CN220412036U

CN220412036U - Bare cell clamping mechanism

Info

Publication number: CN220412036U
Application number: CN202320456412.0U
Authority: CN
Inventors: 柳伟
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2024-01-30
Anticipated expiration: 2033-03-10

Abstract

The utility model relates to a bare cell clamping mechanism, comprising: an upper clamping assembly, a lower clamping assembly and a locking assembly; the lower clamping assembly is used for bearing the bare cell; the upper clamping assembly is arranged above the lower clamping assembly and can move up and down, and the upper clamping assembly and the lower clamping assembly cooperate to clamp the bare cell; the locking assembly is arranged on one side of the upper clamping assembly and one side of the lower clamping assembly, and is used for limiting the upper clamping assembly and the lower clamping assembly. The upper clamping assembly and the lower clamping assembly can limit the distance between the assemblies according to the thickness of the bare cell, so that the risk that the bare cell pole piece is misplaced or falls due to unstable clamping in the process of manually carrying the bare cell is reduced.

Description

Bare cell clamping mechanism

Technical Field

The utility model relates to the technical field of lithium battery manufacturing equipment, in particular to a bare cell clamping mechanism.

Background

In the production process of lithium ion batteries, especially in the production process of bare cells, the carrying and processing of the bare cells are finished, the blanking process needs special tools to finish the operation, the bare cells have own alignment degree process requirements, especially the L-series bare cells have the length of 250-650mm, and the body of the L-series bare cells is softer if the L-series bare cells are not subjected to hot pressing treatment.

And in the manual carrying and guiding process, because a special tool has a self-locking function, after the bare cell is placed on the clamping plate, clamping and carrying operation is carried out by means of manual hand force, the size and the force of each hand are different, and the phenomenon that the body of the bare cell deforms or falls off due to unfirm clamping exists in the carrying process. If the deformation is not found in time, the risk of fire caused by short circuit of the battery cell can exist later.

Therefore, how to solve the problem of reducing the risk of dislocation or dropping of the electrode slice of the bare cell caused by unstable clamping in the process of damaging and carrying the bare cell by manual and manual operation is a technical problem to be solved in the current stage of the technicians in the field.

Disclosure of Invention

The utility model provides a bare cell clamping mechanism, which aims to solve the problem that the clamping of a clamping plate mechanism at the present stage is unstable to cause dislocation or falling of a bare cell pole piece.

The utility model provides a bare cell clamping mechanism for realizing the purpose, which comprises:

the lower clamping assembly is used for bearing the bare cell;

the upper clamping assembly is arranged above the lower clamping assembly and can move up and down, and the upper clamping assembly and the lower clamping assembly are cooperated to clamp the bare cell;

the locking assembly is arranged on one side of the upper clamping assembly and one side of the lower clamping assembly, and is used for limiting the upper clamping assembly and the lower clamping assembly.

In some embodiments thereof, the lower clamp assembly comprises:

a lower mounting seat;

and one end of the lower clamping arm is connected with one side surface of the lower mounting seat.

In some embodiments thereof, the upper clamp assembly comprises:

the upper mounting seat is arranged right above the lower mounting seat;

and one end of the upper clamping arm is connected with one side surface of the upper mounting seat and is arranged right above the lower clamping arm.

In some embodiments, the method further comprises:

the two guide posts are arranged vertically along the axis, the bottom end of one guide post is fixed at one end of the lower mounting seat, and the top end of the guide post is connected with one end of the upper mounting seat in a sliding manner; the other bottom end is fixed at the other end of the lower mounting seat, and the top end is connected with the other end of the upper mounting seat in a sliding way;

one end of the adjusting rod is rotationally connected with the lower mounting seat, and the middle part of the adjusting rod is provided with a guide groove;

the limiting rod is slidably arranged in the guide groove, and one end of the limiting rod is fixedly connected with the upper mounting seat;

the handle is fixed on the adjusting rod and can drive the adjusting rod to rotate so that the limiting rod slides along the guide groove and the upper mounting seat moves up and down.

