Flattening device for automatic rewinding machine
By designing an automatic flattening device in the rewinder, the rolling and adjustment components are used to achieve automatic flattening and limiting of the film, the problems of low flattening efficiency and film deviation in the prior art are solved, and the flattening effect is improved and stability.
Patent Information
- Application Number
- CN202420796266.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing flattening devices are inefficient when flattening films in the rewinder, and cannot quickly adjust the roller spacing and limits, resulting in the film being easily deviated and affecting the flattening effect.
A flattening device for automatic rewinder is designed, including a housing, a roller assembly, an adjustment assembly and a limiting plate. The automatic flattening of the film is achieved through electric push rods, lift plates, side plates, rotating shafts and limiting plates. Limit, the adjustment component can adjust the spacing between the limit plates according to the film width to ensure flattening effect.
Automatic flattening of the film is achieved, the flattening efficiency and effect are improved, and the stability and no deviation of the film during the rewinding process are ensured.
Smart Images
Figure CN222159245U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rewinding machines, in particular to a flattening device for an automatic rewinding machine. Background Art
[0002] During the production process, the surface of the film is prone to wrinkles, which is not conducive to product winding and affects product quality. Therefore, a flattening device is generally required so that the rewinder can flatten the film through the flattening device during the winding process. However, the current flattening devices generally have the following defects: 1) Manual flattening is used, the flattening efficiency is low, and the flattening effect is poor; 2) It is impossible to quickly adjust the spacing between the flattening rollers according to the increase or decrease in the number of film layers, which affects the flattening effect; 3) The film cannot be limited according to the width of the film, which makes the film easy to deviate during the flattening process, affecting the flattening effect. Therefore, the above problems need to be solved urgently. Summary of the invention
[0003] The technical problem to be solved by the utility model is to provide a flattening device for an automatic rewinding machine, which is convenient for automatically flattening a film by arranging a roller pressing component, thus saving time and labor, and having a good flattening effect.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: the utility model is a flattening device for an automatic rewinding machine, and its innovation lies in: comprising a shell, a roller pressing assembly, an adjustment assembly and a first limit plate; the shell is a hollow rectangular structure arranged horizontally and transversely, and a transmission hole is embedded and penetrated in the middle position of its left and right side surfaces, so that the film can be horizontally and transversely transmitted in the shell through the transmission hole; roller pressing assemblies are symmetrically arranged on the left and right sides of the shell, and the film in transmission is flattened by the roller pressing assemblies; first limit plates are symmetrically arranged at front and rear intervals between the two roller pressing assemblies in the shell, and the two first limit plates are respectively arranged on both sides of the film's forward direction, and the two first limit plates are moved closer to or away from each other along the horizontal longitudinal direction through the adjustment assembly, so as to adapt to films of different widths and limit the film in horizontal transverse transmission in the front and rear directions.
[0005] Preferably, each of the transmission holes matches the width of the film, and ensures that the transmission hole does not interfere with the transmission of the film in the shell.
[0006] Preferably, the structures of the two rolling assemblies are consistent, and each of the rolling assemblies includes an electric push rod, a lifting plate, a side plate, a lower flattening roller, a first rotating shaft, an upper flattening roller and a second rotating shaft; first rotating shafts are respectively provided at the front and rear sides of the inner side of the shell at a horizontal and longitudinal interval, and each of the first rotating shafts is respectively connected to the corresponding inner side surface of the shell for rotation around its own axial direction; a lower flattening roller matching the width of the film is also provided horizontally and longitudinally coaxially between each two first rotating shafts adjacent to each other in front and behind, and both ends of each lower flattening roller are screwed and fixed coaxially with the corresponding first rotating shaft through a flange, and the upper end surfaces thereof are coplanar with the horizontal plane where the lower end of each transmission hole is located; electric push rods are also vertically provided on the upper surface of the shell relative to the center position of each lower flattening roller, and the pushing end of each electric push rod extends vertically downward to the inside of the shell, and is respectively screwed and fixed to the middle position of the upper surface of the corresponding lifting plate arranged horizontally, thereby driving the corresponding lifting plate The camming mechanism is a complex multi-functional panel that is configured to be mounted on the support frame of the machine and has a vertical camshaft that is configured to move along the camshaft axis. The camshafts are configured to move along the camshaft axis, and the camshafts are configured to move along the camshaft axis.
