A rolling type glue coating device for air duct plate composite

Abstract

The utility model discloses a kind of wind pipe plate composite use roll press type gluing device, it is related to wind pipe plate processing technical field, including rack, the top of the rack is fixed with support plate, the top of the support plate is fixed with mounting bracket, the inner wall of the mounting bracket is rotatably connected with rotating rod, and one end of the rotating rod is installed with unwinding roller, the utility model has beneficial effect for: rack is as basic support structure, and it provides stable mounting platform for entire device, support plate is fixed in the top of rack, and mounting bracket and rotating rod, unwinding roller and the like components are installed on it, so that the unwinding operation of core plate can be orderly carried out, core plate is wound on unwinding roller, subsequent processing procedure is facilitated, the setting of three groups of first limiting roller can play good guiding and limiting effect to core plate, ensure that core plate keeps stable path during conveying process, avoid the situation of deviation, provide good prerequisite for subsequent gluing and composite procedure.

Description

Technical Field

[0001] This utility model relates to the field of duct panel processing technology, and in particular to a roller-type adhesive coating device for duct panel composite. Background Technology

[0002] Duct panels are sheet materials used to make ducts. Ducts are a general term for pipes that transport air and air mixtures. Duct panels are made of various materials, including thin steel plates, aluminum plates, rigid PVC plates, fiberglass, and other composite materials. Different materials have different characteristics. For example, phenolic duct panels have advantages such as heat resistance, corrosion resistance, high tensile strength, and wear resistance. They are also lightweight, easy to install, and have good insulation properties. Galvanized thin steel plate ducts are suitable for general gas transportation with low moisture content, but they are prone to rust and have no heat insulation or sound absorption functions. Inorganic fiberglass ducts are non-combustible and corrosion-resistant, but they are relatively brittle and easily deformed.

[0003] In the manufacturing of duct panels, the lamination process is a crucial step, and the quality of the adhesive application process directly affects the quality and performance of the duct panels. However, existing adhesive application equipment is usually simple in structure and lacks effective limiting and adjustment mechanisms. During the core panel conveying process, due to the lack of a reasonable layout of limiting rollers, the core panel is prone to displacement and twisting, resulting in inaccurate adhesive application position, affecting the subsequent lamination effect, and causing problems such as localized poor adhesion and flatness of the duct panels, thus reducing the product qualification rate. Moreover, the position of the limiting rollers in existing adhesive application equipment is usually fixed, which means that the equipment cannot adjust the position of the limiting rollers according to the actual situation when dealing with core panels of different specifications and materials. Therefore, it is impossible to ensure that all types of core panels can obtain the best rolling effect, which limits the flexibility and diversity of production. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A roller-type adhesive applicator for duct panel composite includes a frame, a support plate fixed to the top of the frame, a mounting frame fixed to the top of the support plate, a rotating rod rotatably connected to the inner wall of the mounting frame, an unwinding roller mounted at one end of the rotating rod, and a core board wound around the outer side of the unwinding roller.

[0007] Three sets of first limiting rollers are fixed to the top of the support plate, a fixed frame is fixed to the outside of the frame, a pressure roller is rotatably connected to the inner wall of the fixed frame, and an adjustment component is provided on the outside of the fixed frame.

[0008] The adjustment assembly includes a movable plate disposed on the outside of the fixed frame. A second limiting roller is rotatably connected to one side of the movable plate. A pull rod is fixed to the outside of the movable plate. Sliding grooves are provided on the inner walls of both the movable plate and the pull rod. A first fixing bolt is provided on one side of both the fixed frame and the pull rod, and the outer side of the first fixing bolt is slidably connected to the inner wall of the sliding groove.

[0009] As a preferred embodiment of the roller-type adhesive applicator for duct panel composite of the present invention, wherein: a fixing plate is fixed on the outer side of the fixing frame, and a vertically arranged threaded rod is threadedly connected to the inner wall of the fixing plate, and the top end of the threaded rod is rotatably connected to the inner wall of the fixing frame.

