Novel automatic grading on-line equipment for battery cells

Abstract

The utility model relates to the technical field of battery cell production, in particular to a novel battery cell automatic grading and on-line device which comprises a battery cell automatic grading device, a battery cell grouping and conveying speed-multiplying chain line used for conveying battery cells is placed on one side of the battery cell automatic grading device, a battery cell overturning and on-line robot is arranged on the rear side of the battery cell automatic grading device, and the battery cell overturning and on-line robot is arranged on the rear side of the battery cell automatic grading device. And a battery cell stacking device is placed on one side of the battery cell overturning and feeding robot, and an extrusion sleeve steel belt device is arranged on the side, away from the battery cell discharging robot, of the battery cell stacking device. According to the utility model, the automation degree of battery cell production is improved, manual auxiliary operation is not needed in the battery cell production process, the labor intensity of battery cell production is reduced, and the working efficiency is improved; and moreover, the automatic feeding and discharging device can meet the automatic feeding and discharging procedures of the front-section battery cells of most of lithium battery PACK production lines in the market, and the requirements on the aspects of battery cell flexibility, production efficiency and the like are met.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cell production, in particular to novel automatic grading and online equipment for battery cells. Background Art

[0002] The battery cell is an important component of the lithium battery assembly. The commonly said lithium battery is composed of several major parts such as the battery cell, management (protection) unit, and outer casing. The battery cells need to be graded using grading online equipment during production.

[0003] The existing grading and online equipment are all manually operated during use, with a low degree of automation, which increases the labor intensity during cell grading and reduces the work efficiency during the cell grading process; moreover, the existing grading and online equipment generally cannot meet the automatic loading and unloading processes of the front-end cells of most lithium battery PACK production lines on the market, and cannot achieve the requirements of cell flexibility and other aspects. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of automatic grading and loading equipment for battery cells, so as to solve the problems in the above-mentioned background technology, such as low working efficiency, inability to meet the requirements of the automatic loading and unloading process of battery cells in the front section of most lithium battery PACK production lines on the market, and inability to achieve the requirements of battery cell flexibility.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel automatic cell grading and online equipment, comprising an automatic cell grading device, a cell grouping and conveying speed chain line for cell transportation is placed on one side of the automatic cell grading device, and a double-sided adhesive detection station is arranged at the center of the surface of the cell grouping and conveying speed chain line, and the double-sided adhesive detection station is used for the inspection of cells after double-sided adhesive is affixed; a cell flipping and online robot is arranged on the rear side of the automatic cell grading device, and the cell flipping and online robot is used for grabbing the cells graded by the automatic cell grading device and transporting them to the cell grouping and conveying speed chain line for transportation; a cell flipping and online robot is placed on one side A battery cell stacking device, which is used for stacking the inspected battery cells into battery cell groups. A battery cell offline robot is arranged on the side of the battery cell stacking device close to the battery cell flipping online robot, and the battery cell offline robot is used for grabbing the battery cells inspected on the battery cell group conveying double-speed chain line and transporting them to the battery cell stacking device. A steel strip extrusion device is arranged on the side of the battery cell stacking device away from the steel strip extrusion device, and the steel strip extrusion device is used for extruding the battery cell group and putting it into steel strips; an extrusion online robot is arranged between the battery cell stacking device and the extrusion steel strip device, and the extrusion online robot is used for grabbing the battery cell groups stacked in the battery cell stacking device and transporting them to the extrusion steel strip device.

[0006] Preferably, the automatic battery cell grading equipment includes a manual loading position, a battery cell OCV testing mechanism, a battery cell grading robot and a battery cell conveying pull line. The manual loading position is arranged on the left side of the automatic battery cell grading equipment, and the manual loading position is used for loading the battery cells.

