Environment-friendly hot melting laminating device

The environmentally friendly hot-melt coating device addresses environmental pollution from glue use in laminating devices by using a hot-melt lamination process and gas extraction, achieving effective and pollution-free lamination.

CN119240078AInactive Publication Date: 2025-01-03RUISHENGCHANG ALUMINUM (JIANGSU) CO LTD
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Patent Information

Application Number
CN202411623370.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-01-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing laminating devices pollute the environment by releasing chemical substances during the gluing process due to the use of glue in the lamination of films on substrates.

Method used

An environmentally friendly hot-melt coating device that uses a hot-melt lamination process without glue, employing a hot-melt element to melt the film surface onto the substrate, combined with a pressing roller mechanism and a gas extraction system to reduce chemical emissions.

Benefits of technology

The device effectively laminates substrates without glue, reducing chemical pollution and improving environmental friendliness while ensuring stable and efficient lamination.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the field of film covering devices, in particular to an environment-friendly hot melting film covering device which comprises a working frame, an adjusting assembly, a material guiding assembly, a film guiding assembly, a hot melting assembly, a film covering assembly, a heating assembly, a supporting assembly, a control assembly and a protection assembly. An adjusting assembly is arranged on the inner side of the working frame, a material guiding assembly is arranged on one side of the adjusting assembly, a film guiding assembly is arranged on one side of the working frame, a hot melting assembly is arranged on one side of the working frame, a film covering assembly is arranged below the working frame, a heating assembly is arranged below the film covering assembly, and a supporting assembly is arranged below the working frame. A control assembly is arranged on one side of the working frame, and a protection assembly is arranged above the working frame. Compared with a film coating device in the prior art which can release some chemical substances in a colloidal material during gluing, the film coating device disclosed by the invention has the advantages that film coating is carried out without using a glue material through a hot melting film coating mode, so that the discharge of the chemical substances is reduced, and the environmental protection property of the film coating device is improved.
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Description

Technical Field

[0001] The invention relates to the field of film coating devices, and in particular to an environmentally friendly hot-melt film coating device. Background Art

[0002] A laminating device is a mechanical device used to cover a layer of film on the surface of an object. The laminating device first needs to lead the film out of a storage or supply device to ensure the continuity and tension control of the film, and accurately position and adhere the film to the surface of the target object through mechanical or pneumatic devices. After the film is adhered, the laminating device usually uses rollers, pressure rollers or other pressing devices to press the film to ensure that it is firmly attached to the surface of the object. For film coverings that require a specific length, the laminating device will also be equipped with a cutting device to automatically cut off the film after reaching a predetermined length, and perform necessary sorting and collection. The laminating device under the prior art uses heating technology to cover the film on the surface of paper or other substrates, but the laminating device under the prior art needs to coat the substrate and the laminating material with glue when laminating. Some chemicals in the colloid material will be released during the gluing process, and some chemicals will pollute the environment. Summary of the invention

[0003] In order to overcome the problem that the laminating device under the existing technology covers the film on the surface of paper or other substrates through heating technology, the laminating device under the existing technology needs to coat the substrate and the laminating material with glue during lamination. Some chemical substances in the colloid material will be released during the coating process, and some chemical substances will cause pollution to the environment.

[0004] The technical scheme of the present invention is: an environmentally friendly hot-melt coating device, comprising a working frame, an adjusting component, a material guiding component, a film guiding component, a hot-melt component, a coating component, a heating component, a supporting component, a controlling component and a protecting component; an adjusting component is arranged on the inner side of the working frame, a material guiding component is arranged on one side of the adjusting component, a film guiding component is arranged on one side of the working frame, a hot-melt component is arranged on one side of the working frame, a coating component is arranged below the working frame, a heating component is arranged below the coating component, a supporting component is arranged below the working frame, a controlling component is arranged on one side of the working frame, and a protecting component is arranged above the working frame; the hot-melt component comprises a connecting plate and a hot-melt element; one side of the working frame A connecting plate is arranged on the side, a hot melt element is arranged above the connecting plate, two groups of hot melt elements are arranged, and the two groups of hot melt elements are respectively located above and below the connecting plate; the laminating assembly includes an electric telescopic rod, a mounting plate, a connecting frame, a third rotating shaft, a pressing roller, a fourth rotating shaft and a conveying roller; an electric telescopic rod is arranged below the working frame, and multiple groups of electric telescopic rods are arranged, a mounting plate is arranged at one end of the electric telescopic rod, a connecting frame is arranged below the mounting plate, and multiple groups of connecting frames are arranged, a third rotating shaft is arranged on the inner side of the connecting frame, a pressing roller is arranged on the outer side of the third rotating shaft, a fourth rotating shaft is arranged on one side of the working frame, a conveying roller is arranged on the outer side of the fourth rotating shaft, and the conveying roller and the fourth rotating shaft are rotatably connected.

