Battery jig and lithium battery jig mechanism

Abstract

The utility model relates to the technical field of lithium battery production, in particular to a battery jig and a lithium battery jig mechanism, the battery jig comprises a first clamping seat and a second clamping seat, the second clamping seat can be elastically close to the first clamping seat, the first clamping seat is provided with a movable part, and the movable part is provided with a clamping groove; when the movable part moves towards one side of the first clamping seat, the second clamping seat can be far away from the first clamping seat, and when the movable part moves towards the other side of the first clamping seat, the second clamping seat can be elastically close to the first clamping seat; the opening and closing mechanism is used for driving the movable part to move and comprises a first push rod arranged in the moving direction of the movable part; under the action of the first push rod, the movable part can move in the length direction of the first clamping seat, so that the second clamping seat can be close to or far away from the first clamping seat, the distance between the first clamping seat and the second clamping seat is changed, batteries with different thicknesses can be clamped in a self-adaptive manner, the batteries are prevented from falling off from the clamp, and the battery clamping efficiency is improved. And the clamped battery is relatively good in stability during liquid injection.

Description

Technical Field

[0001] The utility model relates to the field of lithium battery production, in particular to a battery fixture and a lithium battery fixture mechanism. Background Art

[0002] Cell injection refers to the precise injection of electrolyte into the cell during the lithium battery production process through specialized equipment and processes to ensure that the battery can work properly and provide the required energy. Through precise injection control and efficient production processes, the performance of lithium batteries can be ensured and costs can be reduced.

[0003] Among them, the utility model with application number CN202322483931.9 discloses a battery liquid injection device, including a turntable, a rotating drive member, a carrier mechanism, a liquid injection mechanism and a liquid adding mechanism; the output end of the rotating drive member is connected to the turntable; the carrier mechanism is installed on the turntable, and the carrier mechanism is used to place the battery; the liquid injection mechanism is connected to the carrier mechanism, and the liquid injection mechanism includes a liquid injection nozzle, and the battery is provided with a liquid injection port. When the battery is placed on the carrier mechanism, the liquid injection nozzle is docked with the liquid injection port; the liquid adding mechanism is arranged above the liquid injection mechanism, and the liquid adding mechanism is used to add liquid to the liquid injection mechanism. The turntable is driven to rotate by the rotating drive member. When the liquid injection mechanism rotates at high speed, it is affected by centrifugal force, so that the liquid in the liquid injection mechanism is injected into the battery. The battery liquid injection speed is fast, which greatly improves the battery liquid injection speed, improves production capacity, and saves costs.

[0004] During the battery cell injection process, keeping the battery cell in the set positioning state and moving it stably is a key step to ensure that the injection process is completed accurately and quickly. However, the existing battery cell positioning and moving devices have the following problems: poor compatibility. Since the size of the battery cell positioning groove is fixed, it can only position the battery cells of the same model and specification, and cannot position the battery cells of other specifications. Utility Model Content

[0005] The purpose of the utility model is to provide a battery fixture and a lithium battery fixture mechanism to address the deficiencies in the prior art.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] A battery fixture comprises a first clamping seat and a second clamping seat, wherein the second clamping seat can be elastically close to the first clamping seat, and the first clamping seat is provided with a movable part. When the movable part moves toward one side of the first clamping seat, the second clamping seat can be away from the first clamping seat, and when the movable part moves toward the other side of the first clamping seat, the second clamping seat can be elastically close to the first clamping seat.

[0008] Furthermore: an elastic connecting member in contact with the movable part is arranged between the first clamping seat and the second clamping seat, the elastic connecting member is elastically connected to the second clamping seat, the elastic connecting member always keeps in contact with the movable part, and when the movable part moves along the length direction of the first clamping seat, the elastic connecting member will approach or move away from the first clamping seat to drive the second clamping seat to move synchronously.

[0009] Further: the movable part includes a first wedge block that moves along the length direction of the first clamping seat, the elastic connecting part includes a driving plate arranged on the outside of the first clamping seat, and the driving plate will approach the first clamping seat under the elastic action. The elastic connecting part also includes a rolling part installed on the driving plate and rollingly matched with the first wedge block. When the first wedge block moves along the length direction of the first clamping seat, the rolling part will approach or move away from the first clamping seat.

[0010] Furthermore: a first movable rod is installed between the driving plate and the second clamping seat, and the first clamping seat is formed with a first movable hole along its width direction for the first movable rod to move through, and the first movable hole is provided with a first compression spring nested in the first movable rod, and the first compression spring elastically drives the driving plate to approach the first clamping seat.

