CN116619211A - A rework device and rework process based on battery poles - Google Patents

Abstract

The present invention proposes a rework device and a rework process based on battery poles. The device includes: a workbench, and a positioning mechanism arranged on the upper surface of the workbench. The positioning mechanism is used to position the battery placed on the workbench; There is a moving mechanism above the workbench, which can move linearly along the X-axis, Y-axis and Z-axis; the grinding mechanism is installed longitudinally on the moving mechanism to grind the cell poles to be repaired. The grinding mechanism includes grinding components. The cross-sectional area of the grinding assembly is larger than the cross-sectional area of the battery pole to be repaired, and the position of the grinding mechanism is changed by adjusting the axial distance of the moving mechanism, so that the grinding mechanism is aligned with the battery pole for grinding. By setting a fixing mechanism on the workbench, the battery can be fixed. In addition, the moving mechanism on the workbench enables the grinding mechanism to move precisely to align the battery pole to be repaired on the battery, effectively ensuring the battery pole The accuracy of repair.

Description

A rework device and rework process based on battery poles

technical field

The invention relates to the technical field of workpiece rework and grinding, in particular to a rework device and a rework process based on an electric core pole.

Background technique

With the rapid development of the new energy vehicle industry, car companies have higher requirements for the R&D and production of key automotive components. Among them, the power battery is one of the core three batteries in the new energy vehicle. During the development process, the single battery cells will be packaged into modules, and the process and performance of the modules will be repeatedly tested. During the testing process, the single cell will be repeatedly welded and disassembled. The surface of the disassembled cell pole has aluminum bumps and burrs remaining, making it impossible to directly perform secondary welding. Since manual rework and grinding are difficult to ensure the flatness of the battery pole after rework and control the height difference of the pole surface, and the efficiency is low, and the cost of rework and grinding by milling machine processing is too high and the operation is cumbersome, therefore, a grinding with high efficiency is needed. , low-cost and easy-to-operate rework grinding device.

Chinese patent CN206795518U discloses a battery pole grinding device and its grinding mechanism. The device includes a workbench with a battery grinding station and a grinding mechanism arranged above the workbench. The two left and right grinding heads on the top are used to grind the positive and negative poles of the same battery. The left and right grinding heads can move relative to the worktable in the up and down direction. Grinding the surface is beneficial to the large-scale operation of battery pole grinding, but this device cannot effectively guarantee the repair accuracy of the battery pole, thus affecting the repair efficiency and convenience.

Contents of the invention

One of the purposes of the present invention is to provide a rework device based on battery poles to solve the technical problem that the rework grinding device in the prior art cannot effectively ensure the repair accuracy of the battery pole, thus affecting the repair efficiency and convenience; The second purpose is to provide a rework process based on the battery pole.

In order to achieve the above object, the technical scheme adopted in the present invention is as follows:

In the first aspect, the present invention provides a rework device based on battery poles, the device includes: a workbench, and a positioning mechanism arranged on the upper surface of the workbench, the positioning mechanism is used to The battery on the workbench is positioned, and the battery is placed with the pole of the cell to be repaired facing upwards; a moving mechanism is provided above the workbench, and the moving mechanism can be moved along the X-axis, Y-axis and Z-axis Linear motion; a grinding mechanism, longitudinally installed on the moving mechanism for grinding the battery pole to be repaired, the grinding mechanism includes a grinding assembly, the cross-sectional area of the grinding assembly is larger than the cross-section of the battery pole to be repaired area, by adjusting the axial distance of the moving mechanism to change the position of the grinding mechanism, so that the grinding mechanism can be aligned with the pole column of the electric core for grinding until the rework is completed.

In an embodiment of the present invention, the moving mechanism includes a Y-direction moving mechanism, an X-direction moving mechanism, and a Z-direction moving mechanism. A Y-direction movement mechanism is arranged on the X-direction movement mechanism. Equipped with a Z-direction moving mechanism.