[0007] Preferably, they also include a second reinforcing plate and an electric heating plate; a second reinforcing plate is vertically provided between the inner side surface of each side plate and the lower surface of the corresponding lifting plate, and each of the second reinforcing plates does not interfere with the rotation of the corresponding upper flattening roller, thereby reinforcing and fixing the corresponding side plate through the second reinforcing plate; an electric heating plate is horizontally and longitudinally provided inside the shell directly below each lower flattening roller, and the front and rear ends of each electric heating plate are respectively fixedly connected to the corresponding positions of the front and rear inner side surfaces of the shell; each of the electric heating plates is an arc-shaped structure matching the lower flattening roller, and is respectively coaxially and spacedly sleeved with the corresponding lower flattening roller, thereby heating the corresponding lower flattening roller through the electric heating plate, and ensuring that the electric heating plate does not interfere with the rotation of the corresponding lower flattening roller.
[0008] Preferably, they also include slide rails, second sliders and second limit plates; two slide rails are vertically arranged at intervals on the front and rear inner sides of the shell relative to the front and rear side positions of each lifting plate, and second sliders matching the slide rails are respectively arranged on the front and rear sides of each lifting plate relative to each slide rail position, thereby ensuring the stability of the vertical up and down movement of the corresponding lifting plate through the cooperation of the slide rails and the second slider; second limit plates are horizontally arranged at the upper and lower ends of each slide rail, and each of the second limit plates is vertically fixedly connected to the corresponding positions of the front and rear inner sides of the shell, thereby limiting the vertical movement of the corresponding lifting plate up and down; at the lower limit position of each lifting plate, it is necessary to ensure that the upper flattening roller can cooperate with the corresponding lower flattening roller to flatten the film.
[0009] Preferably, they also include support plates, springs and pressure plates; support plates are horizontally spaced apart on the front and rear inner sides of the shell relative to directly above each first rotating shaft, each of the support plates is horizontally and longitudinally arranged, and is respectively vertically fixedly connected to the corresponding inner side of the shell, and does not interfere with the rotation of the corresponding first rotating shaft and the horizontal lateral transmission of the film; a number of springs are evenly and vertically fixedly arranged on the upper surface of each of the support plates, and pressure plates are horizontally and longitudinally arranged at parallel intervals directly above each of the support plates, the lower surface of each of the pressure plates is respectively fixedly connected to the upper end of the corresponding spring, and is respectively spaced apart from the corresponding inner side of the shell; each of the side plates is within the coverage range of the corresponding pressure plate, and during the vertical downward movement of the lifting plate, the side plate vertically presses the corresponding pressure plate downward, and is buffered and limited by the spring.
