Semi-automatic battery cell edge folding mechanism

Abstract

The utility model discloses a semi-automatic cell flanging mechanism which comprises a bottom plate, a linear bearing, a cylinder mounting plate I, a bearing mounting plate, a support plate and a shaft fixing plate, the cylinder mounting plate I and the shaft fixing plate are arranged on the bottom plate, and four guide shafts I are arranged in the middle of the bottom plate and are connected with the cylinder mounting plate I; two guide shafts I at the upper part penetrate through the linear bearing; the linear bearing is connected with the bearing mounting plate; the pressing cutter II is mounted at the upper part of the bearing mounting plate; the first air cylinder is installed between the bearing installation plate and the first air cylinder installation plate, and the piston rod end of the first air cylinder is connected with the bearing installation plate and drives the second pressing cutter to move through the bearing installation plate. The edge folding mechanism disclosed by the utility model is small, exquisite, compact and simple in structure, can reasonably realize the edge folding function of battery cell edge sealing, and can adjust the edge folding amount of the battery cell according to actual conditions.

Description

Technical Field

[0001] The utility model relates to the field of soft-pack battery core module production, in particular to a semi-automatic battery core folding mechanism. Background Art

[0002] During the production process of the soft-pack module, the tabs of the soft-pack battery cells need to be folded through a folding process so that the tabs of different stacked soft-pack battery cells can be welded.

[0003] The existing soft-pack battery cell folding mechanism is designed in Chinese patent CN116315129A, which includes a workbench, a protective cover is fixedly installed on the upper end of the workbench, and a transmission screw is installed on the inner side of the protective cover, and the end of the transmission screw is installed on the output end of the servo motor; it also includes: a support bracket installed on the transmission screw, a carrying plate is installed below the support bracket, and a vertical rod is fixedly connected to the upper side of the carrying plate, and a sleeve spring is sleeved on the outer side of the vertical rod, and a perforation is opened on the support bracket; a storage block is fixed on the upper side of the support bracket, and a rubber outlet pipe is installed at the lower end of the storage block, and a switch valve is installed on the rubber outlet pipe; a limit block is fixed on the upper right side of the workbench. The polymer lithium battery cell folding device can perform synchronous folding operations on multiple cells, and at the same time, after folding the lithium battery cell, it can avoid the phenomenon of rebound and warping at the folding position, thereby improving the overall folding effect.

[0004] Although the above invention can perform folding processing well, it involves more parts, has a more complex structure, is cumbersome to use, and cannot be manually intervened in the production process to adjust the folding effect of the battery cell; the amount of glue cannot be fixed during glue discharge, and the glue is easy to appear outside the gap after extrusion, posing a hidden danger to the safety of the battery cell. Utility Model Content

[0005] The purpose of the utility model is to provide a semi-automatic battery core folding mechanism to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a semi-automatic battery cell folding mechanism, comprising a base plate, a linear bearing, a cylinder mounting plate, a bearing mounting plate, a support plate and an axis fixing plate, wherein a cylinder mounting plate and an axis fixing plate are arranged on the base plate, four guide shafts are arranged in the middle of the base plate and connected to the cylinder mounting plate, wherein two upper guide shafts pass through the linear bearing; the linear bearing is connected to the bearing mounting plate, and a pressing knife 2 is installed on the upper part of the bearing mounting plate; the cylinder 1 is installed between the bearing mounting plate and the cylinder mounting plate 1, the piston rod end of the cylinder 1 is connected to the bearing mounting plate, and the pressing knife 2 is driven to move through the bearing mounting plate.

[0007] Preferably, the support plate and the upper cylinder mounting plate 2 are provided with two groups and are both fixed on the base plate, the linear bearing is placed in the cylinder mounting plate 2, and the upper cylinder mounting plate 2 is provided with a limit adjustment plate and a knife pressing mounting plate.

[0008] Preferably, the knife pressing mounting plate is connected to the knife pressing one, and the cylinder two and the two guide shafts two are installed under the knife pressing mounting plate.

[0009] Preferably, the upper ends of the two guide shafts pass through linear bearings, and the lower ends thereof are respectively connected to the two side edges and the middle part of the shaft fixing strip with the cylinder 2. The cylinder 2 drives the guide shaft 2 to move up and down by driving the knife pressing mounting plate, and causes the knife pressing 1 to move up and down.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The semi-automatic battery cell folding mechanism of the utility model is mainly used for folding the battery cell edges during the production of soft-pack battery cells. The equipment has a relatively simple and compact structure, is small and beautiful, and is suitable for edge folding of small batches and multiple models of soft-pack battery cells. No glue is required during folding, which saves production costs and improves the safety of the battery cells. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The structure of the utility model is shown in FIG. Figure 2 .

