Flattening device and using method thereof

Abstract

The invention relates to a flattening device and a using method thereof. The flattening device comprises a support, a flattening assembly and an output assembly. The flattening assemblies are arranged on the support, and each flattening assembly comprises a first rotating roller, a second rotating roller and a pressure adjusting part. The first rotating roller and the second rotating roller are rotationally arranged on the support and arranged in the first direction. The pressure adjusting part is connected with the first rotating roller or the second rotating roller and used for driving the first rotating roller or the second rotating roller to move in the first direction so that pressure can be applied between the first rotating roller and the second rotating roller, and the sheet materials are conveyed in the second direction and penetrate through the position between the first rotating roller and the second rotating roller so that the sheet materials can be flattened. The output assembly is arranged on the support and used for outputting the flattened sheet materials. According to the flattening device, bubbles in the flaky materials can be discharged while the flaky materials are flattened, and the flatness of the flaky materials is improved.

Description

Technical Field

[0001] This application relates to the technical field of material processing, and particularly relates to a flattening device and a method for using the same. Background Art

[0002] As a composite material with both high strength and high modulus, carbon fiber prepreg (hereinafter referred to as prepreg) is made by a series of processes such as yarn spreading, hot pressing, and cooling of carbon fiber cloth, resin, and PE film or release paper. In the production process of prepreg, it is necessary to evenly lay film cloth such as PE film or release paper on the surface of the prepreg, and this process is called the film laminating process.

[0003] However, limited by the current film laminating process, bubbles are extremely likely to be generated between the prepreg and the film cloth during the film laminating process. These bubbles will cause the surface of the film cloth on the surface of the prepreg to bulge, seriously damaging the flatness of the film-laminated prepreg and being unfavorable for the production of the film-laminated prepreg. Summary of the Invention

[0004] To overcome the problems existing in the related art, this application provides a flattening device and a method for using the same.

[0005] According to an embodiment of the present disclosure, in a first aspect, a flattening device is provided, including: a bracket;

[0006] At least one set of flattening components disposed on the bracket, wherein each set of the flattening components includes a first rotating roller, a second rotating roller, and a pressure adjusting part;

[0007] The first rotating roller and the second rotating roller are respectively rotatably disposed on the bracket and arranged along a first direction; the pressure adjusting part is connected to the first rotating roller or the second rotating roller, and is used to drive the first rotating roller or the second rotating roller to move along the first direction to apply pressure between the first rotating roller and the second rotating roller. The sheet material is conveyed along a second direction and passes through between the first rotating roller and the second rotating roller for flattening, and the second direction is perpendicular to the first direction;

[0008] An output component disposed on the bracket, for outputting the flattened sheet material.

[0009] In some embodiments, the flattening device includes multiple sets of the flattening components, and there is a first gap between the first rotating roller and the second rotating roller of each set of the flattening components;

[0010] Along the conveying direction of the sheet material, the first gaps of the multiple sets of the flattening components gradually decrease.

[0011] In some embodiments, along the second direction, a transition platform is provided between two adjacent first rotating rollers or two adjacent second rotating rollers. The transition platform is used to support the sheet material to reduce the conveying resistance, and a first buffer layer is provided on the surface of the transition platform.

[0012] In some embodiments, the edge of the transition platform extends towards the adjacent first rotating roller or the second rotating roller to form a transition section, and there is a gap between the outer surface of the transition section and the adjacent first rotating roller or the second rotating roller.

[0013] In some embodiments, a second buffer layer is provided on the outer circumferential surface of the first rotating roller and / or the second rotating roller.

[0014] In some embodiments, the pressure adjusting part includes: a telescopic member and an elastic member;

[0015] One end of the telescopic member is connected to the bracket, the other end of the telescopic member is connected to the first rotating roller or the second rotating roller, and the telescopic member expands and contracts along the first direction;

[0016] The elastic member is connected to the telescopic member, and the elastic member is used to provide an elastic force along the first direction for the telescopic member.

[0017] In some embodiments, the flattening device further includes a displacement adjusting assembly. The displacement adjusting assembly is provided on the bracket, and the displacement adjusting assembly is connected to the pressure adjusting part of at least one group of the flattening assemblies to adjust the position of the pressure adjusting part in the first direction.

[0018] In some embodiments, the output assembly includes a first output roller, a second output roller, a spacing adjusting part and a driving part;

[0019] The first output roller and the second output roller are respectively rotatably provided on the bracket and arranged along the first direction;

[0020] The spacing adjusting part is provided on the bracket, and the spacing adjusting part is used to adjust the gap between the first output roller and the second output roller;

[0021] The driving part is connected to the first output roller and / or the second output roller, and the driving part is used to drive the first output roller and / or the second output roller to rotate to drive the sheet material located between the first output roller and the second output roller to be output.

