Battery liquid injection tool

Abstract

The utility model provides a battery liquid injection tool, and relates to the field of liquid injection tools. The battery liquid injection tool comprises an outer frame body, wherein an accommodating cavity for fixing a battery is formed in the outer frame body; the battery liquid injection tool has an X direction, a Y direction and a Z direction which are intersected pairwise, and the opening direction of the accommodating cavity is arranged along the Z direction; the first cushion block is installed on the side, corresponding to the containing cavity, of the outer frame body in an inserted connection mode, and the inserted connection direction of the first cushion block is arranged in the Z direction; the second cushion block is inserted or fixedly mounted on one side, corresponding to the accommodating cavity, of the outer frame body, the insertion direction of the second cushion block is arranged along the Z direction, and the first cushion block and the second cushion block are oppositely arranged along the Y direction so as to clamp and position the battery. Due to the fact that the inserting direction of the cushion block is consistent with the opening direction of the containing cavity, the process requirement for rapidly replacing the cushion block is met, the situation that the surface of the battery is possibly scratched and damaged due to the fact that bolts are used is avoided through the inserting mode, and safety and reliability of battery liquid injection are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid injection tooling, in particular to a battery liquid injection tooling. Background Art

[0002] In battery production, the liquid injection process refers to the process of injecting liquid electrolyte into the battery from the liquid injection port.

[0003] Currently, liquid injection equipment is commonly used on the production line of square aluminum shell batteries, such as Figure 1 、 Figure 2 As shown, the fixture tooling of the existing liquid injection equipment includes two long side side plates 1a, two short side side plates 2a, two long side pads 3a and two short side pads 4a. The two long side pads 3a are bolted to the corresponding long side side plates 1a, and the two short side pads 4a are bolted to the corresponding short side side plates 2a. A square space is formed by combining the two long side pads 3a and the two short side pads 4a, so as to limit the four sides of the square battery. During tooling change, according to the batteries of different version sizes, the corresponding long side pads and short side pads are replaced. Specifically: it is necessary to first disassemble the entire liquid injection fixture, remove the bolts and then take out the long side pads and short side pads, and then replace them with new long side pads and short side pads, and tighten the bolts to fix the pads in place.

[0004] However, during the tooling change process, the pads can only be disassembled and fixed by screwing the bolts, which cannot meet the process requirements of quickly replacing the long / short side pads. Moreover, if the bolts are not tightened in place, the ends of the bolts will protrude from the surface of the pads, which may cause scratches and damage to the battery surface, resulting in poor safety and reliability. Content of the Utility Model

[0005] In order to solve the above problems, the purpose of the utility model is to provide a battery liquid injection tooling to solve the problems that the process requirements of quickly replacing the long / short side pads cannot be met by using bolts, and if the bolts are not tightened in place, the ends of the bolts will protrude from the surface of the pads, which may cause scratches and damage to the battery surface, resulting in poor safety and reliability.

[0006] The technical solution of the battery liquid injection tooling of the utility model is as follows:

[0007] The battery liquid injection tooling includes: an outer frame body, and an accommodation cavity for fixing the battery is provided inside the outer frame body; the battery liquid injection tooling has X-direction, Y-direction and Z-direction that intersect pairwise, and the opening direction of the accommodation cavity is arranged along the Z-direction;

[0008] A first pad, the first pad is inserted and installed on one side of the outer frame body corresponding to the accommodation cavity, and the insertion direction of the first pad is arranged along the Z-direction;

[0009] The second pad is plugged or fixedly installed on a side of the outer frame corresponding to the accommodating cavity, the plugging direction of the second pad is arranged along the Z direction, and the first pad and the second pad are arranged opposite to each other in the Y direction to clamp and position the battery.

[0010] Furthermore, the side surface of the first cushion block corresponding to the accommodating cavity and the side surface of the second cushion block corresponding to the accommodating cavity are both planes.

