Repair device for graphite bipolar plate

Abstract

The utility model belongs to the technical field of graphite bipolar plate repair, and particularly relates to a graphite bipolar plate repair device which comprises a mounting frame, a first motor fixedly connected to the lower surface of the mounting frame, a first rotating shaft fixedly connected to the output end of the first motor, and a polishing disc fixedly connected to the lower surface of the first rotating shaft. The outer surface of the first rotating shaft is fixedly connected with a first bevel gear, the side wall of the mounting frame is movably provided with a first belt pulley, the side wall of the first belt pulley is fixedly connected with a second rotating shaft, and the end, away from the first belt pulley, of the second rotating shaft is fixedly connected with a second bevel gear meshed with the first bevel gear. The graphite bipolar plate polishing device is reasonable in structure, the impeller can work to blow air while the polishing disc rotates, the situation that the graphite bipolar plate is polished unevenly due to the fact that chippings are accumulated on the surface of the graphite bipolar plate is avoided, and polishing operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the repair technical field of graphite bipolar plate, concretely is a kind of repair device for graphite bipolar plate. BACKGROUND

[0002] In proton exchange membrane fuel cell and other energy equipment, graphite bipolar plate plays the key role of conducting current, separating reaction gas etc., and has greater influence on battery performance. Graphite bipolar plate is prone to scratch, wear or corrosion and other damages due to various working conditions after long-term operation, so effective repair means are needed to maintain its performance, and repair device needs to be used.

[0003] The existing repair device for graphite bipolar plate usually removes defects on the surface of graphite bipolar plate by grinding. In the grinding process, the splashed debris is easy to fall on the surface of graphite bipolar plate, so that the debris will continuously rub and roll between the grinding wheel and the bipolar plate, resulting in uneven grinding force, and the surface of the repaired graphite bipolar plate is uneven, which affects the flatness. Unevenness will lead to poor current conduction and reduce the performance of fuel cell. SUMMARY

[0004] The utility model discloses a kind of repair devices for graphite bipolar plate, can utilize impeller work blow while the polishing disc rotates, prevent due to the surface of graphite bipolar plate accumulation debris lead to uneven grinding of graphite bipolar plate, it is beneficial to the progress of grinding operation.

[0005] To achieve the above object, the utility model adopts the technical scheme that provides a kind of repair device for graphite bipolar plate, including installation frame, the lower surface of the installation frame is fixedly connected with first motor, the output of the first motor is fixedly connected with first shaft, the lower surface of the first shaft is fixedly connected with polishing disc, the outer surface of the first shaft is fixedly connected with first bevel gear, the side wall of the installation frame is movably installed with first belt pulley, the side wall of the first belt pulley is fixedly connected with second shaft, the end away from first belt pulley of the second shaft is fixedly connected with second bevel gear, the second bevel gear is engaged with first bevel gear, the side wall of the installation frame is movably installed with second belt pulley, the movable installation of belt is between the second belt pulley and first belt pulley, the side wall of the second belt pulley is fixedly connected with third shaft, the end away from second belt pulley of the third shaft is fixedly connected with impeller, the outer surface of the impeller is equipped with sealing shell, the side wall of the sealing shell is fixedly connected with air inlet, the outer surface of the sealing shell is fixedly connected with air outlet.

[0006] Optionally, the outer surface of the sealing shell is fixedly connected with connecting frame, and the upper surface of the connecting frame is fixedly connected to the lower surface of the installation frame.

[0007] Optionally, the lower part of the installation frame is provided with a workbench, the upper surface of the workbench is fixedly connected with a first connecting strip, the number of the first connecting strips is two, the side wall of the front first connecting strip is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a first threaded rod, and the outer surface of the first threaded rod is threadedly connected with a moving strip.

[0008] Optionally, the side wall of the moving strip is fixedly connected with a third motor, the output end of the third motor is fixedly connected with a second threaded rod, the outer surface of the second threaded rod is threadedly connected with a moving block, and the lower surface of the moving block is fixedly connected with an installation frame.

