Composite preparation method of high-barrier film product

Abstract

The invention discloses a composite preparation method of a high-barrier film product, and relates to the field of composite molding of high-barrier films, and the composite preparation method comprises the following steps: flattening a base film by using a coating device, and coating the surface of the base film with a characteristic material; the coating thickness is controlled to be 3-35 microns; the coated part is dried through drying equipment, the drying time ranges from 5 s to 35 s, and the drying equipment is hot air drying equipment or infrared heating drying equipment; when the coating device is used for compounding a special material on the base layer film, the slitting unit can be used for directly slitting the compounded and dried film, so that the film can be dried, the film can be cut, the film can be effectively coated, the film can be effectively coated, and the production efficiency can be improved. The part, effectively compounded with the special material, on the thin film can be directly picked, the incomplete compounded part is directly cut off, the compounding processing step of the high-barrier thin film is greatly simplified, and meanwhile the processing time efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of high-barrier film composite molding, and in particular to a composite preparation method for a high-barrier film product. Background Art

[0002] During the production of high-barrier films, a coating device applies one or more layers of specialty materials to a base film, imparting the film with gas and moisture barrier properties, as well as oxygen and fragrance resistance. Each additional layer of specialty material must be dried before the next layer can be laminated.

[0003] In the process of laminating the characteristic material on the substrate film with a small coating machine, the characteristic material is directly added to the substrate film, and then the fluid characteristic material is evenly applied to the substrate film through the extrusion of the coating roller. The thickness of the characteristic material compounded on the substrate film can also be controlled by adjusting the position of the coating roller. However, since the characteristic material is relatively viscous, when it is compounded on the substrate film through the coating roller, the characteristic material is evenly distributed in the middle of the substrate film, but is unevenly distributed when it extends to both sides (such as the attached Figure 9 In this case, the laminated high-barrier film cannot be used directly. The uneven parts on both sides need to be cut off to obtain a qualified high-barrier film product. However, the existing small coating machines on the market cannot directly cut and rewind the laminated film in sections. Therefore, the high-barrier film needs to be cut and processed again later, which increases the complexity of high-barrier film production and also reduces the production efficiency of high-barrier film. Summary of the Invention

[0004] The object of the present invention is to provide a composite preparation method for a high-barrier film product to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a composite preparation method of a high barrier film product, comprising the following steps:

[0006] S1. Flatten the base film using a coating device and coat the surface of the base film with a characteristic material;

[0007] S2. Control the coating thickness between 3-35um;

[0008] S3, drying the coated area using a drying device for 5-35 seconds, using a hot air drying device or an infrared heating drying device;

[0009] S4. Cutting both sides of the dried film by a slitting unit to retain the effectively coated portion of the film, and rolling up the effectively coated film.

[0010] Preferably, the coating device in S1 includes a table and two symmetrically distributed support plates mounted on the upper end surface of the table, one of the support plates is fixed to the table, and the other support plate is slidably assembled with the table, a first rotating shaft is rotatably arranged between the two support plates, and the outer surface of the first rotating shaft is sleeved with a base film roll, a rotation damper is fixedly arranged on the end of the support plate fixed to the table away from the first rotating shaft, and the rotating end of the rotation damper is fixed to the end of the first rotating shaft by a coupling, a limit frame is fixedly arranged on the upper end surface of the table, and a coating roller is also mounted above the limit frame, and the coating roller is positioned between the limit frame and the limit frame. The spacing between them can be adjusted by a threaded rod and a threaded sleeve. A guide roller and a second rotating shaft are sequentially provided on the side of the coating roller away from the first rotating shaft, and the guide roller is mounted on the top of the table. One end of the second rotating shaft is exposed, and the other end is rotatably mounted on the top of the table through a connecting plate. A motor is fixedly mounted on the outer wall of the connecting plate, and the output end of the motor is fixedly docked with the end of the second rotating shaft. A winding component is provided on the outside of the second rotating shaft, and the slitting unit is provided between the table and the winding component. A feeding unit is also provided above the limit frame plate, and the feeding unit is located between the coating roller and the first rotating shaft.

