Heating oven for preparing aluminum foil composite film
By dividing the oven into sections and setting up a high-temperature chamber and a ventilation chamber, and using high-temperature airflow to control the temperature gradient, the problem of poor heating effect of existing ovens is solved, and efficient drying and anti-deformation effects of aluminum foil composite film are achieved.
Patent Information
- Application Number
- CN202423092057.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The existing oven heating method of aluminum foil laminating machines results in poor drying effect, affecting the quality and efficiency of the laminated products and making it difficult to meet process requirements.
The oven is divided into a low-temperature section, a medium-temperature section, a high-temperature section, a medium-temperature section I, and a low-temperature section I. A high-temperature chamber, a medium-temperature chamber, and a ventilation chamber are set up inside the nickel-chromium hollow workbench. The high-temperature airflow is used to achieve a temperature gradient difference and control the evaporation and curing process of the coating solvent.
This achieves effective evaporation and curing of the coating solvent, prevents deformation of the composite film, and improves drying efficiency and product quality.
Smart Images

Figure CN223520248U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of aluminum foil compound machine, especially relates to a heating oven for preparing aluminum foil compound film. BACKGROUND
[0002] Aluminum foil is widely used in food, beverage, cigarette, medicine, photographic plate, household commodity, etc. due to its excellent characteristics, and is usually used as its packaging material; electrolytic capacitor material; heat insulation material of building, vehicle, ship, house, etc.; and can be used as decorative gold and silver wire, wallpaper, and decoration trademark of various stationery printed matter and light industry product; among the above-mentioned various uses, the most effective performance point of aluminum foil is as packaging material; aluminum foil is a soft metal film, which not only has the advantages of moisture-proof, airtight, light-shielding, wear-resistant, aroma-preserving, non-toxic and odorless, but also has elegant silver-white luster, and can be easily processed into various color beautiful patterns and patterns, so it is more easily favored by people.
[0003] The aluminum foil compound machine is a special equipment for compounding aluminum foil and another composite substrate (film, paper, non-woven fabric, textile fabric, etc.) by using solvent-free adhesive. With the continuous development of enterprises and the continuous innovation of new products and new processes, the compounding machine has poor drying effect due to the upper heating mode, so that the speed cannot be improved, and the indicators of the compounded product are either high moisture or film dropping, which is difficult to meet the process quality requirements, not only causes material waste, but also affects the normal supply of orders, and the root cause of the problem is the heating mode of the oven. SUMMARY
[0004] The utility model discloses a heating oven for preparing aluminum foil compound film, which is divided into low-temperature section, medium-temperature section, high-temperature section, medium-temperature section I and low-temperature section I from the inlet to the outlet, and high-temperature warehouse, medium-temperature warehouse and ventilation warehouse are arranged in the corresponding nickel-chromium hollow workbench, high-temperature airflow flows from the high-temperature warehouse to the medium-temperature warehouse and ventilation warehouse on both sides, realizes the temperature step difference in the oven, and realizes the effects of solvent volatilization, solidification and deformation prevention in the coating respectively.
[0005] In order to achieve the above object, the utility model relates to a kind of heating ovens for preparing aluminum foil composite film, including rack, box body being set at the top of rack and the inlet conveying roller and outlet conveying roller being set at the both sides of box body and located at entrance and exit of rack, nickel-chromium hollow workbench is arranged in the box body, high-temperature air inlet pipe for being connected with air heater is arranged on the nickel-chromium hollow workbench, low-temperature section, medium-temperature section, high-temperature section, medium-temperature section I and low-temperature section I are sequentially arranged in the box body from inlet to outlet, ventilation bin, medium-temperature bin, high-temperature bin, medium-temperature bin I and ventilation bin I are arranged in the nickel-chromium hollow workbench, ventilation partition is arranged between high-temperature bin and medium-temperature bin and medium-temperature bin I, ventilation partition is arranged between medium-temperature bin and ventilation bin and medium-temperature bin I and ventilation bin I, high-temperature air inlet pipe is communicated with high-temperature bin, ventilation hole for communicating the both sides of vertical partition is arranged on the vertical partition, upper exhaust groove for communicating the both sides of ventilation partition is arranged on the ventilation partition.
