9 This is a schematic diagram of a method for adjusting the position of a bipolar plate when an angular offset occurs in an embodiment of the present invention;

[0031] Figure 10 This is a schematic diagram of a situation in which the bipolar plates of an embodiment of the present invention are both parallel and angularly offset;

[0032] Figure 11 It is a schematic diagram of a method for adjusting the position of the bipolar plates when the positions are both parallel and at an angle in an embodiment of the present invention.

[0033] In the figure: 1. Stacking machine main platform, 2. Membrane electrode rack, 2-1. Membrane electrode rack base, 2-2. Membrane electrode rack limit frame, 2-3. Membrane electrode rack bracket, 3. Bipolar plate rack, 3-1. Bipolar plate rack base, 3-2. Bipolar plate rack limit frame, 3-3. Bipolar plate rack bracket, 4. Manipulator, 4-1. Suction cup, 5. Limiting tooling, 5-1. Limiting tooling platform, 5-2. Limiting rod, 6. Image acquisition device. DETAILED DESCRIPTION

[0034] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limiting the present invention. The terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0036] A fuel cell stacking machine according to this embodiment, such as Figure 1As shown, it includes a stacking machine main platform 1, a membrane electrode placement rack 2, a bipolar plate placement rack 3, a manipulator 4, a limiting tool 5, an image acquisition device 6 and a control system. The membrane electrode placement rack 2 is arranged on the upper surface of the stacking machine main platform 1. The membrane electrode placement rack 2 is used to place the membrane electrode of the fuel cell. The membrane electrode placement rack 2 can also limit the membrane electrode to prevent the membrane electrode from being damaged by randomly placing the membrane electrode; the bipolar plate placement rack 3 is arranged on the upper surface of the stacking machine main platform 1. The bipolar plate placement rack 3 is used to place the bipolar plates of the fuel cell. The bipolar plate placement rack 3 can also limit the bipolar plates to prevent the bipolar plates from being damaged by randomly placing the bipolar plates; the manipulator 4 is arranged on the upper surface of the stacking machine main platform 1. The manipulator 4 is used to grab the membrane electrode and the bipolar plate respectively, and place the membrane electrode and the bipolar plate in the limiting tool 5; the limiting tool 5 is arranged on the upper surface of the stacking machine main platform 1. The limiting tool 5 is used to limit the assembly of the membrane electrode and the bipolar plate to ensure that the membrane electrode and the bipolar plate are stacked and pressed during the process. No offset will occur, thereby improving the stacking accuracy; the membrane electrode placement rack 2, the bipolar plate placement rack 3 and the limiting tooling 5 are all provided with an image acquisition device 6, which is used to capture the appearance and position of the membrane electrode and bipolar plate to obtain image information. Preferably, the image acquisition device 6 can be a camera, an industrial camera, a high-definition camera, a camera and a video camera, etc.; the control system is connected to the image acquisition device 6 and the manipulator 4 respectively, and the control system is used to receive image information and compare the image information with the standard material picture to determine whether the membrane electrode and the bipolar plate have defects and whether the position of the membrane electrode and the bipolar plate is offset, obtain a judgment result, and send a control instruction to the manipulator 4 according to the judgment result, and the manipulator 4 operates according to the control instruction. Preferably, the control system determines whether the membrane electrode and the bipolar plate have appearance defects and controls the manipulator 4 to screen the materials. At the same time, the control system determines whether the position of the membrane electrode and the bipolar plate is offset according to the actual image information, and controls the manipulator 4 to adjust the position.

[0037] It should be noted that, as a preferred embodiment of the present invention, Figure 2As shown, the membrane electrode rack 2 includes a membrane electrode rack base 2-1, a membrane electrode rack limit frame 2-2, and a membrane electrode rack bracket 2-3. The membrane electrode rack limit frame 2-2 is provided on the upper surface of the membrane electrode rack base 2-1 and is used to limit the position of the membrane electrode to prevent damage to the membrane electrode. The membrane electrode rack bracket 2-3 is provided on the upper surface of the membrane electrode rack base 2-1. The membrane electrode rack bracket 2-3 is provided with an image acquisition device 6. More preferably, there are four membrane electrode rack brackets 2-3, each of which is provided with an image acquisition device 6, and the four image acquisition devices 6 are at the same horizontal height. The four membrane electrode rack brackets 2-3 are connected to the upper surface of the four corners of the membrane electrode rack base 2-1. Preferably, the image acquisition device 6 on the membrane electrode rack bracket 2-3 is used to capture the appearance of the upper surface of the membrane electrode and transmit the appearance of the upper surface of the membrane electrode to the control system.

