Battery cell liquid injection feeding device

Abstract

The utility model relates to the technical field of lithium battery production, in particular to a battery cell liquid injection feeding device, which comprises a conveying belt, a liquid injection device, a liquid injection device, a liquid injection device and a liquid injection device, and is characterized in that the conveying belt is provided with a plurality of station areas for placing battery cells along the conveying direction; the detection equipment is arranged on the feeding side of the conveying belt and is used for detecting the battery cells on each station area one by one and recording information of the station areas where the unqualified battery cells are located; the defective collection mechanism is in control connection with the detection equipment and is used for transferring the unqualified battery cells out of the conveying belt; the battery cell supplementing mechanism is used for continuously transferring the battery cells which are detected to be qualified in advance to the station area where the unqualified battery cells are located after the unqualified battery cells are transferred out of the conveying belt by the unqualified battery cell collecting mechanism; and the output mechanism is used for simultaneously outputting the battery cells on the plurality of continuous station areas. The lithium battery feeding device has the advantages that the feeding procedure is smoother, the production efficiency and the production quality of lithium batteries are improved, manual intervention is not needed in the working period, and the automation degree is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lithium battery production, especially to a kind of electric core liquid injection feeding device. BACKGROUND

[0002] In lithium battery liquid injection production line, electric core feeding device is indispensable equipment in lithium battery production, mainly for the electric core after packaging is transported to shift, so that electric core is displaced to processing liquid injection equipment, facilitate subsequent liquid injection process;

[0003] Existing electric core liquid injection feeding device usually includes detection equipment, and the detection equipment is used to detect the packaging condition of the electric core, and if the detection result is unqualified, the unqualified electric core needs to be taken out before entering the liquid injection process, to avoid wasting subsequent liquid injection resources, and since the stations on the liquid injection equipment are mostly continuously arranged, so that the electric core needs to be continuously and simultaneously fed when feeding, therefore, after taking out the unqualified electric core, qualified products need to be supplemented to the vacant conveying station, so as to facilitate the normal operation of subsequent liquid injection process, and in actual production process, this step usually needs to rely on manual operation, and the degree of automation is insufficient, which needs to be solved urgently. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the present application provides an electric core liquid injection feeding device.

[0005] The above invention purpose of the present application is realized by the following technical scheme:

[0006] A conveying belt is provided with a plurality of station areas for placing electric cores along the conveying direction;

[0007] A detection equipment is arranged on the feeding side of the conveying belt and is used to detect each electric core on the station area one by one and record the information of the unqualified electric core in the station area;

[0008] A defective collection mechanism is controlled and connected to the detection equipment and is used to transfer the unqualified electric core out of the conveying belt;

[0009] An electric core supplementing mechanism is controlled and connected to the detection equipment, and after the defective collection mechanism transfers the unqualified electric core out of the conveying belt, the electric core supplementing mechanism is used to continuously transfer the previously qualified electric core to the station area where the unqualified electric core is located;

[0010] An output mechanism is arranged on the discharging side of the conveying belt and is used to output a plurality of continuous electric cores on the station area.

[0011] By adopting the technical scheme, during work, the conveying belt continuously moves to drive the battery cell on each work area from the feeding side to the discharging side, the detection device records the detection result of each battery cell and marks the information of the unqualified battery cell and the work station area where the unqualified battery cell is located, then the defective collection mechanism removes the unqualified battery cell from the conveying belt according to the work station area information marked by the detection device, and then the battery cell supplement mechanism transfers the battery cell that has been detected qualified on the conveying belt to the work station area vacated due to the removal of the unqualified battery cell according to the work station area information marked by the detection device, so as to ensure that the work station area on the subsequent conveying belt always has a qualified battery cell, and the work station area vacated due to the transfer of the battery cell by the battery cell supplement mechanism can continuously return to the feeding side of the conveying belt under the conveying action of the conveying belt to wait for feeding, so that the output mechanism can always output the same number of qualified battery cells, the feeding process is more smooth, and the production efficiency and production quality of the lithium battery are improved, and manual intervention is not required during work, and the degree of automation is high.

