Fuel cell polar plate sealing ring laying device and laying equipment

Abstract

The embodiment of the utility model provides a fuel cell polar plate sealing ring laying device and laying equipment, and relates to the field of fuel cell polar plate sealing ring bonding. The utility model aims to solve the problems that the polar plate sealing element is difficult to pave, low in efficiency, low in adhesive force and unstable in sealing effect. The laying device comprises a bottom supporting plate, a sealing ring placing plate, a reset piece and an ejection block, the sealing ring placing plate is arranged on the bottom supporting plate in a lifting mode, and a groove used for placing a sealing ring is formed in the surface of the sealing ring placing plate; the reset piece is arranged between the sealing ring placing plate and the bottom supporting plate; the ejection block is fixed to the bottom supporting plate, movably penetrates through the groove and is used for ejecting the sealing ring in the groove upwards in the process that the sealing ring containing plate descends relative to the bottom supporting plate. The paving equipment comprises the paving device. And the sealing ring and the polar plate are tightly bonded together through the ejection block, so that the bonding is firmer, and the paving efficiency and the sealing effect are improved.

Description

Technical Field

[0001] The utility model relates to the field of fuel cell plate sealing ring bonding, in particular to a fuel cell plate sealing ring laying device and laying equipment. Background Art

[0002] A fuel cell is a device that converts the chemical energy of a fuel into electrical energy through an electrochemical reaction. The fuel cell stack is the core part of the fuel cell and is composed of multiple single cells. In order to ensure the normal operation of the fuel cell stack, it is necessary to ensure that the various liquids and gases inside the stack do not leak.

[0003] In a fuel cell stack, the plates (including bipolar plates and monopolar plates) are important components. They not only participate in electrochemical reactions, but also play a supporting and conductive role. Therefore, the sealing performance of the plates has an important impact on the performance and life of the fuel cell stack.

[0004] The traditional plate sealing method mainly uses sealants (such as sealing rings or sealants) for sealing. These sealants are pasted or placed on specific positions of the plates to prevent the leakage of coolant, hydrogen and air inside the stack. However, the traditional sealing method has some problems, such as the sealants are easy to fall off and the sealing effect is unstable. Utility Model Content

[0005] The purpose of the utility model includes, for example, providing a fuel cell plate sealing ring laying device, which can improve the problems of difficult and low efficiency of plate sealing part laying, weak adhesion and unstable sealing effect.

[0006] The purpose of the utility model also includes providing a paving device, which can improve the problems of difficult and low efficiency in paving of plate seals, weak adhesion and unstable sealing effect.

[0007] The embodiments of the present invention can be implemented as follows:

[0008] An embodiment of the utility model provides a fuel cell plate sealing ring laying device, comprising a bottom support plate, a sealing ring placement plate, a reset member and an ejection block, wherein the sealing ring placement plate can be lifted and lowered on the bottom support plate, and a groove for embedding and placing the plate sealing ring is provided on the surface of the sealing ring placement plate; the reset member is arranged between the sealing ring placement plate and the bottom support plate, and the reset member has a movement tendency to drive the sealing ring placement plate to move upward relative to the bottom support plate; the ejection block is fixed on the bottom support plate, and the ejection block movably passes through the groove, and the ejection block is used to lift the sealing ring in the groove upward during the process of the sealing ring placement plate moving downward relative to the bottom support plate.

[0009] In addition, the fuel cell plate sealing ring laying device provided in the embodiment of the utility model may also have the following additional technical features:

[0010] Optionally, an ejection hole penetrating the sealing ring placement plate in a thickness direction is provided in the groove; and the ejection block is slidably matched with the ejection hole.

[0011] Optionally, there are multiple ejection blocks; the multiple ejection blocks are spaced apart along the direction corresponding to the outer edge of the groove; there are multiple ejection holes, the multiple ejection holes are spaced apart along the outer edge direction of the groove, and the multiple ejection holes are arranged in one-to-one correspondence with the multiple ejection blocks.

[0012] Optionally, the sealing ring placement plate is liftably disposed on the bottom support plate in a direction perpendicular to the bottom support plate.

[0013] Optionally, the reset member is a spring; the spring is arranged between the sealing ring placement plate and the bottom support plate, and two ends of the spring are respectively against the sealing ring placement plate and the bottom support plate.

[0014] Optionally, when the spring pushes the sealing ring placement plate upward, multiple sealing rings can be stacked in the groove.