In an embodiment of the present invention, the X-direction movement mechanism includes a first X-direction movement mechanism and a second X-direction movement mechanism arranged symmetrically, and the first X-direction movement mechanism and the second X-direction movement mechanism are respectively There are first slider and second slider freely sliding along its first X guide rail and second X guide rail, and the Y-direction moving mechanism is respectively fixed on the first slider and the second slider For X-axis movement, one side of the Y-direction moving mechanism is provided with a Y-guiding rail and a third slider moving along the Y-guiding rail, and the Z-direction moving mechanism is fixed on the third slider for Y-axis movement , One side of the Z-direction moving mechanism is provided with a Z guide rail and a fourth slider moving along the Z guide rail, and the grinding mechanism is fixed on the fourth slider for Z-axis movement.

In an embodiment of the present invention, the bottoms of both ends of the first X-direction moving mechanism and the second X-direction moving mechanism are respectively fixedly connected with pillars.

In one embodiment of the present invention, the grinding mechanism further includes a servo motor and a reducer, the servo motor is connected to the reducer, the output shaft of the reducer is connected to the grinding assembly through a coupling, and the The shaft coupling is connected with the fourth sliding block.

In an embodiment of the present invention, the Z-direction moving mechanism is further provided with a driving motor and three magnetic switches, the first magnetic switch and the third magnetic switch form an upper limit and a lower limit, and the second magnetic switch and the first magnetic switch Four-slider connection.

In one embodiment of the present invention, the positioning mechanism includes a cylinder, a first fixed end surface and a second fixed end surface, the first fixed end surface and the second fixed end surface form a fixed limit, and the cylinder is output by the thrust Push the battery to the fixed limit.

In one embodiment of the present invention, the workbench is composed of an operating tabletop and a movable support.

In the second aspect, the present invention provides a rework process based on the pole of the electric core, using the rework device based on the pole of the electric core as described in the first aspect, the process includes: starting the drive motor, driving the grinding mechanism to rise to the upper limit position; place the battery on the positioning mechanism of the operating table, and the pole of the cell to be repaired faces upward; move the grinding mechanism to the position to be repaired through the Y-direction movement mechanism, X-direction movement mechanism and Z-direction movement mechanism. directly above the pole of the electric core, so that the grinding assembly is in contact with the pole of the electric core to be repaired, and the cross-sectional area of the grinding assembly is larger than that of the pole to be repaired; The pole of the battery core is repaired; after the repair is completed, the grinding mechanism is moved to the avoidance position through the Y-direction moving mechanism, the X-direction moving mechanism and the Z-direction moving mechanism to take out the battery.

In an embodiment of the present invention, placing the battery on the positioning mechanism of the operating table includes: placing the battery on a fixed area of the operating table; inputting air pressure to the cylinder to move the piston in the air cylinder , to form a thrust; push the battery to a fixed limit by the thrust, and use the thrust to keep the battery on the fixed limit.

In an embodiment of the present invention, the drive of the grinding mechanism to rework and polish the pole of the cell to be repaired includes: starting the servo motor body through the servo controller to drive the output shaft to rotate; based on the preset reduction ratio, The servo controller activates the reducer to control the rotation speed of the output shaft; the grinding assembly is driven to rotate by the output shaft and the rotation speed, so as to grind the pole of the cell to be repaired.

Beneficial effects of the present invention:

By setting the positioning mechanism on the workbench, the whole battery is in a fixed state when the grinding mechanism is grinding the cell pole to be repaired on the battery, which is convenient for repairing the cell pole to be repaired. In addition, the mobile Mechanism, by adjusting the distance of each axis of the moving mechanism to change the position of the grinding mechanism, so that the grinding mechanism installed longitudinally on the moving mechanism can move linearly along the X-axis, Y-axis and Z-axis, so that the grinding mechanism can be accurately aligned to be repaired At the same time, the cross-sectional area of the grinding assembly used to grind the pole of the battery to be repaired on the grinding mechanism is larger than the cross-sectional area of the pole of the battery to be repaired, which can quickly and evenly grind the pole of the battery to be repaired. It effectively guarantees the accuracy of the rework of the battery pole, thereby also improving the repair efficiency and convenience of the battery pole.

