CN218731122U - Battery cell film coating device - Google Patents

Abstract

The application relates to a battery core film coating device, it includes the tool, the tool circulation is in a plurality of stations, the tool is used for bearing weight of membrane body and electric core, electric core stack in the membrane body still includes diolame mechanism, diolame mechanism includes: and the overturning assembly comprises a clamping piece and an overturning piece, the clamping piece is used for clamping the membrane body, and the driving end of the overturning piece is connected with the clamping piece so as to drive the clamping piece to rotate around the battery core. When the electric core film coating device disclosed by the application is used for film coating of the electric core, the electric core does not need to be transferred to other positions from a tool, and the film coating mechanism can continuously perform film coating operation on the electric core, so that the film coating efficiency of the electric core is improved.

Description

Battery cell film coating device

Technical Field

The application relates to the technical field of battery manufacturing, in particular to a battery core film coating device.

Background

At present, batteries are used as electric energy storage devices and are increasingly widely applied in various industries. In the assembling process of the square battery, a protective film is required to be coated on the circumferential side surface of the battery cell, then the battery cell is subjected to a shell entering operation, and the quality and the safety of the battery are ensured through the film coating of the battery cell.

In the related art, the cell encapsulation operation is generally performed manually or by a machine, and in order to meet the requirement of the battery, encapsulation equipment is usually adopted to adapt to the mass production of the battery. Generally, the battery cell is transferred to an encapsulation device, and the battery cell is encapsulated in the encapsulation device.

However, electric core generally is processing in batches, and electric core moves in each processing station along with the tool, and when electric core diolame, in need transporting electric core to diolame equipment, again transport out diolame equipment with electric core after the diolame is accomplished, not only transports electric core and need set up extra transportation equipment, and the transportation process is more time-consuming, therefore the diolame is inefficient.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a battery core film coating device to solve the technical problems of complex structure and low film coating efficiency of a film coating mechanism in the related technology.

The utility model provides an electricity core diolame device, its includes the tool, the tool circulation is in a plurality of stations, the tool is used for bearing weight of membrane body and electric core, electric core stack in the membrane body still includes diolame mechanism, diolame mechanism includes:

and the overturning assembly comprises a clamping piece and an overturning piece, the clamping piece is used for clamping the membrane body, and the driving end of the overturning piece is connected with the clamping piece so as to drive the clamping piece to rotate around the battery core.

In some embodiments, the flipper comprises:

a roll-over stand;

the overturning driving piece is connected with the overturning frame;

the one end of upset linking arm with the upset driving piece is connected, the other end of upset linking arm with the holder is connected, just the length direction of upset linking arm with the axis of rotation direction of the drive end of upset driving piece is the angle setting.

In some embodiments, the clamping members include a plurality of clamping members, the overturning member further includes a mounting arm connected to the overturning connecting arm, and the plurality of clamping members are connected to the mounting arm along a direction perpendicular to the conveying direction of the jig.

In some embodiments, the roll-over link arm comprises a telescoping arm.

In some embodiments, the film coating mechanism further comprises a film coating linear module, and the driving end of the film coating linear module moves along the conveying direction of the jig and is connected with the overturning component.

In some embodiments, the film coating mechanisms are provided in two groups, the two groups of film coating mechanisms are arranged at intervals along a conveying direction perpendicular to the jig, and a film coating channel for the jig to pass through is formed between the two groups of film coating mechanisms.

In some embodiments, the electric core film coating device further includes an adjusting linear module, and a driving end of the adjusting linear module moves along a direction perpendicular to the conveying direction of the jig and is connected with the film coating mechanism.

In some embodiments, this electric core diolame device still includes the scale, the length direction of scale with adjust the motion direction unanimity of the drive end of sharp module, and with adjust sharp module interval setting.

In some embodiments, the capsule mechanism further comprises a lifting frame and a lifting linear module, the lifting frame is connected with the capsule linear module, and a driving end of the lifting linear module moves in a lifting manner and is connected with the lifting frame

In some embodiments, the clamp comprises a jaw cylinder, the clamping face of the jaw cylinder being provided with a flexible layer.

The technical scheme who provides this application brings beneficial effect includes:

the embodiment of the application provides an electricity core diolame device, during the electricity core diolame, electricity core circulates to diolame mechanism department along with the tool, the holder is with the one end centre gripping of membrane body, and the upset piece drives the holder and rotates around electric core, the membrane body is along with the holder and around locating electric core, with the circumference side of membrane body cladding at electric core, therefore electricity core diolame in-process, electric core need not to leave the tool, and directly drive the membrane body around locating the diolame operation of electric core in order to accomplish electric core, and convenient for operation, efficiency is higher. In addition, after the film coating of electric core is accomplished, leave the diolame mechanism along with the tool, but the tool that bears weight of membrane body and electric core continuous flow reaches diolame mechanism department to continuous diolame operation has improved the diolame efficiency of electric core, is applicable to large batch electric core diolame processing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of a cell encapsulation apparatus provided in an embodiment of the present application;

FIG. 2 is a schematic view of a coating mechanism provided in an embodiment of the present application;

fig. 3 is a schematic diagram of a flipping assembly according to an embodiment of the present disclosure.

