A forming device for fire hose rubber lining

Abstract

The utility model discloses a kind of forming devices of fire hose rubber lining, belong to fire hose technical field, including base, the upper surface of base is fixedly connected with extrusion forming assembly, and base left side upper end is fixedly connected with mixing component, and mixing component inner wall is fixedly connected with support frame, while rotatingly arranged in support frame inside is sliding shaft;The sliding shaft is rotatably arranged in the mixing component, and the surface of sliding shaft is fixedly connected with connecting plate.The forming device of fire hose rubber lining, by setting up auxiliary roller and fixed frame, can make that rubber inner molecule arrangement is more compact, to improve the compactness of rubber fire hose lining, enhance the pressure resistance of fire hose, not prone to leakage phenomenon when high-pressure water spraying operation, while avoid the weak point of fire hose local due to uneven thickness, greatly improve the pressure resistance and reliability of rubber lining in practical application.

Description

Technical Field

[0001] This utility model relates to the field of fire hose technology, specifically a molding device for a rubber liner of a fire hose. Background Technology

[0002] Fire hoses are key equipment in fire protection systems used to transport fire-fighting water or other fire-fighting media, and are widely used in fire suppression, emergency rescue, and industrial fire protection scenarios. The rubber liner of the fire hose is a core component, directly affecting its pressure resistance, sealing performance, flexibility, and service life. It is a crucial material for ensuring the efficient operation of the fire protection system in emergency situations. The rubber liner not only provides basic functional support but also offers multiple key benefits to the fire protection system through material properties and process optimization. However, the molding equipment for fire hose rubber liners is inconvenient to use because it is difficult to adjust the extrusion spacing of the fire hose and cannot quickly adjust the liner tubes of different thicknesses as needed, resulting in reduced equipment efficiency.

[0003] To overcome the above-mentioned defects, the prior art (Chinese patent application number 202420960663.7, application date 224-05-07) provides a fire hose liner forming device, which includes a base, a mixing tank disposed above the base, a stirring device disposed on the mixing tank, an extrusion device disposed below the mixing tank, and a cooling device disposed in front of the extrusion device. An extrusion forming mechanism is disposed on the front side of the extrusion device. When the extrusion spacing needs to be adjusted, the knob is grasped and rotated forward to rotate the screw. The screw drives two sliders to move closer to each other until the appropriate spacing is adjusted. After the fire hose is cooled by the cooling water tank, the two extrusion rollers extrude the fire hose, removing excess water and reducing its volume, resulting in good performance.

[0004] The squeezing action of the auxiliary roller helps to constrain and calibrate the outer diameter of the rubber liner, keeping it in a stable dimension. This is crucial for the tight fit between the fire hose and the outer material (such as the braided layer) and for the precise installation of connectors (such as joints). It can improve the overall assembly quality and enhance the structural stability and sealing performance of the fire hose. However, during use, the above-mentioned device cannot squeeze the rubber liner again after molding, which may result in the rubber molecules not being arranged tightly and orderly after extrusion. This leads to a relatively loose internal structure of the rubber liner, affecting the sealing performance and reliability of the product. Utility Model Content

[0005] The purpose of this invention is to provide a molding device for rubber liners of fire hoses, in order to solve the problem mentioned in the background art that the rubber liner cannot be squeezed again after molding, which may result in the rubber molecules not being arranged tightly and orderly after extrusion, resulting in a relatively loose internal structure of the rubber liner and affecting the sealing performance and reliability of the product.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a molding device for rubber lining of fire hoses, comprising a base, an extrusion molding component fixedly connected to the upper surface of the base, a mixing component fixedly connected to the upper left side of the base, a support frame fixedly connected to the inner wall of the mixing component, and a sliding shaft rotatably disposed inside the support frame; the sliding shaft rotatably disposed inside the mixing component, a connecting plate fixedly connected to the surface of the sliding shaft, and an agitating component fixedly connected to the surface of the connecting plate, the agitating component rotatably disposed inside the mixing component; a fixing frame fixedly connected to the end of the upper surface of the base away from the mixing component, the fixing frames being symmetrically distributed about the center of the base, a connecting shaft rotatably disposed inside the fixing frame, and an auxiliary roller fixedly connected to the surface of the connecting shaft.

[0007] Preferably, a motor is fixedly connected to the upper surface of the base away from the fixed frame, and a baffle is fixedly connected to the upper surface of the base, with a transmission shaft rotatably arranged inside the baffle.

