Lithium cell pushing block and pushing device with same

Abstract

The utility model relates to the technical field of battery production, in particular to a lithium cell pushing block and a pushing device with the same, which comprise a pushing block, two abutting bosses are arranged at the acting end of the pushing block, a preset distance is reserved between the two abutting bosses, and the pushing block is arranged on the pushing block. The abutting bosses on the two sides are used for abutting against the edges of the two sides of the acting end of the battery cell, so that the acting end of the material pushing block is isolated from the middle of the acting end of the battery cell. The utility model has the beneficial effects that the propping bosses are arranged on the two sides of the material pushing block and are used for propping the edge positions on the two sides of the battery cell, so that the basic function of pushing the battery cell to slide is realized; a preset distance is formed between the two abutting bosses, and an accommodating groove is formed between the two abutting bosses and the side wall of the material pushing block, so that the material pushing block is isolated from the middle position of the battery cell, and the bulged and bulged part of the battery cell can be accommodated in the accommodating groove, so that the battery cell cannot deviate in the process of pushing the deformed battery cell by the material pushing block.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a lithium battery core pushing block and a pushing device with the pushing block. Background Art

[0002] With the rapid economic development and the continuous growth of energy demand, lithium batteries, as an efficient and environmentally friendly energy storage technology, are receiving more and more attention and application. Lithium battery film is an important part of the lithium battery production process.

[0003] refer to Figure 1 At present, most of the film laminating machines on the market use a push block 2' to directly contact the side of the lithium battery cell 1', then push the lithium battery cell 1' to a preset position, and then apply film to each side, and finally achieve film coating of the entire lithium battery cell 1'; when the side of the lithium battery cell 1' is inconsistent, that is, the middle position of the side wall of the lithium battery cell 1' is deformed and has a bulge 3', when the push block 2' pushes the lithium battery cell 1' to move forward, it is easy to cause the lithium battery cell 1' to deviate, so that the actual position of the lithium battery cell 1' is different from the preset film-applying position, which in turn causes the film-applying to deviate, and finally leads to quality defects in the product. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a lithium battery core pushing block and a pushing device with the pushing block.

[0005] The utility model is realized by the following technical solutions:

[0006] A lithium battery cell pushing block comprises a pushing block, wherein the pushing block has two abutting bosses at its active end, a preset spacing between the two abutting bosses, and the abutting bosses on both sides are used to abut against the edge positions on both sides of the applied end of the battery cell, so that the active end of the pushing block is isolated from the middle position of the applied end of the battery cell.

[0007] As a further improvement of the present invention, anti-deflection bosses are provided on the two abutting bosses, the distance between the two anti-deflection bosses is greater than the width of the battery cell, and the two anti-deflection bosses can abut against the side edges of the front and rear sides of the battery cell.

[0008] As a further improvement of the present invention, an inclined guide surface is provided on the side where the anti-deflection boss abuts against the battery cell, and the inclined guide surface is inclined from the connection between the anti-deflection boss and the abutting boss toward a direction away from the side surface of the battery cell.

[0009] As a further improvement of the present invention, the inclined guide surface has an inclination angle of 30-60°.

[0010] As a further improvement of the present invention, a wear-resistant layer is provided on the anti-deflection boss and the abutting boss.

[0011] As a further improvement of the utility model, the pushing block, the top boss and the anti-deflection boss are integrally formed.

[0012] Based on the same concept, the utility model also provides a pushing device with a lithium battery pushing block, including the pushing block as described above, wherein a driving mechanism for driving the pushing block to slide is arranged on one side of the pushing block.

[0013] As a further improvement of the utility model, the driving mechanism includes a rotating screw rod rotatably arranged on the lower side of the pushing block, one end of the rotating screw rod is transmission-connected to a rotating driving device for driving the rotating screw rod to rotate, a transmission seat is transmission-connected on the rotating screw rod, one end of the transmission seat is transmission-connected to the pushing block for driving the pushing block to slide.

[0014] As a further improvement of the utility model, the pusher block is provided with a plurality of connection holes, and the connection holes can be penetrated by connection members to connect with the transmission seat.

