CN220604756U

CN220604756U - Battery baking and clamping device

Info

Publication number: CN220604756U
Application number: CN202322304758.1U
Authority: CN
Inventors: 郭鑫; 许雄
Original assignee: Jiangsu Zenergy Battery Technologies Co Ltd
Current assignee: Jiangsu Zenio New Energy Battery Technologies Co Ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-15
Anticipated expiration: 2033-08-25

Abstract

The utility model relates to a battery baking and clamping device, which comprises a frame unit, a fixing frame and a clamping device, wherein the frame unit comprises a fixing frame; the clamping unit is arranged in the fixed frame and comprises a driving component and a plurality of clamping components which are sequentially arranged along a first direction, wherein each clamping component comprises a chassis arranged on the fixed frame and a plurality of movable pieces arranged on the chassis, the movable pieces are arranged on the chassis in a sliding manner, and a space for accommodating a battery to be baked is formed among the movable pieces; and the heating unit comprises at least one heating plate arranged on the fixed frame, the heating plate is arranged on one side of the clamping unit, and the heating plate is arranged along the first direction. The utility model can realize the heating of the battery package, thereby being capable of quickly heating, effectively improving the baking efficiency and the baking effect of the battery core, being convenient for operators to operate, and having wide applicability and meeting the use requirement of the battery with the diameter of 46-70.

Description

Battery baking and clamping device

Technical Field

The utility model relates to the technical field of battery baking, in particular to a battery baking clamping device.

Background

In the process of producing and assembling the lithium ion battery, a series of procedures are carried out from the production of the initial base material to the production of the subsequent battery pack. The production requirements of lithium ion batteries are often very strict, and the production environment, detection process, materials, equipment stability and the like of products need to be strictly controlled. If the moisture content in the battery core does not reach the standard, the capacity of the finished battery can be influenced, so that the capacity deviation is large, the service life of the battery is reduced, the cycle performance is reduced, and the like. Therefore, in the process of manufacturing and assembling lithium ion batteries, baking of the batteries is required. Specifically, the baking of the battery is to bake out moisture in the battery pole piece by continuously heating the battery under vacuum. At present, most of battery baking fixtures in the market are designed to heat at the bottom of the fixture, so that the end face of a battery is contacted with a bottom heating part, and the inside winding core of the battery is baked in a heat conduction mode.

However, the existing baking mode for heating the bottom has low heating efficiency in actual work, long heat conduction time, and poor baking consistency of the electrode coil in the battery, so that the water content of the battery core after baking does not reach the standard, and the consistency of the water content is poor.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art, and provide the battery baking and clamping device which can heat the battery package compared with the original bottom heating mode, so that the temperature can be quickly increased, the baking efficiency of the battery core is effectively improved, the baking effect is improved, and meanwhile, the operation of operators is convenient.

In order to solve the technical problems, the utility model provides a battery baking and clamping device, which comprises,

a frame unit including a fixing frame;

the clamping unit is arranged in the fixed frame and comprises a driving component and a plurality of clamping components which are sequentially arranged along a first direction, wherein each clamping component comprises a chassis arranged on the fixed frame and a plurality of movable pieces arranged on the chassis, the movable pieces are arranged on the chassis in a sliding manner, and a space for accommodating a battery to be baked is formed among the movable pieces;

and the heating unit comprises at least one heating plate arranged on the fixed frame, the heating plate is arranged on one side of the clamping unit, and the heating plate is arranged along the first direction.

In one embodiment of the present utility model, the driving assembly includes a chain, a driving member, and a plurality of driven members, wherein the driving member is connected to the driving member, the driving member is connected to the driven members through the chain, and the driving member and the driven members are sequentially arranged along the first direction.

In one embodiment of the utility model, the driving member comprises a rocker.

In one embodiment of the utility model, the driving member comprises a driving gear, the driven member comprises a driven gear, the movable member is provided with a connecting column, the driven gear is provided with a plurality of guide holes for accommodating the connecting column, and the movable member is assembled to the driven gear through the connecting column.

