Gluing and coating equipment for manufacturing fire hose

By coordinating the movement of the transmission rod, guide rod, and rotating plate, and using a scraper cleaning system, the problems of glue uniformity and cleanliness in the fire hose coating device are solved, achieving uniform performance of the fire hose and self-cleaning of the equipment, thereby improving production efficiency and equipment lifespan.

CN224237351UActive Publication Date: 2026-05-15FUJIAN MINSHAN FIRE HOSE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN MINSHAN FIRE HOSE CO LTD
Filing Date
2025-06-11
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The existing fire hose manufacturing equipment has poor uniformity in applying adhesive, resulting in performance differences in different parts. In some areas, the adhesive is too thin or too thick, affecting sealing, wear resistance, and flexibility. At the same time, the adhesive is prone to adhering to the equipment surface, corroding the equipment and requiring frequent cleaning, which reduces work efficiency.

Method used

The coordinated movement of the transmission rod, guide rod, and rotating plate enables the nozzle to swing and spray, which, combined with the scraper to clean up the dripping glue, forms an automated cleaning system. This ensures that the glue is evenly applied and collects the dripping glue, avoiding equipment corrosion and manual cleaning.

Benefits of technology

This method achieves uniform adhesive layer thickness across all parts of the fire hose, improving performance stability and production efficiency, reducing maintenance costs, and preventing adhesive waste and equipment corrosion.

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Abstract

The utility model discloses gluing and coating equipment for manufacturing fire hoses, which belongs to the technical field of gluing and coating equipment and comprises a base and a support arranged at the top of the base, a U-shaped frame is fixedly connected above the outer wall of one side of the support, a deflection rod is rotatably connected onto the U-shaped frame, a transmission rod is fixedly connected onto the deflection rod, and the transmission rod is fixedly connected onto the transmission rod. A first motor is fixedly connected to the top of the U-shaped frame, a rotating rod is fixed to the output end of the first motor, a rotating plate is fixedly connected to the bottom of the rotating rod, the left end of the rotating plate is movably connected with the guide rod, a deflection plate is fixedly connected to the left end of a deflection rod, and a spray head is fixedly connected to the bottom of the deflection plate. According to the gluing and coating equipment for manufacturing the fire hose, through the synergistic effect of a transmission rod, a guide rod and a rotating plate, a deflection rod drives a spray head to swing and spray, the problem that an existing device is poor in gluing uniformity is solved, and the situation that the fire hose is poor in performance due to the uneven thickness of a glue layer is avoided.
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Description

Technical Field

[0001] This utility model relates to the technical field of adhesive coating equipment, specifically an adhesive coating equipment for the manufacture of fire hoses. Background Technology

[0002] Fire hoses, acting as the "blood vessels" of the fire rescue system, bear the crucial responsibility of delivering life-saving water. Their main body is woven from high-strength polyester filaments and treated with double-sided rubber coating, giving them a double-protective armor-like appearance. They withstand pressures of 1.0-2.5 MPa and resist high temperatures and chemical corrosion, ensuring continuous and stable water delivery even in 800℃ fires. Available in various sizes, from lightweight 2.5-inch hoses to heavy-duty 6-inch hoses, and from 10-meter short hoses to 40-meter extra-long hoses, different specifications can be combined to form a 100-meter water delivery network, suitable for diverse scenarios such as buildings and forests. The quick-release buckle design at the joints allows firefighters to connect the hoses in just 3 seconds with one hand. Combined with multi-functional water guns that can adjust atomization and direct current modes, they can accurately extinguish electrical fires and create a water curtain to isolate heat waves, making them indispensable equipment in fire rescue operations.

[0003] For example, patent CN221677800U discloses a glove coating device, including a base box and a frame fixedly installed on the base box. A coating box is fixedly installed inside the frame, and a lifting motor is fixedly installed on the top of the frame. The output end of the lifting motor extends through the frame and is fixedly installed with a glove holder. Multiple clamps for holding the gloves are fixedly installed at the bottom of the glove holder. However, existing devices suffer from poor uniformity in adhesive application, leading to performance differences in different parts of the fire hose. If the adhesive is too thin in some areas, the sealing and abrasion resistance are insufficient; if the adhesive is too thick in others, it not only wastes adhesive but also reduces the hose's flexibility, affecting its use. Furthermore, during the coating process, the adhesive easily adheres to the surface of the workbench, corroding the equipment's surface coating and potentially seeping into the equipment's interior, requiring frequent manual cleaning and removal, resulting in high workload and reduced work efficiency.