[0015] Optionally, the fuel cell plate sealing ring laying device further comprises a plurality of sealing ring lifting plates; the sealing ring lifting plates are used to be placed between two adjacent upper and lower sealing rings in the groove.

[0016] An embodiment of the utility model also provides a paving device, which includes a pressing drive cylinder, a pressing mold and a fuel cell plate sealing ring laying device; the pressing mold is used to fit with the surface of the sealing ring placement plate; the driving end of the pressing drive cylinder is fixed to the pressing mold, and the pressing drive cylinder is used to drive the pressing mold to move upward to disengage from the sealing ring placement plate, or drive the pressing mold to move downward to push the sealing ring placement plate to move downward.

[0017] Optionally, the paving equipment also includes a machine body, a mounting plate, a movable plate and multiple guide rods; the multiple guide rods are fixed to the machine body in the vertical direction, the mounting plate is fixed to the top of the multiple guide rods, and the downward pressure drive cylinder is fixed to the mounting plate; the movable plate is slidably arranged on the multiple guide rods, the driving end of the downward pressure drive cylinder is fixed to the movable plate, the downward pressure mold is fixed to the bottom of the movable plate, and the downward pressure drive cylinder is used to drive the movable plate and the downward pressure mold to move synchronously along the guide rods.

[0018] Optionally, the paving equipment also includes a slide drive cylinder; the slide drive cylinder is fixed on the machine body, the drive end of the slide drive cylinder is fixed to the bottom support plate, and the slide drive cylinder is used to drive the bottom support plate to move out or into the working position below the pressing mold.

[0019] The beneficial effects of the fuel cell plate sealing ring laying device and laying equipment of the utility model embodiment include, for example:

[0020] A fuel cell plate sealing ring laying device comprises a bottom support plate, a sealing ring placing plate, a reset member and an ejection block, wherein the sealing ring placing plate is arranged on the bottom support plate in a liftable manner, and a groove for embedding and placing the plate sealing ring is arranged on the surface of the sealing ring placing plate; the reset member is arranged between the sealing ring placing plate and the bottom support plate, and the reset member has a movement tendency to drive the sealing ring placing plate to move upward relative to the bottom support plate; the ejection block is fixed on the bottom support plate, and the ejection block movably passes through the groove, and the ejection block is used to lift the sealing ring in the groove upward when the sealing ring placing plate moves downward relative to the bottom support plate.

[0021] The sealing ring is pre-installed in the groove of the sealing ring placement plate, and then the glue-coated bipolar plate is placed on the sealing ring placement plate manually or automatically, and then the bipolar plate is pressed down, the sealing ring placement plate moves down, and the ejector block lifts up and presses the sealing ring on the bipolar plate. The ejector block tightly bonds the sealing ring and the plate together, making the sealing ring and the plate more firmly bonded, improving the installation efficiency and sealing effect.

[0022] The laying equipment includes the above-mentioned fuel cell plate sealing ring laying device, which can improve the problems of difficult and low efficiency in laying the plate sealing parts, weak adhesion and unstable sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic structural diagram of a fuel cell plate sealing ring laying device provided in this embodiment after explosion from a first perspective;

[0025] Figure 2 A schematic structural diagram of a fuel cell plate sealing ring laying device provided in this embodiment after explosion from a second viewing angle;

[0026] Figure 3An axial side view of the fuel cell plate sealing ring laying device provided in this embodiment;

[0027] Figure 4 A top view of the fuel cell plate sealing ring laying device provided in this embodiment;

[0028] Figure 5 for Figure 4 Sectional view of AA in the middle;

[0029] Figure 6 This is a schematic diagram of the structure of the paving equipment provided in this embodiment.

[0030] Icons: 10-fuel cell plate sealing ring laying device; 20-laying equipment; 100-bottom support plate; 200-sealing ring placement plate; 210-groove; 220-ejection hole; 300-reset member; 310-ejection block; 320-guide column; 330-spring; 400-sealing ring lifting plate; 500-downward pressure drive cylinder; 510-downward pressure mold; 520-machine body; 530-mounting plate; 540-movable plate; 550-guide rod; 560-slide drive cylinder; 600-sealing ring; 610-plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the present utility model, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.

[0035] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0036] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0037] Combine the following Figures 1 to 6 The fuel cell plate sealing ring laying device 10 provided in this embodiment is described in detail.