[0012] In a preferred example, the defective collection mechanism includes a defective collection box, a first grabbing assembly and a first double-shaft moving device. The defective collection box is open at the top and is arranged on one side of the conveying belt. The first grabbing assembly is connected to the first double-shaft moving device and is used to grab the unqualified battery cell on the conveying belt. The first double-shaft moving device is used to drive the first grabbing assembly to move horizontally and vertically.

[0013] By adopting the technical scheme, when an unqualified battery cell is detected, the first double-shaft moving device is started and drives the first grabbing assembly to move until the first grabbing assembly takes the corresponding battery cell, and then moves above the defective collection box to drop it into the defective collection box, thereby completing the collection of the unqualified battery cell.

[0014] In a preferred example, the battery cell supplement mechanism includes a second grabbing assembly and a second double-shaft moving device. The second grabbing assembly is connected to the second double-shaft moving device and is used to grab the qualified battery cell on the conveying belt. The second double-shaft moving device is used to drive the second grabbing assembly to move horizontally and vertically.

[0015] By adopting the technical scheme, after the defective collection mechanism removes the unqualified battery cell, the second double-shaft moving device is started and drives the second grabbing assembly to move to the qualified battery cell before the unqualified battery cell in sequence according to the record of the detection device, grabs the qualified battery cell and moves it to the vacated work station area that needs to be supplemented, and then resets to complete the supplement of the qualified battery cell.

[0016] The application can be further configured in a preferred example that the conveying belt is provided with a baffle on one side along the conveying direction, and a plurality of alignment plates are arranged along the conveying direction on the conveying belt, the length direction of each alignment plate is perpendicular to the length direction of the baffle, and a plurality of work station areas are formed between the alignment plates and the baffle.

[0017] By adopting the above technical solution, the baffle and the plurality of alignment plates form a plurality of work station areas for abutting and aligning the battery cell, which facilitates abutting and aligning the battery cell when feeding on the feeding side of the conveying belt, and improves the consistency of battery cell conveying.

[0018] The application can be further configured in a preferred example that the feeding side and the discharging side of the conveying belt are provided with an alignment mechanism, the alignment mechanism is used for abutting the battery cell in the work station area to the alignment plate and the baffle respectively, so as to abut and align the battery cell.

[0019] By adopting the above technical solution, the alignment mechanism is arranged on the feeding side of the conveying belt, which can facilitate the detection equipment to accurately detect the battery cell and the defective collection mechanism to transfer the unqualified battery cell, and the alignment mechanism is arranged on the discharging side of the conveying belt, which facilitates the battery cell supplement mechanism to timely realign the qualified battery cell after supplementing the qualified battery cell and the output mechanism to accurately output the qualified battery cell.

[0020] The application can be further configured in a preferred example that the alignment mechanism includes a first alignment block and a second alignment block, the first alignment block is arranged on the conveying belt between any two adjacent alignment plates along the conveying direction of the conveying belt, the conveying belt is provided with a first driving mechanism, when the battery cell is located between two adjacent alignment plates, the first driving mechanism is used for driving the first alignment block to slide, so as to abut the battery cell to one of the alignment plates, and the second alignment block is arranged on the conveying belt along the width direction of the conveying belt, and the conveying belt is provided with a second driving mechanism, when the first alignment block abuts the battery cell to one of the alignment plates, the second driving mechanism is used for driving the second alignment block to abut the battery cell to the baffle.

[0021] By adopting the above technical solution, when the battery cell is located between two alignment plates, the first driving mechanism is started to drive the first alignment block to slide and abut the battery cell to the alignment plate, so as to complete the preliminary alignment of one side edge of the battery cell, and then the second driving mechanism is started to drive the second alignment block to slide and abut the battery cell to the baffle, so as to complete the alignment process of the battery cell, thereby realizing the accurate positioning of the battery cell.

[0022] The application can be further configured in a preferred example that the conveying belt is provided with an infrared sensor corresponding to each of the work area, the infrared sensor, the conveying belt, the detection device and the cell supplementing mechanism are all controlled to be connected, and the infrared sensor is used to detect the cell in the work area.