[0011] Furthermore: the driving plate is also provided with an anti-stuck device, which includes a toggle seat that can move along the length direction of the driving plate, the toggle seat is formed with an active cavity for limiting the movement of the rolling element, and the toggle seat is formed with a second wedge block that cooperates with the rolling element in rolling.

[0012] Further: the movable part includes a second movable hole opened along the length direction of the first clamping seat, the movable hole is installed with a second movable rod, the first wedge block is installed on the second movable rod, and the second movable hole is also provided with a second compression spring nested in the second movable rod, and the second compression spring can drive one end of the second movable rod to move elastically outward.

[0013] Further: the first clamping seat is movably provided with a first clamping block, the second clamping seat is movably provided with a second clamping block, the first clamping seat and the second clamping seat are respectively provided with guide rail structures along the longitudinal direction, the first clamping block and the second clamping block can move longitudinally along the guide rail structure, and the first clamping block and the second clamping block can be elastically lifted up along the guide rail structure respectively.

[0014] A lithium battery fixture mechanism includes a battery fixture and an opening and closing mechanism for driving a movable part to move. The opening and closing mechanism includes a first push rod arranged along the moving direction of the movable part. When the first push rod is extended, it can resist the movable part to move along the length direction of a first clamping seat.

[0015] Further: a first driving seat cooperating with the first push rod is installed at one end of the movable part, a second driving seat is installed at the other end of the movable part, a second push rod is installed at the second driving seat, and the second push rod can resist one end of the movable part of another battery fixture.

[0016] Further: the lithium battery fixture mechanism also includes a support tray for installing the battery fixture, the support tray is provided with a plurality of positioning slots, and the battery fixture is positioned and installed on the support tray through the positioning slots.

[0017] The beneficial effects of the utility model are as follows: the movable part can be moved along the length direction of the first clamping seat under the action of external force, so that the second clamping seat can be close to or away from the first clamping seat, thereby changing the distance between the first clamping seat and the second clamping seat, facilitating adaptive clamping of batteries of different thicknesses, preventing the batteries from falling from the clamp, and providing better stability for the clamped batteries during liquid injection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a lithium battery fixture mechanism.

[0019] Figure 2 This is a schematic diagram of the structure of the battery fixture in the clamping state.

[0020] Figure 3 This is a schematic diagram of the structure of the battery fixture in the open state.

[0021] Figure 4 Schematic diagram of the explosion structure of the battery fixture.

[0022] Figure 5 It is an exploded schematic diagram of the first clamping seat and the elastic connecting member.

[0023] Reference numerals include:

[0024] 1-Battery fixture,

[0025] 11-first clamping seat, 12-second clamping seat, 13-first clamping block, 14-second clamping block,

[0026] 15-guide rail structure, 16-movable groove, 17-longitudinal guide rail, 18-lifting compression spring,

[0027] 2- Elastic connector,

[0028] 21-first movable rod, 22-driving plate, 23-first movable hole, 24-first compression spring,

[0029] 25-rolling groove, 26-rolling element, 27-sliding seat, 28-second wedge block, 29-limiting groove,

[0030] 3-Active parts,

[0031] 31-second movable rod, 32-second movable hole, 33-second compression spring, 34-first wedge block,

[0032] 35-first push rod, 36-first drive seat, 37-second push rod, 38-second drive seat,

[0033] 39-Support tray,

[0034] 391-Card slot. DETAILED DESCRIPTION

[0035] The utility model is described in detail below with reference to the accompanying drawings.

[0036] like Figure 1-5 As shown, a battery fixture includes a first clamping seat 11 and a second clamping seat 12, the second clamping seat 12 can be elastically close to the first clamping seat 11, the first clamping seat 11 is provided with a movable part 3, when the movable part 3 moves toward one side of the first clamping seat 11, the second clamping seat 12 can be away from the first clamping seat 11, when the movable part 3 moves toward the other side of the first clamping seat 11, the second clamping seat 12 can be elastically close to the first clamping seat 11.

[0037] Under the action of external force, the movable part 3 can be moved along the length direction of the first clamping seat 11, so that the second clamping seat 12 can be close to or away from the first clamping seat 11, thereby changing the distance between the first clamping seat 11 and the second clamping seat 12, which is convenient for adaptive clamping of batteries of different thicknesses and prevents the batteries from falling from the clamp. The clamped batteries have better stability during liquid injection.