[0006] Further, the ventilation hole is arranged at the top of vertical partition and is uniformly distributed as a row.
[0007] Further, horizontal partition is arranged in medium-temperature bin and medium-temperature bin I, which separates the lower part into heat preservation bin, upper exhaust groove is arranged at the upper part of ventilation partition and is located at both sides, lower exhaust groove is arranged at the lower part of ventilation partition, which communicates ventilation bin and heat preservation bin.
[0008] Further, exhaust hole is arranged at the position, which is far from ventilation partition and is communicated with smoke exhaust duct.
[0009] Further, the temperature of low-temperature section and low-temperature section I is set as 60-75 ℃, the temperature of medium-temperature section and medium-temperature section I is set as 75-85 ℃, and the temperature of high-temperature section is set as 85-100 ℃.
[0010] Further, pressing roller is arranged in the box body, which is used to extend to the surface of nickel-chromium hollow workbench.
[0011] Further, heat preservation cover is arranged above inlet conveying roller and outlet conveying roller on both sides of box body.
[0012] Further, heat preservation plate is arranged on the side wall of nickel-chromium hollow workbench.
[0013] The utility model has the advantages that:
[0014] 1.The heating oven for preparing aluminum foil composite film of the utility model discloses a heating oven for preparing aluminum foil composite film, which is characterized by the following: the oven is divided into low-temperature section, medium-temperature section, high-temperature section, medium-temperature section I and low-temperature section I from the inlet to the outlet, and high-temperature bin, medium-temperature bin and ventilation bin are arranged in the nickel-chromium hollow workbench corresponding to the sections, high-temperature airflow flows from the high-temperature bin to the medium-temperature bin and ventilation bin on both sides, and the temperature in the oven is stepped, so that the solvent in the coating is volatilized, the coating is solidified and the deformation of the coating is prevented.
[0015] 2.The heating oven for preparing aluminum foil composite film of the utility model discloses a heating oven for preparing aluminum foil composite film, which is characterized by the following: the oven is divided into low-temperature section, medium-temperature section, high-temperature section, medium-temperature section I and low-temperature section I from the inlet to the outlet, and high-temperature airflow flows from the high-temperature bin to the medium-temperature bin and ventilation bin on both sides, and the temperature in the oven is stepped, so that the solvent in the coating is volatilized, the coating is solidified and the deformation of the coating is prevented. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure schematic view of the heating oven for preparing aluminum foil composite film of the utility model;
[0017] Figure 2 It is a sectional view of the nickel-chromium hollow workbench in the heating oven for preparing aluminum foil composite film of the utility model;
[0018] Figure 3 It is a partial lateral sectional view of the nickel-chromium hollow workbench in the heating oven for preparing aluminum foil composite film of the utility model;
[0019] Figure 4 It is another partial lateral sectional view of the nickel-chromium hollow workbench in the heating oven for preparing aluminum foil composite film of the utility model.