In one embodiment of the utility model, a plurality of guide grooves matched with the connecting columns are arranged on the chassis, the guide grooves extend towards the center of the chassis, and the connecting columns penetrate through the guide grooves and are connected with the guide holes.

In one embodiment of the utility model, a limiting block is further arranged on the connecting column, and the limiting block is embedded in the guide groove.

In one embodiment of the utility model, the heating unit further comprises at least one guide post, the extending direction of the guide post is perpendicular to the first direction, a through hole is formed in the heating plate, and the guide post is connected with the heating plate through the through hole.

In one embodiment of the utility model, the heating unit further comprises at least one heating plate fixture provided at the guide post.

In one embodiment of the utility model, the heating plate surface is further provided with a heating plate.

In one embodiment of the utility model, a plurality of said moving members are arranged concentrically.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

the battery baking and clamping device is provided with the clamping unit and the heating unit, the battery to be baked is clamped through the clamping unit, so that the position of the battery to be baked is fixed, and the clamping unit is heated through the heating plate of the heating unit, so that the side surface of the battery to be baked is wrapped and heated; the utility model has simple structure and is convenient to use and maintain.

The utility model can effectively improve the baking consistency of the electrode coil in the battery, so that the baking consistency reaches a better level, and the water content of the baked battery core reaches the standard.

The utility model can realize side heating of the battery, so that compared with the original bottom heating mode, the battery to be baked can be quickly heated, the baking heating efficiency of the battery cell is effectively improved, the baking effect is ensured, and the yield of the product is effectively improved.

The utility model has wide applicability and higher compatibility, and can meet the use requirement of a plurality of cylindrical batteries with diameters of 46-70.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which

Fig. 1 is a schematic view showing the overall structure of a first view angle according to a preferred embodiment of the present utility model.

Fig. 2 is a partial bottom view of a preferred embodiment of the present utility model.

Fig. 3 is a schematic view showing the overall structure of a second view angle according to the preferred embodiment of the present utility model.

Fig. 4 is a partial schematic view of a clamping assembly according to a preferred embodiment of the present utility model.

Fig. 5 is a schematic bottom view of a clamping assembly according to a preferred embodiment of the present utility model.

FIG. 6 is a schematic view of the chassis and the connecting column according to the preferred embodiment of the present utility model.

Description of the specification reference numerals: 1. a fixed frame; 10. a side plate; 11. a bottom plate; 20. a chassis; 21. a movable member; 22. a connecting column; 23. a guide groove; 24. a limiting block; 3. a heating plate; 31. a guide post; 32. a heating plate fixing member; 33. a heating sheet; 40. a chain; 41. a driving member; 410. a rocker; 42. a follower; 43. and a guide hole.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to fig. 1 to 6, the present utility model discloses a battery baking and clamping device, which comprises a frame unit including a fixing frame 1;

the battery baking and clamping device further comprises at least one clamping unit, and the clamping unit is arranged in the fixed frame 1. Specifically, the clamping units comprise a driving assembly and a plurality of clamping assemblies sequentially arranged along the first direction, namely, each clamping unit comprises a plurality of clamping assemblies sequentially arranged along the first direction. The clamping assembly comprises a chassis 20 arranged on the fixed frame and a plurality of movable pieces 21 arranged on the chassis 20, the movable pieces 21 are slidably arranged on the chassis 20, a space for accommodating batteries to be baked is formed between the movable pieces 21, and each clamping assembly can clamp one battery to be baked. Clamping or unclamping the battery to be baked is achieved by adjusting the positions of the plurality of movable pieces 12;

the battery baking and clamping device further comprises a heating unit, the heating unit comprises at least one heating plate 3 arranged on the fixed frame 1, the heating plate 3 is arranged on one side of the clamping unit, the heating plate 3 is also arranged along the first direction, and the heating plate 3 is tightly attached to the clamping unit, so that conduction heating is realized.