[0038] Specifically, the first clamping seat 11 is movably provided with a first clamping block 13, and the second clamping seat 12 is movably provided with a second clamping block 14. The first clamping seat 11 and the second clamping seat 12 are respectively provided with guide rail structures 15 along the longitudinal direction, and the first clamping block 13 and the second clamping block 14 can move longitudinally along the guide rail structure 15, and the first clamping block 13 and the second clamping block 14 can be elastically lifted up along the guide rail structure 15 respectively; the first clamping block 13 is movably installed on the first clamping seat 11, and the second clamping block 14 is movably installed on the second clamping seat 12. After the second clamping seat 12 approaches the first clamping seat 11, the battery is contacted and clamped by the first clamping block 13 and the second clamping block 14; after clamping, during injection, in order to maintain the sealing effect between the injection needle and the battery injection port, the first clamping block 13 and the second clamping block 14 initially have an elastic lifting effect, and under the pressing of the injection needle, the first clamping block 13 and the second clamping block 14 will adaptively descend to maintain the sealing effect between the injection needle and the battery injection port, and the quality during injection is better.

[0039] Preferably, the guide rail structure 15 includes a movable groove 16 formed respectively on the first clamping seat 11 and the second clamping seat 12, the movable groove 16 is equipped with a longitudinal guide rail 17, and the movable groove 16 is equipped with a lifting compression spring 18 for elastically lifting the first clamping block 13 and the second clamping block 14, so that the first clamping block 13 and the second clamping block 14 can elastically contact with the injection needle.

[0040] Specifically, an elastic connecting member 2 in contact with the movable member 3 is arranged between the first clamping seat 11 and the second clamping seat 12. The elastic connecting member 2 is elastically connected to the second clamping seat 12, and the elastic connecting member 2 always keeps in contact with the movable member 3. When the movable member 3 moves along the length direction of the first clamping seat 11, the elastic connecting member 2 will approach or move away from the first clamping seat 11 to drive the second clamping seat 12 to move synchronously; since the elastic connecting member 2 is elastically connected to the second clamping seat 12, initially, the second clamping seat 12 is always elastically close to the first clamping seat 11 and is in a closed state; when the movable member 3 moves along the length direction of the first clamping seat 11, the movable member 3 will cooperate with the elastic connecting member 2, and the movable member 3 makes way for a part of the elastic connecting member 2 to approach the first clamping seat 11. Under the elastic action, the elastic connecting member 2 moves toward the direction of the first clamping seat 11, so that the second clamping seat 12 moves away from the first clamping seat 11, forming the posture of an open fixture.

[0041] Specifically, the movable member 3 includes a first wedge block 34 that moves along the length direction of the first clamping seat 11, and the elastic connecting member 2 includes a driving plate 22 arranged on the outside of the first clamping seat 11. The driving plate 22 will approach the first clamping seat 11 under the action of elasticity. The elastic connecting member 2 also includes a rolling member 26 installed on the driving plate 22 and rolling with the first wedge block 34. When the first wedge block 34 moves along the length direction of the first clamping seat 11, the rolling member 26 will approach or move away from the first clamping seat 11; when an external force acts on the first movable member 3, when the first wedge block 34 moves forward, the inclined surface of the first wedge block 34 rolls with the rolling member 26, and the rolling member 26 will approach the first clamping seat 11 under the action of the inclined surface of the first wedge block 34, and at the same time, the driving plate 22 for installing the rolling member 26 will approach the first clamping seat 11. Under the action of elasticity, the elastic connecting member 2 moves toward the direction of the first clamping seat 11, so that the second clamping seat 12 moves away from the first clamping seat 11, forming a posture of an open fixture.

[0042] In one of the embodiments, a first movable rod 21 is installed between the driving plate 22 and the second clamping seat 12, and the first clamping seat 11 is formed with a first movable hole 23 along its width direction for the first movable rod 21 to move through, and the first movable hole 23 is provided with a first compression spring 24 nested in the first movable rod 21, and the first compression spring 24 elastically drives the driving plate 22 to approach the first clamping seat 11; when the first wedge block 34 moves forward under the action of external force, the inclined surface of the first wedge block 34 rolls with the rolling member 26, and the driving plate 22 connected to the first movable rod 21 is elastically acted upon by the first compression spring 24, and the first movable rod 21 moves toward the second clamping seat 12 along the first movable hole 23 of the first clamping seat 11, so that the second clamping seat 12 connected to the first movable rod 21 at one end is moved away from the first clamping seat 11 to achieve opening.

