Foaming device for polyurethane prefabricated directly-buried thermal insulation pipe

Abstract

The utility model relates to the technical field of production of directly-buried thermal insulation pipes, in particular to a polyurethane prefabricated directly-buried thermal insulation pipe foaming device which comprises a supporting plate, the inner wall of the supporting plate is rotationally connected with two first rotating rods, and the outer surface of one first rotating rod is rotationally connected with a first gear. According to the device, the motor, the first rotating rods, the first fixing blocks, the second fixing blocks, rollers and other components are arranged, the motor is started to drive the corresponding first rotating rods to rotate, the first rotating rods drive the corresponding first fixing blocks to rotate, and the first fixing blocks drive the two second fixing blocks to rotate; the two second fixing blocks drive the first fixing block on the other side to rotate through the corresponding first rotating rod, the two first fixing blocks drive the corresponding connecting blocks to rotate when rotating, the two connecting blocks drive the roller to rotate, and the component can drive the roller to rotate by starting the motor. And therefore, the device can solve the problems that the raw materials are easy to layer and are not uniformly mixed through rotation of the roller.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of direct-buried heat preservation pipe production, in particular to a polyurethane prefabricated direct-buried heat preservation pipe foaming device. BACKGROUND

[0002] The direct-buried heat preservation pipe is also called a prefabricated heat preservation pipe, has the advantages of high-efficiency heat preservation, waterproofness, corrosion resistance and heat insulation, and is divided into three types, namely, a plastic sleeve steel heat preservation pipe (high-density polyethylene direct-buried heat preservation pipe), a steel outer protective pipe vacuum composite heat preservation prefabricated direct-buried pipe and a steel sleeve steel heat preservation pipe (high-temperature steam heat preservation pipe), wherein the plastic sleeve steel heat preservation pipe is formed by tightly combining a high-density polyethylene outer sleeve pipe, a polyurethane foam heat preservation layer and an inner working steel pipe or is composed of the heat preservation layer replaced by aerogel heat insulation felt and polyurethane high-pressure foaming.

[0003] Foaming devices take advantage of the foaming properties of materials. In foaming devices, materials with foaming properties, such as plastics, rubbers, etc., are usually used. These materials release gas when heated or pressurized, forming a foam-like structure. Foaming materials can be foamed by physical or chemical methods, where physical foaming is achieved by mechanically expanding the material, and chemical foaming is achieved by adding foaming agents and other chemicals to the material.

[0004] For the related technologies in the above, the inventors have found that the following defects exist: when polyurethane is foamed, the uniformity of mixing of multiple raw materials determines the quality of foaming, and the stirring structure in the traditional foaming mixing device usually stirs horizontally, and the flowability of the upper layer of raw materials and the lower layer of raw materials is poor in the mixing cylinder, and the raw materials are prone to stratification and uneven mixing. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the problem that the raw materials are prone to stratification and uneven mixing, the application provides a polyurethane prefabricated direct-buried heat preservation pipe foaming device.

[0006] The polyurethane prefabricated direct-buried heat preservation pipe foaming device provided by the application adopts the following technical scheme:

[0007] Optionally, the support plate is provided with two rotating rods I, one of which is provided with a gear I on the outer surface, the gear I is engaged with a gear II, the gear II is fixedly connected with a rotating rod II on the bottom surface, the inside of the support plate is provided with a track, the track is rotatably connected with a rotating wheel I and a rotating wheel II, the rotating wheel I is fixedly connected with the rotating rod II on the upper surface, the rotating wheel II is fixedly connected with a rotating rod III on the upper surface, the rotating rod III is rotatably connected with a roller on the outer surface, the rotating rod III is fixedly connected with a stirring paddle on the outer surface, the upper surface of the roller is rotatably connected with a barrel cover, the upper surface of the barrel cover is fixedly connected with a lead screw, and the upper surface of the lead screw is fixedly connected with a control knob.

[0008] Optionally, the outer surface of the support plate is fixedly connected with a cushion block, the upper surface of the cushion block is fixedly connected with a motor, the output end of the motor is fixedly connected with the corresponding rotating rod I, the side of each rotating rod I away from the support plate is fixedly connected with a fixed block I, the outer surface of each fixed block I is fixedly connected with a connecting block, and the side of each connecting block away from the fixed block I is fixedly connected with the roller.