[0015] The beneficial effects of the utility model include: abutting bosses are arranged on both sides of the pushing block, which are used to abut the edge positions on both sides of the battery cell, thereby realizing the basic function of pushing the battery cell to slide; the two abutting bosses are provided with a preset spacing, and a receiving groove is formed between the two abutting bosses and the side walls of the pushing block, so that the pushing block is isolated from the middle position of the battery cell, and the bulging part of the battery cell can be accommodated in the receiving groove, so that the pushing block will not cause the battery cell to shift during the process of pushing the deformed battery cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following is a detailed description of the preferred implementation examples of the present invention with reference to the accompanying drawings to help understand the purpose and advantages of the present invention, wherein:

[0017] Figure 1 It is a schematic diagram of the background technology structure in the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the pusher block in the embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the embodiment of the utility model when a top-stop boss is provided;

[0021] Figure 5 This is a schematic diagram of the structure of the embodiment of the utility model when an anti-deflection boss is provided;

[0022] Figure 6 This is a schematic diagram of the structure of the battery cell when it is offset in the embodiment of the utility model;

[0023] Figure 7 This is a schematic diagram of the structure when an embodiment of the utility model is provided with an inclined guide surface;

[0024] Figure 8 This is a structural schematic diagram of Example 2 of the present utility model. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below based on the accompanying drawings and implementation cases.

[0026] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. The words "inside" and "outside" refer to the direction toward or away from the geometric center of a specific component, respectively. They are relative concepts, and therefore may change accordingly according to different locations and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0027] Example 1, reference Figures 2 to 7 , what this embodiment discloses is:

[0028] A lithium battery cell pushing block comprises a pushing block 1, wherein the action end of the pushing block 1 is provided with two abutting bosses 2, and a preset spacing is provided between the two abutting bosses 2, and the abutting bosses 2 on both sides are used to abut the edge positions on both sides of the action end of the battery cell 3, so that the action end of the pushing block 1 is isolated from the middle position of the action end of the battery cell 3; specifically, abutting bosses 2 are provided on both sides of the pushing block 1, which are used to abut the edge positions on both sides of the battery cell 3, thereby realizing the basic function of pushing the battery cell 3 to slide; the two abutting bosses 2 are provided with a preset spacing, and a receiving groove 9 is formed between the two abutting bosses 2 and the side walls of the pushing block 1, so that the pushing block 1 is isolated from the middle position of the battery cell 3, and the bulging part of the battery cell 3 can be accommodated in the receiving groove 9, so that the pushing block 1 will not cause the battery cell 3 to shift during the process of pushing the deformed battery cell 3.

[0029] refer to Figure 4 In the process of the abutting boss 2 pushing the battery cell 3, the battery cell 3 may slip forward / backward, causing the battery cell 3 to deviate; therefore, as a further improvement, the two abutting bosses 2 are each provided with an anti-deflection boss 4, the distance between the two anti-deflection bosses 4 is greater than the width of the battery cell 3, and the two anti-deflection bosses 4 can abut the side edges of the front and rear sides of the battery cell 3, for details, please refer to Figure 5 An anti-deflection boss 4 is provided on the abutting boss 2, which abuts against the front and rear sides of the battery cell 3 respectively, thereby limiting the forward / rearward deviation of the battery cell 3.

[0030] However, reference Figure 6 When the battery cell 3 is in the initial position where it is not pushed, the battery cell 3 itself may have a certain degree of deviation when it is placed. At this time, the front and rear sides of the battery cell 3 cannot be accurately restricted between the two anti-deflection bosses 4; the side where the anti-deflection boss 4 abuts against the battery cell 3 is provided with an inclined guide surface 5, and the inclined guide surface 5 is inclined from the junction of the anti-deflection boss 4 and the abutting boss 2 to the direction away from the side of the battery cell 3; for specific reference Figure 7 When the battery cell 3 is offset to a certain extent, when the push block 1 presses against the battery cell 3, the inclined guide surface 5 presses against the edge of the battery cell 3, and under the action of force, the battery cell 3 can slide along the inclined guide surface 5, so that the end of the battery cell 3 that is affected can be accurately located between the two anti-deflection bosses 4.

