Fuel cell stack stacking and press-fitting equipment

Abstract

The utility model provides fuel cell stack stacking and press-fitting equipment, which relates to the technical field of fuel cell stacks and comprises an equipment hood framework, an alarm is arranged at one end of the top of the equipment hood framework, an equipment HMI (human machine interface) control system is arranged on the front side of the side surface of the equipment hood framework, and a button switch is arranged at the bottom of the equipment HMI control system. A press control system is arranged at the top of the equipment HMI control system, supporting foot pads are arranged at the bottom of the equipment hood framework, a galvanic pile transverse moving mechanism is arranged in the equipment hood framework, a galvanic pile supporting bottom plate is arranged at the top of the galvanic pile transverse moving mechanism, and a galvanic pile stacking tool is arranged at the top of the galvanic pile supporting bottom plate; the electric pile press mechanism is arranged at the top of the equipment hood framework, and the control system is adopted to control other mechanisms, so that the operation is more convenient, the labor intensity of workers is reduced, the working efficiency is improved, the whole structure is clean and pollution-free, and the environment is effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel cell stacks, and in particular to a fuel cell stack press-assembly device. Background Art

[0002] According to a device disclosed in Chinese patent number CN106252698B, a fuel cell stack is stacked by pressurizing a separator component including a membrane electrode assembly (MEA) sheet component, in which a gas diffusion layer is respectively bonded to two surfaces of the MEA. The device includes a component alignment unit, which is connected to the end end of the component conveying path of a conveyor to align the separator component and the MEA sheet component conveyed by the conveyor to a predetermined position. The component stacking unit is installed on the component alignment unit side and is configured to grab the separator component and the MEA sheet component and stack these components on a stacking guide. The component pressurizing unit is installed on the upper side of the conveying path of the conveying stacking guide and is configured to pressurize the separator component and the MEA sheet component stacked on the stacking guide.

[0003] The above-mentioned comparative documents and prior art have the following technical problems: The existing fuel cell stack, as the core part of a hydrogen fuel cell, is composed of two or more single cells and other necessary structural parts, including: polar plates, current collecting plates, end plates, seals, etc. The structure of a fuel cell stack can be represented by alternating layers of bipolar plates and membrane electrodes, with seals embedded between each unit for sealing between fluids and to the outside. The ends are provided with current collecting plates for current output. After the front and rear end plates are pressed together, they are assembled and fixed with screws or straps to form a fuel cell stack. During the production process of the stack, the neatness of the stacking of components such as end plates, bipolar plates, and membrane electrodes is crucial. At the same time, the pressure control accuracy during the pressing process is also a guarantee of product quality. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a fuel cell stack press assembly device.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a fuel cell stack stacking and pressing device, comprising an equipment hood frame, an alarm is provided at one end of the top of the equipment hood frame, an equipment HMI control system is provided on the side front of the equipment hood frame, a button switch is provided at the bottom of the equipment HMI control system, a press control system is provided on the top of the equipment HMI control system, a supporting foot is provided at the bottom of the equipment hood frame, a stack transverse movement mechanism is provided inside the equipment hood frame, a stack support base plate is provided on the top of the stack support base plate, a stack stacking tool is provided on the top of the equipment hood frame, and a stack press mechanism is provided on the top of the equipment hood frame.

[0006] Preferably, the four sides of the equipment hood frame are hollowed out, a notch is provided on the top of the equipment hood frame, an alarm is provided on one side of the notch, and the equipment HMI control system and the battery stack transverse movement mechanism, as well as the press control system and the battery stack press mechanism are electrically connected.

[0007] Preferably, the stack transverse movement mechanism includes a transverse movement frame, a guide rail slider assembly is provided on the top of the transverse movement frame, a ball screw assembly is provided inside the transverse movement frame, a drive motor is provided at one end of the ball screw assembly, a press-fit positioning mechanism is provided at the other end of the ball screw assembly, and a transverse movement platform is provided on the top of the guide rail slider assembly.

[0008] Preferably, stop blocks are provided at both ends of the top of the transverse frame, a connecting slide is provided at the top of the transverse platform, the transverse platform and the guide rail slider assembly are connected through a connecting slide, the length of the guide rail slider assembly is consistent with the transverse frame, and a protective shell is provided on the outside of the transverse frame.