[0008] Preferably, the output end of the motor is fixedly connected to a rotating shaft, and the rotating shaft is rotatably disposed inside the baffle, and a bevel gear is fixedly connected to the surface of the rotating shaft and the surface of the transmission shaft.

[0009] Preferably, both the surface of the connecting shaft and the surface of the transmission shaft are fitted with belts, the auxiliary roller is rotatably disposed on the right side of the extrusion molding assembly, and a connecting gear is fixedly connected to the surface of the connecting shaft, and the connecting shafts are symmetrically distributed about the center of the extrusion molding assembly.

[0010] Preferably, a connecting frame is fixedly connected to the outside of the mixing component, and the rotating shaft is rotatably arranged inside the connecting frame, and a fixed shaft is rotatably arranged inside the mixing component.

[0011] Preferably, both the rotating shaft surface and the fixed shaft surface are fitted with belts, and a first gear is fixedly connected to the fixed shaft surface, and the first gear is rotatably disposed inside the mixing assembly.

[0012] Preferably, a second gear is fixedly connected to the surface of the sliding shaft, and the second gear is rotatably disposed inside the mixing assembly. The second gear is meshed with the first gear, and the agitating components are distributed at equal angles inside the mixing assembly.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the molding device for the rubber liner of the fire hose adopts a novel structural design, the specific details of which are as follows:

[0014] (1) The molding device for the rubber lining of the fire hose, through the auxiliary roller and the fixed frame, can make the internal molecules of the rubber more compact, thereby improving the density of the rubber fire hose lining, enhancing the pressure resistance of the fire hose, making it less prone to leakage during high-pressure water spraying operations, and avoiding local weak points in the fire hose caused by uneven thickness, thus greatly improving the pressure resistance and reliability of the rubber lining in practical applications.

[0015] Furthermore, the auxiliary roller extrusion can make the surface of the rubber fire hose smoother and flatter, which not only improves the appearance quality of the product, but also reduces the frictional resistance with other components during winding and unwinding, reduces wear, and extends the service life of the fire hose.

[0016] (2) The molding device for the rubber lining of the fire hose, through the set agitation component and mixing component, can fully mix the rubber raw material with various additives, which not only greatly improves the consistency of the physical properties of the rubber lining and avoids performance differences caused by uneven local components, but also makes the hardness, elasticity and other properties of the entire rubber lining more stable.

[0017] Furthermore, it improves the overall production efficiency of the molding device, meets the needs of large-scale production of fire hose rubber liners, and reduces the production cost of fire hose rubber liners.

[0018] (3) The molding device for the rubber lining of the fire hose effectively improves heat dissipation efficiency through the baffle and limit rod, ensuring that the cooling speed of each part of the rubber lining is more uniform, avoiding quality problems caused by local overheating, and reducing the difficulty and time cost of equipment maintenance, which helps to maintain the good operating condition of the equipment and extend the service life of the equipment. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the connection structure between the base and the mixing component of this utility model.

[0020] Figure 2 This is a schematic diagram of the connection structure between the mixing component and the extrusion molding component of this utility model.

[0021] Figure 3 This is a schematic diagram of the connection structure between the mixing component and the support frame of this utility model.

[0022] Figure 4 This is a schematic diagram of the connection structure between the electric fixing frame and the base of this utility model.

[0023] Figure 5This is a schematic diagram of the connection structure between the connecting shaft and the auxiliary roller of this utility model.

[0024] Figure 6 This is a schematic diagram of the connection structure between the baffle and the rotating shaft of this utility model.

[0025] Figure 7 This is a schematic diagram of the connection structure between the stirring component and the connecting plate of this utility model.

[0026] In the diagram: 1. Base; 2. Extrusion molding assembly; 3. Mixing assembly; 4. Motor; 5. Rotating shaft; 6. Bevel gear; 7. Baffle; 8. Drive shaft; 9. Connecting shaft; 10. Auxiliary roller; 11. Connecting gear; 12. Fixing frame; 13. Connecting frame; 14. Fixing shaft; 15. Support frame; 16. Sliding shaft; 17. Gear No. 1; 18. Gear No. 2; 19. Connecting plate; 20. Agitating assembly. Detailed Implementation

[0027] 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.