[0022] In some embodiments, two pressure adjusting parts are provided for the flattening assembly, and the two pressure adjusting parts are symmetrically provided at both ends of the first rotating roller or the second rotating roller respectively.

[0023] A method of using a flattening device, using the flattening device as described in the first aspect, the method of using the flattening device includes the following steps:

[0024] Transport the sheet material along the second direction so that the sheet material passes through at least one set of flattening components of the flattening device;

[0025] Dynamically adjust the pressure between the first rotating roller and the second rotating roller of the flattening component through the pressure adjustment part of the flattening component to flatten the sheet material;

[0026] Output the flattened sheet material through the output component of the flattening device.

[0027] The technical solutions provided in the embodiments of the present application may include the following beneficial effects: In the flattening device of the present application, the bracket provides a stable support structure for the entire device, ensuring that each component can operate stably. Using the flattening component in the present application can effectively flatten the sheet material while discharging the air bubbles in the sheet material, improving the flatness of the sheet material. The pressure adjustment part can drive the first rotating roller or the second rotating roller to move along the first direction and apply pressure to precisely control the flattening force according to the thickness and material of the sheet material, so that the device can be applicable to different sheet materials. The sheet material is transported along the second direction perpendicular to the first direction, so that the sheet material can be evenly pressed during the transportation process, avoiding the situation of uneven local flattening. The presence of the output component enables the flattened sheet material to be output orderly and efficiently. The flattening device of the present application improves the quality and efficiency of the flattening process of the sheet material.

[0028] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. Brief Description of the Drawings

[0029] The drawings here are incorporated into the specification and constitute a part of this specification, showing the embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application.

[0030] Figure 1 is a perspective view of a flattening device shown according to an exemplary embodiment.

[0031] Figure 2 is a perspective view of another angle of the flattening device shown according to an exemplary embodiment.

[0032] Figure 3 is Figure 2 an enlarged view of part A in

[0033] Figure 4 is a front view of the flattening device shown according to an exemplary embodiment.

[0034] Figure 5 It is a schematic structural diagram of a pressure regulating part shown according to an exemplary embodiment.

[0035] Figure 6 It is a method of using a flattening device shown according to an exemplary embodiment.

[0036] Reference numerals:

[0037] 1. Bracket;

[0038] 2. Flattening assembly; 21. First rotating roller; 22. Second rotating roller; 23. Pressure regulating part; 231. Telescopic member; 2311. Fixed rod; 2312. Telescopic cylinder; 232. Elastic member; 233. Limiting member; 2331. Limiting block; 2332. Positioning rod;

[0039] 3. Output assembly; 31. First output roller; 32. Second output roller; 33. Spacing regulating part; 331. First cylinder; 332. Support frame; 34. Driving part;

[0040] 4. Transition platform; 41. First buffer layer; 42. Transition section;

[0041] 5. Displacement regulating assembly; 51. Connecting plate; 52. Second cylinder;

[0042] 6. Connecting rod;

[0043] X. Second direction; Y. First direction; Z. Third direction. Detailed implementation manners

[0044] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the present application. On the contrary, they are only examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0045] Carbon fiber prepreg (hereinafter referred to as prepreg), as a composite material with both high strength and high modulus, is made by a series of processes such as spreading yarn, hot pressing, and cooling of carbon fiber cloth, resin, and PE film or release paper, etc. In the production process of prepreg, it is necessary to evenly lay film cloth such as PE film or release paper on the surface of the prepreg, and this process is called the film covering process.

[0046] However, limited by the current film laminating process, air bubbles are extremely likely to form between the prepreg and the film during the film laminating process. These air bubbles will cause the surface of the prepreg to bulge, seriously damaging the flatness of the film-laminated prepreg and being unfavorable for the production of the film-laminated prepreg.

[0047] The present application provides a flattening device, which includes a bracket 1, a flattening assembly 2 and an output assembly 3. The flattening device is used to flatten the prepreg while discharging the air bubbles in the prepreg. Of course, the device of the present application is also applicable to other sheet materials, such as optical films, lithium battery electrodes or papers, etc., and can be used to flatten these sheet materials while discharging the air bubbles in the sheet materials to improve the flatness of the sheet materials.

[0048] The bracket 1 serves as the basic support structure of the flattening device, facilitating the installation of other components. The material of the bracket 1 can be stainless steel, aluminum alloy or cast steel. The bracket 1 can be an integrally formed structure, or can be welded by multiple profiles, or the bracket 1 can also be a detachable structure, which is convenient for movement and assembly.

[0049] The flattening assembly 2 is arranged on the bracket 1. The flattening assembly 2 includes a first rotating roller 21, a second rotating roller 22 and a pressure adjusting part 23. The first rotating roller 21 and the second rotating roller 22 are respectively rotatably arranged on the bracket 1. The first rotating roller 21 and the second rotating roller 22 are arranged along a first direction. Among them, the first direction is also the Figure 1 and Figure 2 Y direction shown in, the axes of the first rotating roller 21 and the second rotating roller 22 are parallel, and there is a gap between the first rotating roller 21 and the second rotating roller 22 for the sheet material to pass through.

