A lithium battery aluminum plastic film soft package pressing device

Abstract

The utility model discloses a kind of lithium battery aluminium plastic film soft package pressing device, it is related to the technical field of pressing device, solve the pressing device, if the size of aluminium plastic film is less than the size of pressing plate and height is less than the height of clamping plate, then clamping plate is clamped after aluminium plastic film, pressing plate cannot effectively compact aluminium plastic film, pressing plate can extrude clamping plate, thereby reduce the use efficiency of the device The problem, including base and piston pipe, the upper end of the base is provided with support plate, support column is fixedly installed between the support plate and base symmetrically, the piston pipe is slidably connected between base and support plate, piston pressing plate is slidably connected in the piston pipe, by the cooperation between the piston pressing plate and the limiting pressing plate set, aluminium plastic film can be limited while extruding, and limiting pressing plate can be used to limit and extrude aluminium plastic film in vertical direction simultaneously, improve the protection and extrusion effect of aluminium plastic film.

Description

Technical Field

[0001] This utility model relates to the technical field of pressing devices, specifically a pressing device for lithium battery aluminum-plastic film soft packs. Background Technology

[0002] The lithium battery aluminum-plastic film soft pack pressing device is a key piece of equipment used in the production process of lithium battery soft packs to apply precise pressure to the soft pack cells after they are packaged with aluminum-plastic film. Its core function is to ensure the sealing performance, morphological stability and performance consistency of the soft pack battery through stable and uniform pressure.

[0003] A search revealed Chinese patent publication number CN217562628U, which discloses a pressing device for aluminum-plastic film used in lithium batteries. The device includes a base, a support plate and a holding platform on the base, a support plate on the side wall of the support plate, a clamping and fixing device on the holding platform, and a pressing mechanism on the support plate. This utility model belongs to the field of battery manufacturing technology, specifically referring to a pressing device for aluminum-plastic film used in lithium batteries that can press the aluminum-plastic film firmly during lithium battery packaging and simultaneously clamp and fix the lithium battery during the pressing operation to prevent displacement.

[0004] However, in this clamping device, if the size of the aluminum-plastic film is smaller than the size of the pressure plate and the height is smaller than the height of the clamping plate, the pressure plate cannot effectively clamp the aluminum-plastic film after the clamping plate clamps it, and the pressure plate will squeeze the clamping plate, thereby reducing the efficiency of the device. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a lithium battery aluminum-plastic film soft pack pressing device, which solves the problem that if the size of the aluminum-plastic film is smaller than the size of the pressure plate and the height is smaller than the height of the clamping plate, the pressure plate cannot effectively press the aluminum-plastic film after the clamping plate clamps it, and the pressure plate will squeeze the clamping plate, thereby reducing the efficiency of the device.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a lithium battery aluminum-plastic film soft-pack pressing device, comprising a base and a piston tube. A support plate is provided at the upper end of the base, and support columns are symmetrically fixedly installed between the support plate and the base. The piston tube is slidably connected between the base and the support plate. A piston pressure plate is slidably connected inside the piston tube. A limit pressure plate is provided at the lower end of the piston pressure plate, and a limit rod is symmetrically fixedly installed at the upper end of the limit pressure plate. The upper end of the limit rod penetrates the interior of the piston pressure plate and extends to the upper end of the piston pressure plate. A placement plate is fixedly installed at the upper end of the base and is located below the limit pressure plate.

[0007] Preferably, the piston pressure plate has symmetrically arranged grooves inside its bottom surface. Tension springs are fixedly installed between the inner sidewall of the groove and the upper sidewall of the limiting pressure plate. The limiting rod is located inside the groove and is slidably connected to the inside of the piston pressure plate. The tension spring is sleeved on the outside of the limiting rod, thereby facilitating the limiting pressure plate to squeeze and limit the placed aluminum-plastic film.

[0008] Preferably, the limiting pressure plate has multiple second exhaust holes evenly spaced inside, and the front and rear ends of the placement plate have symmetrical first exhaust holes inside, so as to facilitate the discharge of the compressed air inside.

[0009] Preferably, a first cylinder is fixedly installed on the upper end of the support plate, and the output shaft of the first cylinder is fixedly connected to the upper end of the piston tube through the interior of the support plate. A second cylinder is fixedly installed on the upper side wall of the piston tube, and the output shaft of the second cylinder is fixedly connected to the upper end of the piston pressure plate, thereby facilitating the extrusion of the aluminum-plastic film.

