CN213533467U

CN213533467U - Double-tube foaming device

Info

Publication number: CN213533467U
Application number: CN202021463767.5U
Authority: CN
Inventors: 王春生; 魏健; 康维松
Original assignee: Tianjin Jineng Pipe Co ltd
Current assignee: Tianjin Jineng Pipe Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-06-25
Anticipated expiration: 2030-07-23

Abstract

The utility model provides a double-pipe foaming device, which comprises an electric power box, wherein a PLC is electrically installed inside the electric power box, the surface of the electric power box and the input end positioned on the PLC are electrically connected with a timer through a wire, and the upper end of the electric power box is welded with a shell; the shell of the shell is of a hollow structure, the inner wall of the shell is provided with a refrigeration pipe in an embedding and winding manner, and the outer walls of the two ends of the refrigeration pipe and the lower end of the shell are respectively provided with a seal in a penetrating manner; and an electric heating piece is adhered to the outer side wall of one side of the refrigerating pipe and positioned on the inner wall of the shell, and the electric heating piece is connected to the output end of the PLC through the first driving module. The utility model discloses foaming chamber, the setting of closing cap and exocoel realizes collocation with external regulation structure and inside cavity, avoids the great experimental result that leads to of current structure experiment environment and actual environment difference inaccurate to lead to needing the secondary experiment, produces the problem of manpower consumption and wasting of resources.

Description

Double-tube foaming device

Technical Field

The utility model belongs to the technical field of double-barrelled foaming device, especially, relate to a double-barrelled foaming device.

Background

The double-pipe PERT II type heat preservation pipe is also called a PERT II type prefabricated direct-buried heat preservation pipe and adopts the raw material of imported heat-resistant polyethylene (PE-RT II), and the double-pipe PERT II type heat preservation pipe comprises three layers: the outer layer of the HDPE high-density polyethylene pipe, the heat-insulating interlayer of the hard polyurethane foam plastic and the working pipe made of the heat-resistant polyethylene material, and the PERT heat-insulating pipe has the advantages of good heat-insulating effect, environmental protection and recyclable materials; the pipeline has the advantages of good flexibility, long service life and the like, so that the light egg is applied to the fields of urban central heating, commercial buildings, municipal engineering, purified water and the like.

The foaming quality of the double pipe determines the overall heat insulation quality of the heat insulation pipe, so that the double pipe is an important step in the manufacturing process of the double pipe, before the foaming body is formally poured into a pipe body, the liquid polyurethane consumption of the polyurethane heat insulation layer is calculated according to the gap and the length between the steel pipe and the outer protective pipe, and the mixing ratio of A, B components is determined according to the heat-resistant temperature requirement of the heat insulation layer; determining the foaming time according to the environment temperature and the pouring amount, and performing formal construction after the determination of the experiment, wherein the device determined by the experiment is a double-tube foaming device belonging to a foaming device; but the existing double-tube foaming device still has the problems of uncontrollable integral experimental environment and larger error of experimental effect and actual operation effect.

Therefore, it is necessary to invent a double tube foaming device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a double-barrelled foaming device to solve current double-barrelled foaming device and still having whole experimental environment uncontrollable, the great problem of error of experiment effect and actual operation effect. A double-tube foaming device comprises an electric box, wherein a PLC is electrically installed inside the electric box, the surface of the electric box and the input end of the PLC are electrically connected with a timer through a wire, and the upper end of the electric box is welded with a shell; the shell of the shell is of a hollow structure, the inner wall of the shell is provided with a refrigeration pipe in an embedding and winding manner, and the outer walls of the two ends of the refrigeration pipe and the lower end of the shell are respectively provided with a seal in a penetrating manner; an electric heating piece is adhered to the outer side wall of one side of the refrigerating pipe and positioned on the inner wall of the shell, and the electric heating piece is connected to the output end of the PLC through a first driving module; a cavity is arranged in the shell, a rectangular groove is formed in the bottom surface of the shell, a foaming cavity is connected with a concave-convex groove in the surface of the shell, and a sealing cover is hermetically clamped on the upper surface of the foaming cavity; the surface of the sealing cover is provided with a plurality of feed inlets for connecting an external material transmission pipe, the surfaces of the feed inlets are respectively provided with a flow valve for controlling the flow of materials flowing through the interior of the feed inlets, and the flow valve is electrically connected with an output port of the PLC through a second driving module; a temperature sensor for detecting the real-time temperature in the foaming cavity is arranged on one side of the feeding hole and on the surface of the sealing cover in a penetrating manner, the temperature sensor is electrically connected with one port of the input end of the PLC, and a temperature probe is arranged at the bottom end of the temperature sensor and on the middle upper part of the inner periphery of the foaming cavity; the other side of feed inlet is located the upper surface through of closing cap and installs the booster, and the pressure boost port of booster runs through the surface of closing cap and sets up and enclose upper portion in the foaming chamber, and the booster passes through third drive module electric connection at the PLC output.