[0050] The pressure adjusting part 23 is connected to the first rotating roller 21 or the second rotating roller 22, and is used to drive the first rotating roller 21 or the second rotating roller 22 to move along the first direction to apply pressure between the first rotating roller 21 and the second rotating roller 22.

[0051] In one embodiment, the pressure adjusting part 23 is connected to the first rotating roller 21 to drive the first rotating roller 21 to move along the first direction. When the sheet material passes between the first rotating roller 21 and the second rotating roller 22, the pressure adjusting part 23 drives the first rotating roller 21 to apply pressure to the sheet material.

[0052] In another embodiment, the pressure adjusting part 23 is connected to the second rotating roller 22 to drive the second rotating roller 22 to move along the first direction. When the sheet material passes between the first rotating roller 21 and the second rotating roller 22, the pressure adjusting part 23 drives the second rotating roller 22 to apply pressure to the sheet material.

[0053] In other embodiments, one or two pressure regulating parts 23 may be provided. When there is one pressure regulating part 23, both the first rotating roller 21 and the second rotating roller 22 are connected to the pressure regulating part 23. When there are two pressure regulating parts 23, one pressure regulating part 23 is connected to the first rotating roller 21, and the other pressure regulating part 23 is connected to the second rotating roller 22. When the sheet material passes between the first rotating roller 21 and the second rotating roller 22, the pressure regulating part 23 drives the first rotating roller 21 and the second rotating roller 22 to apply pressure to the sheet material at the same time.

[0054] During the continuous conveying of the sheet material along the second direction, the second direction is also Figure 1 and Figure 2 In the X direction shown in the figure, the pressure regulating unit 23 applies pressure between the first rotating roller 21 and the second rotating roller 22 to flatten the sheet material, and at the same time, the bubbles inside the sheet material are driven to the tail of the conveying direction by squeezing and discharged. The second direction is perpendicular to the first direction, that is, the conveying direction of the sheet material is perpendicular to the moving direction of the first rotating roller 21.

[0055] The pressure regulating part 23 is not only used to apply pressure, but also the pressure applied by the pressure regulating part 23 can be adjusted according to sheet materials of different thicknesses or materials, so that the device can be used to flatten different sheet materials.

[0056] For the first direction, in some embodiments, when the first direction is horizontal, the first rotating roller 21 and the second rotating roller 22 are arranged horizontally, and the sheet material is transported vertically and passes between the first rotating roller 21 and the second rotating roller 22. When the first direction is vertical, the first rotating roller 21 and the second rotating roller 22 are arranged vertically, and the sheet material is transported horizontally. In addition, in other embodiments, the first direction can also be a direction at a certain angle to the horizontal direction to meet different working conditions.

[0057] When the sheet material is transported between the first rotating roller 21 and the second rotating roller 22, a conveying device may be provided to pull the sheet material to move. Alternatively, instead of providing a conveying device, at least one of the first rotating roller 21 and the second rotating roller 22 may be connected to a power source, so that when the first rotating roller 21 and / or the second rotating roller 22 are driven to rotate, the first rotating roller 21 and the second rotating roller 22 apply pressure to the sheet material to flatten and discharge air bubbles, and at the same time, the sheet material may be driven to move, so that the first rotating roller 21 and the second rotating roller 22 have the functions of both flattening and transporting the sheet material.

[0058] Of course, the flattening component 2 of the present application can not only flatten the sheet material and discharge the bubbles inside, but can also be used only to flatten the sheet material to make its surface flat and smooth.

[0059] The output component 3 is arranged on the bracket 1 and is used to output the flattened sheet material.

[0060] In one embodiment, the structure of the output component 3 can be the same as that of the first rotating roller 21 and the second rotating roller 22. In some embodiments, the output component 3 also has a guiding function to guide the sheet material, ensuring that the sheet material will not shift during the output process.

[0061] In the flattening device of the present application, the bracket 1 provides a stable support structure for the entire device, ensuring that each component can operate stably. The flattening component 2 in the present application can effectively flatten the sheet material while discharging the air bubbles in the sheet material, improving the flatness of the sheet material. The pressure adjustment part 23 can drive the first rotating roller 21 or the second rotating roller 22 to move along the first direction and apply pressure, so as to accurately control the flattening force according to the thickness and material of the sheet material, making its application range wider. The sheet material is conveyed in a second direction perpendicular to the first direction, so that the sheet material can be evenly pressed during the conveying process, avoiding the situation of uneven local flattening. The presence of the output component 3 enables the flattened sheet material to be output orderly and efficiently. The flattening device of the present application improves the quality and efficiency of the flattening process of the sheet material.

