Diaphragm belt device

Abstract

The utility model belongs to the diaphragm production technical field discloses diaphragm connects the device, can through the first diaphragm of connecting the platform and the first pressure plate clamping, through the second diaphragm of connecting the platform and the second pressure plate clamping, then through the first end of first diaphragm and the tail end of second diaphragm are bonded with bonding structure, to realize automatic bonding, need not manual operation, in addition, since the first pressure plate and the second pressure plate of the diaphragm connecting device are independently set, can change the mode and order of pressing diaphragm according to actual operation needs, for example, through two pressure plates press two diaphragms simultaneously, or, control one of the pressure plates to press one of the diaphragms first, then control the other pressure plate to press the other diaphragm, still can only through one of the pressure plates to press one of the diaphragms, so that the operator carries out cutting or finishing to the end face of the diaphragm, thereby making the operation flexibility of the diaphragm connecting device stronger.

Description

Technical Field

[0001] This utility model relates to the field of diaphragm production technology, and in particular to a diaphragm splicing device. Background Technology

[0002] When the length of the lithium-ion battery separator is insufficient to meet the requirements, manual splicing is usually required, connecting the end of the old battery separator to the beginning of the new battery separator using special adhesive tape. However, manual splicing has drawbacks: it is time-consuming and prone to uneven ends or wrinkles, resulting in poor splicing performance. Utility Model Content

[0003] According to one aspect of the present invention, the present invention provides a diaphragm splicing device to solve the problems of long manual splicing operation time in the prior art, and the easy occurrence of uneven end faces or wrinkles, resulting in poor splicing effect.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] Diaphragm splicing device, comprising:

[0006] The rack is equipped with a tape receiving platform;

[0007] A first pressure plate is disposed on the tape receiving platform, and the tape receiving platform and the first pressure plate are used to clamp the first diaphragm;

[0008] The second pressure plate is disposed on the receiving platform, and the receiving platform and the second pressure plate are used to clamp the second diaphragm; the first pressure plate and the second pressure plate are spaced apart along the diaphragm transport direction, and the first end of the first diaphragm and the tail end of the second diaphragm are both located between the first pressure plate and the second pressure plate;

[0009] An adhesive structure is used to bond the first end of the first diaphragm to the tail end of the second diaphragm.

[0010] As a preferred embodiment of the diaphragm splicing device, both the first diaphragm and the second diaphragm are multilayer diaphragms;

[0011] The first pressure plate is provided with a first flip pressure plate, which can rotate relative to the first pressure plate to have a first clamping position and a first separation position. When the first flip pressure plate is in the first clamping position, the first flip pressure plate and the first pressure plate can clamp a portion of the membrane of the first diaphragm.

[0012] The second pressure plate is provided with a second flip pressure plate, which can rotate relative to the second pressure plate to have a second clamping position and a second separation position. When the second flip pressure plate is in the second clamping position, the second flip pressure plate and the second pressure plate can clamp a portion of the membrane of the second diaphragm.

[0013] As a preferred embodiment of the diaphragm splicing device, the first pressure plate is further provided with a first limiting member, wherein when the first flipping pressure plate is in the first separation position, the first flipping pressure plate abuts against the first limiting member; and / or

[0014] The second pressure plate is also provided with a second limiting member. When the second flip pressure plate is in the second separation position, the second flip pressure plate abuts against the second limiting member.

[0015] As a preferred embodiment of the diaphragm splicing device, both the first pressure plate and the second pressure plate are slidably disposed on the splicing platform; the diaphragm splicing device further includes a first driving member and a second driving member, the first driving member being used to drive the first pressure plate to slide relative to the splicing platform, so that the first pressure plate moves closer to or away from the splicing platform along a first direction; the second driving member being used to drive the second pressure plate to slide relative to the splicing platform, so that the second pressure plate moves closer to or away from the splicing platform along the first direction.

[0016] As a preferred embodiment of the diaphragm feeding device, the feeding platform has a groove extending in a direction perpendicular to the conveying direction of the diaphragm, and the groove is capable of accommodating the blade of a cutter.

