Soft package lithium battery tab cutting fillet jig

Abstract

The utility model discloses a soft package lithium battery tab cutting fillet jig in the field of battery tab cutting, which comprises an air cylinder support platform, a hardware cutter module and a battery positioning platform, the hardware cutter module is arranged between an air cylinder and the battery positioning platform and is used for cutting a battery tab into an arc shape; the hardware knife module comprises an upper cutting knife and a lower cutting knife, the knife edge of the upper cutting knife and the knife edge of the lower cutting knife are both in an arc shape, and the upper cutting knife is driven by the air cylinder to do linear motion. The edge of the upper cutting knife and the edge of the lower cutting knife are arc-shaped, battery tabs can be cut to be arc-shaped, the battery tabs have no sharp corners, the anomalies of scratching, puncturing and the like of the tabs between batteries are avoided, the quality of the batteries is improved, the batteries are fixed at one position through the battery positioning platform, and the battery tabs can be cut by moving the upper cutting knife, so that the battery tabs can be cut to be arc-shaped. And the cutting of the battery tab is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery cutting device field especially relates to a soft package lithium battery tab cutting round corner tool. BACKGROUND

[0002] In lithium battery, battery tab is especially important as electronic output channel. In order to facilitate the connection between tab and battery, the length of tab is longer, and the longer tab is cut later, but the traditional battery cutting mechanism has poor cutting effect, and can only cut battery tab right angle, cannot cut round angle. UTILITY MODEL CONTENTS

[0003] The utility model discloses a soft package lithium battery tab cutting round corner tool, which cuts the battery tab into an arc shape by setting the arc-shaped cutting upper knife and cutting lower knife.

[0004] To solve the above technical problems, the following technical scheme is adopted:

[0005] The utility model provides a soft package lithium battery tab cutting round corner tool, including cylinder support platform, hardware cutter module and battery positioning platform, be equipped with cylinder and slide rail module on the cylinder support platform, the battery positioning platform sets up on the slide rail module, the hardware cutter module is used for cutting the tab of battery into arc shape;

[0006] The hardware cutter module includes a cutting upper knife and a cutting lower knife, and the cutting edges of the cutting upper knife and the cutting lower knife are arc-shaped. The cutting upper knife is driven by the cylinder to move linearly.

[0007] Optionally, the hardware cutter module further includes a cutting upper template and a cutting base, and the cutting upper template and the cutting base are connected by guide columns and guide sleeves. One end of the guide column is installed on the cutting base, one end of the guide sleeve is installed on the cutting upper template, and the other end of the guide sleeve is movably connected with the other end of the guide column.

[0008] Optionally, the guide column and the guide sleeve are each provided with two.

[0009] Optionally, the cutting upper template is connected with the telescopic end of the cylinder, and the cutting upper template is connected with the cylinder support platform through a cylinder connecting plate.

[0010] Optionally, the cutting upper template is connected with the cutting upper knife through an upper knife fixing plate, the cutting base is provided with the cutting lower knife, and the cutting upper knife and the cutting lower knife are perpendicular to each other.

[0011] Optionally, one end of the cutting upper knife is movably connected with a cutting pressing plate, the cutting pressing plate is connected with the upper knife fixing plate through a guide rod, and the guide rod is provided with a spring.

[0012] Optionally, the guide rod is provided with two.

[0013] Optionally, the cylinder support platform comprises a cylinder fixing plate, cylinder fixing supports and a cutting bottom plate, the cylinder fixing plate and the cylinder fixing supports on both sides form an inverted U-shaped structure arranged on the cutting bottom plate, the cylinder is installed on the cylinder fixing plate, and the slide rail module is arranged on the cutting bottom plate.

[0014] Optionally, the battery positioning platform is provided with a tab limiting mechanism.