[0038] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The embodiment of the utility model provides a fuel cell plate sealing ring laying device 10, including a bottom support plate 100, a sealing ring placing plate 200, a reset member 300 and an ejection block 310. The sealing ring placing plate 200 can be lifted and lowered on the bottom support plate 100, and a groove 210 for embedding and placing the sealing ring 600 is provided on the surface of the sealing ring placing plate 200; the reset member 300 is arranged between the sealing ring placing plate 200 and the bottom support plate 100, and the reset member 300 has a movement tendency to drive the sealing ring placing plate 200 to move upward relative to the bottom support plate 100; the ejection block 310 is fixed on the bottom support plate 100, and the ejection block 310 movably penetrates the groove 210, and the ejection block 310 is used to push the sealing ring 600 in the groove 210 upward when the sealing ring placing plate 200 moves downward relative to the bottom support plate 100.

[0039] The shape of the groove 210 is set according to the shape of the sealing ring 600. The shape of the groove 210 matches the shape of the sealing ring 600. The groove 210 can just place the sealing ring 600, and the position of the sealing ring 600 is restricted. The sealing ring 600 is first placed in the groove 210, and then the electrode plate 610 coated with glue is covered on the sealing ring placement plate 200 manually or by a robot, and corresponds to the position of the sealing ring 600.

[0040] by Figure 1100, the sealing ring placing plate 200 is arranged on the top of the bottom support plate 100, the ejection block 310 and the reset member 300 are arranged between the sealing ring placing plate 200 and the bottom support plate 100, and the reset member 300 passes through the groove 210 of the sealing ring placing plate 200. In the initial state, the sealing ring placing plate 200 is supported on the reset member 300 under the action of the reset member 300, and is in a higher position relative to the bottom support plate 100. In the case where the sealing ring placing plate 200 is pressed by an external force, the sealing ring placing plate 200 moves downward, acts on the reset member 300, and the ejection block 310 is lifted up in the groove 210, and has a movement tendency of ejecting the sealing ring 600 in the groove 210 upward. By utilizing the ejection tendency of the ejection block 310, the sealing ring 600 can be pressed against the pole plate 610 on the sealing ring placing plate 200 to improve the bonding strength between the sealing ring 600 and the pole plate 610.

[0041] Specifically, in the initial state, the sealing ring 600 is placed in the groove 210, and the pole piece is laid on the surface of the sealing ring placement plate 200. By pressing the pole plate 610 and the sealing ring placement plate 200 downward together, the ejection block 310 is lifted up in the groove 210 to support the sealing ring 600, so that the contact area and contact pressure between the sealing ring 600 and the pole plate 610 are larger, thereby improving the bonding strength between the sealing ring 600 and the pole plate 610, thereby improving the sealing effect between the sealing ring 600 and the pole plate 610.

[0042] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 In this embodiment, an ejection hole 220 penetrating the thickness direction of the sealing ring placement plate 200 is provided in the groove 210; the ejection block 310 is slidably matched with the ejection hole 220.

[0043] The “thickness direction of the sealing ring placement plate 200” is the vertical direction in the figure. The bottom of the ejection block 310 is fixed on the bottom support plate 100, and the top of the ejection block 310 extends into the ejection hole 220 and slides with the ejection hole 220, which not only plays a guiding role, but also can lift the sealing ring 600 in the groove 210.

[0044] Reference Figure 1 and Figure 2 In this embodiment, there are multiple ejection blocks 310; the multiple ejection blocks 310 are spaced apart along the direction corresponding to the outer edge of the groove 210; there are multiple ejection holes 220, the multiple ejection holes 220 are spaced apart along the outer edge direction of the groove 210, and the multiple ejection holes 220 are arranged one-to-one with the multiple ejection blocks 310.

[0045] By using multiple ejection blocks 310 and multiple ejection holes 220, the sealing ring 600 can be lifted up from multiple positions of the sealing ring 600, so that the lifting height of the sealing ring 600 is kept as consistent as possible, so that it can fit evenly with the electrode plate 610 and improve the sealing effect.

[0046] Specifically, the plurality of ejector blocks 310 include two first ejector blocks 310 and two second ejector blocks 310. The shape of the sealing ring 600 is similar to a rectangle. The two first ejector blocks 310 are correspondingly arranged at two side edges that are opposite to each other and have a longer length, and the two second ejector blocks 310 are correspondingly arranged at two side edges that are opposite to each other and have a shorter length. That is, the two first ejector blocks 310 are correspondingly arranged at two sides, and the two second ejector blocks 310 are correspondingly arranged at both ends.

[0047] Specifically, the ejection block 310 is a step structure, and the ejection block 310 includes a boss and an inserting portion, and the inserting portion is slidably matched with the ejection hole 220 .