[0005] Preferably, the position of the hot melt element is fixed by a connecting plate, and the printed product and the coating material are heated by starting the hot melt element when they are conveyed, and the heat is transferred to the contact surface between the printed product substrate and the coating material to melt the film surface, and the mounting plate is driven to move up and down by the telescopic movement of the electric telescopic rod, and the position of the pressing roller is adjusted by the up and down movement of the mounting plate, and the pressing roller is moved up and down above the conveying roller to apply pressure to the conveyed substrate and coating material, so that the substrate and the film material are tightly fitted, thereby laminating the substrate, and hot melt laminating does not require the use of glue materials for laminating, thereby reducing the emission of chemical substances and improving the environmental friendliness of the laminating device.

[0006] Preferably, the adjustment component includes an adjustment motor and a first threaded rod; an adjustment motor is arranged above the workbench, and a first threaded rod is arranged at the output end of the adjustment motor, and the first threaded rod has two opposite threads. When in use, the first threaded rod is driven to rotate by starting the adjustment motor.

[0007] Preferably, the adjustment assembly also includes a first moving block; the first moving block is arranged on the outer side of the first threaded rod, and the first moving block is threadedly connected to the first threaded rod. When in use, the first moving block is driven to move up and down by the rotation of the first threaded rod.

[0008] Preferably, the material guide assembly includes a material guide motor, a first rotating shaft and a material guide roller; a material guide motor is arranged on one side of the first movable block, a first rotating shaft is arranged at the output end of the material guide motor, and a material guide roller is arranged on the outer side of the first rotating shaft. When in use, the material guide motor is started to drive the first rotating shaft to rotate, and the material guide roller is driven to rotate by the rotation of the first rotating shaft. The distance between the material guide rollers can be adjusted by moving the first movable block up and down, and the printed products that need to be coated can be guided by the rotation of the material guide roller.

[0009] Preferably, the film guide assembly includes a control motor, a second threaded rod and a second moving block; a control motor is arranged above the workbench, a second threaded rod is arranged at the output end of the control motor, the second threaded rod has two opposite threads, a second moving block is arranged on the outer side of the second threaded rod, the second moving block is threadedly connected to the second threaded rod, and two groups of second moving blocks are arranged. When in use, the second threaded rod is driven to rotate by starting the control motor, and the second moving block is driven to move up and down by the rotation of the second threaded rod.

[0010] Preferably, the film guide assembly also includes a film guide motor, a second rotating shaft and a film guide roller; a film guide motor is arranged on one side of the second movable block, a second rotating shaft is arranged at the output end of the film guide motor, and a film guide roller is arranged on the outer side of the second rotating shaft. When in use, the second rotating shaft is driven to rotate by starting the film guide motor, and the film guide roller is driven to rotate by the rotation of the second rotating shaft. The distance between the film guide rollers can be adjusted by moving the second movable block up and down, and the coating material can be transported and processed by the rotation of the film guide roller.

[0011] Preferably, the heating component includes a hot air blower and an air outlet duct; the hot air blower is arranged below the conveying roller, and the air outlet duct is arranged above the hot air blower, and multiple groups of air outlet ducts are arranged. When in use, the hot air blower is started to spray hot air from the air outlet ducts through the multiple groups of air outlet ducts to heat the printed products conveyed above the conveying roller, thereby reducing heat loss during lamination and improving the lamination effect.

[0012] Preferably, the support assembly includes a bracket and a shock-absorbing pad; a bracket is arranged below the work frame, and the bracket is arranged in multiple groups, and a shock-absorbing pad is arranged below the bracket. When in use, the work frame is supported by the bracket, thereby supporting the device, and the bracket is shock-absorbing by the shock-absorbing pad, thereby shock-absorbing the device, thereby improving the stability of the device when in use.

