CN220873637U - Automatic stacking device for fuel cell stack - Google Patents

Abstract

The utility model discloses an automatic fuel cell stack stacking device, which is characterized in that a first translation mechanism can drive a detection carrying platform to move along a first direction, the detection carrying platform is used for carrying a workpiece to be detected, first cameras are distributed above the first translation mechanism at intervals along the height direction of a workbench, lenses of the first cameras vertically face down to the first translation mechanism along the height direction of the workbench, and the first direction is vertical to the height direction of the workbench; the lens of the second camera is vertically upwards along the height direction of the workbench; the first suction structure is connected to the output end of the first mechanical arm, and the first mechanical arm can drive the first suction structure to move, so that the first suction structure can suck the workpiece to be detected on the detection carrier, and the workpiece to be detected can be suspended above the second camera. The precision of detecting the bipolar plate and the membrane electrode can be improved, and the efficiency of detecting the workpiece to be detected can be improved, so that the working efficiency of stacking the fuel cell stack is improved.

Description

Automatic stacking device for fuel cell stack

Technical Field

The utility model relates to the technical field of fuel cells, in particular to an automatic stacking device for fuel cell stacks.

Background

The hydrogen fuel cell is formed by alternately stacking and combining bipolar plates and membrane electrodes, and is an energy conversion device for directly converting chemical energy into electric energy. The pure hydrogen is used as the fuel of the fuel cell, the reaction product is only water, zero pollution emission can be realized, and the fuel cell has the characteristics of low noise and high efficiency, so the fuel cell is widely applied.

For stacking and assembling the bipolar plates and the membrane electrodes, in order to avoid the problems that the efficiency of manually stacking the bipolar plates and the membrane electrodes is low, the adjustment of the bipolar plates and the membrane electrodes is difficult, the stacking precision is low, the bipolar plates and the membrane electrodes are easy to scratch or even damage, and the like, an automatic stacking device is generally adopted to stack the bipolar plates and the membrane electrodes at present. The automatic stacking device in the prior art mainly comprises a bipolar plate and membrane electrode bin, a detection device for detecting the bipolar plate and the membrane electrode, a mechanical arm for moving the bipolar plate and the membrane electrode to stack, a suction structure and the like, and can realize detection and automatic stacking of the bipolar plate and the membrane electrode. However, the automatic stacking device has low detection precision on the bipolar plates and the membrane electrodes, so that the fuel cell stack formed by stacking cannot pass through the subsequent quality inspection, or has defects in the subsequent application and even cannot be used.

Disclosure of utility model

The utility model aims to provide an automatic stacking device for a fuel cell stack, which solves the problems that the automatic stacking device in the prior art has low detection precision on bipolar plates and membrane electrodes, so that the fuel cell stack formed by stacking has defects or even cannot be used in subsequent quality inspection or application.

To achieve the purpose, the utility model adopts the following technical scheme:

an automatic stacking apparatus of a fuel cell stack, comprising:

The first detection device comprises a first camera and a first translation mechanism which are arranged on a workbench, and a detection carrying platform which is arranged at the output end of the first translation mechanism, wherein the first translation mechanism can drive the detection carrying platform to move along a first direction, the detection carrying platform is used for carrying a workpiece to be detected, the first camera is distributed above the first translation mechanism at intervals along the height direction of the workbench, a lens of the first camera faces the first translation mechanism vertically downwards along the height direction of the workbench, and the first direction is perpendicular to the height direction of the workbench;

The second detection device comprises a second camera arranged on the workbench, and a lens of the second camera is vertically upwards along the height direction of the workbench;

The first mechanical arm can drive the first suction structure to move, so that the first suction structure can suck the workpiece to be detected on the detection carrier, and the workpiece to be detected can be suspended above the second camera.

As a preferable mode of the fuel cell stack automatic stacking device, the first detecting device further comprises a first bracket and a first main light source, the first bracket is detachably connected to the workbench, and the first main light source and the first camera are arranged at intervals and are detachably connected to the first bracket.

As a preferable mode of the automatic stacking device for fuel cell stacks, the first bracket is provided with a plurality of first elongated holes, the first camera is detachably connected to the first bracket through one of the first elongated holes, and the first main light source is detachably connected to the first bracket through the other of the first elongated holes.

As a preferable mode of the automatic stacking device for fuel cell stacks, the number of the first detecting devices is two, the two first detecting devices are distributed on the workbench at intervals, and the second detecting device is distributed between the two first detecting devices.

As a preferred scheme of the fuel cell stack automatic stacking device, the fuel cell stack automatic stacking device further comprises a second suction structure, a bipolar plate material bin device, a membrane electrode bin device and a second mechanical arm, wherein the bipolar plate material bin device, the membrane electrode bin device and the second mechanical arm are arranged on the workbench, the second suction structure is connected to the output end of the second mechanical arm, and the second mechanical arm can drive the second suction structure to move so that the second suction structure can suck bipolar plates in the bipolar plate material bin device and can suck membrane electrodes and isolation paper in the membrane electrode bin device.

