Battery cell flattening device for lithium battery production

Abstract

The utility model relates to the technical field of lithium battery processing, in particular to a battery cell flattening device for lithium battery production, which comprises a processing table, a first fixing frame fixedly mounted at the top of the processing table, a first hydraulic cylinder fixedly mounted on the first fixing frame, a pressing plate fixedly mounted on the first hydraulic cylinder, and an automatic conveying mechanism arranged on the processing table. The automatic conveying mechanism comprises two triangular blocks symmetrically and fixedly installed on the surface of the machining table, second hydraulic cylinders are fixedly installed on the triangular blocks, and a containing plate connected with the two second hydraulic cylinders is arranged below the first hydraulic cylinder. Through the arrangement of the automatic conveying mechanism, a battery cell of a lithium battery can be automatically conveyed, manual pushing is not needed in the whole machining process, the machining efficiency is improved, the danger is reduced, meanwhile, the conveying of the battery cell can be positioned under the cooperation of a position sensor and an induction block, and the machining efficiency is improved. And the battery cell can be accurately stopped under the pressing plate, so that the flattening quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery cell flattening device, in particular to a battery cell flattening device for lithium battery production belongs to lithium battery processing technical field. BACKGROUND

[0002] In lithium battery production, because suitable compaction density can increase the discharge capacity of the battery, reduce the internal resistance, reduce the polarization loss and prolong the cycle life of the battery, and improve the utilization rate of lithium battery, therefore in order to improve the compaction density of positive and negative pole piece, lithium battery is often flattened in production.

[0003] However, the existing battery cell flattening device usually needs manual pushing to place the lithium battery under the pressing plate of the flattening device during the process of lithium battery processing, and manual taking out of the battery cell from the device is also needed after flattening is completed, but the efficiency of manual taking and placing is low and has certain danger, and the lithium battery cell also cannot be accurately placed under the pressing plate, which affects the processing efficiency and quality.

[0004] Therefore, it is urgent to improve the battery cell flattening device for lithium battery production to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a battery cell flattening device for lithium battery production, which can automatically transport the battery cell of lithium battery through the setting of automatic conveying mechanism, does not need manual pushing during the whole processing process, improves the processing efficiency and reduces the danger, and can position the transportation of battery cell under the cooperation of position sensor and induction block, so that the battery cell can be accurately stopped under the pressing plate, improving the flattening quality.

[0006] In order to achieve the above purpose, the utility model adopts the main technical scheme including:

[0007] A battery cell flattening device for lithium battery production, comprising a processing table, a first fixed frame is fixedly installed on the top of the processing table, a first hydraulic cylinder is fixedly installed on the first fixed frame, a pressing plate is fixedly installed on the first hydraulic cylinder, an automatic conveying mechanism is arranged on the processing table, the automatic conveying mechanism comprises two triangular blocks fixedly installed on the surface of the processing table, a second hydraulic cylinder is fixedly installed on the triangular block, a placing plate connected with the two second hydraulic cylinders is arranged below the first hydraulic cylinder, a position sensor is fixedly installed on one side of the processing table, and an induction block is fixedly installed on one side of the placing plate.

[0008] Preferably, the bottom of the placement plate is fixedly provided with a support frame, two screw rods are movably arranged on the support frame, a motor is fixedly arranged on the inner wall of the support frame and connected with the screw rods, a moving block is arranged on the screw rod in a threaded connection mode, and a positioning plate is arranged on the top of the moving block and penetrates through the placement plate.

[0009] Preferably, rubber pads are fixedly arranged on the sides of the two positioning plates close to each other.

[0010] Preferably, fixed blocks are fixedly arranged on the two sides of the moving block and the positioning plate, and an electric telescopic rod is fixedly arranged between two adjacent fixed blocks.

[0011] Preferably, a plurality of limiting grooves are arranged in the support frame, and a limiting block is fixedly arranged on the bottom of the moving block and connected with the limiting grooves in a sliding mode.

[0012] Preferably, a second fixing frame is arranged on one side of the first fixing frame and fixedly arranged on the processing table, and a plurality of fans are arranged on the second fixing frame.

