A feeding device of a fuel cell graphite bipolar plate detection machine

Abstract

The utility model relates to a kind of fuel cell graphite bipolar plate detection machine's feeding device, and it is related to fuel cell graphite bipolar plate detection field, including machine body, feeding robot and discharging tank, wherein the lower end of the lead screw of the feeding robot is connected with plate conveying part, the plate conveying part includes connecting base plate, suction cup and air suction pump, the lower end of the lead screw is connected with the connecting base plate, the suction cup is distributed in the bottom surface of the connecting base plate, the suction cup is connected with the air suction pump by connecting pipe, improve feeding efficiency, unify fuel cell graphite bipolar plate placement position, improve fuel cell graphite bipolar plate detection precision.

Description

Technical Field

[0001] This invention relates to the field of fuel cell graphite bipolar plate testing, specifically to a feeding device for a fuel cell graphite bipolar plate testing machine. Background Technology

[0002] With strong national support for the development of the new energy industry, the sector has experienced explosive growth, particularly in lithium batteries and fuel cells. While lithium batteries have reached a bottleneck, fuel cells remain in a phase of rapid development and technological breakthroughs. Graphene and graphite plates are widely used in fuel cells. As the processing and application of graphene and graphite materials mature, graphite has become one of the most important materials for fuel cell production, and the use of graphite bipolar plates as components has become mainstream. However, with the increasing production capacity of fuel cell graphite bipolar plates, quality inspection can no longer be controlled by workers manually or visually. Traditional fuel cell graphite bipolar plate inspection processes cannot keep up with the increasing volume and are prone to quality problems due to the unavoidable randomness of workers' work. Summary of the Invention

[0003] This invention provides a feeding device for a fuel cell graphite bipolar plate testing machine, which improves feeding efficiency, standardizes the placement of fuel cell graphite bipolar plates, and enhances the testing accuracy of fuel cell graphite bipolar plates.

[0004] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a feeding device for a fuel cell graphite bipolar plate testing machine, comprising a machine body, a feeding robot, and a discharging trough, wherein the lower end of the lead screw of the feeding robot is connected to a plate conveying part, the plate conveying part includes a connecting base plate, suction cups, and a vacuum pump, the lower end of the lead screw is connected to the connecting base plate, the suction cups are distributed on the bottom surface of the connecting base plate, and the suction cups are connected to the vacuum pump through connecting pipes, the discharging trough includes a fixed side plate, a width-shifting plate, and a length-shifting plate, the fixed side plate is a vertical plate that is perpendicularly connected to each other, the width-shifting plate and the length-shifting plate... The outer wall of the plate is connected to the shaft end of the cylinder. There is a double-layer pushing part on the inner surface of the longitudinal moving plate. The double-layer pushing part includes a supporting plate and a filling strip. The supporting plate is connected to the inner surface of the longitudinal moving plate by a spring. The supporting plate has a supporting plate groove and a receiving strip groove. The supporting plate groove is a horizontal groove that is recessed inward from the surface of the supporting plate. The receiving strip groove is a through groove that extends horizontally outward from the middle of the bottom surface of the vertical groove of the supporting plate groove. The supporting plate groove and the receiving strip groove are distributed at intervals in the vertical direction. The filling strip is a raised strip that extends horizontally from the inner surface of the longitudinal moving plate into the receiving strip groove.

[0005] Preferably, the device also includes a stabilizing pusher, which includes an anti-detachment strip, an upward protrusion, and a downward protrusion. The anti-detachment strip is a protrusion extending towards each other from the groove edge of the groove near the surface of the longitudinal shift plate. The upward protrusion is a protrusion extending vertically upward from the outer end of the filling strip. The downward protrusion is an arc-shaped panel extending downward from the outer end of the filling strip and gradually away from the direction of the filling strip.

[0006] Preferably, the downwardly protruding surface has a high-position limit groove, which is an arc-shaped groove that extends horizontally inward from the downwardly protruding surface.