[0011] Preferably, the winding component includes a first winding drum and two second winding drums rotatably sleeved on the outer surface of the second rotating shaft, the first winding drum is located in the middle position of the second rotating shaft, the two second winding drums are symmetrically distributed at both ends of the first winding drum, and an annular groove is provided between each second winding drum and the first winding drum, the inner walls of the first winding drum and the second winding drum are each provided with at least one limiting slot, and the limiting slot is an isosceles trapezoid, three groups of partitions, a first spring and an arc top limiting plate are provided inside the second rotating shaft, the partition is fixed inside the second rotating shaft, the arc top limiting plate slides through the second rotating shaft, and the first spring is fixed between the partition and the arc top limiting plate, the arc end of the arc top limiting plate is slidably installed in the inside of the limiting slot, and the inner and outer diameters of the first winding drum and the second winding drum are consistent.

[0012] Preferably, the slitting unit includes a hollow frame located directly below each of the annular grooves, a connecting rod is fixedly arranged between the two hollow frames, the hollow frame is slidably fitted with the outer surfaces of the first winding drum and the second winding drum, a mounting bracket is placed at the inner center of each of the hollow frames, and a tension spring is fixedly arranged between the top of the mounting bracket and the hollow frame, the mounting bracket can move up and down inside the hollow frame without the two contacting, a cutting blade is fixedly arranged on the upper end surface of the mounting bracket which slides out of the hollow frame, and the exposed end of the cutting blade extends into the interior of the annular groove, the cutting blade is at the axial position of the tension spring, two symmetrically distributed micromotors are fixedly arranged at the bottom of the mounting bracket, and the output ends of the two micromotors are distributed facing each other, the output ends of the micromotors are fixedly equipped with eccentric wheels, the two eccentric wheels rotate synchronously in opposite directions, and the center of gravity of the two eccentric wheels will move upward or downward at the same time during rotation, and an elastic bearing component is also provided at the bottom of the connecting rod.

[0013] Preferably, the elastic bearing component includes a support rod fixed at the middle end of the connecting rod, and the support rod and the connecting rod are vertically distributed. A retaining ring is fixed on the outer surface of the upper end of the support rod, and a second spring is fixed between the lower end surface of the retaining ring and the table. A limiting member is also provided between the support rod and the table, and the limiting member is used to limit the support rod and the second spring from performing a reset action.

[0014] Preferably, the limit member includes a limit seat fixed inside the table, and the limit seat is slidably sleeved on the periphery of the support rod, and the side wall of the support rod is provided with a plurality of first ratchet teeth distributed in a straight line and equidistantly. The internal sliding assembly of the limit seat is equipped with a sliding plate, and the axis of the sliding plate is perpendicular to the axis of the support rod. The sliding plate is fixed with a second ratchet tooth at one end close to the support rod, and the second ratchet tooth is movably engaged with a plurality of the first ratchet teeth. A third spring is provided between the end of the sliding plate away from the second ratchet tooth and the limit seat, and the end of the sliding plate away from the second ratchet tooth is also fixed with a connecting column that slides through the limit seat, and a shift block is fixed at the end of the connecting column.

[0015] Preferably, a copper tube is fixedly provided at the bottom of the limiting seat, and a magnetic block movably provided inside the copper tube is fixedly provided at the bottom of the supporting rod.

[0016] Preferably, the feeding unit includes two symmetrically distributed frames fixedly mounted on the top of the table, a reciprocating screw and an optical axis are rotatably mounted between the two frames, a screw slider is slidingly sleeved between the reciprocating screw and the optical axis, and the screw slider moves back and forth under the rotation of the reciprocating screw, a liquid storage cylinder is fixed inside the screw slider by bolts, and the axis of the liquid storage cylinder is vertically distributed to the optical axis, a conical discharge port is provided at the bottom of the liquid storage cylinder, and a first piston disk is also provided inside the liquid storage cylinder, and a pressure component is provided between the liquid storage cylinder and the reciprocating screw.

