Assembling mechanism for lithium battery pack production

Abstract

The utility model belongs to the technical field of lithium battery pack processing, and particularly relates to an assembling mechanism for lithium battery pack production, which comprises a base, a loading seat is fixedly mounted at the top of the base, a fixing plate is fixedly mounted on the loading seat, an electric push rod is fixedly arranged on the fixing plate, and the electric push rod is fixed on the base. A connecting seat is fixedly arranged at the bottom of the electric push rod, positioning rods are symmetrically installed on the top of the base, a sliding plate is slidably installed on the positioning rods, the connecting seat is fixedly connected with the sliding plate, a fixed seat is fixedly installed on the sliding plate, a long sliding groove is formed in the fixed seat, and a sliding groove is formed in the long sliding groove. A limiting mechanism is arranged on the inner side of the long sliding groove, a first sliding rail is fixedly arranged at the position, located on the inner side of the positioning rod, of the top of the base, and a sliding base is arranged on the first sliding rail in a sliding mode. The device is high in structural linkage, ensures the stability between layers of the pole pieces and prevents dislocation when the lithium battery pole pieces are pressed, and is more convenient to use.

Description

Technical Field

[0001] This utility model belongs to the field of lithium battery pack processing technology, specifically an assembly mechanism for lithium battery pack production. Background Technology

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the positive / negative electrode material and a non-aqueous electrolyte solution. They are mainly divided into two categories: non-rechargeable lithium metal batteries and rechargeable lithium-ion batteries. The positive electrode determines the battery's energy density and safety. For example, lithium cobalt oxide has high energy density, while lithium iron phosphate has high safety. They are mostly made of graphite or silicon-based materials. Graphite has high stability, while silicon-based materials can improve capacity but the expansion problem needs to be solved.

[0003] In the production process of lithium battery packs, the electrode lamination process is a key step that determines the battery's energy density, cycle life, and safety.

[0004] Traditional pressing mechanisms employ multi-stage transmission or independent limiting components, resulting in poor linkage and a tendency for misalignment between electrode layers during lithium battery electrode pressing, making them inconvenient to use. Therefore, to address these issues, an assembly mechanism for lithium battery pack production is proposed. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes an assembly mechanism for lithium battery pack production.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: An assembly mechanism for lithium battery pack production, comprising a base, a loading seat fixedly installed on the top of the base, a fixing plate fixedly installed on the loading seat, an electric push rod fixedly installed on the fixing plate, a connecting seat fixedly installed at the bottom of the electric push rod, positioning rods symmetrically installed on the top of the base, a sliding plate slidably installed on the positioning rod, the connecting seat fixedly connected to the sliding plate, a fixing seat fixedly installed on the sliding plate, a long sliding groove provided on the fixing seat, a limiting mechanism provided on the inner side of the long sliding groove, a first slide rail fixedly installed on the top of the base and inside the positioning rod, a sliding seat slidably installed on the first slide rail, a top-connecting frame fixedly installed on the top of the sliding seat, a placement seat provided on the top of the top-connecting frame, a limiting mechanism cooperating component provided on the side of the top-connecting frame, and a placement groove provided on the inner side of the placement seat.

[0007] Preferably, the sliding plate is symmetrically equipped with sliding sleeves, and the sliding plate passes through the inner side of the sliding sleeves.

[0008] Preferably, a pressing plate is fixedly provided at the bottom of the connecting seat, and the pressing plate is adapted to the placement groove.

[0009] Preferably, the limiting mechanism includes a pulley that is slidably disposed inside the long groove, a central seat that is fixedly installed on the top of the base, a push-pull rod that is rotatably disposed on the central seat, and the pulley that is connected to the push-pull rod.

[0010] Preferably, the limiting mechanism assembly includes a second slide rail fixedly disposed on the side of the top support frame, and a sliding strip is slidably mounted on the second slide rail.

[0011] Preferably, the sliding bar is rotatably connected to the push-pull rod.

[0012] The beneficial effects of this utility model are:

[0013] This utility model provides an assembly mechanism for lithium battery pack production. A limiting mechanism supports a fixed base and a top-mounted frame, so that when an electric push rod pushes a sliding plate downwards, the fixed base moves downwards along with the sliding plate. During this process, the top-mounted frame moves towards the loading seat until the connecting seat coincides with the placement slot, thus pressing the lithium battery pack electrodes in the placement slot together. A first slide rail limits the movement of the top-mounted frame, allowing it to move linearly. A sliding block slidably mounted on the first slide rail supports the top-mounted frame and the first slide rail. The top-mounted frame is used to load the placement seat. The placement seat moves linearly along with the top of the top frame. The placement seat on the top of the top frame, together with the placement slot, is used to load the electrode sheets of the lithium battery pack. The limiting mechanism on the side of the top frame, together with the component, is used to control the linear displacement distance of the top frame. This distance is the downward movement distance of the sliding plate. This downward movement distance corresponds to the linear position of the top frame, so that when the sliding plate is pressed down, it just drives the placement slot to move below it, realizing the rapid pressing of the lithium battery electrode sheets, so that the active material on it is tightly attached to the current collector, reducing porosity, increasing the electrode sheet surface density and energy density, thereby improving the energy density and structural stability of the lithium battery.