[0009] Optionally, the upper surface of the workbench is fixedly connected with a second connecting strip, the number of the second connecting strips is two, adjacent second connecting strips are fixedly connected with a sliding rod, and the outer surface of the sliding rod is sleeved with a moving strip.

[0010] Optionally, the upper surface of the workbench is provided with a first moving groove, the number of the first moving grooves is two, the inner wall of the rear first moving groove is movably installed with a first double-threaded screw rod, the side wall of the first double-threaded screw rod is fixedly connected with a first handle, the outer surface of the first double-threaded screw rod is threadedly connected with a first moving plate, the number of the first moving plates is two, and the side wall of the first moving plate is fixedly connected with a first clamping plate.

[0011] Optionally, the upper surface of the workbench is provided with a second moving groove, the number of the second moving grooves is two, the inner wall of the right second moving groove is movably installed with a second double-threaded screw rod, the side wall of the second double-threaded screw rod is fixedly connected with a second handle, the outer surface of the second double-threaded screw rod is threadedly connected with a second moving plate, the number of the second moving plates is two, and the side wall of the second moving plate is fixedly connected with a second clamping plate.

[0012] Optionally, the lower surface of the workbench is fixedly connected with a supporting leg, and the number of the supporting legs is four.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] The utility model discloses a first motor, first pivot, polishing disc, first bevel gear, first belt pulley, second pivot, second belt pulley, belt, impeller, third pivot, air inlet and air outlet are provided, need to polish the graphite bipolar plate of being repaired, first motor works, drives first pivot and polishing disc rotation, simultaneously drives first bevel gear rotation, thereby drives second bevel gear rotation, simultaneously drives second pivot and first belt pulley rotation, thereby drives belt rotation, further drives second belt pulley rotation, thereby drives third pivot and impeller rotation, further can take in from air inlet, and the high -speed airflow is spouted from air outlet, and the surface of graphite bipolar plate is blown, can blow away the debris of polishing disc polishing in time, prevents the debris and influences the subsequent polishing process and the repair effect. The utility model discloses the blowing of impeller work while polishing disc rotation, prevents the unevenness of graphite bipolar plate polishing due to the surface of graphite bipolar plate accumulation debris, is favorable for the progress of polishing operation.

[0015] The utility model discloses a workbench, first handle, first double thread screw rod, first moving plate, first clamping plate, second handle, second double thread screw rod, second moving plate and second clamping plate, before polishing the graphite bipolar plate of being repaired, need to hold fixed graphite bipolar plate, place graphite bipolar plate in workbench center position, then rotate first handle, drive first double thread screw rod rotation, thereby drive adjacent first moving plate each other close, further drive adjacent first clamping plate each other close, thereby can hold fixed the front and rear two sides of graphite bipolar plate, rotate second handle, drive second double thread screw rod rotation, thereby drive adjacent second moving plate each other close, further drive adjacent second clamping plate each other close, thereby can hold fixed the left and right sides of graphite bipolar plate, further can hold fixed four faces of graphite bipolar plate, prevent the movement of graphite bipolar plate when polishing. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the technical scheme in the embodiment of the utility model more clearly, the following will introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without the creative labor.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the whole sectional structure schematic diagram of the utility model;

[0019] Figure 3 It is the whole sectional structure schematic diagram of the utility model; Figure 2 The enlarged structure schematic diagram of A in the utility model

[0020] Figure 4 It is the first view angle partial section structure schematic view of the utility model;

[0021] Figure 5 It is the second view angle partial section structure schematic view of the utility model;

[0022] Figure 6 It is the utility model Figure 5 The enlarged structure schematic view of B place in the middle.

