Lithium ion battery cell width shaping tool

Abstract

The utility model relates to a width shaping tool for a lithium ion battery cell. The width shaping tool comprises a bottom plate, a hand push rod, a movable rod, a cell receiving table and shaping rollers, when the hand push rod is pushed forwards, the movable rod can be driven to move forwards parallel to the bottom plate; the battery cell receiving table is connected with the movable rod, and the movable rod can drive the battery cell receiving table to move forwards when moving forwards; shaping rollers are respectively arranged on two sides of a moving path of the battery cell receiving table; a lithium ion battery cell is placed on the cell receiving table, and the lithium ion battery cell passes through the shaping rollers on the two sides to be subjected to width shaping when moving forwards along with the cell receiving table. The battery shaping device solves the problem that the width of the battery is ultra-wide, reduces the reject ratio of the battery, avoids yield loss caused by the width problem of the battery cell, is convenient and efficient to operate, and can adjust the shaping distance of the battery cell.

Description

Technical Field

[0001] The utility model relates to the technical field of battery preparation, in particular to a width shaping tool for a lithium ion battery cell. Background Art

[0002] Lithium-ion batteries are new green high-energy batteries with excellent performance. They are characterized by high capacity, no memory effect, no pollution, small size, low internal resistance, low self-discharge, and high cycle times. Lithium-ion batteries have been widely used in mobile phones, electronic cigarettes, computers, cameras, drones, robots, etc.

[0003] In the manufacturing process of lithium-ion batteries, the lithium-ion battery cell needs to be wrapped with aluminum-plastic film outside the cell after winding. In order to prevent the cell from being too wide and unable to be installed in the corresponding installation area, the side width of the aluminum-plastic film needs to be shaped. After the aluminum-plastic film is heated at high temperature during packaging, the seal of the aluminum-plastic film will become thicker, and the cell width will be too wide after the cell is folded. Utility Model Content

[0004] The utility model aims to provide a lithium-ion battery core width shaping tool, by which the lithium-ion battery core whose width does not meet the requirements can be conveniently processed and inspected.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A lithium-ion battery cell width shaping tool comprises a bottom plate, a hand push rod, a movable rod, a cell receiving platform and shaping rollers; the movable rod is connected to the hand push rod through a connecting piece, and the hand push rod can drive the movable rod to move forward parallel to the bottom plate when it is pushed forward; the cell receiving platform is connected to the movable rod, and the movable rod can drive the cell receiving platform to move forward when it moves forward; shaping rollers are respectively provided on both sides of the moving path of the cell receiving platform; a lithium-ion battery cell is placed on the cell receiving platform, and the lithium-ion battery cell passes between the shaping rollers on both sides when it moves forward with the cell receiving platform.

[0007] In order to optimize the above technical solution, specific measures taken also include: the shaping roller includes a reference roller and an adjustable roller, which are respectively located on both sides of the moving path of the battery cell receiving platform.

[0008] A guide rail is arranged below the moving path of the battery cell receiving platform, a slider is installed at the bottom of the battery cell receiving platform, and the battery cell receiving platform slides in the guide rail through the slider.

[0009] The reference roller is fixedly mounted on one side of the moving path of the battery receiving platform; a roller fixing mounting seat is provided at the mounting position of the reference roller, and a fixed mounting hole is provided on the roller fixing mounting seat.

[0010] Furthermore, a reference positioning rib is provided on the side of the path between the roller fixing mounting seat and the initial position of the battery cell receiving platform.

[0011] An adjustable mounting seat is provided at the mounting position of the adjustable roller, and the adjustable mounting seat can move along the surface of the bottom plate perpendicular to the moving path of the battery cell receiving platform.

[0012] The adjustable mounting seat includes an adjusting rod, a fixed seat and a movable seat, and the adjustable roller is installed on the movable seat; one end of the adjusting rod passes through the fixed seat and is connected to the movable seat, and the distance between the adjustable roller and the reference roller is changed by adjusting the position of the movable seat; limit platforms are provided on both sides of the moving path of the movable seat of the adjustable mounting seat.

