A composite thermal insulation pipe continuous production device

Abstract

The present invention provides a composite thermal insulation pipe continuous production device, including a feeding mechanism, a conveying mechanism arranged on the right side of the feeding mechanism, an introduction and forming mechanism arranged on the right side of the conveying mechanism, a bracket installation mechanism located on the front upper surface of the introduction and forming mechanism, a temperature pretreatment mechanism arranged on the introduction and forming mechanism, a aging and shaping mechanism arranged on the right side of the introduction and forming mechanism, a welding and forming mechanism arranged on the introduction and forming mechanism close to one end of the aging and shaping mechanism, a pouring mechanism arranged on the front side of the introduction and forming mechanism, and a control mechanism arranged on the pouring mechanism. In the present invention, when the working pipe and the outer protective material body pass through the introduction and forming mechanism, the pouring mechanism can be used to inject a foaming agent into the space between the working pipe and the outer protective material body. Different from the traditional thermal insulation pipe production method, there is no need to manually install a bracket or use a foaming platform to center the working pipe and the outer protective pipe, thereby realizing the continuous production of composite thermal insulation pipes, greatly improving production efficiency and reducing production costs.

Description

Technical Field

[0001] The invention relates to the technical field of composite thermal insulation pipe production, and in particular to a composite thermal insulation pipe continuous production device. Background Art

[0002] Insulated pipe is the abbreviation of insulated pipe. Insulated pipe is used for the transportation of liquids, gases and other media, and is used for insulation of pipelines in petroleum, chemical, aerospace, hot springs, military, central heating, central air conditioning, municipal and other fields.

[0003] The insulation pipe is divided into three layers from the inside to the outside: the first layer: the working steel pipe layer, which is generally made of seamless steel pipe, spiral steel pipe and straight seam steel pipe according to the design and customer requirements. After the surface of the steel pipe is treated with advanced shot blasting and rust removal technology, the rust removal level of the steel pipe can reach Sa2 level in the GB8923-1988 standard, and the surface roughness can reach R = 12.5 microns in the GB6060.5-88 standard; the second layer: the polyurethane insulation layer, which is formed by injecting hard polyurethane foam plastic stock liquid into the cavity formed between the steel pipe and the outer sheath at one time with a high-pressure foaming machine, which is commonly known as "tube-in-tube foaming"; the third layer: the high-density polyethylene protective layer, which is prefabricated into a black or yellow polyethylene plastic pipe with a certain wall thickness. Its function is to protect the polyurethane insulation layer from damage by mechanical hard objects, and to prevent corrosion and waterproof.

[0004] Thermal insulation pipes are an important factor affecting energy conservation. The development and application of thermal insulation pipes are increasingly valued by countries around the world. After the 1970s, foreign countries generally attached importance to the production and application of thermal insulation pipes, striving to significantly reduce energy consumption, thereby reducing environmental pollution and greenhouse effect. The foreign thermal insulation industry has a long history, and new thermal insulation materials are constantly emerging. Before 1980, the development of thermal insulation pipes in my country was very slow, and the few thermal insulation factories could only produce a small amount of underground direct-buried thermal insulation pipes. However, after more than 30 years of efforts, especially after nearly 10 years of rapid development, many products have been developed from scratch, from single to diversified, and from low to high quality, and their applications are becoming more and more common. Polyurethane materials are currently the most commonly used thermal insulation materials in the world. Rigid polyurethane has many excellent properties and is widely used in the field of thermal insulation in Europe and the United States. About 49% of the thermal insulation materials in developed countries such as Europe and the United States are polyurethane materials, while this proportion in China is less than 20%.

[0005] At present, in the process of producing thermal insulation pipes, usually a bracket is first installed and fixed on the working pipe, and then the outer protective pipe and the working pipe are sheathed together, and the bracket is used to center the outer protective pipe and the working pipe, and then the insulation material is poured. The bracket is a disposable consumable in the production of thermal insulation pipes (generally installed and used on the working pipe at a spacing of 0.5-1 meters). It plays a supporting and centering role before the injection of polyurethane. After the injection of polyurethane, the polyurethane foams and wraps it in the insulation layer to form a whole with the product. The cost of a single bracket is low and there is no value in reuse, but the cost expenditure of consuming the bracket in mass production is also huge; in the production of large-diameter pipes, the working pipe and the outer protective pipe can also be sheathed together and then installed into the foaming platform, and the foaming platform is used to center the outer protective pipe and the working pipe, and then the insulation material is poured; no matter which production method is used, the production process is complicated, time-consuming and labor-intensive, continuous production cannot be carried out, and the production efficiency is low. Summary of the invention

[0006] The invention provides a composite thermal insulation pipe continuous production device, which is used to solve the current process of producing thermal insulation pipes, in which a bracket is usually installed and fixed on a working pipe first, and then an outer protective pipe and the working pipe are sheathed together, and the bracket is used to center the outer protective pipe and the working pipe, and then the thermal insulation material is poured; when producing large-diameter pipes, the working pipe and the outer protective pipe can also be sheathed together first and then installed on a foaming platform, and the foaming platform is used to center the outer protective pipe and the working pipe, and then the thermal insulation material is poured; no matter which production method is used, the production process is complicated, time-consuming and labor-intensive, continuous production cannot be carried out, and the production efficiency is low. Technical problems.