[0014] This device has a strong structural linkage, which ensures the stability between the electrode layers during the pressing of lithium battery electrodes, prevents misalignment, and makes it easier to use. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0016] In the attached diagram:

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model. Figure 1 ;

[0018] Figure 2This is a schematic diagram of the overall structure of this utility model. Figure 1 ;

[0019] Figure 3 This is a utility model Figure 2 Enlarged schematic diagram of structure A in the middle;

[0020] Figure 4 This is a perspective view of the push-pull rod in this utility model.

[0021] Legend:

[0022] 1. Base; 2. Loading seat; 3. Fixing plate; 4. Electric push rod; 5. Positioning rod; 6. Sliding plate; 7. Sliding sleeve; 8. Connecting seat; 9. Pressing plate; 10. First slide rail; 11. Sliding seat; 12. Top connecting frame; 13. Second slide rail; 14. Placement seat; 15. Placement groove; 16. Fixing seat; 17. Long slide groove; 18. Pulley; 19. Push-pull rod; 20. Center seat; 21. Sliding bar. Detailed Implementation

[0023] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Specific implementation examples are given below.

[0025] Please see Figures 1-4 This utility model provides an assembly mechanism for lithium battery pack production, including a base 1, a loading seat 2 fixedly installed on the top of the base 1, a fixing plate 3 fixedly installed on the loading seat 2, an electric push rod 4 fixedly installed on the fixing plate 3, a connecting seat 8 fixedly installed at the bottom of the electric push rod 4, positioning rods 5 symmetrically installed on the top of the base 1, a sliding plate 6 slidably installed on the positioning rods 5, the connecting seat 8 is fixedly connected to the sliding plate 6, a fixing seat 16 fixedly installed on the sliding plate 6, a long sliding groove 17 is provided on the fixing seat 16, a limiting mechanism is provided on the inner side of the long sliding groove 17, a first slide rail 10 is fixedly installed on the top of the base 1 and located inside the positioning rods 5, a sliding seat 11 is slidably installed on the first slide rail 10, a top connecting frame 12 is fixedly installed on the top of the sliding seat 11, a placement seat 14 is provided on the top of the top connecting frame 12, a limiting mechanism cooperating component is provided on the side of the top connecting frame 12, and a placement groove 15 is provided on the inner side of the placement seat 14.

[0026] In use, the system includes a base 1 for loading and supporting a loading seat 2; a loading seat 2 fixedly mounted on the top of the base 1 for loading and supporting a fixing plate 3; a fixing plate 3 fixedly mounted on the loading seat 2 for loading and supporting an electric push rod 4; an electric push rod 4 fixedly mounted on the fixing plate 3 for driving a sliding plate 6 to perform vertical linear displacement; a connecting seat 8 fixedly mounted at the bottom of the electric push rod 4 for achieving linear displacement together with the sliding plate 6, and for pressing the lithium battery pack electrodes during the displacement process; and positioning rods symmetrically mounted on the top of the base 1 for limiting the sliding plate 6. During the movement of the sliding plate 6, the positioning rod 5 ensures that the sliding plate 6 only performs vertical linear displacement. The connecting seat 8 is fixedly connected to the sliding plate 6. The fixed seat 16 fixedly installed on the sliding plate 6 is used to limit the limiting mechanism. The long slide groove 17 opened on the fixed seat 16 is used to limit the movement trajectory of the limiting mechanism. The limiting mechanism set on the inner side of the long slide groove 17 supports the fixed seat 16 and the top support frame 12, so that when the electric push rod 4 pushes the sliding plate 6 downward, the fixed seat 16 moves downward along with the sliding plate 6, and during this process, the top support frame 12... 2. Move towards the loading seat 2 until the connecting seat 8 overlaps with the placement groove 15, thereby pressing the lithium battery pack electrode sheets in the placement groove 15. The first slide rail 10, which is fixedly installed on the top of the base 1 and inside the positioning rod 5, is used to limit the movement of the top connecting frame 12, so that the top connecting frame 12 can perform linear displacement. The slide seat 11, which is slidably installed on the first slide rail 10, is used to support the top connecting frame 12 and the first slide rail 10. The top connecting frame 12, which is fixedly installed on the top of the slide seat 11, is used to load the placement seat 14 and drive the placement seat 14 to move linearly together. The placement seat 14 and placement groove 15 are used to load the electrode sheets of the lithium battery pack. The limiting mechanism and component on the side of the top mounting frame 12 are used to control the linear displacement distance of the top mounting frame 12. This distance is the downward movement distance of the sliding plate 6. This downward movement distance corresponds to the linear position of the top mounting frame 12, so that when the sliding plate 6 is pressed down, it just drives the placement groove 15 to move below it, realizing the rapid pressing of the lithium battery electrode sheets, so that the active material on it is tightly attached to the current collector, reducing porosity, increasing the electrode sheet surface density and energy density, thereby improving the energy density and structural stability of the lithium battery.