[0023] In the drawing: 1, installation frame;2, first motor;3, first rotating shaft;4, polishing disc;5, first bevel gear;6, first belt pulley;7, second rotating shaft;8, second bevel gear;9, second belt pulley;10, belt;11, third rotating shaft;12, impeller;13, seal shell;14, air inlet;15, air outlet;16, connecting frame;17, workbench;18, first connecting strip;19, second motor;20, first threaded rod;21, moving strip;22, third motor;23, second threaded rod;24, moving block;25, first moving groove;26, first double-threaded screw;27, first handle;28, first moving plate;29, first clamping plate;30, second moving groove;31, second double-threaded screw;32, second handle;33, second moving plate;34, second clamping plate;35, second connecting strip;36, slide rod;37, supporting leg. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clearly understood, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0027] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly and specifically limited.

[0028] With reference to Figures 1-6 A kind of repair device for graphite bipolar plate provided by the utility model embodiment is described. A kind of repair device for graphite bipolar plate, including installation frame 1, the lower surface of installation frame 1 is fixedly connected with first motor 2, the output end of first motor 2 is fixedly connected with first rotating shaft 3, the lower surface of first rotating shaft 3 is fixedly connected with polishing disc 4, the outer surface of first rotating shaft 3 is fixedly connected with first bevel gear 5, the side wall of installation frame 1 is movably installed with first belt pulley 6, the side wall of first belt pulley 6 is fixedly connected with second rotating shaft 7, the end away from first belt pulley 6 of second rotating shaft 7 is fixedly connected with second bevel gear 8, second bevel gear 8 is engaged with first bevel gear 5, the side wall of installation frame 1 is movably installed with second belt pulley 9, belt 10 is movably installed between second belt pulley 9 and first belt pulley 6, the side wall of second belt pulley 9 is fixedly connected with third rotating shaft 11, the end away from second belt pulley 9 of third rotating shaft 11 is fixedly connected with impeller 12, the outer surface of impeller 12 is sleeved with sealing shell 13, the side wall of sealing shell 13 is fixedly connected with air inlet 14, the outer surface of sealing shell 13 is fixedly connected with air outlet 15, when needing to polish graphite bipolar plate to be repaired, first motor 2 works, drives first rotating shaft 3 and polishing disc 4 to rotate, simultaneously drives first bevel gear 5 to rotate, to drive second bevel gear 8 to rotate, simultaneously drives second rotating shaft 7 and first belt pulley 6 to rotate, to drive belt 10 to rotate, further drives second belt pulley 9 to rotate, to drive third rotating shaft 11 and impeller 12 to rotate, further can import from air inlet 14, high-speed airflow is sprayed from air outlet 15, can blow graphite bipolar plate surface, can blow away the debris generated by polishing disc 4 in time, prevent debris to affect subsequent polishing process and repair effect, the outer surface of sealing shell 13 is fixedly connected with connecting frame 16, connecting frame 16 plays a stabilizing role to sealing shell 13, provides support to sealing shell 13, the upper surface of connecting frame 16 is fixedly connected on the lower surface of installation frame 1.

[0029] The repair device for graphite bipolar plate provided by the utility model can blow air by using impeller 12 to work while polishing disc 4 rotates, prevent graphite bipolar plate from being unevenly polished due to debris accumulated on the surface of graphite bipolar plate, and facilitate polishing operation.

