Membrane belt deviation rectifying device

Abstract

The embodiment of the utility model discloses a film belt deviation rectifying device. The film belt deviation rectifying device comprises a driving roller mechanism, a pressing roller and a deviation rectifying mechanism. The driving roller mechanism comprises a mounting frame, a driving roller and a driving roller driving part, the two ends of the driving roller are rotationally connected with the mounting frame, and the driving roller driving part is mounted on the mounting frame and is in driving connection with the first end of the driving roller; the compression roller is mounted on the mounting frame, the compression roller and the driving roller are parallel and arranged up and down, and the compression roller and the driving roller are matched to clamp a film belt penetrating through the space between the compression roller and the driving roller; the deviation rectifying mechanism is in driving connection with the mounting frame and used for driving the mounting frame to rotate in the horizontal plane so as to rectify the film belt between the pressing roller and the driving roller. The film belt deviation rectifying device is arranged between the unwinding mechanism and the traction mechanism, when the position of the film belt deviates in the width direction, the deviation rectifying mechanism drives the mounting frame to rotate in the horizontal plane, so that the driving roller and the pressing roller are driven to rotate in the horizontal plane together, and finally the film belt clamped between the pressing roller and the driving roller is rectified.

Description

Technical Field

[0001] This application relates to the field of photovoltaic module manufacturing equipment, and in particular to a film belt correction device. Background Technology

[0002] In the solar cell manufacturing process, the method of connecting solar cells into strings by bonding ribbons to the cells with a film is called film-coated stringing. The film preparation process requires the transport of the film ribbon.

[0003] During the transport of the membrane belt, due to the long transport path, the membrane belt is prone to deviation in the width direction during the transport along the length direction, which affects the preparation of the membrane. Utility Model Content

[0004] To address the problems of the prior art, this application provides a membrane belt correction device that can solve the problem that, during the current membrane belt conveying process, due to the long conveying path of the membrane belt, the membrane belt deviates in the width direction during the conveying along the length direction of the membrane belt, which affects the membrane preparation.

[0005] Specifically, this application provides a film belt correction device, which includes: an active roller mechanism, a pressure roller, and a correction mechanism;

[0006] The active roller mechanism includes a mounting frame, an active roller, and an active roller drive component. The two ends of the active roller are rotatably connected to the mounting frame, and the active roller drive component is mounted on the mounting frame and drivenly connected to the first end of the active roller.

[0007] The pressure roller is mounted on the mounting frame. The pressure roller is parallel to the drive roller and arranged vertically. The pressure roller is configured to cooperate with the drive roller to clamp the film strip passing between the pressure roller and the drive roller.

[0008] The correction mechanism is connected to the mounting frame drive and is used to drive the mounting frame to rotate in the horizontal plane to correct the film belt between the pressure roller and the drive roller.

[0009] The film belt correction device of this application is installed between the unwinding mechanism and the traction mechanism of the film belt during use. The device uses parallel, vertically arranged drive rollers and pressure rollers to clamp the film belt passing between them. Driven by the drive roller, the film belt can be conveyed along its length. When the film belt shifts in width, the correction mechanism drives the mounting frame to rotate in the horizontal plane, thereby causing the drive roller and pressure roller on the mounting frame to rotate together in the horizontal plane. Due to the constraints of the unwinding and traction mechanisms on both sides of the film belt, the film belt can move along the length of the drive roller when the mounting frame rotates, ultimately correcting the film belt clamped between the pressure roller and the drive roller.

[0010] In some embodiments, the correction mechanism includes a base, a translation drive assembly, a first slide, and a second slide;

[0011] The mounting frame includes a first mounting frame rotatably connected to a first end of the drive roller, and a second mounting frame rotatably connected to a second end of the drive roller;

[0012] The first mounting bracket is rotatably connected to the first slide block, the first slide block is slidably mounted on the base along the first horizontal direction, and the translation drive assembly is driven to drive the first slide block to move along the first horizontal direction.

[0013] The second mounting bracket is rotatably connected to the second slide block, which is slidably mounted on the base along a second horizontal direction, which is not parallel to the first horizontal direction.