[0062] In such as Figure 1 and Figure 2 In the shown embodiment, the bracket 1 is formed by welding multiple profiles. Three groups of flattening components 2 are arranged. Among them, the first rotating roller 21 is arranged on the bracket 1 through the pressure adjustment part 23. The second rotating roller 22 is located below the first rotating roller 21. Both ends of the second rotating roller 22 are arranged on the bracket 1 through bearing seats, and one of the second rotating rollers 22 is connected to a motor, and the motor drives one of the second rotating rollers 22 to rotate. The pressure adjustment part 23 drives the first rotating roller 21 to move up and down, so that the first rotating roller 21 applies a downward pressure. When the sheet material passes through, the first rotating roller 21 squeezes one side of the sheet material downward, and the other side of the sheet material is supported by the second rotating roller 22 to flatten the sheet material. After the sheet material is flattened, it is output from the device through the output component 3.

[0063] In some embodiments, the flattening device includes multiple groups of flattening components 2, and there is a first gap between the first rotating roller 21 and the second rotating roller 22 of each group of flattening components 2. Along the conveying direction of the sheet material, the first gaps of multiple groups of flattening components 2 gradually decrease.

[0064] When the sheet material enters the flattening device, it first passes through the first set of flattening components 2. The first gap of the first set of flattening components 2 is relatively large, which can allow the sheet material with a larger thickness or more and larger bubbles to pass through smoothly. During this process, the sheet material is initially subjected to the pressure of the first rotating roller 21 and the second rotating roller 22, and the large bubbles will be pressed into small bubbles. As the sheet material continues to be conveyed forward and enters the second flattening component 2, the first gap of the second flattening component 2 is smaller than that of the first flattening component 2. The sheet material will be subjected to greater pressure, further pressing the small bubbles into even smaller bubbles. And so on. When the sheet material passes through multiple sets of flattening components 2, the gradually decreasing first gap of each group will make the sheet material subjected to greater pressure, thus continuously carrying out fine flattening treatment on the sheet material.

[0065] The setting of multiple sets of flattening components 2 can flatten the sheet material in stages and hierarchically by gradually reducing the first gap, avoiding the problem that the sheet material may be damaged due to excessive pressure applied at one time, and improving the flattening effect. And because the pressure is applied in stages, the pressure borne by the multiple flattening components 2 can be relatively uniform, and there will be no situation of instantaneously bearing excessive pressure, thus extending the service life.

[0066] In the embodiment as Figure 4 shown, three sets of flattening components 2 are provided. The three sets of flattening components 2 are arranged along the second direction, and the tops of the three second rotating rollers 22 are located on the same plane. The positions of the three first rotating rollers 21 are different in the first direction, so that the first gaps of the three sets of flattening components 2 gradually decrease.

[0067] In some embodiments, along the second direction, a transition platform 4 is provided between two adjacent first rotating rollers 21 or between two adjacent second rotating rollers 22. The transition platform 4 is used to support the sheet material to reduce the conveying resistance, and a first buffer layer 41 is provided on the surface of the transition platform 4.

[0068] The transition platform 4 can be provided between two adjacent first rotating rollers 21, or between two adjacent second rotating rollers 22, or a transition platform 4 can be provided both between two adjacent first rotating rollers 21 and between two adjacent second rotating rollers 22.

[0069] Along the third direction, that is Figure 1 and Figure 2 the Z direction shown in, the length of the transition platform 4 is the same as the lengths of the first rotating roller 21 and the second rotating roller 22, and can cover the entire width range of the sheet material. The third direction is perpendicular to both the first direction and the second direction. The projection of the transition platform 4 in the third direction is trapezoidal or rectangular. When the projection is trapezoidal, the longer side of the trapezoidal base is closer to the sheet material.

[0070] The setting of the transition platform 4 provides a continuous supporting surface for the sheet material, enabling the sheet material to be conveyed on a relatively flat surface and improving the conveying efficiency.

[0071] The first buffer layer 41 provided on the surface of the transition platform 4 is at least one of rubber or silica gel. The first buffer layer 41 plays a buffering role to prevent the sheet material from directly colliding rigidly with the hard surface of the transition platform 4.

[0072] In some embodiments, the edge of the transition platform 4 extends towards the adjacent first rotating roller 21 or second rotating roller 22 to form a transition section 42. There is a certain gap between the outer surface of the transition section 42 and the adjacent first rotating roller 21 or second rotating roller 22. The material of the transition section 42 is the same as that of the first buffer layer 41, and the transition section 42 is at least one of rubber or silica gel. In one embodiment, the transition section 42 can be integrally formed with the buffer layer.