[0043] In one of the embodiments, the movable part 3 includes a second movable hole 32 opened along the length direction of the first clamping seat 11, the movable hole is installed with a second movable rod 31, the first wedge block 34 is installed on the second movable rod 31, and the second movable hole 32 is also provided with a second compression spring 33 nested in the second movable rod 31, and the second compression spring 33 can drive one end of the movable rod to move elastically outward; when external force acts on the second movable rod 31, the second movable rod 31 moves along the second movable hole 32 of the first clamping seat 11, and the first wedge block 34 installed on the second movable rod 31 moves synchronously, and at this time it will roll with the rolling member 26, and the inclined surface formed by the first wedge block 34 can allow the rolling member 26 to continuously approach the first clamping seat 11, thereby realizing the open posture of the fixture. When the external force is cancelled and does not act on the second movable rod 31, the second movable rod 31 will move back along the second movable hole 32 under the elastic action of the second compression spring 33. At this time, the inclined surface formed by the first wedge block 34 rolls with the rolling element 26, and the rolling element 26 moves away from the first clamping seat 11 in the opposite direction. At the same time, the first movable rod 21 moves along the first movable hole 23 of the first clamping seat 11 in the direction away from the second clamping seat 12, so that the second clamping seat 12 connected to the first movable rod 21 at one end is close to the first clamping seat 11, thereby realizing the closed clamping of the fixture.

[0044] Preferably, the elastic force of the second compression spring 33 is greater than the elastic force of the first compression spring 24 , thereby ensuring that when the second movable rod 31 retreats, the driving plate 22 equipped with the rolling element 26 can be driven away from the first clamping seat 11 through the first wedge block 34 .

[0045] Preferably, the first clamping seat 11 is formed with a limiting groove 29 for guiding the first wedge block 34 to limit its movement. The limiting groove 29 can prevent the first wedge block 34 from moving beyond the stroke, so that the first wedge block 34 maintains contact with the rolling element 26, preventing the first wedge block 34 from being unable to rebound.

[0046] Preferably, the rolling element 26 is a rolling bearing movably mounted on the driving plate 22 .

[0047] In one embodiment, the driving plate 22 is formed with a rolling groove 25 for installing a rolling member 26, and the rolling groove 25 is installed with a fixed shaft. The rolling member 26 can be rotatably installed in the rolling groove 25 through the fixed shaft. When the first wedge block 34 moves, the fixed member can roll around the rolling groove 25 and cooperate with the inclined surface of the first wedge block 34; the driving plate 22 is also provided with an anti-stuck device, which includes a toggle seat 27 that can move along the length direction of the driving plate 22, the toggle seat 27 is formed with an active cavity for the limited movement of the rolling member 26, and the toggle seat 27 is formed with a second wedge block 28 that rolls with the rolling member 26. When the clamp is opened, the rolling member 26 is at the bottom of the inclined surface of the first wedge block 34. When the first wedge block 34 retreats and needs to close the fixture, there is a chance that it will get stuck, causing the fixture to be stuck in the open state and cannot be restored; at this time, the movable toggle seat 27 changes its position, driving the rolling member 26 to contact the inclined surface of the first wedge block 34, and at this time, the rolling member 26 can be prevented from getting stuck.

[0048] A lithium battery fixture mechanism includes a battery fixture and an opening and closing mechanism for driving a movable part 3 to move. The opening and closing mechanism includes a first push rod 35 arranged along the moving direction of the movable part 3. When the first push rod 35 is extended, it can resist the movable part 3 and move along the length direction of the first clamping seat 11; when the fixture needs to be opened, the first push rod 35 is extended to make the movable part 3 move forward along the length direction of the first clamping seat 11, driving the fixture to open; conversely, when the first push rod 35 retracts, the fixture is clamped accordingly.

[0049] Specifically, a first driving seat 36 cooperating with the first push rod 35 is installed at one end of the movable part 3, and a second driving seat 38 is installed at the other end of the movable part 3. The second driving seat 38 is installed with a second push rod 37, and the second push rod 37 can resist one end of the movable part 3 of another battery fixture 1; in this embodiment, when the first push rod 35 moves forward, it will drive the second driving seat 38 at the other end of the first movable rod 21 to move to one side, and when the second push rod 37 resists the first movable rod 21 of the adjacent fixture on the side and continues to move forward, the fixtures on the side are forced to open at the same time, so that the two fixtures are opened at the same time; conversely, when the first push rod 35 retracts, the second push rod 37 retracts accordingly, and the two fixtures are closed and clamped at the same time.