[0011] Furthermore, the battery filling tool further includes: a third cushion block, the third cushion block is plugged or fixedly installed on one side of the corresponding accommodating cavity of the outer frame, and the plugging direction of the third cushion block is arranged along the Z direction;

[0012] A fourth pad, the fourth pad is plugged or fixedly installed on a side of the outer frame corresponding to the accommodating cavity, the plugging direction of the fourth pad is arranged along the Z direction, and the third pad is arranged opposite to the fourth pad in the X direction to clamp and position the battery;

[0013] The side surface of the third cushion block corresponding to the accommodating cavity and the side surface of the fourth cushion block corresponding to the accommodating cavity are both planes.

[0014] Furthermore, the outer frame includes a first long side plate and a second long side plate which are arranged opposite to each other in the Y direction, the first long side plate and the second long side plate are both arranged to extend along the X direction, the first cushion block is plugged and installed on the first long side plate, and the second cushion block is plugged or fixedly installed on the second long side plate;

[0015] The first long side plate is provided with a long side slot on the side corresponding to the accommodating cavity, and the long side slot is arranged to penetrate along the Z direction. The first cushion block is provided with a long side joint, and the long side joint is plugged and matched with the long side slot.

[0016] Furthermore, the long side slot is a T-shaped slot, the slot opening of the long side slot is arranged on the side of the first long side plate corresponding to the accommodating cavity, the slot bottom width of the long side slot is greater than the slot opening width of the long side slot, and the long side joint is a T-shaped joint.

[0017] Furthermore, the outer frame also includes a first short side plate and a second short side plate arranged opposite to each other in the X direction, the first short side plate and the second short side plate are both extended along the Y direction, the third pad is plugged into or fixedly installed on the first short side plate, and the fourth pad is plugged into or fixedly installed on the second short side plate.

[0018] Further, the first short side plate is detachably arranged between the first long side plate and the second long side plate, and the second short side plate is detachably arranged between the first long side plate and the second long side plate. The first long side plate, the second long side plate, the first short side plate and the second short side plate enclose the accommodation cavity.

[0019] Further, short side card slots are respectively arranged on the side surfaces of the first short side plate corresponding to the accommodation cavity and the second short side plate corresponding to the accommodation cavity. The short side card slots penetrate along the Z direction. The third cushion block and the fourth cushion block are respectively provided with short side joints, and the short side joints are in plug-in fit with the short side card slots.

[0020] Further, the short side card slot is a T-shaped slot. The slot opening of the short side card slot is arranged on the side surface of the first short side plate corresponding to the accommodation cavity. The width of the slot bottom of the short side card slot is greater than the width of the slot opening of the short side card slot, and the short side joint is a T-shaped joint.

[0021] Further, both the third cushion block and the fourth cushion block are arranged between the first long side plate and the second long side plate. The third cushion block is relatively and spaced apart from the side edge of the first cushion block facing away from the fourth cushion block and the side edge of the second cushion block facing away from the fourth cushion block respectively. The fourth cushion block is relatively and spaced apart from the other side edge of the first cushion block facing away from the third cushion block and the other side edge of the second cushion block facing away from the third cushion block respectively.

[0022] Beneficial effects: The battery liquid injection tooling adopts the design form of an outer frame body, a first cushion block and a second cushion block. An accommodation cavity is provided inside the outer frame body, and the opening direction of the accommodation cavity is arranged along the Z direction. The battery can be placed in the accommodation cavity of the outer frame body along the Z direction. Moreover, the first cushion block is inserted and installed on one side of the outer frame body corresponding to the accommodation cavity, and the second cushion block is inserted or fixedly installed on one side of the outer frame body corresponding to the accommodation cavity. The first cushion block and the second cushion block are arranged opposite to each other in the Y direction. The two cushion blocks can play a role in clamping and positioning the battery in the Y direction, which is convenient for implementing the liquid injection process on the battery in the tooling.