[0007] Preferably, a battery cell OCV testing mechanism is installed on the surface of the battery cell automatic grading equipment, and the battery cell OCV testing mechanism is used for scanning and detection; a battery cell conveying pull line is installed on the surface of the battery cell automatic grading equipment and on one side of the battery cell OCV testing mechanism, and the battery cell conveying pull line is used for team transportation after battery cell grading; a battery cell grading robot is also installed on the surface of the battery cell automatic grading equipment, and the battery cell grading robot is used to grade the batteries after detection by the battery cell OCV testing mechanism onto the battery cell conveying pull line to complete the battery cell grading.

[0008] Preferably, a polarity detection mechanism is also provided on the surface of the double-sided adhesive detection station, and the polarity detection mechanism is used for polarity detection of the battery cell.

[0009] Preferably, a left protective grille is provided on the outer side of the battery cell flipping online robot, and the left protective grille is used for protection when the battery cell flipping online robot is working.

[0010] Preferably, a right protective grille is provided on the outer side of the battery cell off-line robot and the extrusion on-line robot, and the right protective grille is used for protecting the battery cell off-line robot and the extrusion on-line robot when they are working.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the new type of automatic grading and online equipment for battery cells is set up; the utility model improves the degree of automation of battery cell production by setting up automatic battery cell grading equipment, battery cell flipping and online robot, battery cell grouping and conveying double-speed chain line, battery cell offline robot, battery cell stacking equipment, extrusion online robot and extrusion sleeve steel belt equipment. No manual auxiliary operation is required in the battery cell production process, the labor intensity of battery cell production is reduced, and work efficiency is improved; and the utility model can meet the automatic loading and unloading processes of battery cells in the front section of most lithium battery PACK production lines on the market, and realize the requirements of battery cell flexibility, production efficiency and other aspects. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the top view of the appearance structure of the utility model;

[0013] Figure 2 It is an enlarged structural schematic diagram of the automatic cell grading device of the utility model;

[0014] Figure 3 It is a partial enlarged structural schematic diagram of the utility model.

[0015] In the figure: 1. Automatic cell grading equipment; 11. Manual loading position; 12. Cell OCV testing mechanism; 13. Cell grading robot; 14. Cell conveying and pulling line; 2. Cell flipping and online robot; 3. Cell grouping and conveying double-speed chain line; 4. Double-sided tape detection station; 41. Polarity detection mechanism; 5. Cell offline robot; 6. Cell stacking equipment; 7. Extrusion online robot; 8. Extrusion sleeve steel belt equipment; 9. Left side protective grille; 10. Right side protective grille. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0017] The structure of the new type of automatic cell grading and online equipment provided by the utility model is as follows Figure 1 as well as Figure 2 As shown, it includes an automatic cell grading device 1, which includes a manual loading position 11, a cell OCV testing mechanism 12, a cell grading robot 13 and a cell conveying pull line 14. The manual loading position 11 is set on the left side of the automatic cell grading device 1, and the manual loading position 11 is used for loading the cells. The surface of the automatic cell grading device 1 is installed with a cell OCV testing mechanism 12, and the cell OCV testing mechanism 12 is used for scanning and detection; a cell conveying pull line 14 is installed on the surface of the automatic cell grading device 1 and on one side of the cell OCV testing mechanism 12, and the cell conveying pull line 14 is used for team conveying after cell grading; the surface of the automatic cell grading device 1 is also installed with a cell grading robot 13, and the cell grading robot 13 is used to grade the cells after being tested by the cell OCV testing mechanism 12 to the cell conveying pull line 14 to complete the cell grading.

[0018] During implementation, the battery cells are manually or mechanically loaded onto the manual loading position 11, and the battery cells are automatically transported to the code scanning test position via the pull line for testing using the battery cell OCV testing mechanism 12. The test results are uploaded to the MES, and the MES matches the battery cells for gears. When sorting, the battery cells are grabbed by the battery cell sorting robot 13 according to the MES matching information and placed in the corresponding gears in the battery cell conveying pull line 14, and the battery cell conveying pull line 14 automatically transports the battery cells at each gear into teams.