[0013] Preferably, the control component includes a fixed plate and a controller; a fixed plate is provided on one side of the workbench, and a controller is provided on one side of the fixed plate. When in use, the position of the controller is fixed by the fixed plate, and the device is controlled and operated by the PLC control program built into the controller.

[0014] Preferably, the protective component includes an exhaust fan and a connecting pipe; an exhaust fan is arranged above the work frame, a connecting pipe is arranged on one side of the exhaust fan, and multiple groups of connecting pipes are arranged. When in use, part of the harmful gas generated during the lamination process of the printed product is extracted along the connecting pipe by starting the exhaust fan, thereby reducing the content of harmful gas in the lamination working environment and providing safety protection for the surrounding workers.

[0015] Beneficial effects of the present invention: 1. Compared with the laminating device under the prior art, which uses heating technology to cover the film on the surface of paper or other substrates, the laminating device under the prior art needs to apply glue to the substrate and the laminating material during lamination, and some chemical substances in the colloid material will be released during the gluing process, and some chemical substances will pollute the environment. The device uses hot-melt lamination without the need to use glue materials for lamination, thereby reducing the emission of chemical substances and improving the environmental friendliness of the laminating device; 2. The position of the hot melt element is fixed by the connecting plate. The hot melt element is started to heat the printed product and the coating material when they are conveyed, and the heat is transferred to the contact surface of the printed product substrate and the coating material to melt the film surface. The mounting plate is driven to move up and down by the telescopic movement of the electric telescopic rod. The position of the pressing roller is adjusted by the up and down movement of the mounting plate. The pressing roller is moved up and down above the conveying roller to apply pressure to the conveyed substrate and the coating material, so that the substrate and the film material are closely attached, thereby laminating the substrate. The hot melt laminating method does not require the use of glue materials for laminating, thereby reducing the emission of chemical substances and improving the environmental protection of the laminating device. 3. By starting the exhaust fan, some of the harmful gases generated during the lamination process of printed products are extracted along the connecting pipe, thereby reducing the content of harmful gases in the lamination working environment and providing safety protection for surrounding workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a first three-dimensional structural schematic diagram of the environmentally friendly hot-melt coating device of the present invention; Figure 2 Shown is a second three-dimensional structural schematic diagram of the environmentally friendly hot-melt coating device of the present invention; Figure 3 The first cross-sectional structure schematic diagram of the environmentally friendly hot-melt coating device of the present invention is shown; Figure 4 The second cross-sectional structure schematic diagram of the environmentally friendly hot-melt coating device of the present invention is shown; Figure 5 Shown is a schematic diagram of the third cross-sectional structure of the environmentally friendly hot-melt coating device of the present invention; Figure 6Shown is a partial three-dimensional schematic diagram of the environmentally friendly hot-melt coating device of the present invention; Explanation of the reference numerals: 1. working frame; 201. adjusting motor; 202. first threaded rod; 203. first moving block; 301. material guiding motor; 302. first rotating shaft; 303. material guiding roller; 401. control motor; 402. second threaded rod; 403. second moving block; 405. film guiding motor; 406. second rotating shaft; 407. film guiding roller; 501. connecting plate; 502. hot melt element; 601. electric telescopic rod; 602. mounting plate; 603. connecting frame; 604. third rotating shaft; 605. pressing roller; 606. fourth rotating shaft; 607. conveying roller; 701. hot air blower; 702. air outlet pipe; 801. bracket; 802. shock-absorbing pad; 901. fixing plate; 902. controller; 1001. exhaust fan; 1002. connecting pipe. DETAILED DESCRIPTION

