Foaming material filling device for polyurethane foaming thermal insulation pipe

Abstract

The utility model discloses a foaming material filling device for a polyurethane foaming thermal insulation pipe, which belongs to the technical field of foaming material filling and comprises a mounting bottom plate, a high-pressure foaming machine, a mounting plate, a mounting disc body, a first fixing component and a second fixing component. Air is pressurized through an air compressor and filled into an expansion shaft from a connecting pipe to expand the expansion shaft, then a heat preservation outer pipe can be fixed, a driving motor rotates to drive a driving screw to rotate, accordingly, a movable ring body can move transversely, and then a plurality of clamping plates can be folded inwards; and air is conveyed into the connecting hose through an air compressor to enable the expansion bag to expand, so that each clamping plate can be folded towards the center, the heat preservation inner pipe can be fixed, the circle center of the heat preservation outer pipe and the circle center of the heat preservation inner pipe can coincide, and the filling effect is better.

Description

TECHNICAL FIELD

[0001] The utility model belongs to foamed material filling technical field, specifically, relate to a kind of polyurethane foaming heat preservation pipe foamed material filling device. BACKGROUND

[0002] It is known that prefabricated steel sleeve composite heat preservation pipe is a kind of commonly used heat preservation pipe material, generally fill polyurethane foam heat preservation filler between outer protective steel pipe and inner working steel pipe, to ensure the temperature of transmission medium, and ensure that outer protective steel pipe keeps normal temperature, in the prefabricated steel sleeve composite heat preservation pipe production process, the filling of polyurethane foaming material becomes a crucial step.

[0003] Chinese utility model patent CN213353264U discloses a prefabricated steel sleeve composite heat preservation pipe foaming glue filling device, including high-pressure foaming machine, multiple groups of feeding tubes, multiple groups of glue injection nozzles, two groups of annular limit plates, two groups of sealing rings, two groups of annular sealing pads, two groups of air cylinders, two groups of support frames, two groups of telescopic rods, two groups of fixed frames, multiple groups of support rods, multiple groups of pulleys, two groups of fixed plates and multiple groups of heating rods, the output end of high-pressure foaming machine is provided with output pipe, two groups of annular limit plates are respectively provided with two groups of annular grooves, two groups of annular sealing pads are respectively installed in two groups of annular grooves, multiple groups of support rods are respectively connected with multiple groups of pulleys and two groups of annular limit plates at both ends, multiple groups of fixed seats are respectively arranged on two groups of fixed plates, and multiple groups of heating rods are respectively installed between multiple groups of fixed seats.

[0004] The above-mentioned prior art also has the following defects: only the outer pipe and the inner pipe of the heat preservation pipe with a fixed pipe diameter can be fixed, and the outer pipe and the inner pipe of the heat preservation pipe with different pipe diameters cannot be fixed, which limits the filling of the heat preservation pipe. UTILITY MODEL CONTENTS

[0005] The purpose of this section is to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the problem that only the outer pipe and the inner pipe of the heat preservation pipe with a fixed pipe diameter can be fixed, and the outer pipe and the inner pipe of the heat preservation pipe with different pipe diameters cannot be fixed, which limits the filling of the heat preservation pipe, the utility model adopts the following technical scheme.

[0007] The utility model provides a kind of polyurethane foaming heat preservation pipe foaming material filling device, including installation bottom plate, the upper end side of installation bottom plate is equipped with high-pressure foaming machine, and the upper side of installation bottom plate is placed with heat preservation outer tube and heat preservation inner tube, and heat preservation inner tube is sleeved on the outer wall of heat preservation outer tube, and the upper end side of installation bottom plate is fixedly connected with mounting plate, and the outer wall of mounting plate is detachably connected with mounting disc body, and the outer wall of mounting disc body is equipped with first fixed component, and first fixed component is fixed with heat preservation outer tube, and the outer wall of mounting disc body is equipped with second fixed component, and second fixed component is fixed with heat preservation inner tube, and heat preservation inner tube and heat preservation outer tube are concentric.

[0008] Preferably, a filling assembly is installed on the high-pressure foaming machine, and the filling assembly fills the gap between the heat preservation outer tube and the heat preservation inner tube with foaming material.

[0009] Preferably, the first fixed component includes an expansion shaft and a connecting pipe, the outer wall of the mounting disc body is detachably connected with the expansion shaft, one end of the expansion shaft is detachably connected with the connecting pipe that penetrates through the mounting disc body, the connecting pipe is connected with the air compressor, and the air compressor pressurizes air to fill the expansion shaft to make it expand.

