A laminating machine for bubble film production

Abstract

The present application relates to bubble film production technical field, specifically for a kind of bubble film production with laminator, including bubble film laminator equipment, the lower side of the bubble film laminator equipment is provided with bubble film winding component, the upper side of the other side of the bubble film laminator equipment is provided with bubble-containing film roll mounting component, beneficial effect is that: by design synchronous extension conveying component and film laminating component, utilize substrate film adsorption conveying roller, bubble-containing film adsorption conveying roller cooperate independently with two film materials are guided into, and are extended and arranged, so that two film materials are transported to laminating frame with the same speed, and the heating coating adhesive of lower film is completed in the conveying process, after entering laminating frame, utilize gas to make two film materials adhere, not only make film between natural adhesion avoid tearing, then utilize the occlusion of laminating box board to make laminating strip interlaced so that film is extruded and guarantee adhered in place, while guaranteeing that film conveying speed is same, improve the laminating quality of film.

Description

Technical Field

[0001] This invention belongs to the field of bubble film production technology, and specifically relates to a laminator for bubble film production. Background Technology

[0002] Bubble wrap is a common packaging material widely used to protect goods from impacts, vibrations, and other physical damage during transportation and storage. It consists of two layers of plastic film with multiple small air bubbles sandwiched between them, providing excellent cushioning. The production process involves extruding molten polyethylene into a continuous film using an extruder. A special die design allows for simultaneous gas injection during extrusion. Because the plastic is under high temperature and pressure during extrusion, a certain amount of gas, such as nitrogen or air, can dissolve. As the plastic is extruded from the die and gradually cools, the pressure decreases, and the dissolved gas begins to precipitate, forming tiny bubbles. Due to the rapid cooling, these newly formed bubbles are fixed in place before they can dissipate, creating a stable bubble structure. Then, a laminator is used to bond the bubble-bearing side to another smooth plastic film, forming the final bubble wrap. In existing technologies, uneven contact between the bubble wrap and the substrate film during lamination can lead to quality defects in the laminated product, such as wrinkles and poor adhesion, affecting the production quality of the bubble wrap.

[0003] A Chinese patent document with publication number CN112829429B proposes a partially tilted protective film laminator for flat panel display glass. This laminator provides vacuum adsorption force by tilting only the front end, thereby reducing the contact area and friction between the laminator and the lower surface of the glass during transport. This allows the moving glass and film to be tightly bonded together. However, while this solution uses a rigid glass substrate, and vacuum adsorption can be used for bonding, it can also cause the film to be adsorbed onto a vacuum plate, potentially leading to incomplete bonding or even tearing during lamination.

[0004] Therefore, this invention proposes a laminator for bubble wrap production, which solves the problem in the prior art where, during the production of bubble wrap, the substrate is a membrane material and the membrane is adsorbed onto the vacuum plate during vacuum adsorption transport, which may lead to inadequate adhesion or even tearing between the membranes during lamination. The invention employs a lamination component with air exchange designed to work in conjunction with the conveying roller component. Air is drawn in during the introduction of the membrane substrate for membrane adsorption transport, and during lamination, the air is discharged through the lamination box plate, using gas to push and bond the two layers of membrane together. This improves the lamination quality of the membrane while ensuring the same membrane conveying speed. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a laminating machine for bubble film production, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a laminator for bubble film production, comprising a bubble film laminator device, wherein a bubble film winding component is disposed below one side of the bubble film laminator device, a bubble film roll mounting component is disposed above the other side of the bubble film laminator device, a substrate film roll mounting component is disposed below the other side of the bubble film laminator device, a synchronous stretching conveyor component is disposed inside the bubble film laminator device near the bubble film roll mounting component and the substrate film roll mounting component, and a film laminating component is disposed inside the bubble film laminator device near the bubble film winding component, the synchronous stretching conveyor component comprising an upper tensioning conveyor frame, a lower tensioning conveyor frame and an stretching swing frame, and the film laminating component comprising a laminating frame, a laminating box plate and a laminating roller.