In the figure: 1. a film coating mechanism; 11. a turnover assembly; 111. a clamping member; 111a, a flexible layer; 112. a turnover piece; 1121. a roll-over stand; 1122. turning over the driving piece; 1123. turning over the connecting arm; 1124. a mounting arm; 12. a film-coating linear module; 13. a film wrapping frame; 2. adjusting the linear module; 3. a graduated scale.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

The embodiment of the application provides a film coating device for an electric core, electric core is along with tool circulation to diolame mechanism department, behind the holder centre gripping membrane body, upset piece drives the membrane body around locating electric core to with membrane body cladding in electric core, when the electric core diolame device disclosed in this application is to electric core diolame operation, electric core need not to shift to other positions from the tool, and diolame mechanism can carry out the diolame operation to electric core in succession, with the slower technical problem of electric core diolame efficiency in the solution correlation technique.

A film coating device for a battery cell comprises a jig and a film coating mechanism 1. The jig is used for bearing the film body and the battery cell, and the jig can be circulated at different stations along with the wire body so as to drive the battery cell and the film body to be circulated at a plurality of stations. The jig is arranged in to the membrane body, and battery core stack is in the membrane body.

Further, the width direction of the battery core is consistent with the conveying direction of the jig, and the battery core is arranged close to one edge of the film body, so that the film body is conveniently coated on the circumferential side face of the battery core by turning the film body. In this embodiment, the membrane body comprises a Mylar membrane.

The film coating mechanism 1 is used for clamping and overturning the film body so as to drive the film body to coat on the battery core. After the jig is circulated to the position of the film coating mechanism 1, the film coating mechanism 1 performs film coating operation on the battery core on the jig, the battery core after film coating leaves the film coating mechanism 1 along with the continuous circulation of the jig, and other jigs bearing the battery core and the film body are circulated to the position of the film coating mechanism 1 for processing. The film coating mechanism 1 can continuously perform film coating operation, improves the film coating efficiency and is suitable for mass production.

The coating mechanism 1 comprises a turning assembly 11, the turning assembly 11 comprises a clamping piece 111 and a turning piece 112, wherein the clamping piece 111 is used for clamping the film body, the driving end of the turning piece 112 is connected with the clamping piece 111 to drive the clamping piece 111 to turn around the battery cell, and the film body is wound around the battery cell along with the clamping piece 111 and is coated on the battery cell.

Specifically, referring to fig. 3, the flipper 112 includes a flipper frame 1121, a flipper drive 1122, and a flipper connecting arm 1123. The turnover driving member 1122 is fixed on the turnover frame 1121 through a bolt, one end of the turnover connecting arm 1123 is connected with the driving end of the turnover driving member 1122, and the other end of the turnover connecting arm 1123 is connected with the clamping member 111. The length direction of the turning connecting arm 1123 is disposed at an angle to the rotation axis direction of the driving end of the turning driving member 1122, and preferably, the length direction of the turning connecting arm 1123 is perpendicular to the rotation axis direction of the driving end of the turning driving member 1122. In this embodiment, tumble drive 1122 includes a motor.

The upset driving piece 1122 drives the upset linking arm 1123 and the holder 111 to rotate, and the turning radius of the holder 111 is the length of the upset linking arm 1123, and the setting of the upset linking arm 1123 is to support the holder 111 to bypass the upper surface of the battery cell, so that the film body is coated on the battery cell along with the rotation of the linking arm.

Set up like this, during the membrane of electric core, electric core along with tool circulation to diolame mechanism department, holder 111 is with the one end centre gripping of membrane body, and upset driving piece 1122 drives holder 111 and rotates around electric core, because the setting of upset linking arm 1123, the turning radius of holder 111 is great. The membrane body is around locating electric core along with holder 111 to with the cladding of membrane body in the circumference side of electric core, therefore electric core diolame in-process, electric core need not to leave the tool, and directly drive the membrane body around locating the diolame operation of electric core in order to accomplish electric core, convenient operation, efficiency is higher.

Further, the turning member 112 further includes a mounting arm 1124, the mounting arm 1124 is bolted to the turning connecting arm 1123, and the clamping member 111 is bolted to the mounting arm 1124. In some embodiments, the clamping members 111 include a plurality of clamping members 111, the clamping members 111 are fixed to the mounting arm 1124 by bolts, and the clamping members 111 are spaced apart from each other in a direction perpendicular to the conveying direction of the jig. A plurality of holders 111 can hold the membrane body simultaneously and drive the membrane body synchronously around the cell. When driving the membrane body around locating electric core, increase the application of force point to the membrane body, the membrane body is difficult for producing the fold around when establishing, has improved the diolame quality.