[0014] The translation drive assembly drives the first slide to move along the first horizontal direction, which in turn drives the second slide to move along the second horizontal direction. At the same time, the first mounting bracket and the second mounting bracket can rotate relative to the first slide and the second slide, respectively, so that the mounting bracket can rotate smoothly in the horizontal plane.

[0015] In some embodiments, a longitudinal first rotating shaft is mounted on the first mounting bracket, and the first rotating shaft is rotatably connected to the first slide block via a first bearing;

[0016] The second mounting bracket is equipped with a longitudinal second rotating shaft, which is rotatably connected to the second slide via a second bearing.

[0017] The first mounting bracket is rotatably connected to the first slide block via a first longitudinal rotating shaft and a first bearing. The second mounting bracket is rotatably connected to the second slide block via a second longitudinal rotating shaft and a second bearing. The combination of the rotating shaft and the bearing can meet the rotation requirements of the first and second mounting brackets while avoiding damage to the rotating shaft from prolonged horizontal stress.

[0018] In some embodiments, the first bearing and / or the second bearing are angular bearings.

[0019] The first and / or second bearings are angular bearings, which can withstand both axial and radial forces simultaneously, improving the operational stability and service life of the connection between the first mounting bracket and the first slide, and between the second mounting bracket and the second slide.

[0020] In some embodiments, the correction mechanism further includes an X-axis slide rail and a Y-axis slide rail;

[0021] The X-axis slide rail is mounted on the base along the first horizontal direction, and the first slide block is slidably connected to the X-axis slide rail;

[0022] The Y-axis slide rail is mounted on the base along the second horizontal direction, and the second slide block is slidably connected to the Y-axis slide rail;

[0023] The first horizontal direction is perpendicular to the second horizontal direction.

[0024] By guiding the sliding of the first slide block by an X-axis slide rail mounted on the base along the first horizontal direction, and guiding the sliding of the second slide block by a Y-axis slide rail mounted on the base along the second horizontal direction, the accuracy and stability of the sliding direction of the first and second slide blocks can be ensured.

[0025] In some embodiments, the film belt correction device further includes a clamping mechanism, with a pressure roller mounted on the drive end of the clamping mechanism. The clamping mechanism is configured to drive the pressure roller to rise and fall to clamp the film belt passing between the pressure roller and the drive roller.

[0026] The pressure roller is raised and lowered by a clamping mechanism to clamp the film strip passing between the pressure roller and the drive roller. This method is suitable for film strips of different thicknesses and makes it easy to adjust the pressure between the pressure roller and the drive roller.

[0027] In some embodiments, the clamping mechanism includes a first connector, a second connector, a first pressure assembly, and a second pressure assembly;

[0028] The first connector is connected to the first end of the pressure roller, and the second connector is connected to the second end of the pressure roller;

[0029] The first pressure assembly is mated with the first connector, and the second pressure assembly is mated with the second connector;

[0030] The first pressure assembly is configured to apply pressure to the first end of the pressure roller via the first connector;

[0031] The second pressure component is configured to apply pressure to the second end of the pressure roller via the second connector.

[0032] By employing a first pressure component to apply pressure to the first end of the pressure roller through a first connector, and by employing a second pressure component to apply pressure to the second end of the pressure roller through a second connector, pressure can be applied to both ends of the pressure roller simultaneously. This ensures that the pressure roller stably and firmly cooperates with the drive roller to clamp the film strip between the pressure roller and the drive roller, preventing the pressure roller from tilting due to uneven force, which would lead to poor cooperation with the drive roller and affect the clamping effect on the film strip.

[0033] In some embodiments, the film belt correction device further includes a buffer roller assembly disposed on the discharge side of the drive roller, the buffer roller assembly including a bracket and a buffer roller that is movably mounted on the bracket.

[0034] The buffer roller is configured to press down the film strip pulled between the drive roller and the pressure roller to increase the wrap angle between the film strip and the drive roller.