[0007] Preferably, the synchronous stretching conveying component further includes a bubble-containing film inlet roller assembly and a substrate film inlet roller assembly. The bubble-containing film inlet roller assembly is disposed below the substrate film inlet roller assembly. The outer shell side surface of the bubble film laminator is respectively provided with drive components for driving the bubble-containing film inlet roller assembly and the substrate film inlet roller assembly to rotate. The upper tensioning conveyor frame and the lower tensioning conveyor frame have the same structure and are symmetrically fixedly installed on the inner side wall of the bubble film laminator.

[0008] Preferably, a bubble-containing film adsorption conveying roller is rotatably installed inside the lower part of the upper tensioning conveyor frame, and a substrate film adsorption conveying roller is rotatably installed inside the upper part of the lower tensioning conveyor frame. The outer shell side surface of the bubble film laminator is respectively provided with motors that drive the bubble-containing film adsorption conveying roller and the substrate film adsorption conveying roller to rotate. The rotation directions of the bubble-containing film adsorption conveying roller and the substrate film adsorption conveying roller are opposite. The extension swing frame is symmetrically arranged on both sides of the bubble-containing film adsorption conveying roller and the substrate film adsorption conveying roller. The side walls of the lower tensioning conveyor frame and the upper tensioning conveyor frame are provided with limiting movable grooves adapted to the extension swing frame.

[0009] Preferably, one end of the extended swing frame is rotatably mounted on the side wall of the bubble film laminating machine via a rotating shaft. A small gear is fixedly mounted on one end of the rotating shaft of the extended swing frame. A drive gear frame is slidably mounted on the inner side of the outer shell of the bubble film laminating machine. The inner surface of the drive gear frame meshes with the outer surface of the small gear. A telescopic rod that drives the drive gear frame to slide is fixedly mounted on the inner side of the outer shell of the bubble film laminating machine.

[0010] Preferably, a tensioning arc-shaped pad is hinged to the other end of the extended swing frame, a sorting round bar is movably installed on one side of the tensioning arc-shaped pad, and a membrane contact pad is hinged to the other side of the tensioning arc-shaped pad.

[0011] Preferably, a heat insulation protection plate is provided between the lower tensioning conveyor and the upper tensioning conveyor. The upper tensioning conveyor and the lower tensioning conveyor are symmetrically provided with a lower central guide roller and an upper central guide roller on the side of the laminating frame. The lower central guide roller and the upper central guide roller are rotatably mounted on the side wall of the bubble film laminating machine. The outer shell side surface of the bubble film laminating machine is respectively provided with a motor to drive the lower central guide roller and the upper central guide roller to rotate.

[0012] Preferably, hot air output components are symmetrically fixedly installed on both sides of the lower surface of the heat insulation protection plate. The hot air outlets of the hot air output components are all located obliquely above the substrate film adsorption and conveying roller. An adhesive storage box is fixedly installed in the middle of the lower surface of the heat insulation protection plate. An adhesive input pipe is fixedly installed on the inner wall of one side of the adhesive storage box. A coating roller rotates at the bottom outlet of the adhesive storage box. A motor that drives the coating roller to rotate is fixedly installed on the outer side wall of the bubble film laminating machine. V-shaped adhesive storage grooves are evenly distributed on the outer surface of the coating roller.

[0013] Preferably, the laminating frame is fixedly installed on the inner wall of the bubble film laminating machine. A laminating box plate is symmetrically and rotatably installed on the side of the laminating frame near the upper and lower central inlet rollers. A finished bubble film output component is provided on the other side of the laminating frame. A laminating roller is provided between the finished bubble film output component and the laminating box plate. Cam components are symmetrically provided on the outer side of the laminating box plate. The cam components are rotatably installed on the side wall of the bubble film laminating machine. Motors for driving the laminating roller, the finished bubble film output component, and the cam components are respectively provided on the outer shell side surface of the bubble film laminating machine.

[0014] Preferably, a spring connecting rod is movably installed on the outer surface of the laminate box plate, and the other end of the spring connecting rod is movably connected to the inner surface of the laminating frame. Laminate strips are evenly distributed on the inner surface of the laminate box plate, and a gas discharge groove is opened at one end of the laminate strip.