[0019] Furthermore, if Figure 1 as well as Figure 3 As shown, a cell grouping and conveying speed chain line 3 for conveying cells is placed on one side of the automatic cell sorting device 1, and a double-sided adhesive detection station 4 is arranged at the central position of the surface of the cell grouping and conveying speed chain line 3, and the double-sided adhesive detection station 4 is used for the detection of cells after double-sided adhesive is affixed. A polarity detection mechanism 41 is also arranged on the surface of the double-sided adhesive detection station 4, and the polarity detection mechanism 41 is used for polarity detection of cells; a cell flipping and online robot 2 is arranged on the rear side of the automatic cell sorting device 1, and the cell flipping and online robot 2 is used to grab the cells sorted by the automatic cell sorting device 1 and transport them to the cell grouping and conveying speed chain line 3 for conveying, and a left protective grille 9 is arranged on the outer side of the cell flipping and online robot 2, and the left protective grille 9 is used for protection when the cell flipping and online robot 2 is working.

[0020] During implementation, the battery cells are flipped over and loaded onto the battery cell grouping and conveying double-speed chain line 3 by the battery cell flipping online robot 2, the battery cells placed on the battery cell grouping and conveying double-speed chain line 3 are affixed with double-sided tape manually or by machine, and then inspected after gluing at the double-sided tape inspection station 4, and the polarity inspection mechanism 41 in the double-sided tape inspection station 4 performs polarity inspection on the battery cells. After confirmation, the battery cells are automatically taken offline by the battery cell offline robot 5 to the battery cell stacking equipment 6 for stacking.

[0021] Furthermore, if Figure 1 as well as Figure 3As shown, a cell stacking device 6 is placed on one side of the cell flipping on-line robot 2, and the cell stacking device 6 is used to stack the inspected cells into cell groups. A cell offline robot 5 is arranged on the side of the cell stacking device 6 close to the cell flipping on-line robot 2, and the cell offline robot 5 is used to grab the inspected cells on the cell grouping and conveying double-speed chain line 3 and transport them to the cell stacking device 6. An extrusion sleeve steel belt device 8 is arranged on the side of the cell stacking device 6 away from the cell offline robot 5, and the extrusion sleeve steel belt device 8 is used to extrude the cell group and put it into the steel belt; an extrusion on-line robot 7 is arranged between the cell stacking device 6 and the extrusion sleeve steel belt device 8, and the extrusion on-line robot 7 is used to grab the cell group stacked in the cell stacking device 6 and transport it to the extrusion sleeve steel belt device 8. A right protective grille 10 is arranged on the outer side of the cell offline robot 5 and the extrusion on-line robot 7, and the right protective grille 10 is used for protecting the cell offline robot 5 and the extrusion on-line robot 7 when they are working.

[0022] During implementation, the stacked battery cells are grabbed by the extrusion on-line robot 7 and placed into the steel belt extrusion device 8. The steel belt extrusion device 8 squeezes the battery cells of the battery cell group together, so that each battery cell is close together and then put into the steel belt to complete the restraint bundling.

[0023] Working principle: When in use, the battery cells are manually or machine-loaded to the manual loading position 11, and the battery cells are automatically transported to the code scanning test position through the pull line for testing using the battery cell OCV testing mechanism 12. The test results are uploaded to MES, and MES matches the battery cells for gears. When sorting, the battery cell sorting robot 13 grabs the battery cells according to the MES matching information and places them in the corresponding gears in the battery cell conveying pull line 14. The battery cell conveying pull line 14 automatically transports the battery cells on each gear into teams.

[0024] Subsequently, the battery cells are flipped over and loaded onto the battery cell grouping and conveying speed chain line 3 by the battery cell flipping on-line robot 2. The batteries placed on the battery cell grouping and conveying speed chain line 3 are affixed with double-sided tape manually or by machine, and then inspected after gluing at the double-sided tape inspection station 4. The polarity inspection mechanism 41 in the double-sided tape inspection station 4 inspects the polarity of the batteries. After confirmation, the battery cells are automatically taken offline by the battery cell offline robot 5 to the battery cell stacking equipment 6 for stacking.

