Lithium battery cell welding device

Abstract

The utility model discloses a lithium battery cell welding device, and relates to the technical field of lithium battery processing. The device comprises a bottom plate with a smooth upper surface, wherein a side plate A and a side plate B are respectively arranged on two sides of the upper surface of the bottom plate; a clamping plate A is connected to one side of the side plate A, a plurality of telescopic modules are fixed to one side of the side plate B, a clamping plate B is connected to the ends of the telescopic modules, and a plurality of clamping plates C sliding along the upper surface of the bottom plate are arranged between the clamping plate A and the clamping plate B; a plurality of clamping grooves A are formed in one side of the clamping plate A. A plurality of clamping grooves B are formed in one side of the clamping plate C. A plurality of clamping grooves C are formed in the two sides of the clamping plate C. According to the utility model, the clamp consisting of the clamping plate A, the clamping plate B and the clamping plate C is used for clamping the columnar lithium battery and then welding the columnar lithium battery, and the clamp is controlled to unclamp the columnar lithium battery after welding is completed, so that the columnar lithium battery can be conveniently taken out after welding is completed.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery processing, and particularly relates to a lithium battery cell welding device. Background Technique

[0002] A lithium battery is a type of battery with lithium metal or lithium alloy as the positive / negative electrode material and using a non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high requirements for the environment. With the development of science and technology, lithium batteries have become the mainstream. When assembling lithium batteries, multiple cylindrical lithium batteries are generally neatly arranged through the positioning grooves on the support plate fixture for subsequent welding processing to electrically connect multiple lithium batteries.

[0003] For example, CN216503169U discloses a fixture for easily splicing and welding lithium batteries, including a first support plate and a second support plate. When multiple cylindrical lithium batteries are neatly arranged and welded during use, it is inconvenient to remove the welded lithium battery row from the fixture. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a lithium battery cell welding device. Through a fixture composed of clamp plate A, clamp plate B, and clamp plate C, the fixture is used to clamp a cylindrical lithium battery for welding, and after welding, the fixture is controlled to release the clamping force on the cylindrical lithium battery, solving the problems raised in the background technique.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a lithium battery cell welding device, including a bottom plate with a smooth upper surface. On both sides of the upper surface of the bottom plate, side plate A and side plate B are respectively arranged; on one side of side plate A, clamp plate A is connected, and on one side of side plate B, a plurality of telescopic modules are fixed. The ends of the plurality of telescopic modules are connected with a clamp plate B. Between clamp plate A and clamp plate B, a plurality of clamp plates C sliding along the upper surface of the bottom plate are arranged; on one side of clamp plate A, a plurality of clamping grooves A are arranged, on one side of clamp plate C, a plurality of clamping grooves B are arranged, and on both sides of clamp plate C, a plurality of clamping grooves C are arranged.

[0007] Further, the clamping grooves A and C, the clamping grooves B and C, and the clamping grooves C and C cooperate to form a clamping cavity for clamping the lithium battery cell.

[0008] Further, the telescopic module includes an inner sleeve and an outer sleeve that are hermetically sleeved with each other. A flow channel communicating with the telescopic module is arranged in side plate B; an air inlet and an air outlet communicating with the flow channel are arranged on the outer side wall of side plate B; a valve nozzle is arranged in the air inlet, and a hole plug is arranged at the air outlet.

[0009] Furthermore, a plurality of elastic telescopic structures are arranged between the splint A and the splint C, between the splint C and the splint B, and between two adjacent splints C.

[0010] Furthermore, the elastic telescopic structure includes an inner sleeve and an outer sleeve that cooperate with each other, and the ends of the inner sleeve and the outer sleeve are respectively connected to movable columns; the splint A, splint C and splint B are all provided with slots for inserting the movable column; a magnetic block A is provided on the bottom side of the slot, and a magnetic block B that cooperates with and attracts the magnetic block A is provided at the end of the movable column; the movable column slides along the inner wall of the slot.