[0017] Preferably, the pressurizing component includes a sealing cylinder fixedly mounted on the surface of each of the frame plates, and a second piston disc is slidably mounted inside the sealing cylinder, a push rod sliding through the sealing cylinder is fixedly mounted on the bottom of the second piston disc, and a fourth spring is arranged between the top of the second piston disc and the sealing cylinder, an air pipe is fixedly connected between the top of each sealing cylinder and the top outer surface of the liquid storage cylinder, and the connection between the air pipe and the sealing cylinder is docked through a first one-way valve, and the top of the sealing cylinder is also connected and equipped with a second one-way valve, and the outer surface of the reciprocating screw is fixedly sleeved with two elliptical wheels, and the two elliptical wheels are respectively located At the bottom of the two push rods, the flow direction of the first one-way valve is one-way flow from the sealing cylinder to the air pipe, and the flow direction of the second one-way valve is one-way flow from the outside to the inside of the sealing cylinder. A rotating column is provided below the rotary damper, and the rotating column is rotatably assembled inside the support plate. The rotating column and the first rotating shaft are assembled through a transmission structure. The transmission structure is a gear speed increaser that has a speed-increasing effect on the rotating column, or two mutually meshing gears that have a speed-increasing effect. When the first rotating shaft rotates one circle, the rotating column can rotate multiple circles. The rotating column and the reciprocating screw are assembled for transmission through a transmission gear and a transmission toothed belt.

[0018] Preferably, the major axis / minor axis of the two elliptical wheels are perpendicular.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] When the present invention composites the special material on the base film through the coating device, the composite dried film can be directly slit by the slitting unit, and the part of the film that is effectively composited with the special material can be directly removed, and the incomplete composite part can be directly cut off, which greatly simplifies the composite processing steps of the high barrier film and improves the processing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the hollow frame and connecting rod structure of the present invention;

[0023] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle;

[0024] Figure 4 For the present invention Figure 2 Enlarged view of point B in the middle;

[0025] Figure 5 This is a schematic diagram of the internal structure of the limit seat of the present invention;

[0026] Figure 6 This is a schematic structural diagram of the first rotating shaft, the rotary damper and the rotating column of the present invention;

[0027] Figure 7 This is a schematic diagram of the internal structure of the liquid storage cylinder of the present invention;

[0028] Figure 8 For the present invention Figure 7 Enlarged view of point C in the middle;

[0029] Figure 9 This is a schematic diagram of the film after composite processing by the existing composite device of the present invention.

[0030] In the figure: 1, table; 2, support plate; 3, first rotating shaft; 4, rotary damper; 5, limit frame plate; 6, coating roller; 7, guide roller; 8, drying equipment; 9, second rotating shaft; 10, first winding drum; 11, second winding drum; 12, annular groove; 13, partition; 14, first spring; 15, arc top limit plate; 16, limit slot; 17, hollow frame; 18, connecting rod; 19, mounting bracket; 20, tension spring; 21, cutting blade; 22, micro motor; 23, eccentric wheel; 24, support rod; 25, first Second spring; 26. Limit seat; 27. Sliding plate; 28. Connecting column; 29. Shift block; 30. Third spring; 31. First ratchet; 32. Second ratchet; 33. Magnetic block; 34. Copper tube; 35. Frame; 36. Reciprocating screw; 37. Rotating column; 38. Optical axis; 39. Screw slider; 40. Liquid storage cylinder; 41. First piston disc; 42. Air pipe; 43. Sealing cylinder; 44. Second piston disc; 45. Fourth spring; 46. Push rod; 47. First one-way valve; 48. Second one-way valve; 49. Elliptical wheel. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Example 1: Please refer to Figures 1-8 The composite preparation method of a high barrier film product shown in the figure includes the following steps:

[0033] S1. Flatten the base film using a coating device and coat the surface of the base film with a characteristic material;

[0034] S2. Control the coating thickness between 5-35um;

[0035] S3, the coated part is dried using a drying device 8, the drying time is 5-35s, and the drying device 8 is a hot air drying device or an infrared heating drying device;

[0036] S4. Cutting both sides of the dried film by a slitting unit to retain the effectively coated portion of the film, and rolling up the effectively coated film.