[0010] Preferably, the second fixed component includes a clamping plate, a moving ring body, an air inflation bag, and a connecting hose, the outer wall of the mounting disc body is provided with a plurality of mounting grooves in a circumferential array at the center of the expansion shaft, a torsion spring is rotatably connected with the clamping plate in each mounting groove, each clamping plate is normally outwardly spread, a moving assembly is installed on the upper end of the installation bottom plate, the moving ring body is installed on the moving assembly, the moving ring body is sleeved on the outside of the plurality of clamping plates, the inner wall of the moving ring body is provided with the air inflation bag, the outer wall of the moving ring body is detachably connected with the connecting hose, the connecting hose is in communication with the air inflation bag, and the connecting hose is connected with the air compressor.

[0011] Preferably, the moving assembly includes a sliding block, a drive screw, and a drive motor, the upper end of the installation bottom plate is provided with a sliding groove, the sliding groove is slidably connected with the sliding block, the sliding block is threadedly connected with the drive screw, the upper end of the sliding block is fixedly connected with the outer wall of the moving ring body, the outer wall of the installation bottom plate is detachably connected with the drive motor, and one end of the drive screw is detachably connected with the drive motor.

[0012] Preferably, the filling assembly includes an output pipe, a plug-in disc body, and a bubble outlet hole, the output end of the high-pressure foaming machine is detachably connected with the output pipe, the output pipe is detachably connected with the plug-in disc body at the end, and the outer wall of the plug-in disc body is provided with a plurality of bubble outlet holes.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. Through the setting of the first fixing assembly, the second fixing assembly and the moving assembly, the air is filled into the inside of the expansion shaft from the connecting pipe by the air compressor, so that the expansion shaft is expanded, and then the heat preservation outer pipe can be fixed, the driving screw is driven to rotate by the driving motor, so that the moving ring body can move transversely, and then the plurality of clamping plates can be folded inward, the air is sent into the inside of the connecting hose by the air compressor, so that the air bag is expanded, so that each clamping plate can be folded to the center, and then the heat preservation inner pipe can be fixed, and the heat preservation outer pipe and the heat preservation inner pipe can be concentric, so that the filling effect is better.

[0015] 2. The foaming material is sent into the inside of the plug-in disc body through the output pipe in the filling assembly, and is sprayed from the bubble outlet, so that the heat preservation outer pipe and the heat preservation inner pipe can be filled, and the plug-in disc body is pushed outwards by the expansion force of the foaming material until the filling is completed, so that the filling effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a foaming material filling device structure schematic view of the polyurethane foaming heat preservation pipe in the utility model;

[0017] Figure 2 It is a first fixing assembly structure schematic view in the utility model;

[0018] Figure 3 It is a second fixing assembly structure schematic view in the utility model;

[0019] Figure 4 It is a filling assembly structure schematic view in the utility model;

[0020] The corresponding relationship between the annotations of the drawings and the component names in the drawings is as follows:

[0021] 100, mounting bottom plate; 101, heat preservation outer pipe; 102, heat preservation inner pipe; 103, sliding groove;

[0022] 200, expansion shaft; 201, mounting disc body; 202, mounting plate; 203, connecting pipe; 204, mounting groove;

[0023] 300, clamping plate; 301, moving ring body; 302, air bag; 303, connecting hose; 304, sliding block; 305, driving screw; 306, driving motor;

[0024] 400, high-pressure foaming machine; 401, output pipe; 402, plug-in disc body; 403, bubble outlet. DETAILED DESCRIPTION

[0025] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0026] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0027] Secondly, "one embodiment" or "embodiment" referred to herein means that a specific feature, structure or characteristic can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in this specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments. The present application provides the following embodiments.

[0028] As shown in Figure 1 , it is a structure schematic diagram of a polyurethane foaming heat preservation pipe foaming material filling device of a preferred embodiment of the present application, the polyurethane foaming heat preservation pipe foaming material filling device of the present embodiment comprises a mounting bottom plate 100, a high-pressure foaming machine 400 is mounted on one side of the upper end of the mounting bottom plate 100, a heat preservation outer pipe 101 and a heat preservation inner pipe 102 are placed above the mounting bottom plate 100, the heat preservation inner pipe 102 is sleeved on the outer wall of the heat preservation outer pipe 101, in the present embodiment, the high-pressure foaming machine 400 is used to foam fill between the heat preservation outer pipe 101 and the heat preservation inner pipe 102.

