Hot air circulation device of main machine of film laminating machine

Abstract

The utility model relates to a hot air circulating device for a main machine of a film laminating machine, which comprises a mounting bracket, a mounting panel arranged on the mounting bracket, a drying cavity arranged below the mounting panel, a drying cavity air outlet arranged on the drying cavity and used for blowing to a drying roller, and at least one natural air inlet arranged on the mounting panel corresponding to the drying cavity, the natural air inlet is provided with a first heating pipe assembly on one side of the drying cavity, the mounting panel is provided with a waste gas exhaust port, the waste gas exhaust port is arranged on one side of an air outlet of the drying cavity and outside the drying cavity, an air draft device is arranged on one side of the mounting support, and waste heat recovery drying equipment is arranged on one side of the air draft device. The installation panel is provided with a hot air circulation air inlet corresponding to the drying cavity, the hot air circulation air inlet is provided with an air supply device, the waste gas exhaust port is connected with an air inlet of the air exhaust device, an air outlet of the air exhaust device is connected with an air inlet of the waste heat recovery drying device, and the waste heat recovery drying device is provided with a circulation air outlet connected with the hot air circulation air inlet. Hot air is recycled, and energy conservation and environment protection are achieved.

Description

Technical Field

[0001] The utility model relates to the field of laminating machines, in particular to a hot air circulation device for a main machine of a laminating machine. Background Art

[0002] The dry laminating machine first coats the film with solvent-based glue, and then dries it before laminating it with paper. The drying mechanism usually includes a drying roller and a hot air conveying device. The hot air conveying device includes an air inlet device for conveying air and a heating tube. The non-glue-coated surface of the glued film is laminated to the surface of the drying roller. The air input by the air inlet device is heated by the heating tube and then blown toward the film. After passing through the film, the hot air carries moisture and is discharged from the main machine. However, the hot air is discharged from the equipment after a single use, which causes heat waste and is not conducive to energy saving and environmental protection. Summary of the invention

[0003] The technical problem to be solved by the present invention is to address the deficiencies of the above-mentioned prior art.

[0004] A hot air circulation device for a main machine of a laminating machine is provided, which recycles hot air and is energy-saving and environmentally friendly.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a hot air circulation device of a main machine of a laminating machine, comprising a mounting bracket, the mounting bracket is provided with a mounting panel, a drying chamber is provided under the mounting panel, the drying chamber is provided with a drying chamber outlet blowing toward a drying roller, the mounting panel is provided with at least one natural wind inlet corresponding to the drying chamber, the natural wind inlet is provided with a first heating tube assembly on one side of the drying chamber, and is characterized in that: the mounting panel is provided with an exhaust gas extraction outlet, the exhaust gas extraction outlet is arranged on one side of the drying chamber outlet and is placed outside the drying chamber, an exhaust device is provided on one side of the mounting bracket, a waste heat recovery drying device is provided on one side of the exhaust device, a hot air circulation inlet is provided on the mounting panel corresponding to the drying chamber, an air supply device is provided on the hot air circulation inlet, the exhaust gas extraction outlet is connected to the air inlet of the exhaust device, the air outlet of the exhaust device is connected to the air inlet of the waste heat recovery drying device, the waste heat recovery drying device is provided with a circulation outlet, and the circulation outlet is connected to the hot air circulation inlet.

[0006] The utility model with the above characteristics: air enters the drying chamber from the natural wind inlet for heating, and is blown toward the drying roller from the drying chamber outlet. The hot air passes through the drying roller and carries moisture, is extracted from the exhaust gas outlet, and is transported through the exhaust device into the waste heat recovery drying equipment for moisture removal. The circulating hot air after moisture removal enters the drying chamber through the hot air circulation inlet, is heated to the required temperature, and is blown toward the drying roller from the drying chamber outlet again, which is recycled and energy-saving and environmentally friendly.

[0007] A further configuration of the utility model is: the waste heat recovery and drying equipment includes a shell, a full heat exchanger core is arranged in the shell, the shell is connected to the mounting bracket, the shell is provided with a dry air outlet and a moist air outlet, the dry air outlet is provided with a second heating device, and the circulating air outlet is arranged on the second heating device.

[0008] The utility model with the above characteristics: the waste gas removes excess moisture through the full heat exchanger core, part of the hot air enters the second heating device through the circulating air outlet to be heated again, and part of the hot air carrying excess moisture is discharged from the humid air outlet.

[0009] The utility model is further configured as follows: the second heating device comprises a second heating device shell, the second heating device shell is provided with a heating chamber, a second heating tube assembly is provided in the heating chamber, and the heating chamber is communicated with the drying air outlet.

[0010] The utility model with the above characteristics heats and dries the air.

[0011] A further arrangement of the utility model is: the exhaust gas extraction port is sealedly connected to the air inlet of the exhaust device, the air outlet of the exhaust device is sealedly connected to the air inlet of the waste heat recovery and drying equipment, the waste heat recovery and drying equipment is provided with a circulating air outlet, and the circulating air outlet is sealedly connected to the hot air circulation air inlet.

[0012] The utility model with the above characteristics can avoid heat dissipation and waste.

[0013] The beneficial effects of the utility model are: recycling hot air, energy saving and environmental protection.

[0014] The utility model is further described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional schematic diagram of an embodiment of the utility model Figure 1 .

[0016] Figure 2 A three-dimensional schematic diagram of an embodiment of the utility model Figure 2 .