[0038] It should be noted that, as a preferred embodiment of the present invention, Figure 3 As shown, the bipolar plate rack 3 includes a bipolar plate rack base 3-1, a bipolar plate rack limiting frame 3-2, and a bipolar plate rack bracket 3-3. The bipolar plate rack limiting frame 3-2 is disposed on the upper surface of the bipolar plate rack base 3-1. The bipolar plate rack limiting frame 3-2 is used to limit the position of the bipolar plates to prevent damage to the bipolar plates. The bipolar plate rack bracket 3-3 is disposed on the upper surface of the bipolar plate rack base 3-1. The bipolar plate rack bracket 3-3 is provided with an image acquisition device 6. Preferably, in this embodiment, the number of bipolar plate rack brackets 3-3 is four, and each of the four bipolar plate rack brackets 3-3 is provided with an image acquisition device 6. The four image acquisition devices 6 are at the same horizontal height. The four bipolar plate rack brackets 3-3 can be connected to the upper surface of the four corners of the bipolar plate rack base 3-1. Preferably, the image acquisition device 6 on the bipolar plate placement rack bracket 3 - 3 is used to capture the appearance of the upper surface of the bipolar plate and send the appearance of the upper surface of the bipolar plate to the control system.

[0039] It should be noted that, as a preferred embodiment of the present invention, Figure 4As shown, the manipulator 4 includes four suction cups 4-1, each of which is disposed on its lower surface. The positions of the four suction cups 4-1 correspond to the four corners of the membrane electrode or bipolar plate. The manipulator 4 is responsible for transporting the membrane electrode or bipolar plate. The manipulator 4 transports the membrane electrode or bipolar plate along a preset route to the top of the limiting fixture 5 for stacking. When extracting the membrane electrode or bipolar plate, the manipulator 4 simultaneously holds the four corners of the membrane electrode or bipolar plate with the four suction cups 4-1, so that the membrane electrode or bipolar plate is horizontal on the manipulator 4. More preferably, the bottom of the manipulator 4 is connected to the surface of the stacking machine main platform 1 by sliding or rolling, and the bottom of the manipulator 4 may also be provided with universal wheels.

[0040] It should be noted that, as a preferred embodiment of the present invention, Figure 5 As shown, the limiting fixture 5 includes a limiting fixture platform 5-1 and limiting rods 5-2. There are multiple limiting rods 5-2, and each of the limiting rods 5-2 is disposed on the upper surface of the limiting fixture platform 5-1. The limiting rods 5-2 are used to limit the position of the membrane electrode and bipolar plate. Image acquisition devices 6 are provided on the upper surface of the four corners of the limiting fixture platform 5-1. Preferably, the image acquisition devices 6 at the four corners of the limiting fixture platform 5-1 are used to capture the appearance and morphology of the lower surface of the membrane electrode and bipolar plate, as well as the placement position of the membrane electrode and bipolar plate, and transmit the appearance and morphology of the lower surface of the membrane electrode and bipolar plate and the placement position of the membrane electrode and bipolar plate to the control system.

[0041] In this embodiment, the working process of a fuel cell stack assembler includes the following steps:

[0042] S1. The bipolar plates are stacked in the bipolar plate rack 3 and the membrane electrode is stacked in the membrane electrode rack 2;

[0043] S2. The image acquisition device 6 on the bipolar plate placement rack 3 takes a picture of the appearance of the upper surface of the bipolar plate and sends the picture to the control system. The control system determines whether the bipolar plate has any appearance defects. If there are appearance defects, a discard signal is sent to control the manipulator 4 to pick up the bipolar plate and put it into the waste area. If there are no appearance defects, a pick-up signal is sent to control the manipulator 4 to pick up the bipolar plate and transfer the bipolar plate to the top of the limit tooling 5 according to the preset running trajectory. The image acquisition device 6 of the limit tooling platform 5-1 takes a picture of the lower surface of the bipolar plate and uploads it to the control system. The control system performs the bipolar plate removal. Surface appearance morphology comparison and screening, bipolar plates with unqualified appearance are directly placed in the waste area, and the manipulator 4 returns to the bipolar plate placement rack 3 to pick up the next bipolar plate. For bipolar plates with qualified appearance, the control system compares the position of the gas port in the actual picture with the standard picture, calculates the position deviation of the bipolar plate, and the manipulator 4 moves the position of the bipolar plate according to the position deviation calculated by the control system. After the movement, the image acquisition device 6 takes a second picture and uploads it to the control system, which calculates the position offset. If the offset is within the specified range, the manipulator 4 places the bipolar plate into the limit fixture 5;

