Tab flattening assembly for soft package battery

Abstract

A tab flattening assembly for a soft package battery relates to the technical field of tab flattening and comprises a transmission unit arranged on a machine tool and used for transmitting a battery cell, flattening units are arranged on two sides of the transmission unit, each flattening unit comprises a mounting plate fixedly arranged on the machine tool, and an upper pressing block and a lower pressing block are slidably arranged on the mounting plate. The upper pressing block and the lower pressing block are arranged on the base, a flattening area for the battery cell tab to enter is formed between the upper pressing block and the lower pressing block, the upper pressing block and the lower pressing block are driven by the corresponding driving cylinders to vertically reciprocate, the tab can be flattened, the accuracy of subsequent cutting is ensured, and the production quality of a soft package battery is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tab flattening, in particular to a tab flattening assembly for soft-pack batteries. Background Art

[0002] With the rapid development of the new energy industry, soft-pack batteries, due to their unique electrolyte system, have become a key evolutionary direction in battery technology. Compared to traditional liquid batteries, soft-pack batteries combine high ionic conductivity with excellent mechanical and thermal stability by introducing solid components into the liquid electrolyte, resulting in outstanding performance in energy density and safety.

[0003] During the production of soft-pack batteries, battery cells are stacked to form a battery module, which is then placed and secured within a housing to complete the production process. Different battery modules utilize different electrical formulas, so the tabs of the battery cells need to be cut to suit these varying requirements. To ensure accurate cutting, the tabs must be flattened. Utility Model Content

[0004] The purpose of the utility model is to provide a tab flattening assembly for soft-pack batteries, which can flatten the tabs to ensure the accuracy of subsequent cutting, thereby improving the production quality of soft-pack batteries. At the same time, it improves the automation of soft-pack batteries and thus improves the production efficiency of soft-pack batteries.

[0005] In order to achieve the above-mentioned purpose, the specific scheme adopted by the utility model is: a tab flattening assembly for soft-pack batteries, including a transmission unit arranged on a machine tool and used to transmit battery cells, flattening units are arranged on both sides of the transmission unit, the flattening unit includes a mounting plate fixedly arranged on the machine tool, an upper pressing block and a lower pressing block are slidingly arranged on the mounting plate, a flattening area for the tab of the battery cell to enter is formed between the upper pressing block and the lower pressing block, and the upper pressing block and the lower pressing block are driven by corresponding driving cylinders to perform vertical reciprocating motion.

[0006] As an optimization solution for the above-mentioned tab flattening assembly for soft-pack batteries: the transmission unit includes a conveyor belt arranged on a machine tool, and the conveyor belt is fixed with a plurality of spaced-apart carrying units, and the carrying units include two symmetrically arranged carrying plates, and limiting members are provided at both ends of each carrying plate, and the four limiting members enclose a accommodating space for accommodating battery cells.

[0007] As another optimization solution for the above-mentioned tab flattening assembly for soft-pack batteries: pads corresponding to the supporting plates are fixedly connected to the conveyor belt, and the supporting plates are fixedly connected to the pads.

[0008] As another optimization solution for the above-mentioned tab flattening assembly for soft-pack batteries: the limiting member includes a horizontal portion fixedly connected to the supporting plate, and a first baffle and a second baffle are provided on the horizontal portion. The four first baffles and the four second baffles enclose a receiving space.

[0009] As another optimization solution for the above-mentioned tab flattening assembly for soft-pack batteries: a support frame is fixedly connected to the machine tool, and the mounting plate is fixedly arranged on the support frame.

[0010] As another optimization solution for the above-mentioned tab flattening assembly for soft-pack batteries: two connecting plates located on both sides of the transmission unit are fixedly connected to the support frame, and the mounting plate is fixedly connected to the connecting plates.

[0011] As another optimization solution for the above-mentioned tab flattening assembly for soft-pack batteries: each mounting plate is provided with two driving cylinders, and the pistons of the two driving cylinders are fixedly connected to the upper pressing block and the lower pressing block respectively.

[0012] As another optimization solution for the above-mentioned tab flattening assembly for soft-pack batteries: the piston end of each driving cylinder is fixedly connected to an intermediate plate, and the intermediate plate is fixedly connected to the upper pressing block or the lower pressing block.