[0023] Since the first cushion block is inserted and assembled along the Z direction and the second cushion block is inserted and assembled or fixed along the Z direction, during the assembly operation, the first cushion block can be inserted into one side of the outer frame body corresponding to the accommodation cavity along the opening direction of the accommodation cavity, and the second cushion block can be inserted into one side of the outer frame body corresponding to the accommodation cavity along the opening direction of the accommodation cavity; or, only the first cushion block is inserted and installed, and the second cushion block is fixedly installed on one side of the outer frame body corresponding to the accommodation cavity. The insertion direction of the cushion block is consistent with the opening direction of the accommodation cavity, which meets the process requirements of quickly replacing the cushion block. The insertion method avoids the situation that the battery surface may be scratched and damaged by using bolts, and improves the safety and reliability of battery liquid injection. Description of the Drawings

[0024] Figure 1 A three-dimensional schematic diagram of the fixture tooling of the existing liquid injection equipment;

[0025] Figure 2 is Figure 1 A top view schematic diagram of the fixture tooling of the existing liquid injection equipment in

[0026] Figure 3 A three-dimensional schematic diagram of the battery liquid injection tooling in a specific embodiment of the battery liquid injection tooling of the present invention;

[0027] Figure 4 is Figure 3 A top view schematic diagram of the battery liquid injection tooling in

[0028] Figure 5 An exploded schematic diagram of the battery liquid injection tooling in a specific embodiment of the battery liquid injection tooling of the present invention.

[0029] Figure 1 , Figure 2 In

[0030] Figures 3 to 5 In Specific Embodiments

[0031] The following combines the accompanying drawings and embodiments to further describe in detail the specific embodiments of the present invention. The following embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0032] In a specific embodiment of the battery liquid injection tooling of the present invention, as Figures 3 to 5 shown, the battery liquid injection tooling includes: an outer frame body 1, and an inner part of the outer frame body 1 has a receiving cavity 10 for fixing the battery 6; the battery liquid injection tooling has X, Y, and Z directions that intersect each other in pairs, and the opening direction of the receiving cavity 10 is arranged along the Z direction; a first cushion block 2, the first cushion block 2 is inserted and installed on one side of the outer frame body 1 corresponding to the receiving cavity 10, and the insertion direction of the first cushion block 2 is arranged along the Z direction; a second cushion block 3, the second cushion block 3 is inserted or fixedly installed on one side of the outer frame body 1 corresponding to the receiving cavity 10, and the insertion direction of the second cushion block 3 is arranged along the Z direction, and the first cushion block 2 and the second cushion block 3 are arranged opposite to each other in the Y direction to clamp and position the battery 6.

[0033] This battery liquid injection tooling adopts the design form of an outer frame body 1, a first cushion block 2, and a second cushion block 3. The interior of the outer frame body 1 has a receiving cavity 10, and the opening direction of the receiving cavity 10 is set along the Z direction. The battery 6 can be placed in the receiving cavity 10 of the outer frame body 1 along the Z direction. Moreover, the first cushion block 2 is inserted and installed on one side of the outer frame body 1 corresponding to the receiving cavity 10, and the second cushion block 3 is inserted or fixedly installed on one side of the outer frame body 1 corresponding to the receiving cavity 10. The first cushion block 2 and the second cushion block 3 are arranged opposite to each other in the Y direction. The two cushion blocks can play a role in clamping and positioning the battery 6 in the Y direction, facilitating the liquid injection process for the battery 6 in the tooling.

[0034] Since the first cushion block 2 is inserted and assembled along the Z direction, and the second cushion block 3 is inserted and assembled or fixed along the Z direction, during the assembly operation, the first cushion block 2 can be inserted into one side of the outer frame body 1 corresponding to the receiving cavity 10 along the opening direction of the receiving cavity 10, and the second cushion block 3 can be inserted into one side of the outer frame body 1 corresponding to the receiving cavity 10 along the opening direction of the receiving cavity 10; or, only the first cushion block 2 is inserted and installed, and the second cushion block 3 is fixedly installed on one side of the outer frame body 1 corresponding to the receiving cavity 10. The insertion direction of the cushion block is consistent with the opening direction of the receiving cavity 10, meeting the process requirements for quickly replacing the cushion block. The insertion method avoids the situation where the battery surface may be scratched and damaged by using bolts, improving the safety and reliability of battery liquid injection.

[0035] In this embodiment, the side surfaces of the first cushion block 2 corresponding to the receiving cavity 10 and the second cushion block 3 corresponding to the receiving cavity 10 are both flat surfaces, where a flat surface means a surface that is flat and has no openings, no concavities or convexities. By using the side surfaces of the first cushion block 2 and the second cushion block 3 corresponding to the receiving cavity 10, they can be fully attached and clamped to the surface of the battery 6, ensuring that both sides of the battery 6 receive uniform clamping force in the Y direction and preventing the battery 6 from being damaged due to excessive local extrusion force.