[0013] A push rod mounting seat installed on the bottom plate is provided below the push rod, the push rod is fixedly connected through the front end of the first connecting member, the rear end of the first connecting member is hinged to the raised end provided at the rear end of the push rod mounting seat, the front end of the first connecting member is hinged to the rear end of the second connecting member, and the front end of the second connecting member is hinged to the rear end of the movable rod.

[0014] Furthermore, a guide seat is fixedly mounted on the front upper side of the push rod mounting seat, a through hole is provided in the guide seat, and the movable rod passes through the through hole of the guide seat.

[0015] Furthermore, the rear end of the battery cell receiving platform is provided with a connection block, and the battery cell receiving platform is installed on the front end of the movable rod through the connection block; the front end of the movable rod is provided with a thread, and is installed and fastened by a nut.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model enables a battery cell to be placed on a cell receiving platform, and to reach a shaping position under the push of a hand push rod, and to be rolled by shaping rollers on both sides of the cell, and to be taken out and measured by a digital caliper for measuring the width of the cell after shaping, so as to evaluate whether the width of the cell after shaping meets the process requirements; after the shaping of the battery cell is completed, the hand push rod is pulled up, the cell receiving platform retreats, the battery cell to be shaped is put back, the hand push rod is pushed forward again, and the shaping steps are repeated, the operation is convenient and efficient, and the shaping distance of the battery cell can be adjusted, and the adjustability is good.

[0018] The utility model solves the problem of excessive battery width, reduces the defective rate of the battery, avoids the loss of yield due to the battery cell width problem, increases revenue, is simple to operate, and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 : A schematic structural diagram of a lithium-ion battery cell width shaping tooling of the present invention.

[0020] Figure 2 : A schematic diagram of the top view of the width shaping tool for a lithium-ion battery cell of the present invention.

[0021] Figure 3 : A side structural schematic diagram of a lithium-ion battery cell width shaping tooling of the present invention.

[0022] In the figure: 1-bottom plate, 2-hand push rod, 3-movable rod, 4-nut, 5-connecting block, 6-reference positioning rib, 7-reference roller, 8-battery cell receiving platform, 9-guide rail, 10-first slider, 11-second slider, 12-adjusting rod, 13-fixed seat, 14-movable seat, 15-adjustable roller, 16-limiting platform, 17-hand push rod mounting seat, 18-first connecting piece, 19-second connecting piece, 20-guide seat. DETAILED DESCRIPTION

[0023] The above contents of the utility model are further described in detail below in the form of embodiments, but this should not be understood as the scope of the above subject matter of the utility model is limited to the following embodiments. All technologies realized based on the above contents of the utility model belong to the scope of the utility model.

[0024] In the description of the present utility model, it is also necessary to explain that:

[0025] The orientation or position relationship is based on the relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. In this embodiment, for description purposes, the orientation to the right in the figure is taken as the front.

[0026] The utility model provides a lithium-ion battery cell width shaping tool, such as Figure 1-3 As shown, it includes a base plate 1, a push rod 2, a movable rod 3, a battery cell receiving platform 8 and shaping rollers; the movable rod 3 is connected to the push rod 2 through a connecting piece, and when the push rod 2 is pushed forward, it can drive the movable rod 3 to move forward parallel to the base plate 1; the battery cell receiving platform 8 is connected to the movable rod 3, and when the movable rod 3 moves forward, it can drive the battery cell receiving platform 8 to move forward; shaping rollers are respectively provided on both sides of the moving path of the battery cell receiving platform 8; lithium-ion battery cells are placed on the battery cell receiving platform 8, and the lithium-ion battery cells pass between the shaping rollers on both sides when the battery cell receiving platform 8 moves forward.