[0035] By installing a buffer roller that can move up and down to press down the film belt pulled between the drive roller and the pressure roller on the discharge side of the drive roller, the wrap angle between the film belt and the drive roller can be increased, which can increase the area of ​​friction of the film belt during the traction process and is more conducive to correction.

[0036] In some embodiments, the support includes a pair of longitudinally arranged guide posts;

[0037] Each guide post is fitted with a linear bearing, and both ends of the buffer roller are connected to a linear bearing via counterweights.

[0038] The two ends of the buffer roller are connected to linear bearings in the bracket, which can be used to raise and lower the buffer roller on the bracket. The buffer roller is connected to the linear bearings through counterweights, and the height of the buffer roller on the bracket can be adjusted by changing the counterweights of different weights.

[0039] In some embodiments, the membrane belt correction device further includes a first detection element and / or a second detection element;

[0040] The first detection element is disposed on the feed side or discharge side of the drive roller and close to the first side edge of the film belt, for detecting the offset of the first side edge;

[0041] The second detection element is located on the feed side or discharge side of the drive roller and close to the second side of the film belt, and is used to detect the offset of the second side.

[0042] The correction mechanism is used to drive the mounting bracket to rotate in the horizontal plane based on the offset of the first side and / or the offset of the second side.

[0043] By setting a first detection element and / or a second detection element on both sides of the film belt, the first detection element and / or the second detection element are triggered when the film belt deviates, so that the amount of film belt deviation can be detected in time and the correction mechanism can be started according to the amount of deviation, driving the mounting frame to rotate in the horizontal plane and correcting the film belt clamped between the pressure roller and the drive roller. Attached Figure Description

[0044] The disclosure of this application will become more readily understood with reference to the accompanying drawings. It will be readily understood by those skilled in the art that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this application. Furthermore, similar numbers in the drawings are used to denote similar components, wherein:

[0045] Figure 1 This is a perspective view of a membrane belt correction device according to one embodiment of this application from a first-view perspective;

[0046] Figure 2 This is a perspective view of a membrane belt correction device according to one embodiment of this application from a second perspective;

[0047] Figure 3 This is a rear view of a membrane belt correction device according to one embodiment of this application;

[0048] Figure 4 This is a side view of a membrane belt correction device according to one embodiment of this application;

[0049] Figure 5 yes Figure 4 BB section view;

[0050] Figure 6 This is a perspective view of a membrane belt correction device according to another embodiment of this application from a first-view perspective;

[0051] Figure 7 This is a perspective view of a membrane belt correction device according to another embodiment of this application from a second perspective;

[0052] Figure 8 This is a schematic diagram of the membrane belt correction device in use according to another embodiment of this application.

[0053] The components include: 1. Active roller mechanism; 11. Mounting frame; 111. First mounting frame; 112. Second mounting frame; 12. Active roller; 13. Active roller drive component; 2. Pressure roller; 3. Correction mechanism; 31. Base; 32. Translation drive assembly; 33. First slide; 34. Second slide; 35. X-axis slide rail; 36. Y-axis slide rail; 41. First rotating shaft; 42. First bearing; 51. Second rotating shaft; 52. Second bearing; 6. Pressing mechanism; 61. First connecting piece; 62. Second connecting piece; 63. First pressure assembly; 64. Second pressure assembly; 7. Bracket; 71. Guide post; 72. Linear bearing; 73. Counterweight; 8. Buffer roller; 9. First detection element; 10. Second detection element; 100. Membrane belt. Detailed Implementation

[0054] Some embodiments of this application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of this application and are not intended to limit the scope of protection of this application.

[0055] As described in the background section, during the coating and stringing process, the bonding tape is attached to the solar cells via the membrane to connect the cells into a string, requiring the traction and transport of the membrane tape. During the transport of the membrane tape, due to the long transport path, the membrane tape is prone to shifting in the width direction during its length transmission, affecting membrane fabrication.