[0013] As another optimization solution for the above-mentioned tab flattening assembly for soft-pack batteries: two flattening units distributed along the battery cell transmission direction are provided on each side of the transmission unit.

[0014] Compared with the prior art, the present invention has the following beneficial effects: the present invention provides a tab flattening assembly for soft-pack batteries, which transmits the battery cell between two flattening units through a transmission unit. At this time, the tabs at both ends of the battery cell are respectively located in the flattening area formed between the corresponding upper pressing block and the lower pressing block. The driving cylinder drives the upper pressing block to move downward and the lower pressing block to move upward to achieve flattening of the tabs, ensure the accuracy of subsequent cutting, and thereby improve the production quality of the soft-pack batteries. At the same time, it improves the automation of the soft-pack batteries, thereby improving the production efficiency of the soft-pack batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle;

[0017] Figure 3 is a structural diagram of the flattening unit;

[0018] Figure 4 It is a structural diagram of the upper pressing block;

[0019] Figure 5 It is a structural diagram of the lower pressure block;

[0020] Figure numerals: 1. machine tool, 2. conveyor belt, 3. load-bearing plate, 4. pad, 5. limiter, 6. first baffle, 7. second baffle, 8. support frame, 9. driving cylinder, 10. upper pressure block, 1001, upper groove, 11. lower pressure block, 1101, lower groove, 12. connecting plate, 13. mounting plate. DETAILED DESCRIPTION

[0021] The technical solution of the present invention is further elaborated in detail below in conjunction with specific embodiments. Parts not described and disclosed in detail in the following embodiments of the present invention should be understood as existing technologies known or should be known to those skilled in the art.

[0022] Example

[0023] A tab flattening assembly for soft-pack batteries includes a transmission unit disposed on a machine tool 1 and used to transmit battery cells. The transmission unit includes a conveyor belt 2 rotatably disposed on the machine tool 1. The conveyor belt 2 is fixedly provided with a plurality of bearing units distributed along its length. The bearing units move synchronously with the conveyor belt 2. The battery cells are placed on the bearing units, and then the conveyor belt 2 drives the battery cells to move synchronously. The bearing unit includes two symmetrically disposed bearing plates 3. The bearing plates 3 are fixedly connected to the conveyor belt 2. Specifically, the bearing plates 3 are connected to the conveyor belt 2 via pads 4. The pads 4 are fixedly connected to the conveyor belt 2, and the connection between the two is bolted; the bearing plates 3 are fixedly connected to the pads 4, and the connection between the two is bolted. Limiting members 5 are provided at both ends of each bearing plate 3. The four limiting members 5 enclose a storage space for accommodating battery cells, such as Figure 2 As shown, the left-side support plate 3 has two stoppers 5. The stoppers 5 are located above the support plate 3 and are fixedly connected to the support plate 3 by bolts. The stoppers 5 include a horizontal portion fixedly connected to the support plate 3, and the horizontal portion is connected to the support plate 3 by bolts. A first baffle 6 is fixedly connected to the vertical portion of the horizontal portion facing away from the other support plate 3. The height of the first baffle 6 is higher than the upper surface of the battery cell. A second baffle 7 is perpendicularly provided at the edge of the horizontal portion facing away from the end of the same support plate 3. The height of the second baffle 7 is lower than the upper surface of the battery cell. The lower surface of the battery cell is located within the accommodation space enclosed by the four stoppers 5. The lower surface of the battery cell tab contacts the end of the second baffle 7 and extends out of the accommodation space.

[0024] Flattening units are provided on both sides of the transmission unit. The flattening units include a mounting plate 13 fixedly mounted on the machine tool 1. Specifically, a support frame 8 is fixedly connected to the machine tool 1. The support frame 8 includes two vertically arranged vertical rods. The two vertical rods are located on both sides of the conveyor belt 2. The bottom ends of the vertical rods are fixedly connected to the machine tool 1. The two are connected by bolts. The mounting plate 13 is fixedly connected to the vertical rods. The mounting plate 13 is connected to the vertical rods in such a way that a connecting plate 12 is fixedly connected to the vertical rods. The flattening unit is fixed to the connecting plate 12. One connecting plate 12 has two flattening units distributed along the direction of battery cell transmission.