[0031] The inclined guide surface 5 has an inclination angle of 30-60°, specifically 60° in this embodiment.

[0032] In addition, a wear-resistant layer (not shown in the figure) is provided on the anti-deflection boss 4 and the abutting boss 2. Specifically, Teflon tape is adhered to the surface of the anti-deflection boss 4 and the abutting boss 2 to form the wear-resistant layer, thereby preventing the battery cell 3 from directly contacting the anti-deflection boss 4 and the abutting boss 2, thereby preventing the anti-deflection boss 4 and the abutting boss 2 from wearing.

[0033] In this embodiment, the pushing block 1, the abutting boss 2 and the anti-deflection boss 4 are integrally formed to facilitate processing.

[0034] Example 2, reference Figures 2 to 8 , what this embodiment discloses is:

[0035] A pushing device with a lithium battery core pushing block comprises a pushing block 1. A driving mechanism for driving the pushing block 1 to slide is arranged on one side of the pushing block 1.

[0036] Among them, the pushing block 1 is provided with two abutting bosses 2 at the working end, and there is a preset distance between the two abutting bosses 2, and the abutting bosses 2 on both sides are used to abut the edge positions on both sides of the acting end of the battery cell 3, so that the acting end of the pushing block 1 is isolated from the middle position of the acting end of the battery cell 3; specifically, abutting bosses 2 are provided on both sides of the pushing block 1, which are used to abut the edge positions on both sides of the battery cell 3, thereby realizing the basic function of pushing the battery cell 3 to slide; the two abutting bosses 2 are provided with a preset distance, and a receiving groove 9 is formed between the two abutting bosses 2 and the side wall of the pushing block 1, so that the pushing block 1 is isolated from the middle position of the battery cell 3, and the bulging part of the battery cell 3 can be accommodated in the receiving groove 9, so that the pushing block 1 will not cause the battery cell 3 to shift during the process of pushing the deformed battery cell 3.

[0037] refer to Figure 4 In the process of the abutting boss 2 pushing the battery cell 3, the battery cell 3 may slip forward / backward, causing the battery cell 3 to deviate; therefore, as a further improvement, the two abutting bosses 2 are each provided with an anti-deflection boss 4, the distance between the two anti-deflection bosses 4 is greater than the width of the battery cell 3, and the two anti-deflection bosses 4 can abut the side edges of the front and rear sides of the battery cell 3, for details, please refer to Figure 5 An anti-deflection boss 4 is provided on the abutting boss 2, which abuts against the front and rear sides of the battery cell 3 respectively, thereby limiting the forward / rearward deviation of the battery cell 3.

[0038] However, reference Figure 6 When the battery cell 3 is in the initial position where it is not pushed, the battery cell 3 itself may have a certain degree of deviation when it is placed. At this time, the front and rear sides of the battery cell 3 cannot be accurately restricted between the two anti-deflection bosses 4; the side where the anti-deflection boss 4 abuts against the battery cell 3 is provided with an inclined guide surface 5, and the inclined guide surface 5 is inclined from the junction of the anti-deflection boss 4 and the abutting boss 2 to the direction away from the side of the battery cell 3; for specific reference Figure 7 When the battery cell 3 is offset to a certain extent, when the push block 1 presses against the battery cell 3, the inclined guide surface 5 presses against the edge of the battery cell 3, and under the action of force, the battery cell 3 can slide along the inclined guide surface 5, so that the end of the battery cell 3 that is affected can be accurately located between the two anti-deflection bosses 4.

[0039] The inclined guide surface 5 has an inclination angle of 30-60°, specifically 60° in this embodiment.

[0040] In addition, a wear-resistant layer is provided on the anti-deflection boss 4 and the abutting boss 2. Specifically, Teflon tape is adhered to the surface of the anti-deflection boss 4 and the abutting boss 2 to form the wear-resistant layer, thereby preventing the anti-deflection boss 4 and the abutting boss 2 from wearing.

