Flow battery stacking device and method

Abstract

The invention provides a flow battery stacking device and method.The flow battery stacking device comprises a stacking transmission line, the stacking transmission line is fixedly installed on the ground, a stacking lifting platform is arranged at the tail end of the stacking transmission line, a stacking CCD positioning reinspection device is arranged on the upper portion of the stacking lifting platform, and a stacking robot set and a battery cell assembly bearing table set are arranged on the two sides of the stacking transmission line; a power distribution cabinet and a robot control cabinet are arranged behind the stacking lifting platform, and the stacking robot set clamps all battery cell assemblies borne by the battery cell assembly bearing table set to complete unmanned mechanical stacking on the stacking lifting platform. The flow battery stacking device has the beneficial effects that the flow battery stacking device for realizing unmanned intelligent mechanical stacking of the flow battery cells is designed, and the stacking CCD positioning reinspection device is arranged to perform positioning inspection on the whole stacking process of the flow battery cells, so that not only is the stacking efficiency effectively improved, but also the whole process of the stacked battery cell assembly can be corrected, and the product quality is improved. The stacking error rate is effectively reduced, and the requirement for manpower is greatly reduced.

Description

Technical Field

[0001] The present invention relates to the field of liquid flow battery stacking, and in particular to a liquid flow battery stacking device and method. Background Art

[0002] Large-scale liquid flow battery is a new type of electrochemical battery. Due to its flexible layout, long service life, and large-scale energy storage, it has good application prospects. However, the existing large-scale liquid flow battery cell stacking technology has disadvantages such as complex structure, manual assistance, troublesome stacking, and low stacking efficiency. It is very necessary to improve the stacking efficiency of liquid flow battery cells, reduce manual operations, realize unmanned stacking, and ensure stacking quality. Summary of the invention

[0003] The present invention aims to solve the above-mentioned problems existing in the current large-scale liquid flow battery cell stacking, and to provide a liquid flow battery stacking device and method.

[0004] The present invention is realized by the following technical scheme: a liquid flow battery stacking device, comprising a stacking transmission line, a stacking lifting platform, a stacking CCD positioning and re-inspection device, a stacking robot group, a battery cell component bearing platform group, a power distribution cabinet, and a robot control cabinet, wherein the stacking transmission line is installed and fixed on the ground, a stacking lifting platform is provided at the end of the stacking transmission line, a stacking CCD positioning and re-inspection device is provided on the upper part of the stacking lifting platform, a stacking robot group and a battery cell component bearing platform group are provided on both sides of the stacking transmission line, and a power distribution cabinet and a robot control cabinet are provided behind the stacking lifting platform; The stacking transmission line is a transport unit that moves on the production line during the stacking process of flow battery cells; The stacking lifting platform is a lifting unit that maintains the height of the flow battery cells during the stacking process; The stacking CCD positioning re-inspection device is a detection unit that continuously inspects the positioning of the flow battery cells during the stacking process; The stacking robot group is a robot unit that clamps each cell assembly on the cell assembly carrier group to stack the cells during the stacking process of the flow battery cells. The stacking robot group is composed of four six-axis robots with suction cups or clamps at the front end. The stacking robot group includes a first robot, a second robot, a third robot, and a fourth robot. The first robot is installed and fixed on the ground on the left front side of the stacking transmission line, the second robot is installed and fixed on the ground on the left rear side of the stacking transmission line, the third robot is installed and fixed on the ground on the right front side of the stacking transmission line, and the fourth robot is installed and fixed on the ground on the right rear side of the stacking transmission line. The battery cell assembly carrier group includes an end plate carrier, an insulating plate carrier, an ion membrane carrier, an electrode carrier, a bipolar plate carrier, an electrode frame carrier, a graphite foil carrier, and a diverter plate carrier. Each carrier is a movable carrier with rollers at the bottom. The end plate carrier and the insulating plate carrier are located on both sides of the first robot, the ion membrane carrier and the electrode carrier are located on both sides of the second robot, the bipolar plate carrier and the electrode frame carrier are located on both sides of the third robot, and the graphite foil carrier and the diverter plate carrier are located on both sides of the fourth robot. The power distribution cabinet is the power supply structure of the flow battery stacking device, and the power distribution cabinet is electrically connected to the stacking transmission line, the stacking lifting platform, the stacking CCD positioning re-inspection device, the stacking robot group, the battery cell assembly bearing platform group and the robot control cabinet respectively; The robot control cabinet is a control device for stacking the flow battery cell components of the flow battery stacking device according to a set program. The robot control cabinet is respectively connected to the stacking transmission line, the stacking lifting platform, the stacking CCD positioning re-inspection device and the stacking robot group signal.

