Flattening mechanism and diaphragm conveying device

Abstract

The utility model discloses a smoothing mechanism and a diaphragm conveying device, the smoothing mechanism comprises a smoothing assembly and a connecting assembly, the smoothing assembly is movably connected with a first end of the connecting assembly, and a second end of the connecting assembly is used for being connected with a support; when the smoothing mechanism is in the first state, the smoothing assembly is located at the first position, and the smoothing assembly can make contact with a diaphragm and conduct smoothing. And when the smoothing mechanism is in the second state, the smoothing assembly is located at the second position, and the smoothing assembly can be far away from the membrane and avoid the membrane. Therefore, the position of the smoothing assembly can be flexibly adjusted according to working condition requirements. And moreover, due to the arrangement of the avoiding position, the film conveying device can stop smoothing without shutdown, the shutdown time is also reduced, and the production efficiency is conveniently improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field more specifically, the utility model relates to a kind of smoothing mechanism and diaphragm conveying device. BACKGROUND

[0002] In the processing of diaphragm, smoothing process is the key step to ensure that diaphragm surface is smooth and wrinkle-free. The traditional smoothing mechanism often uses fixed design, cannot be flexibly adjusted according to the movement or processing requirements of diaphragm, leading to inconvenient operation, affecting efficiency. Therefore, developing a kind of mechanism capable of flexibly adjusting the position of smoothing assembly is of great significance to improve diaphragm processing efficiency. SUMMARY

[0003] The utility model aims at providing a kind of new technical scheme of smoothing mechanism and diaphragm conveying device.

[0004] According to one aspect of the utility model, a kind of smoothing mechanism is provided, comprising:

[0005] Smoothing assembly and connecting assembly, the first end of the connecting assembly is movably connected with the smoothing assembly, and the second end of the connecting assembly is used to be connected with support;

[0006] When the smoothing mechanism is in the first state, the smoothing assembly is located at the first position, and the smoothing assembly can contact diaphragm and carry out smoothing;When the smoothing mechanism is in the second state, the smoothing assembly is located at the second position, and the smoothing assembly can be away from diaphragm and avoid.

[0007] Optionally, the smoothing assembly can rotate around the first end and move between the first position and the second position.

[0008] Optionally, the smoothing assembly includes mounting shaft, the first end has mounting portion, and the mounting shaft is connected with the mounting portion by pin.

[0009] Optionally, the smoothing assembly includes smoothing piece, counterweight and mounting shaft, the counterweight and the smoothing piece are sequentially arranged on the mounting shaft, and the smoothing piece can contact diaphragm, and the end of the mounting shaft away from the smoothing piece is movably connected to the connecting assembly.

[0010] Optionally, the counterweight includes a plurality of counterweight blocks, and a plurality of the counterweight blocks are detachably connected to the mounting shaft.

[0011] Optionally, the second end of the connecting assembly is movably connected with the support.

[0012] Optionally, one of the support and the connecting assembly is provided with a connecting hole, and the other of the support and the connecting assembly is provided with a matching piece, the matching piece being capable of moving along the connecting hole and driving the smoothing assembly to be opposite to the middle part of the conveying roller.

[0013] Optionally, the connecting hole is a waist-shaped hole, and the matching piece is capable of sliding along the length direction of the waist-shaped hole.

[0014] Optionally, the connecting assembly comprises a first connecting piece and a second connecting piece, the first connecting piece being used for connecting with the support, the second connecting piece being connected to the first connecting piece, and the smoothing assembly being movably connected with the second connecting piece.

[0015] Optionally, the first connecting piece is used for slidingly connecting with the support, the second connecting piece is slidingly connected with the first connecting piece, and the moving direction of the first connecting piece is perpendicular to the moving direction of the second connecting piece.

[0016] Optionally, the second connecting piece comprises a first sub-connecting piece and a second sub-connecting piece connected with each other, the first sub-connecting piece being movably connected with the smoothing assembly, and the second sub-connecting piece being connected to the first connecting piece.

[0017] Optionally, the connecting assembly further comprises an adjusting screw, the second sub-connecting piece being provided with the adjusting screw, and the adjusting screw being used for adjusting the smoothing angle of the smoothing assembly.

[0018] According to another aspect of the utility model, a diaphragm conveying device is provided, comprising the smoothing mechanism.

