Automatic lithium battery lamination device

Abstract

The utility model discloses an automatic lithium battery lamination device which comprises a supporting base, a supporting inner plate is fixedly connected to the interior of the supporting base, a stepping motor, an intermittent transmission box and a reduction gearbox are installed on the upper side wall of the supporting inner plate, and the output end of the reduction gearbox is fixedly connected with a machining rotary disc. A supporting table is mounted on the upper side wall of the supporting base, and a positive electrode material box, a diaphragm unwinding assembly and a negative electrode material box are clockwise mounted on the upper side wall of the supporting table; the upper side wall of the supporting base is fixedly connected with a supporting rear plate, the upper side wall of the supporting rear plate is provided with a supporting top plate, the lower side wall of the supporting top plate is provided with three sets of linear motors, the output end of each linear motor is fixedly connected with a sliding block, and the lower side wall of each sliding block is fixedly connected with an electric push rod. According to the automatic lamination device, automatic lamination can be completed after one-time positioning, and the alignment degree of the pole pieces and the lamination quality can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery processing, in particular to an automatic stacking device for lithium batteries. Background Art

[0002] The battery cell of a lithium-ion battery is composed of a positive electrode, a separator, and a negative electrode. Currently, most lithium batteries use stacked cells: the separator is folded in a "Z shape" and then the positive and negative electrode plates are inserted respectively.

[0003] However, since the pole pieces now need to be repositioned before being placed on the stacking table, the alignment of the pole pieces is poor, and as a result, the stacking quality is difficult to meet user needs. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a lithium battery automatic stacking device, which is provided with a stepper motor, an intermittent transmission box and a reduction box. The stepper motor can drive the processing turntable to intermittently rotate at a fixed angle through the intermittent transmission box and the reduction box, so that the processing turntable stops for a period of time every time it rotates 90 degrees, and the positive and negative electrode sheets are positioned and placed, the diaphragm is unwound, and the stacking table is stacked in a Z shape. After positioning once, the automatic stacking can be completed, which can effectively improve the alignment of the electrode sheets and the stacking quality;

[0005] The device is provided with a processing turntable, which converts the stacking work of lithium batteries into turntable production, so that multiple processes can be carried out at the same time, thereby effectively improving the processing efficiency of the stacking.

[0006] The utility model also provides the above-mentioned automatic stacking device for lithium batteries, comprising: a support base, the interior of the support base is fixedly connected to a support inner plate, the upper side wall of the support inner plate is installed with a stepping motor, an intermittent transmission box and a reduction box, the output end of the reduction box is fixedly connected to a processing turntable, the upper side wall of the support base is installed with a support table, and the upper side wall of the support table is installed clockwise with a positive electrode material box, a diaphragm unwinding assembly and a negative electrode material box;

[0007] The upper side wall of the support base is fixedly connected to a support rear plate, the upper side wall of the support rear plate is installed with a support top plate, the lower side wall of the support top plate is installed with three groups of linear motors, the output end of each linear motor is fixedly connected to a sliding block, and the lower side wall of each sliding block is fixedly connected to an electric push rod.

[0008] According to the automatic lithium battery stacking device, the processing turntable is rotatably connected to the inside of the support base, thereby improving the rotation stability of the processing turntable.

[0009] According to the automatic lithium battery stacking device, the output end of the stepper motor and the input end of the intermittent transmission box are fixedly connected.

[0010] According to the automatic stacking device for lithium batteries, the output end of the intermittent transmission box and the input end of the reduction box are fixedly connected, and the stepper motor can drive the processing turntable to intermittently rotate at a fixed angle through the intermittent transmission box and the reduction box.

[0011] According to the automatic stacking device for lithium batteries, four sets of stacking tables are installed on the upper side wall of the processing turntable, and the stacking tables cooperate with the positive electrode material box, the diaphragm unwinding assembly or the negative electrode material box to facilitate the placement of positive and negative electrode sheets and the Z-shaped winding of the diaphragm.

[0012] According to the automatic lithium battery stacking device, the three groups of linear motors cooperate with the opposite sides of the positive electrode box, the negative electrode box and the diaphragm unwinding assembly, respectively, to facilitate the placement of the electrode sheets and the removal of the finished stacked products.

[0013] According to the automatic lithium battery stacking device, the output end of the electric push rod is fixedly connected with a vacuum suction cup to facilitate the adsorption of the electrode sheet or the finished stacking product.

[0014] According to the automatic lithium battery stacking device, the support platform, the support back plate and the support top plate are made by using an integrated molding technology to improve the support strength of the support top plate.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the structure of the automatic stacking device for lithium batteries of the utility model;

[0018] Figure 2 This is a front schematic diagram of the automatic stacking device for lithium batteries of the utility model;

[0019] Figure 3 It is a cross-sectional schematic diagram of the automatic stacking device for lithium batteries of the utility model;

[0020] Figure 4 It is a side schematic diagram of the automatic stacking device for lithium batteries of the utility model.

