Film spraying and drying device for small-size colored composite film

Abstract

The utility model discloses a film spraying and drying device for a small-size colored composite film. The film spraying and drying device comprises a rack, comprising a rack, an inlet conveying roller, an outlet conveying roller, a spraying mechanism and a drying mechanism. The spraying mechanism comprises a rack I, a spray head seat, a spray head, a high-pressure gas-liquid mixing pipe which is communicated with the spray head seat and is used for providing mixed gas and liquid, and a communicating hose which is communicated between the high-pressure gas-liquid mixing pipe and the spray head seat; the drying mechanism comprises a box body and a nickel-chromium hollow workbench, and a medium-temperature bin, a high-temperature bin and a medium-temperature bin I are arranged in the nickel-chromium hollow workbench. The spraying mechanism is arranged at the front end of the drying oven, a liquid spraying nozzle is adopted for surface direct spraying of a sprayed film, and the sprayed composite film enters the drying oven to realize stepped temperature difference in the drying oven; therefore, volatilization, curing and deformation prevention of a solvent in an inner adhesive layer of the composite film and diversity of colored coating films on the surface of the composite film are achieved, the effect of multiple times of drying is achieved through one-time technology, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of aluminum foil compound machine, especially relates to a film spraying and drying device for small-size color composite 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 also 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 of aluminum foil is as packaging material; aluminum foil is a soft metal film, which not only has the advantages of moisture-proof, air-tight, 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 compound machine has poor drying effect due to the use of upper heating mode, so that the speed cannot be improved, and the indicators of the compounded product are large in moisture or the film is peeled off, etc. It is difficult to meet the process quality requirements, not only causing waste of materials, but also affecting the normal supply of orders, and the root cause of the problem is the heating mode of the oven.

[0004] In order to improve the diversity of the color of the aluminum foil composite film, a color smearing layer needs to be applied on the surface of the aluminum foil composite film, and the use of roll coating method is easy to cause the surface color of the whole aluminum foil composite film to be single, and how to mix and coat multiple colors on the surface of the aluminum foil composite film is the research direction of the person skilled in the art. SUMMARY

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a film spraying and drying device for small-size color composite film, which is characterized in that the film spraying and drying device for small-size color composite film is provided with a spraying mechanism at the front end of the oven, the film spraying adopts a liquid spraying head to directly spray the surface, the composite film after spraying enters the oven to realize the temperature step difference in the oven, so as to realize solvent volatilization, solidification and deformation prevention in the glue layer in the composite film and the diversity of color coating on the surface of the composite film respectively, realize the effect of multiple drying in one process, and improve the efficiency.

[0006] In order to achieve the above object, the utility model discloses a small -size color composite film's spray film drying device, including frame, the entrance and exit place of setting on both sides of frame entrance conveying roller and exit conveying roller, set along the entrance conveying roller to the spray mechanism and drying mechanism of exit conveying roller between the frame,

[0007] The spray mechanism includes frame I, the spray head seat set on frame I, the spray head communicated at the bottom of the spray head seat, the high pressure gas-liquid mixing pipe for providing mixed gas-liquid and the communication hose communicated between the high pressure gas-liquid mixing pipe and the spray head seat are communicated with the spray head seat,

[0008] The drying mechanism includes a box body and a nickel-chromium hollow workbench arranged in the box body, and the box body is sequentially provided with a medium temperature section, a high temperature section and a medium temperature section I from the inlet to the outlet, and the nickel-chromium hollow workbench is provided with a medium temperature bin, a high temperature bin and a medium temperature bin I corresponding to the medium temperature section, the high temperature section and the medium temperature section I.

[0009] Further, the outlet of the spray head is a square port, the length of the square port is 20-30mm, and the width of the square port is 4-5mm.

[0010] Further, the frame I is provided with a lifting cylinder on both sides.

[0011] Further, a lead screw and a driving motor connected to one side of the lead screw are horizontally arranged on the frame I, a sliding seat is sleeved on the lead screw, and the spray head seat is fixed to the bottom of the sliding seat through a connecting rod.

[0012] Further, the sliding seat on the lead screw is provided as 4-6.

[0013] Further, the spray head seat on the frame I is provided as 3-5 rows, and each row of spray head seat is communicated with 1 high pressure gas-liquid mixing pipe.

[0014] Further, the high temperature bin is communicated with a high temperature air inlet pipe connected with an air heater, vertical partition plates are arranged between the medium temperature bin and the medium temperature bin I on both sides of the high temperature bin, and air grooves for communicating both sides of the vertical partition plates are arranged on the vertical partition plates.