[0037] The coating device in S1 includes a table 1 and two symmetrically distributed support plates 2 mounted on the upper end surface of the table 1, one support plate 2 is fixed to the table 1, and the other support plate 2 is slidably assembled with the table 1, a first rotating shaft 3 is rotatably arranged between the two support plates 2, and the outer surface of the first rotating shaft 3 is sleeved with a base film roll, a rotation damper 4 is fixedly arranged on the end of the support plate 2 fixed to the table 1 away from the first rotating shaft 3, and the rotating end of the rotation damper 4 is fixed to the end of the first rotating shaft 3 by a coupling, wherein the model of the rotation damper 4 is: YS-1018A, a limit frame plate 5 is fixedly arranged on the upper end surface of the table 1, and a coating roller 6 is also mounted above the limit frame plate 5, the distance between the coating roller 6 and the limit frame plate 5 can be adjusted by a threaded rod and a threaded sleeve block, and the coating roller 6 is away from the first rotating shaft 3 On one side, a guide roller 7 and a second rotating shaft 9 are sequentially provided, and the guide roller 7 is mounted on the top of the table 1. One end of the second rotating shaft 9 is exposed, and the other end is rotatably mounted on the top of the table 1 through a connecting plate. A motor is fixedly mounted on the outer wall of the connecting plate, and the output end of the motor is fixedly docked with the end of the second rotating shaft 9. A winding component is provided on the outside of the second rotating shaft 9, and a slitting unit is provided between the table 1 and the winding component. A feeding unit is also provided above the limiting frame plate 5, and the feeding unit is located between the coating roller 6 and the first rotating shaft 3. When the first rotating shaft 3 rotates, it can trigger the feeding unit to extrude the characteristic material onto the upper end surface of the base film. When the characteristic material follows the base film through between the coating roller 6 and the limiting frame plate 5, it can be squeezed, thereby evenly coating the upper end surface of the base film.

[0038] The winding component includes a first winding drum 10 and two second winding drums 11 which are rotatably sleeved on the outer surface of the second rotating shaft 9. The first winding drum 10 is located in the middle of the second rotating shaft 9, and the two second winding drums 11 are symmetrically distributed at both ends of the first winding drum 10, and an annular groove 12 is provided between each second winding drum 11 and the first winding drum 10. The inner walls of the first winding drum 10 and the second winding drum 11 are each provided with at least one limiting groove 16, and the limiting groove 16 is an isosceles trapezoid. Three groups of partitions 13, a first spring 14 and an arc top limiting plate 15 are provided inside the second rotating shaft 9. The partition 13 is fixed inside the second rotating shaft 9, the arc top limiting plate 15 slides through the second rotating shaft 9, and the first spring 14 is fixed between the partition 13 and the arc top limit plate 15, and the arc end of the arc top limit plate 15 is slidably installed in the inside of the limit slot 16. The inner and outer diameters of the first winding drum 10 and the second winding drum 11 are consistent. The arc top limit plate 15 is a straight plate. It can only allow the second winding drum 11 and the first winding drum 10 to move laterally on the surface of the second rotating shaft 9 through the cooperation between the arc end and the two oblique waists of the limit slot 16, and cannot rotate at will. That is, the second rotating shaft 9 can use the engagement of the arc top limit plate 15 and the limit slot 16 to rotate the second winding drum 11 and the first winding drum 10, thereby winding the film, wherein the film can be fixed to the outer surfaces of the first winding drum 10 and the second winding drum 11 by bonding.

[0039] The slitting unit includes a hollow frame 17 located just below each annular groove 12, a connecting rod 18 is fixedly arranged between the two hollow frames 17, the hollow frame 17 is slidably fitted with the outer surface of the first winding drum 10 and the second winding drum 11, a mounting bracket 19 is placed in the inner center of each hollow frame 17, and a tension spring 20 is fixedly arranged between the top of the mounting bracket 19 and the hollow frame 17, the mounting bracket 19 can move up and down inside the hollow frame 17, and the two will not contact, the upper end surface of the mounting bracket 19 is fixedly provided with a cutting blade 21 that slides out of the hollow frame 17, and the exposed end of the cutting blade 21 extends into the interior of the annular groove 12, the cutting blade 21 is at the axial position of the tension spring 20, and two symmetrically distributed micro motors 22 are fixedly arranged at the bottom of the mounting bracket 19, and the two micro motors The output ends of the machine 22 are distributed in opposite directions. The output ends of the micro motor 22 are fixedly equipped with an eccentric wheel 23. The two eccentric wheels 23 rotate synchronously in opposite directions, and the center of gravity of the two eccentric wheels 23 will move upward or downward at the same time during the rotation process. An elastic bearing component is also provided at the bottom of the connecting rod 18. Under the action of the elastic bearing component, as the thickness of the film wound by the first winding drum 10 and the second winding drum 11 increases, the hollow frame 17 and the connecting rod 18 will be pushed downward. At the same time, when the micro motor 22 rotates at high speed, the mounting frame 19 can move up and down at a high frequency with the cutting blade 21 inside the hollow frame 17. The axial movement of the cutting blade 21 inside the annular groove 12 can divide the film into three parts. The film in the middle part is a qualified product with effective coating, and the films on both sides are waste products.

