Film material hot-pressing processing equipment

Abstract

The application relates to a film material hot pressing processing equipment and relates to the field of film material processing. The equipment comprises a hot pressing device, a cooling device and a winding device. The cooling device is arranged below the hot pressing device. The film material is cooled while being hot pressed between the hot pressing device and the cooling device and is finally wound by the winding device. The cooling device is provided with a cooling frame. The cooling frame is slidingly connected with an adjusting track. The adjusting track is connected with an adjusting drive for adjusting the overlapping area of the cooling device and the hot pressing device. The cooling device is arranged below the hot pressing device. The adjusting track and the adjusting drive connected with the adjusting track are arranged. The film material can be cooled during the hot pressing process. The overlapping area of the cooling device and the hot pressing device can be adjusted according to requirements. The heating and cooling process of the film material can be more finely adjusted. The temperature loss in the conveying process is reduced. The temperature difference between the two surfaces of the film material is maximized.

Description

Technical Field

[0001] This application relates to the field of membrane processing, and in particular to a membrane hot pressing processing equipment. Background Technology

[0002] Membrane hot pressing equipment is a device that uses temperature difference to bond membrane materials. By controlling the expansion and contraction of materials at different temperatures, the membrane material can be more tightly bonded to the substrate or other membrane layers during bonding.

[0003] A Chinese patent with publication number CN117944214A discloses an aerogel processing device, including a support frame and a film supply assembly, a feeding device, a negative pressure mechanism, a first traction device, a hot pressing device, a cooling device, a second traction device, and a winding device. The film supply assembly is used to transport two layers of hot pressing film. The feeding device is used to hold aerogel powder and lay it between the two layers of hot pressing film through the discharge port. The negative pressure mechanism is used to generate negative pressure so that the aerogel powder is densely arranged in a single layer on the lower layer of hot pressing film. The first traction device includes two release films arranged vertically and vertically and corresponding driving mechanisms. It pulls the two layers of hot pressing film with aerogel powder laid in the middle forward to enter the hot pressing device. The hot pressing device heats and pressurizes the two layers of hot pressing film to heat and adhere to the aerogel surface to form an aerogel film.

[0004] The aforementioned technologies have the following drawbacks: their hot pressing and cooling devices are independently paired and arranged symmetrically. After the membrane material is heated by the hot pressing device, it detaches from the device and is transported a certain distance before entering the cooling device. This results in significant temperature loss during the intermediate transport distance, meaning the temperature difference during the membrane material cooling process is not maximized, and therefore needs improvement. Summary of the Invention

[0005] In order to reduce the temperature loss during the process of conveying the membrane material to the cooling area after hot pressing, this application provides a membrane material hot pressing processing equipment.

[0006] The hot pressing equipment for membrane materials provided in this application adopts the following technical solution:

[0007] A membrane material hot pressing processing equipment includes a hot pressing device, a cooling device, and a winding device. The cooling device is located below the hot pressing device. The membrane material is cooled while being hot pressed between the hot pressing device and the cooling device, and is finally wound up by the winding device. The cooling device is equipped with a cooling rack, and the cooling rack is slidably connected to an adjustment rail. The adjustment rail is connected to an adjustment drive for adjusting the overlap area between the cooling device and the hot pressing device.

[0008] By adopting the above technical solution, the membrane material is first conveyed to the area of ​​the hot pressing device that does not overlap with the cooling device for heating; then it is conveyed to the overlapping area of ​​the hot pressing device and the cooling device, where it is heated and cooled simultaneously, utilizing the temperature difference between the two sides to facilitate the bonding of the two membrane materials; next, the membrane material is conveyed to the part of the cooling device that extends out of the hot pressing device for simple cooling; finally, the cooled membrane material is wound up by the winding device. This eliminates the intermediate conveying stage in the traditional independent heating, conveying, and cooling mode, and directly contacts both sides of the membrane material with the hot pressing device and cooling device respectively, maximizing the utilization of the temperature difference between the hot pressing device and the cooling device, reducing temperature loss during processing, and resulting in better membrane material processing. Furthermore, by adjusting the overlapping area of ​​the cooling device and the hot pressing device using an adjustable drive, the duration of the overall heating, double-sided temperature difference bonding, and cooling processes can be flexibly adjusted, thus increasing adjustment efficiency and eliminating the need for individual adjustment of each module.