[0004] Therefore, in order to solve such problems, we propose an adhesive coating device for the manufacture of fire hoses. Utility Model Content

[0005] The purpose of this invention is to provide an adhesive coating device for the manufacture of fire hoses, in order to solve the problems mentioned in the background art. These problems include poor uniformity of adhesive application, leading to performance differences in different parts of the fire hose; insufficient sealing and wear resistance in some areas when the adhesive is too thin, and wasteful application of adhesive in others, which reduces the hose's flexibility and affects its use. Furthermore, during the coating process, the adhesive tends to adhere to the workbench surface, corroding the equipment's surface coating and potentially seeping into the equipment's interior, requiring frequent manual cleaning and resulting in high workload and reduced efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a coating equipment for fire hose manufacturing, comprising a base and a bracket set on the top of the base, a U-shaped frame fixedly connected to the upper part of one side of the bracket, a deflection rod rotatably connected to the U-shaped frame, a transmission rod fixedly connected to the deflection rod, a guide rod movably sleeved on the transmission rod, a first motor fixedly connected to the top of the U-shaped frame, a rotating rod fixedly connected to the output end of the first motor, a rotating plate fixedly connected to the bottom of the rotating rod, the left end of the rotating plate movably connected to the guide rod, a deflection plate fixedly connected to the left end of the deflection rod, and a nozzle fixedly connected to the bottom of the deflection plate.

[0007] Furthermore, a first sliding groove is provided on one side of the top of the base, and a second motor is fixedly connected to the rear of the left outer wall of the base. A first lead screw is fixedly connected to the output end of the second motor, and a first slider adapted to the first sliding groove is threaded onto the first lead screw. The top of the first slider is fixedly connected to the bottom of the bracket.

[0008] Furthermore, an L-shaped block is fixedly connected to the lower part of the rear outer wall of the bracket, and a limiting groove is opened on one side of the first sliding groove at the top of the base, and the limiting groove is adapted to the bottom of the L-shaped block. A sliding rod is fixedly connected in the limiting groove, and the sliding rod is movably connected to the L-shaped block.

[0009] Furthermore, a right fixing member is fixedly connected to the right edge of the top of the base, a rotating shaft is rotatably connected to the right fixing member, and an installation roller is fixedly connected to the rotating shaft.

[0010] Furthermore, a second sliding groove is provided on the left side of the central axis of the top surface of the base, a third motor is fixedly connected to the outer wall of the left side of the base, a second lead screw is fixedly connected to the output end of the third motor, a second slider adapted to the second sliding groove is threaded onto the second lead screw, and a left fixing member is fixedly connected to the top of the second slider.

[0011] Furthermore, a second sliding groove is provided on the left side of the central axis of the top surface of the base, a third motor is fixedly connected to the outer wall of the left side of the base, a second lead screw is fixedly connected to the output end of the third motor, a second slider adapted to the second sliding groove is threaded onto the second lead screw, and a left fixing member is fixedly connected to the top of the second slider.

[0012] Furthermore, a fixing column is fixedly connected to the outer wall in front of the bracket. A locking groove is provided at the bottom of the fixing column, and a scraper is locked in the locking groove. The bottom of the scraper abuts against the top of the base. Collection grooves are provided on both sides of the top of the base. A storage box is fixedly connected to the middle of the bottom surface of the base. A pump body is fixedly connected to the outer wall behind the storage box. A hose is fixedly connected to the pump body, and the hose passes through the deflection plate and extends into the nozzle.

[0013] Compared with the prior art, the beneficial effects of this utility model are: a coating equipment for manufacturing fire hoses, which adopts a novel structural design, the specific details of which are as follows:

[0014] (1) The adhesive coating equipment used for fire hose manufacturing can drive the deflection rod to reciprocate around the U-shaped frame through the coordinated movement of the transmission rod, guide rod and rotating plate, so that the nozzle fixed to the left end of the deflection rod can synchronously complete the swing spraying action. Through the precise control of mechanical transmission, the single vertical spraying mode is changed, so that the glue is evenly attached to the surface of the fire hose in a fan-shaped coverage manner, which solves the problem of performance difference caused by uneven glue thickness: it can avoid the hidden dangers such as sealing performance failure and insufficient wear resistance caused by local glue layer being too thin, and it can also prevent the drawbacks such as reduced hose flexibility and material waste caused by excessive glue layer, ensuring that the glue layer thickness of each part of the fire hose is uniform, fundamentally improving the stability and reliability of the overall performance of the hose.

