Tab cutting mechanism in lamination, hot pressing and cold pressing operation processes

Abstract

The utility model relates to the technical field of tab cutting, in particular to a tab cutting mechanism in the processes of lamination, hot pressing and cold pressing. The cold pressing device comprises a lower cold pressing plate, a supporting arm is fixedly arranged on one side of the lower cold pressing plate, and a cold pressing mechanism is fixedly installed at the top of the supporting arm; a lower cutting knife is fixedly installed on the front face of the lower cold pressing plate, a supporting frame is fixedly arranged on the top face of the lower cutting knife, and a cutting mechanism is fixedly installed in the middle of the top face of the supporting frame. An adsorption cover is arranged below the cutting mechanism, and one end of the adsorption cover communicates with a negative pressure mechanism. According to the tab cutting mechanism in the lamination, hot pressing and cold pressing operation processes, through the arrangement of the cold pressing mechanism, the transfer manipulator places a battery cell close to the cutting mechanism, the hydraulic cylinder is opened, the upper cold pressing plate is driven to press downwards, and the battery cell is extruded in cooperation with the lower cold pressing plate, so that the effect of quickly cooling and shaping the battery cell is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tab cutting, in particular to a mechanism for tab cutting in the lamination, hot pressing and cold pressing operation process. BACKGROUND

[0002] The battery is divided into positive and negative poles, and the tab is a metal conductor for leading out the positive and negative poles from the battery cell. In popular terms, the ears of the positive and negative poles of the battery are the contact points during charging and discharging. The electrode material after lamination needs to be cut into tabs for subsequent welding and assembly.

[0003] However, the bare battery cell after traditional hot pressing pre-welding is cut, the surface temperature of the battery cell is high, and it is not fully shaped, which affects the cutting of the tab. In addition, metal chips are easily generated during tab cutting, and the escape of metal chips will affect the working environment.

[0004] Therefore, a mechanism for tab cutting in the lamination, hot pressing and cold pressing operation process is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a mechanism for tab cutting in the lamination, hot pressing and cold pressing operation process to solve the problem of high surface temperature of the battery cell, incomplete shaping and metal chips generated during tab cutting affecting the working environment.

[0006] To achieve the above-mentioned purpose, a mechanism for tab cutting in the lamination, hot pressing and cold pressing operation process is provided, which comprises a lower cold pressing plate, a support arm is fixedly arranged on one side of the lower cold pressing plate, and a cold pressing mechanism is fixedly installed on the top of the support arm;

[0007] A lower cutting knife is fixedly installed on the front of the lower cold pressing plate, a support frame is fixedly arranged on the top surface of the lower cutting knife, and a cutting mechanism is fixedly installed on the middle of the top surface of the support frame;

[0008] A suction cover is arranged below the cutting mechanism, a negative pressure mechanism is communicated with one end of the suction cover, and a battery cell is arranged on one side of the top surface of the lower cold pressing plate.

[0009] As a further improvement of the technical solution, the cold pressing mechanism comprises a hydraulic cylinder and an upper cold pressing plate, one side of the hydraulic cylinder is fixedly connected with the support arm, the upper cold pressing plate is fixedly installed on the output end of the hydraulic cylinder, and the hydraulic cylinder is used to drive the upper cold pressing plate to cold press the battery cell.

[0010] As a further improvement of the technical solution, the cutting mechanism comprises an electric push rod and an upper cutting knife, the electric push rod is fixedly installed on the middle of the top surface of the support frame, and the upper cutting knife is fixedly connected with the output end of the electric push rod. The upper cutting knife is used to cut the tab of the battery cell.

[0011] As a further improvement to this technical solution, the negative pressure mechanism includes a collection pipe, a collection box, and a negative pressure fan. One end of the collection pipe is connected to the adsorption hood, and the collection box is connected to the end of the collection pipe away from the adsorption hood. The negative pressure fan is fixedly installed on the surface of the collection box, and the top surface of the collection box is fixedly installed on the bottom surface of the lower cold press plate. The collection box is used to collect metal shavings.

[0012] As a further improvement to this technical solution, limit posts are fixedly provided around the top surface of the lower cold press plate, and the upper cold press plate is slidably connected to the limit posts, with the limit posts limiting the upper cold press plate.