[0036] As a further preferred solution, the battery liquid injection tooling further includes: a third cushion block 4, which is inserted or fixedly installed on one side of the outer frame body 1 corresponding to the receiving cavity 10, and the insertion direction of the third cushion block 4 is arranged along the Z direction; a fourth cushion block 5, which is inserted or fixedly installed on one side of the outer frame body 1 corresponding to the receiving cavity 10, and the insertion direction of the fourth cushion block 5 is arranged along the Z direction. The third cushion block 4 and the fourth cushion block 5 are arranged opposite to each other in the X direction to clamp and position the battery 6; the side surfaces of the third cushion block 4 corresponding to the receiving cavity 10 and the fourth cushion block 5 corresponding to the receiving cavity 10 are both flat surfaces.

[0037] In this embodiment, the first cushion block 2, the third cushion block 4, and the fourth cushion block 5 are all inserted and installed on one side of the outer frame body 1 corresponding to the receiving cavity 10, while the second cushion block 3 is fixedly installed on one side of the outer frame body 1 corresponding to the receiving cavity 10. The purpose of changing the type of the liquid injection tooling can be achieved by inserting and assembling the first cushion block 2, the third cushion block 4, and the fourth cushion block 5.

[0038] In order to meet different usage requirements, in other embodiments, only the first cushion block is inserted and installed on one side of the outer frame body corresponding to the accommodating cavity, while the second cushion block, the third cushion block, and the fourth cushion block are all fixedly installed on one side of the outer frame body corresponding to the accommodating cavity, and the first cushion block and the second cushion block are opposite to each other in the Y direction, and the third cushion block and the fourth cushion block are opposite to each other in the X direction. Similarly, the purpose of quickly changing the tooling and clamping and positioning the battery can be achieved.

[0039] Alternatively, only the first cushion block and the third cushion block are inserted and installed on one side of the outer frame body corresponding to the accommodating cavity, while the second cushion block and the fourth cushion block are fixedly installed on one side of the outer frame body corresponding to the accommodating cavity, and the first cushion block and the second cushion block are opposite to each other in the Y direction, and the third cushion block and the fourth cushion block are opposite to each other in the X direction. Or, only the first cushion block and the fourth cushion block are inserted and installed on one side of the outer frame body corresponding to the accommodating cavity, while the second cushion block and the third cushion block are fixedly installed on one side of the outer frame body corresponding to the accommodating cavity, and the first cushion block and the second cushion block are opposite to each other in the Y direction, and the third cushion block and the fourth cushion block are opposite to each other in the X direction.

[0040] As a further preferred solution, the outer frame body 1 includes a first long side plate 11 and a second long side plate 12 that are opposite to each other in the Y direction. The first long side plate 11 and the second long side plate 12 are both arranged along the X direction. The first cushion block 2 is inserted and installed on the first long side plate 11, and the second cushion block 3 is inserted or fixedly installed on the second long side plate 12; a long side card slot 101 is provided on the side surface of the first long side plate 11 corresponding to the accommodating cavity 10, and the long side card slot 101 runs through in the Z direction. The first cushion block 2 is provided with a long side joint 20, and the long side joint 20 is inserted and matched with the long side card slot 101.

[0041] Specifically, the long side card slot 101 is a T-shaped slot. The slot opening of the long side card slot 101 is provided on the side surface of the first long side plate 11 corresponding to the accommodating cavity 10, and the width of the slot bottom of the long side card slot 101 is greater than the width of the slot opening of the long side card slot 101. The long side joint 20 is a T-shaped joint. The use of the long side card slot 101 and the long side joint 20 can meet the insertion and assembly requirements of the first cushion block 2 and the first long side plate 11, and the T-shaped slot and the T-shaped joint have an anti-detachment effect, ensuring the reliability after insertion and installation.