[0021] Legend:

[0022] 1. Support base; 101. Support inner plate; 102. Stepper motor; 103. Intermittent transmission box; 104. Reducer; 2. Support table; 201. Support rear plate; 202. Support top plate; 3. Processing turntable; 301. Lamination table; 4. Negative electrode material box; 5. Positive electrode material box; 6. Diaphragm unwinding assembly; 7. Linear motor; 701. Sliding block; 702. Electric push rod; 703. Vacuum suction cup. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Reference Figure 1-4 The automatic stacking device for lithium batteries of the utility model embodiment comprises: a support base 1, a support inner plate 101 is fixedly connected to the inside of the support base 1, a stepper motor 102, an intermittent transmission box 103 and a reduction box 104 are installed on the upper side wall of the support inner plate 101, the output end of the stepper motor 102 is fixedly connected to the input end of the intermittent transmission box 103, the output end of the intermittent transmission box 103 is fixedly connected to the input end of the reduction box 104, and the stepper motor 102 can drive the processing turntable 3 to intermittently rotate at a fixed angle through the intermittent transmission box 103 and the reduction box 104.

[0026] The output end of the reduction box 104 is fixedly connected with the processing turntable 3 , and the processing turntable 3 is rotatably connected to the inside of the support base 1 , thereby improving the rotation stability of the processing turntable 3 .

[0027] A support table 2 is installed on the upper side wall of the support base 1, and the upper side wall of the support table 2 is installed with a positive electrode material box 5, a diaphragm unwinding assembly 6 and a negative electrode material box 4 in a clockwise direction. Four sets of stacking tables 301 are installed on the upper side wall of the processing turntable 3. The stacking tables 301 cooperate with the positive electrode material box 5, the diaphragm unwinding assembly 6 or the negative electrode material box 4 to facilitate the placement of positive and negative electrode sheets and the Z-shaped winding of the diaphragm.

[0028] The upper side wall of the support base 1 is fixedly connected to a support back plate 201, the upper side wall of the support back plate 201 is installed with a support top plate 202, and the lower side wall of the support top plate 202 is installed with three groups of linear motors 7, the output end of each linear motor 7 is fixedly connected to a sliding block 701, and the lower side wall of each sliding block 701 is fixedly connected to an electric push rod 702. The three groups of linear motors 7 are respectively coordinated with the opposite sides of the positive electrode material box 5, the negative electrode material box 4 and the diaphragm unwinding assembly 6, so as to facilitate the placement of the electrode sheets and the removal of the finished laminated products.

[0029] The electrical components appearing in this article are all electrically connected to an external main controller, and the main controller may be a conventional known device for control such as a computer, and the electrical components appearing in this article are all electrically connected to an external power source.

[0030] Working principle: The device is provided with a stepper motor 102, an intermittent transmission box 103 and a reduction box 104. The linear motor 7 can push the vacuum suction cup 703 with the positive and negative electrode sheets adsorbed to the upper side of the stacking table 301 to position and place the positive and negative electrode sheets once. The stepper motor 102 can drive the processing turntable 3 to intermittently rotate at a fixed angle through the intermittent transmission box 103 and the reduction box 104, so that the processing turntable stops for a period of time every time it rotates ninety degrees. During the stop time of the processing turntable, the positive and negative electrode sheets are positioned and placed, the diaphragm is unwound, and the stacking table is Z-folded, so that automatic stacking can be completed after one positioning, which can effectively improve the alignment of the electrode sheets and the stacking quality; the device is provided with a processing turntable 3, which converts the stacking work of the lithium battery into a turntable production, so that multiple processes can be carried out at the same time, thereby effectively improving the processing efficiency of the stacking.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Automatic lithium battery stacking device, characterized in that: include: A support base (1), wherein a support inner plate (101) is fixedly connected to the interior of the support base (1), a stepping motor (102), an intermittent transmission box (103) and a reduction box (104) are installed on the upper side wall of the support inner plate (101), an output end of the reduction box (104) is fixedly connected to a processing turntable (3), a support platform (2) is installed on the upper side wall of the support base (1), and a positive electrode material box (5), a diaphragm unwinding assembly (6) and a negative electrode material box (4) are installed clockwise on the upper side wall of the support platform (2); The upper side wall of the support base (1) is fixedly connected to a support rear plate (201), the upper side wall of the support rear plate (201) is installed with a support top plate (202), the lower side wall of the support top plate (202) is installed with three groups of linear motors (7), the output end of each linear motor (7) is fixedly connected to a sliding block (701), the lower side wall of each sliding block (701) is fixedly connected to an electric push rod (702), and the upper side wall of the processing turntable (3) is installed with four groups of stacking tables (301), and the stacking tables (301) cooperate with the positive electrode material box (5), the diaphragm unwinding assembly (6) or the negative electrode material box (4).

2. The automatic stacking device for lithium batteries according to claim 1, characterized in that: The processing turntable (3) is rotatably connected to the interior of the support base (1).

3. The automatic stacking device for lithium batteries according to claim 1, characterized in that: The output end of the stepping motor (102) and the input end of the intermittent transmission box (103) are fixedly connected.

4. The automatic stacking device for lithium batteries according to claim 1, characterized in that: The output end of the intermittent transmission box (103) and the input end of the reduction box (104) are fixedly connected.

5. The automatic stacking device for lithium batteries according to claim 1, characterized in that: The three groups of linear motors (7) are respectively matched with the opposite sides of the positive electrode material box (5), the negative electrode material box (4) and the diaphragm unwinding assembly (6).

6. The automatic lithium battery stacking device according to claim 1, characterized in that: The output end of the electric push rod (702) is fixedly connected to a vacuum suction cup (703).

7. The automatic stacking device for lithium batteries according to claim 1, characterized in that: The support platform (2), the support rear plate (201) and the support top plate (202) are manufactured using an integrated molding technology.

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