[0010] As a preferred embodiment of the roller-type adhesive applicator for duct panel composite of the present invention, the bottom end of the threaded rod is fixed with a turntable, the top of the fixed plate is provided with a push block for pushing the pull rod, and the inner wall of the push block is threadedly connected to the outer side of the threaded rod.

[0011] As a preferred embodiment of the roller-type adhesive applicator for duct panel composite of the present invention, the top of the frame is fixed with a support, the top of the support is provided with an adhesive applicator tube, and the inner wall of the adhesive applicator tube is connected to several sets of nozzles.

[0012] As a preferred embodiment of the roller-type adhesive applicator for duct panel composite of the present invention, wherein: a limiting frame is fixed on the outer side of the bracket, and a vertically arranged cylinder is installed on the top of the limiting frame.

[0013] As a preferred embodiment of the roller-type adhesive applicator for duct panel composite of the present invention, the inner wall of the limiting frame is provided with a slide rail, the outer side of the slide rail is slidably connected with a slider, one side of the slider is fixed with a push plate, and the inner wall of the push plate is threaded with a second fixing bolt for fixing the cylinder piston rod.

[0014] As a preferred embodiment of the roller-type adhesive applicator for duct panel composite of the present invention, wherein: a mounting plate is fixed on one side of the push plate, and a scraper is installed on the bottom of the mounting plate.

[0015] In summary, this utility model has the following beneficial effects:

[0016] 1. The frame serves as the basic support structure, providing a stable installation platform for the entire device. The support plate is fixed to the top of the frame, and the mounting bracket, rotating rod, unwinding roller, and other components installed on it ensure that the unwinding operation of the core board is carried out in an orderly manner. The core board is wound on the unwinding roller, which facilitates subsequent processing. The three sets of first limit rollers can play a good guiding and limiting role for the core board, ensuring that the core board maintains a stable path during the conveying process and avoiding deviation. This provides good preconditions for subsequent gluing and laminating processes.

[0017] 2. The pressure roller, mounted on the outside of the frame via a fixed bracket, is a key component for achieving the rolling function of this device. The design of the adjustment assembly is a major highlight. The grooves on the movable plate and tie rod, along with the first fixing bolt that works in conjunction with the fixed bracket and tie rod, allow the movable plate to flexibly adjust the vertical position of the second limit roller. In actual production, core boards of different specifications and materials may have different requirements for limiting and rolling. Through the adjustment assembly, operators can easily change the position of the second limit roller according to specific needs, thereby precisely controlling the contact pressure and angle between the core board and the pressure roller to ensure optimal rolling effect. This adjustability greatly improves the versatility and adaptability of the device, meeting diverse production needs. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is an overall structural diagram of a roller-type adhesive applicator for duct panel composite applications.

[0020] Figure 2 This is a frame structure diagram of a roller-type adhesive applicator for duct panel composite.

[0021] Figure 3 This is a structural diagram of the pressure roller of a roller-type adhesive applicator for duct panel composite.

[0022] Figure 4 This is a structural diagram of the limiting frame for a roller-type adhesive applicator used in duct panel composite applications.

[0023] Figure 5 for Figure 3 The enlarged structural diagram at point A is shown.

[0024] The following are the labels in the diagram: 1. Frame; 2. Support plate; 3. Mounting frame; 4. Rotating rod; 5. Unwinding roller; 6. Core plate; 7. First limiting roller; 8. Fixing frame; 9. Pressure roller; 10. Adjusting assembly; 101. Movable plate; 102. Second limiting roller; 103. Pull rod; 104. Slide groove; 105. First fixing bolt; 11. Fixing plate; 12. Threaded rod; 13. Turntable; 14. Push block; 15. Bracket; 16. Glue application tube; 17. Nozzle; 18. Limiting frame; 19. Cylinder; 20. Slide rail; 21. Slider; 22. Push plate; 23. Second fixing bolt; 24. Mounting plate; 25. Glue scraper. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0028] Example 1:

[0029] Reference Figures 1-5 This is the first embodiment of the present utility model. This embodiment provides a roller-type adhesive applicator for duct panel composite, including a frame 1, a support plate 2 fixed on the top of the frame 1, a mounting frame 3 fixed on the top of the support plate 2, a rotating rod 4 rotatably connected to the inner wall of the mounting frame 3, a unwinding roller 5 installed at one end of the rotating rod 4, and a core board 6 wound around the outer side of the unwinding roller 5.