[0027] A push rod mounting seat 17 installed on the base plate 1 is provided below the push rod 2. The push rod 2 is fixedly connected through the front end of the first connecting member 18. The rear end of the first connecting member 18 is hinged to the raised end provided at the rear end of the push rod mounting seat 17. The front end of the first connecting member 18 is hinged to the rear end of the second connecting member 19. The front end of the second connecting member 19 is hinged to the rear end of the movable rod 3.

[0028] A guide seat 20 is fixedly mounted on the front upper side of the push rod mounting seat 17 . The guide seat 20 has a through hole therein, and the movable rod 3 passes through the through hole of the guide seat 20 .

[0029] The cell receiving platform 8 has a connection block 5 at the rear end, and the cell receiving platform 8 is installed at the front end of the movable rod 3 through the connection block 5; the front end of the movable rod 3 has a thread and is installed and fastened by a nut 4. When in use, the connection block 5 is installed at the front end of the movable rod 3 and fixed by the nut 4 on the thread.

[0030] The shaping rollers include a reference roller 7 and an adjustable roller 15, which are respectively located on both sides of the moving path of the battery receiving platform 8. Preferably, the central axis line of the reference roller 7 and the adjustable roller 15 of the rollers on both sides is a horizontal line perpendicular to the moving path of the battery receiving platform 8.

[0031] A guide rail 9 is provided below the moving path of the cell receiving platform 8 , and a slider is installed at the bottom of the cell receiving platform 8 . The cell receiving platform 8 slides in the guide rail 9 through the slider, which includes a first slider 10 and a second slider 11 in the embodiment.

[0032] The reference roller 7 is installed and fixed on one side of the moving path of the battery cell receiving platform 8; a roller fixing mounting seat is provided at the installation position of the reference roller 7, and a fixed mounting hole is provided on the roller fixing mounting seat. Before use, the reference roller 7 is installed on the fixed mounting hole of the roller fixing mounting seat.

[0033] A reference positioning rib 6 is provided on the side of the path between the roller fixing mounting seat and the initial position of the battery core receiving platform 8 .

[0034] An adjustable mounting seat is provided at the mounting position of the adjustable roller 15, and the adjustable mounting seat can move along the surface of the bottom plate 1 perpendicular to the moving path of the battery cell receiving platform 8.

[0035] The adjustable mounting seat includes an adjusting rod 12, a fixed seat 13 and a movable seat 14, and an adjustable roller 15 is mounted on the movable seat 14; one end of the adjusting rod 12 passes through the fixed seat 13 and is connected to the movable seat 14, and the distance between the adjustable roller 15 and the reference roller 7 is changed by adjusting the position of the movable seat 14; limit platforms 16 are provided on both sides of the moving path of the movable seat 14 of the adjustable mounting seat. The other end of the adjusting rod 12 is an adjusting screw, and when in use, an inner hexagonal wrench can be used to rotate and control the distance between the adjustable roller 15 mounted on the movable seat 14 and the reference roller 7, and the appropriate distance needs to be adjusted according to the width size of the replacement battery cell.

[0036] When in use, install the reference roller 7 and adjust the adjustable roller 15 so that it has a shaping function of a certain width size; place a lithium-ion battery cell on the battery cell receiving platform 8; pull the hand push rod 2 forward to drive the movable rod 3 through the connecting piece, and the movable rod 3 and the battery cell receiving platform 8 move forward. When the lithium-ion battery cell moves forward with the battery cell receiving platform 8, it passes through the reference rollers 7 and the adjustable rollers 15 on both sides to squeeze the two sides. After the lithium-ion battery cell is completely rolled, it is taken out from the front side (the right side in the figure), and then the width value of the battery cell after shaping is measured by a digital caliper to evaluate whether the width of the battery cell after shaping meets the process requirements.