[0025] An upper pressing block 10 and a lower pressing block 11 are slidingly arranged on the mounting plate 13, and a flattening area for the power supply core ear to enter is formed between the upper pressing block 10 and the lower pressing block 11. The upper pressing block 10 and the lower pressing block 11 are driven by the corresponding driving cylinders 9 to perform vertical reciprocating motion. Each mounting plate 13 has two driving cylinders 9, and the pistons of the two driving cylinders 9 are fixedly connected to the upper pressing block 10 and the lower pressing block 11 respectively. Specifically, the piston end of each driving cylinder 9 is fixedly connected to an intermediate plate, and the intermediate plate is fixedly connected to the upper pressing block 10 or the lower pressing block 11.

[0026] In this embodiment, an upper groove 1001 is formed on the edge of the upper pressing block 10, and a lower groove 1101 is formed on the edge of the lower pressing block 11. The utility model can flatten two battery cells at the same time.

[0027] The battery cell is transferred between the two flattening units through the transmission unit. At this time, the tabs at both ends of the battery cell are respectively located in the flattening area formed between the corresponding upper pressing block 10 and the lower pressing block 11. The driving cylinder 9 drives the upper pressing block 10 to move downward and the lower pressing block 11 to move upward to achieve the flattening of the tabs, ensure the accuracy of subsequent cutting, and thus improve the production quality of the soft-pack battery. At the same time, it improves the automation of the soft-pack battery, thereby improving the production efficiency of the soft-pack battery.

[0028] In this embodiment, the driving cylinder 9 and the conveyor belt 2 are connected to a control unit, and the control unit controls the driving cylinder 9 and the start and pause of the conveyance.

[0029] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tab flattening assembly for soft-pack batteries, characterized by: The invention comprises a transmission unit arranged on a machine tool (1) and used for transmitting battery cells, flattening units being arranged on both sides of the transmission unit, the flattening unit comprising a mounting plate (13) fixedly arranged on the machine tool (1), an upper pressing block (10) and a lower pressing block (11) being slidingly arranged on the mounting plate (13), a flattening area for the battery cell tab to enter being formed between the upper pressing block (10) and the lower pressing block (11), and the upper pressing block (10) and the lower pressing block (11) being driven by corresponding driving cylinders (9) to perform vertical reciprocating motion.

2. The tab flattening assembly for a soft-pack battery according to claim 1, wherein: The transmission unit comprises a conveyor belt (2) arranged on a machine tool (1); the conveyor belt (2) is fixedly provided with a plurality of spaced-apart carrying units; the carrying units comprise two symmetrically arranged carrying plates (3); limiting members (5) are provided at both ends of each carrying plate (3); and the four limiting members (5) enclose an accommodating space for accommodating a battery cell.

3. The tab flattening assembly for a soft-pack battery according to claim 2, wherein: Pads (4) corresponding one to one with the bearing plates (3) are fixedly connected to the conveyor belt (2), and the bearing plates (3) are fixedly connected to the pads (4).

4. The tab flattening assembly for a soft-pack battery according to claim 2, wherein: The limiting member (5) comprises a horizontal portion fixedly connected to the supporting plate (3); a first blocking piece (6) and a second blocking piece (7) are provided on the horizontal portion; four first blocking pieces (6) and four second blocking pieces (7) enclose and form an accommodating space.

5. The tab flattening assembly for a soft-pack battery according to claim 1, wherein: A support frame (8) is fixedly connected to the machine tool (1), and a mounting plate (13) is fixedly arranged on the support frame (8).

6. The tab flattening assembly for a soft-pack battery according to claim 5, characterized in that: Two connecting plates (12) located on both sides of the transmission unit are fixedly connected to the support frame (8), and the mounting plate (13) is fixedly connected to the connecting plates (12).

7. The tab flattening assembly for a soft-pack battery according to claim 5, characterized in that: Each mounting plate (13) is provided with two driving cylinders (9), and the pistons of the two driving cylinders (9) are fixedly connected to the upper pressing block (10) and the lower pressing block (11) respectively.

8. The tab flattening assembly for a soft-pack battery according to claim 1, wherein: The piston end of each driving cylinder (9) is fixedly connected to an intermediate plate, and the intermediate plate is fixedly connected to an upper pressing block (10) or a lower pressing block (11).

9. The tab flattening assembly for a soft-pack battery according to claim 1, wherein: Two flattening units are provided on each side of the transmission unit and distributed along the direction of cell transmission.

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