[0073] There is a gap between the outer surface of the transition section 42 and the adjacent first rotating roller 21 or second rotating roller 22, and this gap is 1 mm - 3 mm. The setting of this gap, on the one hand, avoids the contact and friction between the transition section 42 and the first rotating roller 21 or second rotating roller 22, reducing unnecessary energy loss and equipment wear; on the other hand, it ensures that the sheet material can be smoothly transitioned.

[0074] In the embodiment as Figures 1 to 3 shown, along the third direction, the lengths of the first rotating roller 21 and the second rotating roller 22 are the same as the length of the transition platform 4. Two transition platforms 4 are provided, and the transition platforms 4 are located between two adjacent second rotating rollers 22. As Figure 4 shown, the transition platform 4 is hollow. The projection of the transition platform 4 in the third direction is a trapezoid with the top side longer than the bottom side, and the trapezoid extends to one side of the second rotating roller 22. A rubber layer is provided on the side of the transition platform 4 in contact with the sheet material. The edge of the rubber layer extends to the second rotating roller 22 to form the transition section 42. The transition section 42 and the buffer layer are in the same plane. Denote the plane where the transition section 42 and the buffer layer are located as the first plane, and the top end of the second rotating roller 22 is located in the first plane. And there is a gap and no contact between the second rotating roller 22 and the transition section 42.

[0075] In some embodiments, a second buffer layer is provided on the outer circumferential surface of the first rotating roller 21. Or a second buffer layer is provided on the outer circumferential surface of the second rotating roller 22. Alternatively, second buffer layers are provided on the outer circumferential surfaces of both the first rotating roller 21 and the second rotating roller 22. The material of the second buffer layer can be at least one of rubber and silica gel.

[0076] The second buffer layer not only prevents the sheet material from directly contacting the hard roller surface, preventing scratches and wear, and improving the appearance quality and integrity of the product, but also plays a role in buffering and dispersing pressure, enabling the pressure to be applied more evenly on the sheet material and reducing indentation and deformation problems caused by pressure concentration.

[0077] In some embodiments, the pressure adjusting part 23 includes a telescopic member 231 and an elastic member 232. One end of the telescopic member 231 is connected to the bracket 1, and the other end of the telescopic member 231 is connected to the first rotating roller 21 or the second rotating roller 22. The telescopic member 231 telescopes along the first direction. The elastic member 232 is connected to the telescopic member 231, and the elastic member 232 is used to provide an elastic force along the first direction for the telescopic member 231.

[0078] The telescopic member 231 can be a telescopic rod or a hydraulic cylinder.

[0079] The elastic member 232 can be a spring. When the sheet material passes through, the elastic force of the elastic member 232 is used to squeeze the sheet material, making the air bubbles in the sheet material smaller, or driving the small air bubbles to the tail of the sheet material and discharging them as the sheet material is conveyed.

[0080] In some embodiments, a limiting member 233 can also be provided to limit the telescopic amount of the telescopic member 231, avoiding rigid collision between the rotating roller and the bracket 1 structure due to excessive pressure adjustment and preventing damage to the equipment components.

[0081] In the embodiment as Figure 4 shown, the telescopic member 231 includes a fixed rod 2311 and a telescopic cylinder 2312. The limiting member 233 includes a limiting block 2331 and a positioning rod 2332. The cross-sectional diameter of the positioning rod 2332 is larger than the cross-sectional diameter of the fixed rod 2311 and smaller than the cross-sectional diameter of the telescopic cylinder 2312. The positioning rod 2332 is provided with internal threads, and the fixed rod 2311 is provided with external threads. The fixed rod 2311 and the positioning rod 2332 are threadedly connected. The telescopic cylinder 2312 is coaxially sleeved on the fixed rod 2311 and the positioning rod 2332. The limiting block 2331 is connected to one end of the telescopic cylinder 2312. The limiting block 2331 cooperates with the positioning rod 2332 to limit the maximum distance that the telescopic cylinder 2312 can move. The limiting block 2331 is cylindrical, and the cross-sectional diameter of one end of the limiting block 2331 is the same as the cross-sectional diameter of the telescopic cylinder 2312 and is connected to the telescopic cylinder 2312. The cross-sectional diameter of the other end is larger than the cross-sectional diameter of the fixed rod 2311 and smaller than the cross-sectional diameter of the positioning rod 2332. The telescopic cylinder 2312 and the fixed rod 2311 form a telescopic rod, and the positioning rod 2332 and the limiting block 2331 form the limiting member 233. When the positioning rod 2332 and the limiting block 2331 are engaged, it is the maximum elongation of the telescopic rod. The elastic member 232 is a spring, and the spring is sleeved outside the fixed rod 2311 and the telescopic cylinder 2312. One end of the spring is connected to the fixed rod 2311, and the other end is connected to the telescopic cylinder 2312.