As a preferred scheme of the automatic stacking device for fuel cell stacks, the bipolar plate bin device comprises a first lifting mechanism arranged on the workbench, a bipolar plate carrying table arranged at the output end of the first lifting mechanism, and a first position sensor arranged above the workbench, wherein the first lifting mechanism can drive the bipolar plate carrying table to lift along the height direction of the workbench, and the first position sensor is used for monitoring the height of the bipolar plate on the bipolar plate carrying table.

As a preferred scheme of the fuel cell stack automatic stacking device, the membrane electrode bin device comprises a second lifting mechanism arranged on the workbench, a membrane electrode carrying platform arranged at the output end of the second lifting mechanism, a second position sensor arranged above the workbench and a separation paper carrying platform fixedly arranged on the workbench, wherein the membrane electrode carrying platform and the separation paper carrying platform are distributed at intervals, the second lifting mechanism can drive the membrane electrode carrying platform to lift along the height direction of the workbench, and the second position sensor is used for monitoring the height of a membrane electrode on the membrane electrode carrying platform.

As a preferred scheme of the automatic fuel cell stack stacking device, the automatic fuel cell stack stacking device further comprises a stacking device, the stacking device comprises a third translation mechanism arranged on the workbench, and a stacking carrier arranged at the output end of the third translation mechanism, the third translation mechanism can drive the stacking carrier to move along a second direction, and the second direction is perpendicular to the height direction of the workbench.

As a preferable mode of the automatic stacking device for fuel cell stacks, the number of the stacking devices is plural, and the stacking devices are distributed on the workbench at intervals.

As a preferable mode of the automatic stacking device for fuel cell stacks, the first detecting device, the bipolar plate material bin device, the membrane electrode bin device and the stacking device are distributed at intervals along the circumferential direction of the workbench, the first mechanical arms are distributed at intervals with the workbench, and the second mechanical arms are distributed in the middle area of the workbench.

The utility model has the beneficial effects that:

The utility model aims to provide an automatic stacking device of a fuel cell stack, which comprises a first monitoring device, a second monitoring device, a first mechanical arm and a first suction structure, wherein when a workpiece to be detected is detected, the workpiece to be detected is placed on a detection carrying platform, the first translation mechanism drives the workpiece to be detected on the detection carrying platform to move along a first direction, when the workpiece to be detected is moved to the position right below a first camera, the first camera photographs the first surface of the workpiece to be detected, detects whether the first surface of the workpiece to be detected has defects such as scratch, breakage and the like, and when the photographing of the first surface of the workpiece to be detected is completed, the workpiece to be detected is driven to continue to move to a first setting position along the first direction or move to a position where the first suction structure is convenient to suck the workpiece to be detected, then the first suction structure is driven to move by the first mechanical arm, so that the first suction structure sucks the workpiece to be detected, it can be understood that the first suction structure sucks the first surface of the workpiece to be detected, other surfaces on the workpiece to be detected are all suspended, the first mechanical arm drives the workpiece to be detected to move to the position right above the second camera, the other surface to be detected on the workpiece to be detected is suspended above the second camera, the second camera shoots the other surface of the workpiece to be detected, whether the other surface of the workpiece to be detected has defects such as scratches, even damages and the like is detected, so that the precision of the workpiece to be detected can be effectively improved, wherein for the fuel cell stack, the workpiece to be detected is a bipolar plate and a membrane electrode, so that the precision of detecting the bipolar plate and the membrane electrode can be effectively improved, therefore, the qualification rate and the service performance of the fuel cell stack formed by subsequent stacking can be effectively improved; secondly, set up first translation mechanism and drive the work piece that waits to detect and remove to take a photograph under the first camera and detect to and set up first arm and drive and wait to detect the work piece and hang and wait to detect directly over the second camera, can effectively promote the efficiency that wait to detect the work piece, thereby promoted the work efficiency that stacks the fuel cell stack through this fuel cell stack automatic stacking device.

Drawings

Fig. 1 is a schematic view of a part of an automatic stacking apparatus for fuel cell stacks according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a first detecting device of the automatic stacking device of the fuel cell stack according to the embodiment of the present utility model;

fig. 3 is a schematic structural view of a second detecting device of the automatic stacking device of the fuel cell stack according to the embodiment of the present utility model;

Fig. 4 is a schematic diagram of a part of an automatic stacking apparatus for fuel cell stacks according to an embodiment of the present utility model;

Fig. 5 is a schematic structural view of a bipolar plate magazine device of an automatic stacking device for fuel cell stacks according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a membrane electrode cartridge device of an automatic stacking device for fuel cell stacks according to an embodiment of the present utility model;

Fig. 7 is a schematic structural view of a second suction structure of the automatic stacking device for fuel cell stacks according to the embodiment of the present utility model along a first view angle;

Fig. 8 is a schematic structural view of a second suction structure of the automatic stacking device for fuel cell stacks according to the embodiment of the present utility model along a second view angle;

Fig. 9 is a schematic structural view of a second suction structure of the automatic stacking device for fuel cell stacks according to the embodiment of the present utility model along a third view angle;

fig. 10 is a schematic structural view of an automatic stacking device for fuel cell stacks according to an embodiment of the present utility model.