[0030] The frame 1 serves as the supporting framework for the entire device, providing a foundation for the installation of other components, ensuring the stability and rigidity of the overall structure, and guaranteeing that each component maintains a relatively fixed position during operation. The support plate 2 is fixed to the top of the frame 1, primarily serving a connecting and supporting function, providing an installation platform for the mounting frame 3 and the components mounted on it, while also transferring the weight of related components to the frame 1. The mounting frame 3 is fixed to the top of the support plate 2, used to install and support the rotating rod 4, allowing the rotating rod 4 to rotate stably on its inner wall, thereby driving the unwinding roller 5 to achieve the unwinding operation of the core board 6. The rotating rod 4 is installed on the inner wall of the mounting frame 3, and its rotation drives the unwinding roller 5 to rotate, achieving smooth unwinding of the core board 6. To provide continuous core board material 6 for subsequent processing, the unwinding roller 5 is installed at one end of the rotating rod 4, with the core board 6 wound on its outer side. It is the storage and unwinding component for the core board 6. The core board 6 is gradually released by the rotation of the rotating rod 4 to meet the device's requirements for the core board 6. It should be noted that the rotating rod 4 and the unwinding roller 5 are connected by a connecting flange. Therefore, the unwinding roller 5 can be installed or removed by tightening the bolts on the connecting flange, so that the core board 6 wound on the surface of the unwinding roller 5 can be replaced. The core board 6 is wound on the outside of the unwinding roller 5 and is one of the main substrates for the duct panel composite. It is gradually released during the operation of the device and, after subsequent limiting, gluing and other processes, is combined with other materials to form the duct panel.

[0031] Three sets of first limit rollers 7 are fixed on the top of the support plate 2, a fixed frame 8 is fixed on the outside of the frame 1, a pressure roller 9 is rotatably connected to the inner wall of the fixed frame 8, and an adjustment component 10 is provided on the outside of the fixed frame 8.

[0032] The first limiting roller 7 is fixed on the top of the support plate 2, and there are three sets in total. It is used to limit and guide the core plate 6, ensuring that the core plate 6 maintains the correct position and movement trajectory during unwinding and conveying, preventing the core plate 6 from deviating, wrinkling or interfering with other components, and ensuring the stability and accuracy of the conveying of the core plate 6. The fixing frame 8 is fixed on the outside of the frame 1, providing the mounting base for components such as pressure roller 9, adjusting assembly 10, fixing plate 11, threaded rod 12, and push block 14, so that these components can be installed in an orderly manner on the device to realize their respective functions. The pressure roller 9 is rotatably connected to the inner wall of the fixing frame 8 and contacts the core plate 6. By applying a certain pressure, the core plate 6 is kept flat during the conveying process, and at the same time, it helps to evenly distribute the glue in the subsequent glue coating process, improving the glue coating quality and the composite effect.

[0033] The adjustment assembly 10 includes a movable plate 101 disposed on the outside of the fixed frame 8. A second limiting roller 102 is rotatably connected to one side of the movable plate 101. A pull rod 103 is fixed to the outside of the movable plate 101. Slide grooves 104 are provided on the inner walls of both the movable plate 101 and the pull rod 103. A first fixing bolt 105 is provided on one side of both the fixed frame 8 and the pull rod 103. The outer side of the first fixing bolt 105 is slidably connected to the inner wall of the slide groove 104.