[0010] Preferably, the adjusting components are arranged above the film at intervals and do not interfere with the flattening operation of each of the rolling components; the adjusting components include a fixed seat, a fixed plate, a threaded rod, a guide rail, a motor and a first slider; a rectangular fixed seat is also horizontally and longitudinally provided on the inner top surface of the shell relative to the two rolling components, and the fixed seat is arranged between the two lifting plates at intervals; fixed plates are also vertically and laterally symmetrically provided on the lower surface of the fixed seat at intervals front and back, and the spacing between the two fixed plates is greater than the width of the film; a threaded rod is also horizontally and longitudinally provided in the middle and lower position between the two fixed plates, and the two ends of the threaded rod are respectively rotatably connected to the inner side surfaces of the two fixed plates, and the rear end thereof extends horizontally and vertically out Corresponding to the outer side surface of the fixed plate, it is linked to the output end of the motor; the motor is arranged horizontally and longitudinally, and is screwed and fixed with the corresponding fixed plate; guide rails are horizontally symmetrically and parallelly arranged between the upper and lower sides of the threaded rod relative to the two fixed plates, and the two ends of each guide rail are respectively screwed and fixed with the corresponding fixed plate; the threaded rod is provided with two sections of threads with opposite thread directions, and the two sections of threads are symmetrically arranged front and back relative to the center direction of the shell; two first sliding blocks are respectively sleeved with front and back intervals on each section of the thread of the threaded rod, and the four first sliding blocks are vertically arranged between the two fixed plates, and are respectively screwed with the corresponding sections of the thread of the threaded rod, and are respectively connected to each guide rail in a horizontal and longitudinal sliding manner.
[0011] Preferably, each of the first limiting plates is an L-shaped structure, and the upper surface of its horizontal edge is fixedly connected to the lower surface of the two first sliding blocks on the corresponding side. The horizontal edge of each of the first limiting plates is spaced apart and arranged directly above the film, and respectively performs horizontal longitudinal reciprocating motion with the corresponding first sliding block, so that the two first limiting plates are closer to or farther away from each other along the horizontal longitudinal direction; the vertical edge of each of the limiting plates is vertically longitudinally arranged on the front and rear sides of the film transmission direction, and is arranged on the outside, and ensures that the horizontal plane where the lower end surface of its vertical edge is located is below the film, so that the horizontally transmitted film is limited in the front and rear directions by the two first limiting plates.
[0012] Preferably, a first reinforcing plate is vertically provided between the top end of the inner side surface of each fixing plate and the lower surface of the fixing seat, and the corresponding fixing plate is reinforced and fixed by the first reinforcing plate.
[0013] Beneficial effects of the utility model:
[0014] (1) The utility model provides a roller pressing assembly, which facilitates automatic flattening of the film, saves time and effort, and has a good flattening effect;
[0015] (2) The upper flattening roller of the utility model can move vertically up and down, so that it is convenient to adjust the distance between the upper flattening roller and the corresponding lower flattening roller according to the increase or decrease of the number of film winding layers, thereby ensuring the flattening effect;
[0016] (3) The utility model can slightly heat the lower flattening roller by providing an electric heating plate, thereby improving the flattening effect;
[0017] (4) The utility model can adjust the distance between the two first limit plates by providing an adjustment component, thereby adapting to the rewinding operation of films of various widths and ensuring that the film will not deviate during the rewinding process. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0019] Figure 1 The utility model is a structural schematic diagram of a flattening device for an automatic rewinding machine.
[0020] Figure 2 for Figure 1 Medium AA view.
[0021] Figure 3 for Figure 1 Medium BB view.
[0022] Among them, 1-shell; 2-transmission hole; 3-film; 4-fixed seat; 5-fixed plate; 6-motor; 7-threaded rod; 8-guide rail; 9-first slider; 10-first limit plate; 11-first reinforcement plate; 12-electric push rod; 13-first rotating shaft; 14-lower flattening roller; 15-lifting plate; 16-slide rail; 17-second limit plate; 18-side plate; 19-second reinforcement plate; 20-upper flattening roller; 21-second rotating shaft; 22-support plate; 23-spring; 24-pressure plate; 25-electric heating plate. DETAILED DESCRIPTION
[0023] The technical solution of the utility model will be clearly and completely described below through specific implementation methods.
[0024] The utility model discloses a flattening device for an automatic rewinding machine, comprising a housing 1, a rolling assembly, an adjusting assembly and a first limit plate 10; the specific structure is as follows Figures 1 to 3As shown, the shell 1 is a hollow rectangular structure arranged horizontally, and a transmission hole 2 is embedded and penetrated in the middle position of the left and right sides thereof, so that the film 3 can be horizontally transmitted in the shell 1 through the transmission hole 2; wherein each transmission hole 2 matches the width of the film 3 and ensures that the transmission hole 2 does not interfere with the transmission of the film 3 in the shell 1.