[0007] In order to solve the above technical problems, the present invention discloses a continuous production device for composite thermal insulation pipes, comprising: a feeding mechanism, a conveying mechanism, an introduction and forming mechanism, a bracket installation mechanism, a temperature pretreatment mechanism, a welding and forming mechanism, a pouring mechanism, a aging and shaping mechanism, a pipe cutting mechanism, a down-line mechanism and a control mechanism, wherein the conveying mechanism is arranged on the right side of the feeding mechanism, the introduction and forming mechanism is arranged on the right side of the conveying mechanism, the bracket installation mechanism is located on the front upper surface of the introduction and forming mechanism, the temperature pretreatment mechanism is arranged on the introduction and forming mechanism, the aging and shaping mechanism is arranged on the right side of the introduction and forming mechanism, the welding and forming mechanism is arranged on the introduction and forming mechanism near one end of the aging and shaping mechanism, the pipe cutting mechanism is arranged on the right side of the aging and shaping mechanism, the down-line mechanism is arranged on the right side of the pipe cutting mechanism, the pouring mechanism is arranged on the front side of the introduction and forming mechanism, and a control mechanism is arranged on the pouring mechanism.

[0008] Preferably, the feeding mechanism comprises:

[0009] a first support frame;

[0010] A conveying roller, wherein the conveying roller is arranged on the first supporting frame, and a plurality of working tubes are arranged on the conveying roller, and two adjacent working tubes are connected by at least one of a plugging connection and a tape connection;

[0011] An outer protective material roll holder is arranged on the right side of the first support frame. There are several outer protective material roll holders, each of which is provided with an outer protective material body. The outer protective material body is located below the working tube, and the end of one of the outer protective material bodies is connected to the head end of the outer protective material body adjacent to the right side.

[0012] Preferably, the conveying mechanism comprises:

[0013] A mounting bracket, the mounting bracket is composed of a plurality of connecting rods, and the upper surface of the mounting bracket is provided with four long holes;

[0014] A conveying box, wherein the conveying box is arranged inside the mounting bracket, and box adjustment screws are arranged at four corners of the upper surface of the conveying box, one end of the box adjustment screw is fixedly connected to the upper surface of the conveying box, and the other end of the box adjustment screw extends into the elongated hole and slides along the inner wall of the elongated hole, and a nut is arranged at the upper end of the box adjustment screw, and the nut is threadedly connected to the upper end of the box adjustment screw, and a gap is arranged between the lower surface of the conveying box and the mounting bracket, and the outer protective material body passes through the gap and extends to the side of the conveying box away from the feeding mechanism;

[0015] A reducer, wherein the reducer is arranged on one side of the conveying box, and one end of the reducer is fixedly connected to the side wall of the conveying box;

[0016] A motor, the motor is arranged on the upper surface of the reducer, and the motor is drivingly connected to the reducer;

[0017] A transmission wheel assembly, the transmission wheel assembly is arranged on the upper surface of the conveying box body, and the transmission wheel assembly is transmission-connected to the reducer;

[0018] A first wheel axle, the first wheel axle is arranged at one side of the inside of the conveying box, one end of the first wheel axle is rotatably connected to the bottom wall of the conveying box, the other end of the first wheel axle passes through the upper surface of the conveying box and is transmission-connected to the transmission wheel assembly, the first wheel axle is rotatably connected to the upper surface of the conveying box, and a first conveying wheel is arranged on the first wheel axle;

[0019] The second wheel shaft is arranged on a side of the conveying box body away from the first wheel shaft, the second wheel shaft is provided with a second conveying wheel, the second conveying wheel and the first conveying wheel are at the same height, the working tube is located between the first conveying wheel and the second conveying wheel, the outer wall of the working tube is respectively in contact with the outer wall of the first conveying wheel and the outer wall of the second conveying wheel, and the second conveying wheel is connected with a spacing adjustment mechanism, and the spacing adjustment mechanism includes: a first slide groove, a second slide groove, a lower slider, an upper slider, a fixing block and a first screw. The first slide groove is arranged on the lower side wall of the conveying box body, the second slide groove is arranged on the upper side wall of the conveying box body, the lower slider is arranged in the first slide groove and is slidably connected to the first slide groove, the upper slider is arranged in the second slide groove and is slidably connected to the second slide groove, the upper and lower ends of the second wheel shaft are respectively rotatably connected to the upper slider and the lower slider, the fixing block is arranged on the upper surface of the conveying box body, one end of the first screw is rotatably connected to the side wall of the upper slider, and the other end of the first screw is threadedly connected to the fixing block.

[0020] Preferably, the introduction forming mechanism comprises:

[0021] A second support frame, the second support frame is located on the right side of the conveying mechanism;

[0022] An introduction component, wherein the introduction component is arranged on the upper surface of the second support frame, the introduction component includes a first guide wheel component, a second guide wheel component, a third guide wheel component and a fourth guide wheel component, the second guide wheel component is arranged on the right side of the first guide wheel component, the third guide wheel component is arranged on the right side of the second guide wheel component, and the fourth guide wheel component is arranged on the right side of the third guide wheel component, the first guide wheel component includes a first roller and a second roller arranged horizontally, the first roller is located above the second roller, the upper surface of the first roller contacts the lower surface of the working tube, and the upper surface of the second roller contacts the lower surface of the outer protection material body, the second guide wheel component includes two symmetrically arranged third rollers, the two third rollers are arranged in a V shape, and the angle between the two third rollers is adjustable, the third guide wheel component includes a fourth roller and two fifth rollers, the fourth roller is arranged horizontally, the two fifth rollers are arranged vertically, and the two fifth rollers are symmetrical about the center of the fourth roller, the fourth guide wheel component includes three sixth rollers, the three sixth rollers are arranged in a triangular shape, and one of the sixth rollers is arranged horizontally;

[0023] The forming component is arranged on the upper surface of the second support frame, and the forming component is located on the right side of the introduction component. The forming component includes a screw seat, a limit screw, a support wheel group and a side limit guide wheel. The screw seat is perpendicular to the working tube, and the working tube passes through the center of the screw seat. There are multiple groups of limit screws along the axis direction of the working tube, and each group of limit screws is evenly arranged along the circumference of the working tube. The limit screw is threadedly connected to the screw seat at one end away from the working tube, and the lower end of the support wheel group is fixedly connected to the upper surface of the second support frame, and the support wheel groups are arranged at equal intervals on the upper surface of the second support frame. Rollers are arranged on the upper end of the support wheel group, and the outer wall of the roller contacts the outer protective material body. The arc of the outer wall of the roller matches the arc segment of the cross-section of the working tube. The side limit guide wheel is arranged above the support wheel group, and two side limit guide wheels are provided, and the two side limit guide wheels are respectively in contact with the two side walls of the outer protective material body.