[0005] Furthermore, the stacked CCD positioning re-inspection device is composed of a plurality of cameras with lenses facing the stacked lifting platform.

[0006] Furthermore, the end plate supporting platform is a supporting platform for the bottom end plate and the top end plate of the liquid flow battery, the insulating plate supporting platform is a supporting structure for the bottom insulating plate and the top insulating plate of the liquid flow battery, and the ion membrane supporting platform, electrode supporting platform, bipolar plate supporting platform, electrode frame supporting platform, graphite foil supporting platform and diverter plate supporting platform are respectively the supporting structures of the ion membrane, electrode, bipolar plate, electrode frame, graphite foil and diverter plate that constitute the liquid flow battery cell.

[0007] A stacking method for a flow battery stacking device, the specific steps are as follows: S1, the first robot successively clamps the end plate and the insulating plate from the end plate carrying platform and the insulating plate carrying platform and places them on the stacking lifting platform as the bottom end plate and bottom insulating plate assembly constituting the bottom unit of the flow battery; S2, the second robot, the third robot and the fourth robot respectively clamp the ion membrane carrier, the electrode carrier, the bipolar plate carrier, the electrode frame carrier, the graphite foil carrier and the diverter plate carrier according to the preset liquid flow battery cell assembly stacking sequence program provided by the robot control cabinet, and stack the ion membrane, electrode, bipolar plate, electrode frame, graphite foil and diverter plate on the bottom unit of the liquid flow battery composed of the bottom end plate and the bottom insulating plate in the order set by the robot control cabinet program. The stacking number of layers of the liquid flow battery cells and the stacking sequence of each component of the cell are controlled by the robot control cabinet. During the stacking process of the liquid flow battery cells, the stacking CCD positioning re-inspection device continuously performs anti-deviated positioning inspection on the cells; S3. After the cell assemblies of the flow battery are stacked, the first robot successively clamps the insulating plate and the end plate from the insulating plate carrier and the end plate carrier and places them on the top of the flow battery cell as a top insulating plate and top end plate assembly constituting the top unit of the flow battery; S4. After the top insulating plate and the top end plate assembly are capped, the stacking of the flow battery cells is completed, and the stacking transmission line transports the stacked flow battery cells to the next flow battery assembly equipment.

[0008] Furthermore, the insulating plate is composed of an insulating plate, a current collecting plate and a transfer plate.

[0009] Furthermore, the electrode is a three-in-one electrode.

[0010] The beneficial effects of the present invention are as follows: the present application designs a liquid flow battery stacking device that realizes unmanned intelligent mechanical stacking of liquid flow battery cells, and provides a stacking CCD positioning and re-inspection device to perform full-process positioning inspection of the liquid flow battery cell stacking, which not only effectively improves the stacking efficiency, but also can correct the stacked cell components throughout the process, effectively reducing the stacking error rate and greatly reducing the demand for manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the liquid flow battery assembly line of the present invention; Figure numerals: 1. stacking transmission line; 2. stacking lifting platform; 3. stacking CCD positioning re-inspection device; 4. stacking robot group; 41. first robot; 42. second robot; 43. third robot; 44. fourth robot; 5. battery cell assembly carrier group; 51. end plate carrier; 52. insulation plate carrier; 53. ion membrane carrier; 54. electrode carrier; 55. bipolar plate carrier; 56. electrode frame carrier; 57. graphite foil carrier; 58. diverter plate carrier; 6. power distribution cabinet; 7. robot control cabinet. DETAILED DESCRIPTION