In the figure:

1. A first detection device; 11. a first camera; 12. a first translation mechanism; 13. detecting a carrying platform; 14. a first bracket; 141. a first elongated aperture; 15. a first primary light source; 16. an auxiliary light source;

2. A second detection device; 21. a second camera; 22. a second bracket; 221. a second elongated aperture; 23. a second primary light source;

3. A first mechanical arm;

4. a first suction structure;

5. A second suction structure; 51. a fixing frame; 511. a vacuum suction port; 52. a first connection frame; 53. a second connecting frame; 54. a lifting cylinder; 55. a first suction nozzle; 56. a second suction nozzle;

6. Bipolar plate bin means; 61. a first lifting mechanism; 611. a first motor; 612. a first roller screw assembly; 62. a bipolar plate carrier; 63. a first position sensor; 64. a first limiting member;

7. A membrane electrode material bin device; 71. a second lifting mechanism; 711. a second motor; 712. a second roller screw assembly; 72. a membrane electrode carrier; 73. a second position sensor; 74. a release paper carrier; 75. a second limiting piece; 76. a third limiting member;

8. A second mechanical arm;

9. Stacking means; 91. a third translation mechanism; 92. stacking the carrier;

10. A work table;

110. A waste carrier;

120. And (5) a fence.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model provides an automatic fuel cell stack stacking device, as shown in fig. 1-3, which comprises a first monitoring device, a second monitoring device, a first mechanical arm 3 and a first suction structure 4, wherein the first detection device 1 comprises a first camera 11 and a first translation mechanism 12 which are arranged on a workbench 10, and a detection carrying platform 13 which is arranged at the output end of the first translation mechanism 12, the first translation mechanism 12 can drive the detection carrying platform 13 to move along a first direction, the detection carrying platform 13 is used for carrying a workpiece to be detected, the first camera 11 is distributed above the first translation mechanism 12 at intervals along the height direction of the workbench 10, a lens of the first camera 11 faces downwards to the first translation mechanism 12 vertically along the height direction of the workbench 10, and the first direction is perpendicular to the height direction of the workbench 10; the second detection device 2 comprises a second camera 21 arranged on the workbench 10, and a lens of the second camera 21 is vertically upwards along the height direction of the workbench 10; the first suction structure 4 is connected to the output end of the first mechanical arm 3, and the first mechanical arm 3 can drive the first suction structure 4 to move, so that the first suction structure 4 can suck the workpiece to be detected on the detection carrier 13, and the workpiece to be detected can be suspended above the second camera 21.

Specifically, as shown in fig. 1-3, when detecting a workpiece to be detected, the workpiece to be detected is placed on the detection carrying platform 13, the first translation mechanism 12 drives the workpiece to be detected on the detection carrying platform 13 to move along a first direction, when the workpiece to be detected is moved to the position right below the first camera 11, the first camera 11 photographs the first surface of the workpiece to be detected, whether the first surface of the workpiece to be detected has scratches or even defects such as breakage, after photographing the first surface of the workpiece to be detected is completed, the workpiece to be detected is driven to continue to move to a first set position or to a position where the first suction structure 4 is convenient to suck the workpiece to be detected, and then the first suction structure 4 is driven to move through the first mechanical arm 3, so that the first suction structure 4 sucks the first surface of the workpiece to be detected; secondly, set up first translation mechanism 12 and drive the work piece that waits to detect and remove to take a picture under the first camera 11 and detect to and set up first arm 3 and drive the work piece that waits to detect and hang and wait to detect in the work piece that waits to detect directly over the second camera 21, can effectively promote the efficiency that waits to detect the work piece, thereby promoted the work efficiency that stacks the fuel cell stack through this fuel cell stack automatic stacking device.

Specifically, when the workpiece to be detected is a bipolar plate, the other surface of the workpiece to be detected is a second surface which is distributed at intervals with the first surface, namely the first surface and the second surface are two larger side surfaces on the bipolar plate; when the workpiece to be detected is a membrane electrode, the other surface of the workpiece to be detected is a second surface which is distributed with the first surface at intervals, namely the first surface and the second surface are two larger side surfaces on the membrane electrode. It will be appreciated that, with this arrangement, the other four circumferential sides on the bipolar plate can also be detected, as well as the other four circumferential sides on the membrane electrode.

Specifically, as shown in fig. 4, the fuel cell stack automatic stacking apparatus further includes a scrap stage 110 provided to the work table 10. When detecting that the surface of the bipolar plate or the membrane electrode has defects such as scratch, even breakage and the like, the first mechanical arm 3 drives the first sucking structure 4 to suck the bipolar plate or the membrane electrode with the defects to move the position of the waste carrying platform 110, and stacks the bipolar plate or the membrane electrode with the defects on the waste carrying platform 110.

Specifically, in the present embodiment, the first translation mechanism 12 is a single-axis mechanical arm. In other embodiments, the first translation mechanism 12 may be configured to be composed of an electric push rod, a sliding table, and the like, and may be capable of driving the detection stage 13 to translate along the first direction.