[0019] Optionally, the diaphragm conveying device comprises a conveying roller, two smoothing mechanisms and a support, the conveying roller and the smoothing mechanisms being connected to the support, and the two smoothing mechanisms being located on the two sides of the conveying roller in the axial direction.

[0020] One technical effect of the utility model lies in:

[0021] The smoothing mechanism comprises a smoothing assembly and a connecting assembly, the smoothing assembly being movably connected with the first end of the connecting assembly, and the second end of the connecting assembly being used for connecting with a support; when the smoothing mechanism is in a first state, the smoothing assembly is located at a first position, and the smoothing assembly can contact and smooth the diaphragm; when the smoothing mechanism is in a second state, the smoothing assembly is located at a second position, and the smoothing assembly can be away from the diaphragm and avoid. In this way, the position of the smoothing assembly can be flexibly adjusted according to the working condition requirement. Moreover, the setting of the avoiding position enables the diaphragm conveying device to stop smoothing without stopping, reduces the downtime, and facilitates the improvement of production efficiency.

[0022] Other features of the present application, and their particular applications, will become apparent from consideration of the following detailed description, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings, which form a part of the specification, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application.

[0024] Figure 1 is a first state schematic view of a smoothing mechanism of an embodiment of the present application;

[0025] Figure 2 is a second state schematic view of a smoothing mechanism of an embodiment of the present application;

[0026] Figure 3 is a structure schematic view of a smoothing mechanism of an embodiment of the present application.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 100, smoothing mechanism; 200, conveying roller; 300, support;

[0029] 1, smoothing assembly; 11, mounting shaft; 12, smoothing piece; 13, counterweight; 2, connecting assembly; 21, first connecting piece; 22, second connecting piece; 221, first sub-connecting piece; 222, second sub-connecting piece. DETAILED DESCRIPTION

[0030] Various example embodiments of the present application will now be described in detail with reference to the accompanying drawings. If not specifically stated otherwise, the description of the components and steps in these embodiments is not limiting and is only illustrative of the scope of the present application.

[0031] The following description of at least one example embodiment is merely illustrative in nature and is in no way limiting.

[0032] Techniques and devices known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, where appropriate, such known techniques and devices should be considered as part of the specification.

[0033] In all of the examples shown and discussed herein, any specific values should be interpreted as merely illustrative and not limiting. Thus, other examples of the example embodiments can have different values.

[0034] It should be noted that like references and characters herein relate to like items throughout the figures and the written description, and therefore, once an item is defined in one figure, it need not be discussed further in subsequent figures. Thus, the present application is well adapted to carry out the objects and attain the ends and advantages mentioned above as well as those that are inherent therein. While the application has been depicted, described, and is defined by reference to exemplary embodiments, such references do not imply a limitation on the scope of the application, and no such limitation is to be inferred. The disclosure can be modified in various ways, and such modifications are intended to be within the scope of the application.

[0035] The utility model provides a kind of smoothing mechanism 100, it can be used in each conveying link in battery production process, it can be smoothed to the battery membrane piece of conveying, avoid wrinkle.For example, the smoothing mechanism 100 can be applied to winding, it can also be applied to unwinding.

[0036] As Figures 1 to 3 Indicated, the smoothing mechanism 100 provided by the utility model includes:

[0037] Smoothing assembly 1 and connecting assembly 2, the first end of the smoothing assembly 1 is movably connected with the connecting assembly 2, and the second end of the connecting assembly 2 is used to be connected with support 300;

[0038] When the smoothing mechanism 100 is in the first state, the smoothing assembly 1 is located at the first position, and the smoothing assembly 1 can be in contact with the membrane piece and smoothed;When the smoothing mechanism 100 is in the second state, the smoothing assembly 1 is located at the second position, and the smoothing assembly 1 can be away from the membrane piece and avoid.

[0039] Specifically, the smoothing assembly 1 can include one or more smoothing wheels or smoothing plates, which can be in contact with the membrane piece and smoothed.The smoothing wheel or smoothing plate is usually made of soft and elastic material, such as silicone or polyurethane, which can avoid damage to the membrane piece during smoothing process.A micro-texture can also be designed on the surface of the smoothing wheel or smoothing plate to enhance its smoothing effect.