[0010] Preferably, fixing blocks are fixedly installed on both ends of the piston tube, and the fixing blocks are slidably sleeved on the outside of the support column, thereby facilitating the movement of the piston tube.

[0011] Preferably, the diameter of the placement plate is equal to the outer diameter of the piston tube, and the limiting pressure plate is slidably connected to the inside of the piston tube, so that the placement plate and the side wall of the piston tube can fit tightly together.

[0012] This utility model provides a lithium battery aluminum-plastic film soft-pack pressing device. It has the following beneficial effects: 1. The lithium battery aluminum-plastic film soft pack pressing device, when using the lithium battery aluminum-plastic film soft pack pressing device, through the cooperation between the set piston pressure plate and the limiting pressure plate, can limit the aluminum-plastic film while squeezing it. In addition, the limiting pressure plate can simultaneously limit and squeeze the aluminum-plastic film in the vertical direction, which improves the protection and squeezing effect of the aluminum-plastic film. 2. This lithium battery aluminum-plastic film soft pack pressing device, when used, involves a piston plate moving up and down inside a piston tube. First, compressed air is used to press the limiting plate, which can stably limit and pre-extrude the aluminum-plastic film. Then, the piston plate is used to press the limiting plate, which can conveniently press the aluminum-plastic film and protect it from damage caused by the impact force of the piston plate. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional view of the present invention; Figure 3 This is a schematic diagram of the bottom structure of the piston pressure plate of this utility model; Figure 4 This utility model Figure 3 Enlarged structural diagram of section A.

[0014] In the diagram, 1 is the base; 2 is the support plate; 3 is the piston tube; 4 is the fixing block; 5 is the first cylinder; 6 is the placement plate; 7 is the first exhaust port; 8 is the limiting pressure plate; 9 is the second exhaust port; 10 is the support column; 11 is the piston pressure plate; 12 is the second cylinder; 13 is the limiting rod; 14 is the groove; and 15 is the tension spring. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-4This utility model provides a lithium battery aluminum-plastic film soft-pack pressing device, including a base 1 and a piston tube 3. A support plate 2 is provided at the upper end of the base 1, and support columns 10 are symmetrically fixed between the support plate 2 and the base 1. The piston tube 3 is slidably connected between the base 1 and the support plate 2. A piston pressure plate 11 is slidably connected inside the piston tube 3. A limit pressure plate 8 is provided at the lower end of the piston pressure plate 11, and a limit rod 13 is symmetrically fixed at the upper end of the limit pressure plate 8. The upper end of the limit rod 13 passes through the interior of the piston pressure plate 11 and extends to the upper end of the piston pressure plate 11. A placement plate 6 is fixedly installed at the upper end of the base 1 and is located below the limit pressure plate 8. The bottom surface of the piston pressure plate 11 is inside... A groove 14 is symmetrically arranged. Tension springs 15 are fixedly installed between the inner sidewall of the groove 14 and the upper sidewall of the limiting pressure plate 8. A limiting rod 13 is located inside the groove 14 and is slidably connected to the inside of the piston pressure plate 11. Tension springs 15 are sleeved on the outside of the limiting rod 13. Multiple second exhaust holes 9 are evenly spaced inside the limiting pressure plate 8, and first exhaust holes 7 are symmetrically arranged inside the front and rear ends of the placement plate 6. A first cylinder 5 is fixedly installed on the upper end of the support plate 2. The output shaft of the first cylinder 5 is fixedly connected to the upper end of the piston tube 3 through the interior of the support plate 2. A second cylinder 12 is fixedly installed on the upper sidewall inside the piston tube 3. The output shaft of the second cylinder 12 is connected to the piston... The upper end of the pressure plate 11 is fixedly connected, and fixing blocks 4 are fixedly installed on both side walls of the piston tube 3. The fixing blocks 4 are slidably sleeved on the outside of the support column 10. The diameter of the placement plate 6 is equal to the outer diameter of the piston tube 3. The limiting pressure plate 8 is slidably connected to the inside of the piston tube 3. When pressing the aluminum-plastic film, the aluminum-plastic film is first placed on the placement plate 6. At this time, the position of the limiting pressure plate 8 will squeeze the surface of the placement plate 6 due to the action of the tension spring 15. Therefore, when placing the aluminum-plastic film, the limiting pressure plate 8 needs to be lifted upward. After the aluminum-plastic film is placed, it can be easily squeezed by the limiting pressure plate 8 under the action of the tension spring 15. Then the first cylinder is opened. 5. Move the piston tube 3 downwards until the bottom of the piston tube 3 is tightly fitted with the upper end of the placement plate 6. Then open the second cylinder 12 to facilitate the downward movement of the piston pressure plate 11, which can compress the air downwards. The compressed air can compress the limiting pressure plate 8 at various positions, which can facilitate the pre-compression of the aluminum-plastic film. The compressed gas will be discharged outwards through the first exhaust port 7 and the second exhaust port 9, which facilitates the downward movement of the piston pressure plate 11 until the piston pressure plate 11 compresses the limiting pressure plate 8, which can facilitate the compression of the placed aluminum-plastic film. Thus, while compressing the aluminum-plastic film, it can also protect it.