The shell is made of stainless steel with a barrel-shaped structure, and a natural rubber sealing gasket with an annular structure is embedded on the periphery of the upper end of the shell; the sealing cover is made of stainless steel with a circular structure, a natural rubber sealing gasket with an annular structure and used for being attached to the outer wall of the shell is adhered to the upper end of the inner wall of the sealing cover, and the sealing cover is in a sealing state after being connected with the shell.

The foaming cavity is made of stainless steel with a circular structure, the upper end face of the foaming cavity is 2-3cm higher than the upper end face of the shell, and the radius of the outer wall of the foaming cavity is equal to that of the inner wall of the shell; the temperature sensor adopts a PT100 temperature sensor; the PLC adopts Siemens S7-200 PLC; the timer adopts a T65-T68 Siemens timer, and is used for controlling the power-off work of the device within a set time range; the flow valve adopts a Fabeoot flow regulating valve; the supercharger adopts a DK pneumatic booster pump.

The electric heating piece adopts the graphite alkene electric heating piece of rectangle structure, and the lateral wall laminating of the outer wall of electric heating piece and refrigeration pipe, the lateral wall of the inner wall laminating shell of electric heating piece.

The refrigeration pipes are rubber and plastic heat-insulation pipes with tubular structures, and every two refrigeration pipes are connected end to end and arranged in the shell in a surrounding mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses the setting in foaming chamber realizes simulating the foaming through internal environment, ensures the whole experimental factor controllability of device, for the user brings the experimental environment that is closest to actual operation environment, ensures the accurate nature of device use, and the reduction error produces.

2. The utility model discloses the arrangement of closing cap realizes collocation with outside regulation structure and inside cavity, avoids the unsafe problem of experimental result that current structure experiment environment and actual environment difference are great to lead to, improves the overall reliability of device, avoids because the time consumption that the experiment leads to many times.

3. The utility model discloses the setting of exocoel adopts linking up the structure and for the user brings comparatively stable experience of doing work, avoids because do work the problem that work efficiency is low that does work and does not link up and arouse, and the optimization uses and experiences.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the closure of fig. 1 according to the present invention.

Fig. 3 is a schematic top view of the external chamber of fig. 1 according to the present invention.

Fig. 4 is a schematic view of the appearance structure of the novel refrigeration tube in fig. 3.

In the figure:

1-power box, 2-external cavity, 3-seal, 4-foaming cavity, 5-seal cover, 51-temperature sensor, 52-feed inlet, 53-flow valve, 54-supercharger, 6-timer, 7-refrigeration pipe, 8-electric heating piece.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in figures 1 to 4.

The utility model provides a double-pipe foaming device, which comprises an electric box 1, wherein a PLC is electrically installed in the electric box 1, the surface of the electric box 1 and the input end positioned on the PLC are electrically connected with a timer 6 through a wire, and the upper end of the electric box 1 is welded with a shell 2; the shell of the shell 2 is of a hollow structure, the inner wall of the shell 2 is provided with a refrigeration pipe 7 in an embedding and winding manner, and the outer walls of the two ends of the refrigeration pipe 7 and the lower end of the shell 2 are respectively provided with a seal 3 in a penetrating manner; an electric heating piece 8 is adhered to the outer side wall of one side of the refrigerating pipe 7, which is positioned on the inner wall of the shell 2, and the electric heating piece 8 is connected to the output end of the PLC through a first driving module; a cavity is arranged in the shell 2, a rectangular groove is formed in the bottom surface of the shell 2, a foaming cavity 4 is connected with a concave-convex groove in the surface of the shell 2, and a sealing cover 5 is hermetically clamped on the upper surface of the foaming cavity 4; the surface of the sealing cover 5 is provided with a plurality of feed inlets 52 for connecting an external material transmission pipe, the surface of each feed inlet 52 is respectively provided with a flow valve 53 for controlling the flow of the material flowing through the interior of the feed inlet 52, and each flow valve 53 is electrically connected to an output port of the PLC through a second driving module; a temperature sensor 51 for detecting the real-time temperature in the foaming cavity 4 is arranged on one side of the feeding hole 52 and on the surface of the sealing cover 5 in a penetrating manner, the temperature sensor 51 is electrically connected with one port of the input end of the PLC, and a temperature probe is arranged at the bottom end of the temperature sensor 51 and on the middle upper part of the inner periphery of the foaming cavity 4; the other side of the feed inlet 52 is located on the upper surface of the sealing cover 5 and is provided with a supercharger 54 in a penetrating manner, a supercharging port of the supercharger 54 penetrates through the surface of the sealing cover 5 and is arranged on the upper part of the inner periphery of the foaming cavity 4, and the supercharger 54 is electrically connected to the output end of the PLC through a third driving module.