[0014] In the figure: 1. Press knife one; 2. Press knife two; 3. Linear bearing; 4. Cylinder mounting plate one; 5. Bearing mounting plate; 6. Cylinder one; 7. Guide shaft one; 8. Upper cylinder mounting plate two; 9. Support plate; 10. Bottom plate; 11. Shaft fixing plate; 12. Limit adjustment plate; 13. Press knife mounting plate; 14. Cylinder two; 15. Shaft fixing strip; 16. Guide shaft two. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are 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, and therefore cannot be understood as a limitation on the present invention.

[0017] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] See also Figure 1-2 The utility model provides a technical solution: a semi-automatic battery core folding mechanism, comprising a base plate 10, a linear bearing 3, a cylinder mounting plate 4, a bearing mounting plate 5, a support plate 9 and an axis fixing plate 11, wherein the cylinder mounting plate 4 and the axis fixing plate 11 are arranged on the base plate 10, four guide shafts 7 are arranged in the middle of the base plate 10 and connected to the cylinder mounting plate 4, wherein two upper guide shafts 7 pass through the linear bearing 3; the linear bearing 3 is connected to the bearing mounting plate 5, and a pressing knife 2 is installed on the upper part of the bearing mounting plate 5; the cylinder 6 is installed between the bearing mounting plate 5 and the cylinder mounting plate 4, the piston rod end of the cylinder 6 is connected to the bearing mounting plate 5, and the pressing knife 2 is driven to move through the bearing mounting plate 5.

[0019] In this embodiment, there are two groups of support plates 9 and upper cylinder mounting plates 8, which are both fixed on the base plate 10. The linear bearing 3 is placed in the cylinder mounting plate 8, and a limit adjustment plate 12 and a knife pressing mounting plate 13 are provided on the upper cylinder mounting plate 8.

[0020] In this embodiment, the knife pressing mounting plate 13 is connected to the knife pressing 1, and the cylinder 2 14 and two guide shafts 2 16 are installed under the knife pressing mounting plate 13, and screw holes are arranged on the knife pressing mounting plate 13.

[0021] In this embodiment, the upper ends of the two guide shafts 16 pass through the linear bearing 3, and the lower ends thereof are connected to the two side edges and the middle part of the shaft fixing strip 15 respectively with the cylinder 14. The cylinder 14 drives the guide shaft 16 to move up and down by driving the knife pressing mounting plate 13, and causes the knife pressing 1 to move up and down.

[0022] When in use, first adjust the limit adjustment plate 12 to a suitable position to control the feeding amount of the battery cell edge sealing. There are two screw holes on the press knife mounting plate 13, which can control the extension and contraction amount of the press knife 1. The press knife 1 itself also has slots, which can control its extension and contraction amount. After the battery cell edge sealing is placed in place, the press knife 1 first moves downward, presses the edge into a U shape and retracts. After retracting, the press knife 2 moves forward and squeezes the U-shaped edge tightly. At the same time, there are slots on both sides of the cylinder mounting plate 28, which can adjust its movement relative to the press knife 2.

[0023] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A semi-automatic battery cell folding mechanism, characterized in that: The invention comprises a base plate (10), a linear bearing (3), a cylinder mounting plate (4), a bearing mounting plate (5), a support plate (9) and a shaft fixing plate (11), wherein the cylinder mounting plate (4) and the shaft fixing plate (11) are arranged on the base plate (10), four guide shafts (7) are arranged in the middle of the base plate (10) and connected to the cylinder mounting plate (4), wherein two upper guide shafts (7) pass through the linear bearing (3); the linear bearing (3) is connected to the bearing mounting plate (5), and a press knife (2) is installed on the upper part of the bearing mounting plate (5); a cylinder (6) is installed between the bearing mounting plate (5) and the cylinder mounting plate (4), the piston rod end of the cylinder (6) is connected to the bearing mounting plate (5), and drives the press knife (2) to move through the bearing mounting plate (5).

2. A semi-automatic battery core folding mechanism according to claim 1, characterized in that: The support plate (9) and the second upper cylinder mounting plate (8) are provided with two groups and are both fixed on the bottom plate (10); the linear bearing (3) is placed in the second cylinder mounting plate (8); and a limit adjustment plate (12) and a knife pressing mounting plate (13) are arranged on the second upper cylinder mounting plate (8).

3. A semi-automatic battery core folding mechanism according to claim 2, characterized in that: The knife pressing mounting plate (13) is connected to the knife pressing one (1), and a cylinder two (14) and two guide shafts two (16) are mounted below the knife pressing mounting plate (13).

4. A semi-automatic battery core folding mechanism according to claim 3, characterized in that: The upper ends of the two guide shafts (16) pass through the linear bearing (3), and the lower ends thereof are connected to the two side edges and the middle part of the shaft fixing strip (15) respectively with the cylinder (14). The cylinder (14) drives the guide shaft (16) to move up and down by driving the knife pressing mounting plate (13), and causes the knife pressing (1) to move up and down.

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