[0007] Preferably, the shelf groove has a sliding surface, which is an arc-shaped convex surface extending from the wall of the shelf groove to the surface of the supporting plate.

[0008] Preferably, the support plate also has a crushing groove, which is a through groove that extends vertically through the surface of the sliding surface.

[0009] Preferably, the suction cup is connected to the connecting substrate via a push-pull strip, the suction cup is fixed to the outer end of the push-pull strip, the connecting substrate has a first positioning groove, the first positioning groove is a vertical through groove coinciding with the longitudinal central axis of the connecting substrate, the push-pull strip has a second positioning groove, the second positioning groove is a vertical through groove of the push-pull strip, and the push-pull strip is fastened by bolts and nuts.

[0010] In summary, the present invention has the following beneficial effects.

[0011] 1. By using a loading robot to transport graphite bipolar plates for fuel cells, the transport accuracy is improved, the consistency of the position of the graphite bipolar plates in the fuel cells is maintained, and the detection efficiency is enhanced.

[0012] 2. Both the longitudinal and transverse shift plates are moved and controlled by cylinder shafts fixed to the machine platform. When the conveying unit needs to pick up fuel cell graphite bipolar plates, the cylinder operates, causing both the longitudinal and transverse shift plates to move outward a certain distance, thus allowing the fuel cell graphite bipolar plates in the discharge trough to be unrestricted and easily removed. When the conveying unit has removed all the fuel cell graphite bipolar plates, some of them may shift due to the lack of positional constraints. The cylinder then pushes the longitudinal and transverse shift plates back to maintain the neat posture of the fuel cell graphite bipolar plates in the discharge trough and ensure they are uniformly transported to their initial positions.

[0013] 3. Each time the cylinder pushes the longitudinal moving plate from the outside to the inside, it can push the fuel cell graphite bipolar plate that has shifted position. During the advancement of the fuel cell graphite bipolar plate, the edges of the fuel cell graphite bipolar plate are supported by the support plate groove, ensuring that the fuel cell graphite bipolar plates are not worn by excessive pressure from above during horizontal movement. When the fuel cell graphite bipolar plates are aligned and no longer move, the filling strips in the slot move towards the support plate groove, pushing out the fuel cell graphite bipolar plate, thereby completing the neat reset and stacking of the fuel cell graphite bipolar plates.

[0014] 4. The downward convex arc-shaped surface can act as a buffer when it comes into contact with the graphite bipolar plate of the fuel cell, protecting the edges of the graphite bipolar plate from being squeezed and damaged. In addition, the outward-extending arc can also collect and push out the small debris generated when it comes into contact with the graphite bipolar plate of the fuel cell.

[0015] 5. The high-position limit groove can prevent the downward protrusion from pushing the edge of the fuel cell graphite bipolar plate to a high point when it contacts or squeezes the fuel cell graphite bipolar plate, thus preventing the fuel cell graphite bipolar plate from rubbing against the plate groove.

[0016] 6. The dropping trough ensures that graphite fragments pushed outward by the downward protrusion fall to the bottom of the discharge trough or the machine platform, and are subsequently cleaned up instead of being pushed into the interlayer of the graphite bipolar plate of the fuel cell along with the downward protrusion. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the feeding section.

[0019] Figure 2 This is an enlarged schematic diagram of the connection point to the substrate.

[0020] Figure 3 This is a schematic diagram of the double-layer pusher section.

[0021] Figure 4 This is a schematic diagram of the supporting structure.

[0022] Figure 5 Enlarged schematic diagram of the stable push section.

[0023] Figure 6 This is a schematic diagram of the high-level limit groove structure.

[0024] Figure 7This is a schematic diagram showing the connection between the suction cup and the connecting substrate.

[0025] Figure 8 This is a bottom view of the connecting substrate.

