PET aluminum foil composite film flattening device

Abstract

The utility model discloses a kind of PET aluminium foil composite film flattening device, more particularly in composite film processing technical field, including base and flattening mechanism, the flattening mechanism equidistant arrangement is installed above base, and one side of flattening mechanism is provided with preheating mechanism and dust removal mechanism, and dust removal mechanism is installed with air draught fan above;The flattening mechanism includes support frame and the symmetric pressure roller and fixed roller on the inside of support frame, and pressure roller is slidably connected with support frame.The utility model passes through preheating box forty-five degrees design makes hot airflow directly acts on the surface of pressure roller, reduces heat loss to promote hot-pressing efficiency;While using upper and lower dust absorption box to form negative pressure adsorption system, cooperate with air draught fan to remove composite film surface static adsorption dust, and realize efficient dust removal by filter screen filtration and detachable collection box, effectively guarantee the cleanliness of composite film before winding, reduce energy waste.

Description

Technical Field

[0001] This utility model relates to the field of composite film processing technology, and in particular to a PET aluminum foil composite film flattening device. Background Technology

[0002] PET-aluminum foil composite film is a type of high-barrier nanocomposite film. During processing, a flattening device is used in the post-processing stage of composite film production. Through hot pressing and pressure, air bubbles, wrinkles, or interlayer gaps generated during the lamination process are eliminated, ensuring a tight bond between the PET film and aluminum foil and achieving a smooth surface. Its core principle involves using a heating plate or hot roller to uniformly heat the laminated material, softening it and reducing internal stress. Simultaneously, pressure rollers apply pressure to promote full adhesion between the two layers. Finally, the composite structure is solidified through cooling and shaping.

[0003] Patent CN217534893U discloses a flattening device for processing high-barrier nanocomposite film bags. This flattening device can achieve micro-heating of the pressure roller to improve the flattening effect of the film bag, thereby improving processing efficiency.

[0004] The inventors have discovered at least the following problems in the prior art:

[0005] The existing flattening device for composite film processing described above heats the pressure roller from above because the micro-heating blowpipe heats the pressure roller from above. As a result, there is a certain time interval between the rotation of the pressure roller and the composite film, which leads to some heat being wasted.

[0006] In addition, during the hot pressing process, the friction between the pressure roller and the composite film, as well as the heating, will cause static electricity to be generated on the surface of the composite film, which will attract some dust from the air, thus affecting the subsequent winding.

[0007] Therefore, this solution provides a PET aluminum foil composite film flattening device to solve the above problems. Utility Model Content

[0008] The purpose of this invention is to provide a PET aluminum foil composite film flattening device to solve the problems of heat waste during micro-heating and the impact of electrostatic adsorption of dust on subsequent winding in the prior art.

[0009] To solve the above-mentioned technical problems, the basic technical solution proposed by this utility model is as follows:

[0010] A PET aluminum foil composite film flattening device includes a base and a flattening mechanism. The flattening mechanism is equidistantly arranged on the top of the base. A preheating mechanism and a dust removal mechanism are provided on one side of the flattening mechanism. An induced draft fan is installed above the dust removal mechanism. The flattening mechanism includes a support frame and pressure rollers and fixed rollers symmetrically arranged inside the support frame. The pressure rollers are slidably connected to the support frame. The preheating mechanism includes a preheating box and brackets fixedly connected to both ends of the preheating box. The preheating box is located at a 45-degree angle to the pressure rollers. The dust removal mechanism includes an upper dust collection box and a lower dust collection box distributed vertically, and a dust collection cover installed on one side of the upper dust collection box.

[0011] Preferably, a drive motor is installed above the support frame, sliding blocks are rotatably connected to both ends of the pressure roller, the output end of the drive motor is connected to the sliding blocks, and the lower end of the bracket is installed above the upper dust collection box.

[0012] Preferably, the preheating box has an air inlet and an air jet end that are equidistantly distributed on both sides. The preheating box is equipped with an electric heating element, which is connected to a connecting end at one end of the preheating box. The output end of the induced draft fan is connected to the air inlet end.

[0013] Preferably, the upper dust collection box has connecting frames fixedly connected to both ends, and a sliding block is fixedly connected to one side of the connecting frame. The linkage pipe of the lower dust collection box is fixedly connected to one side of the support frame, and the top surface of the lower dust collection box is lower than the top of the fixed roller.

[0014] Preferably, an air inlet is provided on one side of the dust collection cover, and connecting pipes are connected to both one side of the air inlet and the bottom of the lower dust collection box. The two connecting pipes are connected to each other by a folded flexible hose.