[0028] Example 1: The fixed frame 12, sliding shaft 16, and base 1 ensure more uniform cooling of all parts of the rubber liner, avoiding quality problems caused by localized overheating. Figures 1-3 As shown: It includes a base 1, an extrusion molding component 2 is fixedly connected to the upper surface of the base 1, a mixing component 3 is fixedly connected to the upper left side of the base 1, a support frame 15 is fixedly connected to the inner wall of the mixing component 3, a sliding shaft 16 is rotatably arranged inside the support frame 15, the sliding shaft 16 is rotatably arranged inside the mixing component 3, a connecting plate 19 is fixedly connected to the surface of the sliding shaft 16, and an agitator 20 is fixedly connected to the surface of the connecting plate 19, the agitator 20 is rotatably arranged inside the mixing component 3, a fixing frame 12 is fixedly connected to the end of the upper surface of the base 1 away from the mixing component 3, the fixing frame 12 is symmetrically distributed about the center of the base 1, a connecting shaft 9 is rotatably arranged inside the fixing frame 12, and an auxiliary roller 10 is fixedly connected to the surface of the connecting shaft 9.

[0029] Workers use conveying components to transport rubber raw materials and various additives into the mixing component 3 according to a preset ratio (e.g., ...). Figure 1 As shown), the operator starts the motor 4. With the operation of the motor 4, the stirring component 20 rotates inside the mixing component 3, stirring and mixing the internal raw materials (e.g., ...). Figure 2As shown), to maintain the consistency of the physical properties of the rubber liner and to make the hardness, elasticity, and other properties of the entire rubber liner more stable, the mixed rubber raw material flows from the extrusion port on the right side of the mixing component 3 into the extrusion molding component 2 to extrude and mold the rubber liner. The molded rubber liner will be subjected to secondary extrusion. The motor 4 drives the auxiliary roller 10 to extrude the molded rubber liner again (as shown). Figure 3 As shown, this not only improves the appearance quality of the product, but also reduces frictional resistance with other components during winding and unwinding, reduces wear, and extends the service life of the fire hose.

[0030] In Example 2, unlike Example 1, the motor 4, baffle 7, and auxiliary roller 10 enable a more compact arrangement of rubber molecules, thereby increasing the density of the rubber fire hose lining. Figures 4-5 As shown: A motor 4 is fixedly connected to the upper surface of the base 1 at the end away from the fixed frame 12, and a baffle 7 is fixedly connected to the upper surface of the base 1. A transmission shaft 8 is rotatably installed inside the baffle 7. A rotating shaft 5 is fixedly connected to the output end of the motor 4. The rotating shaft 5 is rotatably installed inside the baffle 7. A bevel gear 6 is fixedly connected to the surface of the rotating shaft 5 and the surface of the transmission shaft 8. A belt is sleeved and connected to both the surface of the connecting shaft 9 and the surface of the transmission shaft 8. An auxiliary roller 10 is rotatably installed on the right side of the extrusion molding assembly 2. A connecting gear 11 is fixedly connected to the surface of the connecting shaft 9. The connecting shaft 9 is symmetrically distributed about the center of the extrusion molding assembly 2.

[0031] When the motor 4 is working, it drives the output shaft 5 to rotate inside the baffle 7, and through the bevel gear 6 on the surface of the shaft 5 and the transmission shaft 8 (such as... Figure 3 and Figure 4 This causes the motor 4 to drive the transmission shaft 8 to rotate inside the baffle 7 when it is working. A belt is installed on the surfaces of the transmission shaft 8 and the connecting shaft 9. Through belt drive, the motor 4 drives the connecting shaft 9 to rotate inside the fixed frame 12. As the connecting shaft 9 rotates, the auxiliary rollers 10 on the surface further compress the molded rubber liner (e.g., ...). Figure 3 (As shown) This enhances the pressure resistance of fire hoses, making them less prone to leakage during high-pressure water spraying operations. It also avoids localized weak points in fire hoses caused by uneven thickness, greatly improving the pressure resistance and reliability of the rubber lining in practical applications.

[0032] In Example 3, unlike Example 2, the use of a first gear 17, agitator 20, and mixing assembly 3 enables thorough mixing of the rubber raw material with various additives, improving the device's efficiency. Figures 6-7As shown: A connecting frame 13 is fixedly connected to the outside of the mixing component 3, and a rotating shaft 5 is rotatably arranged inside the connecting frame 13. A fixed shaft 14 is rotatably arranged inside the mixing component 3. Belts are sleeved and connected to both the surface of the rotating shaft 5 and the surface of the fixed shaft 14. A first gear 17 is fixedly connected to the surface of the fixed shaft 14 and is rotatably arranged inside the mixing component 3. A second gear 18 is fixedly connected to the surface of the sliding shaft 16 and is rotatably arranged inside the mixing component 3. The second gear 18 and the first gear 17 are meshed. The stirring components 20 are evenly distributed inside the mixing component 3.

