CN220744351U - Battery cell coating device - Google Patents

Abstract

The utility model provides a battery cell coating device which comprises a bracket, clamping pieces, a first driving mechanism, a second driving mechanism and a coating mechanism, wherein the bracket is used for placing a battery cell; the second driving mechanism is connected with the clamping pieces and is used for driving the two clamping pieces to move along a second direction so as to convey the battery cells to the coating mechanism for coating, and the coated battery cells are sent out from the coating mechanism. In the process of conveying the battery cell, the clamping piece can clamp and limit the battery cell on two opposite sides of the battery cell, so that the battery cell is prevented from shaking, the size deviation is generated, the coating precision of the battery cell is improved, and the coating quality is improved. And the clamping piece is symmetrically limited in clamping limit of the battery cell, so that the difficulty in design of stations before and after the coating can be effectively reduced, and the later-stage model changing difficulty is reduced.

Description

Battery cell coating device

Technical Field

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

Background

In the production process of the lithium battery, the battery cell needs to be coated, a conveying device adopted in the existing coating process is usually in the form of a servo push plate and a single-side guide wheel, but in the form, the coated cell is hard-limited through a single-side roller, the lateral coating precision is low, larger size deviation is easy to generate, the coating quality is uneven, the single-side hard-limit is asymmetric, and adverse effects are easy to generate on the change of the shape of a subsequent station.

Along with the continuous development of lithium battery production technology and the continuous improvement of production requirements, the requirements on the film coating precision of the battery cells of the lithium batteries are higher and higher, the requirements on the film changing time are shorter and shorter, and the production requirements of the lithium batteries are difficult to meet by the existing film coating device.

Disclosure of Invention

In view of the above, the utility model provides a cell coating device to at least solve the problems of low coating precision, low quality and high subsequent model change difficulty caused by adopting an asymmetric limiting structure of the existing cell coating device.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides an electric core coating device which comprises a bracket, a clamping piece, a first driving mechanism, a second driving mechanism and a coating mechanism, wherein the bracket is provided with a first clamping piece; the bracket is used for placing the battery cell, and the clamping pieces are arranged on two opposite sides of the bracket along the first direction; the first driving mechanism is connected with the clamping piece and used for driving the clamping piece to move along the first direction so as to clamp and fix the battery cell; the second driving mechanism is connected with the clamping piece and used for driving the clamping piece to move along a second direction so as to convey the battery cell to the coating mechanism for coating, and the coated battery cell is sent out from the coating mechanism; the first direction intersects the second direction.

Optionally, a limiting part is arranged on one side of the clamping part, which is used for clamping and fixing the battery cell, and the limiting part is used for limiting the movement of the battery cell along the second direction.

Optionally, a plurality of rollers are arranged on the bracket, and the battery cells are placed on the rollers.

Optionally, the first driving mechanism is a double-stroke cylinder, and the double-stroke cylinder is arranged along the first direction and is fixedly connected with the clamping piece respectively.

Optionally, the second driving mechanism comprises a mounting plate and a driving piece; the clamping piece is arranged on the mounting plate; the driving piece is connected with the mounting plate and is used for driving the mounting plate to move along the second direction so as to drive the clamping piece to synchronously move.

Optionally, a first guide rail arranged along the first direction is arranged on the mounting plate, and the clamping piece is slidably connected with the first guide rail.

Optionally, a second guide rail is disposed on a side of the mounting plate away from the clamping element, and the second guide rail is used for guiding the movement direction of the mounting plate.

Optionally, the driving piece is a motor screw module.

Optionally, the second driving mechanism further comprises a connecting piece; the connecting piece along the first direction set up in the mounting panel is kept away from one side of holder, the both ends of connecting piece respectively with holder fixed connection.

Optionally, the size of the clamping member is at least larger than the sizes of the two battery cells along the second direction.

Optionally, the coating mechanism comprises a coating roller; the coating roller is wound with an insulating film, and the insulating film is coated on two opposite side walls of the battery cell in the process that the battery cell moves along the second direction.