[0015] Preferably, air pumps are symmetrically arranged on the outer surface of the laminating frame. An air extraction pipe is fixedly installed at the input pipe end of the air pump, and a gas input pipe is fixedly installed at the output pipe end of the air pump. A corrugated pipe is fixedly installed at the lower end of the gas input pipe, and the corrugated pipe penetrates the inner wall of the laminating frame and is fixedly connected to the inner wall of the laminating box plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] By designing synchronous stretching and conveying components and film lamination components, two layers of film material are independently introduced and stretched using substrate film adsorption conveying rollers and bubble-containing film adsorption conveying rollers. This ensures that the two layers of film material are conveyed to the lamination frame at the same speed. During the conveying process, the lower layer of film is heated and coated with adhesive. After entering the lamination frame, gas is used to bond the two layers of film material. This not only ensures natural adhesion between the films and prevents tearing, but also utilizes the interlocking of the lamination box plates to make the lamination strips interlaced, compressing the films to ensure proper adhesion. This approach improves the lamination quality of the film while ensuring the same film conveying speed. It solves the problem in the existing technology where, during the production of bubble film, the substrate is a film material, and vacuum adsorption conveying can cause the film to be adsorbed onto the vacuum plate, potentially leading to inadequate adhesion or even tearing during lamination. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of one side of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the overall structure of the present invention after one side of the outer casing is opened;

[0020] Figure 3 This is a schematic diagram of the overall structure on the other side of the present invention;

[0021] Figure 4 This is a schematic diagram of the overall structure of the other side of the outer casing of the present invention after it is opened;

[0022] Figure 5 This is a top view of the overall internal structure of the present invention;

[0023] Figure 6 This is a schematic diagram of the overall internal structure of the present invention from below;

[0024] Figure 7 This is a schematic diagram of one side of the synchronous stretching and conveying component and the membrane lamination component of the present invention;

[0025] Figure 8 This is a schematic diagram of the other side of the synchronous stretching and conveying component and the membrane lamination component of the present invention;

[0026] Figure 9 This is a schematic diagram of the overall structure of the upper tensioning conveyor and the lower tensioning conveyor of the present invention;

[0027] Figure 10 This is a schematic diagram of the overall structure of the laminating frame of the present invention;

[0028] Figure 11 This is a schematic diagram of the extended swing frame structure of the present invention;

[0029] Figure 12 This is a schematic diagram of the laminated box panel structure of the present invention;

[0030] Figure 13 For the present invention Figure 12 A magnified structural diagram at point A.

[0031] In the diagram: 1. Bubble film laminating machine; 2. Bubble film winding assembly; 3. Bubble film roll mounting assembly; 4. Substrate film roll mounting assembly; 5. Synchronous stretching conveyor assembly; 51. Bubble film inlet roller assembly; 52. Substrate film inlet roller assembly; 53. Upper tensioning conveyor frame; 531. Bubble film adsorption conveyor roller; 54. Lower tensioning conveyor frame; 541. Substrate film adsorption conveyor roller; 55. Heat insulation protection plate; 551. Hot air output assembly; 552. Adhesive storage box; 553. Coating roller; 5531. V-shaped adhesive storage trough; 56. Lower concentrator... 57. Inlet roller; 58. Upper central inlet roller; 59. Extending swing frame; 50. Pinion; 51. Drive gear frame; 52. Tensioning arc pad; 53. Straightening round bar; 54. Membrane contact pad; 55. Telescopic rod; 6. Membrane lamination components; 61. Lamination frame; 611. Air pump; 612. Gas input pipe; 6121. Corrugated pipe; 613. Suction pipe; 62. Finished bubble film output assembly; 63. Lamination box plate; 631. Spring connecting rod; 632. Lamination strip; 6321. Gas discharge groove; 64. Lamination roller; 65. Cam assembly. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the present invention clear and complete, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of the present invention, and are merely illustrative of the embodiments of the present invention. They are not intended to limit the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example 1