[0082] In some embodiments, the flattening device further includes a displacement adjustment assembly 5. The displacement adjustment assembly 5 is disposed on the bracket 1. The displacement adjustment assembly 5 is connected to the pressure adjustment portion 23 of at least one set of flattening assemblies 2. The displacement adjustment assembly 5 is used to adjust the position of the pressure adjustment portion 23 in the first direction.

[0083] In some embodiments, two pressure adjustment portions 23 are provided on the flattening assembly 2. The two pressure adjustment portions 23 are symmetrically disposed at both ends of the first rotating roller 21 and the second rotating roller 22 respectively. The arrangement of the two pressure adjustment portions 23 can make the first rotating roller 21 or the second rotating roller 22 receive uniform pressure, and has a better flattening effect.

[0084] In such Figures 1 to 2 and Figure 5 In the shown embodiment, the two pressure adjustment portions 23 are respectively located at both ends of the first rotating roller 21. A first connecting head is provided at one end of the pressure adjustment portion 23, and a bearing is provided inside the first connecting head. The first rotating roller 21 passes through the bearing to complete the connection between the first rotating roller 21 and the pressure adjustment portion 23. A second connecting head is provided at the other end of the pressure adjustment portion 23. The two pressure adjustment portions 23 connected to the first rotating roller 21 are connected by a connecting rod 6. The connecting rod 6 passes through the two second connecting heads, and the connecting rod 6 is disposed on the bracket 1.

[0085] In one embodiment, the number of the displacement adjustment assemblies 5 is one. One displacement adjustment assembly 5 is connected to all the pressure adjustment portions 23 for adjusting the positions of all the pressure adjustment portions 23. In another embodiment, the number of the displacement adjustment assemblies 5 is the same as the number of the pressure adjustment portions 23. Multiple displacement adjustment assemblies 5 are connected to multiple pressure adjustment portions 23 in a one-to-one correspondence to respectively adjust the positions of different pressure adjustment portions 23.

[0086] The setting of the displacement adjustment assembly 5 facilitates adjusting the positions of the pressure adjustment portion 23 and the first rotating roller 21 connected to the pressure adjustment portion 23 according to the thickness of the sheet material.

[0087] In such Figures 1 to 2 and Figure 4 In the shown embodiment, one displacement adjustment assembly 5 is provided. The displacement adjustment assembly 5 includes a connecting plate 51 and a second air cylinder 52. The connecting rods 6 for connecting the two pressure adjustment portions 23 are all disposed on the connecting plate 51. The fixed end of the second air cylinder 52 is disposed on the bracket 1, and the telescopic end of the second air cylinder 52 is disposed on the connecting plate 51. The telescopic movement of the second air cylinder 52 drives the connecting plate 51 to move in the first direction. The connecting plate 51 drives the connecting rod 6 to move in the first direction. The connecting rod 6 drives the multiple pressure adjustment portions 23 to move in the first direction. The multiple pressure adjustment portions 23 respectively drive the first rotating roller 21 to move in the first direction.

[0088] In some embodiments, the output component 3 includes a first output roller 31 and a second output roller 32. The first output roller 31 and the second output roller 32 are respectively rotatably arranged on the bracket 1, and the first output roller 31 and the second output roller 32 are arranged along a first direction. The output component 3 further includes a gap adjustment part 33 and a driving part 34 arranged on the bracket 1. The gap adjustment part 33 is used to adjust the gap between the first output roller 31 and the second output roller 32. The driving part 34 is connected to at least one of the first output roller 31 and the second output roller 32, and is used to drive the first output roller 31 or the second output roller 32 to rotate so as to drive the sheet material located between the first output roller 31 and the second output roller 32 to be output.

[0089] Among them, the first output roller 31 and the second output roller 32 can be the same as the first rotating roller 21 and the second rotating roller 22. The same-specification components are convenient for production and reduce production costs. A third buffer layer can also be provided on the surfaces of the first output roller 31 and the second output roller 32. The material of the third buffer layer can be the same as or different from the material of the second buffer layer. The setting of the third buffer layer is convenient for increasing the friction with the sheet material, driving the sheet material to be output, and can also protect the sheet material to avoid wear of the sheet material.

[0090] In one embodiment, the gap adjustment part 33 is connected to the first output roller 31, the position of the second output roller 32 is fixed, and the second output roller 32 and the second rotating roller 22 are located in the same plane. The gap adjustment part 33 adjusts the gap between the first output roller 31 and the second output roller 32 by adjusting the position of the first output roller 31 in the first direction.

[0091] In another embodiment, the gap adjustment part 33 is connected to the second output roller 32, the position of the first output roller 31 is fixed, and the gap adjustment part 33 is used to adjust the position of the second output roller 32 in the first direction to adjust the gap between the first output roller 31 and the second output roller 32.

[0092] In other embodiments, the gap adjustment part 33 is connected to both the first output roller 31 and the second output roller 32, and is used to respectively adjust the positions of the first output roller 31 and the second output roller 32 in the first direction to adjust the gap between the first output roller 31 and the second output roller 32.