Compared with the prior art, the battery cell coating device has the following advantages:

the utility model discloses a battery cell coating device which comprises a bracket, clamping pieces, a first driving mechanism, a second driving mechanism and a coating mechanism, wherein the bracket is used for placing battery cells, the clamping pieces are arranged on two opposite sides of the bracket along a first direction, the first driving mechanism is connected with the clamping pieces and used for driving the clamping pieces to move along the first direction, namely, the directions of mutually approaching or separating the clamping pieces on two sides of the bracket, and the clamping pieces on two sides of the bracket can clamp the battery cells on a fixed bracket in the mutually approaching process. The first driving mechanism can be connected with any clamping piece on one side of the bracket to carry out one-side driving, and can also be connected with clamping pieces on two sides of the bracket to carry out two-side driving. The second driving mechanism is connected with the clamping pieces and is used for driving the two clamping pieces to move along a second direction, the second direction is intersected with the first direction, and in a specific embodiment, an included angle between the first direction and the second direction can be set to be 80-100 degrees so as to ensure the stability of the battery cell in the movement process. And the clamping piece can drive the clamped battery core to synchronously move in the process of moving along the second direction, so that the battery core is conveyed to the coating mechanism for coating, and after the coating mechanism finishes coating the battery core, the second driving mechanism can send the coated battery core out of the coating mechanism. According to the battery cell coating device, in the process of conveying the battery cells, the clamping pieces can clamp and limit the opposite sides of the battery cells, so that the battery cells are prevented from shaking, the battery cells are accurately conveyed to the coating mechanism for coating, the dimensional deviation is avoided, the coating precision of the battery cells is improved, and the coating quality of the battery cells is improved. And the clamping piece is symmetrically limited in clamping limit of the battery cell, and the clamping reference of the battery cell by the station before coating is consistent with the clamping reference of the battery cell by the station after coating, so that the difficulty in designing the station before and after coating can be effectively reduced, the design efficiency is improved, and the later-stage mold changing difficulty is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic top view of a cell coating apparatus according to the present embodiment;

FIG. 2 is a schematic bottom view of a battery cell encapsulation device according to the present embodiment;

fig. 3 is a top view of a cell encapsulation device in this embodiment.

Reference numerals illustrate:

the battery pack comprises a 1-bracket, a 2-clamping piece, a 3-first driving mechanism, a 41-mounting plate, a 411-first guide rail, a 412-second guide rail, a 42-driving piece, a 43-connecting piece, a 5-limiting piece, a 6-roller, a 7-coating roller and an 8-battery cell.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present utility model may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be appreciated that reference throughout this specification to "one embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present utility model. Thus, the appearances of the phrase "in one embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The utility model provides a battery cell coating device which is described in detail below by listing specific embodiments.

Referring to fig. 1 and 2, the battery cell coating device provided by the utility model comprises a bracket 1, a clamping piece 2, a first driving mechanism 3, a second driving mechanism and a coating mechanism; the bracket 1 is used for placing the battery cell 8, and the clamping pieces 2 are arranged on two opposite sides of the bracket 1 along the first direction; the first driving mechanism 3 is connected with the clamping piece 2 and is used for driving the clamping piece 2 to move along the first direction so as to clamp and fix the battery cell 8; the second driving mechanism is connected with the clamping piece 2 and is used for driving the clamping piece 2 to move along a second direction so as to convey the battery cells 8 to the coating mechanism for coating, and the coated battery cells 8 are sent out from the coating mechanism; the first direction intersects the second direction.

Specifically, the battery cell coating device comprises a bracket 1, a clamping piece 2, a first driving mechanism 3, a second driving mechanism and a coating mechanism, wherein the bracket 1 is a support frame with good rigidity, two ends of the bracket 1 are respectively a feeding end and a discharging end, a battery cell 8 is placed on the bracket 1 from the feeding end, and the battery cell is sent out from the discharging end after coating is completed. The feeding of the battery cell 8 from the feeding end and the discharging from the discharging end may be manually performed, or may be performed by means of an automated device such as a manipulator, which is not limited in this embodiment. The clamping members 2 are arranged on opposite sides of the carrier 1 in a first direction, indicated as Y-direction in fig. 1 and 2, which direction is still applicable in the subsequent embodiments.