[0015] Preferably, the upper dust collection box and the dust collection cover are respectively provided with a slot and a connecting slot on the side where they are close to each other. The slot and the connecting slot are connected to each other. The top of the dust collection cover is provided with equidistant guide ends, which are connected to the input end of the induced draft fan.

[0016] Preferably, a filter screen is installed on the inner side of the dust collection cover, and two limiting blocks are fixedly connected to the bottom of the dust collection cover, with the collection box inserted into the periphery of the limiting blocks.

[0017] The beneficial effects of this utility model are:

[0018] I. This utility model uses a preheating box that is tilted at a 45-degree angle to the rotation direction of the pressure roller, so that the hot airflow acts directly on the surface of the pressure roller, shortening the time interval between the pressure roller rotating to the composite film, avoiding heat loss caused by the rotation of the pressure roller, thereby improving the heat utilization rate in the hot pressing process and reducing energy waste.

[0019] II. This utility model uses a dust removal mechanism to create negative pressure adsorption through the upper and lower dust collection boxes, which are distributed vertically. Combined with the airflow generated by the blower, it can remove dust adsorbed by static electricity caused by friction on the surface of the composite film. The filter screen inside the dust collection cover further filters impurities and prevents dust from entering the blower. At the same time, the detachable design of the collection box facilitates centralized dust disposal and ensures the surface cleanliness of the composite film before winding. Attached Figure Description

[0020] Figure 1 This is an overall perspective view of Embodiment 1 of the present utility model;

[0021] Figure 2 This is a schematic diagram of the flattening mechanism according to Embodiment 1 of this utility model;

[0022] Figure 3 This is a schematic diagram of the preheating mechanism according to Embodiment 1 of this utility model;

[0023] Figure 4 This is a schematic diagram of the dust removal mechanism according to Embodiment 1 of this utility model;

[0024] Figure 5 This is an embodiment of the present utility model. Figure 4 A schematic diagram of the middle section;

[0025] Figure 6 This is a schematic diagram of the dust collection cover according to Embodiment 1 of this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Base; 2. Flattening mechanism; 21. Support frame; 22. Drive motor; 23. Pressure roller; 24. Fixed roller; 25. Sliding block; 3. Conveyor belt;

[0028] 4. Preheating mechanism; 41. Preheating box; 42. Air inlet; 43. Jet outlet; 44. Heating element; 45. Connecting end; 46. Support bracket;

[0029] 5. Dust removal mechanism; 51. Upper dust collection box; 511. Groove; 52. Lower dust collection box; 53. Connecting frame; 54. Dust collection cover; 541. Air guide end; 542. Air inlet end; 543. Connecting groove; 544. Filter screen; 545. Limiting block; 55. Connecting pipe; 56. Folded flexible hose; 57. Collection box;

[0030] 6. Exhaust fan. Detailed Implementation

[0031] Please refer to the following. Figures 1 to 6As shown, the technical solutions in the embodiments of this utility model are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0032] It should be noted that, in the embodiments of this utility model, the directions shown in the accompanying drawings shall prevail, such as front and back. Figure 1 For the sake of accuracy, the specific details should be as follows: Figure 1 The left side is the front. Figure 1 The right side is the rear; at the same time, as Figure 2 As shown, the horizontal direction is roughly defined as left and right, and the vertical direction is defined as up and down. If a specific orientation changes, the directional indication will also change accordingly.

[0033] This utility model provides a PET aluminum foil composite film flattening device, including a base 1 and a flattening mechanism 2. The flattening mechanism 2 is equidistantly arranged and installed above the base 1. A preheating mechanism 4 and a dust removal mechanism 5 are provided on one side of the flattening mechanism 2. An induced draft fan 6 is installed above the dust removal mechanism 5.

[0034] The flattening mechanism 2 includes a support frame 21 and a pressure roller 23 and a fixed roller 24 located symmetrically on the inner side of the support frame 21. The pressure roller 23 is slidably connected to the support frame 21.

[0035] The preheating mechanism 4 includes a preheating box 41 and a bracket 46 fixedly connected to both ends of the preheating box 41. The preheating box 41 is located at a 45-degree angle to the pressure roller 23.