[0015] Optionally, the cylinder support platform is arranged on a bottom plate, the bottom plate is arranged on an electric control box, and the cylinder is controlled by the electric control box and a foot valve.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1、The cutting upper knife and the cutting lower knife are both arc-shaped, so that the battery tab can be cut into an arc shape, the battery tab has no sharp corner, the battery tab is prevented from being scratched or punctured between batteries, the quality of the battery is improved, the battery is fixed at a position by the battery positioning platform, and the battery tab is cut by moving the cutting upper knife.

[0018] 2、The cutting upper template is moved by the cylinder, the cutting upper knife is moved by the cutting upper template, the battery tab is cut, the cutting pressure plate is arranged on the cutting upper knife and is used for pressing the battery tab, so that the battery tab is prevented from being deflected during cutting, the tab limiting mechanism is arranged on the battery positioning platform and is used for limiting the battery tab, and the stability of the tab cutting is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a whole structure schematic view of a battery tab cutting round corner jig in the embodiment of the utility model;

[0020] Figure 2 is one of five metal knife module structure schematic views in the embodiment of the utility model;

[0021] Figure 3 is another of five metal knife module structure schematic views in the embodiment of the utility model;

[0022] Figure 4 is a cylinder support platform structure schematic view in the embodiment of the utility model;

[0023] Figure 5 is a battery positioning platform structure schematic view in the embodiment of the utility model;

[0024] Figure 6It is the schematic diagram of the electric control box and bottom plate structure in the embodiment of the utility model.

[0025] Mark explanation:

[0026] Cylinder; 2, cylinder fixed plate; 3, cylinder fixed support; 4, cutting bottom plate; 5, slide rail module; 6, battery positioning platform; 7, tab limiting mechanism; 8, cylinder connecting plate; 9, cutting upper die plate; 10, upper knife fixed plate; 11, cutting upper knife; 12, guide rod; 13, spring; 14, cutting pressing plate; 15, cutting lower knife; 16, guide column; 17, guide sleeve; 18, cutting base; 19, bottom plate; 20, electric control box; 21, foot valve. Specific implementation

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. The description of the at least one exemplary embodiment is actually only illustrative, not as any limitation on the utility model and its application or use.

[0028] Embodiment one

[0029] The embodiment provides a kind of soft package lithium battery tab cutting round corner tool, including cylinder support platform, hardware cutter module and battery positioning platform 6, cylinder 1 and slide rail module 5 are equipped on the cylinder support platform, the battery positioning platform 6 is set on the slide rail module 5, the hardware cutter module is used to cut the tab of battery into arc shape;

[0030] The hardware cutter module includes cutting upper knife 11 and cutting lower knife 15, the cutting edge of cutting upper knife 11 and cutting lower knife 15 is arc-shaped, cutting upper knife 11 is driven to do linear motion by cylinder 1.

[0031] As Figure 1 As shown, battery positioning platform 6 is set on the slider of slide rail module 5, moves by slider on slide rail, realizes the movement of battery platform, places battery on battery positioning platform 6, then the tab on battery is set between cutting upper knife 11 and cutting lower knife 15 and is cut. The cutting edge of cutting upper knife 11 and cutting lower knife 15 is arc-shaped, can cut the tab of battery into arc shape, avoids the abnormality such as puncture, damage between battery.

[0032] Embodiment two

[0033] The embodiment provides a kind of soft package lithium battery tab cutting round corner tool based on embodiment 1, the difference is that:

[0034] As Figure 2As shown, the hardware cutter mold set further comprises a cutting upper die plate 9 and a cutting base 18. The cutting upper die plate 9 is arranged directly above the cutting base 18 and is connected with the cutting base 18 through guide columns 16 and guide sleeves 17. One end of the guide sleeve 17 is connected with the lower surface of the cutting upper die plate 9, and the guide columns 16 are connected with the upper surface of the cutting base 18. Both the guide columns 16 and the guide sleeves 17 are arranged on both sides of the cutting base 18 and the cutting upper die plate 9. One end of the guide column 16 is arranged in the guide sleeve 17, and the guide sleeve 17 can move in the guide column 16. A ball bushing is arranged between the guide sleeve 17 and the guide column 16 to improve the smoothness of the relative movement between the guide column 16 and the guide sleeve 17.