[0042] In this embodiment, the outer frame body 1 further includes a first short side plate 13 and a second short side plate 14 that are opposite to each other in the X direction. The first short side plate 13 and the second short side plate 14 are both arranged along the Y direction. The third cushion block 4 is inserted and installed on the first short side plate 13, and the fourth cushion block 5 is inserted and installed on the second short side plate 14. Moreover, the first short side plate 13 can be detachably arranged between the first long side plate 11 and the second long side plate 12, and the second short side plate 14 can be detachably arranged between the first long side plate 11 and the second long side plate 12. The first long side plate 11, the second long side plate 12, the first short side plate 13, and the second short side plate 14 enclose the accommodating cavity 10.

[0043] In other embodiments, the third cushion block is inserted and installed on the first short side plate, and the fourth cushion block is fixedly installed on the second short side plate; alternatively, the third cushion block is fixedly installed on the first short side plate, and the fourth cushion block is inserted and installed on the second short side plate; or, the third cushion block is fixedly installed on the first short side plate, and the fourth cushion block is fixedly installed on the second short side plate.

[0044] Wherein, short side card slots 102 are respectively arranged on the side surfaces of the first short side plate 13 corresponding to the accommodating cavity 10 and the second short side plate 14 corresponding to the accommodating cavity 10. The short side card slots 102 penetrate along the Z direction. The third cushion block 4 and the fourth cushion block 5 are respectively provided with short side connectors 40, and the short side connectors 40 are in plug-in fit with the short side card slots 102. Specifically, the short side card slot 102 is a T-shaped slot. The slot opening of the short side card slot 102 is arranged on the side surface of the first short side plate 13 corresponding to the accommodating cavity 10. The width of the slot bottom of the short side card slot 102 is greater than the width of the slot opening of the short side card slot 102, and the short side connector 40 is a T-shaped connector. The T-shaped design of the short side card slot 102 and the short side connector 40 has an anti-detachment effect, ensuring the reliability after plug-in installation.

[0045] In addition, both the third cushion block 4 and the fourth cushion block 5 are arranged between the first long side plate 11 and the second long side plate 12. The third cushion block 4 is relatively spaced apart from the side edge of the first cushion block 2 facing away from the fourth cushion block 5 and the side edge of the second cushion block 3 facing away from the fourth cushion block 5 respectively. The fourth cushion block 5 is relatively spaced apart from the other side edge of the first cushion block 2 facing away from the third cushion block 4 and the other side edge of the second cushion block 3 facing away from the third cushion block 4 respectively.

[0046] Taking the third cushion block 4 as an example, the third cushion block 4 is located between the first long side plate 11 and the second long side plate 12 and has a gap with the edges of the first cushion block 2 and the second cushion block 3. The arrangement form of the fourth cushion block 5 is the same as that of the third cushion block 4. When clamping and positioning the battery 6, it can be avoided that the third cushion block 4 and the fourth cushion block 5 are in contact with the first cushion block 2 and the second cushion block 3 in the X direction, which affects the X-direction clamping effect on the battery 6. The X-direction dimensions of the first cushion block 2 and the second cushion block 3 can be designed to be smaller than the X-direction dimension of the battery 6. While the first cushion block 2 and the second cushion block 3 clamp the battery 6 in the Y direction, it is ensured that the third cushion block 4 and the fourth cushion block 5 can effectively clamp the battery 6 in the X direction.

[0047] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and substitutions can still be made, and these improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A battery filling tool, characterized in that it includes: An outer frame (1), wherein the outer frame (1) has a receiving cavity (10) for fixing a battery (6); the battery filling tool has an X direction, a Y direction and a Z direction intersecting in pairs, and the opening direction of the receiving cavity (10) is arranged along the Z direction; A first cushion block (2), the first cushion block (2) being plugged and installed on a side of the outer frame (1) corresponding to the accommodating cavity (10), and the plugging direction of the first cushion block (2) being arranged along the Z direction; A second cushion block (3), the second cushion block (3) is plugged into or fixedly mounted on a side of the outer frame (1) corresponding to the accommodating cavity (10), the plugging direction of the second cushion block (3) is arranged along the Z direction, and the first cushion block (2) and the second cushion block (3) are arranged opposite to each other in the Y direction, so as to clamp and position the battery (6).