[0013] Preferably, a plurality of fixed plates are fixedly arranged on the fans, and a plurality of bolts are arranged between the second fixing frame and the fixed plates.

[0014] The utility model at least has the following beneficial effects:

[0015] Through the arrangement of the automatic conveying mechanism, the lithium battery cell can be automatically conveyed, manual pushing is not needed in the whole processing process, the processing efficiency is improved, the danger is reduced, and the cell conveying can be positioned under the cooperation of the position sensor and the induction block, so that the cell can be accurately stopped below the pressing plate, and the flattening quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0017] Fig. 1 It is the overall structure schematic view of the utility model;

[0018] Fig. 2 It is the placement plate bottom structure schematic view of the utility model;

[0019] Fig. 3 It is the limiting groove and limiting block structure schematic view of the utility model;

[0020] Fig. 4 It is the second fixing frame and fan structure schematic view of the utility model.

[0021] In the figure, 1, processing table; 2, first fixed frame; 3, first hydraulic cylinder; 4, pressing plate; 5, automatic conveying mechanism; 6, triangular block; 7, second hydraulic cylinder; 8, placing plate; 9, position sensor; 10, induction block; 11, support frame; 12, screw rod; 13, motor; 14, moving block; 15, positioning plate; 16, rubber pad; 17, fixed block; 18, electric telescopic rod; 19, limiting groove; 20, limiting block; 21, second fixed frame; 22, fan; 23, fixed plate; 24, bolt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As Figs. 1-4 shown, the embodiment provides a kind of electric core flattening device for lithium battery production.

[0024] A kind of electric core flattening device for lithium battery production, including processing table 1, the top of processing table 1 is fixedly installed with first fixed frame 2, first fixed frame 2 is fixedly installed with first hydraulic cylinder 3, first hydraulic cylinder 3 is fixedly installed with pressing plate 4, processing table 1 is provided with automatic conveying mechanism 5, automatic conveying mechanism 5 includes two triangular blocks 6 of symmetric fixed installation on the surface of processing table 1, second hydraulic cylinder 7 is fixedly installed on triangular block 6, placing plate 8 connected with two second hydraulic cylinders 7 is arranged below first hydraulic cylinder 3, one side of processing table 1 is fixedly installed with position sensor 9, one side of placing plate 8 is fixedly installed with induction block 10. Through the setting of automatic conveying mechanism 5, the electric core of lithium battery can be automatically conveyed, without manual pushing in the whole processing process, improve the efficiency of processing and reduce the danger, simultaneously under the cooperation of position sensor 9 and induction block 10 can position the conveying of electric core, so that electric core can be accurately stagnate in the just below pressing plate 4, improve the quality of flattening.

[0025] In the embodiment, as Figs. 1-4As shown, the bottom of the placement plate 8 is fixedly installed with a support frame 11, two screw rods 12 are movably installed on the support frame 11, a motor 13 connected with the screw rod 12 is fixedly installed on the inner wall of the support frame 11, a moving block 14 connected through threads is arranged on the screw rod 12, a positioning plate 15 penetrating through the upper of the placement plate 8 is arranged on the top of the moving block 14, rubber pads 16 are fixedly installed on the sides of the two positioning plates 15 close to each other, fixed blocks 17 are fixedly installed on the two sides of the moving block 14 and the positioning plate 15, and electric telescopic rods 18 are fixedly installed between the two adjacent fixed blocks 17. Through the arrangement of the support frame 11, the screw rod 12, the motor 13, the moving block 14 and the positioning plate 15, after the lithium battery cell is placed on the placement plate 8, two motors 13 are started to drive the screw rods 12 to rotate, the screw rods 12 rotate to drive the moving block 14 to move through threads, the moving block 14 pushes the positioning plate 15, the two positioning plates 15 are attached to the cell to position it at the center of the placement plate 8, and the lithium battery cell is more accurately below the pressing plate 4. Through the arrangement of the rubber pads 16, the sides of the cell can be protected, preventing the positioning plate 15 from damaging the two sides of the cell during clamping and positioning. Through the arrangement of the fixed blocks 17 and the electric telescopic rods 18, the electric telescopic rods 18 support between the positioning plate 15 and the moving block 14. After the positioning plate 15 completes positioning of the cell, the electric telescopic rods 18 are started to make the output end shrink to drive the positioning plate 15 to descend, so that the top is lower than the surface of the placement plate 8, thereby avoiding the flattening of the cell.