[0029] As shown in Figure 2 , it is a structure schematic diagram of a first fixing assembly in the present embodiment, a mounting plate 202 is fixedly connected on one side of the upper end of the mounting bottom plate 100, a mounting disc body 201 is detachably connected to the outer wall of the mounting plate 202, an expansion shaft 200 is detachably connected to the outer wall of the mounting disc body 201, a connecting pipe 203 passing out of the mounting disc body 201 is detachably connected to one end of the expansion shaft 200, the connecting pipe 203 is connected with an air compressor, in the present embodiment, the air compressor is used to pressurize air and fill it into the expansion shaft 200 to make it expand, thereby being able to fix the heat preservation outer pipe 101.

[0030] It is worth noting that the above-mentioned expansion shaft 200 and connecting pipe 203 are the first fixing assembly in the present embodiment, the first fixing assembly includes but is not limited to the expansion shaft 200 and the connecting pipe 203, as long as the assembly can fix the heat preservation outer pipe 101, it can be applied in the present embodiment.

[0031] As shown in Figure 2 and Figure 3As shown, it is the second fixed component structure schematic view in the embodiment, the outer wall of the mounting disc body 201 is provided with a plurality of mounting grooves 204 in the circumferential array at the center of the expansion shaft 200, the torsion spring of each mounting groove 204 is rotatably connected with a clamping plate 300, each clamping plate 300 is normally open outward, the upper end of the mounting base plate 100 is provided with a sliding groove 103, the sliding groove 103 is slidably connected with a sliding block 304, the sliding block 304 is threadedly connected with a drive screw 305, the upper end of the sliding block 304 is detachably connected with a moving ring body 301, the moving ring body 301 is sleeved outside the plurality of clamping plates 300, the inner wall of the moving ring body 301 is provided with a gas inflation bag 302, the outer wall of the moving ring body 301 is detachably connected with a connecting hose 303, the connecting hose 303 is communicated with the gas inflation bag 302, the connecting hose 303 is connected with an air compressor, the outer wall of the mounting base plate 100 is detachably connected with a drive motor 306, one end of the drive motor 306 is detachably connected with the drive screw 305, in the embodiment, the drive motor 306 is rotated to drive the drive screw 305 to rotate, so that the moving ring body 301 can move transversely, and then the plurality of clamping plates 300 can be folded inward, the air compressor is used to deliver air to the inside of the connecting hose 303 to make the gas inflation bag 302 expand, so that each clamping plate 300 can be folded to the center, and then the heat preservation inner tube 102 can be fixed, and the heat preservation outer tube 101 and the heat preservation inner tube 102 can be coaxial, so that the filling effect is better.

[0032] It is worth noting that the above-mentioned clamping plate 300, moving ring body 301, gas inflation bag 302 and connecting hose 303 are the second fixing assembly in the embodiment, the second fixing assembly includes but is not limited to the clamping plate 300, the moving ring body 301, the gas inflation bag 302 and the connecting hose 303, as long as the assembly which can fix the heat preservation inner tube 102 and make the heat preservation inner tube 102 coaxial with the heat preservation outer tube 101 can be applied in the embodiment.

[0033] It is worth noting that the above-mentioned sliding block 304, drive screw 305 and drive motor 306 are the moving assembly in the embodiment, the moving assembly includes but is not limited to the sliding block 304, the drive screw 305 and the drive motor 306, as long as the assembly which can make the moving ring body 301 move transversely can be applied in the embodiment.

[0034] As Figure 4As shown, it is the schematic diagram of the filling assembly structure in the embodiment, the output end of the high-pressure foaming machine 400 is detachably connected with an output pipe 401, the end of the output pipe 401 is detachably connected with a plug-in disc body 402, and the outer wall of the plug-in disc body 402 is provided with a plurality of bubble holes 403. In the embodiment, the plug-in disc body 402 with a suitable size is selected to be connected with the output pipe 401, the plug-in disc body 402 is inserted into the gap between the heat preservation outer pipe 101 and the heat preservation inner pipe 102 and is installed in close contact with the installation disc 201. In the embodiment, the foaming material is fed into the inside of the plug-in disc body 402 through the output pipe 401 by the high-pressure foaming machine 400 and is sprayed out from the bubble holes 403, thereby being capable of filling the space between the heat preservation outer pipe 101 and the heat preservation inner pipe 102, and the plug-in disc body 402 is pushed outwards by the expansion force of the foaming material until the filling is completed, so that the filling effect is better.