[0011] Furthermore, the cross-sections of the clamping grooves A, B and C are all semicircular, and the inner walls of the clamping grooves A, B and C are all provided with rubber layers; protrusions are provided on both sides of the bottom plate, and U-shaped handles are connected to the protrusions.

[0012] The utility model has the following beneficial effects:

[0013] The utility model provides a clamp composed of a clamp A, a clamp B and a clamp C, which is used to clamp a columnar lithium battery and then weld it. After welding is completed, the clamp is controlled to remove the clamping of the columnar lithium battery, thereby facilitating the removal of the columnar lithium battery after welding is completed.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the structure of the welding device of the utility model;

[0017] Figure 2 for Figure 1 Top view;

[0018] Figure 3 It is a schematic diagram of the elastic telescopic structure of the utility model. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the protection scope of the present utility model.

[0020] In the description of the present utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery", etc. indicating the orientation or positional relationship are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0021] Please refer to Figure 1-2 As shown, the present utility model is a welding device for lithium battery cells, which is used to neatly arrange and place a plurality of columnar lithium batteries during use. To facilitate the realization of the above functions, the provided welding device includes a bottom plate 1 with a smooth upper surface. On both sides of the upper surface of the bottom plate 1, a side plate A11 and a side plate B12 are respectively provided. At the same time, a fixture for clamping columnar lithium batteries is provided in the area between the side plate A11 and the side plate B12.

[0022] As Figure 1-2 , the fixture includes a clamping plate A2 provided with a plurality of clamping grooves A201 on one side. The clamping plate A2 is fixed on one side wall of the side plate A11. One side of the clamping plate A2 is connected to a clamping plate B20 through an elastic telescopic structure 3. One side of the clamping plate B20 is connected to a clamping plate C21 or a clamping plate B20 through an elastic telescopic structure 3. At the same time, a plurality of telescopic modules 13 are fixed on the side plate B12. One side of the clamping plate C21 is fixed at the end of the telescopic module 13, and a plurality of clamping grooves B203 are provided on one side of the clamping plate C21. A plurality of clamping grooves C202 are provided on both sides of the clamping plate C21; the clamping grooves A201 and the clamping grooves C202, the clamping grooves B203 and the clamping grooves C202, and the clamping grooves C202 and the clamping grooves C202 cooperate to form a clamping cavity for clamping the lithium battery cells.

[0023] The cross-sections of the clamping grooves A201, the clamping grooves B203 and the clamping grooves C202 are all semi-circular, and rubber layers are provided on the inner walls of the clamping grooves A201, the clamping grooves B203 and the clamping grooves C202.

[0024] Based on the above, when the welding device provided by the present application is in use, first control the telescopic module 13 to contract. At this time, there are gaps between the clamping plates A2, B20, and C21. Then, take a lithium battery cell and place it into the clamping cavity. Control the telescopic module 13 to extend. At this time, both the clamping plates B20 and C21 move towards the side close to the clamping plate A2. Then, the clamping plates A2, B20, and C21 are all in contact with each other. Then, by using the function of the above clamping cavity, the lithium battery cell placed inside it is clamped and fixed, avoiding the phenomenon of the lithium battery cell shaking during the welding process.

[0025] In the above, when controlling the clamping plates B20 and C21 to move towards the side close to the clamping plate A2, the bottom surfaces of the clamping plates B20 and C21 slide along the smooth surface of the bottom plate 1.

[0026] During use, in order to facilitate the control of the telescopic module 13 to expand and contract, the provided telescopic module 13 includes an inner sleeve and an outer sleeve that are hermetically sleeved with each other. A flow channel communicating with the telescopic module 13 is provided inside the side plate B12; an air inlet 121 and an air outlet 120 communicating with the flow channel are provided on the outer side wall of the side plate B12.

[0027] On the basis of the above, a valve nozzle is provided inside the air inlet 121 of the present application, and a hole plug is provided at the air outlet 120.