[0040] Wherein, the diameter and number of the smoothing wheel can be increased to improve the smoothing area and efficiency.A hardness layer can also be provided on the surface of the smoothing wheel to adapt to membrane pieces of different materials and thicknesses, thereby enhancing the smoothing ability of the smoothing mechanism 100.

[0041] The connecting assembly 2 is used to connect the smoothing assembly 1 and the support 300, and realize the flexible movement of the smoothing assembly 1.The connecting assembly 2 can include one or more connecting rods, hinges or sliding guide rails, etc., so that the smoothing assembly 1 can move between the first position and the second position.That is, the smoothing assembly 1 can freely switch between the smoothing state and the avoidance state, which can adapt to different processing or handling requirements, thereby improving the adaptability and practicality of the smoothing mechanism 100.

[0042] Wherein, the connecting assembly 2 can adopt sliding guide rail and servo motor, which can realize accurate control and rapid response of the smoothing assembly 1.A position sensor and feedback system can also be added to monitor the position state of the smoothing assembly 1 in real time, to ensure the accuracy and stability of operation.

[0043] In addition, the design of the connecting assembly 2 makes the movement of the smoothing assembly 1 simple, fast, reduces the operation difficulty and labor intensity. On the other hand, it is also convenient to maintain and replace the smoothing assembly 1, and improves the maintenance efficiency of the smoothing mechanism 100.

[0044] As shown in Figure 1 When the smoothing mechanism 100 is in the first state, the smoothing assembly 1 is adjusted to the first position, i.e. the working position, through the connecting assembly 2. At this time, the smoothing wheel of the smoothing assembly 1 can contact the surface of the film, and with the movement of the film, the smoothing wheel of the smoothing assembly 1 can uniformly smooth the film, eliminate wrinkles or bubbles, and thus improve the film quality.

[0045] When it is necessary to stop the smoothing operation or replace the film, etc., the smoothing mechanism 100 can be converted to the second state. As shown in 2, at this time, the smoothing assembly 1 can be adjusted to the second position, i.e. the avoiding position, by manual or automatic operation, so that the smoothing wheel of the smoothing assembly 1 can be away from the film to avoid interfering with the related process of the film or causing damage, which is simple and convenient to operate.

[0046] In addition, by flexibly adjusting the position of the smoothing assembly 1, the space of the film conveying device with the smoothing mechanism 100 can be more effectively utilized, and the space utilization is improved. At the same time, the setting of the avoiding position makes it possible to stop smoothing without stopping the film conveying device, which reduces the downtime and facilitates the improvement of production efficiency.

[0047] Optionally, the smoothing assembly 1 can rotate around the first end and move between the first position and the second position.

[0048] As shown in Figure 1 and Figure 2 The smoothing assembly 1 can rotate around the first end of the connecting assembly 2 and move between the first position, i.e. the smoothing position, and the second position, i.e. the avoiding position, so as to adapt to different processing or handling requirements, and improve the adaptability and practicality of the smoothing mechanism 100.

[0049] Among them, the smoothing assembly 1 can be designed to rotate around the first end of the connecting assembly 2 by mechanical structure; the position of the smoothing assembly 1 can also be adjusted manually.

[0050] In another embodiment, a guide rail can also be provided at the first end, and the smoothing assembly 1 can slide along the guide rail and move between the first position and the second position, which can also adapt to different processing or handling requirements, and improve the adaptability and practicality of the smoothing mechanism 100.

[0051] Optionally, the smoothing assembly 1 comprises a mounting shaft 11, the first end has a mounting portion, and the mounting shaft 11 is connected with the mounting portion by a pin.

[0052] As shown in Figure 3 The smoothing assembly 1 can be made of soft and elastic material to avoid damaging the film during the smoothing process. The smoothing wheel can rotate or move stably through the mounting shaft 11, thereby uniformly and effectively smoothing the film surface, eliminating wrinkles and bubbles, and improving the quality of the film.

[0053] The mounting shaft 11 is connected to the mounting portion by a latch, making the mounting and dismounting of the smoothing assembly 1 simple and fast, reducing the operation difficulty and labor intensity. At the same time, it is also convenient for users to adjust the position and angle of the smoothing assembly 1 according to actual needs to meet different smoothing needs.

[0054] Optionally, the smoothing assembly 1 comprises a smoothing piece 12, a counterweight 13, and a mounting shaft 11, the counterweight 13 and the smoothing piece 12 are sequentially arranged on the mounting shaft 11, the smoothing piece 12 can contact the film, and the end of the mounting shaft 11 away from the smoothing piece 12 is movably connected to the connecting assembly 2.