[0017] Figure 3 A three-dimensional schematic diagram of an embodiment of the utility model Figure 3 .

[0018] Figure 4 A three-dimensional schematic diagram of an embodiment of the utility model Figure 4 .

[0019] Figure 5 It is a cross-sectional schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0020] like Figure 1 —— Figure 4 A hot air circulation device for a main machine of a laminating machine is shown, comprising a mounting bracket 1, the mounting bracket 1 is provided with a mounting panel 2, a drying chamber 3 is provided below the mounting panel 2, the drying chamber 3 is provided with a drying chamber outlet 4 blowing toward a drying roller, the mounting panel 2 is provided with at least one natural wind inlet 5 corresponding to the drying chamber 3, in this embodiment, two drying chambers 3 are provided relatively, each drying chamber is provided with two natural wind inlets 5 respectively, the natural wind inlet 5 is provided with a first heating tube assembly 6 on one side of the drying chamber 3, the mounting panel 2 is provided with an exhaust gas extraction port 7, the exhaust gas extraction port 7 is arranged on one side of the drying chamber outlet 4 and is placed outside the drying chamber 3, an exhaust device 8 is provided on one side of the mounting bracket 1, the exhaust device 8 is a fan, a waste heat recovery drying device 9 is provided on one side of the exhaust device 8, the mounting panel 2 is provided with a hot air circulation inlet 10 corresponding to the drying chamber 3, the hot air circulation inlet 10 is provided with an air supply device 11, the air supply device 11 is a fan, the exhaust gas extraction port 7 and the exhaust gas extraction port 7 are connected to the exhaust port 7, and the exhaust gas extraction port 7 is connected to the exhaust port 7. The air inlet of the device 8 is sealed and connected through a connecting pipe, and the air outlet of the exhaust device 8 is sealed and connected to the air inlet of the waste heat recovery and drying equipment 9 through a connecting pipe. The waste heat recovery and drying equipment 9 is provided with a circulating air outlet 12, and the circulating air outlet 12 is sealed and connected to the hot air circulation air inlet 10 connecting pipe. The waste heat recovery and drying equipment 9 includes a shell 901, and a full heat exchanger core 902 is provided in the shell 901. The shell 901 is connected to the mounting bracket 1. The shell 901 is provided with a dry air outlet 15 and a humid air outlet 13. The dry air outlet is provided with a second heating device 14. The circulating air outlet 12 is arranged on the second heating device 14. The second heating device 14 includes a second heating device shell 1401. The second heating device shell 1401 is provided with a heating chamber 1402. The heating chamber 1402 is provided with a second heating tube assembly 1403. The heating chamber 1402 is connected to the dry air outlet 15. The above-mentioned connecting pipes are not shown in the figure.

[0021] The air enters the drying chamber 3 from the natural wind inlet 5 for heating, and is blown toward the drying roller from the drying chamber outlet 4. After passing through the drying roller, the hot air carries moisture and is extracted from the exhaust gas outlet 7 and transported through the exhaust device 8 to enter the waste heat recovery drying equipment 9 for moisture removal. After the moisture is removed, the circulating hot air enters the drying chamber 3 through the hot air circulation inlet 10, is heated to the required temperature, and is blown toward the drying roller from the drying chamber outlet 4 again for recycling, energy saving and environmental protection.

Claims

1. A hot air circulation device for a main machine of a laminating machine, comprising a mounting bracket, the mounting bracket is provided with a mounting panel, a drying chamber is provided below the mounting panel, the drying chamber is provided with a drying chamber air outlet blowing toward a drying roller, the mounting panel is provided with at least one natural wind inlet corresponding to the drying chamber, the natural wind inlet is provided with a first heating tube assembly on one side of the drying chamber, and is characterized in that: The installation panel is provided with an exhaust gas extraction port, and the exhaust gas extraction port is arranged on one side of the drying chamber outlet and placed outside the drying chamber. An exhaust device is provided on one side of the installation bracket, and a waste heat recovery drying device is provided on one side of the exhaust device. The installation panel is provided with a hot air circulation inlet corresponding to the drying chamber, and the hot air circulation inlet is provided with an air supply device. The exhaust gas extraction port is connected to the air inlet of the exhaust device, and the air outlet of the exhaust device is connected to the air inlet of the waste heat recovery drying device. The waste heat recovery drying device is provided with a circulation outlet, and the circulation outlet is connected to the hot air circulation inlet.

2. The hot air circulation device for a laminating machine according to claim 1, characterized in that: The waste heat recovery and drying equipment includes a shell, a full heat exchanger core is arranged in the shell, the shell is connected to the mounting bracket, the shell is provided with a dry air outlet and a moist air outlet, the dry air outlet is provided with a second heating device, and the circulating air outlet is arranged on the second heating device.

3. The hot air circulation device for a laminating machine according to claim 2, characterized in that: The second heating device comprises a second heating device shell, the second heating device shell is provided with a heating chamber, a second heating tube assembly is provided in the heating chamber, and the heating chamber is communicated with the drying air outlet.

4. A hot air circulation device for a laminating machine according to claim 1 or 2, characterized in that: The exhaust gas extraction port is sealed to the air inlet of the exhaust device, the air outlet of the exhaust device is sealed to the air inlet of the waste heat recovery and drying equipment, the waste heat recovery and drying equipment is provided with a circulation air outlet, and the circulation air outlet is sealed to the hot air circulation air inlet.

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