[0009] Optionally, it also includes a positioning device, which includes a positioning plate and a positioning elastic element. The positioning elastic element is connected between the positioning plate and the cooling frame, and the positioning plate abuts against the area where the hot pressing device does not overlap with the cooling device.

[0010] By adopting the above technical solution, the locating plate allows the film material to fit more tightly with the hot pressing device when it is transported to the part of the hot pressing device that does not overlap with the cooling device, thereby improving the efficiency of the heating process. In addition, the locating device is connected to the cooling rack, which allows the locating plate and the cooling device to be adjusted synchronously, so that each section of the hot pressing device can be effectively utilized during the adjustment process.

[0011] Optionally, the filling device further includes a filling housing with an opening, the filling plate being located at the opening, a temperature regulating device being provided inside the filling housing, and a plurality of temperature-regulating plates being provided on the side of the filling plate facing the inside of the filling housing.

[0012] By adopting the above technical solution, the temperature of the air inside the replacement shell can be adjusted using a temperature control device, thereby allowing the temperature of the replacement plate to be controlled. When the membrane material is transported between the hot pressing device and the replacement plate, the replacement plate can be heated to heat both sides of the membrane material, or the replacement plate can be cooled to create a small temperature difference between the two sides of the membrane material in advance. This allows the membrane material to undergo preheating and precooling treatment with a large temperature difference between the two sides in the subsequent process, which is equivalent to a transition of a two-sided temperature difference processing step in advance. Overall, the temperature of the replacement plate is adjustable, allowing for fine adjustment according to process requirements.

[0013] Optionally, it also includes a conveying membrane and several positioning rollers. The conveying membrane is annular and sleeved on the outside of the several positioning rollers. The positioning device is located inside the conveying membrane. The positioning housing is provided with an air supply pipe communicating with its interior. The end of the air supply pipe away from the positioning housing extends to the positioning roller.

[0014] By adopting the above technical solution, when the membrane material is conveyed between the positioning plate and the hot pressing device, the membrane material will not directly contact the positioning plate, but will instead contact the conveying membrane and drive it to move and rotate through friction, thereby reducing wear during the membrane material conveying process. Furthermore, air at a preset temperature inside the positioning housing can also be conveyed to the positioning roller, further reducing the temperature difference between the positioning roller, the conveying membrane, and the positioning plate, minimizing temperature loss, and providing feasibility for the conveying membrane to replace the positioning plate in contact with the membrane material.

[0015] Optionally, a temperature-changing groove is provided on the outer side of the filling rod, and the inner diameter of the temperature-changing groove increases in the direction away from the groove opening.

[0016] By adopting the above technical solution, the temperature-changing bath can increase the specific surface area of ​​the filling rod, thereby making the contact area between the filling rod and the surrounding air larger, thus improving the temperature-changing effect and reducing the temperature difference between the filling rod and the filling plate more quickly.

[0017] Optionally, the replacement plate and the temperature-changing plate are provided with reserved holes, and the replacement housing is provided with a blower at the connection between it and the air supply pipe.

[0018] By adopting the above technical solution, the air supply fan can draw away the pre-temperature air inside the filling shell, which can create a small degree of negative pressure inside the filling shell. Then, the membrane material can be adsorbed onto the filling plate through the reserved hole. Correspondingly, the powder or other materials temporarily attached to the surface of the membrane material as needed during the processing can also be more stably adsorbed onto the membrane material. The membrane material and the conveying membrane itself are also breathable materials.

[0019] Optionally, it also includes a powder feeding device, which includes a powder feeding housing with a powder outlet and a vibration device connected to the powder feeding housing, wherein the powder outlet is located above the filling plate.

[0020] By adopting the above technical solution, powder can be added between two or more film materials according to product needs, increasing the variety of choices in product production.