[0048] Reference Figure 2 , Figure 3 , Figure 4 and Figure 5 In this embodiment, the sealing ring placement plate 200 is movably disposed on the bottom support plate 100 in a direction perpendicular to the bottom support plate 100 .

[0049] The “direction perpendicular to the bottom support plate 100 ” is the vertical direction in the figure. In this way, when the sealing ring placement plate 200 is subjected to a vertical downward force, the ejection block 310 moves vertically upward in the groove 210 to lift up the sealing ring 600 .

[0050] Specifically, the fuel cell plate sealing ring laying device 10 also includes a guide column 320; the guide column 320 is fixed on the bottom support plate 100 in a direction perpendicular to the bottom support plate 100, and the sealing ring placement plate 200 is provided with a guide hole, which is slidably matched with the guide column 320.

[0051] Reference Figure 1 and Figure 2 In this embodiment, the reset member 300 is a spring 330; the spring 330 is arranged between the sealing ring placement plate 200 and the bottom support plate 100, and the two ends of the spring 330 are respectively against the sealing ring placement plate 200 and the bottom support plate 100.

[0052] In the initial state, the spring 330 supports the sealing ring placement plate 200. When the sealing ring placement plate 200 is subjected to a vertical downward force, the spring 330 is compressed; the ejection block 310 lifts the sealing ring 600 to complete the bonding of the sealing ring 600 and the electrode plate 610. After the bonding is completed, the force on the sealing ring placement plate 200 is removed, and the sealing ring placement plate 200 moves upward and resets under the action of the spring 330.

[0053] Specifically, the spring 330 is sleeved on the guide column 320. The guide column 320 is a step structure to prevent the sealing ring placement plate 200 from falling out. A boss is provided on the top of the guide column 320. The guide column 320 penetrates the sealing ring placement plate 200 from the top of the sealing ring placement plate 200, and then penetrates the bottom support plate 100, and then is fixed with a screw. The boss on the top of the guide column 320 abuts against the surface of the sealing ring placement plate 200 to prevent the sealing ring placement plate 200 from falling out.

[0054] In this embodiment, when the spring 330 pushes the sealing ring placement plate 200 upward, multiple sealing rings 600 can be stacked in the groove 210.

[0055] After the sealing ring placement plate 200 moves upward and resets under the action of the spring 330, the top of the ejection block 310 moves downward relative to the top of the groove 210, and multiple sealing rings 600 can be stacked in the groove 210. In the process of the ejection block 310 being pushed upward, the multiple sealing rings 600 stacked in the groove 210 are bonded to the electrode plate 610 in turn to achieve continuous bonding.

[0056] In this embodiment, the fuel cell plate sealing ring laying device 10 further includes a plurality of sealing ring lifting plates 400 ; the sealing ring lifting plates 400 are used to be placed between two adjacent upper and lower sealing rings 600 in the groove 210 .

[0057] The sealing ring lifting piece 400 is used to separate the multiple stacked sealing rings 600 in the groove 210 to prevent the sealing rings 600 from sticking to each other; in addition, the ejection block 310 lifts the sealing ring lifting piece 400 to lift the sealing ring 600, and the sealing ring lifting piece 400 can synchronize the rising and falling movement positions of each position of the sealing ring 600, thereby improving the sealing and bonding effect between the sealing ring 600 and the plate 610.

[0058] Reference Figure 1 and Figure 6 The embodiment of the utility model also provides a paving device 20, which includes a pressing drive cylinder 500, a pressing mold 510 and a fuel cell plate sealing ring laying device 10; the pressing mold 510 is used to fit with the surface of the sealing ring placement plate 200; the driving end of the pressing drive cylinder 500 is fixed to the pressing mold 510, and the pressing drive cylinder 500 is used to drive the pressing mold 510 to move upward to disengage from the sealing ring placement plate 200, or drive the pressing mold 510 to move downward to push the sealing ring placement plate 200 to move downward.

[0059] The pressing drive cylinder 500 drives the pressing mold 510 to move downward, and the pressing mold 510 pushes the sealing ring placement plate 200 to move downward, so that the ejection block 310 pushes the sealing ring 600 to bond with the electrode plate 610. The pressing mold 510 fits with the sealing ring placement plate 200 to exert pressure. The pressing drive cylinder 500 drives the pressing mold 510 to move upward, and the pressing mold 510 is separated from the sealing ring placement plate 200. The sealing ring placement plate 200 is reset under the action of the reset member 300 to wait for the next time the electrode plate 610 is placed and bonded.