[0024] Preferably, the temperature pretreatment mechanism comprises:

[0025] A first heating assembly, the first heating assembly is arranged at the introduction assembly, the first heating assembly comprises a plurality of first heating devices, the plurality of first heating devices are arranged at intervals outside the working tube located on the introduction assembly, the first heating device heats the working tube and the outer sheath material body by either a surrounding heating method or a unidirectional heating method;

[0026] The second heating component is arranged at the forming component, and the second heating component includes a high-temperature shield, which is arranged outside the forming component and is connected to a second heating device.

[0027] Preferably, the welding forming mechanism comprises:

[0028] A fixing plate, the fixing plate being vertically arranged at the right end of the introduction and forming mechanism, and a through hole for the working tube and the outer covering material body to pass through is arranged at the center of the fixing plate;

[0029] A cylinder, wherein the cylinder is arranged on the right side wall of the fixed plate, and a welding pressure wheel is arranged at the lower end of the cylinder;

[0030] An adjustment seat, the adjustment seat is arranged on the left side wall of the fixing plate, a welding gun is arranged on the adjustment seat, and the welding gun is located above the side of the welding opening of the outer protection material body;

[0031] A welding inner support frame, wherein the welding inner support frame is connected to the side wall of the fixing plate through a first connecting arm, the welding inner support frame is located below the welding pressure wheel, and the welding inner support frame is cantilevered from the opening of the outer protective material body into the space between the outer protective material body and the working tube to below the welding gun;

[0032] A welding auxiliary positioning piece is arranged on the left side of the fixing plate through a second connecting arm. Angle guide grooves are opened on both sides of the welding auxiliary positioning piece. The edges to be welded of the outer protective material body enter from the guide grooves and are led out respectively.

[0033] Preferably, a thermal insulation layer is provided between the inner wall of the outer protective material body and the outer wall of the working tube, and the thermal insulation layer is made by the perfusion mechanism. The perfusion mechanism includes a polyurethane foaming machine, and the perfusion position of the perfusion mechanism is either an open perfusion position or a closed perfusion position. The open perfusion position is located between the fourth guide wheel assembly and the forming assembly, and the closed perfusion position is located between the forming assembly and the aging and shaping mechanism.

[0034] Preferably, the ripening and shaping mechanism comprises:

[0035] A third support frame, the third support frame is located on the right side of the second support frame;

[0036] A heating and heat preservation shield, wherein the heating and heat preservation shield is arranged on the upper surface of the third support frame, a second through hole is arranged inside the heating and heat preservation shield along the length direction of the heating and heat preservation shield, a hot air blower is arranged outside the heating and heat preservation shield, and the hot air blower is connected to the inside of the heating and heat preservation shield through a connecting pipe;

[0037] A shaping component, wherein the shaping component is arranged inside the heating and heat preservation shield, and the shaping component includes a first bracket, a mounting plate, a mounting block, a second screw, a connecting block and a rotating wheel. The lower end of the first bracket is fixedly connected to the upper surface of the third support frame, the mounting plate is arranged at the upper end of the first bracket, and a plurality of mounting blocks are distributed in an array on the side wall of the mounting plate. A second screw is arranged in the mounting block, and the second screw is threadedly connected to the mounting block. A connecting block is arranged on one end of the second screw toward the working tube, and the connecting block is rotatably connected to the second screw. A rotating wheel is arranged in the connecting block, and the rotating wheel contacts the outer wall of the outer protective material body toward the working tube.

[0038] Preferably, the control mechanism comprises:

[0039] A frequency converter, wherein the frequency converter is arranged on the polyurethane foaming machine and is electrically connected to the motor;

[0040] A flow rate sensor, the flow rate sensor is arranged at the open filling position, and is used to detect an actual filling rate at the open filling position;

[0041] A first controller, wherein the first controller is arranged on the polyurethane foaming machine, and the first controller is electrically connected to the frequency converter and the flow rate sensor respectively;

[0042] The first controller controls the operation of the frequency converter based on the detection value of the flow rate sensor, comprising the following steps:

[0043] Step 1: Based on the detection value of the flow rate sensor, the target frequency of the motor is calculated by formula (1):

[0044]

[0045] Among them, f 1 is the target frequency of the motor, v 1 is the actual filling rate at the open filling position detected by the flow rate sensor, v 2 is the preset injection speed at the open injection position, n 2 is the preset speed of the first wheel shaft, H 1 is the reduction ratio of the reducer, P is the preset number of pole pairs of the rotating magnetic field of the motor, η 1 is the working efficiency of the motor, η 2 is the transmission efficiency of the transmission wheel assembly;

[0046] Step 2: Based on the calculation result of formula (1), the first controller controls the inverter to operate, and the inverter adjusts the frequency of the motor. The inverter adjusts the actual frequency of the motor to the target frequency of the prime motor.