[0017] It should be noted that, in this embodiment, as Figure 1-4As shown, when pressing the aluminum-plastic film, the aluminum-plastic film is first placed on the placement tray 6. At this time, the position of the limiting pressure plate 8 will be squeezed against the surface of the placement tray 6 due to the action of the tension spring 15. Therefore, when placing the aluminum-plastic film, the limiting pressure plate 8 needs to be lifted upwards. After the aluminum-plastic film is placed, it can be easily squeezed by the limiting pressure plate 8 under the action of the tension spring 15. Then, the first cylinder 5 is opened, causing the piston tube 3 to move downwards until the bottom of the piston tube 3 is tightly attached to the upper end of the placement tray 6. Then, the second cylinder 5 is opened. When cylinder 12 is opened, the piston plate 11 can be moved downwards, and the air can be compressed downwards. The compressed air can compress the limiting plate 8 at various positions, which can easily pre-compress the aluminum-plastic film. The compressed gas will be discharged outwards through the first exhaust port 7 and the second exhaust port 9, so that the piston plate 11 can move downwards until the piston plate 11 compresses the limiting plate 8, which can easily compress the placed aluminum-plastic film. Thus, while compressing the aluminum-plastic film, it can also protect it.

[0018] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0019] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A lithium battery aluminum-plastic film soft-pack pressing device, characterized in that: The device includes a base (1) and a piston tube (3). A support plate (2) is provided at the upper end of the base (1). Support columns (10) are symmetrically fixed between the support plate (2) and the base (1). The piston tube (3) is slidably connected between the base (1) and the support plate (2). A piston pressure plate (11) is slidably connected inside the piston tube (3). A limit plate (8) is provided at the lower end of the piston pressure plate (11). A limit rod (13) is symmetrically fixed at the upper end of the limit plate (8). The upper end of the limit rod (13) passes through the interior of the piston pressure plate (11) and extends to the upper end of the piston pressure plate (11). A placement plate (6) is fixedly installed at the upper end of the base (1) and is located below the limit plate (8).

2. The lithium battery aluminum-plastic film soft-pack pressing device according to claim 1, characterized in that: The piston pressure plate (11) has symmetrical grooves (14) inside its bottom surface. Tension springs (15) are fixedly installed between the inner side wall of the groove (14) and the upper side wall of the limiting pressure plate (8). The limiting rod (13) is located inside the groove (14) and is slidably connected to the inside of the piston pressure plate (11). The tension spring (15) is sleeved on the outside of the limiting rod (13).

3. The lithium battery aluminum-plastic film soft-pack pressing device according to claim 1, characterized in that: The limiting pressure plate (8) has multiple second exhaust holes (9) arranged at equal intervals inside, and the placement plate (6) has first exhaust holes (7) symmetrically arranged inside the front and rear ends.

4. The lithium battery aluminum-plastic film soft-pack pressing device according to claim 1, characterized in that: A first cylinder (5) is fixedly installed on the upper end of the support plate (2). The output shaft of the first cylinder (5) is fixedly connected to the upper end of the piston tube (3) through the interior of the support plate (2). A second cylinder (12) is fixedly installed on the upper side wall of the piston tube (3). The output shaft of the second cylinder (12) is fixedly connected to the upper end of the piston pressure plate (11).

5. The lithium battery aluminum-plastic film soft-pack pressing device according to claim 1, characterized in that: The piston tube (3) has fixed blocks (4) fixedly installed on both sides of the piston tube (3), and the fixed blocks (4) are slidably sleeved on the outside of the support column (10).

6. The lithium battery aluminum-plastic film soft-pack pressing device according to claim 1, characterized in that: The diameter of the placement plate (6) is equal to the outer diameter of the piston tube (3), and the limiting pressure plate (8) is slidably connected to the inside of the piston tube (3).

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