[0034] Please see Figures 1 to 13This invention provides a technical solution: a laminator for bubble wrap production, comprising a bubble wrap laminator 1, a bubble wrap winding component 2 disposed on one side of the bubble wrap laminator 1, a bubble wrap film roll mounting component 3 disposed on the other side of the bubble wrap laminator 1, a substrate film roll mounting component 4 disposed on the other side of the bubble wrap laminator 1, a synchronous stretching conveyor 5 disposed inside the bubble wrap laminator 1 near the bubble wrap film roll mounting component 3 and the substrate film roll mounting component 4, and a film laminating component 6 disposed inside the bubble wrap laminator 1 near the bubble wrap winding component 2. The synchronous stretching conveyor 5 includes an upper tensioning conveyor 53 and a lower tensioning conveyor 54. The bubble film laminating machine 1 includes a conveyor frame 54 and an extension swing frame 58. The film laminating component 6 includes a laminating frame 61, a laminating box plate 63, and a laminating roller 64. The synchronous extension conveying component 5 also includes a bubble-containing film inlet roller assembly 51 and a substrate film inlet roller assembly 52. ​​The bubble-containing film inlet roller assembly 51 is positioned below the substrate film inlet roller assembly 52. ​​Drive components for rotating the bubble-containing film inlet roller assembly 51 and the substrate film inlet roller assembly 52 are respectively provided on the outer surface of the bubble film laminating machine 1. The upper tensioning conveyor frame 53 and the lower tensioning conveyor frame 54 have identical structures and are symmetrically fixedly installed on the inner wall of the bubble film laminating machine 1. The upper tensioning conveyor frame 53... A bubble-filled film adsorption conveyor roller 531 is rotatably mounted inside the lower part of the inner part of the lower tensioning conveyor frame 54, and a substrate film adsorption conveyor roller 541 is rotatably mounted inside the upper part of the inner part of the bubble film laminator 1. Motors driving the bubble-filled film adsorption conveyor roller 531 and the substrate film adsorption conveyor roller 541 to rotate are respectively provided on the outer surface of the outer shell of the bubble film laminator 1. The rotation directions of the bubble-filled film adsorption conveyor roller 531 and the substrate film adsorption conveyor roller 541 are opposite. An extended swing frame 58 is symmetrically arranged on both sides of the bubble-filled film adsorption conveyor roller 531 and the substrate film adsorption conveyor roller 541. Limiting grooves adapted to the extended swing frame 58 are provided on the side walls of both the lower tensioning conveyor frame 54 and the upper tensioning conveyor frame 53. One end of the extended swing frame 58 is rotatably mounted on the side wall of the bubble film laminating machine 1 via a rotating shaft. A small gear 581 is fixedly mounted on one end of the rotating shaft of the extended swing frame 58. A drive gear frame 582 is slidably mounted on the inner side of the outer shell of the bubble film laminating machine 1. The inner surface of the drive gear frame 582 meshes with the outer surface of the small gear 581. A telescopic rod 59 that drives the drive gear frame 582 to slide is fixedly mounted on the inner side of the outer shell of the bubble film laminating machine 1. A tensioning arc-shaped pad 583 is hinged to the other end of the extended swing frame 58. A sorting round rod 5831 is movably mounted on one side of the inner side of the tensioning arc-shaped pad 583. A film contact pad 5832 is hinged to the other side of the inner side of the tensioning arc-shaped pad 583.