[0023] By adopting the above technical scheme, the infrared sensor is arranged to detect the position of the work area that needs to be supplemented with cells in cooperation with the cell supplementing mechanism.

[0024] In summary, the application has at least one of the following beneficial technical effects:

[0025] 1. During work, the conveying belt continuously moves to drive the cells on each work area from the feeding side to the discharging side, during which the detection device records the detection results of each cell and marks the information of unqualified cells and their work area, then the defective collection mechanism removes the unqualified cells from the conveying belt according to the work area information marked by the detection device, and then the cell supplementing mechanism transfers the cells previously detected as qualified on the conveying belt to the work area vacated due to the removal of unqualified cells, so as to ensure that the work area on the subsequent conveying belt always has qualified cells, and the work area vacated due to the transfer of cells by the cell supplementing mechanism can be continuously returned to the feeding side of the conveying belt under the conveying action of the conveying belt to wait for loading, so that the output mechanism can always output the same number of qualified cells, the loading process is more smooth, the production efficiency and production quality of lithium batteries are improved, and manual intervention is not required during work, and the degree of automation is high.

[0026] 2. The alignment mechanism is arranged at the feeding side of the conveying belt, which can facilitate the detection device to accurately detect the cells and the defective collection mechanism to transfer unqualified cells, and the alignment mechanism is arranged at the discharging side of the conveying belt, which facilitates the cell supplementing mechanism to realign the qualified cells after supplementing the qualified cells and the output mechanism to accurately output the qualified cells.

[0027] 3. By arranging the infrared sensor, the position of the work area that needs to be supplemented with cells can be detected in cooperation with the cell supplementing mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a schematic view of the overall structure of the cell liquid injection feeding device in an embodiment of the application;

[0029] Figure 2 is a schematic view of the overall structure of the cell liquid injection feeding device in an embodiment of the application; Figure 1

[0030] Figure 3 is a schematic view of the overall structure of the cell liquid injection feeding device in an embodiment of the application; Figure 1

[0031] ​​Figure 4 is a structural schematic view of the first alignment block and the first driving mechanism in an embodiment of the present application;

[0032] Figure 5 is a structural schematic view of the second alignment block and the second driving mechanism in an embodiment of the present application.

[0033] Reference signs: A1, conveying belt; A2, station area; A21, baffle; A22, alignment plate; A3, detection equipment; A4, defective collection mechanism; A41, defective collection box; A42, first grabbing assembly; A43, first double-shaft moving device; A5, cell supplementing mechanism; A51, second grabbing assembly; A52, second double-shaft moving device; A6, alignment mechanism; A61, first alignment block; A62, second alignment block; A63, first driving mechanism; A64, second driving mechanism; A7, infrared sensor. DETAILED DESCRIPTION

[0034] The exemplary embodiments of the present application are described below with reference to the accompanying drawings, which include various details of the embodiments of the present application to assist in understanding, and should be considered as merely exemplary. Thus, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, for the sake of brevity and clarity, descriptions of well-known functions and constructions are omitted from the following description.

[0035] It should be noted that the terms "first", "second", and the like in the present application are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The implementation described in the following exemplary embodiments does not represent all implementations consistent with the present disclosure.

[0036] In addition, the term "and / or" herein is merely a description of the association relationship between the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " herein, unless otherwise specified, generally represents an "or" relationship between the associated objects before and after it.

[0037] An electric cell liquid injection feeding device is described below with reference to the accompanying drawings.