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] See also Figure 1-2 The present invention provides an embodiment: an environmentally friendly hot-melt coating device, comprising a working frame 1, an adjusting component, a material guiding component, a film guiding component, a hot-melt component, a coating component, a heating component, a supporting component, a controlling component and a protecting component; an adjusting component is arranged on the inner side of the working frame 1, a material guiding component is arranged on one side of the adjusting component, a film guiding component is arranged on one side of the working frame 1, a hot-melt component is arranged on one side of the working frame 1, a coating component is arranged below the working frame 1, a heating component is arranged below the coating component, a supporting component is arranged below the working frame 1, a controlling component is arranged on one side of the working frame 1, and a protecting component is arranged above the working frame 1; the hot-melt component comprises a connecting plate 501 and a hot-melt element 502; a connecting plate 501 is arranged on one side of the working frame 1, a hot-melt element 502 is arranged above the connecting plate 501, and a hot-melt element 502 is arranged above the hot-melt element 502. 02 is provided with two groups, and the two groups of hot melt elements 502 are respectively located above and below the connecting plate 501; the coating assembly includes an electric telescopic rod 601, a mounting plate 602, a connecting frame 603, a third rotating shaft 604, a pressing roller 605, a fourth rotating shaft 606 and a conveying roller 607; an electric telescopic rod 601 is provided below the working frame 1, and the electric telescopic rod 601 is provided with multiple groups, a mounting plate 602 is provided at one end of the electric telescopic rod 601, a connecting frame 603 is provided below the mounting plate 602, and the connecting frame 603 is provided with multiple groups, a third rotating shaft 604 is provided on the inner side of the connecting frame 603, a pressing roller 605 is provided on the outer side of the third rotating shaft 604, a fourth rotating shaft 606 is provided on one side of the working frame 1, and a conveying roller 607 is provided on the outer side of the fourth rotating shaft 606, and the conveying roller 607 and the fourth rotating shaft 606 are rotatably connected.

[0019] See also Figure 2-6 In this embodiment, the adjustment component includes an adjustment motor 201 and a first threaded rod 202; an adjustment motor 201 is arranged above the work frame 1, and a first threaded rod 202 is arranged at the output end of the adjustment motor 201, and the first threaded rod 202 has two opposite threads. When in use, the first threaded rod 202 is driven to rotate by starting the adjustment motor 201, and the adjustment component also includes a first moving block 203; a first moving block 203 is arranged on the outer side of the first threaded rod 202, and the first moving block 203 is threadedly connected to the first threaded rod 202. When in use, the first threaded rod 202 is driven to rotate by rotating the first threaded rod 202. The block 203 moves up and down, and the material guide assembly includes a material guide motor 301, a first rotating shaft 302 and a material guide roller 303; a material guide motor 301 is arranged on one side of the first moving block 203, a first rotating shaft 302 is arranged on the output end of the material guide motor 301, and a material guide roller 303 is arranged on the outer side of the first rotating shaft 302. When in use, the material guide motor 301 is started to drive the first rotating shaft 302 to rotate, and the material guide roller 303 is driven to rotate by the rotation of the first rotating shaft 302. The distance between the material guide rollers 303 can be adjusted by moving the first moving block 203 up and down, and the printed products that need to be coated can be coated by rotating the material guide rollers 303. The film guiding component includes a control motor 401, a second threaded rod 402 and a second moving block 403; a control motor 401 is arranged above the working frame 1, and a second threaded rod 402 is arranged at the output end of the control motor 401, and two opposite threads are arranged on the second threaded rod 402, and a second moving block 403 is arranged on the outer side of the second threaded rod 402, and the second moving block 403 is threadedly connected with the second threaded rod 402, and the second moving block 403 is arranged in two groups. When in use, the second threaded rod 402 is driven to rotate by starting the control motor 401, and the second threaded rod 402 is driven to rotate by the rotation of the second threaded rod 402. 03 moves up and down, the film guide assembly also includes a film guide motor 405, a second rotating shaft 406 and a film guide roller 407; a film guide motor 405 is arranged on one side of the second moving block 403, a second rotating shaft 406 is arranged on the output end of the film guide motor 405, and a film guide roller 407 is arranged on the outer side of the second rotating shaft 406. When in use, the second rotating shaft 406 is driven to rotate by starting the film guide motor 405, and the film guide roller 407 is driven to rotate by the rotation of the second rotating shaft 406. The distance between the film guide rollers 407 can be adjusted by moving the second moving block 403 up and down, and the coating material can be transported and processed by rotating the film guide roller 407.