Description of drawings

Fig. 1 is a front view of a rework device based on a cell pole shown in an exemplary embodiment of the present invention;

Fig. 2 is an axial schematic diagram of a rework device based on a cell pole shown in an exemplary embodiment of the present invention;

Fig. 3 is an axial schematic diagram of a Y-direction movement mechanism shown in an exemplary embodiment of the present invention;

Fig. 4 is an axial schematic diagram showing the connection between the grinding mechanism and the Z-direction moving mechanism according to an exemplary embodiment of the present invention;

Fig. 5 is a left view of the Z-direction moving mechanism connection of the grinding mechanism shown in an exemplary embodiment of the present invention;

Fig. 6 is an axial schematic diagram showing the connection between the workbench and the X-direction moving mechanism according to an exemplary embodiment of the present invention;

Fig. 7 is a flow chart of the rework process based on the cell pole shown in an exemplary embodiment of the present invention;

Among them, 1-working table; 11-operating table; 12-movable bracket; 2-moving mechanism; 21-Y moving mechanism; 211-Y guide rail; 212-third slider; The first X-direction moving mechanism; 221-the first X-direction rail; 222-the first slider; 23-the second X-direction movement mechanism; 231-the second X-direction rail; 332-the second slider; 24-Z direction Moving mechanism; 241-Z guide rail; 242-fourth slider; 243-first magnetic switch; 244-second magnetic switch; 245-third magnetic switch; 246-drive motor; 3-grinding mechanism; 31-grinding Components; 32-servo motor; 33-reducer; 34-output shaft; 35-coupling; 4-positioning mechanism; 41-cylinder; 42-first fixed end face; 43-second fixed end face; 5-battery; 51-the cell pole to be repaired; 6-pillar.

Detailed ways

Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of the present invention is for describing specific implementations, not for limiting the protection scope of the present invention. The test methods for which specific conditions are not indicated in the following examples are usually in accordance with conventional conditions, or in accordance with the conditions suggested by each manufacturer.

Please refer to Figures 1 to 6. It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this manual are only used to match the content disclosed in the manual, for those familiar with this technology to understand and read, not for Limiting conditions for the implementation of the present invention, so it has no technical significance, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effects and goals that can be achieved by the present invention, are all Should still fall within the scope covered by the technical content disclosed in the present invention. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present invention without any substantial change in the technical content.

When the examples give numerical ranges, it should be understood that, unless otherwise stated in the present invention, the two endpoints of each numerical range and any value between the two endpoints can be selected. Unless otherwise defined, all technical and scientific terms used in the present invention are consistent with those skilled in the art's grasp of the prior art and the description of the present invention, and can also be used with the methods, equipment, and materials described in the embodiments of the present invention Any methods, apparatus and materials of the prior art similar or equivalent to the practice of the present invention.

Please refer to FIG. 1 , the present invention provides a battery post-based rework device, and FIG. 1 is a front view of the battery post-based rework device shown in an exemplary embodiment of the present invention. As shown in FIG. 1 , the rework device based on the cell pole includes at least a workbench 1 , a moving mechanism 2 , a grinding mechanism 3 and a positioning mechanism 4 . Wherein, the positioning mechanism 4 is arranged on the upper surface of the workbench 1 for positioning the battery 5 placed on the workbench 1 , and the battery 5 is placed with the pole 51 of the cell to be repaired facing upward. A moving mechanism 2 is provided above the workbench 1, and the moving mechanism 2 can move linearly along the X axis, the Y axis and the Z axis. On the moving mechanism 2, a grinding mechanism 3 for grinding the electric core pole 51 to be repaired is longitudinally installed, and the grinding mechanism includes a grinding assembly 31, and the cross-sectional area of the grinding assembly 21 is greater than the cross-sectional area of the electric core pole 51 to be repaired, by adjusting The distance of each axis of the moving mechanism 2 changes the position of the grinding mechanism 3 so that the grinding mechanism 2 is aligned with the electrode post 51 of the cell to be repaired for grinding until the repair is completed.