[0025] Finally, the stacked battery cells are grabbed by the extrusion on-line robot 7 and placed into the steel belt extrusion device 8. The steel belt extrusion device 8 squeezes the battery cells of the battery cell group together, so that each battery cell is close together and then put into the steel belt to complete the restraint bundling. Then the bundled battery cell group is taken out manually or by machine.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A novel battery cell automatic grading online device, comprising a battery cell automatic grading device (1), characterized in that: A cell grouping and conveying speed chain line (3) for conveying cells is placed on one side of the cell automatic grading device (1), and a double-sided adhesive tape detection station (4) is arranged at the center of the surface of the cell grouping and conveying speed chain line (3). The double-sided adhesive tape detection station (4) is used for detecting cells after double-sided adhesive tape is affixed. A cell flipping and online robot (2) is arranged on the rear side of the cell automatic grading device (1). The cell flipping and online robot (2) is used for grabbing cells that have been graded by the cell automatic grading device (1) and transporting them to the cell grouping and conveying speed chain line (3) for conveying. A cell stacking device (6) is placed on one side of the cell flipping and online robot (2). The cell stacking device (6) is used for stacking the cells that have been tested into cells. A battery cell stacking device (6) is provided with a battery cell offline robot (5) on the side close to the battery cell flipping online robot (2), and the battery cell offline robot (5) is used to grab the battery cells that have been tested on the battery cell grouping conveying double-speed chain line (3) and transport them to the battery cell stacking device (6); a steel strip extrusion device (8) is provided on the side of the battery cell stacking device (6) away from the battery cell offline robot (5), and the steel strip extrusion device (8) is used to extrude the battery cell group and put it into a steel strip; an online extrusion robot (7) is provided between the battery cell stacking device (6) and the steel strip extrusion device (8), and the online extrusion robot (7) is used to grab the battery cell group stacked in the battery cell stacking device (6) and transport it to the steel strip extrusion device (8).

2. The new type of automatic grading and loading equipment for battery cells according to claim 1 is characterized in that: The battery cell automatic grading device (1) comprises a manual loading position (11), a battery cell OCV testing mechanism (12), a battery cell grading robot (13) and a battery cell conveying pull line (14); the manual loading position (11) is arranged on the left side of the battery cell automatic grading device (1), and the manual loading position (11) is used for loading battery cells.

3. The new type of automatic grading and loading equipment for battery cells according to claim 2 is characterized in that: The surface of the automatic cell grading device (1) is equipped with a cell OCV testing mechanism (12), which is used for scanning and testing; the surface of the automatic cell grading device (1) is equipped with a cell conveying belt line (14) located on one side of the cell OCV testing mechanism (12), which is used for grouping and conveying the cells after grading; the surface of the automatic cell grading device (1) is also equipped with a cell grading robot (13), which is used for grading the cells after being tested by the cell OCV testing mechanism (12) onto the cell conveying belt line (14) to complete the grading of the cells.

4. The new type of automatic grading and loading equipment for battery cells according to claim 3 is characterized by: A polarity detection mechanism (41) is also provided on the surface of the double-sided adhesive detection station (4), and the polarity detection mechanism (41) is used for polarity detection of the battery cell.

5. The new type of automatic grading and loading equipment for battery cells according to claim 1 is characterized in that: A left protective grille (9) is provided on the outer side of the battery cell flipping and online robot (2), and the left protective grille (9) is used for protective work when the battery cell flipping and online robot (2) is working.

6. The new type of automatic grading and loading equipment for battery cells according to claim 1 is characterized in that: A right side protective grille (10) is provided on the outer sides of the battery cell offline robot (5) and the extrusion online robot (7), and the right side protective grille (10) is used for protecting the battery cell offline robot (5) and the extrusion online robot (7) when they are working.

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