[0017] As a preferred embodiment of the diaphragm feeding device, the feeding platform has two grooves, which are spaced apart along the conveying direction of the diaphragm.

[0018] As a preferred embodiment of the diaphragm bonding device, the bonding structure includes:

[0019] A support rod for the tape applicator is installed on the tape receiving platform;

[0020] A tape applicator is slidably mounted on the tape applicator support rod and is used to apply tape to the first end of the first diaphragm and the tail end of the second diaphragm.

[0021] As a preferred embodiment of the diaphragm bonding device, the bonding structure further includes a tape applicator drive, which is used to drive the tape applicator to slide relative to the tape applicator support rod.

[0022] As a preferred embodiment of the diaphragm belt splicing device, it further includes two diaphragm straightening rollers rotatably disposed on the frame. The two diaphragm straightening rollers are parallel and spaced apart. The first pressure plate and the second pressure plate are both located between the two diaphragm straightening rollers. The first diaphragm can abut against one of the diaphragm straightening rollers, and the second diaphragm can abut against the other diaphragm straightening roller.

[0023] As a preferred embodiment of the diaphragm splicing device, it further includes an unwinding roller disposed on the frame, wherein the first diaphragm is wound around the unwinding roller.

[0024] The beneficial effects of this utility model are:

[0025] This utility model provides a diaphragm splicing device for bonding a first diaphragm and a second diaphragm. The diaphragm splicing device includes a frame, a first pressure plate, a second pressure plate, and a bonding structure. The frame is equipped with a splicing platform; the first pressure plate is disposed on the splicing platform, and the splicing platform and the first pressure plate are used to clamp the first diaphragm; the second pressure plate is disposed on the splicing platform, and the splicing platform and the second pressure plate are used to clamp the second diaphragm; the first pressure plate and the second pressure plate are spaced apart along the diaphragm transport direction, and the beginning end of the first diaphragm and the end end of the second diaphragm are both located between the first pressure plate and the second pressure plate; the bonding structure is used to bond the beginning end of the first diaphragm and the end end of the second diaphragm. When it is necessary to bond the beginning end of the first diaphragm and the end end of the second diaphragm, the first diaphragm can be clamped by the splicing platform and the first pressure plate, the second diaphragm can be clamped by the splicing platform and the second pressure plate, and then the beginning end of the first diaphragm and the end end of the second diaphragm can be bonded by the bonding structure, so as to achieve automatic bonding without manual operation. Furthermore, since the first and second pressure plates of the diaphragm splicing device are independently set, the method and sequence of pressing the diaphragm can be changed according to actual operational needs. For example, the two pressure plates can be used to press the two diaphragms simultaneously, or one pressure plate can be controlled to press one diaphragm first, and then the other pressure plate can be controlled to press the other diaphragm. Alternatively, only one pressure plate can be used to press one diaphragm, so that the operator can cut or trim the end face of the diaphragm, thereby making the operation of the diaphragm splicing device more flexible. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the diaphragm splicing device in an embodiment of this utility model;

[0027] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0028] Figure 3 This is a cross-sectional view of the diaphragm splicing device in an embodiment of this utility model;

[0029] Figure 4 yes Figure 3 Enlarged view of point B in the middle.

[0030] In the picture:

[0031] 100. First diaphragm; 200. Second diaphragm;

[0032] 1. Mounting base; 11. Frame; 12. Tape receiving platform; 121. Groove;

[0033] 21. First pressure plate; 211. First limiting component; 22. Second pressure plate; 221. Second limiting component;

[0034] 31. First flip-over pressure plate; 311. First handle; 32. Second flip-over pressure plate; 321. Second handle;

[0035] 41. First driving component; 42. Second driving component;

[0036] 5. Adhesive structure; 51. Tape applicator support rod; 52. Tape applicator; 53. Tape applicator drive unit;

[0037] 6. Diaphragm alignment roller;

[0038] 7. Unwinding roller; 71. Tensioning roller. Detailed Implementation

[0039] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0040] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0041] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0042] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0043] When the length of the lithium-ion battery separator is insufficient to meet the requirements, manual splicing is usually required, connecting the end of the old battery separator to the beginning of the new battery separator using special adhesive tape. However, manual splicing has drawbacks: it is time-consuming and prone to uneven ends or wrinkles, resulting in poor splicing performance.