In this embodiment, by setting the positioning mechanism 4 on the workbench 1, when the grinding mechanism 3 is grinding the cell pole 51 to be repaired on the battery 5, the entire battery 5 is in a fixed state, which is convenient for the cell pole to be repaired. 51 for rework. In addition, the moving mechanism 2 installed above the workbench 1 can change the position of the grinding mechanism 3 by adjusting the axial distance of the moving mechanism 2, so that the grinding mechanism 3 vertically installed on the moving mechanism 2 can move along the X-axis. , the Y-axis and the Z-axis make a linear motion, so that the grinding mechanism 3 can accurately align the battery pole 51 to be repaired. The cross-sectional area of the cell pole 51 to be repaired can be quickly and evenly ground for the cell pole 51 to be repaired, which effectively ensures the accuracy of the repair of the cell pole, thereby also improving the repair efficiency and repair efficiency of the cell pole. Convenience.

Please refer to Fig. 2. In one embodiment, Fig. 2 is an axial schematic diagram of a rework device based on battery poles shown in an exemplary embodiment of the present invention. As shown in Fig. 2, the moving mechanism 2 includes a Y-direction moving mechanism 21. The X-direction movement mechanism and the Z-direction movement mechanism 24, the Y-direction movement mechanism 21 is arranged on the X-direction movement mechanism, and the Z-direction movement mechanism 24 is arranged on the side of the Y-direction movement mechanism 21 .

In this embodiment, there is no limit to the side of the Y-direction moving mechanism 21 provided with the Z-direction moving mechanism 24 , and it can be any side. Through the Y-direction moving mechanism 21, the X-direction moving mechanism and the Z-direction moving mechanism 24, the linear motion of the X-axis, Y-axis and Z-axis of the grinding mechanism 3 can be realized, and the position of the grinding mechanism 3 can be adjusted in multiple directions, which can be more accurate and convenient The grinding assembly 31 is aligned and contacts the electrode post 51 of the cell to be repaired.

Please refer to Fig. 2-Fig. 4, wherein, Fig. 3 is a schematic diagram of the axis side of the Y-direction moving mechanism shown in an exemplary embodiment of the present invention, and Fig. 4 is a grinding mechanism and a Z-direction moving mechanism shown in an exemplary embodiment of the present invention Schematic diagram of the shaft side of the connection. As shown in FIGS. 2-4 , in one embodiment, the X-direction movement mechanism includes a symmetrically arranged first X-direction movement mechanism 22 and a second X-direction movement mechanism 23, the first X-direction movement mechanism 22, the second X-direction movement mechanism The moving mechanism 23 is respectively provided with a first slide block 222 and a second slide block 232 that slide freely along its first X guide rail 221 and the second X guide rail 231, and the Y-direction moving mechanism 21 is respectively fixed by the connecting end surface 213 on the first slide block 222 and the second slide block 232. One slider 221 and the second slider 231 move in the X-axis, and the Y-direction moving mechanism 21 is provided with a Y-guiding rail 211 and a third slider 212 moving along the Y-guiding rail 211, and the Z-direction moving mechanism 24 is fixed on the second The three sliders 212 move in the Y-axis. The Z-direction moving mechanism 24 is provided with a Z guide rail 241 and a fourth slider 242 moving along the Z guide rail 241. The grinding mechanism 3 is fixed on the fourth slider 242 for Z-axis movement. .

In this embodiment, specifically, the first slider 222 that slides freely along the first X-guiding rail 221 and the second X-guiding rail 231 provided on the first X-direction moving mechanism 22 and the second X-direction moving mechanism 23 , the second slider 232, and the Y guide rail 211 provided on the side of the Y moving mechanism 21 and the third slide block 212 that moves along the Y guide rail 211, and the Z guide rail provided on the Z side of the moving mechanism 24 241 and the fourth slide block 242 that moves along the Z guide rail 241 realize multi-directional adjustment of the position of the grinding mechanism 3 . In addition, the side of the Z-direction moving mechanism 24 provided with the Z guide rail 241 and the fourth slider 242 moving along the Z guide rail 241 is the opposite side connected to the third slider.