[0034] A second limiting roller 102 is rotatably connected to one side of the movable plate 101. This roller can move up and down outside the fixed frame 8, adjusting its position to change the limiting and guiding effect on the core plate 6. This adapts to the conveying requirements of core plates 6 of different specifications. The second limiting roller 102 is rotatably connected to one side of the movable plate 101, working in conjunction with the first limiting roller 7 to further limit and guide the core plate 6, ensuring its stability during conveying and guaranteeing its accurate entry into subsequent processes. The pull rod 103 is fixed to the movable plate 101. The outer side of the movable plate 101 and the inner wall of the movable plate 101 are both provided with sliding grooves 104 to guide the movement of the movable plate 101. At the same time, they cooperate with the first fixing bolt 105 to fix the movable plate 101. The first fixing bolt 105 is located on one side of the fixed frame 8 and the tie rod 103, and its outer side is slidably connected to the inner wall of the sliding groove 104. When the movable plate 101 moves to a suitable position, the movable plate 101 is fixed in the current position by tightening the first fixing bolt 105 to prevent the movable plate 101 from moving during the operation of the device.

[0035] Example 2:

[0036] This is the second embodiment of the present invention, which is based on the previous embodiment.

[0037] Specifically, a fixing plate 11 is fixed to the outer side of the fixing frame 8, and a vertically arranged threaded rod 12 is threadedly connected to the inner wall of the fixing plate 11, and the top end of the threaded rod 12 is rotatably connected to the inner wall of the fixing frame 8.

[0038] The fixing plate 11 is fixed to the outside of the fixing frame 8, and the inner wall is threaded with a vertically arranged threaded rod 12, which provides an installation position for the threaded rod 12 and plays the role of supporting and fixing the threaded rod 12, so that the threaded rod 12 can rotate stably. The threaded rod 12 is vertically arranged, with its top end rotatably connected to the inner wall of the fixing frame 8 and its bottom end fixed with a turntable 13, which is threadedly connected to the inner wall of the push block 14. By rotating the turntable 13, the threaded rod 12 is driven to rotate, thereby causing the push block 14 to move up and down on the threaded rod 12, so as to adjust the position of the movable plate 101 in the adjustment assembly 10.

[0039] Specifically, a turntable 13 is fixed to the bottom end of the threaded rod 12, and a push block 14 for pushing the pull rod 103 is provided on the top of the fixing plate 11, and the inner wall of the push block 14 is threadedly connected to the outer side of the threaded rod 12.

[0040] The turntable 13 is fixed to the bottom of the threaded rod 12, which makes it convenient for the operator to rotate the threaded rod 12 to control the up and down movement of the push block 14. The operation is simple and convenient. The push block 14 is set on the top of the fixed plate 11, and its inner wall is threaded to the outer side of the threaded rod 12. It is used to push the pull rod 103, thereby driving the movable plate 101 and the second limit roller 102 to move up and down, so as to achieve precise adjustment of the position of the second limit roller 102.

[0041] Example 3:

[0042] This is the third embodiment of the present invention, which is based on the first two embodiments.

[0043] Specifically, a bracket 15 is fixed to the top of the frame 1, and a glue-applying tube 16 is installed on the top of the bracket 15. Several sets of spray nozzles 17 are connected to the inner wall of the glue-applying tube 16.

[0044] The bracket 15 is fixed to the top of the frame 1, providing an installation platform for components such as the glue application tube 16 and the limiting bracket 18, so that these components can be stably installed on the device to realize functions such as glue application and scraping. The glue application tube 16 is set on the top of the bracket 15, and its inner wall is connected to several sets of nozzles 17 for storing glue. The glue is evenly sprayed onto the surface of the core board 6 through the nozzles 17 to realize the glue application operation. The nozzles 17 are connected to the inner wall of the glue application tube 16. Through the special design of the nozzles 17, the glue can be evenly sprayed onto the surface of the core board 6 in the form of mist or line, ensuring the uniformity and coverage of the glue application.

[0045] Specifically, a limit frame 18 is fixed to the outside of the bracket 15, and a vertically arranged cylinder 19 is installed on the top of the limit frame 18.

[0046] The limiting frame 18 is fixed to the outside of the bracket 15, providing a mounting base for components such as the cylinder 19 and the slide rail 20, so that these components can be installed on the device in an orderly manner, realizing the lifting and position adjustment functions of the scraper 25. The cylinder 19 is vertically installed on the top of the limiting frame 18, and drives the push plate 22, the mounting plate 24 and the scraper 25 to move up and down through the extension and retraction of the piston rod, so as to adjust the height of the scraper 25 to meet the needs of different coating thicknesses and scraping effects.