[0013] As a further improvement to this technical solution, support legs are fixedly provided around the bottom surface of the lower cold platen. The support legs are distributed in a rectangular array and are used to support the lower cold platen.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. In the electrode tab cutting mechanism during the stacking, hot pressing, and cold pressing process, the cold pressing mechanism is set up so that the battery cell is placed near the cutting mechanism by the transfer robot. The hydraulic cylinder is opened, which drives the upper cold pressing plate to press down, and the lower cold pressing plate squeezes the battery cell, thereby achieving the effect of rapid cooling and shaping of the battery cell.

[0016] 2. In the electrode tab cutting mechanism during the stacking, hot pressing, and cold pressing processes, the electric push rod is turned on to drive the upper cutting blade to press down, which works in conjunction with the lower cutting blade to cut the electrode tabs of the battery cell. During the cutting process, the negative pressure fan is turned on to create a suction force in the collection box. The metal shavings generated during the cutting process are collected through the collection pipe and the suction hood, preventing the metal shavings from scattering everywhere and polluting the working environment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the cold pressing mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the cutting mechanism of this utility model;

[0020] Figure 4 This is a schematic diagram of the negative pressure mechanism of this utility model.

[0021] The meanings of the labels in the diagram are as follows:

[0022] 1, lower cold pressing plate; 2, support arm; 3, cold pressing mechanism; 301, hydraulic cylinder; 302, upper cold pressing plate; 4, lower cutting knife; 5, support frame; 6, cutting mechanism; 601, electric push rod; 602, upper cutting knife; 7, suction cover; 8, negative pressure mechanism; 801, collection pipe; 802, collection box; 803, negative pressure fan; 9, battery cell; 10, limiting column; 11, supporting leg. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] Please refer to Figures 1-4 The present embodiment aims to provide a mechanism for cutting tabs during lamination, hot pressing and cold pressing operations, which comprises a lower cold pressing plate 1, one side of the lower cold pressing plate 1 is fixedly provided with a support arm 2, the top of the support arm 2 is fixedly installed with a cold pressing mechanism 3, through the arrangement of the cold pressing mechanism 3, the battery cell 9 is placed close to the cutting mechanism 6 through the transfer robot, the hydraulic cylinder 301 is opened to drive the upper cold pressing plate 302 to press down, and the lower cold pressing plate 1 is pressed to extrude the battery cell 9, achieving the effect of quickly cooling and shaping the battery cell 9;

[0026] The front surface of the lower cold pressing plate 1 is fixedly installed with a lower cutting knife 4, the top surface of the lower cutting knife 4 is fixedly provided with a support frame 5, and the top surface of the support frame 5 is fixedly installed with a cutting mechanism 6 in the middle;

[0027] The cutting mechanism 6 is provided below the suction cover 7, one end of the suction cover 7 is communicated with the negative pressure mechanism 8, through the setting of the suction cover 7 and the negative pressure mechanism 8, the electric push rod 601 is opened, the upper cutting knife 602 is driven to press down, and the tab of the battery cell 9 is cut off in cooperation with the lower cutting knife 4, when cutting, the negative pressure fan 803 is opened, so that the collecting box 802 generates suction force, through the collecting pipe 801 and the suction cover 7, the metal chips generated in the cutting process are collected, so as to avoid the metal chips scattered everywhere to pollute the working environment, and the top surface of the lower cold pressing plate 1 is provided with the battery cell 9.

[0028] Please refer to Figure 2 , the cold pressing mechanism 3 includes a hydraulic cylinder 301 and an upper cold pressing plate 302, one side of the hydraulic cylinder 301 is fixedly connected with the supporting arm 2, and the upper cold pressing plate 302 is fixedly installed on the output end of the hydraulic cylinder 301.

[0029] Through the setting of the cold pressing mechanism 3, the hydraulic cylinder 301 is opened, the upper cold pressing plate 302 is driven to press down, and the battery cell 9 is extruded in cooperation with the lower cold pressing plate 1, so as to achieve the effect of quickly cooling and shaping the battery cell 9.

[0030] Please refer to Figure 3 , the cutting mechanism 6 includes an electric push rod 601 and an upper cutting knife 602, the electric push rod 601 is fixedly installed on the middle of the top surface of the supporting frame 5, and the upper cutting knife 602 is fixedly connected with the output end of the electric push rod 601.

[0031] Through the setting of the cutting mechanism 6, the electric push rod 601 is opened, the upper cutting knife 602 is driven to press down, and the tab of the battery cell 9 is cut off in cooperation with the lower cutting knife 4.