Please continue to refer to FIG. 4 , in one embodiment, the Z-direction moving mechanism 24 is also provided with a drive motor 246 and three magnetic switches, the first magnetic switch 243 and the third magnetic switch 245 form an upper limit and a lower limit, and the second The magnetic switch 244 is connected with the fourth slider 242 .

It should be noted that the driving motor 246 is used to drive the second magnetic switch 244 to rise and fall, because the second magnetic switch is connected with the fourth slider 242, and the fourth slider 242 is connected with the grinding mechanism 3, and the driving motor 246 drives The ascending and descending of the second magnetic switch 244 can drive the ascending and descending of the grinding mechanism 3 on the Z axis, so as to realize the linear movement of the grinding mechanism 3 on the Z axis. In addition, the formation of the upper limit and the lower limit by the first magnetic switch 243 and the third magnetic switch 245 means that the second magnetic switch 244 moves to the highest position and the lowest position on the Z guide rail 241 .

In another embodiment of the present application, the Z guide rail 241 can be a guide rail with a screw lead of 5mm, which can ensure the high-precision movement of the fourth slider 242 and precisely control the distance of the fourth slider rising and falling. In this way, the precise contact between the grinding assembly 31 and the reworked cell pole 51 is ensured.

Please continue to refer to FIG. 4 , in one embodiment, the grinding mechanism 3 also includes a servo motor 32 and a reducer 33, the servo motor 32 is connected to the reducer 33, and the output shaft 34 of the reducer 33 passes through a coupling 35 and a grinding assembly 31 Connection, the coupling 35 is connected with the fourth slider 242.

It should be noted that the servo motor 32 includes a servo controller and a servo motor body, the output of the servo motor body is controlled by the servo controller, and then the rotation speed of the output shaft 34 is controlled by the reducer 33, and the output shaft 34 drives the grinding through the coupling 35 The assembly 21 is rotated to grind the electrode post 51 of the cell to be repaired. It should be understood that the reducer 33 is configured to have a reduction ratio, that is, the rotation speed of the output shaft 34 is controlled according to a certain deceleration until the rotation speed of the output shaft 34 is 0. Finish.

Please refer to Fig. 5, Fig. 5 is a left view of the Z-direction moving mechanism connection of the grinding mechanism shown in an exemplary embodiment of the present invention, as shown in Fig. 5, wherein, 24-Z-direction moving mechanism; 241-Z guide rail; 242 - the fourth slider; 246 - drive motor; 3 - grinding mechanism; 31 - grinding assembly; 32 - servo motor; 33 - reducer; 34 - output shaft; 35 - coupling.

Please refer to FIG. 6 . FIG. 6 is an axial schematic diagram showing the connection between the worktable and the X-direction moving mechanism according to an exemplary embodiment of the present invention. As shown in FIG. 6 , in one embodiment, the bottoms of both ends of the first X-direction moving mechanism 22 and the second X-direction moving mechanism 23 are respectively fixedly connected with pillars 6 .

In this embodiment, the pillar 6 makes the first X-direction moving mechanism 22 and the second X-direction moving mechanism 23 have a certain height distance from the operating table 11 , which is more convenient for rework and grinding of the cell pole 51 to be reworked.

Please continue to refer to FIG. 6. In one embodiment, the positioning mechanism includes a cylinder 41, a first fixed end surface 42 and a second fixed end surface 43. The first fixed end surface 42 and the second fixed end surface 43 form a fixed limit, and the cylinder 41 passes the output The thrust pushes the battery to the fixed limit.

In this embodiment, the fixed limit in the fixing mechanism can be applied to batteries of different sizes, and there is no limit to the angle formed by the contact between the first fixed end surface 42 and the second fixed end surface 43. In this embodiment, 90° is only one possible embodiment. If the formed angle is 80° or 110°, the battery 5 can also be fixed at a fixed position, which plays a role of simple positioning and makes the grinding mechanism 3 grind to be repaired. When the battery pole 51 is removed, the battery pole 51 to be repaired will not produce a large displacement. In addition, using the thrust of the cylinder to push the battery to a fixed limit is a mature prior art, which will not be described in detail in this embodiment.