[0044] S3. The image acquisition device 6 on the membrane electrode placement rack 2 takes a picture of the appearance of the upper surface of the membrane electrode and sends the picture to the control system. The control system determines whether the membrane electrode has any appearance defects. If there are appearance defects, a discard signal is sent to control the manipulator 4 to absorb the membrane electrode and put it into the waste area. If there are no appearance defects, a pick-up signal is sent to control the manipulator 4 to absorb the membrane electrode and transfer the membrane electrode to the top of the limit tooling 5 according to the preset running trajectory. The image acquisition device 6 of the limit tooling platform 5-1 takes a picture of the lower surface of the membrane electrode and uploads it to the control system. The control system performs the membrane electrode lower The surface appearance is compared and screened. The membrane electrode with unqualified appearance is directly placed in the waste area. The manipulator 4 returns to the membrane electrode placement rack 2 to pick up the next membrane electrode. For the membrane electrode with qualified appearance, the control system compares the position of the gas port in the actual picture with the standard picture, calculates the position deviation of the membrane electrode, and the manipulator 4 moves the position of the membrane electrode according to the position deviation calculated by the control system. After the movement, the image acquisition device 6 takes a second photo and uploads it to the control system. The control system calculates the position offset. If the offset is within the specified range, the manipulator 4 places the membrane electrode into the limit fixture 5.

[0045] S4. Repeat steps S2-S3 until the stacking amount of bipolar plates and membrane electrodes meets the requirements, then stop the stacking work of the stacking machine.

[0046] There are gas ports on both the bipolar plates and the membrane electrodes. Figure 6This is the parallel offset of the bipolar plate position offset. The solid line graph on the left shows the actual gas port picture, and the dotted line graph on the right shows the standard gas port picture. Figure 7 This is a diagram showing the position adjustment method when the bipolar plate position is offset in parallel. Move the bipolar plate horizontally to the standard position. Similarly, if the membrane electrode position is offset horizontally, the adjustment method is the same as the bipolar plate adjustment method. Figure 8 The figure shows the angular offset of the bipolar plate position. The solid line graph on the left shows the actual gas port picture, and the dotted line graph on the right shows the standard gas port picture. Figure 9 This is a diagram of the position adjustment method when the bipolar plate position is angularly offset. The angle of the bipolar plate is rotated to the standard position. Similarly, if the position of the membrane electrode is angularly offset, the adjustment method is the same as the bipolar plate adjustment method. Figure 10 This is the situation where the horizontal and angular offsets occur simultaneously in the bipolar plate position offset. The solid line graph on the left shows the actual gas port picture, and the dotted line graph on the right shows the standard gas port picture. Figure 11 This diagram shows the position adjustment method for bipolar plates that experience both horizontal and angular offsets. The bipolar plate is rotated to its standard angle, then translated to its standard position. Similarly, if the membrane electrode (MEA) experiences both horizontal and angular offsets, the adjustment method is the same as for the bipolar plate. To determine whether the MEA or BPP has offset, the control system first determines the center coordinates of the gas port based on the intersection of the two diagonals of the gas port in the live image. The coordinates of the gas port center in the live image are then compared with those in the standard image to determine whether the center has offset. The angle formed by each side of the gas port in the live image with the corresponding side of the gas port in the standard image is then measured to determine whether the MEA or BPP has deflected. MEA or BPPs with positional deviations within the specified range can be directly stacked. For MEA or BPPs with positional deviations exceeding the specified range, the robot 4 will perform translational or rotational adjustments to adjust the MEA or BPP position before stacking.