Therefore, the battery baking and clamping device is provided with the clamping unit and the heating unit, the battery to be baked is clamped through the clamping unit, the position of the battery to be baked is fixed, the clamping unit is heated through the heating plate of the heating unit, and therefore the side surface wrapping heating of the battery to be baked is achieved. The battery baking and clamping device disclosed by the utility model is simple in structure, and can effectively improve the baking consistency of the electrode coil in the battery, so that the baking consistency reaches a better level, and the water content of the baked battery core reaches the standard. Compared with the original bottom heating mode, the battery to be baked can be heated up rapidly, the baking heating efficiency of the battery cell is effectively improved, the baking effect is ensured, the yield of products is effectively improved, and meanwhile, the battery baking device is convenient for operators to use and maintain.

Specifically, in order to play a role in protecting the clamping unit from damage caused by collision, a pair of side plates 10 are oppositely arranged on two sides of the fixed frame 1, the frame unit further comprises a bottom plate 11, and the bottom plate 11 is vertically connected with the side plates 10.

And, as a mounting basis of the whole battery baking and clamping device, the fixing frame 1 comprises a plurality of mutually connected fixing strips, and the clamping assembly is mounted on the fixing strips through fasteners. In detail, the fixing strip is provided with a plurality of mounting holes for mounting the chassis 20, and the chassis 20 is mounted to the fixing strip by bolts. So configured, the securing and mounting of a plurality of said clamping assemblies is achieved.

It should be noted that, in order to adapt to different working conditions, batch baking and heating of the battery to be baked are realized. The clamping unit can be arranged in one or a plurality of clamping units. The first direction is the arrangement direction of the batteries to be baked, and when the battery baking and clamping device comprises a plurality of clamping units, a plurality of clamping assemblies are arranged in an array.

As a preferred embodiment, the heating plates 3 are disposed on two sides of each clamping unit, and the heating plates 3 are symmetrically disposed on two sides of the clamping unit. The heating plates 3 are attached to two sides of the clamping unit, so that the clamping unit is heated through heat conduction, and the side edges of the battery to be baked are heated through conduction.

Further, the driving assembly includes a chain 40, a driving member 41, a driving member, and a plurality of driven members 42, where the driving member is connected to the driving member 41 and drives the driving member 41 to operate. The driving member 41 is connected to the driven member 42 through the chain 40, so that the driven member 42 can move under the driving of the driving member 41. The driving member 41 and the plurality of driven members 42 are disposed in this order along the first direction. Wherein the clamping assemblies and the followers 42 are arranged in a one-to-one correspondence, and each follower 42 is matched with the corresponding clamping assembly.

More specifically, the driving member includes, but is not limited to, a rocker 410, and may be other driving mechanisms such as a driving motor.

In one embodiment, the driving member uses a rocker 410, and the rotation axis of the rocker 410 needs to be coincident with the rotation axis of the driving member 41. Thus, the operator can drive the driving member 41 to move by rotating the rocker 410, so as to drive the plurality of driven members 42 to synchronously move. In this way, the clamping assemblies positioned on the same clamping unit can synchronously move, and the battery to be baked is clamped or loosened.

In another embodiment, the driving member employs a driving motor. Specifically, the output end of the driving motor is connected to the driving member 41, so as to drive the driving member 41 to operate, and further drive the plurality of driven members 42 to perform synchronous movement.

As a preferred embodiment, the driving member 41 adopts a driving gear, the driven member 42 adopts a driven gear, and the chain 40 is sequentially wound on the driving gear and the driven gears to form a complete transmission loop. In order to simultaneously drive the clamping and releasing of a plurality of clamping assemblies in one clamping unit, the driven gears are in one-to-one correspondence with the arrangement of the clamping assemblies. In this way, each clamping assembly cooperates with the corresponding driven gear, so that by driving the operation of the driving gear, the synchronous operation of all the clamping assemblies located in the same clamping unit is driven.

In detail, the bottom of each movable member 21 is provided with a connecting post 22, and the driven gear is provided with a plurality of guide holes 43 for accommodating the connecting posts 22. Specifically, the guide holes 43 are radially arranged along the axis of the driven gear, and the plurality of guide holes 43 have the same arc, and the connecting post 22 is movable along the inside of the guide holes 43. The movable member 21 is fitted to the driven gear through the connection post 22.