[0041] In this embodiment, the pushing block 1, the abutting boss 2 and the anti-deflection boss 4 are integrally formed to facilitate processing.

[0042] refer to Figure 8The driving mechanism includes a rotating screw rod 6 rotatably arranged at the lower side of the pushing block 1, one end of the rotating screw rod 6 is transmission-connected to the rotating driving device for driving the rotating screw rod 6 to rotate, and a transmission seat 7 is transmission-connected on the rotating screw rod 6, and one end of the transmission seat 7 is transmission-connected to the pushing block 1 for driving the pushing block 1 to slide; in the specific implementation, it also includes a workbench, the workbench is provided with a rotating groove, the rotating screw rod 6 can be rotatably arranged in the rotating groove, and a rotating driving device (rotating motor) is arranged on one side of the workbench, the output shaft of the rotating driving device penetrates the rotating groove and is transmission-connected to the rotating screw rod 6, and the rotating screw rod 6 is transmission-connected to the transmission seat 7, so that when the rotating screw rod 6 rotates, the transmission seat 7 can be driven to slide in the rotating groove; transmission is carried out by screw transmission, the structure is simple, and the positioning accuracy is high, the pushing block 1 can be accurately driven to slide to the preset position, and the battery cell 3 can be accurately located at the preset film-sticking position.

[0043] The pusher block 1 is provided with a plurality of connection holes 8 (the connection holes 8 are countersunk holes), and the connection holes 8 are provided for connecting members (bolts) to penetrate therein so as to connect to the transmission seat 7 .

[0044] Finally, it should be noted that the above implementation cases are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the above implementation cases, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above implementation cases, or replace some of the technical features therein with equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the implementation cases of the utility model.

Claims

1. A lithium battery core pusher block, comprising a pusher block (1), characterized in that: The pusher block (1) is provided with two abutting bosses (2) at the active end, with a preset spacing between the two abutting bosses (2), and the abutting bosses (2) on both sides are used to abut against the edge positions on both sides of the active end of the battery cell (3), so that the active end of the pusher block (1) is isolated from the middle position of the active end of the battery cell (3).

2. A lithium battery core pushing block according to claim 1, characterized in that: The two abutting bosses (2) are each provided with an anti-deflection boss (4), the distance between the two anti-deflection bosses (4) is greater than the width of the battery cell (3), and the two anti-deflection bosses (4) can abut against the side edges of the front and rear sides of the battery cell (3).

3. A lithium battery core pushing block according to claim 2, characterized in that: An inclined guide surface (5) is provided on the side where the anti-deflection boss (4) abuts against the battery cell (3), and the inclined guide surface (5) is inclined from the junction of the anti-deflection boss (4) and the abutting boss (2) in a direction away from the side of the battery cell (3).

4. A lithium battery core pushing block according to claim 3, characterized in that: The inclined guide surface (5) has an inclination angle of 30°-60°.

5. A lithium battery core pushing block according to claim 3, characterized in that: A wear-resistant layer is provided on the anti-deflection boss (4) and the abutting boss (2).

6. A lithium battery core pushing block according to claim 3, characterized in that: The pushing block (1), the abutting boss (2) and the anti-deflection boss (4) are integrally formed.

7. A pushing device with a lithium battery pushing block, characterized in that: It comprises a push block (1) as claimed in any one of claims 1 to 6, wherein one side of the push block (1) is provided with a driving mechanism for driving the push block (1) to slide.

8. A pushing device with a lithium battery pushing block according to claim 7, characterized in that: The driving mechanism comprises a rotating screw (6) rotatably arranged at the lower side of the push block (1), one end of the rotating screw (6) being transmission-connected to a rotating driving device for driving the rotating screw (6) to rotate, a transmission seat (7) being transmission-connected to the rotating screw (6), one end of the transmission seat (7) being transmission-connected to the push block (1) for driving the push block (1) to slide.

9. A pushing device with a lithium battery pushing block according to claim 8, characterized in that: The pusher block (1) is provided with a plurality of connection holes (8), and the connection holes (8) are provided for connecting parts to pass through so as to connect to the transmission seat (7).

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