[0020] The heating component includes a hot air blower 701 and an air outlet pipe 702; a hot air blower 701 is arranged below the conveying roller 607, and an air outlet pipe 702 is arranged above the hot air blower 701, and multiple groups of air outlet pipes 702 are arranged. When in use, the hot air blower 701 is started to spray hot air from the air outlet pipes 702 through the multiple groups of air outlet pipes 702, so as to heat the printed products conveyed above the conveying roller 607, reduce heat loss during lamination, and improve the lamination effect. The supporting component includes a bracket 801 and a shock-absorbing pad 802; a bracket 801 is arranged below the working frame 1, and multiple groups of bracket 801 are arranged. Shock-absorbing pad 802 is arranged below the bracket 801. When in use, the working frame 1 is supported by the bracket 801, so as to support the device, and the bracket 801 is shock-absorbing by the shock-absorbing pad 802, so as to shock-absorbing the device, so as to improve the printing effect. In order to improve the stability of the device when in use, the control component includes a fixed plate 901 and a controller 902; a fixed plate 901 is arranged on one side of the working frame 1, and a controller 902 is arranged on one side of the fixed plate 901. When in use, the position of the controller 902 is fixed by the fixed plate 901, and the device is controlled and operated by the PLC control program built into the controller 902. The protection component includes an exhaust fan 1001 and a connecting pipe 1002; an exhaust fan 1001 is arranged above the working frame 1, and a connecting pipe 1002 is arranged on one side of the exhaust fan 1001, and the connecting pipe 1002 is provided with multiple groups. When in use, part of the harmful gas generated during the lamination process of the printed product is extracted along the connecting pipe by starting the exhaust fan 1001, thereby reducing the content of harmful gas in the lamination working environment, and performing safety protection treatment on the surrounding staff.

[0021] When working, the material guide motor 301 is started to drive the first rotating shaft 302 to rotate, and the material guide roller 303 is driven to rotate by the rotation of the first rotating shaft 302. The distance between the material guide rollers 303 can be adjusted by moving the first moving block 203 up and down, and the material guide rollers 303 can be rotated to guide the printed product to be coated; After the material is guided, the film guide motor 405 is started to drive the second rotating shaft 406 to rotate, and the film guide roller 407 is driven to rotate by the rotation of the second rotating shaft 406. The distance between the film guide rollers 407 can be adjusted by moving the second moving block 403 up and down, and the film guide rollers 407 can be rotated to transport the film-coated material; After the coating material is conveyed, the hot melt element 502 is started to heat the printed product and the coating material while they are being conveyed, and the heat is transferred to the contact surface between the printed product substrate and the coating material to melt the film surface. The mounting plate 602 is driven to move up and down by the telescopic movement of the electric telescopic rod 601, and the position of the pressing roller 605 is adjusted by the up and down movement of the mounting plate 602. The pressing roller 605 is moved up and down above the conveying roller 607 to apply pressure to the conveyed substrate and coating material, so that the substrate and the film material are closely fitted, thereby laminating the substrate.

[0022] Through the above steps, the position of the hot melt element 502 is fixed by the connecting plate 501, and the hot melt element 502 is started to heat the printed product and the coating material when they are conveyed, and the heat is transferred to the contact surface of the printed product substrate and the coating material to melt the film surface, and the mounting plate 602 is driven to move up and down by the telescopic movement of the electric telescopic rod 601, and the position of the pressing roller 605 is adjusted by the up and down movement of the mounting plate 602, and the pressing roller 605 is moved up and down above the conveying roller 607 to apply pressure to the conveyed substrate and coating material, so that the substrate and the film material are closely attached, so as to coat the substrate, and the hot melt coating method does not need to use glue materials for coating, thereby reducing the emission of chemical substances and improving the environmental protection of the coating device.