[0025] The utility model also symmetrically provides roller pressing assemblies on the left and right sides of the inner part of the housing 1, and then flattens the film 3 being transported through the roller pressing assemblies; wherein the structures of the two roller pressing assemblies are consistent, and each roller pressing assembly includes an electric push rod 12, a lifting plate 15, a side plate 18, a lower flattening roller 14, a first rotating shaft 13, an upper flattening roller 20, a second rotating shaft 21, a second reinforcing plate 19, a slide rail 16, a second slider, a second limit plate 17, a support plate 22, a spring 23 and a pressure plate 24; such as Figure 1 , Figure 3 As shown, first rotating shafts 13 are respectively provided coaxially and horizontally on the left and right sides of the interior of the shell 1, and each first rotating shaft 13 is respectively connected to the corresponding inner side surface of the shell 1 for rotation around its own axial direction; between each two adjacent first rotating shafts 13, a lower flattening roller 14 matching the width of the film 3 is also provided coaxially and horizontally, and both ends of each lower flattening roller 14 are coaxially screwed and fixed with the corresponding first rotating shaft 13 through a flange, and its upper end surface is coplanar with the horizontal plane where the lower end of each transmission hole 2 is located; an electric push rod 12 is also vertically provided on the upper surface of the shell 1 relative to the center position of each lower flattening roller 14, and the pushing end of each electric push rod 12 extends vertically downward to the interior of the shell 1, and is respectively screwed and fixed to the middle position of the upper surface of the corresponding lifting plate 15 arranged horizontally, thereby driving the corresponding lifting plate 15 to make vertical up and down movement relative to the area just above the corresponding lower flattening roller 14 in the interior of the shell 1;
[0026] like Figure 1 , Figure 3As shown, side plates 18 are vertically symmetrically provided at front and rear intervals on the lower surface of each lifting plate 15, and each side plate 18 is vertically and horizontally arranged, and between each two adjacent side plates 18, relative to the position directly above the corresponding lower flattening roller 14, second rotating shafts 21 are horizontally and longitudinally coaxially arranged at front and rear intervals, and each second rotating shaft 21 is respectively connected to the corresponding position of the inner side surface of the corresponding side plate 18 for rotation around its own axial direction; between each two adjacent second rotating shafts 21, an upper flattening roller 20 matching the lower flattening roller 14 is also horizontally and longitudinally coaxially arranged, and both ends of each upper flattening roller 20 are coaxially screwed and fixed with the corresponding second rotating shaft 21 through flanges, and they are respectively aligned with the corresponding lower flattening roller 14 in the upper and lower directions. In the utility model, driven by the electric push rod 12, the upper flattening roller 20 and the corresponding lower flattening roller 14 contact the upper and lower surfaces of the film 3 respectively, thereby flattening the film 3 in horizontal lateral transmission, and ensuring that the side plate 18 does not interfere with the rotation of the lower flattening roller 14 and the upper flattening roller 20.
[0027] like Figure 1 , Figure 3 As shown, a second reinforcing plate 19 is vertically provided between the inner side surface of each side plate 18 and the lower surface of the corresponding lifting plate 15, and each second reinforcing plate 19 does not interfere with the rotation of the corresponding upper flattening roller 20, thereby reinforcing and fixing the corresponding side plate 18 through the second reinforcing plate 19.