[0036] The dust removal mechanism 5 includes an upper dust collection box 51 and a lower dust collection box 52 distributed vertically, and a dust collection cover 54 installed on one side of the upper dust collection box 51;

[0037] A conveyor belt 3 is provided between two adjacent flattening mechanisms 2. The conveyor belt 3 is used to transport the composite film during the flattening process. The output end of the drive motor 22 is provided with a screw, which passes through the threaded connection to the sliding block 25. This allows control of the up and down movement of the pressure roller 23, thereby adjusting the pressing distance and force. The base 1 has an external PLC control device that can operate other mechanisms. The preheating box 41 is located at an inclination in the rotation direction of the pressure roller 23. Therefore, after heating the pressure roller 23, it will rotate for a short time to slightly heat the composite film that has passed through, avoiding the waste of some heat.

[0038] In a further embodiment, a drive motor 22 is installed above the support frame 21, and sliding blocks 25 are rotatably connected to both ends of the pressure roller 23. The output end of the drive motor 22 is connected to the sliding blocks 25, and the lower end of the bracket 46 is installed above the upper dust collection box 51.

[0039] In this embodiment, except for the lower dust collection box 52 installed on one side of the support frame 21, the upper dust collection box 51, the dust collection cover 54, the preheating mechanism 4, and the blower 6 can all move up and down with the pressure roller 23, thereby ensuring that the distance between the preheating box 41 and the periphery of the pressure roller 23 remains consistent.

[0040] In a further embodiment, the preheating box 41 is provided with an air inlet end 42 and an air jet end 43 that are equidistantly distributed on both sides. An electric heating element 44 is installed inside the preheating box 41. The electric heating element 44 is connected to a connecting end 45 at one end of the preheating box 41. The output end of the induced draft fan 6 is connected to the air inlet end 42.

[0041] In this embodiment, the heating element 44 is an existing heating plate. After the airflow enters the preheating box 41, it will heat the airflow and spray hot flow from the jet end 43 to heat the surface of the pressure roller 23, thereby slightly heating the surface of the pressure roller 23 for hot pressing.

[0042] In a further embodiment, the upper dust collection box 51 is fixedly connected to both ends of a connecting frame 53, and a sliding block 25 is fixedly connected to one side of the connecting frame 53. The linkage tube of the lower dust collection box 52 is fixedly connected to one side of the support frame 21, and the top surface of the lower dust collection box 52 is lower than the top of the fixed roller 24.

[0043] In this embodiment, the lower end face of the upper dust collection box 51 is lower than the bottom of the pressure roller 23, and cooperates with the lower dust collection box 52, so that there is a gap between the two, which facilitates the passage of the hot-pressed composite film, and allows the upper dust collection box 51 and the lower dust collection box 52 to perform dust collection.

[0044] In a further embodiment, an air inlet 542 is provided on one side of the dust collection cover 54, and a connecting pipe 55 is connected to one side of the air inlet 542 and the bottom of the lower dust collection box 52. The two connecting pipes 55 are connected to each other by a folded flexible hose 56.

[0045] In this embodiment, both the connecting pipe 55 and the folded hose 56 can transport and concentrate the dust into the dust collection cover 54 and the collection box 57. The folded hose 56 can be installed on one side of the upper dust collection box 51 by a snap, and can be folded or extended to adapt to the up and down movement of the pressure roller 23.

[0046] In a further embodiment, the upper dust collection box 51 and the dust collection cover 54 are respectively provided with a slot 511 and a connecting slot 543 on the side where they are close to each other. The slot 511 and the connecting slot 543 are connected to each other. The top of the dust collection cover 54 is provided with equidistant guide ends 541, which are connected to the input end of the induced draft fan 6.

[0047] In this embodiment, when the blower 6 is running, it will generate negative pressure inside the dust collection cover 54 and the collection box 57. Through the connection of the connecting pipe 55, the folded hose 56, the connecting groove 543 and the slot 511, negative pressure will also be generated inside the upper dust collection box 51 and the lower dust collection box 52, thereby adsorbing dust.

[0048] In a further embodiment, a filter screen 544 is installed on the inner side of the dust collection cover 54, and two limiting blocks 545 are fixedly connected to the lower part of the dust collection cover 54. The collection box 57 is inserted into the periphery of the limiting blocks 545.

[0049] In this embodiment, the collection box 57 is provided with a plug slot at the limiting plug 545 and the limiting plug 545 is switched. Therefore, dust can be collected in the collection box 57 and then removed for processing.

[0050] The working principle of this utility model is as follows:

[0051] When it is necessary to flatten the composite film, the drive motor 22, conveyor belt 3, blower 6 and heating element 44 can be operated by external control equipment, so that the composite film is flattened between the pressure roller 23 and the fixed roller 24 and conveyed by the conveyor belt 3.