[0023] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. An environmentally friendly hot-melt coating device, comprising a working frame (1); characterized in that: The device also comprises an adjusting component, a material guiding component, a film guiding component, a hot melt component, a film coating component, a heating component, a supporting component, a controlling component and a protecting component; an adjusting component is arranged on the inner side of the working frame (1); a material guiding component is arranged on one side of the adjusting component; a film guiding component is arranged on one side of the working frame (1); a hot melt component is arranged on one side of the working frame (1); a film coating component is arranged below the working frame (1); a heating component is arranged below the film coating component; a supporting component is arranged below the working frame (1); a controlling component is arranged on one side of the working frame (1); and a protecting component is arranged above the working frame (1); the hot melt component comprises a connecting plate (501) and a hot melt element (502); a connecting plate (501) is arranged on one side of the working frame (1); a hot melt element (502) is arranged above the connecting plate (501); two groups of hot melt elements (502) are arranged, and the two groups of hot melt elements (502) are respectively located on the connecting plate (501) and the hot melt element (502) is arranged on the upper side of the connecting plate (501). 501); the laminating assembly comprises an electric telescopic rod (601), a mounting plate (602), a connecting frame (603), a third rotating shaft (604), a pressing roller (605), a fourth rotating shaft (606) and a conveying roller (607); an electric telescopic rod (601) is arranged below the working frame (1), the electric telescopic rod (601) is provided with a plurality of groups, a mounting plate (602) is arranged at one end of the electric telescopic rod (601), a connecting frame (603) is arranged below the mounting plate (602), the connecting frame (603) is provided with a plurality of groups, a third rotating shaft (604) is arranged on the inner side of the connecting frame (603), a pressing roller (605) is arranged on the outer side of the third rotating shaft (604), a fourth rotating shaft (606) is arranged on one side of the working frame (1), a conveying roller (607) is arranged on the outer side of the fourth rotating shaft (606), and the conveying roller (607) and the fourth rotating shaft (606) are rotatably connected.

2. The environmentally friendly hot-melt coating device according to claim 1, characterized in that: The adjustment component comprises an adjustment motor (201) and a first threaded rod (202); the adjustment motor (201) is arranged above the working frame (1), the output end of the adjustment motor (201) is arranged with the first threaded rod (202), and the first threaded rod (202) has two opposite threads.

3. The environmentally friendly hot-melt coating device according to claim 2, characterized in that: The adjustment component also includes a first moving block (203); the first moving block (203) is arranged outside the first threaded rod (202), and the first moving block (203) and the first threaded rod (202) are threadedly connected.

4. The environmentally friendly hot-melt coating device according to claim 3 is characterized in that: The material guide assembly comprises a material guide motor (301), a first rotating shaft (302) and a material guide roller (303); the material guide motor (301) is arranged on one side of the first moving block (203), the first rotating shaft (302) is arranged at the output end of the material guide motor (301), and the material guide roller (303) is arranged on the outer side of the first rotating shaft (302).

5. The environmentally friendly hot-melt coating device according to claim 1, characterized in that: The film guide assembly comprises a control motor (401), a second threaded rod (402) and a second moving block (403); the control motor (401) is arranged above the working frame (1); the second threaded rod (402) is arranged at the output end of the control motor (401); the second threaded rod (402) has two opposite threads; the second moving block (403) is arranged outside the second threaded rod (402); the second moving block (403) is threadedly connected to the second threaded rod (402); and two groups of the second moving blocks (403) are arranged.

6. The environmentally friendly hot-melt coating device according to claim 5, characterized in that: The film guide assembly further comprises a film guide motor (405), a second rotating shaft (406) and a film guide roller (407); the film guide motor (405) is arranged on one side of the second moving block (403), the second rotating shaft (406) is arranged at the output end of the film guide motor (405), and the film guide roller (407) is arranged on the outer side of the second rotating shaft (406).

7. The environmentally friendly hot-melt coating device according to claim 6, characterized in that: The heating component comprises a hot air blower (701) and an air outlet pipe (702); the hot air blower (701) is arranged below the conveying roller (607), the air outlet pipe (702) is arranged above the hot air blower (701), and the air outlet pipe (702) is arranged in multiple groups.

8. The environmentally friendly hot-melt coating device according to claim 1, characterized in that: The support assembly comprises a bracket (801) and a shock-absorbing pad (802); the bracket (801) is arranged below the working frame (1), the bracket (801) is provided with a plurality of groups, and the shock-absorbing pad (802) is arranged below the bracket (801).

9. The environmentally friendly hot-melt coating device according to claim 1, characterized in that: The control component comprises a fixing plate (901) and a controller (902); the fixing plate (901) is arranged on one side of the working frame (1), and the controller (902) is arranged on one side of the fixing plate (901).

10. The environmentally friendly hot-melt coating device according to claim 1, characterized in that: The protection component comprises an exhaust fan (1001) and a connecting pipe (1002); the exhaust fan (1001) is arranged above the working frame (1), and a connecting pipe (1002) is arranged on one side of the exhaust fan (1001), and a plurality of groups of connecting pipes (1002) are arranged.