[0028] like Figure 1 , Figure 3 As shown, two slide rails 16 are vertically arranged at intervals on the left and right sides of the front and rear inner sides of the shell 1 relative to the front and rear side positions of each lifting plate 15, and second sliders matching the slide rails 16 are respectively arranged on the front and rear sides of each lifting plate 15 relative to the position of each slide rail 16, thereby ensuring the stability of the vertical up and down movement of the corresponding lifting plate 15 through the cooperation of the slide rails 16 and the second slider; second limit plates 17 are horizontally arranged at the upper and lower ends of each slide rail 16, and each second limit plate 17 is vertically fixedly connected to the corresponding positions of the front and rear inner sides of the shell 1, thereby limiting the vertical movement of the corresponding lifting plate 15 up and down; wherein, the lower limit position of each lifting plate 15 needs to ensure that the upper flattening roller 20 can cooperate with the corresponding lower flattening roller 14 to flatten the film 3.
[0029] like Figure 1 , Figure 3As shown, an electric heating plate 25 is also horizontally and longitudinally provided inside the shell 1 directly below each lower flattening roller 14, and the front and rear ends of each electric heating plate 25 are respectively fixedly connected to the corresponding positions of the front and rear inner sides of the shell 1; each electric heating plate 25 is an arc structure matching the lower flattening roller 14, and is respectively coaxially and spacedly sleeved with the corresponding lower flattening roller 14, so that the corresponding lower flattening roller 14 is heated by the electric heating plate 25, and it is ensured that the electric heating plate 25 does not interfere with the rotation of the corresponding lower flattening roller 14; wherein, the heating principle of the electric heating plate 25 is prior art, so it will not be repeated here.
[0030] like Figure 1 , Figure 3 As shown, support plates 22 are horizontally spaced apart on the front and rear inner sides of the shell 1 directly above each first rotating shaft 13. Each support plate 22 is horizontally and longitudinally arranged, and is respectively vertically fixedly connected to the corresponding inner side of the shell 1, and does not interfere with the rotation of the corresponding first rotating shaft 13 and the horizontal lateral transmission of the film 3; a number of springs 23 are evenly and vertically fixedly arranged on the upper surface of each support plate 22, and pressure plates 24 are parallelly and spaced apart horizontally and longitudinally arranged directly above each support plate 22. The lower surface of each pressure plate 24 is respectively fixedly connected to the upper end of the corresponding spring 23, and is respectively spaced apart from the corresponding inner side of the shell 1; each side plate 18 is within the coverage range of the corresponding pressure plate 24, and during the vertical downward movement of the lifting plate 15, the side plate 18 vertically presses the corresponding pressure plate 24 downward, and is buffered and limited by the spring 23.
[0031] The utility model further includes a first limit plate 10 symmetrically arranged in the front and rear intervals between the two roller pressing assemblies inside the shell 1, and the two first limit plates 10 are respectively arranged on both sides of the advancing direction of the film 3, and the two first limit plates 10 are moved closer to or away from each other in the horizontal longitudinal direction through the adjustment assembly, so as to adapt to the films 3 of different widths and limit the front and rear directions of the films 3 in the horizontal lateral transmission; wherein the adjustment assembly is arranged above the film 3 at intervals and does not interfere with the flattening operation of each roller pressing assembly; the adjustment assembly includes a fixed seat 4, a fixed plate 5, a threaded rod 7, a guide rail 8, a motor 6, a first slider 9 and a first reinforcing plate 11; Figure 1 , Figure 2As shown, a rectangular parallelepiped fixing seat 4 is also horizontally and longitudinally arranged on the inner top surface of the shell 1 relative to the two rolling assemblies, and the fixing seat 4 is arranged between the two lifting plates 15 at intervals; fixing plates 5 are also arranged vertically and laterally symmetrically on the lower surface of the fixing seat 4 at intervals in the front and back, and the spacing between the two fixing plates 5 is greater than the width of the film 3; a threaded rod 7 is also horizontally and longitudinally arranged at the middle and lower position between the two fixing plates 5, and the two ends of the threaded rod 7 are respectively rotatably connected to the inner side surfaces of the two fixing plates 5, and the rear end thereof horizontally and vertically extends out of the outer side surfaces of the corresponding fixing plates 5, and is linked to the output end of the motor 6; wherein the motor 6 is arranged horizontally and longitudinally, and is screwed and fixed to the corresponding fixing plate 5;
[0032] like Figure 1 , Figure 2 As shown, guide rails 8 are horizontally symmetrically and parallelly arranged on the upper and lower sides of the threaded rod 7 relative to the two fixed plates 5, and the two ends of each guide rail 8 are respectively screwed and fixed to the corresponding fixed plate 5; the threaded rod 7 is provided with two sections of threads with opposite thread directions, and the two sections of threads are symmetrically arranged front and back relative to the central direction of the shell 1; on each section of the thread of the threaded rod 7, two first sliding blocks 9 are respectively sleeved at front and back intervals, and the four first sliding blocks 9 are vertically arranged between the two fixed plates 5, and are respectively screwed to the corresponding sections of the thread of the threaded rod 7, and are respectively connected to each guide rail 8 in a horizontal longitudinal sliding manner.