[0015] Further, horizontal partition plates are arranged in the medium temperature bin and the medium temperature bin I to divide the lower part of the medium temperature bin and the medium temperature bin I into heat preservation bins, air holes communicated with the heat preservation bins are arranged on the medium temperature bin and the medium temperature bin I, and air outlet holes are arranged on the heat preservation bins.

[0016] The utility model has the advantages that:

[0017] The utility model discloses a kind of film spraying drying device of small size color composite film, spraying mechanism is provided at the front end of oven, film spraying adopts liquid spray head to carry out surface direct spraying, composite film after spraying enters oven to realize temperature step difference in oven, to realize solvent volatilization in composite film inner adhesive layer, solidification and prevent deformation and the diversity of color coating film on composite film surface respectively, realize multiple drying effect of one process solution, improve efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a kind of structure schematic diagram of film spraying drying device of small size color composite film of the utility model;

[0019] Figure 2 It is the plan view of product prepared by a kind of film spraying drying device of small size color composite film of the utility model;

[0020] Figure 3 It is the plan view of product prepared by another structure of a kind of film spraying drying device of small size color composite film of the utility model;

[0021] Figure 4 It is the sectional view of nickel-chromium hollow workbench in a kind of film spraying drying device of small size color composite film of the utility model;

[0022] Figure 5 It is the structure schematic diagram of spraying device in a kind of film spraying drying device of small size color composite film of the utility model;

[0023] Figure 6 It is the side view of spraying device in a kind of film spraying drying device of small size color composite film of the utility model.

[0024] Reference signs: 1-frame;2-inlet conveying roller;3-outlet conveying roller;4-box;5-spraying mechanism;6-drying oven;7-nickel-chromium hollow workbench;8-pressing roller;9-high-temperature air inlet pipe;10-high-temperature bin;11-medium-temperature bin;12-medium-temperature bin I;13-exhaust hole;14-screw;15-high-pressure gas-liquid mixing pipe;16-spray head seat;17-spray head;18-connecting column;19-communicating hose;20-composite film;21-coating layer;22-sliding seat;23-ventilation groove;24-ventilation hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely 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.

[0026] As Figures 1-6It is the structure schematic drawing of a kind of film spraying drying device of small size color composite film of the utility model, the utility model discloses a kind of film spraying drying device of small size color composite film, including rack 1, the entrance conveying roller 2 and the exit conveying roller 3 of the entrance at both sides of rack 1 are set, rack 1 is provided with spraying mechanism 5 and drying mechanism 4 between entrance conveying roller 2 to exit conveying roller 3;

[0027] Spraying mechanism 5 includes rack I, the spray head seat 16 being provided on rack I, the spray head 17 being communicated at the bottom of spray head seat 16, the high-pressure gas-liquid mixing pipe 15 being communicated and being used to provide mixed gas-liquid with spray head seat 16 and the communication hose 19 being communicated between high-pressure gas-liquid mixing pipe 15 and spray head seat 16;

[0028] Drying mechanism 4 includes box 4 and nickel-chromium hollow workbench 7 being set in box 4, box 4 is sequentially provided with medium temperature section, high temperature section and medium temperature section I from entrance to exit, nickel-chromium hollow workbench is provided with medium temperature bin 11, high temperature bin 10 and medium temperature bin I 12 corresponding to medium temperature section, high temperature section and medium temperature section I.

[0029] The embodiment adopts liquid spray head to spray the surface of composite film directly, and the composite film after direct spraying enters the oven for drying, thereby avoiding the problem that roller coating cannot coat film locally.

[0030] The embodiment facilitates direct spraying color coating on the surface of composite film before entering the oven after adhesive composite, and then the adhesive layer and the composite film are dried and solidified together.

[0031] The embodiment divides the oven into medium temperature section, high temperature section and medium temperature section I from entrance to exit, and is provided with medium temperature bin 11, high temperature bin 10 and medium temperature bin I 12 in the corresponding nickel-chromium hollow workbench, utilizes high-temperature airflow to flow from high-temperature bin to the medium temperature bin and ventilation bin on both sides, realizes temperature step difference in the oven, thereby respectively realizes solvent volatilization in the adhesive layer of composite film, solidification and deformation prevention and color coating diversity on the surface of composite film, realizes multiple drying effects by one process, and improves efficiency.

[0032] Preferably, the outlet of the spray head 17 is square, the length of the square is 20-30 mm, and the width is 4-5 mm, which facilitates to improve the film spraying area of a single spray head.

[0033] Preferably, lifting cylinders are arranged on both sides of the rack I, which facilitates to adjust the distance between the spray head 17 and the surface of the composite film.