[0015] (2) The adhesive coating equipment for fire hose manufacturing utilizes a scraper that engages at the bottom of a fixed column. As the equipment moves laterally along the first slide groove driven by a second motor, the bottom of the scraper comes into close contact with the surface of the base, simultaneously and efficiently removing residual adhesive dripping during the spraying operation. Through the linear movement of the scraper, the adhesive is directed to the collection tanks on both sides of the top of the base, forming an orderly cleaning path. The adhesive in the collection tank flows into the storage tank through the internal channel of the base. The pump body behind the storage tank forms a circulation system through a hose, which re-transports the recovered adhesive back into the nozzle to participate in the coating operation. This avoids the risk of adhesive adhering to and corroding the surface coating of the equipment or seeping into the internal structure for a long time. Furthermore, the automated cleaning mechanism significantly reduces the frequency of manual cleaning, transforming the tedious maintenance process that traditionally relied on manual removal into a self-cleaning mode, greatly improving production efficiency and reducing operation and maintenance costs.

[0016] Furthermore, the second motor drives the first lead screw, which in turn moves the bracket laterally along the first slide groove to achieve precise adjustment of the coating position. The third motor drives the second lead screw to adjust the position of the left fixing part. Together with the installation roller on the right fixing part, it can adapt to the installation and coating requirements of fire hoses of different specifications. The sliding cooperation between the limiting groove and the L-shaped block enhances the stability of the bracket when it moves. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0019] Figure 3 This is a three-dimensional schematic diagram of the adjustment component of this utility model;

[0020] Figure 4 Explosion diagram of the adjustment component of this utility model Figure 1 ;

[0021] Figure 5 Explosion diagram of the adjustment component of this utility model Figure 2 ;

[0022] Figure 6 This is a three-dimensional schematic diagram of the mounting components of this utility model;

[0023] Figure 7 This is an exploded view of the cleaning component of this utility model.

[0024] In the diagram: 1. Base; 11. Bracket; 12. U-shaped frame; 13. Deflection rod; 131. Transmission rod; 132. Guide rod; 14. Rotating plate; 15. Deflection plate; 16. Nozzle; 17. L-shaped block; 2. Right fixing component; 21. Mounting roller; 22. Left fixing component; 3. Fixing column; 31. Scraper; 4. Storage box. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model provides the following technical solution: an adhesive coating device for manufacturing fire hoses.

[0027] Example 1: A glue coating device for fire hose manufacturing. Through the coordinated action of components such as the transmission rod 131, guide rod 132, and rotating plate 14, the deflection rod 13 is deflected, causing the nozzle 16 to swing and spray under the action of the deflection rod 13. This prevents poor uniformity of the glue coating, which could lead to performance differences in different parts of the fire hose and affect its use. Figure 1 - Figure 6 As shown, a coating equipment for fire hose manufacturing includes a base 1 and a bracket 11 mounted on top of the base 1. A U-shaped frame 12 is fixedly connected to the upper part of one outer wall of the bracket 11. A deflection rod 13 is rotatably connected to the U-shaped frame 12. A transmission rod 131 is fixedly connected to the deflection rod 13. A guide rod 132 is movably sleeved on the transmission rod 131. A first motor is fixedly connected to the top of the U-shaped frame 12. A rotating rod is fixedly connected to the output end of the first motor. A rotating plate 14 is fixedly connected to the bottom of the rotating rod. The left end of the rotating plate 14 is movably connected to the guide rod 132. A deflection rod 132 is fixedly connected to the left end of the deflection rod 13. A nozzle 16 is fixedly connected to the bottom of a plate 15 and a deflection plate 15. A first sliding groove is provided on one side of the top of the base 1. A second motor is fixedly connected to the rear of the left outer wall of the base 1. A first lead screw is fixedly connected to the output end of the second motor. A first slider that matches the first sliding groove is threaded onto the first lead screw. The top of the first slider is fixedly connected to the bottom of the bracket 11. An L-shaped block 17 is fixedly connected to the lower part of the rear outer wall of the bracket 11. A limiting groove is provided on one side of the first sliding groove on the top of the base 1, and the limiting groove matches the bottom of the L-shaped block 17. A sliding rod is fixedly connected in the limiting groove, and the sliding rod is movably connected to the L-shaped block 17.