[0026] In this embodiment, as shown in the drawings, Figs. 1-4 The inside of the support frame 11 is provided with a plurality of limiting grooves 19, the bottom of the moving block 14 is fixedly installed with a limiting block 20 in sliding connection with the limiting grooves 19, one side of the first fixed frame 2 is provided with a second fixed frame 21 fixedly installed on the machining table 1, a plurality of fans 22 are arranged on the second fixed frame 21, a plurality of fixed plates 23 are fixedly installed on the fans 22, and a plurality of bolts 24 are installed between the second fixed frame 21 and the fixed plates 23. Through the arrangement of the limiting grooves 19 and the limiting block 20, stable support can be achieved during the movement of the moving block 14, so that the moving block 14 can smoothly drive the positioning plate 15 to move, preventing the positioning plate 15 from tilting and shaking. Through the arrangement of the second fixed frame 21 and the fan 22, a plurality of fans 22 are arranged in front of the first fixed frame 2, and when the cell is fed, the second hydraulic cylinder 7 is retracted to drive the placement plate 8 to move through the lower of the fan 22, at this time the fan 22 is started to blow the cell on the placement plate 8, thereby cleaning the impurities on the surface of the cell, avoiding affecting the flattening effect of the cell. Through the arrangement of the fixed plate 23 and the bolt 24, a plurality of bolts 24 are used to install the fan 22, which not only makes the installation firm enough, but also can be disassembled and replaced when damaged.

[0027] In this embodiment, as shown in the drawings,Figs. 1-4 The working process of the lithium battery cell flattening device provided in the embodiment is as follows:

[0028] After the lithium battery cell is placed on the placement plate 8, the two motors 13 are started to drive the screw rods 12 to rotate, the screw rods 12 rotate to drive the moving blocks 14 to move through the threads, the moving blocks 14 push the positioning plates 15, the two positioning plates 15 are attached to the lithium battery cell to position it at the center of the placement plate 8, then the second hydraulic cylinder 7 is started to retract to drive the placement plate 8 to move, the placement plate 8 passes through the bottom of the fan 22 to clean the surface of the lithium battery cell, then the inductive block 10 on one side of the placement plate 8 contacts the position sensor 9 to control the second hydraulic cylinder 7 to close, the lithium battery cell can be moved to the bottom of the pressing plate 4, finally the first hydraulic cylinder 3 is started to drive the pressing plate 4 to descend to start the flattening process.

[0029] In summary, in the embodiment, according to the lithium battery cell flattening device, after the lithium battery cell is placed on the placement plate 8, the two motors 13 are started to drive the screw rods 12 to rotate, the screw rods 12 rotate to drive the moving blocks 14 to move through the threads, the moving blocks 14 push the positioning plates 15, the two positioning plates 15 are attached to the lithium battery cell to position it at the center of the placement plate 8, so that the lithium battery cell is more accurately positioned below the pressing plate 4, the rubber pads 16 are arranged to protect the sides of the lithium battery cell, prevent the positioning plates 15 from damaging the two sides of the lithium battery cell during clamping and positioning, the fixed blocks 17 and the electric telescopic rods 18 are arranged, the positioning plates 15 and the moving blocks 14 are connected through the electric telescopic rods 18, after the positioning plates 15 complete positioning of the lithium battery cell, the electric telescopic rods 18 are started to retract the output ends to drive the positioning plates 15 to descend, so that the top of the positioning plates 15 is lower than the surface of the placement plate 8, thereby avoiding hindering the flattening of the lithium battery cell, the limiting grooves 19 and the limiting blocks 20 are arranged to stably support the moving blocks 14 during movement, so that the moving blocks 14 can smoothly drive the positioning plates 15 to move, prevent the positioning plates 15 from tilting and shaking, the second fixed frames 21 and the fans 22 are arranged, a plurality of fans 22 are arranged in front of the first fixed frame 2, when the lithium battery cell is fed, the second hydraulic cylinder 7 retracts to drive the placement plate 8 to move through the bottom of the fans 22, at this time, the fans 22 are started to blow the lithium battery cell on the placement plate 8 to clean the impurities on the surface of the lithium battery cell, thereby avoiding affecting the flattening effect of the lithium battery cell, the fixed plates 23 and the bolts 24 are arranged, a plurality of bolts 24 are used to install the fans 22, which not only makes the installation firm enough, but also can be disassembled and replaced when the fans 22 are damaged.