The first driving mechanism 3 is connected with the clamping piece 2, can drive the clamping piece 2 to move along a first direction, and achieves that the clamping pieces 2 on two sides of the bracket 1 are close to or far away from each other, the clamping pieces 2 on two sides of the bracket 1 can clamp and fix the battery cell 8 on the bracket 1 in the process of being close to each other, and the battery cell 8 on the bracket 1 can be loosened in the process of being far away from each other. After the battery cell 8 is placed on the bracket 1 from the feeding end, the first driving mechanism 3 can start to drive the clamping pieces 2 to move so that the clamping pieces 2 on two sides are close to each other to clamp and fix the battery cell 8, and when the battery cell 9 is coated and needs to be sent out from the discharging end, the first driving mechanism 3 can start to drive the clamping pieces 2 to move so that the clamping pieces 2 on two sides are far away from each other to loosen the battery cell 8, so that the battery cell 8 can be taken out from the bracket 1 conveniently. In a preferred embodiment, the clamping member 2 may be provided with a longer dimension in the second direction, so that the clamping member 2 can clamp and fix a plurality of the battery cells 8 at the same time. The first driving mechanism 3 may take any driving form of cylinder driving, motor driving, or the like, and is not limited to this embodiment. Meanwhile, the first driving mechanism 3 can be connected with any one-side clamping piece 2 of the bracket 1 to drive the clamping piece 2 on one side, and can also be connected with the clamping pieces 2 on two sides of the bracket 1 to drive the clamping piece 2 on two sides.

The second driving mechanism is connected with the clamping pieces 2 and is used for driving the two clamping pieces 2 to move along a second direction, the second direction is intersected with the first direction, and in a specific embodiment, an included angle between the first direction and the second direction can be set to be 80-100 degrees so as to ensure the stability of the battery cell 8 in the moving process. In a preferred embodiment, the second direction is arranged perpendicular to the first direction, as indicated by the X-direction in fig. 1 and 2, which is still applicable in the following examples. Of course, the second driving mechanism may be driven by any driving means such as a cylinder driving means or a motor driving means, and the present embodiment is not limited thereto. The clamping piece 2 can drive the clamped battery cell 8 to synchronously move in the process of moving along the second direction, so that the battery cell 8 is conveyed to the coating mechanism for coating, and after the coating mechanism finishes coating the battery cell 8, the second driving mechanism can send the coated battery cell 8 out of the coating mechanism. Meanwhile, the movement of the clamping piece 3 driven by the first driving mechanism 3 along the first direction and the movement of the clamping piece 3 driven by the second driving mechanism along the second direction can be synchronously performed, so that the working efficiency of the battery cell coating device is improved.

According to the battery cell coating device, in the process of conveying the battery cells 8, the clamping pieces 2 on the two sides of the bracket 1 can clamp and limit the two opposite sides of the battery cells 8, so that the battery cells 8 are prevented from shaking in the process of conveying the battery cells 8 to the coating mechanism, the size deviation is avoided, the accurate positioning of the battery cells 8 is ensured, the coating precision of the battery cells 8 is improved, and the coating quality of the battery cells 8 is improved. Meanwhile, the clamping piece 2 is used for clamping and limiting the battery core 8 in a bilateral symmetry mode, the clamping reference of the battery core 8 by the station before coating is consistent with the clamping reference of the battery core 8 by the station after coating, and the positioning reference is not changed in the whole coating process, so that the positioning stability and positioning accuracy of the battery core 8 can be ensured, the difficulty of station design before and after coating is reduced, the design efficiency of a production line is improved, and the later-stage mold changing difficulty is reduced.

Alternatively, referring to fig. 1 and 2, a side of the clamping member 2 for clamping and fixing the battery cell 8 is provided with a limiting member 5, and the limiting member 5 is used for limiting the movement of the battery cell 8 along the second direction.