[0035] In this embodiment, a control device is provided on one side of the bubble film laminating machine 1. The bubble film winding component 2 is used to wind up the finished product after bubble film lamination. The bubble film roll mounting component 3 is used to install the bubble film roll waiting to be laminated. The substrate film roll mounting component 4 is used to install the substrate film roll waiting to be laminated. The bubble film inlet roller assembly 51 and the substrate film inlet roller assembly 52 have the same structure, both consisting of two rollers rotating in opposite directions. With the cooperation of the inlet rollers on one side, the substrate film and the bubble film are respectively introduced into the bubble film laminating machine 1. The upper tensioning conveyor frame 53 and the lower tensioning conveyor frame 54 mainly serve to limit the bubble film adsorption conveyor roller 531 and the substrate film adsorption conveyor roller 541. The bubble film adsorption conveyor roller 531 and the substrate film adsorption conveyor roller 541 have uniformly distributed adsorption micropores on their surfaces for air extraction. When the film material passes through, the film is adsorbed and rotated in the same direction and at the same speed. The lower tensioning conveyor frame 54 and the upper tensioning conveyor frame 53 are closely attached to the substrate film adsorption conveyor roller 541 and the bubble film inlet roller 541. On the surface of the film adsorption conveying roller 531, after the film is adsorbed and rotated to a certain position, the substrate film adsorption conveying roller 541 and the air holes of the bubble-containing film adsorption conveying roller 531 enter the closed shell inside the lower tensioning conveying frame 54 and the upper tensioning conveying frame 53. At this time, the film naturally peels off and, in conjunction with the swing of the extension swing frame 58, naturally enters the lower centralized guide roller 56 and the upper centralized guide roller 57, and is close to the inner side of the guide laminating frame 61 for lamination. The swinging action of the extension swing frame 58 is to... When the membrane adsorption conveying roller 541 continues to rotate, the telescopic rod 59 extends and retracts, pulling the drive gear frame 582 to move. The drive gear frame 582 drives the pinion 581 to rotate back and forth, causing the extension swing frame 58 to drive the tensioning arc-shaped pad 583 to swing back and forth in a small amplitude. During membrane conveying, the membrane is supported and extended. The sorting round bar 5831 rolls during the back and forth swing, which can effectively sort out wrinkles. The membrane contact pad 5832 can dynamically adjust the tension of the membrane to avoid slack or overstretching, making the membrane conveying more stable.

[0036] Example 2

[0037] Please see Figures 1 to 13Based on Embodiment 1, this embodiment further proposes that a heat insulation protection plate 55 is provided between the lower tensioning conveyor frame 54 and the upper tensioning conveyor frame 53. A lower centralized guide roller 56 and an upper centralized guide roller 57 are symmetrically arranged on the side of the upper tensioning conveyor frame 53 and the lower tensioning conveyor frame 54 near the laminating frame 61. The lower centralized guide roller 56 and the upper centralized guide roller 57 are rotatably mounted on the side wall of the bubble film laminating machine 1. Motors driving the lower centralized guide roller 56 and the upper centralized guide roller 57 to rotate are fixedly installed on the outer surface of the bubble film laminating machine 1. The rotation direction and speed of the lower centralized guide roller 56 are the same as the rotation direction of the substrate film adsorption conveying roller 541, and the rotation of the upper centralized guide roller 57 is... The direction and speed are the same as the rotation direction of the bubble film adsorption conveying roller 531. Hot air output components 551 are symmetrically fixed on both sides of the lower surface of the heat insulation plate 55. The hot air outlets of the hot air output components 551 are all obliquely set above the substrate film adsorption conveying roller 541. An adhesive storage box 552 is fixedly installed in the middle of the lower surface of the heat insulation plate 55. An adhesive input pipe is fixedly installed on the inner wall of one side of the adhesive storage box 552. A coating roller 553 rotates at the bottom outlet of the adhesive storage box 552. A motor that drives the coating roller 553 to rotate is fixedly installed on the side wall of the outer shell of the bubble film laminating machine 1. V-shaped adhesive storage grooves 5531 are evenly distributed on the outer surface of the coating roller 553.