[0047] Preferably, it also includes:

[0048] A first pressure sensor, the first pressure sensor is arranged on the inner wall of the high temperature shield, and is used to detect the pressure of the inner wall of the high temperature shield;

[0049] A second pressure sensor, the second pressure sensor is arranged on the outer wall of the high temperature shield, and is used to detect the pressure of the outer wall of the high temperature shield;

[0050] A temperature sensor, the temperature sensor being arranged on the inner wall of the high temperature shield and used for detecting the real-time temperature inside the high temperature shield;

[0051] A timer, the timer is arranged outside the first support frame, the timer is electrically connected to the temperature sensor, and the timer is used to record the time taken for the temperature of the inner wall of the high-temperature shield to drop from a preset maximum temperature to a preset minimum temperature;

[0052] An alarm, the alarm being arranged on an outer side wall of the first supporting frame;

[0053] A second controller, the second controller is arranged on the outer side wall of the first support frame, and the second controller is electrically connected to the first pressure sensor, the second pressure sensor, the temperature sensor, the timer and the alarm respectively;

[0054] The second controller controls the alarm to work based on the detection results of the first pressure sensor, the second pressure sensor, the temperature sensor, and the timer, including the following steps:

[0055] Step 11: Based on the detection values ​​of the temperature sensor and the timer, the natural cooling rate of the air inside the high temperature shield is calculated by formula (2):

[0056]

[0057] Among them, Q 1 is the natural cooling rate of the air inside the high temperature shield, C 1 is the specific heat capacity of the air in the high temperature shield, ρ 1 is the density of the air in the high temperature shield, V 1 is the volume inside the high temperature shield, K 2 is the preset maximum temperature in the high temperature shield, K 1 is the preset minimum temperature in the high temperature shield, t 1 The time taken by the timer to reduce the temperature of the inner wall of the high-temperature shield from a preset maximum temperature to a preset minimum temperature;

[0058] Step 12: Based on the calculation result of formula (2) and the detection values ​​of the first pressure sensor and the second pressure sensor, the actual life value of the high temperature shield is calculated by formula (3):

[0059]

[0060] Among them, T 1 is the actual life value of the high temperature shield, B 1 The shape coefficient of the cracks on the surface of the high temperature shield is preset, P 2 is the pressure of the inner wall of the high temperature shield detected by the first pressure sensor, P 1 is the pressure of the outer wall of the high temperature shield detected by the second pressure sensor, P 0 is the preset pressure difference between the inner and outer walls of the high temperature shield, L 1 is the height of the high temperature shield, δ 1is the thickness of the inner wall of the high temperature shield, L 2 The preset length of the crack on the surface of the high temperature shield, Q 2 is the preset natural cooling rate of the high temperature shield, δ 2 Presetting a preset depth of cracks on the surface of the high-temperature shield;

[0061] Step 13: Based on the calculation result of formula (3), the second controller compares the actual life value of the high-temperature shield with the preset life value of the high-temperature shield. When the actual life value of the high-temperature shield is greater than the preset life value of the high-temperature shield, the second controller controls the alarm to issue an alarm prompt.

[0062] The technical solution of the present invention has the following advantages: the present invention provides a composite thermal insulation pipe continuous production device, including a feeding mechanism, a conveying mechanism arranged on the right side of the feeding mechanism, an introduction and forming mechanism arranged on the right side of the conveying mechanism, a bracket installation mechanism located on the front upper surface of the introduction and forming mechanism, a temperature pretreatment mechanism arranged on the introduction and forming mechanism, a aging and shaping mechanism arranged on the right side of the introduction and forming mechanism, a welding and forming mechanism arranged on the introduction and forming mechanism close to one end of the aging and shaping mechanism, a pouring mechanism arranged on the front side of the introduction and forming mechanism, and a control mechanism arranged on the pouring mechanism. In the present invention, while the working pipe and the outer protective material body pass through the introduction and forming mechanism, the pouring mechanism can be used to inject a foaming agent into the space between the working pipe and the outer protective material body, which is completely different from the traditional thermal insulation pipe production method, and does not require the use of manual installation of brackets or the use of a foaming platform to center the working pipe and the outer protective pipe, thereby realizing the continuous production of composite thermal insulation pipes, greatly improving production efficiency and reducing production costs.

[0063] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the devices particularly pointed out in the written description and the drawings of the description.

[0064] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0066] Figure 1 This is a schematic diagram of the device layout of a continuous production device for composite thermal insulation pipes of the present invention (production direction is from left to right);

[0067] Figure 2 It is a schematic diagram of the structure of the thermal insulation pipe in the present invention;

[0068] Figure 3 It is a schematic diagram of the feeding mechanism in the present invention;

[0069] Figure 4 It is a schematic diagram of the conveying mechanism in the present invention;

[0070] Figure 5 For the present invention Figure 4 Enlarged view of point A in the middle;

[0071] Figure 6 It is a schematic diagram of the structure of the conveying mechanism in the present invention;

[0072] Figure 7 It is a schematic diagram of the introduction forming mechanism in the present invention;

[0073] Figure 8 This is a schematic diagram of the components introduced in the present invention;

[0074] Fig. 9 It is the front view and the left view of the forming component in the present invention;

[0075] Fig.10 It is a schematic diagram of the temperature pretreatment mechanism in the present invention;

[0076] Fig.11 It is a front view of the welding forming mechanism in the present invention;

[0077] Fig.12 It is a left view of the welding forming mechanism in the present invention;

[0078] Fig.13 It is a schematic diagram of the injection position in the present invention;

[0079] Fig.14 It is a schematic diagram of the ripening and shaping mechanism in the present invention;

[0080] Fig.15 It is a schematic diagram of the shaping component in the present invention.