Specifically, in the present embodiment, the first mechanical arm 3 is a six-axis mechanical arm. The first mechanical arm 3 is a six-axis mechanical arm, so that the first suction structure 4 can be driven to accurately move to an expected position. Specifically, after the workpiece to be detected is detected, the first mechanical arm 3 drives the bipolar plate or the membrane electrode without defects to be stacked to form a fuel cell stack, and drives the bipolar plate or the membrane electrode with defects to be stacked on the waste carrying platform 110, so that the stacking precision of the bipolar plate and the membrane electrode to be stacked to form the fuel cell stack can be effectively improved.

As shown in fig. 1 and 2, the first detection device 1 further includes a first support 14 and a first main light source 15, the first support 14 is detachably connected to the workbench 10, and the first main light source 15 and the first camera 11 are disposed at intervals and are both detachably connected to the first support 14. The first main light source 15 can polish the workpiece to be detected on the detection carrier 13, so that the definition of the picture shot by the first camera 11 can be improved, and the precision of detecting whether the workpiece to be detected is scratched or damaged is further improved.

Preferably, in the present embodiment, as shown in fig. 2, the first main light source 15 is annular and provided with a first central hole, the first main light source 15 is distributed on the first camera 11 and the first translation mechanism 12, and the first camera 11 is distributed directly above the first central hole. By this arrangement, the sharpness of the picture taken by the first camera 11 can be further improved.

Optionally, as shown in fig. 1 and 2, the first detection device 1 further includes an auxiliary light source 16 detachably connected to the first support 14, the auxiliary light source 16 is located between the first main light source 15 and the first translation mechanism 12, and the auxiliary light source 16 is provided with a second central hole having a central axis identical to the first central hole. By this arrangement, the sharpness of the picture taken by the first camera 11 can be further improved. Preferably, the light emitting area of the auxiliary light source 16 is larger than the light emitting area of the first main light source 15.

Specifically, as shown in fig. 1 and 2, the first bracket 14 is provided with a plurality of first elongated holes 141, the first camera 11 is detachably connected to the first bracket 14 through one of the first elongated holes 141, and the first main light source 15 is detachably connected to the first bracket 14 through the other first elongated hole 141. The auxiliary light source 16 is detachably connected to the first bracket 14 through another first elongated hole 141. So set up, can be according to the interval between first camera 11 of the adaptive regulation of operating mode demand and the first translation mechanism 12, adjust the interval between first main light source 15 and the first translation mechanism 12, also can adjust the interval between auxiliary light source 16 and the first translation mechanism 12 to the definition of the picture that first camera 11 took is further promoted.

As shown in fig. 1, 3 and 4, the second detecting device 2 further includes a second support 22 and a second main light source 23, the second support 22 is detachably connected to the workbench 10, and the second main light source 23 and the second camera 21 are disposed at intervals and are both detachably connected to the second support 22. The second main light source 23 can polish the workpiece to be detected, so that the definition of the picture shot by the second camera 21 can be improved, and the precision of detecting whether the workpiece to be detected is scratched or damaged is further improved.

Preferably, as shown in fig. 3, in the present embodiment, the second main light source 23 is annular and is provided with a third central hole, the second main light source 23 is far away from the workbench 10 relative to the second camera 21, and the second camera 21 is distributed directly below the third central hole. By this arrangement, the sharpness of the picture taken by the second camera 21 can be further improved.

Specifically, as shown in fig. 1, 3 and 4, the second bracket 22 is provided with a plurality of second elongated holes 221, the second camera 21 is detachably connected to the second bracket 22 through one of the second elongated holes 221, and the second main light source 23 is detachably connected to the second bracket 22 through the other second elongated hole 221. The height of the second camera 21 and the second main light source 23 can be adjusted according to the actual working condition demand, so that the first mechanical arm 3 can be conveniently moved to the position right above the second main light source 23.

Further specifically, in the present embodiment, as shown in fig. 1, 3 and 4, the number of the second supports 22, the second main light sources 23 and the second cameras 21 is two, the two second supports 22, the two second main light sources 23 and the two second cameras 21 are uniformly and correspondingly arranged, and the two second supports 22 are distributed at intervals. By the arrangement, the detection efficiency of the bipolar plate and the membrane electrode can be further improved.

As shown in fig. 1, the number of the first detecting devices 1 is two, the two first detecting devices 1 are distributed on the workbench 10 at intervals, and the second detecting device 2 is distributed between the two first detecting devices 1. Specifically, by setting the number of the first detecting devices 1 to be two, one of the two first detecting devices 1 is used for detecting the bipolar plate, and the other is used for detecting the membrane electrode, so that synchronous detection of the bipolar plate and the membrane electrode is realized, the detection efficiency is further improved, and the detected bipolar plate and the detected membrane electrode sequentially drive the first suction structure 4 to suck and move to the upper part of the second camera 21 through the first mechanical arm 3 for further detection; secondly, through setting up second detection device 2 and distributing between two first detection device 1, can reduce the movable range that first arm 3 drove first suction structure 4 and remove.