[0038] In this embodiment, the heat insulation plate 55 mainly serves to insulate against heat, preventing the air-filled film roll from being affected by high temperatures. The coating roller 553 rotates to export the adhesive from the adhesive storage box 552 and evenly coat it onto the substrate film above the substrate film adsorption conveying roller 541. Because the substrate film adsorption conveying roller 541 adsorbs the substrate film, it keeps the film stable. During the coating process, the V-shaped adhesive storage groove 5531 is squeezed and expanded to ensure sufficient adhesive coating. The hot air outlet of the hot air output component 551 is angled downwards, heating the substrate film above the substrate film adsorption conveying roller 541 with hot air, keeping the adhesive in a liquid state for easier subsequent bonding. The rotation direction and speed of the lower concentrated guide roller 56 are also considered. The rotation direction and speed of the upper centralized inlet roller 57 are the same as those of the substrate film adsorption and conveying roller 541. The lower centralized inlet roller 56 and the upper centralized inlet roller 57 mainly serve to concentrate the sorted and coated film materials. Because the lower centralized inlet roller 56 and the upper centralized inlet roller 57 are closely attached to the laminating frame 61, when the film is adsorbed and rotated to the inlet of the laminating frame 61, the adsorption port is blocked because it rotates to one side of the laminating frame 61. At this time, the film naturally peels off and enters the laminating frame 61 for lamination and bonding. The lower centralized inlet roller 56 and the upper centralized inlet roller 57 enable the film material to smoothly transition to the lamination area, reducing the errors or damage that may be caused by intermediate links.

[0039] Example 3

[0040] Please see Figures 1 to 13 Based on Embodiment 2, this embodiment further proposes that the laminating box plate 63 is fixedly installed on the inner wall of the bubble film laminating machine 1. The laminating frame 61 is symmetrically and rotatably mounted on one side near the upper central inlet roller 57 and the lower central inlet roller 56. The other side of the laminating frame 61 is provided with a finished bubble film output component 62. A laminating roller 64 is provided between the finished bubble film output component 62 and the laminating box plate 63. Cam components 65 are symmetrically arranged on the outer side of the laminating box plate 63. Motors that drive the laminating roller 64, the finished bubble film output component 62, and the cam components 65 are fixedly installed on the inner side of the outer shell of the bubble film laminating machine 1. A spring connecting rod 631 is movably installed on the outer surface of the laminate frame 61. The other end of the spring connecting rod 631 is movably connected to the inner surface of the laminate frame 61. Laminate strips 632 are evenly distributed on the inner surface of the laminate box plate 63. A gas discharge groove 6321 is opened at one end of the laminate strip 632. Air pumps 611 are symmetrically arranged on the outer surface of the laminate frame 61. An air extraction pipe 613 is fixedly installed at the input pipe end of the air pump 611. A gas input pipe 612 is fixedly installed at the output pipe end of the air pump 611. A corrugated pipe 6121 is fixedly installed at the lower end of the gas input pipe 612. The corrugated pipe 6121 penetrates the inner wall of the laminate frame 61 and is fixedly connected to the inner wall of the laminate box plate 63.

[0041] In this embodiment, the side of the laminating box plate 63 closest to the upper centralized inlet roller 57 and the lower centralized inlet roller 56 has a wide opening to facilitate the entry of film material. The air pump 611 extracts the gas inside the substrate film adsorption conveying roller 541, the bubble-containing film adsorption conveying roller 531, the lower centralized inlet roller 56, and the upper centralized inlet roller 57 through the air extraction pipe 613. The gas is injected into the laminating box plate 63 through the gas input pipe 612 and the corrugated pipe 6121 and discharged through the gas discharge groove 6321 at one end of the laminating strip 632. The gas is used to bond the two layers of film material, which not only makes the film naturally bonded and avoids tearing, but also achieves the purpose of energy conservation and environmental protection through air recycling. The cam assembly 65 rotates relative to each other, causing the laminating box plate 63 to rotate around one side and squeeze inward axially to produce a continuous action of release, engagement, and relaxation. At this time, the laminating strips 632 are interlaced to squeeze the film between them to ensure proper bonding. Finally, the film is pressed and sorted by the laminating roller 64 and output by the finished bubble film output assembly 62 and wound up by the bubble film winding component 2 to complete the lamination production of bubble film.

[0042] Example 4

[0043] Please see Figures 1 to 13 Based on Example 3, this example also proposes a lamination method for a laminator used in bubble film production, including the following steps:

[0044] Step 1: Install the bubble-containing film roll onto the bubble-containing film roll mounting component 3, and install the substrate film roll onto the substrate film roll mounting component 4. The bubble-containing film inlet roller assembly 51 and the substrate film inlet roller assembly 52 respectively inlet the substrate film and the bubble-containing film into the bubble film laminating machine 1.