Further, in some embodiments, the turning connecting arm 1123 comprises a telescopic arm, the telescopic length of which can be freely set, and the turning radius of the clamping member 111 can be changed by changing the length of the turning connecting arm 1123. When carrying out the diolame to the great electric core of size, the length of accent length upset linking arm 1123, when the less electric core diolame of size, shortens to the length adaptability of upset linking arm 1123 to can bypass electric core when guaranteeing that holder 111 rotates, the complete cladding of membrane body in electric core. Because the length of the overturning connecting arm 1123 is adjustable, the coating device can be used for processing various battery cores with different specifications, and the applicability is improved.

In this embodiment, referring to fig. 2, the coating mechanism 1 further includes a coating linear module 12, a driving end of the coating linear module 12 moves along a conveying direction of the jig and is connected to the turning assembly 11 to drive the turning assembly 11 to move along the conveying direction of the jig, the clamping member 111 is driven by the turning member 112 to rotate, and the coating linear module 12 synchronously drives the turning member 112 and the clamping member 111 to move along the conveying direction of the jig, so as to ensure that the clamping member 111 can bypass the electric core, and drive the film body to coat on the electric core. Due to the arrangement of the film-coating linear module 12, the clamping piece 111 can be driven to move, and the clamping piece 111 can be ensured to completely bypass the battery cell. According to the electric cores with different sizes, the overturning assembly 11 is driven to move adaptively through the film coating linear module 12, so that the clamping piece 111 can bypass the electric cores with different sizes, and the film coating linear module 12 is arranged, and the applicability of the film coating device is improved. Specifically, the capsule linear module 12 includes a linear motor, and in other embodiments, the capsule linear module 12 may further include a screw mechanism.

Further, referring to fig. 2, the film coating mechanism 1 further includes a film coating frame 13, and a fixed end of the film coating linear module 12 is fixed on the film coating frame 13 through a bolt. In this embodiment, the film coating mechanisms 1 are provided in two groups, the two groups of film coating mechanisms 1 are arranged in parallel at intervals, a film coating channel is formed between the two groups of film coating mechanisms 1, and a jig passes through the film coating channel so as to coat a battery cell on the jig by the two groups of film coating mechanisms 1. Wherein, the membrane body is centre gripping simultaneously to the upset subassembly 11 of two sets of diolame mechanisms 1, and drives the membrane body simultaneously and walks around electric core to accomplish the diolame operation of electric core. Wherein, utilize two sets of diolame mechanisms 1 to carry out the diolame to electric core simultaneously, the point of application of force that drives the membrane body increases, and the membrane body is when walking around electric core, and the difficult fold that produces of membrane body has improved the quality of diolame.

Further, this electric core diolame device still includes bottom plate (not shown in the figure), and two sets of diolame mechanisms 1 all slide and set up in the bottom plate, and two sets of diolame mechanisms 1 are close to or keep away from the slip to adjust the interval between two sets of diolame mechanisms 1, and adapt to not unidimensional tool and electric core and pass through, and then adapt to carry out the diolame to not unidimensional electric core, improved this diolame device's suitability.

Specifically, referring to fig. 1 and 2, the electric core film wrapping device further includes an adjusting linear module 2, a fixed end of the adjusting linear module 2 is fixed to the base plate, and a driving end of the adjusting linear module 2 is connected to the film wrapping mechanism 1. The number of the adjusting linear modules 2 is one or two, when one adjusting linear module 2 is arranged, the driving end of the adjusting linear module 2 is connected with one film coating mechanism 1, so that the distance between the two film coating mechanisms 1 can be adjusted by adjusting the position of the one film coating mechanism 1. In this embodiment, the two adjusting linear modules 2 include two adjusting linear modules 2, and the two adjusting linear modules 2 are respectively used for adjusting the positions of the two coating mechanisms 1. Specifically, the adjusting linear module 2 includes a screw mechanism, preferably, the screw mechanism is driven by a hand wheel to manually adjust the position of the film coating mechanism 1.

Furthermore, the film coating frame 13 of the film coating mechanism 1 is slidably disposed on the bottom plate via the guide rail group, so as to improve the stability of the film coating mechanism 1 when the position is slidably adjusted.

Further, referring to fig. 1, the electric core coating device further includes graduated scales 3, and in this embodiment, the number of the graduated scales 3 is the same as that of the coating mechanisms 1, and two are provided. Two scale 3 are respectively through the bolt fastening on the bottom plate, and length direction is unanimous with the direction of motion of the drive end of adjusting sharp module 2, and scale 3 sets up with adjusting sharp module 2 interval is adjacent to in order to assist the position of confirming diolame mechanism 1 through scale 3.