[0026] In the diagram: 11. Feeding robot, 12. Discharge trough, 13. Connecting substrate, 14. Suction cup, 15. Longitudinal moving plate, 16. Support plate, 17. Filling strip, 18. Support plate groove, 19. Holding strip groove, 110. Anti-detachment strip, 111. Downward protrusion, 112. High position limit groove, 113. Sliding surface, 114. Drop groove, 115. Push-pull single strip, 116. First positioning groove. Detailed Implementation

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0028] Example 1

[0029] like Figures 1 to 8 As shown, a feeding device for a fuel cell graphite bipolar plate testing machine includes a machine body, a feeding robot 11, and a discharging trough 12. The lower end of the lead screw of the feeding robot 11 is connected to a plate-carrying section, which includes a connecting base plate 13, suction cups 14, and a vacuum pump. The lower end of the lead screw is connected to the connecting base plate 13, and the suction cups 14 are distributed on the bottom surface of the connecting base plate 13. The suction cups 14 are connected to the vacuum pump via connecting pipes. The feeding robot 11 and the discharging trough 12 are fixed to the machine body's table. A host computer, such as a computer, can be placed inside the machine body to control the operation of the feeding robot 11. The loading robot 11 is configured to adsorb the fuel cell graphite bipolar plate placed in the discharge trough 12 and then transport it to the surface of the testing platform for the next process. After the fuel cell graphite bipolar plate is tested and transported to the subsequent process platform, the fuel cell graphite bipolar plate in the discharge trough 12 is adsorbed and transported again. The loading robot 11 relies on the plate-carrying part at the lower end of the lead screw for adsorption and transportation. Specifically, when the loading robot 11 moves the plate-carrying part into the discharge trough 12, the lead screw can move downward. When the bottom surface of the suction cup 14 contacts the fuel cell graphite bipolar plate, the vacuum pump works, using the vacuum negative pressure of the suction cup 14 to hold the fuel cell graphite bipolar plate. At this time, the lead screw is lifted upward, and the fuel cell graphite bipolar plate is transported to the surface of the testing platform through the rotating arm and other components of the loading robot 11. At this time, the vacuum pump stops working, so that there is no longer a vacuum negative pressure on the bottom surface of the suction cup 14, and the fuel cell graphite bipolar plate is placed stably on the monitoring platform. The loading robot 11 can use the AR series horizontal multi-joint robot from Shenzhen Zowell Technology Co., Ltd.

[0030] The feeding trough 12 includes a fixed side plate, a width-shifting plate, and a length-shifting plate 15. The fixed side plate is a vertical plate that is perpendicularly connected to each other. The outer walls of the width-shifting plate and the length-shifting plate 15 are connected to the shaft ends of the cylinders. Both the width-shifting plate and the length-shifting plate 15 are vertical flat plates. A pair of right-angled groove surfaces of the feeding trough 12 are fixed surfaces, i.e., the fixed side plate. The length-shifting plate 15 and the width-shifting plate are both moved and controlled by the shaft ends of the cylinders fixed to the machine body table. When the conveying unit needs to adsorb the graphite bipolar plates of the fuel cell, the cylinder operates, causing the longitudinal moving plate 15 and the lateral moving plate to move outward a certain distance, so that the graphite bipolar plates of the fuel cell in the discharge trough 12 are unrestricted and easy to remove. When the conveying unit has removed all the graphite bipolar plates of the fuel cell, some of the graphite bipolar plates will shift due to the lack of positional restriction. The cylinder then pushes the longitudinal moving plate 15 and the lateral moving plate back to keep the graphite bipolar plates of the fuel cell in the discharge trough 12 in a neat posture and uniformly transport them to their initial position.