[0012] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments: like Figure 1 As shown, a flow battery stacking device comprises a stacking transmission line 1, a stacking lifting platform 2, a stacking CCD positioning and re-inspection device 3, a stacking robot group 4, a battery cell component bearing platform group 5, a power distribution cabinet 6, and a robot control cabinet 7. The stacking transmission line 1 is installed and fixed on the ground, a stacking lifting platform 2 is provided at the end of the stacking transmission line 1, a stacking CCD positioning and re-inspection device 3 is provided on the upper part of the stacking lifting platform 2, stacking robot groups 4 and battery cell component bearing platforms 5 are provided on both sides of the stacking transmission line 1, and a power distribution cabinet 6 and a robot control cabinet 7 are provided behind the stacking lifting platform 2; The stacking transmission line 1 is a transport unit that moves on the production line during the stacking process of flow battery cells; The stacking lifting platform 2 is a lifting unit that maintains the height of the flow battery cells during the stacking process; The stacking CCD positioning re-inspection device 3 is a detection unit that continuously inspects the positioning of the flow battery cells during the stacking process; The stacking robot group 4 is a robot unit for clamping each cell assembly on the cell assembly carrier group 5 to stack the cells during the stacking process of the flow battery cells. The stacking robot group 4 is composed of four six-axis robots with suction cups or clamps at the front end. The stacking robot group 4 includes a first robot 41, a second robot 42, a third robot 43, and a fourth robot 44. The first robot 41 is installed and fixed on the ground on the left front side of the stacking transmission line 1, the second robot 42 is installed and fixed on the ground on the left rear side of the stacking transmission line 1, the third robot 43 is installed and fixed on the ground on the right front side of the stacking transmission line 1, and the fourth robot 44 is installed and fixed on the ground on the right rear side of the stacking transmission line 1; The battery cell assembly carrier group 5 includes an end plate carrier 51, an insulating plate carrier 52, an ion membrane carrier 53, an electrode carrier 54, a bipolar plate carrier 55, an electrode frame carrier 56, a graphite foil carrier 57, and a diverter plate carrier 58. Each carrier is a movable carrier with rollers at the bottom. The end plate carrier 51 and the insulating plate carrier 52 are located on both sides of the first robot 41, the ion membrane carrier 53 and the electrode carrier 54 are located on both sides of the second robot 42, the bipolar plate carrier 55 and the electrode frame carrier 56 are located on both sides of the third robot 43, and the graphite foil carrier 57 and the diverter plate carrier 58 are located on both sides of the fourth robot 44; The power distribution cabinet 6 is the power supply structure of the flow battery stacking device, and the power distribution cabinet 6 is electrically connected to the stacking transmission line 1, the stacking lifting platform 2, the stacking CCD positioning re-inspection device 3, the stacking robot group 4, the battery cell assembly bearing platform group 5 and the robot control cabinet 7 respectively; The robot control cabinet 7 is a control device for stacking the flow battery cell components of the flow battery stacking device according to a set program. The robot control cabinet 7 is respectively connected to the stacking transmission line 1, the stacking lifting platform 2, the stacking CCD positioning re-inspection device 3 and the stacking robot group 4 by signals.

[0013] Preferably, the stacking CCD positioning re-inspection device 3 is composed of a plurality of cameras with lenses facing the stacking lifting platform 2 .