Specifically, in the process of coating the battery cell 8 by the coating mechanism, the coating roller of the coating mechanism contacts the bottom of the battery cell 8, the battery cell 8 moves along the second direction, and the protective film gradually coats the top of the battery cell 8 from the bottom of the battery cell 8, so that the coating is completed. In order to avoid the phenomenon that the battery core 8 is in front of a stagnation or is in back due to large friction force in the coating process, a limiting piece 5 can be arranged on one side of the clamping piece 2 for clamping and fixing the battery core 8, and the limiting piece 5 is arranged on one side close to the top of the battery core 8, so that the battery core 8 can be limited to move along the second direction in the coating process of the battery core 8, the phenomenon that the battery core 8 is in front of a stagnation or is in back is avoided, smooth coating operation is ensured, the risk of top-bottom deviation after coating can be avoided, and the coating quality is improved.

Optionally, referring to fig. 1, a plurality of rollers 6 are disposed on the bracket 1, and the battery cells 8 are disposed on the rollers 6.

Specifically, be provided with a plurality of gyro wheels 6 on the bracket 1, gyro wheel 6 sets up along the interval of second direction, and electric core 8 is placed on gyro wheel 6, and the rotation through gyro wheel 6 drives electric core 8 and moves along the second direction, changes the stiction in the motion process of electric core 8 into rolling friction to reduce the frictional force in the motion process of electric core 8 by a wide margin, help saving second actuating mechanism's drive power.

Alternatively, referring to fig. 2, the first driving mechanism 3 is a double-stroke cylinder, and the double-stroke cylinder is disposed along the first direction and is fixedly connected with the clamping member 2 respectively.

Specifically, the first driving mechanism 3 adopts a cylinder driving mode, and the cylinder driving structure is simple, quick in response and quick in response, so that the movement efficiency of the clamping piece 2 can be improved, and the accurate positioning of the clamping piece 2 can be realized. Meanwhile, the first driving mechanism 3 adopts a double-stroke cylinder which is arranged along the first direction and is fixedly connected with the clamping pieces 2 at two sides of the bracket 1 respectively, the double-stroke cylinder can drive the clamping pieces 2 at two sides of the bracket 1 to synchronously move, the movement speed and the movement distance of the clamping pieces 2 at two sides can be kept consistent, and the center of gravity of the battery cell 8 is prevented from shifting from the center of the device after the battery cell 8 is clamped and fixed, so that the stability of the whole device is ensured.

Alternatively, referring to fig. 1 to 3, the second driving mechanism includes a mounting plate 41 and a driving member 42; the clamping member 2 is arranged on the mounting plate 41; the driving member 42 is connected to the mounting plate 41, and is configured to drive the mounting plate 41 to move along the second direction, so as to drive the clamping member 2 to move synchronously.

Specifically, the second driving mechanism includes a mounting plate 41 and a driving member 42, where the clamping member 2 is disposed on the mounting plate 41, and in a preferred embodiment, the clamping member 2 may be movably mounted on the mounting plate 41, and the first driving mechanism 3 is connected to the clamping member 2 and may drive the clamping member 2 to move on the mounting plate 41 along the first direction, so as to implement clamping and fixing of the battery cell 8. In the second direction the length of the mounting plate 41 is slightly greater than the length of the clamping member 2, or at least flush with the end of the clamping member 2, to ensure a reliable support of the clamping member 2 by the mounting plate 41. The driving piece 42 is connected with the mounting plate 41, and can drive the mounting plate 41 to move along the second direction, and the mounting plate 41 drives the clamping piece 2 arranged on the mounting plate to synchronously move, so that the clamping piece 2 moves along the second direction, and the clamped and fixed battery cell 8 is conveyed to the coating mechanism for coating.

Alternatively, referring to fig. 1 and 3, the mounting plate 41 is provided with a first guide rail 411 disposed along the first direction, and the clamping member 2 is slidably connected to the first guide rail 411.