[0034] In the preferred embodiment, the horizontal frame I is provided with a screw rod 14 and a driving motor connected to one side of the screw rod 14, the screw rod 14 is sleeved with a sliding seat 22, the nozzle seat 16 is fixed to the bottom of the sliding seat 22 through a connecting rod 18, and when the connecting rod 16 and the film coating block 17 move with the screw rod, a wavy color film layer is formed on the surface of the composite film.

[0035] In the preferred embodiment, the sliding seat 22 on the screw rod 14 is provided as 4-6, which makes 4-6 nozzles simultaneously spray in a straight line, which is beneficial to improve the straight spraying range.

[0036] In the preferred embodiment, the nozzle seat on the horizontal frame I is provided as 3-5 rows, each row of nozzle seats is communicated with one high-pressure gas-liquid mixing pipe, and the film liquid of different colors can be used in the high-pressure gas-liquid mixing pipe in the embodiment, and various colors can be formed after spraying.

[0037] In the preferred embodiment, the high-temperature bin 10 is communicated with a high-temperature air inlet pipe 9 connected with an air heater, vertical partition plates are arranged between the high-temperature bin 9 and the medium-temperature bin and the medium-temperature bin I, air vent grooves 24 for communicating the two sides of the vertical partition plates are arranged on the vertical partition plates, horizontal partition plates are arranged in the medium-temperature bin and the medium-temperature bin I to divide the lower parts of the medium-temperature bin and the medium-temperature bin I into heat preservation bins, air vent holes 25 are arranged on the medium-temperature bin and the medium-temperature bin I and communicated with the heat preservation bins, and air exhaust holes 13 are arranged on the heat preservation bins, which makes the high-temperature gas flow from the high-temperature bin 10, enters the medium-temperature bin 11 along the air vent grooves 24, enters the heat preservation bin along the air vent holes 25, and finally is exhausted from the air exhaust holes 13 in the heat preservation bin, so that the gas flow circulates and flows, thereby realizing the heat preservation of the heat preservation bin preheating the medium-temperature bin 11 and reducing the heat dissipation efficiency.

[0038] The above is only the preferred specific 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 small size color composite film drying device of film spraying, comprising a frame, an inlet conveying roller and an outlet conveying roller arranged at the entrances on both sides of the frame, characterized in that: The spraying mechanism and the drying mechanism are arranged on the rack between the inlet conveying roller and the outlet conveying roller; The spraying mechanism comprises a rack I, a nozzle seat arranged on the rack I, a nozzle communicated at the bottom of the nozzle seat, a high-pressure gas-liquid mixing pipe for providing mixed gas-liquid communicated with the nozzle seat, and a communicating hose communicated between the high-pressure gas-liquid mixing pipe and the nozzle seat; The drying mechanism comprises a box body and a nickel-chromium hollow workbench arranged in the box body, wherein the box body is sequentially provided with a medium temperature section, a high temperature section and a medium temperature section I from the inlet to the outlet, and the nickel-chromium hollow workbench is provided with a medium temperature bin, a high temperature bin and a medium temperature bin I corresponding to the medium temperature section, the high temperature section and the medium temperature section I.

2. The apparatus according to claim 1, wherein the apparatus is characterized by: The outlet of the nozzle is a square port, the length of the square port is 20-30 mm, and the width of the square port is 4-5 mm.

3. The apparatus for drying the small size color composite film by spraying according to claim 1, wherein: Lifting air cylinders are arranged on both sides of the rack I.

4. The device according to any one of claims 1 to 3, wherein the device is a small-sized color composite film spraying and drying device. A lead screw and a driving motor connected to one side of the lead screw are horizontally arranged on the rack I, a sliding seat is sleeved on the lead screw, and the nozzle seat is fixed to the bottom of the sliding seat through a connecting rod.

5. The apparatus for drying the small size color composite film according to claim 4, wherein: The number of the sliding seats on the lead screw is 4-6.

6. The apparatus for drying the small size color composite film according to claim 1, wherein: The number of the nozzle seats on the rack I is 3-5 rows, and each row of the nozzle seats is communicated with one high-pressure gas-liquid mixing pipe.

7. The apparatus for drying the small size color composite film according to claim 4, wherein: The high temperature bin is communicated with a high temperature air inlet pipe connected with an air heater, vertical partition plates are arranged between the high temperature bin and the medium temperature bins on both sides of the high temperature bin, and air vent grooves for communicating both sides of the vertical partition plates are arranged on the vertical partition plates.

8. The apparatus according to claim 4, wherein the apparatus is characterized by: Horizontal partition plates for separating the lower parts of the medium temperature bins into heat preservation bins are arranged in the medium temperature bins and the medium temperature bin I, air vent holes communicated with the heat preservation bins are arranged on the medium temperature bins and the medium temperature bin I, and air exhaust holes are arranged on the heat preservation bins.

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