[0055] As shown in Figure 3 The counterweight 13 and the smoothing piece 12 are sequentially arranged on the mounting shaft 11, wherein the smoothing piece 12 is located on the outside and can contact and smooth the film; the counterweight 13 is located on the inside and is used to adjust the smoothing force to meet different smoothing needs.

[0056] The end of the mounting shaft 11 away from the smoothing piece 12 is movably connected to the connecting assembly 2, so that the smoothing assembly 1 can rotate or slide relative to the connecting assembly 2 to move between the first position, i.e. the smoothing position, and the second position, i.e. the avoiding position, thereby adapting to different processing or handling needs and improving the adaptability and practicality of the smoothing mechanism 100.

[0057] Optionally, the counterweight 13 comprises a plurality of counterweight blocks, and the plurality of counterweight blocks are detachably connected to the mounting shaft 11.

[0058] Specifically, a plurality of counterweight blocks are detachably connected to the mounting shaft 11, so that the number of counterweight blocks can be flexibly selected to be added or reduced according to the material, thickness or processing needs of the film, to adjust the total weight and balance of the smoothing assembly 1. When the smoothing mechanism 100 is in the first state, i.e. the working state, the smoothing assembly 1 can keep stable rotation or movement under the action of the counterweight blocks, thereby ensuring the accuracy and efficiency of the smoothing operation.

[0059] And, since the counterweight blocks are connected in a detachable manner, the counterweight blocks can be selectively added or reduced according to actual needs, thereby avoiding unnecessary waste. This design also reduces the precision requirements for the parts, further reducing the production cost and maintenance cost.

[0060] Optionally, the second end of the connecting assembly 2 is used to be movably connected with the support 300. That is, the connecting assembly 2 can slide or rotate relative to the support 300, thereby driving the smoothing assembly 1 to move, so as to be close to the middle part of the conveying member, facilitating the subsequent smoothing.

[0061] Optionally, one of the support 300 and the connecting assembly 2 has a connecting hole, and the other of the support 300 and the connecting assembly 2 has a matching piece, the matching piece being capable of moving along the connecting hole and driving the smoothing assembly 1 to be opposite to the middle part of the conveying roller 200.

[0062] As shown in Figure 3 , the connecting hole can be formed on the support 300, and the matching piece can be formed on the connecting assembly 2, or the connecting hole can be formed on the connecting assembly 2, and the matching piece can be formed on the support 300. By matching the matching piece with the connecting hole, the sliding connection of the connecting assembly 2 relative to the support 300 can be realized, so that the connecting assembly 2 can drive the smoothing assembly 1 to move, and the smoothing assembly 1 can be opposite to the middle part of the conveying roller 200, facilitating the reliable subsequent smoothing.

[0063] Among them, the mounting plate can be arranged on the support 300, and the connecting hole or the matching piece can be formed on the mounting plate, that is, the connecting assembly 2 is connected to the mounting plate, which can facilitate the assembly of the smoothing mechanism 100.

[0064] Optionally, the connecting hole is a waist-shaped hole, and the matching piece can slide along the length direction of the waist-shaped hole. As shown in Figure 3 , the length direction of the waist-shaped hole is the conveying direction of the diaphragm, that is, the connecting assembly 2 can drive the smoothing assembly 1 to move along the conveying direction, so that the smoothing assembly 1 can be opposite to the middle part of the conveying roller 200, facilitating the reliable subsequent smoothing.

[0065] Optionally, the connecting assembly 2 includes a first connecting piece 21 and a second connecting piece 22, the first connecting piece 21 is used to be connected with the support 300, the second connecting piece 22 is connected to the first connecting piece 21, and the smoothing assembly 1 is movably connected with the second connecting piece 22.

[0066] As shown in Figure 3As shown, by setting the connecting assembly 2 which can include the first connecting piece 21 and the second connecting piece 22, the assembly of the smoothing mechanism 100 can be simplified, and the assembly flexibility thereof can be improved. The first connecting piece 21 can be in an L-shaped structure, one side of which is connected with the support 300, and the other side of which is used for mounting the second connecting piece 22.