[0020] The figure mark: 1 - frame; 2 - inlet conveying roller; 3 - outlet conveying roller; 4 - heat preservation cover; 5 - low-temperature section; 6 - medium-temperature section; 7 - high-temperature section; 8 - medium-temperature section I; 9 - low-temperature section I; 10 - compression roller; 11 - nickel-chromium hollow workbench; 12 - high-temperature air inlet pipe; 13 - high-temperature bin; 14 - medium-temperature bin; 15 - medium-temperature bin I; 16 - vertical partition; 17 - ventilation hole; 18 - horizontal partition; 19 - heat preservation bin; 20 - exhaust hole; 21 - ventilation bin; 22 - upper exhaust groove; 23 - lower exhaust groove; 24 - heat preservation plate; 25 - ventilation partition. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0022] As Figures 1-4 The utility model discloses a kind of preparation aluminum foil composite film's heating oven's structure schematic diagram, a kind of preparation aluminum foil composite film's heating oven of the utility model, including rack 1, the box body being set in the top of rack 1 and the inlet conveying roller 2 and outlet conveying roller 3 being set in the both sides of box body and located at entrance and exit, box body is sequentially provided with low-temperature section 5, middle temperature section 6, high-temperature section 7, middle temperature section I 8 and low-temperature section I 9 from entrance to outlet, nickel-chromium hollow workbench 11 is equipped with high-temperature air inlet pipe 12 for being connected with air heater in nickel-chromium hollow workbench 11, nickel-chromium hollow workbench 11 is equipped with ventilation bin 21, middle temperature bin 14, high-temperature bin 13, middle temperature bin I 15 and ventilation bin I corresponding with low-temperature section 5, middle temperature section 6, high-temperature section 7, middle temperature section I 8 and low-temperature section I 9, vertical baffle 16 is arranged between high-temperature bin 13 two sides and middle temperature bin 14 and middle temperature bin I 15, ventilation baffle 25 is arranged between middle temperature bin 14 and ventilation bin 21 and middle temperature bin I 15 and ventilation bin I, high-temperature air inlet pipe 12 is communicated with high-temperature bin 13, ventilation hole 17 for being connected with the both sides of vertical baffle 16 is arranged on vertical baffle 16, and upper exhaust groove 22 for being connected with the both sides of ventilation baffle is arranged on ventilation baffle 25.
[0023] The utility model discloses a kind of preparation aluminum foil composite film's heating oven's structure schematic diagram, a kind of preparation aluminum foil composite film's heating oven of the utility model, including rack 1, the box body being set in the top of rack 1 and the inlet conveying roller 2 and outlet conveying roller 3 being set in the both sides of box body and located at entrance and exit, box body is sequentially provided with low-temperature section 5, middle temperature section 6, high-temperature section 7, middle temperature section I 8 and low-temperature section I 9 from entrance to outlet, nickel-chromium hollow workbench 11 is equipped with high-temperature bin 13, middle temperature bin 14 and ventilation bin 22 in nickel-chromium hollow workbench corresponding with it, high-temperature airflow is flowed from high-temperature bin to the middle temperature bin and ventilation bin of two sides, realize the temperature step difference in oven, to realize the effect that solvent volatilization, solidification and prevent deformation in coating respectively.
[0024] Preferably, ventilation hole 17 is arranged at the top of vertical baffle and is uniformly distributed as a row, and the utility model discloses a group of ventilation holes 17, which is conducive to controlling the speed of entering the middle temperature bin, and facilitates temperature reduction.
[0025] Preferably, middle temperature bin 14 and middle temperature bin I 15 are provided with horizontal baffle 18, which separates the lower part into heat preservation bin 19, upper exhaust groove 22 is arranged at the upper part of ventilation baffle and is located at both sides, and lower exhaust groove 23 is arranged at the lower part of ventilation baffle 25, which is connected with ventilation bin and heat preservation bin, the structure of the utility model makes high-temperature airflow enter the middle temperature bin from high-temperature bin along ventilation hole, then enter ventilation bin 21 along upper exhaust groove, enter heat preservation bin 19 along lower exhaust groove, and finally discharge from heat preservation bin 19, realize airflow circulation, so as to realize heat preservation of heat preservation bin 19 preheating middle temperature bin 14, reduce heat dissipation effect.
[0026] In the preferred embodiment, the heat preservation bin 19 is provided with an exhaust hole 20 communicating with the smoke exhaust duct at a position away from the ventilation baffle 25, and the high-temperature gas is exhausted along the exhaust hole 20 and the smoke exhaust duct after circulating in the workbench.
[0027] In the preferred embodiment, the temperature of the low-temperature section and the low-temperature section I is set to 60-75℃, the temperature of the medium-temperature section and the medium-temperature section I is set to 75-85℃, and the temperature of the high-temperature section is set to 85-100℃, which is beneficial to improve the heating efficiency of the heating oven.