[0056] To address the aforementioned issues, this application creatively proposes a film belt correction device. In use, it is positioned between the unwinding mechanism and the traction mechanism of the film belt. Parallel and vertically arranged drive rollers and pressure rollers work together to clamp the film belt passing between them. Driven by the drive roller, the film belt can be conveyed along its length. When the film belt deviates in the width direction, the correction mechanism drives the mounting frame to rotate in the horizontal plane, thereby causing the drive roller and pressure roller on the mounting frame to rotate together in the horizontal plane. Due to the constraints of the unwinding and traction mechanisms on both sides of the film belt, the film belt can move along the length of the drive roller when the mounting frame rotates, ultimately correcting the film belt clamped between the pressure roller and the drive roller.

[0057] The present application will be described in detail below through specific embodiments.

[0058] This application provides a membrane belt correction device, referring to... Figures 1 to 4 As shown, the film belt correction device includes: an active roller mechanism 1, a pressure roller 2, and a correction mechanism 3;

[0059] The active roller mechanism 1 includes a mounting frame 11, an active roller 12, and an active roller drive 13. The two ends of the active roller 12 are rotatably connected to the mounting frame 11, and the active roller drive 13 is mounted on the mounting frame 11 and is drivenly connected to the first end of the active roller 12.

[0060] The pressure roller 2 is mounted on the mounting frame 11. The pressure roller 2 is parallel to and arranged vertically with the drive roller 12. The pressure roller 2 is configured to cooperate with the drive roller 12 to clamp the film strip passing between the pressure roller 2 and the drive roller 12.

[0061] The correction mechanism 3 is driven to the mounting frame 11 and is used to drive the mounting frame 11 to rotate in the horizontal plane to correct the film strip between the pressure roller 2 and the drive roller 12.

[0062] The film belt correction device of this application is installed between the unwinding mechanism and the traction mechanism of the film belt during use. The film belt correction device uses parallel and vertically arranged drive rollers 12 and pressure rollers 2 to clamp the film belt passing between the drive rollers 12 and pressure rollers 2. Driven by the drive roller drive 13, the film belt can be conveyed along the length direction. When the film belt is offset in the width direction, the correction mechanism 3 drives the mounting frame 11 to rotate in the horizontal plane, thereby causing the drive rollers 12 and pressure rollers 2 on the mounting frame 11 to rotate together in the horizontal plane. Due to the restriction of the unwinding mechanism and the traction mechanism on both sides of the film belt, when the mounting frame 11 rotates, the film belt can move along the length direction of the drive rollers 12, and finally correct the film belt clamped between the pressure rollers 2 and the drive rollers 12.

[0063] The active roller drive 13 can be as follows: Figures 1 to 5 The rotary motor shown, which is directly connected to the end of the drive roller 12, can also be as follows: Figures 6 to 8 The combination of the synchronous pulley, synchronous belt, and rotary motor is shown. When the drive roller 13 is as follows... Figures 6 to 8 When the synchronous belt and rotary motor are combined as shown, a first synchronous pulley is fixedly connected to the end of the drive roller 12. The first synchronous pulley is coaxial with the drive roller 12. The drive end of the rotary motor is connected to a second synchronous pulley. The first synchronous pulley and the second synchronous pulley are connected by a synchronous belt. The second synchronous pulley rotates under the drive of the rotary motor, and drives the first synchronous pulley to rotate synchronously through the synchronous belt, thereby driving the drive roller 12 to rotate.

[0064] In some embodiments, the correction mechanism 3 includes a base 31, a translation drive assembly 32, a first slide 33, and a second slide 34;

[0065] Mounting frame 11 includes a first mounting frame 111 rotatably connected to a first end of the drive roller 12, and a second mounting frame 112 rotatably connected to a second end of the drive roller 12;

[0066] The first mounting bracket 111 is rotatably connected to the first slide block 33. The first slide block 33 is slidably mounted on the base 31 along the first horizontal direction. The translation drive assembly 32 is drivenly connected to the first slide block 33 to drive the first slide block 33 to move along the first horizontal direction.

[0067] The second mounting bracket 112 is rotatably connected to the second slide block 34, which is slidably mounted on the base 31 along the second horizontal direction, which is not parallel to the first horizontal direction.