[0027] Furthermore, such as Figure 1 As shown, sliding sleeves 7 are symmetrically installed on the sliding plate 6, and the sliding plate 6 passes through the inner side of the sliding sleeves 7.

[0028] In use, the sliding sleeves 7 symmetrically installed on the sliding plate 6 are used to support the positioning rod 5 and the sliding plate 6, which can reduce the wear between the two and help extend the service life of the device.

[0029] Furthermore, such as Figure 2As shown, a pressing plate 9 is fixedly installed at the bottom of the connecting seat 8, and the pressing plate 9 is adapted to the placement groove 15.

[0030] In use, the pressing plate 9 fixedly installed at the bottom of the connector 8 is used to press the electrode of the lithium battery pack, so that the active material on it is tightly attached to the current collector, reducing porosity, increasing the electrode surface density and energy density, thereby improving the energy density and structural stability of the lithium battery. The pressing plate 9 is compatible with the placement groove 15.

[0031] Furthermore, such as Figure 3 As shown, the limiting mechanism includes a pulley 18 that slides inside the long slide groove 17, a center seat 20 that is fixedly installed on the top of the base 1, and a push-pull rod 19 that is rotatably mounted on the center seat 20. The pulley 18 is connected to the push-pull rod 19.

[0032] In use, the limiting mechanism includes a pulley 18 that slides inside the long slide groove 17 to support the push-pull rod 19 and the fixed seat 16, so that the two can move smoothly relative to each other. The center seat 20 fixedly installed on the top of the base 1 is used to load and limit the push-pull rod 19. The push-pull rod 19 rotatably mounted on the center seat 20 is used to support the fixed seat 16 and the top bracket 12.

[0033] Furthermore, such as Figure 1 As shown, the limiting mechanism assembly includes a second slide rail 13 fixedly mounted on the side of the top bracket 12, and a sliding strip 21 slidably mounted on the second slide rail 13.

[0034] In use, the limiting mechanism, together with the components including the second slide rail 13 fixedly mounted on the side of the top bracket 12, is used to load and limit the sliding bar 21, so that the sliding bar 21 makes linear displacement on the second slide rail 13, thereby ensuring that while the electric push rod 4 is pushing, the placement seat 14 moves to directly below the pressing plate 9.

[0035] Furthermore, such as Figure 1 As shown, the sliding bar 21 is rotatably connected to the push-pull rod 19.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An assembling mechanism for lithium battery production, comprising a base (1), characterized in that: The top of the base (1) is fixedly installed with a loading seat (2), the loading seat (2) is fixedly installed with a fixed plate (3), the fixed plate (3) is fixedly provided with an electric push rod (4), the bottom of the electric push rod (4) is fixedly provided with a connecting seat (8), the top of the base (1) is symmetrically installed with a positioning rod (5), the positioning rod (5) is slidably installed with a sliding plate (6), the connecting seat (8) is fixedly connected with the sliding plate (6), the sliding plate (6) is fixedly installed with a fixed seat (16), the fixed seat (16) is provided with a long sliding groove (17), the inner side of the long sliding groove (17) is provided with a limiting mechanism, the top of the base (1) and the inner side of the positioning rod (5) are fixedly provided with a first sliding rail (10), the first sliding rail (10) is slidably provided with a sliding seat (11), the top of the sliding seat (11) is fixedly provided with a top abutment (12), the top of the top abutment (12) is provided with a placing seat (14), the side of the top abutment (12) is provided with a limiting mechanism matching assembly, the inner side of the placing seat (14) is provided with a placing groove (15).

2. The assembling mechanism for lithium battery production according to claim 1, characterized in that: The sliding plate (6) is symmetrically installed with a sliding sleeve (7), the sliding plate (6) is provided with the inner side of the sliding sleeve (7).

3. The assembling mechanism for lithium battery production according to claim 1, characterized in that: The bottom of the connecting seat (8) is fixedly provided with a pressing plate (9), the pressing plate (9) is matched with the placing groove (15).

4. The assembling mechanism for lithium battery production according to claim 1, characterized in that: The limiting mechanism comprises a pulley (18) slidably arranged in the inner side of the long sliding groove (17), the top of the base (1) is fixedly installed with a center seat (20), the center seat (20) is rotatably provided with a push-pull rod (19), the pulley (18) is connected with the push-pull rod (19).

5. The assembling mechanism for lithium battery production according to claim 4, characterized in that: The limiting mechanism matching assembly comprises a second sliding rail (13) fixedly provided on the side of the top abutment (12), the second sliding rail (13) is slidably installed with a sliding bar (21).

6. The assembling mechanism for lithium battery production according to claim 5, characterized in that: The sliding bar (21) is rotatably connected with the push-pull rod (19).

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