Further, the chassis 20 is provided with a plurality of guide grooves 23 which are matched with the connecting posts 22, and the plurality of guide grooves 23 extend toward the center of the chassis 20. In one of the clamping assemblies, the movable member 21, the chassis 20 and the driven gear are disposed in this order in the height direction, and the axial length of the connecting post 22 is not less than the sum of the thicknesses of the chassis 20 and the driven gear, so that the connecting post 22 can be connected to the guide hole 43 through the guide groove 23.

In this way, when the driven gear rotates, the connecting post 22 can be driven to move in the guide groove 23, and when the connecting post 22 moves in the guide groove 23 in a direction away from the center of the chassis 20, the movable piece 21 synchronously moves under the driving of the connecting post 22, so that the battery clamped in the movable piece can be released. When the connecting column 22 moves in the direction approaching the center of the chassis 20 in the guide groove 23, the movable piece 21 is driven by the connecting column to clamp the battery to be baked placed therein.

In detail, the connection post 22 is further provided with a limiting block 24, and the limiting block 24 is embedded in the guide groove 23. So that the connecting post 22 can always stably slide in the guide groove 23, the connecting post 22 is prevented from falling out of the guide groove 23 and the guide hole 43 after the movable piece 21 is stressed, and the structural stability of the clamping assembly is ensured.

In particular, the heating unit further includes at least one guide post 31, both ends of the guide post 31 are mounted on the side plate 10, and an extending direction of the guide post 31 is perpendicular to the first direction. The heating plate 3 is provided with a through hole capable of accommodating the guide post 31, the guide post 31 is connected with the heating plate 3 through the through hole, so that the heating plate 3 can slide along the guide post 31, and the position of the heating plate 3 is adjusted conveniently. When baking and heating are required, the heating plate 3 is moved to be closely attached to the clamping unit. When the baking is completed and the battery needs to be removed, the heating plate 3 is removed, and a position is reserved for opening the clamping assembly, so that the battery can be conveniently removed.

As a preferred embodiment, the heating unit further comprises at least one heating plate fixture 32 provided at the guide post 31. When the heating plate 3 needs to be fixed, the heating plate fixing piece 32 is abutted against the heating plate 3, and the heating plate fixing piece 32 is locked, so that the heating plate 3 can be fixed.

Specifically, in order to further improve the heating efficiency of the battery baking and clamping device, the surface of the heating plate 3 is further provided with a heating plate 33. The heating plate 33 is arranged between the clamping unit and the heating plate 3, and when the heating plate 3 moves to be tightly attached to the clamping unit, the heating plate 33 can be attached to the clamping unit, so that the temperature of the clamping unit can be quickly increased, and the heating efficiency is effectively improved.

As a preferred embodiment, a plurality of the movable members 21 are concentrically arranged so as to form a cylindrical space for accommodating a battery to be baked. Taking a cylindrical battery as an example, in the manner of matching the driving gear, the driven gear and the chain 40, when the driving gear is rotated, the driven gear is driven to rotate, and then a plurality of movable pieces 21 are driven to synchronously move, so that the diameter of a cylindrical space surrounded by the movable pieces 21 is adjusted.

On the other hand, the baking holding apparatus of the present utility model is applicable not only to cylindrical batteries but also to other types of batteries, such as blade batteries. The movable piece 21 is designed and adjusted, so that the space surrounded by the movable pieces 21 is similar to the shape of the blade battery to be baked, stable clamping of the blade battery is realized, and the side surface of the blade battery to be baked can be wrapped and heated. Therefore, the baking and clamping device can also realize the baking and heating of the blade battery, and can effectively improve the baking consistency of the pole coil in the blade battery, so that the baking consistency of the blade battery reaches a better level, and the water content of the battery core of the blade battery after baking is ensured to reach the standard.