[0035] An upper cutter fixing plate 10 is arranged at the middle position of the lower surface of the cutting upper die plate 9. The lower surface of the upper cutter fixing plate 10 is provided with a cutting upper cutter 11 arranged through a screw. The cutting upper cutter 11 is aligned with a cutting lower cutter 15 through a cutting pressure plate 14. The cutting upper cutter 11 is columnar and is provided with a cutter edge at one end. The cutting upper cutter 11 is perpendicular to the cutting lower cutter 15.

[0036] The cutting pressure plate 14 is connected with the upper cutter fixing plate 10 through guide rods 12. The guide rods 12 are arranged in two to improve the stability of the installation of the cutting pressure plate 14. A spring 13 is arranged on the guide rod 12 to buffer the movement of the cutting pressure plate 14 and avoid the impact when the cutting pressure plate 14 moves towards the cutting lower cutter 15.

[0037] As shown, Figure 4 The cylinder support platform comprises a cylinder fixing plate 2, cylinder fixing supports 3 and a cutting bottom plate 4. The cylinder is arranged on the cylinder fixing plate 2, and the telescopic end of the cylinder 1 is located below the cylinder fixing plate 2. The cylinder fixing plate 2 is connected with the cutting bottom plate 4 through two cylinder fixing supports 3 which are perpendicular to the ends of the cylinder fixing plate 2. The two cylinder fixing supports 3 and the cylinder fixing plate 2 form an inverted U-shaped structure and are arranged at one end of the cutting bottom plate 4. A slide rail is arranged at the middle position of the cutting bottom plate 4 and is used for installing a battery positioning platform 6.

[0038] As shown, Figure 1 The cutting upper die plate 9 is connected with the cylinder fixing plate 2 through a cylinder connecting plate 8. The cylinder fixing plate 2 is provided with a U-shaped hole, and the telescopic end of the cylinder 1 is connected with the cutting upper die plate 9 through the U-shaped hole. The cutting base 18 is arranged on the cutting bottom plate 4, and the upper surface of the cutting upper die plate 9 is connected with the telescopic end of the cylinder 1. The cylinder 1 is telescoped to realize the up-and-down movement of the cutting upper die plate 9, thereby realizing the up-and-down movement of the cutting upper cutter 11.

[0039] As shown, Figure 5As shown, the tab limiting mechanism 7 is arranged on one end of the battery positioning platform 6, and is used to install the tab of the battery and position the tab thereon to avoid movement of the tab. The battery positioning platform 6 is installed on the sliding block of the sliding rail module 5, and moves on the sliding rail through the sliding block to realize movement of the battery and facilitate replacement of the cutting battery.

[0040] The cutting base 18 is installed on the bottom plate 19, the bottom plate 19 is installed on the electric control box 20, the electric control box 20 is a control unit that controls start and stop of the air cylinder 1, the control box is connected with the foot valve 21, and the up-down movement of the air cylinder 1 is controlled through the foot valve 21 to realize the up-down movement of the cutting upper knife 11 and thus realize the cutting work of the battery tab.

[0041] The battery positioning platform 6 is made of an anti-static material to avoid damage to the battery. The electric control box and the foot valve 21 are made of metal material. The surface of the bottom plate 19 is blackened. The materials of the air cylinder fixing plate 2, the air cylinder connecting plate 8 and the air cylinder fixing bracket 3 are steel. The materials of the cutting upper knife 11 and the cutting lower knife 15 are tungsten steel.

[0042] In use, the battery is placed on the battery positioning platform 6, the battery tab is arranged on the tab limiting mechanism 7, the sliding block is moved to move on the sliding rail, one end of the battery tab is placed between the cutting upper knife 11 and the cutting lower knife 15, then the foot valve 21 is stepped on, the electromagnetic valve in the air cylinder 1 is electrified, the extension end of the air cylinder 1 is lowered, the cutting upper die plate 9 is moved downward, the cutting pressure plate 14 is driven to press downward on the tab, the battery tab is pressed and cut, at the same time, the cutting upper knife 11 is lowered, the cutting upper knife 11 and the cutting lower knife 15 jointly cut the tab to complete one cutting of the tab. The cutting edges of the cutting upper knife 11 and the cutting lower knife 15 are in arc shape, the shape of the cut tab is also in arc shape, which avoids piercing and damage of the tab between the batteries and improves the yield of the batteries.