The user turns the device on the external control power source, and the estimated A, B ingredient usage amount is connected to the inside of the feed port 52 through the transfer tube, according to the pressure intensity after the sealing between the pipe bodies is determined by technicians according to the gap between the steel pipe and the outer protecting pipe, the pressure of the pressure booster 54 is adjusted through a control structure matched with the pressure booster 54, and the pressure value inside the foaming cavity 4 displayed by a pressure valve arranged on the pressure booster 54 is confirmed, then heating or refrigerating is carried out according to the actual environment temperature, when in a heating state, a Zhengtai button switch externally connected to the input end of the PLC controls the power supply of the electric heating piece 8 to be conducted, the electric heating piece 8 transmits heat to the inside of the foaming cavity 4 after heating, a detection probe of the temperature sensor 51 detects the temperature inside the foaming cavity 4, the numerical value is converted into a transmission electric signal to be transmitted to the PLC, and the transmission electric signal is converted into a digital signal by the PLC and displayed on the surface of an LED display screen externally connected with the temperature sensor; during refrigeration, a user connects a transmission pipe for transmitting refrigeration gas from the outside to one end of a refrigeration pipe 7 in a screwing manner, the other end of the refrigeration pipe 7 needs to be kept airtight through a seal 3, after the refrigeration gas enters the refrigeration pipe 7, the refrigeration pipe 7 influences a foaming cavity 4 to realize cooling, real-time temperature inside the foaming cavity 4 is transmitted to an external display screen through a temperature sensor 51, then the flow speed of the material is respectively adjusted through a flow valve 53, after the material enters an experimental environment, countdown is set through a timer 6, after the countdown is finished, a PLC receives an input signal sent by the timer 6, and controls an output end structure to cut off power, the user can see the foaming effect under the experimental environment by opening a seal cover 5, and then adjustment or formal construction is carried out.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a double-barrelled foaming device, includes power box (1), has PLC, its characterized in that at the inside electrical installation of power box (1): the surface of the power box (1) and the input end of the PLC are electrically connected with a timer (6) through a wire, and the upper end of the power box (1) is welded with a shell (2); the shell of the shell (2) is of a hollow structure, the inner wall of the shell (2) is provided with a refrigeration pipe (7) in an embedding and winding manner, and the outer walls of the two ends of the refrigeration pipe (7) and the lower end of the shell (2) are respectively provided with a seal (3) in a penetrating manner; an electric heating piece (8) is adhered to the outer side wall of one side of the refrigerating pipe (7) and positioned on the inner wall of the shell (2), and the electric heating piece (8) is connected to the output end of the PLC through a first driving module; a cavity is formed in the shell (2), a rectangular groove is formed in the bottom surface of the shell (2), a foaming cavity (4) is connected to a concave-convex groove in the surface of the shell (2), and a sealing cover (5) is hermetically clamped on the upper surface of the foaming cavity (4); the surface of the sealing cover (5) is provided with a plurality of feed inlets (52) for connecting an external material transmission pipe, the surface of each feed inlet (52) is respectively provided with a flow valve (53) for controlling the flow of materials flowing through the interior of the feed inlet (52), and each flow valve (53) is electrically connected to an output port of the PLC through a second driving module; a temperature sensor (51) for detecting the real-time temperature in the foaming cavity (4) is installed on one side of the feeding hole (52) and positioned on the surface of the sealing cover (5) in a penetrating mode, the temperature sensor (51) is electrically connected with one port of the input end of the PLC, and a temperature probe is arranged at the bottom end of the temperature sensor (51) and positioned on the middle upper portion of the inner periphery of the foaming cavity (4); the other side of feed inlet (52) is located the upper surface through mounting of closing cap (5) and has booster (54), and the pressure boost port of booster (54) runs through the surface of closing cap (5) and sets up and enclose upper portion in foaming chamber (4), and booster (54) pass through third drive module electric connection at the PLC output.

2. The double tube foaming device according to claim 1, wherein: the shell (2) is made of stainless steel with a barrel-shaped structure, and a natural rubber sealing gasket with an annular structure is embedded on the periphery of the upper end of the shell (2); the sealing cover (5) is made of stainless steel with a circular structure, the upper end of the inner wall of the sealing cover (5) is adhered with a natural rubber sealing gasket which is used for being attached to the outer wall of the shell (2) and has an annular structure, and the sealing cover (5) is in a sealing state after being connected with the shell (2).

3. The double tube foaming device according to claim 1, wherein: the foaming cavity (4) is made of stainless steel with a circular structure, the upper end face of the foaming cavity (4) is 2-3cm higher than the upper end face of the shell (2), and the radius of the outer wall of the foaming cavity (4) is equal to that of the inner wall of the shell (2); the temperature sensor (51) adopts a PT100 temperature sensor; the PLC adopts S7-200 PLC; the timer (6) adopts a T65-T68 timer, and the timer (6) is used for controlling the power-off operation of the device within a set time range; the flow valve (53) adopts a flow regulating valve; the supercharger (54) adopts a DK pneumatic booster pump.

4. The double tube foaming device according to claim 1, wherein: the electric heating piece (8) adopts a graphene electric heating piece with a rectangular structure, the outer wall of the electric heating piece (8) is attached to the side wall of the refrigerating pipe (7), and the inner wall of the electric heating piece (8) is attached to the side wall of the shell (2).

5. The double tube foaming device according to claim 1, wherein: the refrigeration pipes (7) are rubber and plastic heat-insulation pipes of tubular structures, and every two refrigeration pipes (7) are connected end to end and are arranged in the shell (2) in a surrounding mode.