[0028] After the first motor starts, the rotating rod at its output end drives the rotating plate 14 to rotate at a constant speed around the axis. The left end of the rotating plate 14 forms a crank-slider transmission structure with the transmission rod 131 through the guide rod 132. The guide rod 132 rotates with the rotating plate 14 to make circular motion, pushing the transmission rod 131 to slide back and forth on the deflection rod 13, thereby driving the deflection rod 13 to swing back and forth around the U-shaped frame 12. This motion is transmitted to the spray head 16 through the deflection plate 15 at the left end of the deflection rod 13, causing it to swing left and right with a fixed amplitude, realizing the fan-shaped atomization and coverage of the glue. Compared with the traditional vertical spraying mode, the coating uniformity is significantly improved. When the second motor drives the first lead screw to rotate clockwise or counterclockwise, the first lead screw thread engages with the first lead screw thread. The slider moves linearly along the first groove at the top of the base 1, and drives the entire coating assembly, including the U-shaped frame 12, deflection rod 13, and nozzle 16, to move along the length of the fire hose through the rigidly connected bracket 11. The installation roller 21 is horizontally installed on the right fixing member 2 through the rotating shaft, and its left end cooperates with the left fixing member 22 to form a tensioning support structure for the fire hose substrate. The left fixing member 22 is slidably connected to the second groove on the top surface of the base 1 through the bottom second slider. When the second motor drives the bracket 11 to move laterally, the active pulley is installed on the right end of the first lead screw, and drives the driven pulley to be fixed to the right end of the rotating shaft of the installation roller 21 through belt transmission, so that the installation roller 21 rotates synchronously at a speed matching the moving speed of the bracket 11.

[0029] Example 2: Unlike Example 1, by using components such as the fixed column 3 and the scraper 31, the spray head 16 moves horizontally during the spraying process while the scraper 31 removes the adhesive from the top of the base 1 until it is transported to the collection tanks on both sides of the top of the base 1 for collection. This prevents the adhesive from easily adhering to the surface of the workbench, which could corrode the surface coating of the equipment and may even seep into the equipment, requiring frequent manual cleaning and reducing work efficiency. Figure 7As shown, a right fixing member 2 is fixedly connected to the right edge of the top right side of the base 1. A rotating shaft is rotatably connected to the right fixing member 2, and an installation roller 21 is fixedly connected to the rotating shaft. A second sliding groove is opened on the left side of the central axis of the top surface of the base 1. A third motor is fixedly connected to the outer wall of the left side of the base 1. A second lead screw is fixedly connected to the output end of the third motor. A second slider adapted to the second sliding groove is threaded onto the second lead screw. A left fixing member 22 is fixedly connected to the top of the second slider. A second sliding groove is opened on the left side of the central axis of the top surface of the base 1. A third motor is fixedly connected to the outer wall of the left side of the base 1. The output end of the third motor is fixedly connected to the left side of the base 1. A second lead screw is connected to the second lead screw, and a second slider adapted to the second slide groove is threaded onto the second lead screw. A left fixing member 22 is fixedly connected to the top of the second slider. A fixing post 3 is fixedly connected to the outer wall in front of the bracket 11. A locking groove is opened at the bottom of the fixing post 3, and a scraper 31 is locked in the locking groove. The bottom of the scraper 31 abuts against the top of the base 1. Collection grooves are opened on both sides of the top of the base 1. A storage box 4 is fixedly connected to the middle of the bottom surface of the base 1. A pump body is fixedly connected to the outer wall behind the storage box 4. A hose is fixedly connected to the pump body, and the hose passes through the deflection plate 15 and extends into the nozzle 16.