[0038] With reference to Figures 1 to 5 , for example, Figure 1As shown, the cell liquid injection feeding device comprises a conveying belt A1, a plurality of work area A2 for placing the cells are arranged on the conveying belt A1 along the conveying direction, and the conveying belt A1 is sequentially provided with a detection device A3, a defective collection mechanism A4, a cell supplement mechanism A5 and an output mechanism (not shown in the figure) along the conveying direction, the detection device A3 is arranged on the feeding side of the conveying belt A1 and is used to detect each cell on each work area A2 one by one and record the information of the work area A2 where the unqualified cell is located, the defective collection mechanism A4 is connected to the detection device A3 and is used to transfer the unqualified cell out of the conveying belt A1, the cell supplement mechanism A5 is connected to the detection device A3, after the defective collection mechanism A4 transfers the unqualified cell out of the conveying belt A1, the cell supplement mechanism A5 is used to continuously transfer the previously detected qualified cell to the work area A2 where the unqualified cell is located, and the output mechanism is arranged on the discharging side of the conveying belt A1 and is used to output the cells on a plurality of continuous work areas A2 at the same time, in work, the conveying belt A1 continuously moves to drive the cells on each work area from the feeding side to the discharging side, during which the detection device A3 records the detection results of each cell and marks the information of the unqualified cell and the work area A2 where it is located, then the defective collection mechanism A4 removes the unqualified cell from the conveying belt A1 according to the work area A2 information marked by the detection device A3, and then the cell supplement mechanism A5 transfers the previously detected qualified cell on the conveying belt A1 to the vacant work area A2 due to the removal of the unqualified cell, to ensure that the work area A2 on the subsequent conveying belt A1 always has qualified cells, and the vacant work area A2 due to the transfer of the cell supplement mechanism A5 can continuously return to the feeding side of the conveying belt A1 under the conveying action of the conveying belt A1 to wait for feeding, so that the output mechanism can always output the same number of qualified cells, so that the feeding process is more smooth, the production efficiency and production quality of the lithium battery are improved, and no manual intervention is required during work, with high automation.

[0039] It should be noted that in the present embodiment, the detection device A3 comprises a CCD detection mechanism and a code scanning mechanism, the CCD detection mechanism is used to detect the outer surface of the cell, and the code scanning mechanism is used to scan and identify the cell, and the two are used together to realize the detection of each cell on each work area A2 one by one and the recording of the information of the work area A2 where the unqualified cell is located, and the output mechanism is a conveying device commonly used in the market, such as a mechanical arm, a vacuum suction device and the like, so that the conveying mechanism can complete the transfer function of the cell between the modules of the liquid injection process, and the CCD detection mechanism and the code scanning mechanism can adopt the commonly used devices in the market, which will not be described here.

[0040] Specifically, the defective collection mechanism A4 includes a defective collection box A41, a first gripping component A42, and a first dual-axis moving device A43. The defective collection box A41 has an open top and is located on one side of the conveyor belt A1. The first gripping component A42 is connected to the first dual-axis moving device A43 and is used to grip the defective battery cells on the conveyor belt A1. The first dual-axis moving device A43 is used to drive the first gripping component A42 to move laterally and vertically. When a defective battery cell is detected, the first dual-axis moving device A43 starts and drives the first gripping component A42 to move until the first gripping component A42 picks up the corresponding battery cell. Then it moves to the top of the defective collection box A41 and puts it into the box, thereby completing the collection of defective battery cells.

[0041] The battery cell replenishment mechanism A5 includes a second gripping component A51 and a second dual-axis moving device A52. The second gripping component A51 is connected to the second dual-axis moving device A52 and is used to grip qualified battery cells on the conveyor belt A1. The second dual-axis moving device A52 is used to drive the second gripping component A51 to perform lateral and vertical displacement. After the defective collection mechanism A4 removes the defective battery cells, the second dual-axis moving device A52 starts and, according to the record of the detection device A3, drives the second gripping component A51 to move to the qualified battery cells that are in sequence before the defective battery cells, grips the qualified battery cells, moves them to the empty workstation area A2 that needs to be replenished, and then resets them to complete the replenishment of qualified battery cells.

[0042] It should be noted that the first dual-axis moving device A43 and the second dual-axis moving device A52 in the above embodiments both include a linear module and a cylinder. The cylinder is slidably mounted on the linear module so that the linear module can drive the cylinder to make lateral displacement, and drive the piston rod of the cylinder to make the first gripping component A42 or the second gripping component A51 to make vertical displacement, thereby realizing the dual-axis displacement of the first gripping component A42 or the second gripping component A51. The linear module and the cylinder can be common equipment on the market. The first gripping component A42 and the second gripping component A51 both include a suction cup and an air pump (not shown in the figure). The suction cup is connected to the air pump and moves to the top of the battery cell and abuts against the battery cell to adsorb it, thereby completing the gripping process of the battery cell.