[0033] Each of the first limiting plates 10 of the present invention is an L-shaped structure, and the upper surface of the horizontal side thereof is fixedly connected to the lower surfaces of the two first sliding blocks 9 on the corresponding side. Figure 1 , Figure 2 As shown, the horizontal edges of each first limiting plate 10 are spaced apart and arranged just above the film 3, and respectively perform horizontal longitudinal reciprocating motion with the corresponding first slider 9, so that the two first limiting plates 10 are brought closer to or farther away from each other in the horizontal longitudinal direction; the vertical edges of each limiting plate are vertically and longitudinally arranged on the front and rear sides of the transmission direction of the film 3, and are all arranged on the outside, and ensure that the horizontal plane where the lower end surface of the vertical edge is located is below the film 3, so that the two first limiting plates 10 are used to limit the front and rear directions of the horizontally transmitted film 3.
[0034] like Figure 1 , Figure 2 As shown, a first reinforcing plate 11 is vertically provided between the top end of the inner side surface of each fixing plate 5 and the lower surface of the fixing seat 4 , and the corresponding fixing plate 5 is reinforced and fixed by the first reinforcing plate 11 .
[0035] The working principle of the utility model is as follows: first, driven by the motor 6, the two first limit plates 10 move toward or away from each other in the horizontal longitudinal direction to adapt to films 3 of different thicknesses; then, driven by the electric push rod 12, the upper flattening roller 20 follows the lifting plate 15 to vertically contact the upper surface of the film 3, and cooperates with the corresponding lower flattening roller 14 to flatten the film 3 in horizontal lateral transmission, and in this process, through the cooperation of the two first limit plates 10, the film 3 in horizontal lateral transmission is limited in the front and rear directions.
[0036] Beneficial effects of the utility model:
[0037] (1) The utility model provides a roller pressing assembly to facilitate automatic flattening of the film 3, saving time and effort, and having a good flattening effect;
[0038] (2) The upper flattening roller 20 of the utility model can move vertically up and down, so that it is convenient to adjust the distance between the upper flattening roller 20 and the corresponding lower flattening roller 14 according to the increase or decrease in the number of layers of the film 3 to ensure the flattening effect;
[0039] (3) The utility model can slightly heat the lower flattening roller 14 by providing an electric heating plate 25, thereby improving the flattening effect;
[0040] (4) The utility model can adjust the distance between the two first limit plates 10 by providing an adjustment component, so as to adapt to the rewinding operation of films 3 of various widths and ensure that the film 3 will not deviate during the rewinding process.
[0041] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have been fully recorded in the technical requirements.