Please continue to refer to FIG. 6 , in an embodiment, the workbench is composed of an operating tabletop 11 and a movable support 12 .

In this embodiment, the movable bracket 12 can realize the movement of the whole rework device, so as to achieve the effect that the whole device can be moved easily.

Please refer to FIG. 7 , in one embodiment, the present invention provides a rework process based on the pole of the battery, using the rework device based on the pole of the battery as described in the first aspect, the process includes at least steps S710 to S750 , the details are as follows:

Step S710, start the driving motor, and drive the grinding mechanism to rise to the upper limit;

Step S720, placing the battery on the positioning mechanism of the operating table, with the pole of the battery cell to be repaired facing upward;

Step S730, move the grinding mechanism directly above the pole of the cell to be repaired through the moving mechanism in the Y direction, the movement in the X direction and the movement in the Z direction, so that the grinding assembly is in contact with the pole of the cell to be repaired, and the cross-sectional area of the grinding assembly Greater than the cross-sectional area of the pole to be repaired;

Step S740, driving the grinding mechanism to repair the pole of the cell to be repaired;

Step S750, after the rework is finished, the grinding mechanism is moved to the avoidance position through the Y-direction moving mechanism, the X-direction moving mechanism and the Z-direction moving mechanism, so as to take out the battery.

In one embodiment, placing the battery on the positioning mechanism of the operating table includes at least steps S721 to S722, as follows in detail: step S721, placing the battery on a fixed area of the operating table; step S722, inputting air pressure to the cylinder to make The piston in the cylinder moves to form a thrust; step S723, push the battery to a fixed limit position by the thrust force, and use the thrust force to keep the battery at the fixed limit position.

In one embodiment, driving the grinding mechanism to rework and polish the pole of the cell to be repaired includes at least step S741 to step S743, the details are as follows: step S741, start the servo motor to drive the output shaft to rotate; step S742, based on the preset reduction ratio , the servo controller starts the reducer to control the rotation speed of the output shaft; Step S743, drives the grinding assembly to rotate through the output shaft and the rotation speed, so as to grind the pole of the cell to be repaired.

It should be noted that the rework process based on the battery pole provided in the above embodiment and the rework device based on the battery pole provided in the above embodiment belong to the same concept, and the specific implementation of each step has been described in the device embodiment. has been described in detail and will not be repeated here.

To sum up, the present invention sets a positioning mechanism on the workbench, so that when the grinding mechanism grinds the pole of the cell to be repaired on the battery, the entire battery is in a fixed state, which is convenient for repairing the pole of the cell to be repaired. In addition, The moving mechanism installed above the workbench can change the position of the grinding mechanism by adjusting the distance of each axial direction of the moving mechanism, so that the grinding mechanism installed longitudinally on the moving mechanism can move linearly along the X-axis, Y-axis and Z-axis, so that the grinding The mechanism can accurately align the poles of the batteries to be repaired. At the same time, the cross-sectional area of the grinding assembly used to grind the poles of the batteries to be repaired on the grinding mechanism is larger than that of the poles of the batteries to be repaired, which can quickly and evenly treat the batteries to be repaired. Grinding the core pole effectively ensures the accuracy of the rework of the battery pole, thereby also improving the repair efficiency and convenience of the battery pole.

The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention should still be covered by the claims of the present invention.

Claims (11)