[0014] Preferably, the end plate supporting platform 51 is a supporting platform for the bottom end plate and the top end plate of the liquid flow battery, the insulating plate supporting platform 52 is a supporting structure for the bottom insulating plate and the top insulating plate of the liquid flow battery, and the ion membrane supporting platform 53, the electrode supporting platform 54, the bipolar plate supporting platform 55, the electrode frame supporting platform 56, the graphite foil supporting platform 57 and the diverter plate supporting platform 58 are respectively the supporting structures of the ion membrane, electrode, bipolar plate, electrode frame, graphite foil and diverter plate that constitute the liquid flow battery cell.

[0015] A stacking method for a flow battery stacking device, the specific steps are as follows: S1, the first robot 41 successively clamps the end plate and the insulating plate from the end plate carrying platform 51 and the insulating plate carrying platform 52 and places them on the stacking lifting platform 2 as a bottom end plate and bottom insulating plate assembly constituting the bottom unit of the flow battery; S2, the second robot 42, the third robot 43 and the fourth robot 44 respectively clamp the ion membrane carrier 53, the electrode carrier 54, the bipolar plate carrier 55, the electrode frame carrier 56, the graphite foil carrier 57 and the diverter plate carrier 58 according to the preset liquid flow battery cell stacking sequence provided by the robot control cabinet 7, and stack them on the bottom unit of the liquid flow battery composed of the bottom end plate and the bottom insulating plate in the order set by the robot control cabinet 7 program. The stacking number of layers of the liquid flow battery cells and the stacking sequence of each component of the cell are controlled by the robot control cabinet 7. During the stacking process of the liquid flow battery cells, the stacking CCD positioning re-inspection device 3 continuously performs anti-deviated positioning inspection on the cells; S3. After the cell assemblies of the flow battery are stacked, the first robot 41 successively clamps the insulating plate and the end plate from the insulating plate carrier 52 and the end plate carrier 51 and places them on the top of the flow battery cell as a top insulating plate and top end plate assembly constituting the top unit of the flow battery; S4. After the top insulating plate and the top end plate assembly are capped, the stacking of the flow battery cells is completed, and the stacking transmission line 1 transports the stacked flow battery cells to the next flow battery assembly equipment.

[0016] Preferably, the insulating plate is composed of an insulating plate, a current collecting plate and a transfer plate.

[0017] Preferably, the electrode is a three-in-one electrode.

[0018] According to the disclosure and teaching of the above description, those skilled in the art to which the present invention belongs may also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the present invention.

Claims

1. A flow battery stacking device, characterized in that: It includes a stacking transmission line, a stacking lifting platform, a stacking CCD positioning and re-inspection device, a stacking robot group, a battery cell component bearing platform group, a power distribution cabinet, and a robot control cabinet. The stacking transmission line is installed and fixed on the ground. A stacking lifting platform is provided at the end of the stacking transmission line. A stacking CCD positioning and re-inspection device is provided on the upper part of the stacking lifting platform. Stacking robot groups and battery cell component bearing platform groups are provided on both sides of the stacking transmission line. A power distribution cabinet and a robot control cabinet are provided behind the stacking lifting platform. The stacking transmission line is a transport unit that moves on the production line during the stacking process of flow battery cells; The stacking lifting platform is a lifting unit that maintains the height of the flow battery cells during the stacking process; The stacking CCD positioning re-inspection device is a detection unit that continuously inspects the positioning of the flow battery cells during the stacking process; The stacking robot group is a robot unit that clamps each cell assembly on the cell assembly carrier group to stack the cells during the stacking process of the flow battery cells. The stacking robot group is composed of four six-axis robots with suction cups or clamps at the front end. The stacking robot group includes a first robot, a second robot, a third robot, and a fourth robot. The first robot is installed and fixed on the ground on the left front side of the stacking transmission line, the second robot is installed and fixed on the ground on the left rear side of the stacking transmission line, the third robot is installed and fixed on the ground on the right front side of the stacking transmission line, and the fourth robot is installed and fixed on the ground on the right rear side of the stacking transmission line. The battery cell assembly carrier group includes an end plate carrier, an insulating plate carrier, an ion membrane carrier, an electrode carrier, a bipolar plate carrier, an electrode frame carrier, a graphite foil carrier, and a diverter plate carrier. Each carrier is a movable carrier with rollers at the bottom. The end plate carrier and the insulating plate carrier are located on both sides of the first robot, the ion membrane carrier and the electrode carrier are located on both sides of the second robot, the bipolar plate carrier and the electrode frame carrier are located on both sides of the third robot, and the graphite foil carrier and the diverter plate carrier are located on both sides of the fourth robot. The power distribution cabinet is the power supply structure of the flow battery stacking device, and the power distribution cabinet is electrically connected to the stacking transmission line, the stacking lifting platform, the stacking CCD positioning re-inspection device, the stacking robot group, the battery cell assembly bearing platform group and the robot control cabinet respectively; The robot control cabinet is a control device for stacking the flow battery cell components of the flow battery stacking device according to a set program. The robot control cabinet is respectively connected to the stacking transmission line, the stacking lifting platform, the stacking CCD positioning re-inspection device and the stacking robot group signal.