2. The battery filling tool according to claim 1, characterized in that: The side surface of the first cushion block (2) corresponding to the accommodating cavity (10) and the side surface of the second cushion block (3) corresponding to the accommodating cavity (10) are both planes.

3. The battery filling tool according to claim 1, characterized in that: The battery filling tool also includes: A third cushion block (4), the third cushion block (4) being plugged into or fixedly mounted on a side of the outer frame (1) corresponding to the accommodating cavity (10), the plugging direction of the third cushion block (4) being arranged along the Z direction; a fourth cushion block (5), the fourth cushion block (5) being plugged into or fixedly mounted on a side of the outer frame (1) corresponding to the accommodating cavity (10), the plugging direction of the fourth cushion block (5) being arranged along the Z direction, the third cushion block (4) and the fourth cushion block (5) being arranged opposite to each other in the X direction, so as to clamp and position the battery (6); The side surface of the third cushion block (4) corresponding to the accommodating cavity (10) and the side surface of the fourth cushion block (5) corresponding to the accommodating cavity (10) are both planes.

4. The battery filling tool according to claim 3, characterized in that: The outer frame (1) comprises a first long side plate (11) and a second long side plate (12) which are arranged opposite to each other in the Y direction, the first long side plate (11) and the second long side plate (12) are both arranged to extend along the X direction, the first cushion block (2) is plugged and installed on the first long side plate (11), and the second cushion block (3) is plugged or fixedly installed on the second long side plate (12); The first long side plate (11) is provided with a long side slot (101) on a side surface corresponding to the accommodating cavity (10), and the long side slot (101) is arranged to penetrate along the Z direction. The first cushion block (2) is provided with a long side joint (20), and the long side joint (20) is plugged into and matched with the long side slot (101).

5. The battery filling tool according to claim 4, characterized in that: The long side card slot (101) is a T-shaped slot, the slot opening of the long side card slot (101) is arranged on the side of the first long side plate (11) corresponding to the accommodating cavity (10), the slot bottom width of the long side card slot (101) is greater than the slot opening width of the long side card slot (101), and the long side joint (20) is a T-shaped joint.

6. The battery filling tool according to claim 4, characterized in that: The outer frame (1) further comprises a first short side plate (13) and a second short side plate (14) which are arranged opposite to each other in the X direction, the first short side plate (13) and the second short side plate (14) are both arranged to extend along the Y direction, the third cushion block (4) is plugged into or fixedly mounted on the first short side plate (13), and the fourth cushion block (5) is plugged into or fixedly mounted on the second short side plate (14).

7. The battery filling tool according to claim 6, characterized in that: The first short side plate (13) can be detachably arranged between the first long side plate (11) and the second long side plate (12); the second short side plate (14) can be detachably arranged between the first long side plate (11) and the second long side plate (12); the first long side plate (11), the second long side plate (12), the first short side plate (13) and the second short side plate (14) enclose the accommodating cavity (10).

8. The battery filling tool according to claim 6, characterized in that: The first short side plate (13) and the second short side plate (14) are respectively provided with short side slots (102) on the side corresponding to the accommodating cavity (10); the short side slots (102) are arranged to pass through along the Z direction; the third cushion block (4) and the fourth cushion block (5) are respectively provided with short side joints (40); the short side joints (40) are plugged into and matched with the short side slots (102).

9. The battery filling tool according to claim 8, characterized in that: The short side slot (102) is a T-shaped slot, the slot opening of the short side slot (102) is arranged on the side of the first short side plate (13) corresponding to the accommodating cavity (10), the slot bottom width of the short side slot (102) is greater than the slot opening width of the short side slot (102), and the short side joint (40) is a T-shaped joint.

10. The battery filling tool according to claim 4, characterized in that: The third pad (4) and the fourth pad (5) are both arranged between the first long side plate (11) and the second long side plate (12); the third pad (4) is arranged spaced relative to one side edge of the first pad (2) facing away from the fourth pad (5) and one side edge of the second pad (3) facing away from the fourth pad (5); and the fourth pad (5) is arranged spaced relative to the other side edge of the first pad (2) facing away from the third pad (4) and the other side edge of the second pad (3) facing away from the third pad (4).

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