[0081] In the figure: 1, feeding mechanism; 2, conveying mechanism; 3, introduction and forming mechanism; 4, bracket installation mechanism; 5, temperature pretreatment mechanism; 6, welding and forming mechanism; 7, pouring mechanism; 8, aging and shaping mechanism; 9, pipe cutting mechanism; 10, offline mechanism; 11, control mechanism; 101, first support frame; 102, conveying roller; 103, working pipe; 104, outer protection material roll support; 105, outer protection material body; 201, installation support; 2 02, long hole; 203, conveying box; 204, box adjustment screw; 205, reducer; 206, motor; 207, transmission wheel assembly; 208, first wheel shaft; 209, first conveying wheel; 210, second wheel shaft; 211, second conveying wheel; 212, first slide; 213, second slide; 214, lower slider; 215, upper slider; 216, fixed block; 217, first screw; 301, second support frame; 302 , introduction assembly; 303, first roller; 304, second roller; 305, third roller; 306, fourth roller; 307, fifth roller; 308, sixth roller; 309, screw seat; 310, limit screw; 311, support wheel group; 312, side limit guide wheel; 501, first heating device; 502, high temperature shield; 601, fixed plate; 602, cylinder; 603, welding pressure wheel; 604, adjustment seat; 605, welding Gun; 606, welding inner support frame; 607, first connecting arm; 608, welding auxiliary positioning piece; 609, second connecting arm; 701, insulation layer; 702, open pouring position; 703, closed pouring position; 801, third support frame; 802, heating and heat insulation shield; 803, shaping component; 804, first bracket; 805, mounting plate; 806, mounting block; 807, second screw; 808, connecting block; 809, rotating wheel. DETAILED DESCRIPTION

[0082] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0083] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0084] Embodiment 1:

[0085] The embodiment of the present invention provides a composite thermal insulation pipe continuous production device, such as Figure 1-Figure 15 As shown, it includes: a feeding mechanism 1, a conveying mechanism 2, an introduction and forming mechanism 3, a bracket installation mechanism 4, a temperature pretreatment mechanism 5, a welding and forming mechanism 6, a pouring mechanism 7, a aging and shaping mechanism 8, a pipe cutting mechanism 9, a down-line mechanism 10 and a control mechanism 11. The conveying mechanism 2 is arranged on the right side of the feeding mechanism 1, the introduction and forming mechanism 3 is arranged on the right side of the conveying mechanism 2, the bracket installation mechanism 4 is located on the front upper surface of the introduction and forming mechanism 3, the temperature pretreatment mechanism 5 is arranged on the introduction and forming mechanism 3, the aging and shaping mechanism 8 is arranged on the right side of the introduction and forming mechanism 3, the welding and forming mechanism 6 is arranged on the introduction and forming mechanism 3 near one end of the aging and shaping mechanism 8, the pipe cutting mechanism 9 is arranged on the right side of the aging and shaping mechanism 8, the down-line mechanism 10 is arranged on the right side of the pipe cutting mechanism 9, the pouring mechanism 7 is arranged on the front side of the introduction and forming mechanism 3, and the pouring mechanism 7 is provided with a control mechanism 11.

[0086] The working principle and beneficial effects of the above technical solution are as follows: the feeding mechanism 1 is located at the leftmost starting position of the device, and a working tube 103 and an outer protective material body 105 are arranged on the feeding mechanism 1. The feeding mechanism 1 can realize the continuous feeding function of the working tube 103 and the outer protective material body 105. The working tube 103 and the outer protective material body 105 can continuously enter the conveying mechanism 2 on the right through the feeding mechanism 1. The conveying mechanism 2 is the power device of the continuous production device, which can complete the conveying of the working tube 103 and the outer protective material body 105. An introduction and forming mechanism 3 is arranged on the right side of the conveying mechanism 2. The introduction and forming mechanism 3 can cover the outer protective material body 105 on the outside of the working tube 103, and in the introduction and forming mechanism 3 is provided with a welding forming mechanism 6, which can weld at the unclosed part of the outer protection material body 105, so that the outer protection material body 105 forms an outer protection tube, and a temperature pretreatment mechanism 5 is provided on the introduction forming mechanism 3, which can heat the workpiece on the introduction forming mechanism 3, and a perfusion mechanism 7 is provided on the front side of the introduction forming mechanism 3, which can perfuse the foaming agent when the working tube 103 and the outer protection material body 105 pass through the introduction forming mechanism 3, so as to form a heat preservation layer 701, and then a aging and shaping mechanism 8 is provided on the right side of the introduction forming mechanism 3, which can complete the aging and shaping of the heat preservation layer 701, and then the heat preservation tube after aging and shaping is transported to the tube cutting mechanism 9, which can cut the heat preservation tube The cut-to-length pipe operation can be performed manually or by using existing mature supporting products to realize the automatic cut-to-length pipe function. Manufacturers can choose according to their own needs. A down-line mechanism 10 is arranged on the right side of the pipe cutting mechanism 9. The down-line mechanism 10 is arranged at the very end of the continuous production device. The down-line mechanism 10 can be equipped with a simple guide wheel and a transmission mechanism and the products can be sorted, stacked and packaged manually, or it can be equipped with an existing mature automatic conveying and packaging system. In addition, when the working tube 103 and the outer protective material body 105 just enter the introduction forming mechanism 3, the outer protective material body 105 has just started to be shaped, and the working tube 103 is completely exposed, so it is necessary to set a bracket installation at the introduction forming mechanism 3. The bracket installation mechanism 4 can use mechanical automation to perform manual auxiliary feeding and complete the installation of the bracket, so as to support the working tube 103. A control mechanism 11 is arranged on the perfusion mechanism 7. The control mechanism 11 is composed of a plurality of electrical control components, and the plurality of electrical control components are integrated together. The control mechanism 11 can be connected with all electrical components in the continuous production device and control the electrical components to work, so as to realize the linkage operation of the whole set of continuous production devices. During the initial production, the production materials can be manually arranged on the continuous production device so that the production materials are arranged on the entire device, which is conducive to the development of continuous production. The present invention realizes the simultaneous movement of the working tube 103 and the outer protection material body 105 through the feeding mechanism 1 and the conveying mechanism 2.And while the foaming agent is introduced into the forming mechanism 3, the foaming agent can be injected into the space between the working tube 103 and the outer protective material body 105 by the pouring mechanism 7. This is completely different from the traditional thermal insulation pipe production method. There is no need to use manual installation brackets or use a foaming platform to center the working tube 103 and the outer protective tube, which realizes the continuous production of composite thermal insulation pipes, greatly improves production efficiency, and reduces production costs.