[0044] In response, this embodiment provides a diaphragm splicing device to solve the problems of long manual splicing operation time, uneven end faces or wrinkles, and poor splicing effect in the prior art. It can be used in the field of diaphragm production technology.

[0045] Reference Figures 1-4The diaphragm splicing device is used to bond the first diaphragm 100 and the second diaphragm 200. The diaphragm splicing device includes a frame 11, a first pressure plate 21, a second pressure plate 22, and a bonding structure 5. The frame 11 is provided with a splicing platform 12; the first pressure plate 21 is provided on the splicing platform 12, and the splicing platform 12 and the first pressure plate 21 are used to clamp the first diaphragm 100; the second pressure plate 22 is provided on the splicing platform 12, and the splicing platform 12 and the second pressure plate 22 are used to clamp the second diaphragm 200; the first pressure plate 21 and the second pressure plate 22 are spaced apart along the diaphragm transport direction, and the first end of the first diaphragm 100 and the tail end of the second diaphragm 200 are both located between the first pressure plate 21 and the second pressure plate 22; the bonding structure 5 is used to bond the first end of the first diaphragm 100 and the tail end of the second diaphragm 200. When it is necessary to bond the first end of the first diaphragm 100 to the tail end 200 of the second diaphragm, the first diaphragm 100 can be clamped by the bonding platform 12 and the first pressure plate 21, and the second diaphragm 200 can be clamped by the bonding platform 12 and the second pressure plate 22. Then, the bonding structure 5 is used to bond the first end of the first diaphragm 100 to the tail end of the second diaphragm 200, thus achieving automatic bonding without manual operation. In addition, since the first pressure plate 21 and the second pressure plate 22 of this diaphragm bonding device are independently set, the method and sequence of pressing the diaphragms can be changed according to actual operational needs. For example, the two pressure plates can press the two diaphragms simultaneously, or one pressure plate can be controlled to press one diaphragm first, and then the other pressure plate can be controlled to press the other diaphragm; or only one pressure plate can be used to press one diaphragm, so that the operator can cut or trim the end face of the diaphragm, thus making the operation of the diaphragm bonding device highly flexible.

[0046] In this embodiment, both the first diaphragm 100 and the second diaphragm 200 are multilayer diaphragms. However, a problem with the prior art for multilayer diaphragms is that if existing splicing devices are used to improve splicing efficiency, they can usually only bond the first layer of the two diaphragms, and cannot bond the remaining layers, thus affecting the splicing quality.

[0047] In this regard, we will continue to refer to Figures 1-4The first pressure plate 21 is provided with a first flipping pressure plate 31, which can rotate relative to the first pressure plate 21 to have a first clamping position and a first separation position. When the first flipping pressure plate 31 is in the first clamping position, the first flipping pressure plate 31 and the first pressure plate 21 can clamp a portion of the membrane of the first diaphragm 100. The second pressure plate 22 is provided with a second flipping pressure plate 32, which can rotate relative to the second pressure plate 22 to have a second clamping position and a second separation position. When the second flipping pressure plate 32 is in the second clamping position, the second flipping pressure plate 32 and the second pressure plate 22 can clamp a portion of the membrane of the second diaphragm 200. With this configuration, a portion of the membrane of the first diaphragm 100 can be flipped up and pressed down, and at the same time, a portion of the membrane of the second diaphragm 200 can be flipped up and pressed down. At this time, the membrane that has not been flipped up can be bonded. After the bonding is completed, the flipped-up membrane is restored, and the bonding of that portion of the membrane can continue.