Specifically, be provided with the first guide rail 411 of laying along first direction on the mounting panel 41, the clamping piece 2 is close to one side of first guide rail 411 and is provided with the guide way, first guide rail 411 inlays and locates this guide inslot, realize clamping piece 2 and first guide rail 411 sliding connection, thereby the motion of clamping piece 2 along first direction can be realized through the slip along first guide rail 411, the stability of clamping piece 2 motion in-process has effectively been promoted, also can alleviate the impact that clamping piece 2 caused when contacting cell 8 to a certain extent, avoid causing the damage to the surface of cell 8, guarantee the quality of cell 8.

Alternatively, referring to fig. 1 and 2, a second guide rail 412 disposed along the second direction is provided on a side of the mounting plate 41 away from the clamping member 2, and the second guide rail 412 is used to guide the movement direction of the mounting plate 41.

Specifically, the second guide rail 412 that the mounting panel 41 was laid along the second direction is provided with to one side that the mounting panel was kept away from clamping piece 2, second guide rail 412 is used for contacting with the operation platform, the operation platform is the supporting platform of whole electric core diolame device, can set up the guide way of laying along the second direction on the operation platform, when preventing electric core diolame device on the operation platform, inlay this guide way with second guide rail 412, realize the sliding connection of mounting panel 41 and operation platform, thereby the in-process that driving piece 42 drive mounting panel 41 moved along the second direction, mounting panel 41 can follow the guide way motion, avoid appearing skew, dislocation etc. in the motion process, promote the stability of mounting panel 41 motion in-process, and then accurately transport electric core 8 to diolame mechanism department and carry out the diolame.

Optionally, the driving member 42 is a motor screw module.

Specifically, the driving piece 42 selects a motor screw rod module, the motor screw rod module comprises a motor, a screw rod and a nut, the motor is connected with the screw rod, the nut is sleeved on the screw rod and is in threaded connection with the screw rod, the mounting plate 41 is fixedly connected with the nut, the driving piece 42 drives the mounting plate 41 to move according to the realization principle that the motor drives the screw rod to rotate, the nut moves along the axial direction of the screw rod, the screw rod is arranged along the second direction, the axial direction of the screw rod is the second direction, and the mounting plate 41 is driven to synchronously move in the nut moving process, so that the movement of the mounting plate 41 along the second direction is realized. The motor lead screw module has high driving precision, small error and high stability, and can ensure the motion precision and motion stability of the mounting plate 41.

Optionally, referring to fig. 2, the second driving mechanism further includes a connecting member 43; the connecting piece 43 is disposed on a side of the mounting plate 41 away from the clamping piece 2 along the first direction, and two ends of the connecting piece 43 are respectively fixedly connected with the clamping piece 2.

Specifically, the second driving mechanism further comprises a connecting piece 43, the connecting piece 43 is a plate with good rigidity, a hard alloy piece, a plastic piece and the like can be adopted, the connecting piece 43 is arranged on one side, far away from the clamping piece 2, of the mounting plate 41 along the first direction, two ends of the connecting piece 43 are fixedly connected with the clamping piece 2 respectively, in the process that the second driving mechanism drives the clamping piece 2 to move along the second direction, the connecting plate 43 can ensure the consistency of the movement of the two clamping pieces 2, and therefore the situation that different friction forces are generated on two sides of the battery cell 8 to cause the side-rolling phenomenon of the battery cell 8 is avoided.

Optionally, in the second direction, the dimensions of the clamping member 2 are at least larger than the dimensions of two of the cells 8.

Specifically, along the second direction, the size of the clamping piece 2 is at least greater than the sizes of the two electric cores 8, so that the clamping piece 2 can clamp at least two electric cores 8 at a time, and when the electric cores 8 at one end of the clamping piece 2 are coated, the other end of the clamping piece 2 can still be subjected to feeding operation, so that the coating efficiency of the electric core coating device is greatly improved. Of course, the size of the clamping member 2 may be greater than the size of three, four or even more battery cells 8, and may be specifically determined according to the specification of the battery cell coating device, which is not limited in this embodiment.