[0040] The elastic bearing component includes a support rod 24 fixed to the middle end of the connecting rod 18, and the support rod 24 and the connecting rod 18 are distributed vertically. A retaining ring is fixed on the outer surface of the upper end of the support rod 24, and a second spring 25 is fixed between the lower end surface of the retaining ring and the table 1. A limiting member is also provided between the support rod 24 and the table 1. The limiting member is used to limit the support rod 24 and the second spring 25 from resetting. Under the action of the limiting member, when the film wound on the surface of the first winding drum 10 and the second winding drum 11 is disassembled, the slitting unit will not hinder the movement of the first winding drum 10 and the second winding drum 11.

[0041] The limiting member includes a limiting seat 26 fixed to the inside of the table 1, and the limiting seat 26 is slidably sleeved on the periphery of the support rod 24. The side wall of the support rod 24 is provided with a plurality of first ratchet teeth 31 distributed in a straight line and equidistantly. The internal sliding assembly of the limiting seat 26 is provided with a sliding plate 27, and the axis of the sliding plate 27 is perpendicular to the axis of the support rod 24. The end of the sliding plate 27 close to the support rod 24 is fixed with a second ratchet 32, and the second ratchet 32 is movably engaged with the plurality of first ratchet teeth 31. The end of the sliding plate 27 away from the second ratchet teeth 32 is fixed with the limiting member. A third spring 30 is provided between the seats 26, and a connecting column 28 that slides through the limit seat 26 is fixedly provided at one end of the sliding plate 27 away from the second ratchet 32, and a shift block 29 is fixedly provided at the end of the connecting column 28. The second ratchet 32 is used to limit the first ratchet 31 and the support rod 24 to move downward and cannot move upward. The connecting column 28 can be shifted by the shift block 29 so that the second ratchet 32 no longer restricts the first ratchet 31, thereby allowing the support rod 24 to be reset under the action of the second spring 25.

[0042] Example 2: Please refer to Figure 5 This embodiment is a further explanation of the first embodiment. A copper tube 34 is fixedly provided at the bottom of the limit seat 26, and a magnetic block 33 movably provided inside the copper tube 34 is fixedly provided at the bottom of the support rod 24. When the magnetic block 33 moves inside the copper tube 34, it will be subjected to electromagnetic damping, which slows down the movement speed of the magnetic block 33.

[0043] Example 3: Please refer to Figure 6-Figure 8 The present embodiment is a further explanation of the first embodiment. The feeding unit includes two symmetrically distributed racks 35 fixedly mounted on the top of the table 1. A reciprocating screw 36 and an optical axis 38 are rotatably mounted between the two racks 35. A screw slider 39 is slidably sleeved between the reciprocating screw 36 and the optical axis 38. Under the rotation of the reciprocating screw 36, the screw slider 39 is reciprocated. A liquid storage cylinder 40 is fixed inside the screw slider 39 by bolts, and the axis of the liquid storage cylinder 40 is perpendicular to the optical axis 38. A conical discharge port is opened at the bottom of the liquid storage cylinder 40, and a first piston disc 41 is further provided inside the liquid storage cylinder 40. A pressure component is provided between the liquid storage cylinder 40 and the reciprocating screw 36. Under the action of the pressure component, as the reciprocating screw 36 continues to rotate, the first piston disc 41 inside the liquid storage cylinder 40 can be continuously moved downward, and the special material inside the liquid storage cylinder 40 is squeezed out through the discharge port at its bottom and drips onto the upper end surface of the film.