[0060] Reference Figure 5 In this embodiment, the paving equipment 20 also includes a body 520, a mounting plate 530, a movable plate 540 and a plurality of guide rods 550; the plurality of guide rods 550 are fixed on the body 520 in a vertical direction, the mounting plate 530 is fixed on the top of the plurality of guide rods 550, and the pressing drive cylinder 500 is fixed on the mounting plate 530; the movable plate 540 is slidably arranged on the plurality of guide rods 550, the driving end of the pressing drive cylinder 500 is fixed to the movable plate 540, the pressing mold 510 is fixed at the bottom of the movable plate 540, and the pressing drive cylinder 500 is used to drive the movable plate 540 and the pressing mold 510 to move synchronously along the guide rods 550.

[0061] A plurality of guide rods 550 are vertically arranged on the machine body 520, the mounting plate 530 is fixed on the plurality of guide rods 550, the movable plate 540 is slidably matched with the plurality of guide rods 550, and the movable plate 540 moves up and down along the direction of the guide rods 550. The pressing drive cylinder 500 drives the movable plate 540 to move up and down along the guide rods 550. The pressing mold 510 is fixed at the bottom of the movable plate 540.

[0062] Reference Figure 5 In this embodiment, the paving equipment 20 also includes a slide drive cylinder 560; the slide drive cylinder 560 is fixed on the machine body 520, and the driving end of the slide drive cylinder 560 is fixed to the bottom support plate 100. The slide drive cylinder 560 is used to drive the bottom support plate 100 to move out or into the working position below the pressing mold 510.

[0063] In the initial position, the fuel cell plate sealing ring laying device 10 is located outside the movable plate 540. After placing the sealing ring 600 and the plate 610 on the sealing ring placement plate 200, the slide drive cylinder 560 drives the entire fuel cell plate sealing ring laying device 10 to move to the bottom of the pressing mold 510, aligning it with the pressing mold 510, and then the pressing drive cylinder 500 drives the pressing mold 510 to press the sealing ring placement plate 200 with the plate 610 laid thereon. During the pressing process, the ejection block 310 is pushed upward to push the sealing ring 600 and the plate 610 to be sealed and bonded. After the sealing rings 600 in the groove 210 are bonded to the plate 610, the slide drive cylinder 560 drives the fuel cell plate sealing ring laying device 10 to move out, and after the sealing ring 600 and the sealing ring lifting sheet 400 are stacked in the groove 210 and the plate 610 is placed, the slide drive cylinder 560 drives the fuel cell plate sealing ring laying device 10 to the bottom of the pressing mold 510. Repeat the above process to continuously complete the bonding of the sealing ring 600 and the plate 610.

[0064] According to a fuel cell plate sealing ring laying device 10 provided in this embodiment, the working principles of the fuel cell plate sealing ring laying device 10 and the laying equipment 20 are:

[0065] In a normal state, the spring 330 lifts the sealing ring placement plate 200, and multiple sealing rings 600 can be placed inside the groove 210. During operation, the electrode plate 610 is placed on the sealing ring placement plate 200, and then pressed down, and the sealing ring 600 is bonded to the electrode plate 610 to complete the sealing bonding. The depth of the groove 210 is different, and different numbers of sealing rings 600 can be placed, and automatic assembly can be achieved with the robot.

[0066] A plurality of sealing rings 600 are pre-installed in the groove 210 of the sealing ring placement plate 200, and then the glue-coated bipolar plate 610 is placed on the sealing ring placement plate 200 manually or automatically, and then the bipolar plate 610 is pressed down, the sealing ring placement plate 200 moves down, and the ejection block 310 lifts up the sealing ring 600 and presses it onto the bipolar plate 610.

[0067] Place the sealing ring 600 into the groove 210 on the sealing ring placement plate 200, place the pole plate 610 on the sealing ring placement plate 200, and then press the switch button. The slide drive cylinder 560 transports the sealing ring placement plate 200 to the bottom of the pressing mold 510, and the pressing drive cylinder 500 drives the pressing mold 510 to press down, so that the sealing ring 600 and the pole plate 610 are tightly bonded together.

[0068] The fuel cell plate sealing ring laying device 10 provided in this embodiment has at least the following advantages:

[0069] The ejection block 310 makes the sealing ring 600 and the electrode plate 610 more firmly bonded, improving the paving quality and paving efficiency. The sealing ring 600 paving groove 210 is deep, and multiple sets of sealing rings 600 can be paved in advance, realizing automatic bonding paving, reducing the paving difficulty, and improving the paving efficiency and quality.