[0033] A belt is installed on the surface of the rotating shaft 5 and the surface of the fixed shaft 14. Through belt drive, the motor 4 drives the fixed shaft 14 to rotate inside the mixing assembly 3 when it is working (e.g., ...). Figure 6 As shown, the rotation of the fixed shaft 14 drives the first gear 17 and the second gear 18 on the surface to mesh, causing the second gear 18 to drive the sliding shaft 16 to rotate inside the support frame 15, and also driving the connecting plate 19 at the lower end of the sliding shaft 16 to rotate. At the same time, the connecting plate 19 drives the stirring component 20 on the surface to fully mix the rubber raw materials and various additives inside the mixing component 3 (such as...). Figure 7 As shown in the figure, this not only greatly improves the consistency of the physical properties of the rubber liner and avoids performance differences caused by uneven local composition, but also makes the hardness, elasticity and other properties of the entire rubber liner more stable.

[0034] 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.

[0035] 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 molding device for rubber lining of fire hose, comprising a base (1), wherein an extrusion molding component (2) is fixedly connected to the upper surface of the base (1), and a mixing component (3) is fixedly connected to the upper left side of the base (1), and a support frame (15) is fixedly connected to the inner wall of the mixing component (3), while a sliding shaft (16) is rotatably provided inside the support frame (15). Its features are: The sliding shaft (16) is rotatably disposed inside the mixing assembly (3), and a connecting plate (19) is fixedly connected to the surface of the sliding shaft (16), and an agitating assembly (20) is fixedly connected to the surface of the connecting plate (19), while the agitating assembly (20) is rotatably disposed inside the mixing assembly (3). A fixing frame (12) is fixedly connected to the upper surface of the base (1) away from the mixing component (3), and the fixing frame (12) is symmetrically distributed about the center of the base (1). A connecting shaft (9) is rotatably arranged inside the fixing frame (12), and an auxiliary roller (10) is fixedly connected to the surface of the connecting shaft (9).

2. The molding device for a rubber liner of a fire hose according to claim 1, characterized in that: A motor (4) is fixedly connected to the upper surface of the base (1) at the end away from the fixed frame (12), and a baffle (7) is fixedly connected to the upper surface of the base (1), and a transmission shaft (8) is rotatably arranged inside the baffle (7).

3. The molding device for a rubber liner of a fire hose according to claim 2, characterized in that: The output end of the motor (4) is fixedly connected to a rotating shaft (5), and the rotating shaft (5) is rotatably disposed inside the baffle (7). A bevel gear (6) is fixedly connected to the surface of the rotating shaft (5) and the surface of the transmission shaft (8).

4. The molding device for a rubber liner of a fire hose according to claim 3, characterized in that: Both the surface of the connecting shaft (9) and the surface of the transmission shaft (8) are fitted with belts. The auxiliary roller (10) is rotatably arranged on the right side of the extrusion molding assembly (2). The surface of the connecting shaft (9) is fixedly connected with a connecting gear (11), and the connecting shaft (9) is symmetrically distributed about the center of the extrusion molding assembly (2).

5. The molding device for a rubber liner of a fire hose according to claim 3, characterized in that: The mixing assembly (3) is fixedly connected to a connecting frame (13) on the outside, and the connecting frame (13) is rotatably provided with the rotating shaft (5), and the mixing assembly (3) is rotatably provided with a fixed shaft (14).

6. The molding device for a rubber liner of a fire hose according to claim 5, characterized in that: Both the surface of the rotating shaft (5) and the surface of the fixed shaft (14) are fitted with belts, and a first gear (17) is fixedly connected to the surface of the fixed shaft (14), and the first gear (17) is rotatably disposed inside the mixing assembly (3).

7. The molding device for a rubber liner of a fire hose according to claim 6, characterized in that: The sliding shaft (16) is fixedly connected to a second gear (18), and the second gear (18) is rotatably disposed inside the mixing assembly (3). The second gear (18) is meshed with the first gear (17). The stirring assembly (20) is distributed at equal angles inside the mixing assembly (3).

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