2. A flow battery stacking device according to claim 1, characterized in that: The stacked CCD positioning re-inspection device is composed of a plurality of cameras with lenses facing the stacked lifting platform.

3. A flow battery stacking device according to claim 1, characterized in that: The end plate supporting platform is the supporting platform for the bottom end plate and the top end plate of the liquid flow battery, the insulating plate supporting platform is the supporting structure for the bottom insulating plate and the top insulating plate of the liquid flow battery, and the ion membrane supporting platform, electrode supporting platform, bipolar plate supporting platform, electrode frame supporting platform, graphite foil supporting platform and diverter plate supporting platform are respectively the supporting structures of the ion membrane, electrode, bipolar plate, electrode frame, graphite foil and diverter plate that constitute the liquid flow battery cell.

4. The method for stacking liquid flow batteries of a liquid flow battery stacking device according to claim 3, characterized in that: The specific steps are as follows: S1, the first robot successively clamps the end plate and the insulating plate from the end plate carrying platform and the insulating plate carrying platform and places them on the stacking lifting platform as the bottom end plate and bottom insulating plate assembly constituting the bottom unit of the flow battery; S2, the second robot, the third robot and the fourth robot respectively clamp the ion membrane carrier, the electrode carrier, the bipolar plate carrier, the electrode frame carrier, the graphite foil carrier and the diverter plate carrier according to the preset liquid flow battery cell assembly stacking sequence program provided by the robot control cabinet, and stack the ion membrane, electrode, bipolar plate, electrode frame, graphite foil and diverter plate on the bottom unit of the liquid flow battery composed of the bottom end plate and the bottom insulating plate in the order set by the robot control cabinet program. The stacking number of layers of the liquid flow battery cells and the stacking sequence of each component of the cell are controlled by the robot control cabinet. During the stacking process of the liquid flow battery cells, the stacking CCD positioning re-inspection device continuously performs anti-deviated positioning inspection on the cells; S3. After the cell assemblies of the flow battery are stacked, the first robot successively clamps the insulating plate and the end plate from the insulating plate carrier and the end plate carrier and places them on the top of the flow battery cell as a top insulating plate and top end plate assembly constituting the top unit of the flow battery; S4. After the top insulating plate and the top end plate assembly are capped, the stacking of the flow battery cells is completed, and the stacking transmission line transports the stacked flow battery cells to the next flow battery assembly equipment.

5. A flow battery stacking method according to claim 4, characterized in that: The insulating plate is composed of an insulating plate, a current collecting plate and a transfer plate.

6. A flow battery stacking method according to claim 4, characterized in that: The electrode is a three-in-one electrode.

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