[0070] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A fuel cell plate sealing ring laying device, characterized in that: include: Bottom support plate (100); A sealing ring placement plate (200), the sealing ring placement plate (200) being arranged on the bottom support plate (100) in a liftable manner, and a groove (210) for embedding and placing the sealing ring (600) is provided on the surface of the sealing ring placement plate (200); A reset member (300), the reset member (300) being arranged between the sealing ring placement plate (200) and the bottom support plate (100), the reset member (300) having a movement tendency of driving the sealing ring placement plate (200) to move upward relative to the bottom support plate (100); and an ejection block (310), wherein the ejection block (310) is fixed on the bottom support plate (100) and the ejection block (310) movably passes through the groove (210), and the ejection block (310) is used to push the sealing ring (600) in the groove (210) upwards when the sealing ring placement plate (200) moves downward relative to the bottom support plate (100).

2. The fuel cell plate sealing ring laying device according to claim 1, characterized in that: An ejection hole (220) penetrating the thickness direction of the sealing ring placement plate (200) is provided in the groove (210); the ejection block (310) is slidably matched with the ejection hole (220).

3. The fuel cell plate sealing ring laying device according to claim 2, characterized in that: There are a plurality of ejection blocks (310); the plurality of ejection blocks (310) are spaced apart and distributed along a direction corresponding to an outer edge of the groove (210); there are a plurality of ejection holes (220); the plurality of ejection holes (220) are spaced apart and distributed along an outer edge of the groove (210); and the plurality of ejection holes (220) are arranged in a one-to-one correspondence with the plurality of ejection blocks (310).

4. The fuel cell plate sealing ring laying device according to any one of claims 1 to 3, characterized in that: The sealing ring placement plate (200) is arranged on the bottom support plate (100) in a manner that it can be raised and lowered in a direction perpendicular to the bottom support plate (100).

5. The fuel cell plate sealing ring laying device according to any one of claims 1 to 3, characterized in that: The reset member (300) is a spring (330); the spring (330) is arranged between the sealing ring placement plate (200) and the bottom support plate (100), and two ends of the spring (330) are respectively abutted against the sealing ring placement plate (200) and the bottom support plate (100).

6. The fuel cell plate sealing ring laying device according to claim 5, characterized in that: When the spring (330) pushes the sealing ring placement plate (200) upward, a plurality of sealing rings (600) can be stacked in the groove (210).

7. The fuel cell plate sealing ring laying device according to claim 6, characterized in that: The fuel cell plate sealing ring laying device further comprises a plurality of sealing ring lifting plates (400); the sealing ring lifting plates (400) are used to be placed between two adjacent upper and lower sealing rings (600) in the groove (210).

8. A paving device, characterized in that: The laying equipment includes a pressing drive cylinder (500), a pressing mold (510) and a fuel cell plate sealing ring laying device according to any one of claims 1 to 7; the pressing mold (510) is used to fit with the surface of the sealing ring placement plate (200); the driving end of the pressing drive cylinder (500) is fixed to the pressing mold (510), and the pressing drive cylinder (500) is used to drive the pressing mold (510) to move upward to disengage from the sealing ring placement plate (200), or drive the pressing mold (510) to move downward to push the sealing ring placement plate (200) to move downward.

9. The paving equipment according to claim 8, characterized in that: The paving equipment also includes a machine body (520), a mounting plate (530), a movable plate (540) and a plurality of guide rods (550); the plurality of guide rods (550) are fixed on the machine body (520) in a vertical direction, the mounting plate (530) is fixed on the top of the plurality of guide rods (550), and the pressing drive cylinder (500) is fixed on the mounting plate (530); the movable plate (540) is slidably arranged on the plurality of guide rods (550), the driving end of the pressing drive cylinder (500) is fixed to the movable plate (540), the pressing mold (510) is fixed on the bottom of the movable plate (540), and the pressing drive cylinder (500) is used to drive the movable plate (540) and the pressing mold (510) to move synchronously along the guide rods (550).

10. The paving equipment according to claim 9, characterized in that: The paving equipment also includes a slide drive cylinder (560); the slide drive cylinder (560) is fixed on the machine body (520), and the driving end of the slide drive cylinder (560) is fixed to the bottom support plate (100), and the slide drive cylinder (560) is used to drive the bottom support plate (100) to move out of or into the working position below the pressing mold (510).

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