[0050] Preferably, the first push rod 35 is driven by a telescopic cylinder to move forward and backward.

[0051] The lithium battery fixture 1 mechanism also includes a support tray 39 for installing the battery fixture 1. The support tray 39 is provided with a plurality of positioning grooves 391. The battery fixture 1 is positioned and installed on the support tray 39 through the positioning grooves 391, which can prevent the battery fixture 1 from shifting on the support tray 39, thereby ensuring the position of the battery fixture 1, and preventing it from shifting when cooperating with the injection needle.

[0052] In summary, it can be seen that the utility model has the above-mentioned excellent characteristics, which can enhance the performance unprecedented in the prior art and become a product with great practical value.

[0053] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A battery fixture, comprising a first clamping seat and a second clamping seat, wherein the second clamping seat can be elastically close to the first clamping seat, characterized in that: The first clamping seat is provided with a movable part. When the movable part moves toward one side of the first clamping seat, the second clamping seat can be away from the first clamping seat. When the movable part moves toward the other side of the first clamping seat, the second clamping seat can elastically approach the first clamping seat.

2. A battery fixture according to claim 1, characterized in that: An elastic connecting member in contact with the movable member is arranged between the first clamping seat and the second clamping seat. The elastic connecting member is elastically connected to the second clamping seat. The elastic connecting member always keeps in contact with the movable member. When the movable member moves along the length direction of the first clamping seat, the elastic connecting member will approach or move away from the first clamping seat to drive the second clamping seat to move synchronously.

3. A battery fixture according to claim 2, characterized in that: The movable part includes a first wedge block that moves along the length direction of the first clamping seat, the elastic connecting part includes a driving plate arranged on the outside of the first clamping seat, and the driving plate will approach the first clamping seat under the elastic action. The elastic connecting part also includes a rolling part installed on the driving plate and rollingly matched with the first wedge block. When the first wedge block moves along the length direction of the first clamping seat, the rolling part will approach or move away from the first clamping seat.

4. A battery fixture according to claim 3, characterized in that: A first movable rod is installed between the driving plate and the second clamping seat. The first clamping seat is formed with a first movable hole along its width direction for the first movable rod to move through. The first movable hole is provided with a first compression spring embedded in the first movable rod. The first compression spring elastically drives the driving plate to approach the first clamping seat.

5. A battery fixture according to claim 3, characterized in that: The driving plate is also provided with an anti-stuck device, which includes a toggle seat that can move along the length direction of the driving plate, the toggle seat is formed with an active cavity for the limiting activity of the rolling element, and the toggle seat is formed with a second wedge block that rolls with the rolling element.

6. A battery fixture according to claim 3, characterized in that: The movable part includes a second movable hole opened along the length direction of the first clamping seat, the movable hole is installed with a second movable rod, the first wedge block is installed on the second movable rod, and the second movable hole is also provided with a second compression spring nested in the second movable rod, and the second compression spring can drive one end of the second movable rod to move elastically outward.

7. A battery fixture according to claim 1, characterized in that: The first clamping seat is movably provided with a first clamping block, and the second clamping seat is movably provided with a second clamping block. The first clamping seat and the second clamping seat are respectively provided with guide rail structures along the longitudinal direction. The first clamping block and the second clamping block can move longitudinally along the guide rail structure, and the first clamping block and the second clamping block can be elastically lifted up along the guide rail structure respectively.

8. A lithium battery fixture mechanism, comprising the battery fixture according to any one of claims 1 to 7, characterized in that: It also includes an opening and closing mechanism for driving the movable part to move. The opening and closing mechanism includes a first push rod arranged along the moving direction of the movable part. When the first push rod is extended, it can push the movable part to move along the length direction of the first clamping seat.

9. A lithium battery fixture mechanism according to claim 8, characterized in that: A first driving seat cooperating with the first push rod is installed at one end of the movable part, a second driving seat is installed at the other end of the movable part, a second push rod is installed at the second driving seat, and the second push rod can resist one end of the movable part of another battery fixture.

10. A lithium battery fixture mechanism according to claim 8, characterized in that: It also includes a support tray for installing a battery fixture. The support tray is provided with a plurality of positioning slots, and the battery fixture is positioned and installed on the support tray through the positioning slots.

Images