[0044] The pressurizing component includes a sealing cylinder 43 fixedly mounted on the surface of each frame plate 35, and a second piston disc 44 is slidably assembled inside the sealing cylinder 43, a push rod 46 that slides through the sealing cylinder 43 is fixedly arranged at the bottom of the second piston disc 44, and a fourth spring 45 is arranged between the top of the second piston disc 44 and the sealing cylinder 43, and an air pipe 42 is fixedly connected between the top of each sealing cylinder 43 and the top outer surface of the liquid storage cylinder 40, and the connection between the air pipe 42 and the sealing cylinder 43 is docked through a first one-way valve 47, and the top of the sealing cylinder 43 is also connected and equipped with a second one-way valve 48, and the outer surface of the reciprocating screw rod 36 is fixedly sleeved with two elliptical wheels 49, and the two elliptical wheels 49 are respectively located at the bottom of the two push rods 46, and the flow direction of the first one-way valve 47 is one-way flow from the sealing cylinder 43 to the air pipe 42, and the flow direction of the second one-way valve 48 is one-way flow. The direction is one-way flow from the outside to the inside of the sealing cylinder 43. A rotating column 37 is provided under the rotary damper 4, and the rotating column 37 is rotatably assembled inside the support plate 2. The rotating column 37 and the first rotating shaft 3 are assembled through a transmission structure. The transmission structure is a gear speed increaser that has an accelerating effect on the rotating column 37, or two mutually meshing gears that have an accelerating effect. When the first rotating shaft 3 rotates one circle, the rotating column 37 can rotate multiple circles. The rotating column 37 and the reciprocating screw 36 are driven by a transmission gear and a transmission toothed belt. When the reciprocating screw 36 rotates with the elliptical wheel 49, the second piston disc 44 can be reciprocated inside the sealing cylinder 43 through the action of the fourth spring 45, thereby injecting gas into the interior of the liquid storage cylinder 40 and pushing the first piston disc 41 downward, where the liquid storage cylinder 40 is a disposable container for loading special materials.

[0045] The major axis / minor axis of the two elliptical wheels 49 are vertical, that is, when the two elliptical wheels 49 rotate with the reciprocating screw 36, they alternately push the push rod 46 upward, thereby continuously injecting gas into the interior of the liquid storage cylinder 40 as the reciprocating screw 36 rotates.

[0046] Working principle: According to the above steps, and Figure 1The movement of the film in the middle, first pull the base film on the base film roll out, and at the same time pass through the limit frame plate 5 and the coating roller 6, cross the top of the drying equipment 8, and finally adhere to the outer surface of the first winding drum 10 and the second winding drum 11, and the second rotating shaft 9 is driven to rotate by the motor. The second rotating shaft 9 is engaged with the first winding drum 10 and the second winding drum 11 through the arc top limit plate 15 and the limit slot 16. When the base film is wound, the rotary damper 4 can slow down the rotation speed of the first rotating shaft 3, so that the base film is always in a taut state during the movement. The rotation of the first rotating shaft 3 can make the rotating column 37 and the reciprocating screw 36 rotate synchronously, so that the screw slider 39 can carry the liquid storage cylinder 40 to reciprocate above the base film. The two elliptical wheels 49 move laterally and move synchronously through the reciprocating screw 36. The two elliptical wheels 49 can alternately push the two push rods 46 upward, thereby continuously injecting gas into the top of the liquid storage cylinder 40, and push the first piston disc 41 downward under the action of the air pressure, so that the special material inside the liquid storage cylinder 40 is squeezed out and drips onto the surface of the base film. In the process of the special material moving with the base film, the special material can be compounded on the surface of the base film with a certain thickness through the action of the coating roller 6 and the limiting frame plate 5. After compounding, as the film moves, the drying device 8 can dry the special material, so that the film can be wound up by the first winding drum 10 and the second winding drum 11 with the composite coating at the same time;