[0047] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A fuel cell stacking machine, characterized in that: include Stacker main platform (1); A membrane electrode placement rack (2), the membrane electrode placement rack (2) being arranged on the upper surface of the stacking machine main body platform (1), and the membrane electrode placement rack (2) being used for placing membrane electrodes of fuel cells; A bipolar plate placement rack (3), the bipolar plate placement rack (3) being arranged on the upper surface of the stacking machine main body platform (1), the bipolar plate placement rack (3) being used to place bipolar plates of a fuel cell; A manipulator (4), the manipulator (4) being arranged on the upper surface of the stacking machine main body platform (1), the manipulator (4) being used to grab the membrane electrode and the bipolar plate and place the membrane electrode and the bipolar plate in a limiting tool (5); A limiting tool (5), the limiting tool (5) is arranged on the upper surface of the stacking machine main body platform (1), and the limiting tool (5) is used to limit the assembly of the membrane electrode and the bipolar plate; An image acquisition device (6), the membrane electrode placement rack (2), the bipolar plate placement rack (3) and the position limiting fixture (5) are all provided with the image acquisition device (6), and the image acquisition device (6) is used to photograph the appearance and position of the membrane electrode and the bipolar plate to obtain image information; A control system is provided, wherein the control system is connected to the image acquisition device (6) and the manipulator (4) respectively, and is used to receive the image information and compare the image information with a standard material image, determine whether the membrane electrode and the bipolar plate have defects and whether the positions of the membrane electrode and the bipolar plate are offset, obtain a judgment result, and send a control instruction to the manipulator (4) according to the judgment result, and the manipulator (4) operates according to the control instruction.

2. A fuel cell stacking machine according to claim 1, characterized in that: The membrane electrode placement rack (2) comprises a membrane electrode placement rack base (2-1), a membrane electrode placement rack limiting frame (2-2) and a membrane electrode placement rack support (2-3); the membrane electrode placement rack limiting frame (2-2) is arranged on the upper surface of the membrane electrode placement rack base (2-1); the membrane electrode placement rack support (2-3) is arranged on the upper surface of the membrane electrode placement rack base (2-1); and the membrane electrode placement rack support (2-3) is provided with the image acquisition device (6).

3. A fuel cell stacking machine according to claim 2, characterized in that: There are four membrane electrode placement rack supports (2-3), and each of the four membrane electrode placement rack supports (2-3) is provided with the image acquisition device (6), and the four image acquisition devices (6) are at the same horizontal height.

4. A fuel cell stacking machine according to claim 3, characterized in that: The four membrane electrode placement rack supports (2-3) are connected to the upper surfaces of the four corners of the membrane electrode placement rack base (2-1).

5. The fuel cell stacking machine according to claim 1, characterized in that: The bipolar plate rack (3) comprises a bipolar plate rack base (3-1), a bipolar plate rack limiting frame (3-2) and a bipolar plate rack support (3-3); the bipolar plate rack limiting frame (3-2) is arranged on the upper surface of the bipolar plate rack base (3-1); the bipolar plate rack support (3-3) is arranged on the upper surface of the bipolar plate rack base (3-1); and the image acquisition device (6) is provided on the bipolar plate rack support (3-3).

6. A fuel cell stacking machine according to claim 5, characterized in that: There are four bipolar plate placement rack supports (3-3), and each of the four bipolar plate placement rack supports (3-3) is provided with the image acquisition device (6), and the four image acquisition devices (6) are at the same horizontal height.

7. A fuel cell stacking machine according to claim 6, characterized in that: The four bipolar plate placement rack supports (3-3) are connected to the upper surfaces of the four corners of the bipolar plate placement rack base (3-1).

8. The fuel cell stacking machine according to claim 1, characterized in that: The manipulator (4) comprises four suction cups (4-1), each of which is arranged on the lower surface of the manipulator (4), and the positions of the four suction cups (4-1) correspond to the positions of the four corners of the membrane electrode or the bipolar plate.

9. The fuel cell stacking machine according to claim 1, characterized in that: The limiting tool (5) comprises a limiting tool platform (5-1) and a limiting rod (5-2); there are multiple limiting rods (5-2), and the multiple limiting rods (5-2) are all arranged on the upper surface of the limiting tool platform (5-1).

10. A fuel cell stacking machine according to claim 9, characterized in that: The image acquisition devices (6) are provided on the upper surfaces of the four corners of the position-limiting tooling platform (5-1).

Images