[0043] In addition, such as Figure 2 As shown, a baffle A21 is provided on one side of the conveyor belt A1 along the conveying direction, and several alignment plates A22 are arranged on the conveyor belt A1 along the conveying direction. The length direction of each alignment plate A22 is perpendicular to the length direction of the baffle A21. Several workstation areas A2 are formed between the several alignment plates A22 and the baffle A21. Several workstation areas A2 for the abutment and alignment of power supply cells are formed between the baffle A21 and the several alignment plates A22, which facilitates the abutment and alignment of the power supply cells when they are fed at the feeding side of the conveyor belt A1, and improves the consistency of the power supply cell conveying.

[0044] Further, as shown in Figure 1 and Figure 3 , the feeding side and the discharging side of the conveying belt A1 are both provided with a positioning mechanism A6, which is used to abut the battery cell in the work area A2 to the positioning plate A22 and the baffle A21 respectively, so that the battery cell is abutted and aligned. By providing the positioning mechanism A6 on the feeding side of the conveying belt A1, the detection equipment A3 can accurately detect the battery cell and the defective collection mechanism A4 can transfer the unqualified battery cell. By providing the positioning mechanism A6 on the discharging side of the conveying belt A1, the battery cell supplementing mechanism A5 can reposition the qualified battery cell in time after supplementing the qualified battery cell, and the output mechanism can accurately output the qualified battery cell.

[0045] Specifically, as shown in Figure 4 and Figure 5 , the positioning mechanism A6 includes a first positioning block A61 and a second positioning block A62. The first positioning block A61 is slidingly arranged on the conveying belt A1 between any two adjacent positioning plates A22 along the conveying direction of the conveying belt A1. The conveying belt A1 is provided with a first driving mechanism A63. When the battery cell is located between the two adjacent positioning plates A22, the first driving mechanism A63 is used to drive the first positioning block A61 to slide to abut the battery cell to one of the positioning plates A22. The second positioning block A62 is slidingly arranged on the conveying belt A1 along the width direction of the conveying belt A1. When the first positioning block A61 abuts the battery cell to one of the positioning plates A22, the second driving mechanism A64 is used to drive the second positioning block A62 to abut the battery cell to the baffle A21. When the battery cell is located between the two positioning plates A22, the first driving mechanism A63 is started to drive the first positioning block A61 to slide to abut the battery cell to the positioning plate A22, so as to complete the preliminary alignment of one side edge of the battery cell. Then, the second driving mechanism A64 is started to drive the second positioning block A62 to slide to abut the battery cell to the baffle A21, so as to complete the alignment process of the battery cell, thereby realizing the accurate positioning of the battery cell.

[0046] It should be noted that the first driving mechanism A63 and the second driving mechanism A64 in the above embodiment both include a lead screw motor and an air cylinder. Under the mutual action of the lead screw motor and the air cylinder, the first positioning block A61 or the second positioning block A62 can realize double-axis movement, that is, during the conveying of the battery cell, the first positioning block A61 or the second positioning block A62 can move vertically to make way, and when the alignment of the battery cell is needed, the first positioning block A61 or the second positioning block A62 can move vertically until it is in the same horizontal plane as the battery cell, and then move horizontally to abut the battery cell to the positioning plate A22 to complete the preliminary alignment. The lead screw motor and the air cylinder can both adopt the commonly used models on the market, and will not be described here.

[0047] In addition, in an embodiment, as shown in Figure 2As shown, the infrared sensor A7 is arranged on the conveying belt A1 corresponding to each work area A2, the infrared sensor A7, the conveying belt A1, the detection device A3 and the battery core supplementing mechanism A5 are connected in control, the infrared sensor A7 is used for detecting the battery core in the work area A2, through the arrangement of the infrared sensor A7, the position of the work area A2 needing to supplement the battery core can be detected in cooperation with the battery core supplementing mechanism A5.