[0068] The translation drive assembly 32 drives the first slide 33 to move along the first horizontal direction, which in turn drives the second slide 34 to move along the second horizontal direction. At the same time, the first mounting bracket 111 and the second mounting bracket 112 can rotate relative to the first slide 33 and the second slide 34 respectively, so that the mounting bracket 11 can rotate smoothly in the horizontal plane.

[0069] Translation drive component 32 can be as follows Figures 1 to 5 The assembly shown includes a rotary motor, a lead screw, and a nut. A first slide 33 is fixedly connected to the nut. The rotary motor drives the lead screw to rotate, thereby causing the nut and the first slide 33 to translate. The translation drive assembly 32 can also be as follows: Figures 6 to 8 The device shown includes a lead screw, a nut, a timing pulley, a timing belt, and a rotary motor. The first slide block 33 is fixedly connected to the nut. The rotary motor drives the lead screw to rotate through the timing pulley and timing belt, thereby causing the nut and the first slide block 33 to translate.

[0070] In some embodiments, such as Figure 5 As shown, a longitudinal first rotating shaft 41 is mounted on the first mounting bracket 111, and the first rotating shaft 41 is rotatably connected to the first slide block 33 through the first bearing 42;

[0071] A longitudinal second rotating shaft 51 is mounted on the second mounting bracket 112, and the second rotating shaft 51 is rotatably connected to the second slide block 34 through the second bearing 52.

[0072] The first mounting bracket 111 is rotatably connected to the first slide block 33 via a longitudinal first rotating shaft 41 and a first bearing 42. The second mounting bracket 112 is rotatably connected to the second slide block 34 via a longitudinal second rotating shaft 51 and a second bearing 52. The combination of the rotating shaft and the bearing can meet the rotation requirements of the first mounting bracket 111 and the second mounting bracket 112 while avoiding damage to the rotating shaft due to long-term horizontal stress.

[0073] In some embodiments, the first bearing 42 and / or the second bearing 52 are angular bearings, that is, at least one of the first bearing 42 and the second bearing 52 is an angular bearing.

[0074] The first bearing 42 and / or the second bearing 52 are angular bearings, which can withstand axial and radial forces simultaneously, thereby improving the operational stability and service life of the connection between the first mounting bracket 111 and the first slide block 33, and the second mounting bracket 112 and the second slide block 34.

[0075] In some embodiments, the correction mechanism 3 further includes an X-axis slide rail 35 and a Y-axis slide rail 36;

[0076] The X-axis slide rail 35 is mounted on the base 31 along the first horizontal direction, and the first slide block 33 is slidably connected to the X-axis slide rail 35.

[0077] The Y-axis slide rail 36 is mounted on the base 31 along the second horizontal direction, and the second slide block 34 is slidably connected to the Y-axis slide rail 36; the first horizontal direction is perpendicular to the second horizontal direction.

[0078] By guiding the sliding of the first slide block 33 through the X-axis slide rail 35 mounted on the base 31 along the first horizontal direction, and guiding the sliding of the second slide block 34 through the Y-axis slide rail 36 mounted on the base 31 along the second horizontal direction, the accuracy and stability of the sliding direction of the first slide block 33 and the second slide block 34 can be ensured.

[0079] In some embodiments, the film belt correction device further includes a clamping mechanism 6, with the pressure roller 2 mounted on the drive end of the clamping mechanism 6. The clamping mechanism 6 is configured to drive the pressure roller 2 to rise and fall to clamp the film belt passing between the pressure roller 2 and the drive roller 12.

[0080] The pressure roller 2 is driven to rise and fall by the clamping mechanism 6 to clamp the film strip passing between the pressure roller 2 and the drive roller 12. This allows for the application of film strips of different thicknesses and facilitates the adjustment of the pressure between the pressure roller 2 and the drive roller 12.