In some embodiments, the locking assembly comprises:

one side of the positioning block is provided with meshing teeth and is arranged on the lower mounting seat;

the clamping plate is provided with a meshing tooth on one side surface, and can be in meshing connection with the positioning block through the meshing tooth, and the upper part of the clamping plate is in rotating connection with the upper mounting seat;

one end of the pressure spring is fixedly connected with the upper mounting seat, and the other end of the pressure spring is fixedly connected with the upper part of the clamping plate so as to drive the lower part of the clamping plate to move towards the positioning block.

In some embodiments, the upper and lower clamp arms are made of an insulating material.

In some embodiments, the bottom ends of the two adjusting rods are respectively arranged in an inclined way towards each other.

In some embodiments, the upper clamping arm and the lower clamping arm are respectively provided with a through hole.

In some embodiments, the method further comprises:

the sliding rail sleeve is arranged between the upper clamping arm and the guide post.

In some embodiments, the upper and lower clamping arms are elongated plate-shaped.

Compared with the prior art, the lower clamping assembly has the beneficial effects that the lower clamping assembly is used for placing the bare cell, the upper clamping assembly is arranged above the lower clamping assembly, and the upper clamping assembly can move upwards or downwards to clamp the bare cell in cooperation with the lower clamping assembly. Further, the locking component is installed to the same side of last clamping component and lower clamping component, can carry out spacingly according to the thickness of naked electric core to the distance between the subassembly, reduces the manual in-process of carrying naked electric core of manual, leads to naked electric core pole piece dislocation or the risk that drops because of the centre gripping is insecure.

Drawings

FIG. 1 is a schematic diagram of a bare cell clamping mechanism according to the present utility model;

fig. 2 is a schematic structural view of a locking assembly of a bare cell clamping mechanism according to the present utility model.

In the drawings, 100, a clamping mechanism; 110. an upper clamping assembly; 111. an upper mounting seat; 112. an upper clamping arm; 120. a lower clamping assembly; 121. a lower mounting seat; 122. a lower clamp arm; 130. a locking assembly; 131. a positioning block; 132. a clamping plate; 133. a pressure spring; 140. a guide post; 150. an adjusting rod; 160. a limit rod; 170. a handle; 190. a sliding rail sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," "axis," "circumferential," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the prior art, the conventional pressing mechanism has no functions of positioning and locking, a locking bolt is required to be added, and specifically, after the clamping mechanism presses the bare cell, the bare cell is fixedly locked by the locking bolt. The method is complex in operation in practical application, greatly increases time cost, and meanwhile, the clamping force cannot be well controlled, so that the bare cell is easy to deform in the carrying process. The clamping mechanism is used for clamping the bare cell, so that the clamping tightness of the bare cell can be guaranteed, the safety of the bare cell can be well guaranteed in the carrying process, and a good working effect can be achieved under the condition that the quality of a workpiece is not affected.

Referring to fig. 1 and 2, a die clamping mechanism 100 includes: the lower clamping assembly 120, the upper clamping assembly 110 and the locking assembly 130, wherein the lower clamping assembly 120 is used for bearing a bare cell, and the upper clamping assembly 110 is arranged above the lower clamping assembly 120 and can move up and down to clamp the bare cell in cooperation with the lower clamping assembly 120; the locking assembly 130 is disposed on a common side of the upper clamping assembly 110 and the lower clamping assembly 120, and is used for limiting the upper clamping assembly 110 and the lower clamping assembly 120, so that the overall stability of the cell mechanism when the bare cell is clamped is ensured. Specifically, after the bare cell is placed on the lower clamping assembly 120, a downward force is applied to the upper clamping assembly 110, so that the upper clamping assembly 110 moves in the direction of the lower clamping assembly 120. Meanwhile, the locking component 130 on one side limits the distance between the upper clamping component 110 and the lower clamping component 120, when the upper clamping component 110 is in contact with the bare cell, the movement is stopped, the locking component 130 locks the bare cell, and the problem that the bare cell is deformed or falls due to the fact that clamping is not firm in the process of carrying the bare cell manually is avoided.