[0048] The above detailed description does not constitute a limitation on the protection scope of the present application. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for feeding an electric cell with electrolyte, characterized in that it comprises: The application relates to a battery cell detection and output device, which comprises: a conveying belt (A1) provided with a plurality of work station areas (A2) for placing battery cells along a conveying direction; a detection device (A3) arranged on the feeding side of the conveying belt (A1) and used for detecting the battery cells on each work station area (A2) one by one and recording the information of the work station area (A2) where the unqualified battery cell is located; an unqualified battery cell collecting mechanism (A4) connected to the detection device (A3) and used for transferring the unqualified battery cell out of the conveying belt (A1); a battery cell supplementing mechanism (A5) connected to the detection device (A3), which is used for continuously transferring the previously qualified battery cell to the work station area (A2) where the unqualified battery cell is located after the unqualified battery cell is transferred out of the conveying belt (A1) by the unqualified battery cell collecting mechanism (A4); an output mechanism arranged on the discharging side of the conveying belt (A1) and used for simultaneously outputting the battery cells on a plurality of continuous work station areas (A2).

2. The device according to claim 1, wherein, The unqualified battery cell collecting mechanism (A4) comprises an unqualified battery cell collecting box (A41), a first grabbing assembly (A42) and a first double-shaft moving device (A43), the unqualified battery cell collecting box (A41) is open at the top and arranged on one side of the conveying belt (A1), the first grabbing assembly (A42) is connected to the first double-shaft moving device (A43) and used for grabbing the unqualified battery cell on the conveying belt (A1), and the first double-shaft moving device (A43) is used for driving the first grabbing assembly (A42) to move laterally and vertically.

3. The device of claim 1, wherein the device is configured to inject the electrolyte into the battery cell through the injection hole. The battery cell supplementing mechanism (A5) comprises a second grabbing assembly (A51) and a second double-shaft moving device (A52), the second grabbing assembly (A51) is connected to the second double-shaft moving device (A52) and used for grabbing the qualified battery cell on the conveying belt (A1), and the second double-shaft moving device (A52) is used for driving the second grabbing assembly (A51) to move laterally and vertically.

4. The device according to claim 1, wherein, One side of the conveying belt (A1) is provided with a baffle (A21) along the conveying direction, a plurality of alignment plates (A22) are arranged on the conveying belt (A1) along the conveying direction, the length direction of each alignment plate (A22) is perpendicular to the length direction of the baffle (A21), and a plurality of work station areas (A2) are formed between the plurality of alignment plates (A22) and the baffle (A21).

5. The device according to claim 4, wherein the device is characterized by: The feeding side and the discharging side of the conveying belt (A1) are both provided with an alignment mechanism (A6), which is used for abutting the battery cell in the work station area (A2) to the alignment plate (A22) and the baffle (A21) respectively, so that the battery cell is abutted and aligned.

6. The device according to claim 5, wherein the device is characterized by: The alignment mechanism (A6) comprises a first alignment block (A61) and a second alignment block (A62). The first alignment block (A61) is arranged to slide along the conveying direction of the conveying belt (A1) and is located between any two adjacent alignment plates (A22). The conveying belt (A1) is provided with a first driving mechanism (A63). When the battery cell is located between two adjacent alignment plates (A22), the first driving mechanism (A63) is used to drive the first alignment block (A61) to slide and abut the battery cell to one of the alignment plates (A22). The second alignment block (A62) is arranged to slide along the width direction of the conveying belt (A1). The conveying belt (A1) is provided with a second driving mechanism (A64). When the first alignment block (A61) abuts the battery cell to one of the alignment plates (A22), the second driving mechanism (A64) is used to drive the second alignment block (A62) to abut the battery cell to the baffle (A21).

7. The device of claim 1, wherein the device is configured to be used in a process of filling the battery cell with the electrolyte solution. An infrared sensor (A7) is arranged on the conveying belt (A1) corresponding to each work area (A2). The infrared sensor (A7), the conveying belt (A1), the detection device (A3) and the battery cell supplement mechanism (A5) are all connected for control. The infrared sensor (A7) is used to detect the battery cell in the work area (A2).

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