Claims
1. A flattening device for an automatic rewinding machine, characterized in that: It includes a shell, a rolling assembly, an adjustment assembly and a first limit plate; the shell is a hollow rectangular structure arranged horizontally and transversely, and a transmission hole is embedded in the middle position of the left and right side surfaces, so that the film can be horizontally and transversely transmitted in the shell through the transmission hole; rolling assemblies are symmetrically arranged on the left and right sides of the shell, and the film in transmission is flattened by the rolling assemblies; first limit plates are symmetrically arranged in the shell at front and rear intervals relative to the two rolling assemblies, and the two first limit plates are respectively arranged on both sides of the film's forward direction, and the two first limit plates are moved closer to or away from each other along the horizontal longitudinal direction through the adjustment assembly, so as to adapt to films of different widths and limit the film in horizontal transverse transmission in the front and rear directions.
2. The flattening device for an automatic rewinding machine according to claim 1, characterized in that: Each of the transmission holes matches the width of the film, and ensures that the transmission hole does not interfere with the transmission of the film in the shell.
3. The flattening device for an automatic rewinding machine according to claim 1, characterized in that: The structures of the two rolling assemblies are consistent, and each of the rolling assemblies includes an electric push rod, a lifting plate, a side plate, a lower flattening roller, a first rotating shaft, an upper flattening roller and a second rotating shaft; first rotating shafts are respectively provided at a front-to-back interval and coaxially at the left and right sides of the interior of the shell, and each of the first rotating shafts is respectively connected to the corresponding inner side surface of the shell for rotation around its own axial direction; a lower flattening roller matching the width of the film is also provided horizontally and coaxially between each of the two first rotating shafts adjacent to each other, and both ends of each lower flattening roller are screwed and fixed coaxially with the corresponding first rotating shaft through a flange, and the upper end surfaces thereof are coplanar with the horizontal plane where the lower end of each transmission hole is located; electric push rods are also vertically provided on the upper surface of the shell relative to the center position of each lower flattening roller, and the pushing end of each electric push rod extends vertically downward to the interior of the shell, and is respectively screwed and fixed to the middle position of the upper surface of the corresponding lifting plate arranged horizontally, thereby driving the corresponding lifting plate The cam is an axially parallel arrangement of the second rollers, and the cams are arranged on the upper and lower surfaces of the second rollers to move in a horizontal direction relative to the upper surface of the second rollers.
4. The flattening device for an automatic rewinding machine according to claim 3, characterized in that: They also include a second reinforcing plate and an electric heating plate; a second reinforcing plate is vertically arranged between the inner side surface of each side plate and the lower surface of the corresponding lifting plate, and each of the second reinforcing plates does not interfere with the rotation of the corresponding upper flattening roller, and the corresponding side plate is reinforced and fixed by the second reinforcing plate; an electric heating plate is horizontally and longitudinally arranged inside the shell directly below each lower flattening roller, and the front and rear ends of each electric heating plate are respectively fixedly connected to the corresponding positions of the front and rear inner side surfaces of the shell; each of the electric heating plates is an arc structure matching the lower flattening roller, and is respectively coaxially and spacedly sleeved with the corresponding lower flattening roller, so that the corresponding lower flattening roller is heated by the electric heating plate, and it is ensured that the electric heating plate does not interfere with the rotation of the corresponding lower flattening roller.
5. The flattening device for an automatic rewinding machine according to claim 3, characterized in that: They also include slide rails, second sliders and second limit plates; two slide rails are vertically arranged at intervals on the front and rear inner sides of the shell relative to the front and rear side positions of each lifting plate, and second sliders matching the slide rails are respectively arranged on the front and rear sides of each lifting plate relative to each slide rail position, thereby ensuring the stability of the vertical up and down movement of the corresponding lifting plate through the cooperation of the slide rails and the second slider; second limit plates are horizontally arranged at the upper and lower ends of each slide rail, and each of the second limit plates is vertically fixedly connected to the corresponding positions of the front and rear inner sides of the shell, thereby limiting the vertical movement of the corresponding lifting plate up and down; at the lower limit position of each lifting plate, it is necessary to ensure that the upper flattening roller can cooperate with the corresponding lower flattening roller to flatten the film.