As shown in fig. 1 and fig. 5-9, the automatic stacking device for a fuel cell stack further includes a second suction structure 5, and a bipolar plate bin device 6, a membrane electrode bin device 7 and a second mechanical arm 8 which are disposed on the workbench 10, wherein the second suction structure 5 is connected to an output end of the second mechanical arm 8, and the second mechanical arm 8 can drive the second suction structure 5 to move, so that the second suction structure 5 can suck bipolar plates in the bipolar plate bin device 6, and can suck membrane electrodes and isolation papers in the membrane electrode bin device 7. Specifically, the second mechanical arm 8 drives the second sucking structure 5 to sequentially suck the bipolar plate in the bipolar plate bin device 6 and the membrane electrode and the isolation paper in the membrane electrode bin device 7, then the isolation paper is put on the isolation paper carrying platform 74, the bipolar plate is put on the detection carrying platform 13 of one of the first detection devices 1, and then the membrane electrode is put on the detection carrying platform 13 of the other first detection device 1, so that the bipolar plate, the membrane electrode and the isolation paper are put; secondly, it can be understood that the first mechanical arm 3 and the second mechanical arm 8 can operate synchronously, that is, the second mechanical arm 8 and the second suction structure 5 cooperate to suck the bipolar plate, the membrane electrode and the separation paper, and the first mechanical arm 3 and the first suction structure 4 cooperate to operate synchronously in the process of throwing the separation paper, so that the working efficiency of the fuel cell stack automatic stacking device can be further improved.

Specifically, as shown in fig. 1 and 4, the automatic stacking device for fuel cell stacks further includes a stacking device 9, where the stacking device 9 includes a third translation mechanism 91 disposed on the table 10, and a stacking stage 92 disposed at an output end of the third translation mechanism 91, and the third translation mechanism 91 can drive the stacking stage 92 to move along a second direction, and the second direction is perpendicular to the height direction of the table 10. Specifically, the membrane electrode and the bipolar plate are sequentially stacked on the stacking platform 92 to form a fuel cell stack after being detected by the first camera 11 and the second camera 21 through the cooperation of the first mechanical arm 3 and the first suction structure 4, and when the stacking number of the membrane electrode and the bipolar plate reaches the set number, the third translation mechanism 91 drives the stacked fuel cell stack to translate to the second set position, so that the stacked fuel cell stack is conveniently moved away from the workbench 10. Specifically, in the present embodiment, the first direction is parallel to the second direction.

More specifically, the stacking devices 9 are plural in number, and the plural stacking devices 9 are distributed at intervals on the table 10. As shown in fig. 1 and 4, in the present embodiment, the number of stacking devices 9 is preferably two, and when the number of stacked membrane electrodes and bipolar plates on one stacking platform 92 reaches the set number, a corresponding third translation mechanism 91 drives the stacked fuel cell stack to translate to the second set position, and at the same time, stacks the membrane electrodes and bipolar plates on the other stacking platform 92, so that the working efficiency of the automatic stacking device of the fuel cell stack can be further improved.

Further specifically, in the present embodiment, the third translation mechanism 91 is a single-axis mechanical arm. In other embodiments, the third translation mechanism 91 may be configured to be composed of an electric push rod, a sliding table, and the like, and may be capable of driving the stacking platform 92 to translate along the second direction.

As shown in fig. 1 and 5, the bipolar plate bin device 6 includes a first lifting mechanism 61 disposed on the workbench 10, a bipolar plate carrier 62 disposed at an output end of the first lifting mechanism 61, and a first position sensor 63 disposed above the workbench 10, where the first lifting mechanism 61 can drive the bipolar plate carrier 62 to lift along a height direction of the workbench 10, and the first position sensor 63 is used for monitoring a height of the bipolar plate on the bipolar plate carrier 62. Specifically, the height of the bipolar plate is monitored in real time through the first position sensor 63, and when the height position of the bipolar plate is not at the set height position, the first lifting mechanism 61 drives the bipolar plate carrier 62 and the bipolar plate on the bipolar plate carrier 62 to synchronously lift, so that the height position of the bipolar plate is always at the set height position, and the second mechanical arm 8 and the second suction structure 5 are matched to suction the bipolar plate conveniently.

Optionally, as shown in fig. 1 and 5, the bipolar plate magazine apparatus 6 further includes a plurality of first stoppers 64 disposed on the table 10, and the plurality of first stoppers 64 are spaced apart from the outer side of the bipolar plate carrier 62 along the circumferential direction of the bipolar plate carrier 62. With this arrangement, the positions of the bipolar plates stacked on the bipolar plate stage 62 can be defined, and the occurrence of the bipolar plate dislocation due to the first elevating mechanism 61 or an external force can be avoided. Specifically, in the present embodiment, the number of the first limiting members 64 is four, and the four first limiting members 64 are respectively distributed at four corners of the bipolar plate carrier 62.

In the present embodiment, the number of bipolar plate carriers 62 that can be stored on the bipolar plate carriers 62 ranges from 1 to 100. It will be appreciated that the range of bipolar plates that can be stored by the bipolar plate carrier 62 may also be adapted to the actual operating conditions.