[0043] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on indicate the orientation or positional relation based on the orientation or positional relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the limitation to the utility model. In addition, the term "first", "second" and so on are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and so on can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two. In the description of the utility model, it needs to be explained that, unless otherwise specified and limited, the term "mounting", "connected", "connection" should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected, can be mechanically connected, can also be electrically connected, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood through specific circumstances.

[0044] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled in the art, under the premise of not departing from the technical principles of the utility model, a number of improvements and deformations can be made, and these improvements and deformations should also be regarded as the protection scope of the utility model.

Claims

1. A fixture for cutting rounded corners of tabs in soft-pack lithium batteries, characterized in that, It includes a cylinder support platform, a hardware cutting module and a battery positioning platform. The cylinder support platform is equipped with a cylinder and a slide rail module. The battery positioning platform is set on the slide rail module. The hardware cutting module is used to cut the battery tabs into an arc shape. The hardware knife module includes an upper cutting knife and a lower cutting knife. The cutting edges of both the upper and lower cutting knives are arc-shaped. The upper cutting knife is driven by the cylinder to make linear motion.

2. The fixture for cutting rounded corners of soft-pack lithium battery tabs according to claim 1, characterized in that, The hardware knife module also includes a cutting upper template and a cutting base. The cutting upper template and the cutting base are connected by a guide post and a guide sleeve. One end of the guide post is installed on the cutting base, one end of the guide sleeve is installed on the cutting upper template, and the other end of the guide sleeve is movably connected to the other end of the guide post.

3. The fixture for cutting rounded corners of soft-pack lithium battery tabs according to claim 2, characterized in that, Both the guide post and the guide sleeve are provided in pairs.

4. The fixture for cutting rounded corners of the tabs of a soft-pack lithium battery according to claim 2, characterized in that, The upper cutting template is connected to the telescopic end of the cylinder, and the upper cutting template is connected to the cylinder support platform through the cylinder connecting plate.

5. The fixture for cutting rounded corners of the tabs of a soft-pack lithium battery according to claim 2, characterized in that, The upper cutting template is connected to the upper cutting blade via an upper blade fixing plate, and the lower cutting blade is provided on the cutting base. The upper cutting blade and the lower cutting blade are perpendicular to each other.

6. The fixture for cutting rounded corners of the tabs of a soft-pack lithium battery according to claim 5, characterized in that, One end of the upper cutting blade is movably connected to the cutting pressure plate, and the cutting pressure plate is connected to the upper blade fixing plate through a guide rod, which is equipped with a spring.

7. The fixture for cutting rounded corners of the tabs of a soft-pack lithium battery according to claim 6, characterized in that, There are two guide rods.

8. The fixture for cutting rounded corners of the tabs of a soft-pack lithium battery according to claim 1, characterized in that, The cylinder support platform includes a cylinder fixing plate, a cylinder fixing bracket, and a cutting base plate. The cylinder fixing plate and the cylinder fixing brackets on both sides form an inverted U-shaped structure on the cutting base plate. The cylinder is mounted on the cylinder fixing plate, and the slide rail module is set on the cutting base plate.

9. The fixture for cutting rounded corners of the tabs of a soft-pack lithium battery according to claim 1, characterized in that, The battery positioning platform is equipped with a tab limiting mechanism.

10. The fixture for cutting rounded corners of the tabs of a soft-pack lithium battery according to claim 1, characterized in that, The cylinder support platform is mounted on the base plate, and the base plate is mounted on the electrical control box. The cylinder is controlled by the electrical control box and the foot valve.

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