[0021] Optionally, the powder feeding housing is provided with an adjustment hole near the powder outlet, an adjustment plate is slidably disposed in the adjustment hole, and the powder feeding housing is provided with an adjustment component for controlling the extent to which the adjustment plate extends into the powder feeding housing.

[0022] By adopting the above technical solution, the actual flow rate of the powder can be controlled by adjusting the cross-sectional area of ​​the powder flow intercepted by the regulating plate using the regulating component. Under the condition that the conveying speed of the membrane material is consistent, the dosage of the powder can be adjusted in this way.

[0023] Optionally, the adjustment assembly includes a support rod, the bottom of the powder feeding housing is provided with a support hole, the support rod is threadedly connected to the support hole and the top of the support rod abuts against the bottom of the adjustment plate;

[0024] The powder feeding housing is also provided with a downward pressure elastic band, the two ends of which are connected to the powder feeding housing and the middle part abuts against the top of the adjusting plate.

[0025] By adopting the above technical solution, the support rod supports the bottom of the adjustment plate, and the downward elastic band presses down on the top of the adjustment plate to stabilize it. Overall, it can not only adjust the position of the adjustment plate, but also reduce the impact of the vibration device on the stability of the adjustment plate, reduce the "bouncing" of the adjustment plate, and improve the uniformity of powder in the production process.

[0026] Optionally, an elastic insulating sleeve is provided between the filling plate and the filling shell to seal the gap between them.

[0027] By adopting the above technical solution, the temperature loss inside the replacement shell can be further reduced, resulting in greater energy savings.

[0028] In summary, this application includes at least one of the following beneficial effects:

[0029] 1. The membrane material is first conveyed to the area of ​​the hot-pressing device that does not overlap with the cooling device for heating. Then, it is conveyed to the overlapping area of ​​the hot-pressing and cooling devices, where it is heated and cooled simultaneously. The temperature difference between the two sides facilitates better bonding of the two membrane materials. Next, the membrane material is conveyed to the portion of the cooling device extending from the hot-pressing device for simple cooling. Finally, the cooled membrane material is wound up by the winding device. This process eliminates the intermediate conveying stage compared to the traditional independent heating, conveying, and cooling method. It directly contacts both sides of the membrane material with the hot-pressing and cooling devices, maximizing the use of the temperature difference between them and reducing temperature loss during processing, resulting in better membrane material processing. Furthermore, adjusting the overlap area between the cooling and hot-pressing devices via an adjustable drive allows for flexible adjustment of the duration of the overall heating, double-sided temperature difference bonding, and cooling processes, thus increasing adjustment efficiency and eliminating the need for individual adjustment of each module.

[0030] 2. The locating plate allows the film material to fit more tightly against the hot press when it is transported to the part of the hot press that does not overlap with the cooling device, thereby improving the efficiency of the heating process. In addition, the locating device is connected to the cooling rack, which allows the locating plate and the cooling device to be adjusted synchronously, so that all sections of the hot press can be effectively utilized during the adjustment process.

[0031] 3. During the process of the air supply fan drawing away the pre-temperature air inside the filling housing, a small degree of negative pressure can be formed inside the filling housing. This allows the membrane material to be adsorbed onto the filling plate through the reserved holes. Correspondingly, materials such as powder temporarily attached to the surface of the membrane material during the processing can also be more stably adsorbed onto the membrane material. The membrane material and the conveyor membrane itself are also breathable materials. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of an embodiment of this application;

[0033] Figure 2 This is a structural diagram illustrating the internal structure of the filling device and the powder feeding device in the embodiments of this application;

[0034] Figure 3 This is a structural schematic diagram illustrating the connection relationship between the adjusting plate and the support rod in an embodiment of this application;

[0035] Figure 4 This is a schematic diagram illustrating the connection relationship between the replacement plate and the replacement shell in the embodiments of this application;

[0036] Figure 5 This is a schematic diagram illustrating the connection relationship between the temperature-changing plate and the supplementary plate in an embodiment of this application;

[0037] Figure 6 This is a schematic diagram illustrating the positional relationship between the temperature-changing bath and the positioning roller in an embodiment of this application.