Optionally, the coating mechanism comprises a coating roller 7; the wrapping roller 7 is wound with an insulating film, and the wrapping roller 7 is used for wrapping the insulating film on two opposite side walls of the battery cell 8 in the process that the battery cell 8 moves along the second direction.

Specifically, the coating mechanism comprises a coating roller 7, the coating roller 7 is arranged on two opposite sides of the battery cell 8 along a third direction, the third direction is a direction perpendicular to a plane where the first direction and the second direction are located, an insulating film is wound on the surface of the coating roller 7, the battery cell 8 moves to the coating mechanism and continuously moves along the second direction, and in the process of moving along the second direction, the coating roller 7 gradually coats the insulating film wound on the surface of the coating roller on two opposite side walls of the battery cell 8, so that the coating of the battery cell 8 is realized. In a preferred embodiment, a plurality of limit rollers are further arranged on the periphery of the coating roller 7, the axes of the limit rollers and the axis of the coating roller 7 are located on the same plane, and the limit rollers can limit the battery cell 8 in the process that the battery cell 8 moves along the second direction, so that the influence on the coating quality caused by shaking of the battery cell 7 along the third direction is avoided.

Finally, it is further noted that 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The battery cell coating device is characterized by comprising a bracket (1), a clamping piece (2), a first driving mechanism (3), a second driving mechanism and a coating mechanism;

the bracket (1) is used for placing the battery cell (8), and the clamping pieces (2) are arranged on two opposite sides of the bracket (1) along a first direction;

the first driving mechanism (3) is connected with the clamping piece (2) and is used for driving the clamping piece (2) to move along the first direction so as to clamp and fix the battery cell (8);

the second driving mechanism is connected with the clamping piece (2) and is used for driving the clamping piece (2) to move along a second direction so as to convey the battery cell (8) to the coating mechanism for coating, and the battery cell (8) with the coated coating is sent out from the coating mechanism;

the first direction intersects the second direction.

2. The cell coating device according to claim 1, wherein a limiting piece (5) is arranged on one side of the clamping piece (2) for clamping and fixing the cell (8), and the limiting piece (5) is used for limiting the movement of the cell (8) along the second direction.

3. The cell coating device according to claim 1, wherein a plurality of rollers (6) are provided on the bracket (1), and the cells (8) are placed on the rollers (6).

4. The cell coating device according to claim 1, wherein the first driving mechanism (3) is a double-stroke cylinder, and the double-stroke cylinder is arranged along the first direction and is fixedly connected with the clamping piece (2) respectively.

5. The cell encapsulation apparatus of claim 1, wherein the second drive mechanism includes a mounting plate (41) and a drive member (42);

the clamping piece (2) is arranged on the mounting plate (41);

the driving piece (42) is connected with the mounting plate (41) and is used for driving the mounting plate (41) to move along the second direction so as to drive the clamping piece (2) to synchronously move.

6. The cell coating device according to claim 5, wherein a first guide rail (411) arranged along the first direction is arranged on the mounting plate (41), and the clamping piece (2) is slidably connected with the first guide rail (411).

7. The cell coating device according to claim 5, wherein a second guide rail (412) arranged along the second direction is arranged on a side of the mounting plate (41) away from the clamping member (2), and the second guide rail (412) is used for guiding the movement direction of the mounting plate (41).

8. The cell encapsulation apparatus of claim 5, wherein the drive member (42) is a motor lead screw module.

9. The cell encapsulation apparatus of claim 5, wherein the second drive mechanism further comprises a connector (43);

the connecting piece (43) is arranged on one side, far away from the clamping piece (2), of the mounting plate (41) along the first direction, and two ends of the connecting piece (43) are fixedly connected with the clamping piece (2) respectively.

10. The cell coating device according to claim 1, wherein the coating mechanism comprises a coating roller (7);

the coating roller (7) is wound with an insulating film, and the coating roller (7) is used for coating the insulating film on two opposite side walls of the battery cell (8) in the process that the battery cell (8) moves along the second direction.