[0030] In another embodiment of the utility model, please refer to Figures 1 to 6The lower portion of the mounting frame 1 is provided with a workbench 17, the upper surface of the workbench 17 is fixedly connected with a first connecting strip 18, the number of the first connecting strip 18 is two, the side wall of the front first connecting strip 18 is fixedly connected with a second motor 19, the output end of the second motor 19 is fixedly connected with a first threaded rod 20, the outer surface of the first threaded rod 20 is threadedly connected with a moving strip 21, when it is needed to control the movement of the polishing disc 4, the second motor 19 works to drive the first threaded rod 20 to rotate, thereby driving the moving strip 21 to move forward and backward, further driving the moving block 24 to move forward and backward, thereby driving the mounting frame 1, the first motor 2, the first rotating shaft 3 and the polishing disc 4 to move forward and backward, the third motor 22 works to drive the second threaded rod 23 to rotate, thereby driving the moving block 24 to move left and right, further driving the mounting frame 1, the first motor 2, the first rotating shaft 3 and the polishing disc 4 to move left and right, so that the polishing disc 4 can be controlled to move in any direction of forward, backward, left and right, facilitating the polishing operation, the side wall of the moving strip 21 is fixedly connected with the third motor 22, the output end of the third motor 22 is fixedly connected with the second threaded rod 23, the outer surface of the second threaded rod 23 is threadedly connected with the moving block 24, the lower surface of the moving block 24 is fixedly connected with the mounting frame 1, the upper surface of the workbench 17 is fixedly connected with a second connecting strip 35, the number of the second connecting strip 35 is two, the adjacent second connecting strips 35 are fixedly connected with a sliding rod 36, the sliding rod 36 is sleeved with the moving strip 21, and the sliding rod 36 limits the movement of the moving strip 21.

[0031] In another embodiment of the present application, please refer to Figures 1 to 6The upper surface of the workbench 17 is provided with first moving grooves 25, the number of the first moving grooves 25 is two, the inner wall of the rear first moving groove 25 is movably provided with a first double-threaded screw rod 26, the side wall of the first double-threaded screw rod 26 is fixedly connected with a first rotating handle 27, the outer surface of the first double-threaded screw rod 26 is threadedly connected with a first moving plate 28, the number of the first moving plate 28 is two, the side wall of the first moving plate 28 is fixedly connected with a first clamping plate 29, before polishing the graphite bipolar plate, the graphite bipolar plate needs to be clamped and fixed, the graphite bipolar plate is placed at the center position of the workbench 17, then the first rotating handle 27 is rotated to drive the first double-threaded screw rod 26 to rotate, thereby driving the adjacent first moving plate 28 to move close to each other, thereby driving the adjacent first clamping plate 29 to move close to each other, so that the front and rear edges of the graphite bipolar plate can be clamped and fixed, the second rotating handle 32 is rotated to drive the second double-threaded screw rod 31 to rotate, thereby driving the adjacent second moving plate 33 to move close to each other, thereby driving the adjacent second clamping plate 34 to move close to each other, so that the left and right edges of the graphite bipolar plate can be clamped and fixed, thereby the four surfaces of the graphite bipolar plate can be clamped and fixed, preventing the graphite bipolar plate from moving during polishing, the upper surface of the workbench 17 is provided with second moving grooves 30, the number of the second moving grooves 30 is two, the inner wall of the right second moving groove 30 is movably provided with a second double-threaded screw rod 31, the side wall of the second double-threaded screw rod 31 is fixedly connected with a second rotating handle 32, the outer surface of the second double-threaded screw rod 31 is threadedly connected with a second moving plate 33, the number of the second moving plate 33 is two, the side wall of the second moving plate 33 is fixedly connected with a second clamping plate 34, the lower surface of the workbench 17 is fixedly connected with supporting legs 37, the supporting legs 37 support the workbench 17, the number of the supporting legs 37 is four.