[0052] When the controller controls the circuit and supplies power to the connecting end 45, the heating element 44 in the preheating box 41 generates heat, and the airflow input from the blower 6 into the preheating box 41 is heated and blown toward the pressure roller 23, thereby heating the surface of the pressure roller 23. Since the preheating box 41 heats the pressure roller 23 at an angle of 45 degrees to the rotation direction of the pressure roller 23, the pressure roller 23 can avoid cooling due to rotation during the process of pressing the composite film below, thus avoiding the waste of some of the heat during heating.

[0053] When the blower 6 is operating, its output end can be connected to the guide end 541 via a hose, thereby creating negative pressure inside the dust collection cover 54 and the collection box 57. Through the connection between the connecting groove 543 and the slot 511, and through the connection between the connecting pipe 55 and the folded hose 56, negative pressure is created inside both the upper dust collection box 51 and the lower dust collection box 52. This removes dust from both sides of the flattened composite film and concentrates the dust inside the dust collection cover 54 and the collection box 57. This cleans up the dust that is attracted by static electricity generated on the surface of the composite film due to friction during the hot pressing process, thus facilitating subsequent winding. The collected dust will fall into the collection box 57 after the blower 6 stops operating, making it easy to collect and process.

[0054] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A PET aluminum foil composite film flattening device, comprising a base (1) and a flattening mechanism (2), characterized in that, The flattening mechanism (2) is arranged at equal intervals above the base (1). A preheating mechanism (4) and a dust removal mechanism (5) are provided on one side of the flattening mechanism (2). An induced draft fan (6) is installed above the dust removal mechanism (5). The flattening mechanism (2) includes a support frame (21) and pressure rollers (23) and fixed rollers (24) located symmetrically on the inner side of the support frame (21). The pressure rollers (23) are slidably connected to the support frame (21) in the upper and lower parts. The preheating mechanism (4) includes a preheating box (41) and a bracket (46) fixedly connected to both ends of the preheating box (41). The preheating box (41) is located at a 45-degree angle to the pressure roller (23). The dust removal mechanism (5) includes an upper dust collection box (51) and a lower dust collection box (52) distributed vertically, and a dust collection cover (54) installed on one side of the upper dust collection box (51).

2. The PET aluminum foil composite film flattening device according to claim 1, characterized in that: A drive motor (22) is installed above the support frame (21), and sliding blocks (25) are rotatably connected to both ends of the pressure roller (23). The output end of the drive motor (22) is connected to the sliding block (25), and the lower end of the bracket (46) is installed above the upper dust collection box (51).

3. The PET aluminum foil composite film flattening device according to claim 1, characterized in that: The preheating box (41) is provided with an air inlet (42) and an air jet (43) that are equidistantly distributed on both sides. An electric heating element (44) is installed inside the preheating box (41). The electric heating element (44) is connected to a connecting end (45) at one end of the preheating box (41). The output end of the blower (6) is connected to the air inlet (42).

4. The PET aluminum foil composite film flattening device according to claim 1, characterized in that: The upper dust collection box (51) is fixedly connected to two ends of a connecting frame (53), and a sliding block (25) is fixedly connected to one side of the connecting frame (53). The linkage pipe of the lower dust collection box (52) is fixedly connected to one side of the support frame (21), and the top surface of the lower dust collection box (52) is lower than the top of the fixed roller (24).

5. The PET aluminum foil composite film flattening device according to claim 1, characterized in that: The dust collection cover (54) has an air inlet (542) on one side. A connecting pipe (55) is connected to one side of the air inlet (542) and the bottom of the lower dust collection box (52). The two connecting pipes (55) are connected to each other by a folded flexible hose (56).

6. The PET aluminum foil composite film flattening device according to claim 1, characterized in that: The upper dust collection box (51) and the dust collection cover (54) are respectively provided with a slot (511) and a connecting slot (543) on the side that are close to each other. The slot (511) and the connecting slot (543) are connected to each other. The top of the dust collection cover (54) is provided with equidistant guide ends (541), which are connected to the input end of the induced draft fan (6).

7. The PET aluminum foil composite film flattening device according to claim 1, characterized in that: A filter screen (544) is installed on the inner side of the dust collection cover (54), and two limiting blocks (545) are fixedly connected to the bottom of the dust collection cover (54). The collection box (57) is inserted into the periphery of the limiting blocks (545).

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