[0047] Under the elastic push of the support rod 24 on the second spring 25, the hollow frame 17 can be pressed against the outer surface of the first winding drum 10 and the second winding drum 11, and the cutting blade 21 can be extended into the inside of the annular groove 12. As the first winding drum 10 and the second winding drum 11 rewind the composite film, the cutting blade 21 can move up and down with high frequency and small displacement under the driving action of the micro motor 22 on the eccentric wheel 23, thereby realizing the direct slitting of both sides of the composite film during the process of the first winding drum 10 and the second winding drum 11 rewinding the composite film, thereby directly separating the uneven composite part from the composite uniform reset part (reference here Figure 9 , its two sides are composite uneven parts, and the middle is composite uniform part), realizing direct cutting and separate winding, thereby avoiding the existing processing method of first uniformly winding the composite film and then slitting the two sides of the composite film.

[0048] According to the processing method in the above-mentioned scheme, the steps of slitting and rolling the composite film in the prior art can be simplified, and at the same time, the effective parts of the composite film can be directly rolled up for processing.

[0049] It is worth noting that the linear motion of the base film, combined with the reciprocating feeding of the liquid storage cylinder 40, can form a wavy feeding trajectory on the surface of the base film, which can greatly improve the uniformity of the composite special materials on both sides of the upper end surface of the base film, that is, reduce the area of the film to be cut later.

[0050] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0051] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A composite preparation method for a high barrier film product, characterized in that: The steps include: S1. Flatten the base film using a coating device and coat the surface of the base film with a characteristic material; S2. Control the coating thickness between 10-20um; S3, drying the coated area using a drying device (8), with a drying time of 6-11 seconds; S4. Cutting both sides of the dried film by a slitting unit to retain the effectively coated portion of the film, and rolling up the effectively coated film.

2. The composite preparation method of a high barrier film product according to claim 1, characterized in that: The coating device in S1 comprises a table (1) and two symmetrically distributed support plates (2) mounted on the upper end surface of the table (1); a first rotating shaft (3) is rotatably arranged between the two support plates (2); a rotary damper (4) is fixedly arranged at one end of the support plate (2) away from the first rotating shaft (3), and the rotating end of the rotary damper (4) is fixed to the end of the first rotating shaft (3); a limit frame plate (5) is fixedly arranged on the upper end surface of the table (1), and the ... A coating roller (6) is also mounted above the frame plate (5), and a guide roller (7) and a second rotating shaft (9) are sequentially arranged on the side of the coating roller (6) away from the first rotating shaft (3), and the guide roller (7) is mounted on the top of the table plate (1), one end of the second rotating shaft (9) is exposed, and the other end is rotatably mounted on the top of the table plate (1), and a winding component is arranged on the outside of the second rotating shaft (9). A feeding unit is also arranged above the limiting frame plate (5).

3. The composite preparation method of a high barrier film product according to claim 2, characterized in that: The winding component comprises a first winding drum (10) and two second winding drums (11) which are rotatably sleeved on the outer surface of the second rotating shaft (9), wherein the first winding drum (10) is located in the middle of the second rotating shaft (9), and the two second winding drums (11) are symmetrically distributed at both ends of the first winding drum (10), and an annular groove (12) is provided between each of the second winding drums (11) and the first winding drum (10), and the inner walls of the first winding drum (10) and the second winding drum (11) are At least one limiting slot (16) is provided, and three groups of partitions (13), a first spring (14) and an arc top limiting plate (15) are provided inside the second rotating shaft (9), the partition (13) is fixed inside the second rotating shaft (9), the arc top limiting plate (15) slides through the second rotating shaft (9), and the first spring (14) is fixed between the partition (13) and the arc top limiting plate (15), and the arc end of the arc top limiting plate (15) is slidably mounted inside the limiting slot (16).

4. The composite preparation method of a high barrier film product according to claim 3, characterized in that: The slitting unit comprises a hollow frame (17) located directly below each of the annular grooves (12), a connecting rod (18) is fixedly arranged between the two hollow frames (17), the hollow frames (17) are slidably fitted with the outer surfaces of the first winding drum (10) and the second winding drum (11), a mounting frame (19) is placed at the inner center of each of the hollow frames (17), and a top of the mounting frame (19) is fixedly arranged between the hollow frame (17). A tension spring (20) is provided, and a cutting blade (21) is fixedly provided on the upper end surface of the mounting frame (19) and is slidably extended from the hollow frame (17), and the exposed end of the cutting blade (21) extends into the interior of the annular groove (12). Two symmetrically distributed micro motors (22) are fixedly provided on the bottom of the mounting frame (19), and an eccentric wheel (23) is fixedly mounted on the output end of the micro motor (22). An elastic bearing component is also provided on the bottom of the connecting rod (18).