[0035] It is worth noting that the output pipe 401, the plug-in disc body 402 and the bubble hole 403 are the filling assembly in the embodiment, and the filling assembly includes but is not limited to the output pipe 401, the plug-in disc body 402 and the bubble hole 403. As long as the assembly capable of filling the foaming material between the heat preservation outer pipe 101 and the heat preservation inner pipe 102 can be applied to the embodiment.

[0036] The above is a further detailed description of the utility model in combination with the specific implementation, and the specific implementation of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as belonging to the protection range determined by the claims submitted by the utility model.

Claims

1. A polyurethane foam insulation pipe foaming material filling device, comprising a mounting base plate (100), a high-pressure foaming machine (400) mounted on one side of the upper end of the mounting base plate (100), an outer insulation pipe (101) and an inner insulation pipe (102) placed above the mounting base plate (100), the inner insulation pipe (102) being sleeved on the outer wall of the outer insulation pipe (101), characterized in that, A mounting plate (202) is fixedly connected to one side of the upper end of the mounting base plate (100). A mounting disc (201) is detachably connected to the outer wall of the mounting plate (202). A first fixing component is installed on the outer wall of the mounting disc (201). The first fixing component fixes the outer insulation tube (101). A second fixing component is installed on the outer wall of the mounting disc (201). The second fixing component fixes the inner insulation tube (102). The centers of the inner insulation tube (102) and the outer insulation tube (101) coincide.

2. The polyurethane foam insulation pipe foaming material filling device according to claim 1, characterized in that, A filling component is installed on the high-pressure foaming machine (400) to fill the gap between the outer insulation tube (101) and the inner insulation tube (102) with foam material.

3. The polyurethane foam insulation pipe foaming material filling device according to claim 2, characterized in that, The first fixing component includes an expansion shaft (200) and a connecting pipe (203). The expansion shaft (200) is detachably connected to the outer wall of the mounting plate (201). One end of the expansion shaft (200) is detachably connected to a connecting pipe (203) that extends out of the mounting plate (201). The connecting pipe (203) is connected to an air compressor. The air compressor pressurizes air and fills the expansion shaft (200) through the connecting pipe (203) to make it expand.

4. The polyurethane foam insulation pipe foaming material filling device according to claim 3, characterized in that, The second fixing component includes a clamping plate (300), a movable ring (301), an inflatable bladder (302), and a connecting hose (303). The outer wall of the mounting plate (201) is provided with a plurality of mounting grooves (204) arranged in a circumferential array around the center of the expansion shaft (200). The clamping plate (300) is rotatably connected to the inside of each mounting groove (204) by a torsion spring. Each clamping plate (300) is open outward in the normal state. A movable component is installed on the upper end of the mounting base plate (100). The movable ring (301) is installed on the movable component. The movable ring (301) is sleeved on the outside of the plurality of clamping plates (300). An inflatable bladder (302) is provided on the inner wall of the movable ring (301). A connecting hose (303) is detachably connected to the outer wall of the movable ring (301). The connecting hose (303) communicates with the inflatable bladder (302) and is connected to the air compressor.

5. The polyurethane foam insulation pipe foaming material filling device according to claim 4, characterized in that, The moving component includes a sliding block (304), a drive screw (305), and a drive motor (306). A sliding groove (103) is provided on the upper end of the mounting base plate (100). The sliding block (304) is slidably connected inside the sliding groove (103). The sliding block (304) is threadedly connected to the drive screw (305). The upper end of the sliding block (304) is fixedly connected to the outer wall of the moving ring (301). The drive motor (306) is detachably connected to the outer wall of the mounting base plate (100). The drive motor (306) is detachably connected to one end of the drive screw (305).

6. The polyurethane foam insulation pipe foaming material filling device according to claim 5, characterized in that, The filling assembly includes an output tube (401), a plug-in disc body (402), and a bubble outlet (403). The output end of the high-pressure foaming machine (400) is detachably connected to the output tube (401), and the end of the output tube (401) is detachably connected to the plug-in disc body (402). The outer wall of the plug-in disc body (402) is provided with multiple bubble outlets (403).

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