[0048] Taking a double-layer diaphragm as an example, when it is necessary to bond the first end of the first diaphragm 100 to the tail end of the second diaphragm 200, the first diaphragm 100 can be clamped by the mounting base 1 and the first pressure plate 21, and the second diaphragm 200 can be clamped by the mounting base 1 and the second pressure plate 22. Then, the first flipping pressure plate 31 is rotated to the first separation position, and the first end of the first layer of the first diaphragm 100 is manually flipped onto the first pressure plate 21. Then, the first flipping pressure plate 31 is rotated to the first clamping position, and the first layer of the first diaphragm 100 is clamped by the first flipping pressure plate 31 and the first pressure plate 21. The second flipping pressure plate 32 is then rotated to the second separation position, and the first end of the first layer of the first diaphragm 100 is manually... The tail end of the second layer of the second diaphragm 200 is flipped onto the second pressure plate 22. Then, the second flipping pressure plate 32 is rotated to the second clamping position. The first layer of the second diaphragm 200 is clamped by the second flipping pressure plate 32 and the second pressure plate 22, so that the second layer of the first diaphragm 100 and the second layer of the second diaphragm 200 are exposed at the same time. The second layer of the first diaphragm 100 and the second layer of the second diaphragm 200 are bonded together by the adhesive structure 5. Then, the first layer of the first diaphragm 100 and the first layer of the second diaphragm 200 are restored and flattened. The first layer of the first diaphragm 100 and the first layer of the second diaphragm 200 are bonded together by the adhesive structure 5, thereby completing the connection of the double-layer diaphragm. Furthermore, if both the first diaphragm 100 and the second diaphragm 200 are multilayer diaphragms, such as three-layer, four-layer, or five-layer diaphragms, a similar method is used: first, the bottommost diaphragm of the first diaphragm 100 is bonded to the bottommost diaphragm of the second diaphragm 200, and then the upper layers of the first diaphragm 100 are bonded to the upper layers of the second diaphragm 200 in sequence.

[0049] Optionally, the first flip-over pressure plate 31 is connected to a first handle 311, which the user can grasp with their bare hands to control the rotation of the first flip-over pressure plate 31. In this embodiment, the first handle 311 is a bolt fixedly installed on the first flip-over pressure plate 31. The second flip-over pressure plate 32 is connected to a second handle 321, which the user can grasp with their bare hands to control the rotation of the second flip-over pressure plate 32. In this embodiment, the second handle 321 is a bolt fixedly installed on the second flip-over pressure plate 32.

[0050] Continue to refer to Figures 1-4 The first pressure plate 21 is also provided with a first limiting member 211. When the first flipping pressure plate 31 is in the first separated position, the first flipping pressure plate 31 abuts against the first limiting member 211, thereby limiting the first flipping pressure plate 31 and preventing it from continuing to flip to the position of the first diaphragm 100, which would damage the first diaphragm 100. And / or, the second pressure plate 22 is also provided with a second limiting member 221. When the second flipping pressure plate 32 is in the second separated position, the second flipping pressure plate 32 abuts against the second limiting member 221, thereby limiting the second flipping pressure plate 32 and preventing it from continuing to flip to the position of the second diaphragm 200, which would damage the second diaphragm 200. This embodiment exemplarily provides a scheme that simultaneously provides the first limiting member 211 and the second limiting member 221.

[0051] Continue to refer to Figures 1-4 Both the first pressure plate 21 and the second pressure plate 22 are slidably disposed on the tape-splitting platform 12; the diaphragm tape-splitting device also includes a first driving member 41 and a second driving member 42, the first driving member 41 being used to drive the first pressure plate 21 to slide relative to the tape-splitting platform 12, so that the first pressure plate 21 slides along a first direction (the first direction is...). Figure 4 The first direction (specifically the vertical direction in this embodiment) moves closer to or away from the tape receiving platform 12, thereby driving the first pressure plate 21 to move, pressing or releasing the first diaphragm 100; the second driving member 42 is used to drive the second pressure plate 22 to slide relative to the tape receiving platform 12, so that the second pressure plate 22 moves closer to or away from the tape receiving platform 12 along the first direction, thereby driving the second pressure plate 22 to move, pressing or releasing the second diaphragm 200.