[0009] Preferably, the stack support base plate includes a tooling base plate, a tooling sliding assembly is provided on the top of the tooling base plate, lifting rings are provided on both sides of the tooling sliding assembly, a tooling lifting assembly is provided on the inner side of the top of the tooling sliding assembly, and a stack base plate positioning block is provided on the inner side of the tooling sliding assembly.

[0010] Preferably, the battery stack press mechanism includes a press electric cylinder, a pressure sensor is provided at the bottom of the press electric cylinder, a press drive motor reducer assembly is provided at the top of the press electric cylinder, press guide rods are provided on both sides of the press electric cylinder, and a press head assembly is provided at the bottom of the press guide rod.

[0011] Preferably, a support frame is provided on the outside of the battery stack press mechanism, a support plate is provided on the top of the support frame, a press electric cylinder is provided on the top of the support plate, a press head assembly is provided on the bottom of the support plate, the press electric cylinder passes through the support plate to the press head assembly, a connecting plate is provided on the top of the press electric cylinder, and a press drive motor reducer assembly is provided on the bottom of the connecting plate.

[0012] Beneficial effects

[0013] In the utility model, a control system, a battery stack support base plate, a battery stack transverse movement mechanism, and a battery stack press mechanism are adopted, which can neatly stack the battery stacks and smoothly perform the pressing action. At the same time, the tooling is always kept close to the product during the pressing and shrinking process to avoid tilting. The zoning of the stacking and pressing areas is more convenient for the lifting operation of the product stack, making the operation more convenient, reducing the intensity of manual labor, improving work efficiency, and the overall structure is clean and pollution-free, effectively protecting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an axonometric drawing of the present utility model;

[0015] Figure 2 It is a front view of the utility model;

[0016] Figure 3 It is a left view of the utility model;

[0017] Figure 4 This is an axonometric diagram of the stack transverse movement mechanism of the utility model;

[0018] Figure 5 This is an axonometric view of the stacked workpieces of the utility model;

[0019] Figure 6 This is a top view of the stack support base plate of the utility model;

[0020] Figure 7 It is a front view of the battery stack press mechanism of the present utility model.

[0021] Legend:

[0022] 1. Equipment hood frame; 2. Alarm; 3. Equipment HMI control system; 4. Push button switch; 5. Press control system; 6. Support pad; 7. Battery stack transverse movement mechanism; 701. Transverse movement frame; 702. Guide rail slider assembly; 703. Ball screw assembly; 704. Drive motor; 705. Pressing position positioning mechanism; 706. Transverse movement platform; 8. Battery stack support base plate; 801. Tooling base plate; 802. Tooling sliding assembly; 803. Lifting ring; 804. Tooling lifting assembly; 805. Battery stack base plate support block; 9. Battery stack stacking workpiece; 10. Battery stack press mechanism; 1001. Press electric cylinder; 1002. Press drive motor reducer assembly; 1003. Press guide rod; 1004. Pressure sensor; 1005. Press head assembly. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments and drawings. However, the following embodiments are only preferred embodiments of the present invention and are not exhaustive. Based on the embodiments in the implementation manner, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0024] The specific embodiments of the present utility model are described below with reference to the accompanying drawings. Specific embodiment one:

[0026] Reference Figure 1-7The utility model provides a fuel cell stack press-assembly device, including a device hood frame 1, the four sides of the device hood frame 1 are hollowed out, a notch is provided on the top of the device hood frame 1, an alarm 2 is provided on one side of the notch, a device HMI control system 3 is provided on the side front of the device hood frame 1, a button switch 4 is provided at the bottom of the device HMI control system 3, a press control system 5 is provided on the top of the device HMI control system 3, a supporting foot 6 is provided at the bottom of the device hood frame 1, a stack transverse movement mechanism 7 is provided inside the device hood frame 1, and the stack transverse movement mechanism 7 includes a transverse movement frame 701, a guide rail slider assembly 702 is provided on the top of the transverse movement frame 701, a ball screw assembly 703 is provided inside the transverse movement frame 701, and the ball screw assembly 7 One end of 03 is provided with a driving motor 704, the other end of the large ball screw assembly 703 is provided with a press-fitting positioning mechanism 705, the top of the guide rail slider assembly 702 is provided with a transverse platform 706, the top two ends of the transverse frame 701 are provided with blocks, the top of the transverse platform 706 is provided with a connecting slide, the transverse platform 706 and the guide rail slider assembly 702 are connected by a connecting slide, the length of the guide rail slider assembly 702 is consistent with the transverse frame 701, the outside of the transverse frame 701 is provided with a protective shell, the top of the stack transverse mechanism 7 is provided with a stack support base plate 8, the stack support base plate 8 includes a tooling base plate 801, the top of the tooling base plate 801 is provided with a tooling sliding assembly 802, and both sides of the tooling sliding assembly 802 are provided with lifting rings 803. The top inner side of the sliding assembly 802 is provided with a tooling lifting assembly 804, the inner side of the tooling sliding assembly 802 is provided with a stack bottom plate positioning block 805, and the stack support bottom plate 8 is provided with a lifting ring 803, which is convenient for replacing the tooling as a whole and producing products of different specifications. The tooling sliding assembly 802 is provided with three sliding assemblies, which slide smoothly in the form of a guide rail slider, so that the tooling reference bars at eight points on the four sides can slide outward, so that the lower end plate of the stack can be put in place, and the whole stack can be taken out smoothly after the pressing is completed. The tooling reference bar lifting assembly and the stack bottom plate positioning block fix the lower end plate in place, so that all components can have an effective positioning reference during the stacking process, and the tooling can be lowered together during the compression process of the press to avoid interference. The top of the stack support bottom plate 8 is provided with a stack stack Workpiece 9, a battery press mechanism 10 is provided on the top of the equipment cover frame 1, and the battery press mechanism 10 includes a press cylinder 1001, a pressure sensor 1004 is provided at the bottom of the press cylinder 1001, a press drive motor reducer assembly 1002 is provided on the top of the press cylinder 1001, press guide rods 1003 are provided on both sides of the press cylinder 1001, and a press head assembly 1005 is provided at the bottom of the press guide rod 1003. A support frame is provided on the outside of the battery press mechanism 10, a support plate is provided on the top of the support frame, a press cylinder 1001 is provided on the top of the support plate, a press head assembly 1005 is provided at the bottom of the support plate, the press cylinder 1001 passes through the support plate to the press head assembly 1005, and a connecting plate is provided on the top of the press cylinder 1001.A press drive motor reducer assembly 1002 is provided at the bottom of the connecting plate. The press control system 5 controls the press drive motor reducer assembly 1002, press electric cylinder 1001, press guide rod 1003, high-precision pressure sensor 1004, press head assembly 1005, etc. on the battery stack press mechanism 10, mainly providing power for the press, so that the battery stack is smoothly compressed to a specified height or specified pressure under precisely controlled pressure. The equipment HMI control system 3 and the battery stack transverse movement mechanism 7, as well as the press control system 5 and the battery stack press mechanism 10, are electrically connected. By adopting the above device, the advantage of the utility model is that the battery stack can be neatly stacked and the pressing action can be performed smoothly. At the same time, during the pressing and shrinking process, the tooling is always kept close to the product to avoid tilting. The zoning of the stacking and pressing areas makes it more convenient for the hoisting operation of the product stack, making the operation more convenient, reducing the labor intensity, and improving the work efficiency. The overall structure is clean and pollution-free, effectively protecting the environment. Specific embodiment two:

[0028] Reference Figure 1 , a positioning block is installed on the top of the battery stack supporting base plate 8, and a fixing rod is fixed on the top of the inner cavity of the battery stack supporting base plate 8. A U-shaped plate is installed on the surface of the fixing rod, and the top of the U-shaped plate extends to the inside of the positioning block. A bolt is threaded on the surface of the U-shaped plate, and one end of the bolt is movably connected to a clamping block through a bearing. One side of the clamping block extends to the inside of the fixing rod. Through the fixing rod, U-shaped plate, bolt and clamping block, battery stack bodies of different sizes can be pressed together conveniently, which solves the problem of misalignment during the assembly of the battery stack, and the need to replace different clamps when assembling different battery stacks is not only time-consuming and labor-intensive, but also reduces work efficiency.