[0009] Optionally, the upper and lower sides of the two fixed blocks I are fixedly connected with a fixed block II, the outer surface of the rotating rod II is rotatably connected with the corresponding fixed block I, and the outer surface of the rotating rod III is rotatably connected with the corresponding fixed block II.

[0010] Optionally, the outer surface of the lead screw is threadedly connected with the corresponding fixed block II, and the bottom of the roller is provided with a discharge port, and the outer surface of the discharge port is fixedly connected with a valve.

[0011] Optionally, the outer surface of the roller is fixedly connected with three concave blocks I, the inner wall of each concave block I is fixedly connected with a fixed rod I, and the outer surface of each fixed rod I is rotatably connected with a fixed block III.

[0012] Optionally, the inner wall of each fixed block III is rotatably connected with a connecting rod, the outer surface of each connecting rod is slidably connected with a concave block II, and the back surface of the concave block II is fixedly connected with the barrel cover.

[0013] In summary, the present application has the following beneficial technical effects:

[0014] The utility model discloses a motor, rotating rod no. One, fixed block no. One, fixed block no. Two, drum and other components are set up, and the corresponding rotating rod no. One is driven to rotate through starting motor, and the corresponding fixed block no. One is driven to rotate through rotating rod no. One, and two fixed block no. Two are driven to rotate through fixed block no. One, and the other side fixed block no. One is driven to rotate with the corresponding rotating rod no. One through two fixed block no. Two, and the corresponding connecting block is driven to rotate when two fixed block no. One rotates, and two connecting blocks drive the drum to rotate, and the component can drive the drum to rotate through starting motor, and further reach the effect that the device can solve the phenomenon that raw materials are easy to appear stratification and mix unevenly through the rotation of the drum.

[0015] The utility model discloses a fixed block no. One, rotating rod no. Two, gear no. Two, gear no. One, rotating wheel no. One, track, rotating wheel no. Two and other components are set up, and the rotating rod no. Two is driven to revolve around the sun through fixed block no. One, and the gear no. Two is driven to revolve around the sun with gear no. One as the center through rotating rod no. Two, and the gear no. Two is driven to rotate through the meshing of gear no. One and gear no. Two, and the rotating rod no. Two is driven to rotate through gear no. Two, and the rotating wheel no. One is driven to rotate through rotating rod no. Two, and the rotating wheel no. Two is driven to rotate through track through rotating wheel no. One, and the rotating rod no. Three is driven to rotate through rotating wheel no. Two, and the stirring oar is driven to rotate through rotating rod no. Three, and further reach the effect that the device can drive the stirring oar to rotate through the meshing between the gear. DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram in the embodiment of the application;

[0017] Figure 2 It is the main structure schematic diagram in the embodiment of the application;

[0018] Figure 3 It is the structure schematic diagram of drum in the embodiment of the application;

[0019] Figure 4 It is the structure schematic diagram of clamping in the embodiment of the application.

[0020] Fig. 1, support plate;2, rotating rod no. One;3, gear no. One;4, gear no. Two;5, rotating rod no. Two;6, track;7, motor;8, rotating wheel no. One;9, rotating wheel no. Two;10, rotating rod no. Three;11, drum;12, stirring oar;13, cylinder cover;14, screw;15, control knob;16, cushion block;17, fixed block no. One;18, fixed block no. Two;19, discharge port;20, valve;21, concave block no. One;22, fixed rod no. One;23, fixed block no. Three;24, connecting rod;25, concave block no. Two;26, connecting block. CONCRETE IMPLEMENTATION

[0021] The following combines the Figures 1-4 Make the further detailed explanation to the application.