[0067] The first connecting piece 21 can be fixedly connected with the support 300, or can be slidably connected with the support 300, or can be rotatably connected with the support 300, so as to drive the smoothing assembly 1 to move through the first connecting piece 21, thereby being able to adapt to different sizes of the membrane.

[0068] The second connecting piece 22 can be fixedly connected with the first connecting piece 21, or can be slidably connected with the first connecting piece 21, or can be rotatably connected with the first connecting piece 21, so as to enhance the movement freedom of the smoothing assembly 1, facilitate adaptation to different smoothing requirements, and enhance the adaptation range of the smoothing mechanism 100.

[0069] Optionally, the first connecting piece 21 is slidably connected with the support 300, the second connecting piece 22 is slidably connected with the first connecting piece 21, and the movement direction of the first connecting piece 21 is perpendicular to the movement direction of the second connecting piece 22.

[0070] As shown in the figure, Figure 3 The first connecting piece 21 can slide on the support 300, the sliding direction of the first connecting piece 21 can be the conveying direction of the membrane, the second connecting piece 22 can slide on the first connecting piece 21, and the sliding direction of the second connecting piece 22 can be perpendicular to the conveying direction of the membrane, i.e., the axis direction of the conveying roller 200, so as to adjust the position of the smoothing assembly 1 from two directions, facilitate the smoothing assembly 1 to be opposite to the middle part of the conveying roller 200, and facilitate adaptation to different smoothing requirements and different sizes of the membrane, thereby enhancing the adaptation range of the smoothing mechanism 100.

[0071] Optionally, the second connecting piece 22 includes a first sub-connecting piece 221 and a second sub-connecting piece 222 connected with each other, the first sub-connecting piece 221 is movably connected with the smoothing assembly 1, and the second sub-connecting piece 222 is connected to the first connecting piece 21.

[0072] As shown in the figure, Figure 3As shown, the second connecting piece 22 can be provided with the first sub connecting piece 221 and the second sub connecting piece 222 connected thereto, so as to simplify the assembly of the smoothing mechanism 100 and improve the assembly flexibility thereof. According to actual requirements, the first sub connecting piece 221 and the second sub connecting piece 222 can be fixedly connected, or can be movably connected such as sliding or rotating, so as to further enhance the movement freedom of the smoothing assembly 1, facilitate adaptation to different smoothing requirements, and enhance the adaptation range of the smoothing mechanism 100.

[0073] Optionally, the connecting assembly 2 further comprises an adjusting screw, the second sub connecting piece 222 is provided with the adjusting screw, and the adjusting screw is used for adjusting the smoothing angle of the smoothing assembly 1.

[0074] Specifically, the adjusting screw can be arranged on the side of the second sub connecting piece 222 close to the first sub connecting piece 221, so as to drive the smoothing assembly 1 to move through the first sub connecting piece 221 and adjust the smoothing angle of the smoothing assembly 1; or the adjusting screw can be arranged on the side of the second sub connecting piece 222 close to the first connecting piece 21, so as to drive the smoothing assembly 1 to move through the second connecting piece 22 and adjust the smoothing angle of the smoothing assembly 1, both of which can adapt to different smoothing requirements.

[0075] The utility model also provides a diaphragm conveying device, including the smoothing mechanism 100. Figure 1 As shown, when the smoothing mechanism 100 is in the first state, the smoothing assembly 1 can smooth the diaphragm conveyed by the diaphragm conveying device, avoid wrinkles, and thus improve the quality of the diaphragm.

[0076] Optionally, the diaphragm conveying device comprises a conveying roller 200, two smoothing mechanisms 100 and a support 300, the conveying roller 200 and the smoothing mechanisms 100 are connected to the support 300, and the two smoothing mechanisms 100 are located on the two sides of the conveying roller 200 in the axial direction.

[0077] Specifically, the support 300 is the supporting basis of the entire diaphragm conveying device, which can be made of high-strength and corrosion-resistant materials such as stainless steel or aluminum alloy, so as to ensure the stability and durability of the diaphragm conveying device. The shape and size of the support 300 can be designed according to actual application scenarios, and it is usually designed as a frame type to facilitate installation and fixation.

[0078] As shown in Figure 1 and Figure 2 As shown, along the axial direction of the conveying roller 200, that is, perpendicular to the conveying direction of the diaphragm, the two smoothing mechanisms 100 are located on the two sides of the conveying roller 200, so that the two smoothing mechanisms 100 can smooth the diaphragm conveyed by the conveying roller 200 from both sides, further improving the smoothing effect.