[0045] Step 2: The bubble-containing film adsorption conveying roller 531 and the substrate film adsorption conveying roller 541 are evacuated by the air pump 611. When the film material passes by, the film is adsorbed and rotated in the same direction as the film is conveyed. The coating roller 553 rotates to export the adhesive inside the adhesive storage box 552 and evenly coat it on the substrate film above the substrate film adsorption conveying roller 541.

[0046] Step 3: After the film is adsorbed and rotated to a certain position, the air holes of the substrate film adsorption conveying roller 541 and the air holes of the bubble-containing film adsorption conveying roller 531 enter the closed shell inside the lower tension conveying frame 54 and the upper tension conveying frame 53. At this time, the film naturally peels off and, with the swinging and stretching of the extension swinging frame 58, naturally enters the lower centralized guide roller 56 and the upper centralized guide roller 57 and is closely attached to the inner side of the guide laminating frame 61 for lamination.

[0047] Step four: The air pump 611 injects gas into the interior of the laminating box plate 63 through the gas input pipe 612 and the corrugated pipe 6121, and discharges it through the gas discharge groove 6321 at one end of the laminating strip 632. The gas is used to bond the two layers of film material. The cam assembly 65 rotates relative to each other, causing the laminating box plate 63 to rotate around one side and squeeze inward axially to produce a continuous action of release, engagement and release. At this time, the laminating strips 632 are interlaced to compress the film between them to ensure proper bonding. Finally, the film is pressed and sorted by the laminating roller 64 and output through the finished bubble film output assembly 62 and wound up by the bubble film winding component 2 to complete the lamination production of bubble film.

[0048] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A laminator for producing bubble film, comprising a bubble film laminator (1), wherein a bubble film winding component (2) is disposed below one side of the bubble film laminator (1), a bubble film roll mounting component (3) is disposed above the other side of the bubble film laminator (1), and a substrate film roll mounting component (4) is disposed below the other side of the bubble film laminator (1), characterized in that: The bubble film laminating machine (1) has a synchronous stretching conveyor (5) located inside the machine, near the bubble film roll mounting component (3) and the substrate film roll mounting component (4). The bubble film laminating machine (1) also has a film laminating component (6) located inside the machine, near the bubble film winding component (2). The synchronous stretching conveyor (5) includes an upper tensioning conveyor (53), a lower tensioning conveyor (54), and an stretching swing frame (58). The film laminating component (6) includes a laminating frame (61). The upper tensioning conveyor (53) and lower tensioning conveyor (54) are symmetrically equipped with an upper central guide roller (57) and a lower central guide roller (56) on the side near the laminating frame (61). The laminating frame (61) is fixedly mounted on the inner wall of the bubble film laminating machine (1). A laminating box plate (6) is symmetrically and rotatably mounted on the side of the laminating frame (61) near the upper central guide roller (57) and the lower central guide roller (56). 3) A finished bubble film output component (62) is provided on the other side of the laminating frame (61). A laminating roller (64) is provided between the finished bubble film output component (62) and the laminating box plate (63). Cam components (65) are symmetrically arranged on the outer side of the laminating box plate (63). The cam components (65) are rotatably installed on the side wall of the bubble film laminating machine (1). The outer shell side surface of the bubble film laminating machine (1) is provided with motors that drive the laminating roller (64), the finished bubble film output component (62), and the cam components (65) to rotate. A spring connecting rod (631) is movably installed on the outer surface of the laminating box plate (63). The other end of the spring connecting rod (631) is movably connected to the inner surface of the laminating frame (61). Laminating strips (632) are evenly distributed on the inner surface of the laminating box plate (63). A gas discharge groove (6321) is opened at one end of the laminating strip (632).