[0093] The gap adjustment part 33 can be a cylinder or an electric lead screw.

[0094] The setting of the gap adjustment part 33 can make the output component 3 applicable to sheet materials of different thicknesses, making its application range wider.

[0095] In one embodiment, the driving part 34 is only connected to the first output roller 31 to drive the first output roller 31 to rotate. When the first output roller 31 drives the sheet material to be output, the sheet material drives the second output roller 32 to rotate, so that the static friction exists between the sheet material and the second output roller 32, avoiding damage to the sheet material.

[0096] In another embodiment, the driving part 34 is only connected to the second output roller 32 to drive the second output roller 32 to rotate. When the second output roller 32 drives the sheet material to be output, the sheet material drives the first output roller 31 to rotate, so that the static friction exists between the sheet material and the first output roller 31, avoiding damage to the sheet material.

[0097] In other embodiments, the driving part 34 is connected to both the first output roller 31 and the second output roller 32. The driving part 34 drives the first output roller 31 and the second output roller 32 to rotate at the same speed, and the rotation directions of the first output roller 31 and the second output roller 32 are opposite. Thus, both the first output roller 31 and the second output roller 32 drive the sheet material to be output, ensuring the smooth output of the sheet material.

[0098] The driving part 34 can be a motor.

[0099] In the embodiments as Figure 1 and Figure 4 shown, both ends of the second output roller 32 are arranged on the bracket 1 through bearing seats, and the second output roller 32 and the second rotating roller 22 are located at the same position in the first direction. Both ends of the first rotating roller 21 are arranged on the support frame 332 through bearing seats. Two motors are provided, and the two motors are respectively connected to the first output roller 31 and the second output roller 32 to drive the first output roller 31 and the second output roller 32 to rotate. The spacing adjusting part 33 includes a first air cylinder 331 and a support frame 332. The fixed part of the first air cylinder 331 is arranged on the bracket 1, the telescopic part of the first air cylinder 331 is connected to the support frame 332, the first air cylinder 331 expands and contracts along the first direction, the expansion and contraction of the first air cylinder 331 drives the support frame 332 to move along the first direction, and the movement of the support frame 332 drives the first output roller 31 to move along the first direction. The sheet material is located between the first output roller 31 and the second output roller 32, and the first output roller 31 and the second output roller 32 output the sheet material while rotating.

[0100] The present disclosure also proposes a method for using a flattening device. As Figure 6 shown, the method for using the flattening device includes the following steps:

[0101] S1: Convey the sheet material along the second direction so that the sheet material passes through at least one set of flattening assemblies 2 of the flattening device.

[0102] Before step S1, according to the material, thickness and process requirements of the sheet material, the parameters of the flattening device are set. For example, the pressure adjustment part 23 is adjusted to make the pressure applied by the pressure adjustment part 23 appropriate; the displacement adjustment assembly 5 is adjusted to make the gap between the first rotating roller 21 and the second rotating roller 22 correspond to the sheet material. After the parameter setting is completed, the end of the sheet material is introduced into the flattening assembly 2, and the sheet material passes through the flattening assembly 2.

[0103] S2: Dynamically adjust the pressure between the first rotating roller 21 and the second rotating roller 22 of the flattening assembly 2 through the pressure adjustment part 23 of the flattening assembly 2 to flatten the sheet material.

[0104] In step S2, when a set of flattening assemblies 2 is provided, the sheet material passes through a set of flattening assemblies 2, and a set of flattening assemblies 2 flattens the sheet material. According to the flattening effect of the flattening assembly 2, the sheet material can pass through the flattening assembly 2 multiple times to have a better flattening effect.

[0105] When multiple sets of flattening assemblies 2 are provided, the sheet material passes through multiple sets of flattening assemblies 2 in sequence. The multiple sets of flattening assemblies 2 sequentially press large air bubbles into small air bubbles, then press the small air bubbles into even smaller air bubbles or discharge the air bubbles from the tail end of the sheet material. When the sheet material passes through multiple sets of flattening assemblies 2, the sheet material is gradually subjected to greater pressure, so as to continuously perform fine flattening treatment on the sheet material.

[0106] S3: Output the flattened sheet material through the output assembly 3 of the flattening device.

[0107] In step S3, while the first output roller 31 and the second output roller 32 of the output assembly 3 rotate, the sheet material located between them is output.

[0108] In the method for using the flattening device of the present application, through the parameter setting in step S1, different materials or thicknesses of sheet materials can be quickly matched, avoiding material damage or air bubble residue caused by improper pressure. In step S2, it is possible to flexibly extrude according to the state of air bubbles during the conveyance of the sheet material to ensure the uniformity of flattening. In step S3, the output assembly 3 ensures the stable export of the flattened material, reducing the risk of conveying tension fluctuation and deviation. The method for using the flattening device, through the cooperation of parameter pre-adjustment, dynamic pressure application and stable conveyance, makes the flattening process efficient and stable, improving the flattening quality of the sheet material and the efficiency of air bubble discharge.