[0028] In the preferred embodiment, the box body is provided with a compression roller extending to the surface of the nickel-chromium hollow workbench at the low-temperature section 5, the medium-temperature section 6, the high-temperature section 7, the medium-temperature section I 8 and the low-temperature section I 9, which is used to press the aluminum foil composite film against the nickel-chromium hollow workbench, and the aluminum foil composite film is dried by the temperature of the surface of the nickel-chromium hollow workbench.
[0029] In the preferred embodiment, the box body is provided with a heat preservation cover 4 above the inlet conveying roller 2 and the outlet conveying roller 3, which is used to reduce the heat dissipation effect.
[0030] In the preferred embodiment, the nickel-chromium hollow workbench 1 is provided with a heat preservation plate 25 on the side wall, which is used to reduce the heat dissipation effect.
[0031] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A heating oven for preparing aluminum foil composite film, comprising a frame, a box arranged on the top of the frame, and an inlet conveying roller and an outlet conveying roller arranged on the frame at the entrances on both sides of the box, a nickel-chromium hollow workbench is arranged in the box, and a high-temperature air inlet pipe for connecting with an air heater is arranged on the nickel-chromium hollow workbench, characterized in that: The box is sequentially provided with a low-temperature section, a medium-temperature section, a high-temperature section, a medium-temperature section I and a low-temperature section I from the inlet to the outlet, the nickel-chromium hollow workbench is internally provided with ventilation bins, medium-temperature bins, high-temperature bins, medium-temperature bins I and ventilation bins I corresponding to the low-temperature section, the medium-temperature section, the high-temperature section, the medium-temperature section I and the low-temperature section I, vertical partitions are arranged between the high-temperature bins and the medium-temperature bins and the medium-temperature bins I, ventilation partitions are arranged between the medium-temperature bins and the ventilation bins and the medium-temperature bins I and the ventilation bins I, the high-temperature gas inlet pipe is in communication with the high-temperature bins, the vertical partitions are provided with ventilation holes for communicating both sides of the vertical partitions, and the ventilation partitions are provided with upper exhaust grooves for communicating both sides of the ventilation partitions.
2. The heating oven for preparing an aluminum foil composite film according to claim 1, characterized by: The ventilation holes are arranged at the top of the vertical partitions and are uniformly arranged in a row.
3. The heating oven for preparing an aluminum foil composite film according to claim 2, characterized in that: The medium-temperature bins and the medium-temperature bins I are provided with horizontal partitions for separating the lower parts of the medium-temperature bins and the medium-temperature bins I into heat preservation bins, the upper exhaust grooves are arranged at the upper part of the ventilation partitions and are located at both sides, and the lower part of the ventilation partitions is provided with lower exhaust grooves for communicating the ventilation bins and the heat preservation bins.
4. The heating oven for preparing an aluminum foil composite film according to claim 3, characterized in that: The heat preservation bins are provided with exhaust holes in communication with the smoke exhaust ducts away from the ventilation partitions.
5. The heating oven for preparing an aluminum foil composite film according to claim 1, characterized in that: The temperature of the low-temperature section and the low-temperature section I is set to 60-75 DEG C, the temperature of the medium-temperature section and the medium-temperature section I is set to 75-85 DEG C, and the temperature of the high-temperature section is set to 85-100 DEG C.
6. The heating oven for preparing an aluminum foil composite film according to claim 1, wherein: The box is provided with a compression roller for extending to the surface of the nickel-chromium hollow workbench at the top of the low-temperature section, the medium-temperature section, the high-temperature section, the medium-temperature section I and the low-temperature section I.
7. The heating oven for preparing an aluminum foil composite film according to claim 1, wherein: The box is provided with a heat preservation cover above the inlet conveying roller and the outlet conveying roller.
8. The heating oven for preparing an aluminum foil composite film according to claim 1, characterized by: The nickel-chromium hollow workbench is provided with heat preservation plates on the four circumferential side walls.