2. The laminator for bubble film production according to claim 1, characterized in that: The synchronous stretching conveying component (5) further includes a bubble-containing film inlet roller assembly (51) and a substrate film inlet roller assembly (52). The bubble-containing film inlet roller assembly (51) is located below the substrate film inlet roller assembly (52). The outer shell side surface of the bubble film laminating machine (1) is respectively provided with drive components for driving the bubble-containing film inlet roller assembly (51) and the substrate film inlet roller assembly (52) to rotate. The upper tensioning conveyor frame (53) and the lower tensioning conveyor frame (54) have the same structure. The upper tensioning conveyor frame (53) and the lower tensioning conveyor frame (54) are symmetrically fixedly installed on the inner wall of the bubble film laminating machine (1).

3. A laminator for bubble film production according to claim 2, characterized in that: The upper tensioning conveyor (53) has a bubble film adsorption conveyor roller (531) rotatably installed inside the lower tensioning conveyor (54), and the lower tensioning conveyor (54) has a substrate film adsorption conveyor roller (541) rotatably installed inside the upper tensioning conveyor (54). The outer shell side surface of the bubble film laminator (1) is respectively provided with motors that drive the bubble film adsorption conveyor roller (531) and the substrate film adsorption conveyor roller (541) to rotate. The bubble film adsorption conveyor roller (531) and the substrate film adsorption conveyor roller (541) rotate in opposite directions. The extension swing frame (58) is symmetrically arranged on both sides of the bubble film adsorption conveyor roller (531) and the substrate film adsorption conveyor roller (541). The side walls of the lower tensioning conveyor (54) and the upper tensioning conveyor (53) are provided with limiting movable grooves that are adapted to the extension swing frame (58).

4. A laminator for bubble film production according to claim 3, characterized in that: One end of the extended swing frame (58) is rotatably mounted on the side wall of the bubble film laminating machine (1) via a rotating shaft. A small gear (581) is fixedly mounted on one end of the rotating shaft of the extended swing frame (58). A drive gear frame (582) is slidably mounted on the inner side of the outer shell of the bubble film laminating machine (1). The inner surface of the drive gear frame (582) meshes with the outer surface of the small gear (581). A telescopic rod (59) that drives the drive gear frame (582) to slide is fixedly mounted on the inner side of the outer shell of the bubble film laminating machine (1).

5. A laminator for bubble film production according to claim 4, characterized in that: The other end of the extended swing frame (58) is hinged to a tensioning arc-shaped pad (583), and a sorting round rod (5831) is movably installed on one side of the tensioning arc-shaped pad (583), and a membrane contact pad (5832) is hinged to the other side of the tensioning arc-shaped pad (583).

6. A laminator for bubble film production according to claim 1, characterized in that: A heat insulation protection plate (55) is provided between the lower tensioning conveyor (54) and the upper tensioning conveyor (53). The lower central guide roller (56) and the upper central guide roller (57) are rotatably mounted on the side wall of the bubble film laminating machine (1). The outer shell side surface of the bubble film laminating machine (1) is respectively provided with motors that drive the lower central guide roller (56) and the upper central guide roller (57) to rotate.

7. A laminator for bubble film production according to claim 6, characterized in that: Hot air output components (551) are symmetrically fixed on both sides of the lower surface of the heat insulation protection plate (55). The hot air outlets of the hot air output components (551) are all located obliquely above the substrate film adsorption conveying roller (541). An adhesive storage box (552) is fixedly installed in the middle of the lower surface of the heat insulation protection plate (55). An adhesive input pipe is fixedly installed on the inner wall of one side of the adhesive storage box (552). A coating roller (553) rotates at the bottom outlet of the adhesive storage box (552). A motor that drives the coating roller (553) to rotate is fixedly installed on the outer side wall of the bubble film laminating machine (1). V-shaped adhesive storage grooves (5531) are evenly distributed on the outer surface of the coating roller (553).

8. A laminator for bubble film production according to claim 1, characterized in that: Air pumps (611) are symmetrically arranged on the outer surface of the laminating frame (61). An air extraction pipe (613) is fixedly installed at the input pipe end of the air pump (611), and a gas input pipe (612) is fixedly installed at the output pipe end of the air pump (611). A corrugated pipe (6121) is fixedly installed at the lower end of the gas input pipe (612). The corrugated pipe (6121) penetrates the inner wall of the laminating frame (61) and is fixedly connected to the inner wall of the laminating box plate (63).

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