[0038] In the picture:

[0039] 1. Membrane material feeding rack;

[0040] 2. Hot pressing device;

[0041] 3. Cooling device; 31. Cooling rack; 32. Adjustable track; 33. Adjustment drive;

[0042] 4. Winding device;

[0043] 5. Powder feeding device; 51. Powder feeding housing; 510. Powder outlet; 52. Vibration device; 53. Adjusting plate; 530. Adjusting hole; 54. Support rod; 540. Support hole; 55. Downward pressure elastic band;

[0044] 6. Filling device; 61. Filling housing; 62. Filling plate; 621. Temperature plate; 622. Reserved hole; 63. Filling elastic element; 64. Temperature regulating device; 65. Elastic insulation sleeve; 66. Filling roller; 660. Temperature tank; 67. Conveying membrane; 68. Air supply duct; 69. Air supply fan. Detailed Implementation

[0045] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0046] This application discloses a membrane hot pressing processing equipment. (Refer to...) Figure 1 and Figure 2 A membrane material hot pressing processing device includes a membrane material feeding rack 1, a hot pressing device 2, a cooling device 3, a positioning device 6, and a winding device 4 arranged sequentially. The membrane material feeding rack 1 passively feeds the membrane roll using a combination of a feeding roller and a support. In this embodiment, two membrane material feeding racks 1 are provided, with a powder feeding device 5 positioned between the two membrane material feeding racks 1 to add powder between the two membrane sheets. The cooling device 3 is located below the hot pressing device 2, and the cooling device 3 and the hot pressing device 2 only partially overlap. In this embodiment, the cooling device 3 is positioned such that its end along the membrane material conveying direction partially extends out of the hot pressing device 2. Correspondingly, a positioning device 6 is also provided in the portion of the hot pressing device 2 that does not overlap with the cooling device 3.

[0047] The overall processing procedure is as follows: two sheets of film are discharged from the film feeding rack 1, and the powder feeding device 5 adds powder between the two sheets of film; then, they are first conveyed to the overlapping area of ​​the filling device 6 and the hot pressing device 2 for heating; then, they are conveyed to the overlapping area of ​​the hot pressing device 2 and the cooling device 3, where they are heated on one side and cooled on the other, and the temperature difference between the two sides makes it easier for the two sheets of film to adhere; then, the part of the film extending out of the hot pressing device 2 is conveyed to the cooling device 3 for simple cooling, and finally, the cooled film is wound up by the winding device 4.

[0048] Reference Figure 1 and Figure 2 The cooling device 3 and the positioning device 6 are installed together on the cooling rack 31. The ground of the actual construction site is equipped with an adjustment track 32. The cooling rack 31 is slidably installed on the adjustment track 32, and an adjustment drive 33 is configured on the adjustment track 32. The adjustment drive 33 can be a linear reciprocating mechanism such as a cylinder or a hydraulic cylinder, or a walking mechanism such as a walking wheel. The adjustment drive 33 is used to adjust the lateral position of the cooling device 3 and the positioning device 6, thereby adjusting the overlap area between the cooling device 3 and the hot pressing device 2. By adjusting the overlap area, the process requirements for different membrane material processing details can be adjusted.

[0049] Reference Figure 3The powder feeding device 5 includes a powder feeding housing 51. Powder can be added to the top of the powder feeding housing 51. A powder outlet 510 is provided on the powder feeding housing 51 near the junction of two film materials. The powder feeding housing 51 at the powder outlet 510 is an extended flat structure. A vibration device 52 is installed at the bottom of the powder feeding housing 51 to continuously convey the powder inside the powder feeding housing 51 toward the powder outlet 510. An adjustment hole 530 is provided on the top of the powder feeding housing 51 near the powder outlet 510. The adjustment hole 530 is a square hole. An adjustment plate 53 is inserted into the adjustment hole 530, and the adjustment plate 53 can slide up and down in the adjustment hole 530 to utilize the cross-sectional area through which the powder can actually pass. The powder feeding housing 51 is also equipped with an adjustment assembly for controlling the extent to which the adjustment plate 53 extends into the powder feeding housing 51. The adjustment assembly includes a support rod 54 and a downward pressure elastic band 55. A support hole 540 is provided at the bottom of the powder feeding housing 51. The support rod 54 is threadedly connected to the support hole 540, and the top of the support rod 54 abuts against the bottom of the adjustment plate 53. The depth of the adjustment plate 53 can be adjusted by adjusting the height of the top of the support rod 54. Both ends of the downward pressure elastic band 55 are fixed to the powder feeding housing 51, and the middle abuts against the top of the adjustment plate 53 to press down the adjustment plate 53 and reduce the influence of the vibration device 52 on the positional stability of the adjustment plate 53.