1. A kind of rework device based on battery core pole, it is characterized in that, this device comprises: A workbench, and a positioning mechanism arranged on the upper surface of the workbench, the positioning mechanism is used for positioning the battery placed on the workbench, and the battery is placed with the pole of the cell to be repaired facing upward; A moving mechanism is provided above the workbench, and the moving mechanism can move linearly along the X-axis, Y-axis and Z-axis; Grinding mechanism, longitudinally installed on the moving mechanism for grinding the cell pole to be repaired, the grinding mechanism includes a grinding assembly, the cross-sectional area of the grinding assembly is larger than the cross-sectional area of the cell pole to be repaired, through Adjust the axial distance of the moving mechanism to change the position of the grinding mechanism, so that the grinding mechanism can be aligned with the pole column of the electric core for grinding until the rework is completed. 2. The rework device based on the battery pole according to claim 1, wherein the moving mechanism includes a Y-direction moving mechanism, an X-direction moving mechanism and a Z-direction moving mechanism, and the X-direction moving mechanism is provided with There is a Y-direction movement mechanism, and one side of the Y-direction movement mechanism is provided with a Z-direction movement mechanism. 3. The repairing device based on the battery pole according to claim 2, wherein the X-direction movement mechanism comprises a symmetrically arranged first X-direction movement mechanism and a second X-direction movement mechanism, the first X-direction movement mechanism The X-direction moving mechanism and the second X-direction mobile machine are respectively provided with a first slide block and a second slide block freely sliding along its first X-guiding rail and the second X-guiding rail, and the Y-direction moving mechanism is respectively fixed When the first slider and the second slider move in the X-axis, the side of the Y-direction moving mechanism is provided with a Y-guiding rail and a third slider that moves along the Y-guiding rail, and the Z-direction The moving mechanism is fixed on the third slider for Y-axis movement. One side of the Z-direction moving mechanism is provided with a Z-guiding rail and a fourth slider moving along the Z-guiding rail. The grinding mechanism is fixed on the The fourth slider moves along the Z axis. 4 . The rework device based on battery poles according to claim 3 , wherein the bottoms of both ends of the first X-direction moving mechanism and the second X-direction moving mechanism are respectively fixedly connected with pillars. 5. The rework device based on the battery pole according to claim 3, wherein the grinding mechanism also includes a servo motor and a reducer, the servo motor is connected to the reducer, and the reducer The output shaft is connected to the grinding assembly through a shaft coupling, and the shaft coupling is connected to the fourth sliding block. 6. The rework device based on the battery pole according to claim 5, characterized in that, the Z-direction moving mechanism is also provided with a drive motor and three magnetic switches, the first magnetic switch and the third magnetic switch form a The upper limit and the lower limit, the second magnetic switch is connected with the fourth slider. 7. The repairing device based on the cell pole according to claim 1, wherein the positioning mechanism includes a cylinder, a first fixed end face and a second fixed end face, and the first fixed end face and the second fixed end face The fixed end surface forms a fixed limit, and the cylinder pushes the battery to the fixed limit through the output thrust. 8 . The rework device based on battery poles according to any one of claims 1 to 7 , wherein the workbench is composed of an operation tabletop and a movable support. 9 . 9. A rework process based on battery poles, characterized in that using the rework device based on battery poles according to any one of claims 1 to 8, the process includes: Start the drive motor, drive the grinding mechanism to rise to the upper limit; Place the battery on the positioning mechanism of the operating table, with the pole of the cell to be repaired facing upwards; Move the grinding mechanism directly above the pole of the electric core to be repaired through the moving mechanism in the Y direction, the movement in the X direction and the movement in the Z direction, so that the grinding assembly is in contact with the pole of the electric core to be repaired, and the grinding assembly The cross-sectional area is larger than the cross-sectional area of the pole to be repaired; Driving the grinding mechanism to repair the pole of the cell to be repaired; After the rework is completed, the grinding mechanism is moved to the avoidance position through the Y-direction moving mechanism, the X-direction moving mechanism and the Z-direction moving mechanism, so as to take out the battery. 10. The rework process based on the battery pole according to claim 9, characterized in that, placing the battery on the positioning mechanism of the operating table includes: placing the battery in a fixed area of the worktop; Input air pressure to the cylinder to move the piston in the cylinder to form thrust; The battery is pushed to a fixed limit position by the pushing force, and the battery is kept on the fixed limit position by using the pushing force. 11. The rework process based on the battery pole according to claim 9, wherein said driving the grinding mechanism to rework and polish the battery pole to be repaired comprises: Start the servo motor body through the servo controller to drive the output shaft to rotate; Based on a preset reduction ratio, the servo controller activates the reduction gear to control the rotation speed of the output shaft; The grinding assembly is driven to rotate by the output shaft and the rotation speed, so as to grind the electrode post of the cell to be repaired.