[0031] The inner surface of the longitudinal shift plate 15 has a double-layer pusher section, which includes a support plate 16 and a filling strip 17. The support plate 16 is connected to the inner surface of the longitudinal shift plate 15 by a spring. The support plate 16 has a support plate groove 18 and a receiving strip groove 19. The support plate groove 18 is a horizontal groove that is recessed inward from the surface of the support plate 16. The receiving strip groove 19 is a through groove that extends horizontally outward from the middle of the bottom surface of the vertical groove of the support plate groove 18 through the support plate 16. The support plate groove 18 and the receiving strip groove 19 are distributed at intervals in the vertical direction. The filling strip 17 is a raised strip that extends horizontally from the inner surface of the longitudinal shift plate 15 into the receiving strip groove 19. Springs are located on the upper and lower sides of the support plate 16 and are connected to the longitudinal shift plate 15. When the cylinder pushes the longitudinal shift plate 15 from the outside to the inside each time, it can push the fuel cell graphite bipolar plate that has shifted position. When the edge of the fuel cell graphite bipolar plate contacts the support plate 16, it can be embedded in the support plate groove 18. In this way, during the advancement of the fuel cell graphite bipolar plate, the edge of the fuel cell graphite bipolar plate is supported by the support plate groove 18, ensuring that the fuel cell graphite bipolar plates are not worn by excessive pressure from above during horizontal movement. When the fuel cell graphite bipolar plates are aligned and no longer move, the filling strip 17 in the slot 19 moves towards the support plate groove 18, pushing out the fuel cell graphite bipolar plate, thereby completing the neat reset and stacking of the fuel cell graphite bipolar plates.

[0032] It also includes a stabilizing pusher, which includes an anti-detachment strip 110, an upward protrusion, and a downward protrusion 111. The anti-detachment strip 110 is a protrusion extending towards each other from the groove edge of the self-filling groove 19 on the side near the surface of the longitudinal shift plate 15. The upward protrusion is a protrusion extending vertically upward from the outer end of the self-filling groove strip 17. The downward protrusion 111 is an arc-shaped panel extending downward from the outer end of the self-filling groove strip 17 and gradually away from the direction of the filling groove strip 17. When the cylinder pulls the longitudinal shift plate 15, the filling strip 17 in the groove 19 can be blocked by the anti-detachment strip 110 and the upward and downward protrusions 111, preventing the filling strip 17 from detaching from the groove 19. In particular, the downward protrusion 111 has an arc-shaped surface, which can play a buffering role when it comes into contact with the graphite bipolar plate of the fuel cell, protecting the edge of the graphite bipolar plate of the fuel cell from being squeezed and damaged. In addition, the outwardly extending arc shape can also collect and push out the fine debris generated when it comes into contact with the graphite bipolar plate of the fuel cell.

[0033] The surface of the downward protrusion 111 has a high-position limit groove 112, which is a horizontally extending arc-shaped groove that is recessed inward from the surface of the downward protrusion 111. The high-position limit groove 112 can prevent the downward protrusion 111 from pushing the edge of the graphite bipolar plate of the fuel cell to a high point when it contacts or squeezes the graphite bipolar plate of the fuel cell, thus preventing the graphite bipolar plate of the fuel cell from rubbing against the support plate groove 18.

[0034] The support plate groove 18 has a sliding surface 113, which is an arc-shaped convex surface extending from the wall of the support plate groove 18 to the surface of the support plate 16. When the support plate 16 just presses into contact with the graphite bipolar plate of the fuel cell, the graphite bipolar plate of the fuel cell can be introduced into the support plate groove 18 by the sliding surface 113.

[0035] The support plate 16 also has a debris discharge groove 114, which is a vertical through-slot extending from the surface of the sliding in surface 113. The debris discharge groove 114 ensures that the graphite debris pushed outward by the downward protrusion 111 falls to the bottom of the discharge groove 12 or the machine platform, and is subsequently cleaned up instead of being pushed into the interlayer of the graphite bipolar plate of the fuel cell along with the downward protrusion 111.

[0036] The suction cup 14 is connected to the connecting base plate 13 via a push-pull strip 115. The suction cup 14 is fixed to the outer end of the push-pull strip 115. The connecting base plate 13 has a first positioning groove 116, which is a vertical through-groove coinciding with the longitudinal central axis of the connecting base plate 13. The push-pull strip 115 has a second positioning groove, which is a vertical through-groove coinciding with the push-pull strip 115. The push-pull strip 115 is secured with bolts and nuts. The suction cup 14 is fixed to the outer end of the push-pull strip 115. If the position of the suction cup 14 needs to be adjusted, the push-pull strip 115 can be moved below the connecting base plate 13 by loosening the nut. In particular, the position of the suction cup 14 can be selected by changing the relative positions of the first positioning groove 116, the second positioning groove, and the bolt. When the position of the suction cup 14 needs to be fixed, the nut can be tightened so that the bolt presses the push-pull strip 115 against the bottom surface of the connecting base plate 13.