[0050] Reference Figure 4 The filling device 6 includes a filling housing 61 with an opening, a filling plate 62 is provided at the opening, and a filling elastic member 63 is fixedly provided between the filling plate 62 and the filling housing 61. In this embodiment, the filling elastic member 63 is specifically a spring to push the filling plate 62 toward the hot pressing device 2, so that the film material and the hot pressing device 2 can be more tightly bonded and the heating effect is better.

[0051] The replacement housing 61 is also equipped with a temperature regulating device 64, which has a built-in temperature control unit for regulating the temperature of the replacement plate 62. The working mechanism of the temperature regulating device 64 is to regulate the temperature inside the replacement housing 61 and thus affect the replacement plate 62. Therefore, an elastic insulation sleeve 65 is also provided between the replacement plate 62 and the replacement housing 61. The elastic insulation sleeve 65 can be made of flexible materials such as rubber to seal the gap between the replacement plate 62 and the replacement housing 61.

[0052] Reference Figure 4 The periphery of the filling housing 61 is also provided with several filling rollers 66, which are rotatably connected to the cooling rack 31. A conveying membrane 67 is wrapped around the outside of the filling housing 61 and the several filling rollers 66. The conveying membrane 67 is made of breathable material. The filling plate 62 is also located inside the conveying membrane 67. When the membrane material passes through the overlap between the filling plate 62 and the hot pressing device 2, it can drive the conveying membrane 67 to rotate, thereby reducing the friction between the filling plate 62 and the membrane material.

[0053] Reference Figure 4 and Figure 5 The supplementary plate 62 has several temperature-changing plates 621 integrally formed on the side facing the interior of the supplementary housing 61, and the supplementary plate 62 has a reserved hole 622 through the temperature-changing plate 621. The supplementary housing 61 is also connected to an air supply pipe 68 via a flange, and an air supply fan 69 is installed inside the supplementary housing 61 at the connection of the air supply pipe 68. The air supply fan 69 is used to transport the air inside the supplementary housing 61 to the outside to a small extent, and can also create a negative pressure at the supplementary plate 62. The membrane material itself also has a certain degree of air permeability, which allows the powder to be more tightly adsorbed with the membrane material below.

[0054] Reference Figure 4 and Figure 6 The air supply duct 68 branches off from the end of the supplementary housing 61 and extends to several supplementary rollers 66. Several temperature-changing grooves 660 are evenly distributed circumferentially on the outer side of the supplementary rollers 66. Each temperature-changing groove 660 is parallel to the axial direction of the supplementary roller 66. Furthermore, the inner diameter of the temperature-changing groove 660 increases gradually away from the opening, i.e., the width at the opening is smaller, and the width at the bottom is larger. Air inside the supplementary housing 61 can be supplied to the supplementary rollers 66 in a small amount. The temperature-changing grooves 660 increase the specific surface area of ​​the supplementary rollers 66, making temperature changes easier. This reduces the temperature difference between the supplementary rollers 66 and the transfer membrane 67 and supplementary plate 62 on their outer sides, thus minimizing temperature loss during the transfer of heat from the supplementary plate 62 to the membrane material.

[0055] The implementation principle of the membrane hot pressing processing equipment in this application embodiment is as follows: two membrane materials are discharged from the membrane material feeding rack 1, and the powder feeding device 5 adds powder between the two membrane materials; then, it is first conveyed to the overlapping area of ​​the filling device 6 and the hot pressing device 2 for heating; then it is conveyed to the overlapping area of ​​the hot pressing device 2 and the cooling device 3, where it is heated on one side and cooled on the other, and the temperature difference between the two sides makes it easier for the two membrane materials to adhere; then the membrane material is conveyed to the part of the cooling device 3 that extends out of the hot pressing device 2 for simple cooling, and finally the cooled membrane material is wound up by the winding device 4.