[0081] In some embodiments, the clamping mechanism 6 includes a first connector 61, a second connector 62, a first pressure assembly 63, and a second pressure assembly 64;

[0082] The first connector 61 is connected to the first end of the pressure roller 2, and the second connector 62 is connected to the second end of the pressure roller 2;

[0083] The first pressure assembly 63 is mated with the first connector 61, and the second pressure assembly 64 is mated with the second connector 62;

[0084] The first pressure assembly 63 is configured to apply pressure to the first end of the pressure roller 2 via the first connector 61;

[0085] The second pressure assembly 64 is configured to apply pressure to the second end of the pressure roller 2 via the second connector 62.

[0086] By employing a first pressure component 63 to apply pressure to the first end of the pressure roller 2 through a first connector 61, and a second pressure component 64 to apply pressure to the second end of the pressure roller 2 through a second connector 62, pressure can be applied to both ends of the pressure roller 2 simultaneously. This ensures that the pressure roller 2 stably and firmly cooperates with the drive roller 12 to clamp the film strip between the pressure roller 2 and the drive roller 12, preventing the pressure roller 2 from tilting due to uneven force, which would result in poor cooperation with the drive roller 12 and affect the clamping effect on the film strip.

[0087] In some embodiments, refer to Figures 6 to 8 As shown, the film belt correction device also includes a buffer roller assembly disposed on the discharge side of the drive roller 12. The buffer roller assembly includes a bracket 7 and a buffer roller 8 that is movably mounted on the bracket 7.

[0088] The buffer roller 8 is configured to press down the film strip pulled between the drive roller 12 and the pressure roller 2 to increase the wrap angle between the film strip and the drive roller 12.

[0089] By setting a buffer roller 8 on the discharge side of the drive roller 12, which can move up and down to press down the film belt pulled between the drive roller 12 and the pressure roller 2, the wrap angle between the film belt and the drive roller 12 is increased. This increases the area of ​​friction on the film belt during the traction process, which is more conducive to correction.

[0090] In some embodiments, refer to Figure 7 As shown, the bracket 7 includes a pair of longitudinally arranged guide posts 71;

[0091] Each guide post 71 is fitted with a linear bearing 72, and the two ends of the buffer roller 8 are respectively connected to a linear bearing 72 through a counterweight 73.

[0092] The two ends of the buffer roller 8 are connected to the linear bearings 72 in the bracket 7, and the roller can be raised and lowered on the bracket 7 through the linear bearings 72. The buffer roller 8 is connected to the linear bearings 72 through counterweights 73. By changing the counterweights 73 of different weights, the height of the buffer roller 8 on the bracket 7 can be adjusted.

[0093] In some embodiments, refer to Figure 8 As shown, the membrane belt correction device also includes a first detection element 9 and / or a second detection element 10;

[0094] The first detection element 9 is disposed on the feed side or discharge side of the drive roller 12 and close to the first side edge of the film belt 100, for detecting the offset of the first side edge;

[0095] The second detection element 10 is disposed on the feed side or discharge side of the drive roller 12 and close to the second side of the film belt 100, for detecting the offset of the second side.

[0096] The correction mechanism 3 is used to drive the mounting bracket 11 to rotate in the horizontal plane based on the offset of the first side and / or the offset of the second side.

[0097] By setting a first detection element 9 and / or a second detection element 10 on both sides of the film belt, the first detection element 9 and / or the second detection element 10 are triggered when the film belt deviates, so that the amount of film belt deviation can be detected in time and the correction mechanism 3 can be activated according to the amount of deviation. The mounting frame 11 is driven to rotate in the horizontal plane to correct the film belt clamped between the pressure roller 2 and the drive roller 12 to a predetermined position, such as correcting the center of the width direction of the film belt to coincide with the length center line of the drive roller 12 and the pressure roller 2.

[0098] The first detection element 9 and the second detection element 10 are edge detection sensors, which can accurately measure the edge of an object using optical principles. This is existing technology, such as the KERI ultrasonic sensor BKS / BKS+ series, etc. This application will not elaborate on this.