5. The composite preparation method of a high barrier film product according to claim 4, characterized in that: The elastic bearing component includes a support rod (24) fixed to the middle end of the connecting rod (18), and the support rod (24) and the connecting rod (18) are vertically distributed. A clamping ring is fixedly provided on the outer surface of the upper end of the support rod (24), and a second spring (25) is fixedly provided between the lower end surface of the clamping ring and the table (1). A limiting member is also provided between the support rod (24) and the table (1).

6. The composite preparation method of a high barrier film product according to claim 5, characterized in that: The limiting member includes a limiting seat (26) fixed inside the table (1), and the limiting seat (26) is slidably sleeved on the periphery of the support rod (24), and the side wall of the support rod (24) is provided with a plurality of first ratchet teeth (31) distributed in a straight line and equidistantly. The internal sliding assembly of the limiting seat (26) is provided with a sliding plate (27), and the sliding plate (27) is fixedly provided with a second ratchet tooth (32) at one end close to the support rod (24), and the second ratchet tooth (32) is movably engaged with a plurality of the first ratchet teeth (31). A third spring (30) is provided between the end of the sliding plate (27) away from the second ratchet tooth (32) and the limiting seat (26), and the end of the sliding plate (27) away from the second ratchet tooth (32) is also fixedly provided with a connecting column (28) that slides through the limiting seat (26), and a shift block (29) is fixedly provided at the end of the connecting column (28).

7. The composite preparation method of a high barrier film product according to claim 6, characterized in that: A copper tube (34) is fixedly provided at the bottom of the limiting seat (26), and a magnetic block (33) movably provided inside the copper tube (34) is fixedly provided at the bottom of the supporting rod (24).

8. The composite preparation method of a high barrier film product according to claim 2, characterized in that: The feeding unit comprises two symmetrically distributed racks (35) fixedly mounted on the top of the table (1); a reciprocating screw (36) and an optical axis (38) are rotatably mounted between the two racks (35); a screw slider (39) is slidably sleeved between the reciprocating screw (36) and the optical axis (38); a liquid storage cylinder (40) is fixedly arranged inside the screw slider (39); a conical discharge port is provided at the bottom of the liquid storage cylinder (40); a first piston disc (41) is also provided inside the liquid storage cylinder (40); and a pressurizing component is provided between the liquid storage cylinder (40) and the reciprocating screw (36).

9. The composite preparation method of a high barrier film product according to claim 8, characterized in that: The pressurizing component includes a sealing cylinder (43) fixedly mounted on the surface of each frame plate (35), and a second piston disc (44) is slidably mounted inside the sealing cylinder (43), a push rod (46) that slides through the sealing cylinder (43) is fixedly arranged at the bottom of the second piston disc (44), and a fourth spring (45) is arranged between the top of the second piston disc (44) and the sealing cylinder (43), and an air pipe (42) is fixedly connected between the top of each sealing cylinder (43) and the top outer surface of the liquid storage cylinder (40), and the connection between the air pipe (42) and the sealing cylinder (43) is fixedly arranged. The first one-way valve (47) is connected to the sealing cylinder (43), and the top of the sealing cylinder (43) is also connected and equipped with a second one-way valve (48). The outer surface of the reciprocating screw rod (36) is fixed with two elliptical wheels (49), and the two elliptical wheels (49) are respectively located at the bottom of the two push rods (46). A rotating column (37) is provided below the rotary damper (4), and the rotating column (37) is rotatably assembled inside the support plate (2). The rotating column (37) and the first rotating shaft (3) are assembled through a transmission structure, and the rotating column (37) and the reciprocating screw rod (36) are assembled for transmission.

10. The composite preparation method of a high barrier film product according to claim 9, characterized in that: The major axis / minor axis of the two elliptical wheels (49) are vertical.

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