[0030] When the bracket 11 moves laterally on the top of the base 1, the fixed column 3 fixed to the front outer wall of the bracket 11 moves synchronously. The scraper 31 engaged at the bottom of the column is always in close contact with the surface of the base 1, forming a dynamic cleaning interface. During the movement, the scraper 31 pushes the glue that drips onto the surface of the base 1 during the spraying operation to the collection tanks on both sides. Through the 45° angle design between the blade and the surface of the base 1, the glue is efficiently gathered and guided, avoiding glue accumulation and clumping or seeping into the equipment gaps. The glue in the collection tank flows into the storage tank 4 in the middle of the bottom surface of the base 1 through the pre-set guide channel inside the base 1. The pump body behind the storage tank 4 is connected to the nozzle 16 through a hose. When the pump body is started, the recycled glue in the storage tank 4 can be pressurized and transported to the inside of the nozzle 16 through the hose. After mixing with the fresh glue, it participates in the coating operation again, effectively reducing glue waste and keeping the equipment clean.

[0031] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coating equipment for manufacturing fire hoses, comprising a base (1) and a support (11) disposed on top of the base (1), characterized in that: A U-shaped frame (12) is fixedly connected to the upper part of one side of the bracket (11). A deflection rod (13) is rotatably connected to the U-shaped frame (12). A transmission rod (131) is fixedly connected to the deflection rod (13). A guide rod (132) is movably sleeved on the transmission rod (131). A first motor is fixedly connected to the top of the U-shaped frame (12). A rotating rod is fixedly connected to the output end of the first motor. A rotating plate (14) is fixedly connected to the bottom of the rotating rod. The left end of the rotating plate (14) is movably connected to the guide rod (132). A deflection plate (15) is fixedly connected to the left end of the deflection rod (13). A nozzle (16) is fixedly connected to the bottom of the deflection plate (15).

2. The adhesive coating equipment for manufacturing fire hoses according to claim 1, characterized in that: A first sliding groove is provided on one side of the top of the base (1). A second motor is fixedly connected to the rear of the left outer wall of the base (1). A first lead screw is fixedly connected to the output end of the second motor. A first slider adapted to the first sliding groove is threaded onto the first lead screw. The top of the first slider is fixedly connected to the bottom of the bracket (11).

3. The adhesive coating equipment for manufacturing fire hoses according to claim 1, characterized in that: An L-shaped block (17) is fixedly connected to the lower part of the outer wall behind the bracket (11). A limiting groove is opened on one side of the first sliding groove at the top of the base (1), and the limiting groove is adapted to the bottom of the L-shaped block (17). A sliding rod is fixedly connected in the limiting groove, and the sliding rod is movably connected to the L-shaped block (17).

4. The adhesive coating equipment for manufacturing fire hoses according to claim 1, characterized in that: A right fixing member (2) is fixedly connected to the right edge of the top right side of the base (1). A rotating shaft is rotatably connected to the right fixing member (2), and an installation roller (21) is fixedly connected to the rotating shaft.

5. The adhesive coating equipment for manufacturing fire hoses according to claim 1, characterized in that: The base (1) has a second sliding groove on the left side of the central axis of the top surface. A third motor is fixedly connected to the outer wall of the left side of the base (1). A second lead screw is fixedly connected to the output end of the third motor. A second slider that is adapted to the second sliding groove is threaded onto the second lead screw. A left fixing member (22) is fixedly connected to the top of the second slider.

6. The adhesive coating equipment for manufacturing fire hoses according to claim 1, characterized in that: The right end of the first lead screw in the first groove at the top of the base (1) is fixedly connected to the active pulley, and the right side of the rotating shaft on the mounting roller (21) is fixedly connected to the driven pulley. A belt is sleeved between the active pulley and the driven pulley.

7. The adhesive coating equipment for manufacturing fire hoses according to claim 1, characterized in that: A fixing column (3) is fixedly connected to the outer wall in front of the bracket (11). A locking groove is provided at the bottom of the fixing column (3). A scraper (31) is locked in the locking groove. The bottom of the scraper (31) abuts against the top of the base (1). Collection grooves are provided on both sides of the top of the base (1). A storage box (4) is fixedly connected to the middle of the bottom surface of the base (1). A pump body is fixedly connected to the outer wall behind the storage box (4). A hose is fixedly connected to the pump body. The hose passes through the deflection plate (15) and extends into the nozzle (16).