[0056] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A film hot-pressing apparatus comprising a hot-pressing device (2), a cooling device (3) and a winding device (4), characterized in that: The cooling device (3) is arranged below the hot pressing device (2), the film material is cooled while being hot pressed between the hot pressing device (2) and the cooling device (3), and is finally wound by the winding device (4), the cooling device (3) is provided with a cooling frame (31), the cooling frame (31) is slidingly connected with an adjusting rail (32), and the adjusting rail (32) is connected with an adjusting drive (33) for adjusting the overlapping area of the cooling device (3) and the hot pressing device (2).

2. The film hot-pressing apparatus according to claim 1, wherein: Further comprising a position supplementing device (6), the position supplementing device (6) comprises a position supplementing plate (62) and a position supplementing elastic member (63), the position supplementing elastic member (63) is connected between the position supplementing plate (62) and the cooling frame (31) and makes the position supplementing plate (62) abut against the area of the hot pressing device (2) which does not overlap with the cooling device (3).

3. The film material hot-pressing apparatus according to claim 2, wherein: The position supplementing device (6) further comprises a position supplementing shell (61) with an opening, the position supplementing plate (62) is located at the opening, and the position supplementing shell (61) is internally provided with a temperature adjusting device (64), and a side of the position supplementing plate (62) towards the inside of the position supplementing shell (61) is provided with a plurality of temperature changing plates (621).

4. The film material hot-pressing apparatus according to claim 3, wherein: Further comprising a conveying film (67) and a plurality of position supplementing rods (66), the conveying film (67) is annular and is sleeved outside the plurality of position supplementing rods (66), the position supplementing device (6) is located inside the conveying film (67), the position supplementing shell (61) is provided with a blowing pipe (68) in communication with the inside thereof, and an end of the blowing pipe (68) away from the position supplementing shell (61) extends to the position supplementing rod (66).

5. The apparatus according to claim 4, wherein: The position supplementing rod (66) is provided with a temperature changing groove (660) outside, and the inner diameter width of the temperature changing groove (660) increases in the direction away from the groove.

6. The film material hot-pressing apparatus according to claim 5, wherein: The position supplementing plate (62) and the temperature changing plate (621) are provided with a reserved hole (622) in penetration, and the position supplementing shell (61) is provided with a blowing fan (69) at the connection position of the position supplementing shell (61) and the blowing pipe (68).

7. The film material hot-pressing apparatus according to claim 6, wherein: Further comprising a powder feeding device (5), the powder feeding device (5) comprises a powder feeding shell (51) with a powder outlet (510) and a vibrating device (52) connected with the powder feeding shell (51), and the powder outlet (510) is located above the position supplementing plate (62).

8. The film hot-pressing apparatus according to claim 7, wherein: The powder feeding shell (51) is provided with an adjusting hole (530) near the powder outlet (510), the adjusting hole (530) is slidingly provided with an adjusting plate (53) inside, and the powder feeding shell (51) is provided with an adjusting assembly for controlling the degree of the adjusting plate (53) extending into the inside of the powder feeding shell (51).

9. The film hot-pressing apparatus according to claim 8, wherein: The adjusting assembly comprises a supporting rod (54), the bottom of the powder feeding shell (51) is provided with a supporting hole (540), the supporting rod (54) is threadedly connected with the supporting hole (540), and the top of the supporting rod (54) abuts against the bottom of the adjusting plate (53); The powder feeding shell (51) is further provided with a pressing elastic band (55), two ends of the pressing elastic band (55) are connected with the powder feeding shell (51), and the middle part abuts against the top of the adjusting plate (53).

10. The film hot-pressing apparatus according to claim 3, wherein: The position supplementing plate (62) and the position supplementing shell (61) are provided with an elastic heat preservation sleeve (65) for covering the gap therebetween.

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