Specifically, in the present embodiment, as shown in fig. 5, the first lifting mechanism 61 includes a first motor 611 and a first roller screw assembly 612, an output shaft of the first motor 611 is in driving connection with an input end of the first roller screw assembly 612, and an output end of the first roller screw assembly 612 is connected with the bipolar plate carrier 62. So as to drive the bipolar plate carrier 62 to lift along the height direction of the workbench 10. Preferably, the first motor 611 is a servo motor. In other embodiments, the first lifting mechanism 61 may be an air cylinder or the like, and may be capable of driving the bipolar plate carrier 62 to lift in the height direction of the table 10.

Specifically, the first elevating mechanism 61 is distributed within the table 10. The space can be saved and the aesthetic degree of the fuel cell stack automatic stacking device is improved.

As shown in fig. 1 and 6, the membrane electrode cartridge device 7 includes a second lifting mechanism 71 disposed on the workbench 10, a membrane electrode carrier 72 disposed at an output end of the second lifting mechanism 71, a second position sensor 73 disposed above the workbench 10, and a separator carrier 74 fixedly disposed on the workbench 10, wherein the membrane electrode carrier 72 and the separator carrier 74 are spaced apart, the second lifting mechanism 71 can drive the membrane electrode carrier 72 to lift along a height direction of the workbench 10, and the second position sensor 73 is used for monitoring a height of the membrane electrode on the membrane electrode carrier 72. Specifically, the height of the structure formed by sequentially stacking the membrane electrode and the isolation paper is monitored in real time through the second position sensor 73, when the height position of the structure formed by sequentially stacking the membrane electrode and the isolation paper is not at the set height position, the second lifting mechanism 71 drives the membrane electrode carrying platform 72 to synchronously lift with the structure formed by sequentially stacking the membrane electrode and the isolation paper, so that the height position of the structure formed by sequentially stacking the membrane electrode and the isolation paper is always at the set height position, and the second mechanical arm 8 and the second suction structure 5 can be matched to suck the membrane electrode and the isolation paper conveniently; after the second mechanical arm 8 and the second suction structure 5 cooperate to suck the membrane electrode and the release paper, the membrane electrode and the release paper are moved to the position right above the release paper carrier 74, and the release paper is put on the release paper carrier 74 by the second suction structure 5.

Specifically, as shown in fig. 1 and 6, the membrane electrode assembly 7 further includes a plurality of second stoppers 75 disposed on the worktable 10, and the plurality of second stoppers 75 are distributed on the outer side of the membrane electrode carrier 72 at intervals along the circumferential direction of the membrane electrode carrier 72; the membrane electrode assembly 7 further includes a plurality of third stoppers 76 disposed on the table 10, and the third stoppers 76 are spaced apart from the separator carrier 74 along the circumferential direction of the separator carrier 74. With this arrangement, the positions of the membrane electrode and the separator stacked on the membrane electrode carrier 72 can be defined, and the phenomenon of structural dislocation of the membrane electrode and the separator stacked due to the second elevating mechanism 71 or an external force can be avoided. Specifically, in the present embodiment, the number of the second limiting members 75 is four, and the four second limiting members 75 are respectively distributed at four corners of the membrane electrode carrier 72; the number of the third stoppers 76 is four, and the four third stoppers 76 are distributed at intervals along the circumferential direction of the separator table 74.

In the present embodiment, the number of structures formed of the membrane electrode and the separator paper that can be stored on the membrane electrode carrier 72 ranges from 1 to 100. It will be appreciated that the number of structures formed by the membrane electrode and the release paper on the membrane electrode carrier 72 can be adaptively adjusted according to the actual working conditions.

Specifically, in the present embodiment, as shown in fig. 6, the second lifting mechanism 71 includes a second motor 711 and a second roller screw assembly 712, an output shaft of the second motor 711 is in driving connection with an input end of the second roller screw assembly 712, and an output end of the second roller screw assembly 712 is connected with the membrane electrode carrier 72. So as to drive the membrane electrode carrier 72 to lift along the height direction of the workbench 10. Preferably, the second motor 711 is a servo motor. In other embodiments, the second lifting mechanism 71 may be an air cylinder or the like, and may be capable of driving the membrane electrode assembly carrier 72 to lift along the height direction of the table 10.

Specifically, the second elevating mechanism 71 is distributed within the table 10. The space can be further saved, and the aesthetic degree of the fuel cell stack automatic stacking device can be further improved.