[0022] The embodiment of the application discloses polyurethane prefabricated direct-buried heat preservation pipe foaming device. Figure 1 ,Figure 2 As shown, the system includes a support plate 1. Two rotating rods 2 are rotatably connected to the inner wall of the support plate 1. A gear 3 is rotatably connected to the outer surface of one of the rotating rods 2. A gear 4 meshes with the outer surface of gear 3. Both gears 3 and 4 are bevel gears. Gear 3 is fixedly connected to the inner wall of the corresponding support plate 1. Gear 4 rotates and revolves simultaneously with gear 3. A rotating rod 5 is fixedly connected to the bottom surface of gear 4, causing gear 4 to rotate. A track 6 is provided inside the support plate 1. A wheel 8 and a wheel 9 are rotatably connected to the track 6. The upper surface of wheel 8 is fixedly connected to the rotating rod 5. Rotating rod 10 is fixedly connected to the upper surface of 9. Rotating rod 5 drives rotating wheel 8 to rotate. Rotating wheel 8 drives rotating wheel 9 to rotate via track 6. Roller 11 is rotatably connected to the outer surface of rotating rod 10. A stirring paddle 12 is fixedly connected to the outer surface of rotating rod 10. Rotating wheel 9 drives the stirring paddle 12 on the surface of rotating rod 10 to rotate. The stirring paddle 12 can stir the raw materials. Cylinder cover 13 is rotatably connected to the upper surface of roller 11. Lead screw 14 is fixedly connected to the upper surface of cylinder cover 13. Control knob 15 is fixedly connected to the upper surface of lead screw 14. By rotating control knob 15, cylinder cover 13 can be raised and lowered. Raw materials can be added when cylinder cover 13 is raised.

[0023] Please see Figure 1 A pad 16 is fixedly connected to the outer surface of the support plate 1. A motor 7 is fixedly installed on the upper surface of the pad 16. The output end of the motor 7 is fixedly connected to the corresponding rotating rod 2. The motor 7 is the power source of the entire device and can drive the corresponding rotating rod 2 to rotate.

[0024] Please see Figure 1 Each rotating rod 12 is fixedly connected to a fixing block 17 on the side away from the support plate 1. Each rotating rod 12 can drive the corresponding fixing block 17 to rotate. Each fixing block 17 is fixedly connected to a connecting block 26 on its outer surface. Each connecting block 26 is fixedly connected to the roller 11 on the side away from the fixing block 17. The connecting block 26 can fix the relative position of the roller 11. The upper and lower sides of the two fixing blocks 17 are fixedly connected to fixing blocks 28. The two fixing blocks 28 can drive the fixing block 17 on the other side and the corresponding rotating rod 12 to rotate. The outer surface of the rotating rod 25 is rotatably connected to the corresponding fixing block 17. The fixing block 17 corresponding to the rotating rod 25 has a hole inside.

[0025] Please see Figure 3 The outer surface of the rotating rod 10 is rotatably connected to the corresponding fixed block 18, the outer surface of the lead screw 14 is threadedly connected to the corresponding fixed block 18, the fixed block 18 corresponding to the lead screw 14 has a threaded hole inside, and the fixed block 18 corresponding to the rotating rod 10 has a through hole inside.

[0026] Please see Figure 3 The bottom of the drum 11 is provided with a discharge port 19. A valve 20 is fixedly installed on the outer surface of the discharge port 19. The discharge port 19 can discharge the mixed raw materials. The valve 20 can control the opening and closing of the discharge port 19. An air suction valve is fixedly connected to the surface of the drum 11. The air suction valve can provide air to the inside of the drum 11.

[0027] Please see Figure 3 , Figure 4 Three concave blocks 21 are fixedly connected to the outer surface of the roller 11. A fixing rod 22 is fixedly connected to the inner wall of each concave block 21. A fixing block 23 is rotatably connected to the outer surface of each fixing rod 22. A connecting rod 24 is rotatably connected to the inner wall of each fixing block 23. The fixing block 23 rotates with the fixing rod 22 as the fulcrum, and the connecting rod 24 rotates with the fixing block 23 as the fulcrum.

[0028] Please see Figure 4 Each connecting rod 24 has a concave block 25 slidably connected to its outer surface. The back of the concave block 25 is fixedly connected to the cylinder cover 13. By rotating the fixing block 3 23, the connecting rod 24 can be brought closer to the surface of the concave block 25, which can make the cylinder cover 13 fit more firmly with the roller 11 and prevent the rotation from causing the raw material to leak.