In some embodiments of the present utility model, the upper clamping assembly 110 includes: a lower mount 121 and a lower clamp arm 122. One end of the lower clamping arm 122 is fixedly connected with one side surface of the lower mounting seat 121, and the lower clamping arm 122 is used for bearing the bare cell. Meanwhile, the upper clamping assembly 110 includes: the upper mounting seat 111 and the upper clamping arm 112, the upper mounting seat 111 is arranged right above the lower mounting seat 121, and one end of the upper clamping arm 112 is fixedly connected with one side surface of the upper mounting seat 111 and is arranged right above the lower clamping arm 122. The upper clamping arm 112 is capable of moving up and down, clamping the bare cell in cooperation with the lower clamping arm 122.

In other embodiments of the present utility model, the number of the upper clamping arms 112 is three, one end of the upper clamping arms is connected with one side of the upper mounting seat 111, and correspondingly, the number of the lower clamping arms 122 which are oppositely arranged is also three, one end of the lower clamping arms is connected with one side of the lower mounting seat 121, and the upper clamping arms 112 and the lower clamping arms 122 are both in a strip plate shape, so that the requirements of on-site practical machines can be met, the lightweight design of the clamping mechanism 100 is realized, the overall weight of the clamping mechanism 100 is further ensured to be relatively light, and the working strength of staff is reduced.

In some embodiments of the present utility model, the clamping mechanism 100 is further provided with a guide post 140; the two guide posts 140 are vertically arranged, the bottom end of one guide post is fixed at one end of the lower mounting seat 121, the top end of the other guide post is slidably connected to one end of the upper mounting seat 111, the bottom end of the other guide post is fixed at the other end of the lower mounting seat 121, and the top end of the other guide post is slidably connected to the other end of the upper mounting seat 111. Specifically, after the two guide posts 140 are fixedly connected with the lower mounting seat 121 and are slidably connected with the upper mounting seat 111, the upper mounting seat 111 drives the upper clamping arm 112 to slide on the guide posts 140, so that the precision of the upper clamping arm 112 in cooperation with the lower clamping arm 122 to clamp the bare cell is ensured, the problem that dislocation occurs between the upper clamping arm 112 and the lower clamping arm 122 is avoided, and the overall stability of the device is improved. Further, the clamping mechanism 100 further includes: an adjustment lever 150, a limit lever 160, and a handle 170. One end of the adjusting rod 150 is rotatably connected with the lower mounting seat 121, a guide groove is formed in the middle of the adjusting rod, the limiting rod 160 is slidably arranged in the guide groove, and one end of the limiting rod is fixedly connected with the upper mounting seat 111; the handle 170 is fixed on the adjusting lever 150, and can drive the adjusting lever 150 to rotate, so that the limit lever 160 slides along the guide groove, and the upper mounting seat 111 moves up and down.

In some embodiments of the present utility model, two adjusting rods 150, two limiting rods 160 and two handles 170 are respectively disposed, and the bottom ends of the adjusting rods 150 are respectively disposed in an inclined manner towards each other, so that the overall structure of the structure can operate more smoothly. Accordingly, when the two handles 170 are held to apply force to the outside, the limit bar 160 slides upward along the guide groove, so that the upper mounting seat 111 moves upward. The structure increases the convenience of operation and also effectively improves the working efficiency.

In some embodiments of the present utility model, the locking assembly 130 includes: a positioning block 131, a clamping plate 132 and a compression spring 133; wherein, a side surface of the positioning block 131 is provided with engaging teeth, and the engaging teeth are arranged on the lower mounting seat 121; a side surface of the clamping plate 132 is provided with engagement teeth, the engagement teeth can be engaged with the positioning block 131, the upper part of the clamping plate is rotationally connected with the upper mounting seat 111, one end of the pressure spring 133 is fixedly connected with the upper mounting seat 111, and the other end of the pressure spring is fixedly connected with the upper part of the clamping plate 132 so as to drive the lower part of the clamping plate 132 to move towards the positioning block 131. Because the pressure spring 133 applies force to the clamping plate 132, the clamping plate 132 and the positioning block 131 are always in an engaged state, and the distance between the upper mounting seat 111 and the lower mounting seat 121 is further limited.