[0037] Figure 1-3 The figures in the figure all show that the push rod 2 has been pushed forward. At this time, the first connecting member 18 and the second connecting member 19 have fallen on the push rod mounting seat 17, the movable rod 3 passes through the guide seat 20 and moves forward, and the battery cell receiving platform 8 reaches the shaping position; after the shaping of the current battery cell is completed, the push rod 2 is pulled up, the battery cell receiving platform 8 retreats, and the battery cell to be shaped is put back, and the push rod 2 is pushed forward again, and the shaping steps are repeated. The operation is convenient and efficient, and the adjustability is good.

[0038] The above description is only a preferred embodiment of the utility model and does not constitute any form of limitation to the utility model. Any technician familiar with the profession, without departing from the scope of the technical solution of the utility model and based on the technical essence of the utility model, any simple modification, equivalent replacement and improvement made to the above embodiment shall still fall within the scope of protection of the technical solution of the utility model.

Claims

1. A tool for shaping the width of a lithium-ion battery cell, characterized in that: It includes a bottom plate, a push rod, a movable rod, a battery cell receiving platform and shaping rollers; the movable rod is connected to the push rod through a connecting piece, and the push rod can drive the movable rod to move forward parallel to the bottom plate when it is pushed forward; the battery cell receiving platform is connected to the movable rod, and the movable rod can drive the battery cell receiving platform to move forward when it moves forward; shaping rollers are respectively provided on both sides of the moving path of the battery cell receiving platform; lithium-ion battery cells are placed on the battery cell receiving platform, and the lithium-ion battery cells pass between the shaping rollers on both sides when the battery cell receiving platform moves forward.

2. The battery cell width shaping tool according to claim 1, characterized in that: The shaping rollers include a reference roller and an adjustable roller, which are respectively located on both sides of the moving path of the battery receiving platform.

3. The battery cell width shaping tool according to claim 1, characterized in that: A guide rail is arranged below the moving path of the battery cell receiving platform, a slider is installed at the bottom of the battery cell receiving platform, and the battery cell receiving platform slides in the guide rail through the slider.

4. The battery cell width shaping tool according to claim 2, characterized in that: The reference roller is fixedly mounted on one side of the moving path of the battery receiving platform; a roller fixing mounting seat is provided at the mounting position of the reference roller, and a fixed mounting hole is provided on the roller fixing mounting seat.

5. The battery cell width shaping tool according to claim 4, characterized in that: A reference positioning rib is provided on the side of the path between the roller fixing mounting seat and the initial position of the battery core receiving platform.

6. The battery cell width shaping tool according to claim 2, characterized in that: An adjustable mounting seat is provided at the mounting position of the adjustable roller, and the adjustable mounting seat can move along the surface of the bottom plate perpendicular to the moving path of the battery cell receiving platform.

7. The battery cell width shaping tool according to claim 6, characterized in that: The adjustable mounting seat includes an adjusting rod, a fixed seat and a movable seat, and the adjustable roller is installed on the movable seat; one end of the adjusting rod passes through the fixed seat and is connected to the movable seat, and the distance between the adjustable roller and the reference roller is changed by adjusting the position of the movable seat; limit platforms are provided on both sides of the moving path of the movable seat of the adjustable mounting seat.

8. The battery cell width shaping tool according to claim 1, characterized in that: A push rod mounting seat installed on the bottom plate is provided below the push rod, the push rod is fixedly connected through the front end of the first connecting member, the rear end of the first connecting member is hinged to the raised end provided at the rear end of the push rod mounting seat, the front end of the first connecting member is hinged to the rear end of the second connecting member, and the front end of the second connecting member is hinged to the rear end of the movable rod.

9. The battery cell width shaping tool according to claim 8, characterized in that: A guide seat is fixedly mounted on the front side of the upper part of the push rod mounting seat. A through hole is provided in the guide seat, and the movable rod passes through the through hole of the guide seat.

10. The battery cell width shaping tool according to claim 1, characterized in that: The rear end of the battery cell receiving platform is provided with a connection block, and the battery cell receiving platform is installed on the front end of the movable rod through the connection block; the front end of the movable rod is provided with a thread, and is installed and fastened by a nut.

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