[0029] The implementation principle of the polyurethane prefabricated direct-buried insulation pipe foaming device in this application embodiment is as follows: By rotating the fixed block 3 23, the connecting rod 24 is driven away from the concave block 25. Then, the control knob 15 is used to lift the cylinder cover 13, adding raw materials into the roller 11. The control knob 15 is then used to lower the cylinder cover 13 closer to the roller 11, so that the connecting rod 24 and the concave block 25 are slidably connected, further fixing the relative position of the cylinder cover 13. The motor 7 is started to drive the corresponding rotating rod 1 2 to rotate. The rotating rod 1 2 drives the corresponding fixed block 1 17 to rotate. The fixed block 1 17 drives the two fixed blocks 2 18 to rotate. The two fixed blocks 2 18 drive the fixed block 1 1 on the other side to rotate. 7. With the corresponding rotation, the two fixed blocks 17 drive the rollers 11 connected to the two connecting blocks 26 to rotate. The fixed blocks 17 drive the rotating rod 5 to revolve. The rotating rod 5 drives the gear 4 to revolve. The gear 4 rotates itself by meshing with the gear 3. The rotation of the gear 4 drives the rotating rod 5 to rotate. The rotation of the rotating rod 5 drives the rotating wheel 8 to rotate. The rotating wheel 8 drives the rotating wheel 9 to rotate through the track 6. The rotating wheel 9 drives the stirring paddle 12 to rotate. The stirring paddle 12 can stir the raw materials. The air intake valve can provide air to the inside of the roller 11. After the raw materials are stirred, the valve 20 can be opened to discharge the raw materials from the outlet 19.

[0030] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A polyurethane pre-insulated direct-buried pipe foaming device, comprising a support plate (1), characterized in that: The inner wall of the support plate (1) is rotatably connected to two rotating rods (2). One of the rotating rods (2) is rotatably connected to a gear (3). The outer surface of the gear (3) is meshed with a gear (4). The bottom surface of the gear (4) is fixedly connected to a rotating rod (5). The support plate (1) is provided with a track (6). The track (6) is rotatably connected to a rotating wheel (8) and a rotating wheel (9). The upper surface of the rotating wheel (8) is fixedly connected to the rotating rod (5). The upper surface of the rotating wheel (9) is fixedly connected to a rotating rod (10). The outer surface of the rotating rod (10) is rotatably connected to a roller (11). The outer surface of the rotating rod (10) is fixedly connected to a stirring paddle (12). The upper surface of the roller (11) is rotatably connected to a cylinder cover (13). The upper surface of the cylinder cover (13) is fixedly connected to a lead screw (14). The upper surface of the lead screw (14) is fixedly connected to a control knob (15).

2. The polyurethane pre-insulated direct-buried pipe foaming device according to claim 1, characterized in that: A pad (16) is fixedly connected to the outer surface of the support plate (1), and a motor (7) is fixedly installed on the upper surface of the pad (16). The output end of the motor (7) is fixedly connected to the corresponding rotating rod (2).

3. The polyurethane pre-insulated direct-buried pipe foaming device according to claim 1, characterized in that: Each of the rotating rods (2) is fixedly connected to a fixing block (17) on the side away from the support plate (1), and a connecting block (26) is fixedly connected to the outer surface of each fixing block (17). The outer surface of the rotating rod (5) is rotatably connected to the corresponding fixing block (17). The side of each connecting block (26) away from the fixing block (17) is fixedly connected to the roller (11). Fixing blocks (18) are fixedly connected to the upper and lower sides of the two fixing blocks (17).

4. The polyurethane pre-insulated direct-buried pipe foaming device according to claim 1, characterized in that: The outer surface of the rotating rod three (10) is rotatably connected to the corresponding fixed block two (18), and the outer surface of the lead screw (14) is threadedly connected to the corresponding fixed block two (18).

5. The polyurethane pre-insulated direct-buried pipe foaming device according to claim 1, characterized in that: The bottom of the roller (11) is provided with a discharge port (19), and a valve (20) is fixedly installed on the outer surface of the discharge port (19).

6. The polyurethane pre-insulated direct-buried pipe foaming device according to claim 1, characterized in that: The outer surface of the roller (11) is fixedly connected with three concave blocks (21), and each concave block (21) is fixedly connected with a fixing rod (22) on its inner wall.

7. The polyurethane pre-insulated direct-buried pipe foaming device according to claim 6, characterized in that: Each of the fixed rods (22) has a fixed block (23) rotatably connected to its outer surface, and a connecting rod (24) rotatably connected to the inner wall of each fixed block (23). Each of the connecting rods (24) has a concave block (25) slidably connected to its outer surface, and the back of the concave block (25) is fixedly connected to the cylinder cover (13).

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