[0047] Specifically, the inner wall of the limit frame 18 is provided with a slide rail 20, the outer side of the slide rail 20 is slidably connected with a slider 21, a push plate 22 is fixed on one side of the slider 21, and the inner wall of the push plate 22 is threaded with a second fixing bolt 23 for fixing the piston rod of the cylinder 19.

[0048] The slide rail 20 is installed on the inner wall of the limit frame 18 to guide the sliding of the slider 21, enabling the slider 21 to move stably up and down along the slide rail 20. This, in turn, drives the push plate 22, the mounting plate 24, and the scraper 25 to rise and fall smoothly. The slider 21 is slidably connected to the outside of the slide rail 20, and the push plate 22 is fixed on one side. Under the push of the piston rod of the cylinder 19, the slider 21 moves up and down along the slide rail 20, realizing the rise and fall of the push plate 22, the mounting plate 24, and the scraper 25. The push plate 22 is fixed to one side of the slider 21, and the inner wall is threaded with a second fixing bolt 23 for fixing the piston rod of the cylinder 19. The piston rod of the cylinder 19 is fixedly connected to the push plate 22 by the second fixing bolt 23, so that the cylinder 19 can drive the push plate 22 to move up and down. The second fixing bolt 23 is threaded. The inner wall of the push plate 22 is used to fix the piston rod of the cylinder 19, ensuring a firm connection between the piston rod of the cylinder 19 and the push plate 22, and reliably transmitting power. It should be noted that the cylinder 19 is composed of an air compressor, an air tank, a filter pressure reducing valve, a directional control valve, and a flow control valve. During use, the air compressor compresses the ambient air to a set pressure and stores it in the air tank. The filter pressure reducing valve further purifies the air and stabilizes the pressure, and delivers it to the control valve through an air pipe. The directional control valve switches the airflow channel according to the electrical signal to determine the extension and retraction direction of the cylinder 19. The flow control valve adjusts the airflow speed and controls the movement speed of the cylinder 19. Compressed air enters the rodless chamber or rodless chamber of the cylinder 19, pushing the piston to move. The piston drives the piston rod to output linear reciprocating motion.

[0049] Specifically, a mounting plate 24 is fixed to one side of the push plate 22, and a scraper plate 25 is installed at the bottom of the mounting plate 24.

[0050] Mounting plate 24 is fixed to the outside of push plate 22, providing an installation position for scraper 25, so that scraper 25 can be stably installed on the device to achieve the scraping operation of glue on the surface of core board 6. Scraper 25 is installed at the bottom of mounting plate 24 to scrape the glue on the surface of core board 6, so that the glue is more evenly distributed, improves the glue coating quality, and ensures the effect of duct board composite.

[0051] When applying adhesive to the duct plate and unwinding the core plate 6, the unwinding roller 5, on which the core plate 6 is wound, is first mounted on the rotating rod 4 via a connecting flange. Since the rotating rod 4 rotates within the mounting frame 3, it drives the unwinding roller 5 to rotate, releasing the core plate 6. After the core plate 6 is released, three sets of first limiting rollers 7 initially limit and guide the core plate 6, ensuring its correct position and stable trajectory during transport, preventing deviation or wrinkling. During transport, the pressure roller 9 is rotatably connected to... The inner wall of the fixing frame 8 contacts the core plate 6 and applies a certain pressure to keep the core plate 6 flat, which also helps to evenly distribute the glue in the subsequent glue application process. When it is necessary to adjust the position of the second limiting roller 102, the turntable 13 is rotated, which drives the threaded rod 12 to rotate on the inner wall of the fixing plate 11. Since the inner wall of the push block 14 is threadedly connected to the outer side of the threaded rod 12, the rotation of the threaded rod 12 will cause the push block 14 to move up and down. The push block 14 pushes the pull rod 103, and the pull rod 103 drives the movable plate 101 and the second limiting roller 102. The movable plate 101 moves up and down, and slides on the groove 104 on the inner wall of the pull rod 103 outside the first fixing bolt 105, which serves as a guide. After adjusting to the appropriate position, the first fixing bolt 105 is tightened to fix the movable plate 101, thereby achieving precise adjustment of the position of the second limit roller 102 and further ensuring the stability of the core plate 6 conveying. During glue application, the tank containing glue is connected to the glue application pipe 16, and the glue is evenly sprayed onto the surface of the core plate 6 through several sets of nozzles 17. After that, the air... The piston rod of cylinder 19 extends and retracts, causing push plate 22 to slide up and down on slide rail 20 on inner wall of limit frame 18 via slider 21. This causes mounting plate 24 and scraper 25 to move up and down, thus adjusting the height of scraper 25. After scraper 25 is adjusted to a suitable height, second fixing bolt 23 is used to fix piston rod of cylinder 19 to push plate 22. Scraper 25 scrapes the glue on the surface of core board 6 to make the glue distribution more uniform, improve the glue coating quality, and ensure the effect of duct panel composite.