[0087] Example 2

[0088] On the basis of the above-mentioned embodiment 1, Figure 2 , Figure 3 As shown, the feeding mechanism 1 comprises:

[0089] A first support frame 101;

[0090] A conveying roller 102, wherein the conveying roller 102 is disposed on the first support frame 101, and a plurality of working tubes 103 are disposed on the conveying roller 102, and two adjacent working tubes 103 are connected by at least one of a plugging connection and a tape connection;

[0091] The outer protective material roll holder 104 is arranged on the right side of the first support frame 101. There are several outer protective material roll holders 104. The outer protective material roll holders 104 are all provided with outer protective material bodies 105. The outer protective material bodies 105 are located below the working tube 103, and the end of one of the outer protective material bodies 105 is connected to the head end of the outer protective material body 105 adjacent to the right side.

[0092] The working principle and beneficial effects of the above technical scheme are as follows: the working tube 103 is fed into the conveying mechanism 2 on the right by the conveying roller 102, and the process connection and positioning can be performed between two adjacent working tubes 103 by sealing or tape bonding, thereby ensuring the continuous feeding of the working tube 103 and preventing the insulation layer 701 from contaminating the inner cavity of the working tube 103 when foaming, and the outer protective material body 105 is used in the form of unwinding, and the outer protective material body 105 is wound on the outer protective material roll bracket 104, one roll of the outer protective material body 105 is used online, and the other roll of the outer protective material body 105 is on standby, and the two adjacent rolls of the outer protective material body 105 are connected head to tail, thereby ensuring the continuous feeding of the outer protective material body 105.

[0093] Example 3

[0094] On the basis of Example 2, Figure 4-Figure 6 As shown, the conveying mechanism 2 includes:

[0095] A mounting bracket 201, wherein the mounting bracket 201 is composed of a plurality of connecting rods, and four long holes 202 are arranged on the upper surface of the mounting bracket 201;

[0096] A conveying box 203, wherein the conveying box 203 is arranged inside the mounting bracket 201, and box adjustment screws 204 are arranged at four corners of the upper surface of the conveying box 203, one end of the box adjustment screw 204 is fixedly connected to the upper surface of the conveying box 203, and the other end of the box adjustment screw 204 extends into the elongated hole 202 and slides along the inner wall of the elongated hole 202, and a nut is arranged at the upper end of the box adjustment screw 204, and the nut is threadedly connected to the upper end of the box adjustment screw 204, and a gap is arranged between the lower surface of the conveying box 203 and the mounting bracket 201, and the outer protective material body 105 passes through the gap and extends to the side of the conveying box 203 away from the feeding mechanism 1;

[0097] A reducer 205, wherein the reducer 205 is disposed on one side of the conveying box 203, and one end of the reducer 205 is fixedly connected to the side wall of the conveying box 203;

[0098] A motor 206, wherein the motor 206 is disposed on the upper surface of the reducer 205, and the motor 206 is drivingly connected to the reducer 205;

[0099] A transmission wheel assembly 207, wherein the transmission wheel assembly 207 is disposed on the upper surface of the conveying box 203, and the transmission wheel assembly 207 is in transmission connection with the reducer 205;

[0100] A first axle 208, wherein the first axle 208 is disposed at one side of the conveying box 203, one end of the first axle 208 is rotatably connected to the bottom wall of the conveying box 203, the other end of the first axle 208 passes through the upper surface of the conveying box 203 and is in transmission connection with the transmission wheel assembly 207, the first axle 208 is rotatably connected to the upper surface of the conveying box 203, and a first conveying wheel 209 is disposed on the first axle 208;

[0101] The second wheel shaft 210 is arranged on the side of the conveying box 203 away from the first wheel shaft 208. The second wheel shaft 210 is provided with a second conveying wheel 211. The second conveying wheel 211 and the first conveying wheel 209 are located at the same height. The working tube 103 is located between the first conveying wheel 209 and the second conveying wheel 211. The outer wall of the working tube 103 contacts the outer wall of the first conveying wheel 209 and the outer wall of the second conveying wheel 211 respectively. The second conveying wheel 211 is connected with a spacing adjustment mechanism, and the spacing adjustment mechanism includes: a first slide groove 212, a second slide groove 213, a lower slider 214, an upper slider 215, a fixing block 216 and a first screw 217, the first slide groove 212 is arranged on the lower side wall of the conveying box body 203, the second slide groove 213 is arranged on the upper side wall of the conveying box body 203, the lower slider 214 is arranged in the first slide groove 212 and is slidably connected to the first slide groove 212, the upper slider 215 is arranged in the second slide groove 213 and is slidably connected to the second slide groove 213, the upper and lower ends of the second wheel axle 210 are respectively rotatably connected to the upper slider 215 and the lower slider 214, the fixed block 216 is arranged on the upper surface of the conveying box body 203, one end of the first screw rod 217 is rotatably connected to the side wall of the upper slider 215, and the other end of the first screw rod 217 is threadedly connected to the fixed block 216.