[0052] Before bonding the first end of the first diaphragm 100 to the tail end of the second diaphragm 200, both need to be cut to remove excess material and ensure their end faces are flat. (Continue referring to...) Figures 1-4To facilitate cutting, the conveyor platform 12 has a groove 121. The extension direction of the groove 121 is perpendicular to the conveying direction of the diaphragm, and the groove 121 can accommodate the blade of the cutter. When cutting, the groove 121 provides clearance space, so that the cutter can be inserted into the groove 121 for easy cutting. In addition, the user can also use the groove 121 to position the cutting position.

[0053] Optionally, the conveyor platform 12 has two grooves 121, which are spaced apart along the conveying direction of the diaphragm. One groove 121 corresponds to the first end of the first diaphragm 100, which facilitates the user to cut and position the first end of the first diaphragm 100. The other groove 121 corresponds to the tail end of the second diaphragm 200, which facilitates the user to cut and position the tail end of the second diaphragm 200.

[0054] Continue to refer to Figures 1-4 The bonding structure 5 includes a tape applicator support rod 51 and a tape applicator 52. The tape applicator support rod 51 is disposed on the tape receiving platform 12. The tape applicator 52 is slidably disposed on the tape applicator support rod 51 and is used to apply tape to the first end of the first diaphragm 100 and the tail end of the second diaphragm 200. Specifically, the tape applicator support rod 51 is provided with a slide rail, and the tape applicator 52 slides in cooperation with the slide rail. The sliding direction of the tape applicator 52 is perpendicular to the conveying direction of the diaphragm, that is, the sliding direction of the tape applicator 52 is consistent with the width direction of the diaphragm and the extension direction of the groove 121, so that the tape applicator 52 can reciprocate along the width direction of the diaphragm, thereby applying tape to the first end of the first diaphragm 100 and the tail end of the second diaphragm 200.

[0055] Continue to refer to Figures 1-4 The bonding structure 5 also includes a tape applicator drive 53, which is used to drive the tape applicator 52 to slide relative to the tape applicator support rod 51. Thus, the tape applicator 52 can be driven to slide by the tape applicator drive 53 to achieve automated tape application.

[0056] Continue to refer to Figures 1-4 The diaphragm splicing device also includes two diaphragm alignment rollers 6 rotatably mounted on the frame 11. The two diaphragm alignment rollers 6 are parallel and spaced apart. A first pressure plate 21 and a second pressure plate 22 are both located between the two diaphragm alignment rollers 6. The first diaphragm 100 can abut against one of the diaphragm alignment rollers 6, and the second diaphragm 200 can abut against the other diaphragm alignment roller 6. The two diaphragm alignment rollers 6 have the same diameter, and their axes are located in the same horizontal plane. This arrangement ensures that the first diaphragm 100 and the second diaphragm 200, located between the two diaphragm alignment rollers 6, are at the same height, facilitating subsequent cutting and adhesive application.

[0057] Continue to refer to Figures 1-4The diaphragm feeding device also includes an unwinding roller 7 disposed on the frame 11. The first diaphragm 100 is wound around the unwinding roller 7. When the first diaphragm 100 is unwound, the unwinding roller 7 can rotate relative to the mounting base 1. Optionally, along the conveying path of the first diaphragm 100, a tensioning roller 71 is also disposed between the unwinding roller 7 and the diaphragm correction roller 6. The unwinding roller 7 and the diaphragm correction roller 6 are located on the first side of the first diaphragm 100, and the tensioning roller 71 is located on the second side of the first diaphragm 100. The first diaphragm 100 is in contact with the outer periphery of the tensioning roller 71. The position of the tensioning roller 71 can be adjusted to tension the first diaphragm 100 and prevent wrinkles from forming on the first diaphragm 100.