As shown in fig. 1 and fig. 7-9, the second suction structure 5 includes a fixing frame 51, a first connecting frame 52 slidably disposed on the fixing frame 51, a second connecting frame 53 fixedly disposed on the fixing frame 51, and a lifting cylinder 54 fixedly disposed on the fixing frame 51, where the first connecting frame 52 is distributed between the fixing frame 51 and the second connecting frame 53 and is connected with an output end of the lifting cylinder 54, and the second connecting frame 53 is detachably connected with an output end of the first mechanical arm 3; the first connecting frame 52 is provided with a plurality of first suction nozzles 55 at intervals, the lifting cylinder 54 can drive the first connecting frame 52 to move so that the first suction nozzles 55 can penetrate through the fixing frame 51, and the first suction nozzles 55 are used for sucking bipolar plates; a plurality of vacuum suction openings 511 are arranged on the side wall of the fixed frame 51 far away from the first connecting frame 52 at intervals, and the vacuum suction openings 511 are used for sucking the membrane electrode; the two ends of the fixing frame 51 along the length direction are respectively provided with a plurality of second suction nozzles 56, the free ends of the second suction nozzles 56 are flush with the side wall of the fixing frame 51 far away from the first connecting frame 52, and the second suction nozzles 56 are used for sucking isolation paper. So set up to realize can adsorb bipolar plate, membrane electrode and release paper simultaneously through first suction structure 4, specifically, when absorbing bipolar plate, lift cylinder 54 drives first suction nozzle 55 and stretches out mount 51, when absorbing bipolar plate, lift cylinder 54 drives first suction nozzle 55 and bipolar plate synchronous translation for the free end of first suction nozzle 55 keeps away from the lateral wall parallel and level of first link 52 on with the mount 51, in order to guarantee that vacuum suction port 511 can absorb the membrane electrode, and second suction nozzle 56 can absorb the release paper.

Specifically, in the present embodiment, the first suction structure 4 is different from the second suction structure 5 in that: the first suction structure 4 is not provided with the second suction nozzle 56. And therefore will not be described in detail herein.

As shown in fig. 1 and fig. 4, the first detection device 1, the bipolar plate material bin device 6, the membrane electrode bin device 7 and the stacking device 9 are distributed at intervals along the circumferential direction of the workbench 10, the first mechanical arm 3 and the workbench 10 are distributed at intervals, and the second mechanical arm 8 is distributed in the middle area of the workbench 10. By doing so, the space utilization of the table 10 can be improved.

Specifically, in the present embodiment, as shown in fig. 1 and 4, the bipolar plate silo device 6 and the membrane electrode silo device 7 are distributed at one end of the workbench 10 along the length direction, the scrap carrier 110 and the two stacking devices 9 are both distributed at the other end of the workbench 10 along the length direction, the two first detecting devices 1 are respectively distributed at two ends of the workbench 10 along the width direction, and the second mechanical arm 8 and the second detecting device 2 are both distributed between the two first detecting devices 1. Specifically, in the present embodiment, the longitudinal direction of the table 10 is parallel to both the first direction and the second direction.

As shown in fig. 10, the automatic stacking device for fuel cell stacks further includes rails 120 spaced apart from the worktable 10, and the rails 120 are disposed around the first mechanical arm 3. The first robot arm 3 is protected.

As shown in fig. 1 to 10, the fuel cell stack automatic stacking apparatus operates as follows:

The second mechanical arm 8 and the second suction structure 5 are matched to suck the bipolar plate from the bipolar plate carrier 62, then suck the membrane electrode and the isolation paper from the membrane electrode carrier 72, then move the isolation paper to the upper part of the isolation paper carrier 74, then drive the bipolar plate and the membrane electrode to synchronously move to the position right above the detection carrier 13 of one of the first detection devices 1, put the membrane electrode to the detection carrier 13 for photographing detection through the first camera 11, move the bipolar plate to the position right above the detection carrier 13 of the other first detection device 1, put the bipolar plate to the detection carrier 13 for photographing detection through the first camera 11; the second mechanical arm 8 drives the second suction structure 5 to return to the upper part of the bipolar plate carrying platform 62 again to repeat the operation, meanwhile, the first mechanical arm 3 drives the first suction structure 4 to move to the position right above one of the two detection carrying platforms 13, taking the position right above the bipolar plate as an example, the first mechanical arm 3 drives the first suction structure 4 to approach the bipolar plate on the detection carrying platform 13 and suction the bipolar plate, if the bipolar plate is qualified, the bipolar plate is driven to move to the position right above the second camera 21 to carry out photographing detection, if the bipolar plate is qualified, the bipolar plate is driven to move to the position right above the stacking carrying platform 92 to carry out throwing and stacking, if the bipolar plate is not qualified, the bipolar plate is driven to move to the position right above the waste carrying platform 110, the first mechanical arm 3 drives the first suction structure 4 to return to the position right above the other detection carrying platform 13, so that the first suction structure 4 approaches a membrane electrode on the detection carrying platform 13 and sucks the membrane electrode, if the membrane electrode is qualified, the membrane electrode is driven to move to the position right above the second camera 21 to carry the photographing detection, if the bipolar plate is qualified, the bipolar plate is driven to move to the position right above the stacking platform 92 to carry the membrane electrode is driven to carry the position right above the waste carrying platform to carry the waste material, and if the bipolar plate is not qualified; when the number of the membrane electrodes and the bipolar plates on the stacking platform 92 reaches the set number, the third translation mechanism 91 drives the stacked fuel cell stack to translate to a second set position, so that the fuel cell stack is conveniently moved away from the workbench 10, and meanwhile, the membrane electrodes and the bipolar plates are stacked on the other stacking platform 92; after the number of membrane electrodes and/or bipolar plates on the scrap carrier 110 is stacked to the set number, the membrane electrodes and/or bipolar plates on the scrap carrier 110 are cleaned.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. An automatic stacking apparatus for a fuel cell stack, comprising:

The device comprises a first detection device (1), wherein the first detection device (1) comprises a first camera (11) and a first translation mechanism (12) which are arranged on a workbench (10), and a detection carrying table (13) which is arranged at the output end of the first translation mechanism (12), the first translation mechanism (12) can drive the detection carrying table (13) to move along a first direction, the detection carrying table (13) is used for carrying a workpiece to be detected, the first camera (11) is distributed above the first translation mechanism (12) at intervals along the height direction of the workbench (10), a lens of the first camera (11) vertically faces downwards to the first translation mechanism (12) along the height direction of the workbench (10), and the first direction is perpendicular to the height direction of the workbench (10);

The second detection device (2), the second detection device (2) comprises a second camera (21) arranged on the workbench (10), and a lens of the second camera (21) is vertically upwards along the height direction of the workbench (10);

The device comprises a first mechanical arm (3) and a first suction structure (4), wherein the first suction structure (4) is connected to the output end of the first mechanical arm (3), the first mechanical arm (3) can drive the first suction structure (4) to move, so that the first suction structure (4) can suck a workpiece to be detected on a detection carrier (13), and the workpiece to be detected can be suspended above a second camera (21).

2. The automatic stacking device for fuel cell stacks according to claim 1, wherein the first detecting device (1) further comprises a first bracket (14) and a first main light source (15), the first bracket (14) is detachably connected to the workbench (10), and the first main light source (15) and the first camera (11) are arranged at intervals and are detachably connected to the first bracket (14).

3. The automatic stacking device for fuel cell stacks according to claim 2, wherein the first bracket (14) is provided with a plurality of first elongated holes (141), the first camera (11) is detachably connected to the first bracket (14) through one of the first elongated holes (141), and the first main light source (15) is detachably connected to the first bracket (14) through the other of the first elongated holes (141).

4. A fuel cell stack automatic stacking device according to any one of claims 1-3, wherein the number of said first detecting means (1) is two, two of said first detecting means (1) are arranged at intervals on said work table (10), and said second detecting means (2) are arranged between two of said first detecting means (1).

5. A fuel cell stack automatic stacking device according to any one of claims 1-3, further comprising a second suction structure (5), and a bipolar plate magazine device (6), a membrane electrode magazine device (7) and a second mechanical arm (8) arranged on the table (10), wherein the second suction structure (5) is connected to the output end of the second mechanical arm (8), and the second mechanical arm (8) can drive the second suction structure (5) to move, so that the second suction structure (5) can suck bipolar plates in the bipolar plate magazine device (6), and can suck membrane electrodes and isolating papers in the membrane electrode magazine device (7).

6. The automatic stacking device of a fuel cell stack according to claim 5, wherein the bipolar plate magazine device (6) comprises a first lifting mechanism (61) arranged on the workbench (10), a bipolar plate carrier (62) arranged at the output end of the first lifting mechanism (61), and a first position sensor (63) arranged above the workbench (10), wherein the first lifting mechanism (61) can drive the bipolar plate carrier (62) to lift along the height direction of the workbench (10), and the first position sensor (63) is used for monitoring the height of a bipolar plate on the bipolar plate carrier (62).

7. The automatic stacking device for fuel cell stacks according to claim 5, wherein the membrane electrode cartridge device (7) comprises a second lifting mechanism (71) arranged on the workbench (10), a membrane electrode carrier (72) arranged at an output end of the second lifting mechanism (71), a second position sensor (73) arranged above the workbench (10), and a separation paper carrier (74) fixedly arranged on the workbench (10), the membrane electrode carrier (72) and the separation paper carrier (74) are distributed at intervals, the second lifting mechanism (71) can drive the membrane electrode carrier (72) to lift along the height direction of the workbench (10), and the second position sensor (73) is used for monitoring the height of a membrane electrode on the membrane electrode carrier (72).

8. The automatic fuel cell stack stacking device according to claim 5, further comprising a stacking device (9), wherein the stacking device (9) comprises a third translation mechanism (91) arranged on the workbench (10), and a stacking carrier (92) arranged at an output end of the third translation mechanism (91), and the third translation mechanism (91) can drive the stacking carrier (92) to move along a second direction, and the second direction is perpendicular to the height direction of the workbench (10).

9. The automatic stacking device for fuel cell stacks according to claim 8, wherein the number of the stacking devices (9) is plural, and the plurality of the stacking devices (9) are spaced apart from the table (10).

10. The automatic stacking device of fuel cell stacks according to claim 8, wherein the first detection device (1), the bipolar plate magazine device (6), the membrane electrode magazine device (7) and the stacking device (9) are distributed at intervals along the circumferential direction of the workbench (10), the first mechanical arm (3) is distributed at intervals with the workbench (10), and the second mechanical arm (8) is distributed in the middle area of the workbench (10).