In some embodiments of the present utility model, the upper clamping arm 112 and the lower clamping arm 122 are respectively provided with a through hole, so that the friction force between the upper clamping arm 112 and the lower clamping arm 122 and the bare cell is increased, and meanwhile, the overall light weight design of the mechanism is further realized, and the weight of the mechanism is reduced.

In some embodiments of the present utility model, the upper clamping arm 112 and the lower clamping arm 122 are made of insulating materials, so that the current to the bare cell is avoided, and the overall safety of the mechanism is improved.

In some embodiments of the present utility model, a sliding rail sleeve 190 is further disposed between the upper clamping arm 112 and the guide post 140, which increases the sliding force and improves the stability of the device.

Operation principle:

first, the bare cell is carried by the lower clamping arm 122, the operator holds the two handles 170 with both hands respectively and applies force inwards respectively, and drives the upper mounting seat 111 through the adjusting rod 150, so that the upper mounting seat 111 moves downwards on the guide post 140 until the upper mounting seat 111 is connected with the bare cell. Meanwhile, the locking assembly 130 on one side of the upper mounting seat 111 and the lower mounting seat 121 is clamped with the meshing teeth on the clamping plate 132 through the positioning blocks 131, the descending upper mounting seat 111 is limited, and the bare cell is locked and positioned, so that the bare cell cannot fall off in a dislocation manner in the carrying process. When the bare cell needs to be removed, only the pressure spring 133 on the upper mounting seat 111 and the clamping plate 132 needs to be pressed, so that the positioning block 131 and the clamping plate 132 are not meshed, and the two handles 170 are held to apply an external acting force, so that the upper mounting seat 111 moves upwards on the guide post 140, and the locking state is released. Therefore, the device has a simple and reasonable structure, ensures that the clamping mechanism 100 can stably clamp the bare cell, and avoids the risk of dislocation or falling of the pole piece of the bare cell caused by unstable clamping.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," "one particular embodiment," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The present utility model is not limited to the above preferred embodiments, and any person skilled in the art, within the scope of the present utility model, may apply to the present utility model, and equivalents and modifications thereof are intended to be included in the scope of the present utility model.

Claims

1. A bare cell clamping mechanism, comprising:

the lower clamping assembly is used for bearing the bare cell;

the upper clamping assembly is arranged above the lower clamping assembly and can move up and down, and the upper clamping assembly and the lower clamping assembly cooperate to clamp the bare cell;

2. The bare cell clamping mechanism according to claim 1, wherein the lower clamping assembly comprises:

a lower mounting seat;

3. The bare cell clamping mechanism according to claim 2, wherein the upper clamping assembly comprises:

the upper mounting seat is arranged right above the lower mounting seat;

4. The bare cell clamping mechanism according to claim 3, further comprising:

the two guide posts are arranged vertically, the bottom end of one guide post is fixed at one end of the lower mounting seat, and the top end of the guide post is connected with one end of the upper mounting seat in a sliding manner; the bottom end of the other one is fixed at the other end of the lower mounting seat, and the top end of the other one is connected with the other end of the upper mounting seat in a sliding manner;

the handle is fixed on the adjusting rod and can drive the adjusting rod to rotate, so that the limiting rod slides along the guide groove, and the upper mounting seat moves up and down.

5. The bare cell clamping mechanism according to claim 3 wherein the locking assembly comprises:

a side surface of the positioning block is provided with meshing teeth which are arranged on the lower mounting seat;

the clamping plate is provided with the meshing teeth on one side surface, and can be in meshing connection with the positioning block through the meshing teeth, and the upper part of the clamping plate is in rotary connection with the upper mounting seat;

6. The bare cell clamping mechanism according to claim 3 wherein the upper and lower clamping arms are both of an insulating material.

7. The bare cell clamping mechanism according to claim 4, wherein the number of the adjusting rods is two, and the bottom ends of the adjusting rods are respectively arranged in an inclined mode towards each other.

8. The bare cell clamping mechanism according to claim 3, wherein the upper clamping arm and the lower clamping arm are respectively provided with a through hole.

9. The bare cell clamping mechanism according to claim 4, further comprising:

10. The bare cell clamping mechanism according to claim 3 wherein the upper and lower clamping arms are each in the form of an elongated plate.