[0032] Please refer to Figure 4 , the negative pressure mechanism 8 includes a collecting pipe 801, a collecting box 802 and a negative pressure fan 803, one end of the collecting pipe 801 is communicated with the suction cover 7, the collecting box 802 is communicated with the end of the collecting pipe 801 away from the suction cover 7, the negative pressure fan 803 is fixedly arranged on the surface of the collecting box 802, and the top surface of the collecting box 802 is fixedly installed on the bottom surface of the lower cold pressing plate 1.

[0033] Through the setting of the negative pressure mechanism 8, when cutting, the negative pressure fan 803 is opened, so that the collecting box 802 generates suction force, through the collecting pipe 801 and the suction cover 7, the metal chips generated in the cutting process are collected, so as to avoid the metal chips scattered everywhere to pollute the working environment.

[0034] Please refer to Figure 2 , the limiting column 10 is fixedly arranged around the top surface of the lower cold pressing plate 1, and the upper cold pressing plate 302 is slidably connected with the limiting column 10.

[0035] Through the setting of the limiting column 10, the upper cold pressing plate 302 is limited.

[0036] Please refer to Figure 2 The lower cold pressing plate 1 is fixedly provided with support legs 11 around the bottom surface.

[0037] The support legs 11 support the lower cold pressing plate 1.

[0038] Working steps: the battery cell 9 is placed by the transfer robot near the cutting mechanism 6, the hydraulic cylinder 301 is opened, the upper cold pressing plate 302 is driven to press down, the battery cell 9 is extruded by the lower cold pressing plate 1, and the battery cell 9 is quickly cooled and shaped;

[0039] The electric push rod 601 is opened, the upper cutting knife 602 is driven to press down, and the tab of the battery cell 9 is cut by the lower cutting knife 4.

[0040] During cutting, the negative pressure fan 803 is opened, the collecting box 802 generates suction force, the metal chips generated in the cutting process are collected through the collecting pipe 801 and the adsorption cover 7, and the working environment is prevented from being polluted by the scattered metal chips.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. The skilled in the art should understand that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and the changes and improvements all fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A mechanism for cutting tab during lamination, hot-pressing, and cold-pressing operations, characterized by: Including lower cold pressing plate (1), one side of lower cold pressing plate (1) is fixedly provided with support arm (2), and top of support arm (2) is fixedly installed with cold pressing mechanism (3); Front surface of lower cold pressing plate (1) is fixedly installed with lower cutting knife (4), top surface of lower cutting knife (4) is fixedly provided with support frame (5), and middle part of top surface of support frame (5) is fixedly installed with cutting mechanism (6); Lower portion of cutting mechanism (6) is provided with adsorption cover (7), one end of adsorption cover (7) is communicated with negative pressure mechanism (8), and one side of top surface of lower cold pressing plate (1) is provided with electric core (9).

2. The mechanism for tab cropping during lamination, hot-pressing, cold-pressing operations according to claim 1, characterized in that: The cold pressing mechanism (3) comprises a hydraulic cylinder (301) and an upper cold pressing plate (302), one side of the hydraulic cylinder (301) is fixedly connected with the support arm (2), and the upper cold pressing plate (302) is fixedly installed on the output end of the hydraulic cylinder (301).

3. The mechanism for tab cropping during lamination, hot-pressing, cold-pressing operations according to claim 1, characterized in that: The cutting mechanism (6) comprises an electric push rod (601) and an upper cutting knife (602), the electric push rod (601) is fixedly installed on the middle part of the top surface of the support frame (5), and the upper cutting knife (602) is fixedly connected with the output end of the electric push rod (601).

4. The mechanism for tab cropping during lamination, hot-pressing, cold-pressing operations according to claim 1, characterized in that: The negative pressure mechanism (8) comprises a collecting pipe (801), a collecting box (802) and a negative pressure fan (803), one end of the collecting pipe (801) is communicated with the adsorption cover (7), the collecting box (802) is communicated with the end of the collecting pipe (801) away from the adsorption cover (7), the negative pressure fan (803) is fixedly arranged on the surface of the collecting box (802), and the top surface of the collecting box (802) is fixedly installed on the bottom surface of the lower cold pressing plate (1).

5. The mechanism for tab trimming during lamination, hot-pressing, cold-pressing operations according to claim 2, characterized in that: Limiting columns (10) are fixedly arranged on the top surface of the lower cold pressing plate (1) in the periphery, and the upper cold pressing plate (302) is slidably connected with the limiting columns (10).

6. The mechanism for tab cropping during lamination, hot-pressing, cold-pressing operations of claim 1, wherein: Support legs (11) are fixedly arranged on the bottom surface of the lower cold pressing plate (1) in the periphery, and the support legs (11) are distributed in a rectangular array.

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