[0058] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A diaphragm splicing device, characterized in that, include: The frame (11) is equipped with a tape receiving platform (12). A first pressure plate (21) is disposed on the tape receiving platform (12), and the tape receiving platform (12) and the first pressure plate (21) are used to clamp the first diaphragm (100). The second pressure plate (22) is disposed on the receiving platform (12), and the receiving platform (12) and the second pressure plate (22) are used to clamp the second diaphragm (200); the first pressure plate (21) and the second pressure plate (22) are spaced apart along the diaphragm transport direction, and the first end of the first diaphragm (100) and the tail end of the second diaphragm (200) are both located between the first pressure plate (21) and the second pressure plate (22); An adhesive structure (5) is used to bond the first end of the first diaphragm (100) to the tail end of the second diaphragm (200).

2. The diaphragm splicing device according to claim 1, characterized in that, Both the first diaphragm (100) and the second diaphragm (200) are multilayer diaphragms; The first pressure plate (21) is provided with a first flip pressure plate (31). The first flip pressure plate (31) can rotate relative to the first pressure plate (21) to have a first clamping position and a first separation position. When the first flip pressure plate (31) is in the first clamping position, the first flip pressure plate (31) and the first pressure plate (21) can clamp a portion of the membrane of the first diaphragm (100). The second pressure plate (22) is provided with a second flip pressure plate (32). The second flip pressure plate (32) can rotate relative to the second pressure plate (22) to have a second clamping position and a second separation position. When the second flip pressure plate (32) is in the second clamping position, the second flip pressure plate (32) and the second pressure plate (22) can clamp a portion of the membrane of the second diaphragm (200).

3. The diaphragm splicing device according to claim 2, characterized in that, The first pressure plate (21) is also provided with a first limiting member (211). When the first flip pressure plate (31) is in the first separation position, the first flip pressure plate (31) abuts against the first limiting member (211); and / or, The second pressure plate (22) is also provided with a second limiting member (221). When the second flip pressure plate (32) is in the second separation position, the second flip pressure plate (32) abuts against the second limiting member (221).

4. The diaphragm splicing device according to claim 1, characterized in that, The first pressure plate (21) and the second pressure plate (22) are both slidably disposed on the tape-connecting platform (12); the diaphragm tape-connecting device further includes a first driving member (41) and a second driving member (42). The first driving member (41) is used to drive the first pressure plate (21) to slide relative to the tape-connecting platform (12) so that the first pressure plate (21) moves closer to or away from the tape-connecting platform (12) in a first direction; the second driving member (42) is used to drive the second pressure plate (22) to slide relative to the tape-connecting platform (12) so that the second pressure plate (22) moves closer to or away from the tape-connecting platform (12) in a first direction.

5. The diaphragm splicing device according to any one of claims 1-4, characterized in that, The receiving platform (12) has a groove (121) extending in a direction perpendicular to the conveying direction of the diaphragm, and the groove (121) is capable of accommodating the blade of the cutter.

6. The diaphragm splicing device according to claim 5, characterized in that, The receiving platform (12) has two grooves (121) that are spaced apart along the conveying direction of the diaphragm.

7. The diaphragm splicing device according to any one of claims 1-4, characterized in that, The adhesive structure (5) includes: A support rod (51) for the tape applicator is provided on the tape receiving platform (12). A tape applicator (52) is slidably mounted on the tape applicator support rod (51) and is used to apply tape to the first end of the first diaphragm (100) and the tail end of the second diaphragm (200).

8. The diaphragm splicing device according to claim 7, characterized in that, The adhesive structure (5) further includes a tape applicator drive (53), which is used to drive the tape applicator (52) to slide relative to the tape applicator support rod (51).

9. The diaphragm splicing device according to any one of claims 1-4, characterized in that, It also includes two diaphragm correction rollers (6) rotatably mounted on the frame (11). The two diaphragm correction rollers (6) are parallel and spaced apart. The first pressure plate (21) and the second pressure plate (22) are both located between the two diaphragm correction rollers (6). The first diaphragm (100) can abut against one of the diaphragm correction rollers (6), and the second diaphragm (200) can abut against the other diaphragm correction roller (6).

10. The diaphragm splicing device according to any one of claims 1-4, characterized in that, It also includes an unwinding roller (7) disposed on the frame (11), the first diaphragm (100) being wound around the unwinding roller (7).

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