[0079] The different optimization features between the various embodiments can be combined to form a more optimal embodiment as long as they are not contradictory, and will not be repeated here for the sake of brevity.

[0080] Although some specific embodiments of the present application have been described in detail by way of example with reference to the accompanying drawings, it is to be understood that the examples are for illustration only and that variations and modifications are possible without departing from the scope and spirit of the present application. It is to be understood that the above-described embodiments are merely examples and that variations and modifications can be made without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A soothing mechanism, characterized in that, The smoothing mechanism (100) comprises a smoothing assembly (1) and a connecting assembly (2), the first end of the connecting assembly (2) is movably connected with the smoothing assembly (1), and the second end of the connecting assembly (2) is used for being movably connected with a support (300). When the smoothing mechanism is in a first state, the smoothing assembly (1) is located at a first position, and the smoothing assembly (1) can be in contact with a diaphragm and perform smoothing; when the smoothing mechanism is in a second state, the smoothing assembly (1) is located at a second position, and the smoothing assembly (1) can be away from the diaphragm and perform avoidance. The smoothing assembly (1) can rotate around the first end and move between the first position and the second position.

2. The soothing mechanism of claim 1, wherein, The smoothing assembly (1) comprises a mounting shaft (11), the first end has a mounting portion, and the mounting shaft (11) is connected with the mounting portion by a pin.

3. The soothing mechanism of claim 2, wherein, The smoothing assembly (1) comprises a smoothing piece (12), a counterweight (13) and a mounting shaft (11), the counterweight (13) and the smoothing piece (12) are sequentially arranged on the mounting shaft (11), the smoothing piece (12) can be in contact with the diaphragm, and the end of the mounting shaft (11) away from the smoothing piece (12) is movably connected to the connecting assembly (2).

4. The soothing mechanism of claim 1, wherein, The counterweight (13) comprises a plurality of counterweight blocks, and the plurality of counterweight blocks are movably connected to the mounting shaft (11).

5. The soothing mechanism of claim 4, wherein, The second end of the connecting assembly (2) is movably connected with the support (300).

6. The soothing mechanism of claim 1, wherein, One of the support (300) and the connecting assembly (2) has a connecting hole, and the other of the support (300) and the connecting assembly (2) has a matching piece, the matching piece can move along the connecting hole and drive the smoothing assembly (1) to be opposite to the middle part of the conveying roller (200).

7. The soothing mechanism of claim 6, wherein, The connecting hole is a waist-shaped hole, and the matching piece can slide along the length direction of the waist-shaped hole.

8. The soothing mechanism of claim 7, wherein, The connecting assembly (2) comprises a first connecting piece (21) and a second connecting piece (22), the first connecting piece (21) is used for being connected with the support (300), the second connecting piece (22) is connected to the first connecting piece (21), and the smoothing assembly (1) is movably connected with the second connecting piece (22).

9. The soothing mechanism of claim 1, wherein, The first connecting piece (21) is used for being slidably connected with the support (300), the second connecting piece (22) is slidably connected with the first connecting piece (21), and the movement direction of the first connecting piece (21) is perpendicular to the movement direction of the second connecting piece (22).

10. The soothing mechanism of claim 9, wherein, The second connecting piece (22) comprises a first sub-connecting piece (221) and a second sub-connecting piece (222) connected with each other, the first sub-connecting piece (221) is movably connected with the smoothing assembly (1), and the second sub-connecting piece (222) is connected to the first connecting piece (21).

11. The soothing mechanism of claim 9, wherein, The connecting assembly (2) further comprises an adjusting screw, the second sub-connecting piece (222) is provided with the adjusting screw, and the adjusting screw is used for adjusting the smoothing angle of the smoothing assembly (1).

12. The soothing mechanism of claim 11, wherein, The smoothing mechanism (100) comprises the smoothing mechanism (100) according to any one of claims 1 to 12.

13. A membrane transport device characterized by, ​ 14. The membrane transport device of claim 13, wherein, The device comprises a conveying roller (200), two flattening mechanisms (100) and a support (300), the conveying roller (200) and the flattening mechanisms (100) are connected to the support (300), and the two flattening mechanisms (100) are located on both sides of the conveying roller (200) in the axial direction.

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