[0037] In the description of this invention, it should be understood that the terms "front and back", "left and right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention.

[0038] Of course, those skilled in the art should understand that the term "a" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple. The term "a" should not be understood as a limitation on the quantity.

[0039] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art under the technical guidance of the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A feeding device for a fuel cell graphite bipolar plate testing machine, comprising a machine body, a feeding robot (11), and a discharge trough (12), characterized in that, The lower end of the lead screw of the loading robot (11) is connected to the plate conveying part, which includes a connecting base plate (13), a suction cup (14), and an air pump. The lower end of the lead screw is connected to the connecting base plate (13). The suction cup (14) is distributed on the bottom surface of the connecting base plate (13). The suction cup (14) is connected to the air pump through a connecting pipe. The discharge trough (12) includes a fixed side plate, a wide-direction moving plate, and a long-direction moving plate (15). The fixed side plate is a vertical plate that is perpendicular to each other. The outer walls of the wide-direction moving plate and the long-direction moving plate (15) are connected to the shaft end of the cylinder. There is a double-layer pushing part on the inner surface of the long-direction moving plate (15). The double-layer pushing part includes a support. The support plate (16) and the filling strip (17) are connected to the inner surface of the longitudinal moving plate (15) by a spring. The support plate (16) has a support plate groove (18) and a receiving strip groove (19). The support plate groove (18) is a horizontal groove recessed inward from the surface of the support plate (16). The receiving strip groove (19) is a through groove that extends horizontally outward from the middle of the bottom surface of the vertical groove of the support plate groove (18) through the support plate (16). The support plate groove (18) and the receiving strip groove (19) are distributed at intervals in the vertical direction. The filling strip (17) is a raised strip that extends horizontally from the inner surface of the longitudinal moving plate (15) into the receiving strip groove (19).

2. The feeding device for a fuel cell graphite bipolar plate testing machine according to claim 1, characterized in that, It also includes a stabilizing pusher, which includes an anti-detachment strip (110), an upward protrusion and a downward protrusion (111). The anti-detachment strip (110) is a protrusion extending from the groove edge of the groove (19) near the surface of the longitudinal shift plate (15). The upward protrusion is a protrusion extending vertically upward from the outer end of the filling strip (17). The downward protrusion (111) is an arc-shaped panel extending downward from the outer end of the filling strip (17) and gradually away from the filling strip (17).

3. The feeding device for a fuel cell graphite bipolar plate testing machine according to claim 2, characterized in that, The surface of the downward protrusion (111) has a high limit groove (112), which is a horizontally extending arc-shaped groove that is recessed inward from the surface of the downward protrusion (111).

4. The feeding device for a fuel cell graphite bipolar plate testing machine according to claim 3, characterized in that, The shelf groove (18) has a sliding surface (113), which is an arc-shaped convex surface extending from the wall of the shelf groove (18) to the surface of the support plate (16).

5. The feeding device for a fuel cell graphite bipolar plate testing machine according to claim 4, characterized in that, The support plate (16) also has a crushing groove (114), which is a through groove that extends vertically through the surface of the sliding surface (113).

6. The feeding device for a fuel cell graphite bipolar plate testing machine according to claim 5, characterized in that, The suction cup (14) is connected to the connecting base plate (13) via a push-pull strip (115). The suction cup (14) is fixed to the outer end of the push-pull strip (115). The connecting base plate (13) has a first positioning groove (116), which is a vertical through groove that coincides with the longitudinal central axis of the connecting base plate (13). The push-pull strip (115) has a second positioning groove, which is a vertical through groove that passes through the push-pull strip (115). The push-pull strip (115) is fastened by bolts and nuts.

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