[0052] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A rolling type glue applying device for air duct board composite, comprising a frame (1), characterized in that: The top of the frame (1) is fixed with a support plate (2), the top of the support plate (2) is fixed with a mounting frame (3), the inner wall of the mounting frame (3) is rotatably connected with a rotating rod (4), one end of the rotating rod (4) is equipped with an unwinding roller (5), and the outer side of the unwinding roller (5) is wound with a core plate (6). The top of the support plate (2) is fixed with three sets of first limiting rollers (7), the outside of the frame (1) is fixed with a fixing frame (8), the inner wall of the fixing frame (8) is rotatably connected with a pressure roller (9), and the outside of the fixing frame (8) is provided with an adjustment component (10). The adjustment assembly (10) includes a movable plate (101) disposed on the outside of the fixed frame (8). A second limiting roller (102) is rotatably connected to one side of the movable plate (101). A pull rod (103) is fixed to the outside of the movable plate (101). A sliding groove (104) is provided on the inner wall of both the movable plate (101) and the pull rod (103). A first fixing bolt (105) is provided on one side of both the fixed frame (8) and the pull rod (103), and the outer side of the first fixing bolt (105) is slidably connected to the inner wall of the sliding groove (104).

2. The roller-type adhesive applicator for duct panel composite as described in claim 1, characterized in that: A fixing plate (11) is fixed on the outside of the fixing frame (8). A vertically arranged threaded rod (12) is threadedly connected to the inner wall of the fixing plate (11), and the top end of the threaded rod (12) is rotatably connected to the inner wall of the fixing frame (8).

3. The roller-type adhesive applicator for duct panel composite as described in claim 2, characterized in that: The bottom end of the threaded rod (12) is fixed with a turntable (13), and the top of the fixed plate (11) is provided with a push block (14) for pushing the pull rod (103), and the inner wall of the push block (14) is threadedly connected to the outer side of the threaded rod (12).

4. The roller-type adhesive applicator for duct panel composite as described in claim 1, characterized in that: The top of the frame (1) is fixed with a bracket (15), and the top of the bracket (15) is provided with a glue-applying tube (16). The inner wall of the glue-applying tube (16) is connected to several sets of nozzles (17).

5. The roller-type adhesive applicator for duct panel composite as described in claim 4, characterized in that: A limit frame (18) is fixed to the outside of the bracket (15), and a vertically arranged cylinder (19) is installed on the top of the limit frame (18).

6. The roller-type adhesive applicator for duct panel composite as described in claim 5, characterized in that: The inner wall of the limiting frame (18) is provided with a slide rail (20), and a slider (21) is slidably connected to the outer side of the slide rail (20). A push plate (22) is fixed on one side of the slider (21), and a second fixing bolt (23) for fixing the piston rod of the cylinder (19) is threadedly connected to the inner wall of the push plate (22).

7. The roller-type adhesive applicator for duct panel composite as described in claim 6, characterized in that: A mounting plate (24) is fixed to one side of the push plate (22), and a scraper plate (25) is installed at the bottom of the mounting plate (24).

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