As a preferred embodiment, the inner wall of the movable member 21 is further provided with a heat conducting pad, and the heat conducting pad is disposed on the inner wall of the movable member 21 by a bonding manner. The heat conducting pad has good compressibility and flexibility, so that the battery to be baked can be prevented from being damaged in the clamping process; and can solve the problem of the gap between the movable members 21 when clamping the large-sized battery cells.

The battery baking and clamping device disclosed by the utility model is wide in applicability and can be suitable for various cylindrical batteries with diameters of 46-70 series.

The working process and principle of the preferred embodiment of the utility model are as follows:

after the electric core is fed, placing the batteries to be baked in the clamping assembly one by one in a manual discharging mode, rotating the rocking rod 410 to enable the movable piece 21 to clamp the batteries to be baked after all the batteries to be baked are placed, moving the heating plate 3 to be tightly attached to the movable piece 21, limiting the heating plate 3 through the heating plate fixing piece 32, enabling the heating plates 3 on two sides of each clamping unit to be attached to the clamping units, locking the heating plate fixing piece 32, and avoiding sliding of the heating plate 3 in the process of moving the battery baking clamping device;

next, the battery baking holding device is placed in a baking oven, thereby performing heating baking. The side face of the battery to be baked is conducted and heated through the heating plate in the baking furnace, and then the purpose of baking the battery core is achieved.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A battery toasts clamping device which characterized in that: comprising the steps of (a) a step of,

a frame unit comprising a fixed frame (1);

the device comprises at least one clamping unit, wherein the clamping unit is arranged in a fixed frame (1), the clamping unit comprises a driving assembly and a plurality of clamping assemblies sequentially arranged along a first direction, the clamping assemblies comprise a chassis (20) arranged on the fixed frame (1) and a plurality of movable pieces (21) arranged on the chassis (20), the movable pieces (21) are arranged on the chassis (20) in a sliding manner, and spaces for accommodating batteries to be baked are formed among the movable pieces (21);

the heating unit comprises at least one heating plate (3) arranged on the fixed frame (1), the heating plate (3) is arranged on one side of the clamping unit, and the heating plate (3) is arranged along the first direction.

2. The battery baking and clamping device according to claim 1, wherein: the driving assembly comprises a chain (40), a driving piece (41), a driving piece and a plurality of driven pieces (42), wherein the driving piece is connected with the driving piece (41), the driving piece (41) is connected with the driven pieces (42) through the chain (40), and the driving piece (41) and the driven pieces (42) are sequentially arranged along the first direction.

3. The battery baking and clamping device according to claim 2, wherein: the driver includes a rocker (410).

4. The battery baking and clamping device according to claim 2, wherein: the driving part (41) comprises a driving gear, the driven part (42) comprises a driven gear, a connecting column (22) is arranged on the movable part (21), a plurality of guide holes (43) for accommodating the connecting column (22) are formed in the driven gear, and the movable part (21) is assembled to the driven gear through the connecting column (22).

5. The battery baking and clamping device according to claim 4, wherein: the chassis (20) is provided with a plurality of guide grooves (23) matched with the connecting columns (22), the guide grooves (23) extend towards the center of the chassis (20), and the connecting columns (22) penetrate through the guide grooves (23) and are connected with the guide holes (43).

6. The battery baking and clamping device according to claim 5, wherein: and a limiting block (24) is further arranged on the connecting column (22), and the limiting block (24) is embedded in the guide groove (23).

7. The battery baking and clamping device according to claim 1, wherein: the heating unit further comprises at least one guide column (31), the extending direction of the guide column (31) is perpendicular to the first direction, a through hole is formed in the heating plate (3), and the guide column (31) is connected with the heating plate (3) through the through hole.

8. The battery baking and clamping device according to claim 7, wherein: the heating unit further comprises at least one heating plate fixture (32) arranged at the guiding stud (31).

9. The battery baking and clamping device according to claim 1, wherein: and a heating plate (33) is further arranged on the surface of the heating plate (3).

10. The battery baking and clamping device according to claim 1, wherein: a plurality of the movable members (21) are concentrically arranged.