[0029] In summary:

[0030] 1. The use of the stack support base plate 8 makes it possible to easily replace the tooling with the lifting ring 803 on the stack support base plate 8 to produce products of different specifications. The tooling sliding assembly 802 adopts a guide rail slider to slide smoothly, so that the tooling reference bars at eight points on the four sides can slide outward, so that the lower end plate of the stack can be placed in place, and the entire stack can be smoothly removed after the press is completed. The tooling reference bar lifting assembly and the stack lower end plate positioning block fix the lower end plate in place, so that all components can have an effective positioning reference during the stacking process, and the tooling can be lowered together during the compression process of the press to avoid interference;

[0031] 2. The stack transverse movement mechanism 7 is used to control the stack transverse movement mechanism 7 through the equipment HMI control system 3, so that the stack tooling and the stack can be moved between the pressing area and the stacking area, which facilitates the stacking and lifting of products off the production line after the pressing is completed;

[0032] 3. The stack press mechanism 10 is adopted to realize the control of the press control system 5 by controlling the press drive motor reducer assembly 1002, press electric cylinder 1001, press guide rod 1003, high-precision pressure sensor 1004, press head assembly 1005, etc. on the stack press mechanism 10, mainly providing power for the press, so that the stack can be smoothly compressed to a specified height or specified pressure under precisely controlled pressure.

[0033] 4. The control system is used to control other mechanisms, making the operation more convenient, reducing labor intensity, improving work efficiency, and making the overall structure clean and pollution-free, effectively protecting the environment.

[0034] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0035] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A fuel cell stack press assembly device, comprising a device hood frame (1), characterized in that: An alarm (2) is provided at one end of the top of the equipment hood frame (1), an equipment HMI control system (3) is provided on the side front of the equipment hood frame (1), a button switch (4) is provided at the bottom of the equipment HMI control system (3), a press control system (5) is provided on the top of the equipment HMI control system (3), a support foot (6) is provided at the bottom of the equipment hood frame (1), a stack transverse movement mechanism (7) is provided inside the equipment hood frame (1), a stack support base plate (8) is provided on the top of the stack support base plate (8), and a support foot (6) is provided on the top of the stack support base plate (8). A stacking tool (9) is provided. A stack pressing mechanism (10) is provided on the top of the equipment cover frame (1). The stack transverse movement mechanism (7) includes a transverse movement frame (701). A guide rail slider assembly (702) is provided on the top of the transverse movement frame (701). A ball screw assembly (703) is provided inside the transverse movement frame (701). A driving motor (704) is provided at one end of the ball screw assembly (703). A press-fitting positioning mechanism (705) is provided at the other end of the ball screw assembly (703). A transverse movement platform (706) is provided on the top of the guide rail slider assembly (702).

2. The fuel cell stack press assembly device according to claim 1, characterized in that: The four sides of the equipment hood frame (1) are hollowed out, the top of the equipment hood frame (1) is provided with a notch, one side of the notch is provided with an alarm (2), and the equipment HMI control system (3) and the battery stack transverse movement mechanism (7) as well as the press control system (5) and the battery stack press mechanism (10) are electrically connected.

3. The fuel cell stack press assembly device according to claim 2, characterized in that: Stop blocks are provided at both ends of the top of the transverse frame (701), a connecting slide is provided at the top of the transverse platform (706), the transverse platform (706) is connected to the guide rail slider assembly (702) via the connecting slide, the length of the guide rail slider assembly (702) is consistent with that of the transverse frame (701), and a protective shell is provided on the outside of the transverse frame (701).

4. The fuel cell stack press assembly device according to claim 1, characterized in that: The stack support base plate (8) comprises a tooling base plate (801), a tooling sliding assembly (802) is provided on the top of the tooling base plate (801), lifting rings (803) are provided on both sides of the tooling sliding assembly (802), a tooling lifting assembly (804) is provided on the inner side of the top of the tooling sliding assembly (802), and a stack base plate positioning block (805) is provided on the inner side of the tooling sliding assembly (802).

5. The fuel cell stack press assembly device according to claim 1, characterized in that: The stack press mechanism (10) comprises a press cylinder (1001), a pressure sensor (1004) is provided at the bottom of the press cylinder (1001), a press drive motor reducer assembly (1002) is provided at the top of the press cylinder (1001), press guide rods (1003) are provided on both sides of the press cylinder (1001), and a press head assembly (1005) is provided at the bottom of the press guide rods (1003).

6. The fuel cell stack press assembly equipment according to claim 5, characterized in that: A support frame is provided on the outside of the battery stack press mechanism (10), a support plate is provided on the top of the support frame, a press electric cylinder (1001) is provided on the top of the support plate, a press head assembly (1005) is provided on the bottom of the support plate, the press electric cylinder (1001) passes through the support plate to the press head assembly (1005), a connecting plate is provided on the top of the press electric cylinder (1001), and a press drive motor reducer assembly (1002) is provided on the bottom of the connecting plate.

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