[0099] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0100] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0101] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A membrane belt alignment device, characterized in that, The film belt correction device includes: an active roller mechanism, a pressure roller, and a correction mechanism; The active roller mechanism includes a mounting frame, an active roller, and an active roller drive component. The two ends of the active roller are rotatably connected to the mounting frame, and the active roller drive component is mounted on the mounting frame and drivenly connected to the first end of the active roller. The pressure roller is mounted on the mounting frame, and the pressure roller is arranged parallel to and vertically above the drive roller. The pressure roller is configured to cooperate with the drive roller to clamp the film strip passing between the pressure roller and the drive roller. The correction mechanism is driven to the mounting frame and is used to drive the mounting frame to rotate in the horizontal plane to correct the film strip between the pressure roller and the drive roller.

2. The membrane belt correction device according to claim 1, characterized in that, The correction mechanism includes a base, a translation drive assembly, a first slide, and a second slide; The mounting frame includes a first mounting frame rotatably connected to a first end of the drive roller, and a second mounting frame rotatably connected to a second end of the drive roller; The first mounting bracket is rotatably connected to the first slide block, the first slide block is slidably mounted on the base along the first horizontal direction, and the translation drive assembly is drivenly connected to the first slide block to drive the first slide block to move along the first horizontal direction; The second mounting bracket is rotatably connected to the second slide block, which is slidably mounted on the base along a second horizontal direction that is not parallel to the first horizontal direction.

3. The membrane belt correction device according to claim 2, characterized in that, The first mounting bracket is equipped with a longitudinal first rotating shaft, which is rotatably connected to the first slide block via a first bearing; The second mounting bracket is equipped with a longitudinal second rotating shaft, which is rotatably connected to the second slide via a second bearing.

4. The membrane belt correction device according to claim 3, characterized in that, The first bearing and / or the second bearing are angular bearings.

5. The membrane belt correction device according to claim 2, characterized in that, The correction mechanism also includes an X-axis slide rail and a Y-axis slide rail; The X-axis slide rail is mounted on the base along the first horizontal direction, and the first slide block is slidably connected to the X-axis slide rail; The Y-axis slide rail is mounted on the base along the second horizontal direction, and the second slide block is slidably connected to the Y-axis slide rail; The first horizontal direction is perpendicular to the second horizontal direction.

6. The membrane belt correction device according to claim 1, characterized in that, The film belt correction device further includes a clamping mechanism, wherein the pressure roller is mounted on the drive end of the clamping mechanism, and the clamping mechanism is configured to drive the pressure roller to lift and lower to clamp the film belt passing between the pressure roller and the drive roller.

7. The membrane belt correction device according to claim 6, characterized in that, The clamping mechanism includes a first connector, a second connector, a first pressure assembly, and a second pressure assembly; The first connecting member is connected to the first end of the pressure roller, and the second connecting member is connected to the second end of the pressure roller; The first pressure component is mated with the first connector, and the second pressure component is mated with the second connector; The first pressure component is configured to apply pressure to a first end of the pressure roller via the first connector; The second pressure component is configured to apply pressure to the second end of the pressure roller via the second connector.

8. The membrane belt correction device according to claim 1, characterized in that, The film belt correction device further includes a buffer roller assembly disposed on the discharge side of the active roller, the buffer roller assembly including a bracket and a buffer roller that can be movably mounted on the bracket; The buffer roller is configured to press down the film strip pulled between the drive roller and the pressure roller to increase the wrap angle between the film strip and the drive roller.

9. The membrane belt correction device according to claim 8, characterized in that, The support includes a pair of longitudinally arranged guide posts; Each guide post is fitted with a linear bearing, and both ends of the buffer roller are connected to a linear bearing via counterweights.

10. The membrane belt correction device according to claim 1, characterized in that, The membrane belt correction device further includes a first detection element and / or a second detection element; The first detection element is disposed on the feed side or discharge side of the active roller and close to the first side edge of the film belt, for detecting the offset of the first side edge; The second detection element is disposed on the feed side or discharge side of the drive roller and close to the second side edge of the film belt, for detecting the offset of the second side edge; The correction mechanism is used to drive the mounting bracket to rotate in the horizontal plane based on the offset of the first side and / or the offset of the second side.

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