[0102] The working principle and beneficial effects of the above technical solution are as follows: the conveying mechanism 2 is located on the right side of the feeding mechanism 1. In the process from the raw material working tube 103, the outer protective material body 105 to the final product, the main force of the whole device is provided by the conveying mechanism 2, and the production speed is also adjusted by the conveying mechanism 2. During the initial production, the working tube 103 and the outer protective material body 105 need to be fixed at the front end of the welding forming mechanism 6. After that, the working tube 103 and the outer protective material body 105 are fixedly connected together by the insulation layer 701. Therefore, at the conveying mechanism 2, the working tube 103 and the outer protective material body 105 always pass through the production device synchronously and at the same speed until the product is off the line. During the production process, the outer protective material body 105 passes directly from the space between the lower side of the conveying box 203 and the mounting bracket 201, and the working tube 103 is clamped by the paired first conveying wheel 209 and the second conveying wheel 211. The motor 206 drives the first wheel shaft 2 through the reducer 205 and the transmission wheel assembly 207. 08 rotates, the first wheel shaft 208 rotates to drive the first conveying wheel 209 to rotate, and the first conveying wheel 209 rotates to drive the working tube 103 to move. At the same time, the second conveying wheel 211 also rotates under the movement of the working tube 103. The motor 206 model is 130ST-H04025, and the motor 206 can accurately adjust the speed. The reducer 205 model is TPTF80-10, and the transmission wheel assembly 207 is an existing gear or belt transmission device. The first conveying wheel 209 is installed on the first wheel shaft 208 through the first bolt assembly. After loosening the first bolt assembly, the first conveying wheel 209 can slide on the first wheel shaft 208, and the second conveying wheel 211 is installed on the first wheel shaft 208 through the second bolt assembly. The assembly is installed on the second wheel shaft 210. After loosening the second bolt assembly, the second conveying wheel 211 can slide on the second wheel shaft 210, thereby realizing the adjustment of the height of the first conveying wheel 209 and the second conveying wheel 211. The first wheel shaft 208 and the second wheel shaft 210 are parallel to each other. The distance between the first wheel shaft 208 and the second wheel shaft 210 can be adjusted by the spacing adjustment mechanism, thereby adjusting the distance between the first conveying wheel 209 and the second conveying wheel 211. The first conveying wheel 209 on the first wheel shaft 208 is set to two, and the second conveying wheel 211 on the second wheel shaft 210 is also set to two, and the first wheel shaft 208 and the second wheel shaft 210 are both set to two , two first conveying wheels 209 located on the same first wheel shaft 208 and two second conveying wheels 211 located on the same second wheel shaft 210 can form two opposite 90-degree V-shaped clamping structures, thereby fully contacting the outer wall of the working tube 103, and can achieve clamping and conveying of working tubes 103 of different specifications, thereby improving the practicality of the continuous production device. After loosening the nut on the upper end of the box adjustment screw 204, the box adjustment screw 204 can slide in the long hole 202, which is convenient for adjusting the relative position of the conveying box 203 inside the mounting bracket 201, and rotating the first screw 217 can drive the upper slider 215 to slide in the second slide groove 213,Thereby, the second rotating shaft is driven to move, and the second rotating shaft drives the lower slide block 214 to slide in the first sliding groove 212, so as to adjust the position of the second rotating shaft and change the distance between the second rotating shaft and the first rotating shaft, so as to adapt to the diameter of the working tube 103. By adjusting the height of the first conveying wheel 209 and the second conveying wheel 211 and adjusting the distance between the first wheel shaft 208 and the second wheel shaft 210, combined with the adjustment of the relative position of the conveying box 203 and the mounting bracket 201, the center of the conveyed working tube 103 can be coincident with the center of the continuous production device, so as to realize the production of products of different specifications and improve the practicality of the continuous production device. There is no need to dismantle and change the model during the production process, so the production process is simple, more time-saving and labor-saving, and the continuous production of the composite insulation pipe is realized, which further improves the production efficiency and reduces the production cost.

[0103] Example 4

[0104] On the basis of Example 2 or 3, Figure 7-Figure 9 As shown, the introduction forming mechanism 3 includes:

[0105] A second support frame 301, wherein the second support frame 301 is located on the right side of the conveying mechanism 2;

[0106] The introduction component 302 is arranged on the upper surface of the second support frame 301, and the introduction component 302 includes a first guide wheel component, a second guide wheel component, a third guide wheel component and a fourth guide wheel component. The second guide wheel component is arranged on the right side of the first guide wheel component, the third guide wheel component is arranged on the right side of the second guide wheel component, and the fourth guide wheel component is arranged on the right side of the third guide wheel component. The first guide wheel component includes a first roller 303 and a second roller 304 arranged horizontally. The first roller 303 is located above the second roller 304. The upper surface of the first roller 303 contacts the lower surface of the working tube 103. The second roller The upper surface of the cylinder 304 contacts the lower surface of the outer protection material body 105, the second guide wheel assembly includes two symmetrically arranged third rollers 305, the two third rollers 305 are arranged in a V shape, and the angle between the two third rollers 305 is adjustable, the third guide wheel assembly includes a fourth roller 306 and two fifth rollers 307, the fourth roller 306 is arranged horizontally, the two fifth rollers 307 are arranged vertically, and the two fifth rollers 307 are symmetrical about the center of the fourth roller 306, the fourth guide wheel assembly includes three sixth rollers 308, the three sixth rollers 308 are arranged in a triangular shape, and one of the sixth rollers 308 is arranged horizontally;

[0107] A forming component is provided on the upper surface of the second support frame 301, and the forming component is located on the right side of the introduction component 302. The forming component includes a screw seat 309, a limiting screw 310, a support wheel group 311 and a side limiting guide wheel 312. The screw seat 309 is perpendicular to the working tube 103, and the working tube 103 passes through the center of the screw seat 309. A plurality of limiting screws 310 are provided along the axial direction of the working tube 103. Each group of limiting screws 310 is evenly arranged along the circumference of the working tube 103. The limiting screws 310 are away from one end of the working tube 103 and are in contact with the work tube 103. The screw seat 309 is threadedly connected, the lower end of the support wheel group 311 is fixedly connected to the upper surface of the second support frame 301, the support wheel group 311 is evenly spaced on the upper surface of the second support frame 301, and a roller is arranged on the upper end of the support wheel group 311. The outer wall of the roller is in contact with the outer protective material body 105, and the arc of the outer wall of the roller is adapted to the arc segment of the cross-section of the working tube 103. The side limiting guide wheel 312 is arranged above the support wheel group 311, and there are two side limiting guide wheels 312, which are respectively in contact with the two side walls of the outer protective material body 105.