[0030] Certain terminology can also be used in the summary or detailed description of the present application for the purpose of brevity but are intended to be in no way limiting of the application. For example, the terms "right," "left," "rear," "front," "up," "down," "under" and the like as can be referenced herein can mean such terms only in the context of the particular view being referred to and can not necessarily be intended to refer to similar terms in other views unless otherwise indicated. Line drawings can not necessarily be drawn to scale unless otherwise indicated.

[0031] It should be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components, and the like.

[0032] The above specification and examples provide a complete description of the application. Since they fully disclose the application, they describe and define it sufficiently to communicate a practical, functional and structural disclosure for making, using or performing the application. Various modifications can be made that will be readily apparent to those skilled in the art, and this application is not intended to cover only those embodiments described in the specification. The words "include" and "comprise" and variations such as "including," "includes," "comprising," "comprises," and "comprised of" as used herein are intended to be equivalent to the word "comprising" and are intended to be open-ended.

Claims

1. A cell flattening device for lithium battery production, comprising a processing table (1), wherein a first fixing frame (2) is fixedly installed on the top of the processing table (1), a first hydraulic cylinder (3) is fixedly installed on the first fixing frame (2), and a pressure plate (4) is fixedly installed on the first hydraulic cylinder (3), characterized in that: The machining table (1) is provided with an automatic conveying mechanism (5), the automatic conveying mechanism (5) includes two triangular blocks (6) fixedly installed on the surface of the machining table (1), the second hydraulic cylinder (7) is fixedly installed on the triangular block (6), the first hydraulic cylinder (3) is provided with a placement plate (8) connected with the two second hydraulic cylinders (7), one side of the machining table (1) is fixedly provided with a position sensor (9), and one side of the placement plate (8) is fixedly provided with an induction block (10).

2. The cell flattening device for lithium battery production of claim 1, wherein: The bottom of the placement plate (8) is fixedly provided with a support frame (11), two screw rods (12) are movably installed on the support frame (11), a motor (13) connected with the screw rod (12) is fixedly installed on the inner wall of the support frame (11), a moving block (14) connected through threads is arranged on the screw rod (12), and a positioning plate (15) penetrating through the placement plate (8) is arranged on the top of the moving block (14).

3. The cell flattening device for lithium battery production of claim 2, wherein: The two positioning plates (15) are fixedly provided with rubber pads (16) on one side close to each other.

4. The cell flattening device for lithium battery production of claim 3, wherein: The moving block (14) and the positioning plate (15) are fixedly provided with fixed blocks (17) on both sides, and an electric telescopic rod (18) is fixedly installed between two adjacent fixed blocks (17).

5. The cell flattening device for lithium battery production of claim 4, wherein: A plurality of limiting grooves (19) are formed in the inside of the support frame (11), and a limiting block (20) is fixedly installed on the bottom of the moving block (14) and connected with the limiting groove (19) in a sliding mode.

6. The cell flattening device for lithium battery production of claim 1, wherein: One side of the first fixed frame (2) is provided with a second fixed frame (21) fixedly installed on the machining table (1), and a plurality of fans (22) are arranged on the second fixed frame (21).

7. The cell flattening device for lithium battery production of claim 6, wherein: A plurality of fixed plates (23) are fixedly installed on the fan (22), and a plurality of bolts (24) are installed between the second fixed frame (21) and the fixed plate (23).

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