[0032] The above only describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A repair device for graphite bipolar plates, comprising a mounting frame (1), characterised in that: The lower surface of the mounting frame (1) is fixedly connected with a first motor (2), the output end of the first motor (2) is fixedly connected with a first rotating shaft (3), the lower surface of the first rotating shaft (3) is fixedly connected with a polishing disc (4), the outer surface of the first rotating shaft (3) is fixedly connected with a first bevel gear (5), the side wall of the mounting frame (1) is movably installed with a first belt pulley (6), the side wall of the first belt pulley (6) is fixedly connected with a second rotating shaft (7), the end, away from the first belt pulley (6), of the second rotating shaft (7) is fixedly connected with a second bevel gear (8), the second bevel gear (8) is engaged with the first bevel gear (5), the side wall of the mounting frame (1) is movably installed with a second belt pulley (9), the second belt pulley (9) and the first belt pulley (6) are movably installed with a belt (10) therebetween, the side wall of the second belt pulley (9) is fixedly connected with a third rotating shaft (11), the end, away from the second belt pulley (9), of the third rotating shaft (11) is fixedly connected with an impeller (12), the outer surface of the impeller (12) is sleeved with a sealing shell (13), the side wall of the sealing shell (13) is fixedly connected with an air inlet (14), the outer surface of the sealing shell (13) is fixedly connected with an air outlet (15).

2. The repair device for graphite bipolar plates of claim 1, wherein: The outer surface of the sealing shell (13) is fixedly connected with a connecting frame (16), and the upper surface of the connecting frame (16) is fixedly connected to the lower surface of the mounting frame (1).

3. The repair device for graphite bipolar plates of claim 1, wherein: The lower surface of the mounting frame (1) is fixedly connected with a first motor (2), the output end of the first motor (2) is fixedly connected with a first rotating shaft (3), the lower surface of the first rotating shaft (3) is fixedly connected with a polishing disc (4), the outer surface of the first rotating shaft (3) is fixedly connected with a first bevel gear (5), the side wall of the mounting frame (1) is movably installed with a first belt pulley (6), the side wall of the first belt pulley (6) is fixedly connected with a second rotating shaft (7), the end, away from the first belt pulley (6), of the second rotating shaft (7) is fixedly connected with a second bevel gear (8), the second bevel gear (8) is engaged with the first bevel gear (5), the side wall of the mounting frame (1) is movably installed with a second belt pulley (9), the second belt pulley (9) and the first belt pulley (6) are movably installed with a belt (10) therebetween, the side wall of the second belt pulley (9) is fixedly connected with a third rotating shaft (11), the end, away from the second belt pulley (9), of the third rotating shaft (11) is fixedly connected with an impeller (12), the outer surface of the impeller (12) is sleeved with a sealing shell (13), the side wall of the sealing shell (13) is fixedly connected with an air inlet (14), the outer surface of the sealing shell (13) is fixedly connected with an air outlet (15).

4. The repair device for graphite bipolar plates of claim 3, wherein: The outer surface of the sealing shell (13) is fixedly connected with a connecting frame (16), and the upper surface of the connecting frame (16) is fixedly connected to the lower surface of the mounting frame (1).

5. The repair device for graphite bipolar plates of claim 3, wherein: ​ 6. The repair device for graphite bipolar plates of claim 3, wherein: The upper surface of the workbench (17) is provided with a first moving groove (25), the number of the first moving groove (25) is two, the inner wall of the rear first moving groove (25) is movably installed with a first double-threaded screw rod (26), the side wall of the first double-threaded screw rod (26) is fixedly connected with a first rotating handle (27), the outer surface of the first double-threaded screw rod (26) is threadedly connected with a first moving plate (28), the number of the first moving plate (28) is two, and the side wall of the first moving plate (28) is fixedly connected with a first clamping plate (29).

7. The repair device for graphite bipolar plates of claim 3, wherein: The upper surface of the workbench (17) is provided with a second moving groove (30), the number of the second moving groove (30) is two, the inner wall of the right second moving groove (30) is movably installed with a second double-threaded screw rod (31), the side wall of the second double-threaded screw rod (31) is fixedly connected with a second rotating handle (32), the outer surface of the second double-threaded screw rod (31) is threadedly connected with a second moving plate (33), the number of the second moving plate (33) is two, and the side wall of the second moving plate (33) is fixedly connected with a second clamping plate (34).

8. The repair device for graphite bipolar plates of claim 3, wherein: The lower surface of the workbench (17) is fixedly connected with a supporting leg (37), and the number of the supporting leg (37) is four.

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