In some embodiments, the film wrapping mechanism 1 further comprises a lifting frame and a lifting linear module. The fixed end of the lifting linear module is fixed with the film coating frame 13 through a bolt, the driving end of the lifting linear module is connected with the lifting frame, and the fixed end of the film coating linear module 12 is fixed with the lifting frame. With this through the lift sharp module drive crane lift to adjust the height of capsule sharp module 12 and upset subassembly 11, be convenient for adapt to the tool of co-altitude position, when the line body height of tool circulation was inconsistent promptly, through the height of adjusting capsule sharp module 12 and upset subassembly 11, can carry out the capsule processing to the electric core on the tool of co-altitude department. Specifically, the lifting module comprises a screw rod mechanism or a linear motor.

Specifically, in this embodiment, the clamp 111 includes a jaw cylinder that clamps the film body. Preferably, referring to fig. 3, the clamping surface of the clamping jaw cylinder is provided with a flexible layer 111a, and the clamping jaw cylinder is in contact with the film body through the flexible layer 111a, so that the film body is clamped more firmly on the one hand, and the film body is not easily scratched when the film body is clamped on the other hand. Specifically, the flexible layer 111a includes a rubber layer.

The embodiment of the application provides an electric core diolame device, during the electric core diolame, electric core moves to diolame mechanism 1 department along with the tool, holder 111 is with the one end centre gripping of membrane body, and upset piece 112 drives holder 111 and rotates around electric core, the membrane body is around locating electric core along with holder 111, with the circumference side of membrane body cladding at electric core, therefore electric core diolame in-process, electric core need not to leave the tool, and directly drive the membrane body around locating the diolame operation of electric core in order to accomplish electric core, and convenient for operation, the effect is higher. In addition, after the battery cell completes the film coating, the battery cell leaves the film coating mechanism 1 along with the jig, and the jig carrying the film body and the battery cell can be continuously transferred to the film coating mechanism 1 to continuously perform film coating operation, so that the film coating efficiency of the battery cell is improved, and the method is suitable for large-batch film coating processing of the battery cell.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

It is noted that, in this application, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The previous description is only an example of the present application, and is provided to enable any person skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an electricity core diolame device, its includes the tool, the tool circulation is in a plurality of stations, the tool is used for bearing weight of membrane body and electric core, electric core stack in the membrane body, its characterized in that still includes diolame mechanism, diolame mechanism includes:

and the overturning assembly comprises a clamping piece and an overturning piece, the clamping piece is used for clamping the membrane body, and the driving end of the overturning piece is connected with the clamping piece so as to drive the clamping piece to rotate around the battery core.

2. The electrical core encapsulation device of claim 1, wherein the flipping member comprises:

a roll-over stand;

the overturning driving piece is connected with the overturning frame;

the one end of upset linking arm with the upset driving piece is connected, the other end of upset linking arm with the holder is connected, just the length direction of upset linking arm with the axis of rotation direction of the drive end of upset driving piece is the angle setting.

3. The electrical core encapsulation device according to claim 2, wherein the plurality of clamping members comprise a plurality of clamping members, the turning member further comprises a mounting arm, the mounting arm is connected with the turning connecting arm, and the plurality of clamping members are connected to the mounting arm along a direction perpendicular to the conveying direction of the jig.

4. The electrical core encapsulation device of claim 3, wherein the overturning connecting arm comprises a telescopic arm.

5. The electrical core coating device of claim 1, wherein the coating mechanism further comprises a coating linear module, and the driving end of the coating linear module moves along the conveying direction of the jig and is connected with the overturning component.

6. The electric core coating device according to claim 5, wherein two groups of coating mechanisms are provided, the two groups of coating mechanisms are arranged at intervals along a direction perpendicular to the conveying direction of the jig, and a coating channel for the jig to pass through is formed between the two groups of coating mechanisms.

7. The electric core coating device according to claim 6, further comprising an adjusting linear module, wherein a driving end of the adjusting linear module moves along a direction perpendicular to a conveying direction of the jig and is connected with the coating mechanism.

8. The electric core coating device of claim 7, further comprising a graduated scale, wherein the length direction of the graduated scale is consistent with the movement direction of the driving end of the adjusting linear module, and the graduated scale and the adjusting linear module are arranged at intervals.

9. The electric core coating device of claim 5, wherein the coating mechanism further comprises a lifting frame and a lifting linear module, the lifting frame is connected with the coating linear module, and a driving end of the lifting linear module moves up and down and is connected with the lifting frame.

10. The electrical core encapsulation device of claim 9, wherein the clamping member comprises a clamping jaw cylinder, and a flexible layer is provided on a clamping surface of the clamping jaw cylinder.

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