6. The flattening device for an automatic rewinding machine according to claim 3, characterized in that: They also include support plates, springs and pressure plates; support plates are horizontally spaced apart on the front and rear inner sides of the shell relative to directly above each first rotating shaft, each of the support plates is horizontally and longitudinally arranged, and is respectively vertically fixedly connected to the corresponding inner side of the shell, and does not interfere with the rotation of the corresponding first rotating shaft and the horizontal lateral transmission of the film; a number of springs are evenly and vertically fixedly arranged on the upper surface of each of the support plates, and pressure plates are horizontally and longitudinally arranged at parallel intervals directly above each of the support plates, the lower surface of each of the pressure plates is respectively fixedly connected to the upper end of the corresponding spring, and is respectively spaced apart from the corresponding inner side of the shell; each of the side plates is within the coverage range of the corresponding pressure plate, and during the vertical downward movement of the lifting plate, the side plate vertically presses the corresponding pressure plate downward, and is buffered and limited by the spring.
7. The flattening device for an automatic rewinding machine according to claim 3, characterized in that: The adjusting components are arranged above the film at intervals and do not interfere with the flattening operation of each of the rolling components; the adjusting components include a fixed seat, a fixed plate, a threaded rod, a guide rail, a motor and a first slider; a rectangular fixed seat is also arranged horizontally and longitudinally between the two rolling components on the inner top surface of the shell, and the fixed seat is arranged between the two lifting plates at intervals; fixed plates are also arranged vertically and laterally symmetrically on the lower surface of the fixed seat at intervals, and the spacing between the two fixed plates is greater than the width of the film; a threaded rod is also arranged horizontally and longitudinally at the lower middle position between the two fixed plates, and the two ends of the threaded rod are respectively rotatably connected to the inner side surfaces of the two fixed plates, and the rear end thereof extends horizontally and vertically to the corresponding The outer side surface of the fixing plate is linked to the output end of the motor; the motor is arranged horizontally and longitudinally and is screwed and fixed with the corresponding fixing plate; guide rails are horizontally symmetrically and parallelly arranged between the upper and lower sides of the threaded rod relative to the two fixing plates, and the two ends of each guide rail are screwed and fixed with the corresponding fixing plate respectively; the threaded rod is provided with two sections of threads with opposite thread directions, and the two sections of threads are symmetrically arranged front and back relative to the center direction of the shell; two first sliding blocks are respectively sleeved with front and back intervals on each section of the thread of the threaded rod, and the four first sliding blocks are vertically arranged between the two fixing plates, and are respectively screwed with the corresponding sections of the thread of the threaded rod, and are respectively connected to each guide rail in a horizontal and longitudinal sliding manner.
8. The flattening device for an automatic rewinding machine according to claim 7, characterized in that: Each of the first limiting plates is an L-shaped structure, and the upper surface of its horizontal edge is fixedly connected to the lower surface of the two first sliding blocks on the corresponding side. The horizontal edge of each of the first limiting plates is spaced apart and arranged directly above the film, and respectively performs horizontal longitudinal reciprocating motion with the corresponding first sliding block, so that the two first limiting plates are closer to or farther away from each other along the horizontal longitudinal direction; the vertical edge of each of the limiting plates is vertically longitudinally arranged on the front and rear sides of the film transmission direction, and is arranged on the outside, and ensures that the horizontal plane where the lower end surface of its vertical edge is located is below the film, so that the horizontally transmitted film is limited in the front and rear directions by the two first limiting plates.
9. The flattening device for an automatic rewinding machine according to claim 8, characterized in that: A first reinforcing plate is vertically arranged between the top end of the inner side surface of each fixing plate and the lower surface of the fixing seat, and the corresponding fixing plate is reinforced and fixed by the first reinforcing plate.