[0109] Those of ordinary skill in the art can understand that all or part of the steps in the above methods can be completed by instructing relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a magnetic disk, or an optical disc, etc. Optionally, all or part of the steps of the above embodiments can also be implemented using one or more integrated circuits. Correspondingly, each module / unit in the above embodiments can be implemented in the form of hardware or in the form of a software functional module. The present invention is not limited to any specific form of combination of hardware and software.

[0110] After considering the specification and practicing the content disclosed herein, those skilled in the art will readily conceive of other embodiments of the present application. The present application is intended to cover any variations, uses, or adaptations of the present application, which follow the general principles of the present application and include common general knowledge or conventional technical means in the technical field not disclosed in the present application. The specification and the embodiments are only regarded as exemplary, and the true scope and spirit of the present application are pointed out by the following claims.

[0111] It should be understood that the present application is not limited to the exact structures described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present application is only limited by the appended claims.

Claims

1. A flattening device, characterized in that, Comprising: A bracket; At least one set of flattening components, arranged on the bracket, wherein each set of the flattening components includes a first rotating roller, a second rotating roller and a pressure adjusting part; The first rotating roller and the second rotating roller are respectively rotatably arranged on the bracket and arranged along a first direction; the pressure adjusting part is connected to the first rotating roller or the second rotating roller, and is used to drive the first rotating roller or the second rotating roller to move along the first direction to apply pressure between the first rotating roller and the second rotating roller. The sheet material is conveyed along a second direction and passes between the first rotating roller and the second rotating roller for flattening, and the second direction is perpendicular to the first direction; An output component, arranged on the bracket, for outputting the flattened sheet material.

2. The flattening device according to claim 1, wherein The flattening device includes multiple sets of the flattening components, and there is a first gap between the first rotating roller and the second rotating roller of each set of the flattening components; Along the conveying direction of the sheet material, the first gaps of multiple sets of the flattening components gradually decrease.

3. The flattening device according to claim 2, characterized in that, Along the second direction, a transition platform is arranged between two adjacent first rotating rollers or two adjacent second rotating rollers. The transition platform is used to support the sheet material to reduce the conveying resistance, and a first buffer layer is arranged on the surface of the transition platform.

4. The flattening device according to claim 3, characterized in that, The edge of the transition platform extends towards the adjacent first rotating roller or the second rotating roller to form a transition section, and there is a gap between the transition section and the outer surface of the first rotating roller or the second rotating roller adjacent to the transition section.

5. The flattening device according to any one of claims 1-4, characterized in that A second buffer layer is arranged on the outer circumferential surface of the first rotating roller and / or the second rotating roller.

6. The flattening device according to any one of claims 1-4, characterized in that, The pressure adjusting part includes: a telescopic part and an elastic part; One end of the telescopic part is connected to the bracket, the other end of the telescopic part is connected to the first rotating roller or the second rotating roller, and the telescopic part expands and contracts along the first direction; The elastic part is connected to the telescopic part, and the elastic part is used to provide an elastic force for the telescopic part along the first direction.

7. The flattening device according to any one of claims 1-4, characterized in that The flattening device further includes a displacement adjusting component, the displacement adjusting component is arranged on the bracket, and the displacement adjusting component is connected to the pressure adjusting part of at least one set of the flattening components to adjust the position of the pressure adjusting part in the first direction.

8. The flattening device according to any one of claims 1-4, characterized in that, The output component includes a first output roller, a second output roller, a spacing adjusting part and a driving part; The first output roller and the second output roller are respectively rotatably arranged on the bracket and arranged along the first direction; The spacing adjusting part is arranged on the bracket, and the spacing adjusting part is used to adjust the gap between the first output roller and the second output roller; The driving part is connected to the first output roller and / or the second output roller, and the driving part is used to drive the first output roller and / or the second output roller to rotate to drive the sheet material located between the first output roller and the second output roller to be output.

9. The flattening device according to any one of claims 1-4, characterized in that, Two pressure adjusting parts are arranged on the flattening component, and the two pressure adjusting parts are symmetrically arranged at both ends of the first rotating roller or the second rotating roller respectively.

10. A method for using a flattening device, characterized in that, Using the flattening device according to any one of claims 1-9, comprising the following steps: Conveying the sheet material in a second direction so that the sheet material passes through at least one set of flattening components of the flattening device; Dynamically adjusting the pressure between the first rotating roller and the second rotating roller of the flattening component through the pressure adjusting part of the flattening component to flatten the sheet material; Outputting the flattened sheet material through the output component of the flattening device.

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