[0028] At the same time, as Figure 3 , the elastic telescopic structure 3 provided by the present application includes an inner sleeve 32 and an outer sleeve 31 that cooperate with each other. The end parts of the inner sleeve 32 and the outer sleeve 31 are respectively connected with a movable column 30; at the same time, in order to facilitate the control of the installation and disassembly of the elastic telescopic structure 3, slots for the movable column 30 to insert are provided on the clamping plates A2, C21, and B20; and a magnetic block A is provided on the bottom surface of the slot, and a magnetic block B that cooperates with and attracts the magnetic block A is provided at the end of the movable column 30; the movable column 30 slides along the inner wall of the slot.

[0029] Protrusions 14 are provided on both sides of the bottom plate 1, and a U-shaped handle 15 is connected to the protrusions 14.

[0030] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0031] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A lithium battery core welding device, characterized in that: It comprises a bottom plate (1) with a smooth upper surface, and a side plate A (11) and a side plate B (12) are respectively arranged on both sides of the upper surface of the bottom plate (1); A clamping plate A (2) is connected to one side of the side plate A (11), a plurality of telescopic modules (13) are fixed to one side of the side plate B (12), a clamping plate B (20) is connected to the ends of the plurality of telescopic modules (13), and a plurality of clamping plates C (21) are arranged between the clamping plates A (2) and the clamping plates B (20) and slide along the upper surface of the bottom plate (1); A plurality of clamping grooves A (201) are provided on one side of the clamping plate A (2), a plurality of clamping grooves B (203) are provided on one side of the clamping plate C (21), and a plurality of clamping grooves C (202) are provided on both sides of the clamping plate C (21).

2. A lithium battery core welding device according to claim 1, characterized in that: The clamping groove A (201) and the clamping groove C (202), the clamping groove B (203) and the clamping groove C (202), and the clamping groove C (202) and the clamping groove C (202) cooperate to form a clamping cavity for clamping the lithium battery cell.

3. A lithium battery core welding device according to claim 1, characterized in that: The telescopic module (13) comprises an inner sleeve and an outer sleeve which are sealed and sleeved with each other; a flow channel which is in communication with the telescopic module (13) is provided in the side panel B (12); and an air inlet (121) and an air outlet (120) which are in communication with the flow channel are provided on the outer side wall of the side panel B (12).

4. A lithium battery core welding device according to claim 3, characterized in that: An air valve is arranged in the air inlet (121), and a hole plug is arranged at the air outlet (120).

5. A lithium battery core welding device according to claim 1, characterized in that: A plurality of elastic telescopic structures (3) are arranged between the clamping plate A (2) and the clamping plate C (21), between the clamping plate C (21) and the clamping plate B (20), and between two adjacent clamping plates C (21).

6. A lithium battery core welding device according to claim 5, characterized in that: The elastic telescopic structure (3) comprises an inner sleeve (32) and an outer sleeve (31) that cooperate with each other, and the ends of the inner sleeve (32) and the outer sleeve (31) are respectively connected to movable columns (30); The clamping plate A (2), the clamping plate C (21) and the clamping plate B (20) are all provided with slots for inserting the movable column (30).

7. A lithium battery core welding device according to claim 6, characterized in that: A magnetic block A is arranged on the bottom side of the slot, and a magnetic block B which cooperates with and attracts the magnetic block A is arranged at the end of the movable column (30); the movable column (30) slides along the inner wall of the slot.

8. A lithium battery core welding device according to claim 1, characterized in that: The cross-sections of the clamping groove A (201), the clamping groove B (203) and the clamping groove C (202) are all semicircular, and the inner walls of the clamping groove A (201), the clamping groove B (203) and the clamping groove C (202) are all provided with a rubber layer.

9. A lithium battery core welding device according to claim 1, characterized in that: Protrusions (14) are provided on both sides of the bottom plate (1), and a U-shaped handle (15) is connected to the protrusion (14).

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