[0108] The working principle and beneficial effects of the above technical solution are as follows: the introduction and forming mechanism 3 is arranged on the right side of the conveying mechanism 2, and is used to gradually introduce and bend the outer protective material body 105, and finally form a tubular structure to cover the outside of the working tube 103. The cross-section of the outer protective material body 105 after forming is an unclosed circle, and the two side plate edges of the outer protective material body 105 meet at the unclosed part of the circle, and the outer protective tube is formed after welding by the welding and forming mechanism 6. The outer protective material body 105 enters the input end of the introduction and forming mechanism 3 in the form of a continuous flat plate, and then is introduced into the welding and forming mechanism 6 in the form of a continuous unclosed tube, wherein an introduction component 302 is arranged on the second support frame 301, and the introduction component 302 is composed of a plurality of guide wheel groups with different spatial positions. 302 is used to gradually introduce the outer protection material body 105 and then perform preliminary shaping. The outer protection material body 105 with a straight cross section passes through the first guide wheel assembly, the second guide wheel assembly, the third guide wheel assembly and the fourth guide wheel assembly in sequence, and passes through the forced limit of the rollers in the first guide wheel assembly, the second guide wheel assembly, the third guide wheel assembly and the fourth guide wheel assembly, forcing the material to be twisted and deformed in space, and then guided out to the forming assembly with a C-shaped cross section. Among them, the first guide wheel assembly is horizontally provided with a first roller 303 and a second roller 304, the first roller 303 is used to support and transport the working tube 103, and the second roller 304 is used to support and transport the outer protection material body 105. The working tube 103 and the outer protection material body 105 pass through the first guide wheel assembly and enter the second guide wheel assembly. The third roller 305 of the second guide wheel assembly is V-shaped, and the angle between the two third rollers 305 is adjustable. The working tube 103 can be supported and transported by the two third rollers 305. When the outer protection material body 105 passes through the third roller 305, both sides can be limited and bent by the third roller 305. When the outer protection material body 105 enters the third guide wheel assembly, both sides of the outer protection material body 105 are further limited by the two fifth rollers 307. Both sides of the outer protection material body 105 are further bent, and then transported to the fourth guide wheel assembly by the fourth roller 306. The three sixth rollers 308 at the fourth guide wheel assembly are triangularly arranged, and can continue to bend the upper ends of both sides of the outer protection material body 105, so that the cross-section of the outer protection material body 105 becomes C-shaped. Then the outer protective material body 105 enters the forming component, and the initially shaped outer protective material body 105 is finely shaped and sized in the forming component. The cross section of the formed outer protective material body 105 changes from a C-shape to an unclosed circle, and the two side plate edges meet at the unclosed part of the circle. After welding by the welding forming mechanism 6, it is closed to become an outer protective tube. The outer diameter of the outer protective tube is the production set size. The forming component is arranged on the upper surface of the second support frame 301 and is located on the right side of the introduction component 302. The forming component includes a screw seat 309, a limiting screw 310, a support wheel group 311 and a side limiting guide wheel 312. The limiting screw 310 is arranged in multiple groups along the axial direction of the working tube 103, and each group of limiting screws 310 is evenly arranged 360 degrees around the center of the working tube 103.The limiting screw 310 is arranged in the screw seat 309 and is threadedly connected to the screw seat 309, so that the limiting screw 310 can be screwed in and out of the screw seat 309. By adjusting the spatial position of the end of each limiting screw 310, a gradual spatial envelope point can be formed, and then with the help of the joint action of the support wheel group 311 and the side limiting guide wheel 312, the imported C-shaped outer protective material body 105 can be forced to be shaped into a circular shape for export. The support wheel group 311 can not only bear most of the gravity of the working tube 103 and the outer protective material body 105, but also has the function of shaping and positioning, thereby ensuring the smooth production of materials. It is convenient for importing and exporting. The side limit guide wheel 312 plays the role of assisting in sizing. At the same time, it can also ensure that the outer protective material body 105 with a circular cross-section is not closed when it is exported, which is convenient for welding by the welding forming mechanism 6 in the subsequent sequence. The number of the import assembly 302, the limit screw 310 and the support wheel group 311 can be increased or decreased according to the product specifications. The small-sized product uses less, and the large-sized product uses more. The working tube 103 and the outer protective material body 105 pass through the import forming mechanism 3 synchronously. When finally exported, the outer protective material body 105 can be covered on the outside of the working tube 103 and form an outer protective tube.

[0109] Example 5

[0110] On the basis of any one of Examples 2-4, Fig.10 As shown, the temperature pretreatment mechanism 5 includes:

[0111] A first heating assembly, which is arranged at the introduction assembly 302, and includes a plurality of first heating devices 501, which are arranged at intervals outside the working tube 103 located on the introduction assembly 302, and the first heating devices 501 heat the working tube 103 and the outer sheath material body 105 by either a surrounding heating method or a unidirectional heating method;

[0112] The second heating component is arranged at the forming component. The second heating component includes a high-temperature shield 502. The high-temperature shield 502 is arranged outside the forming component. The high-temperature shield 502 is connected to a second heating device.

[0113] The working principle and beneficial effects of the above technical solution are as follows: the temperature pretreatment mechanism 5 can pretreatment the temperature of the working tube 103 and the outer protective material body 105, which is beneficial to the introduction and forming of the outer protective material body 105, and is beneficial to improving the foaming quality and utilization rate of the thermal insulation material when making the thermal insulation layer 701. The temperature pretreatment is a heating requirement, and can be heated by multi-point strong heating or any of the high-temperature shields 502 or a combined heating method. Generally, a high-temperature air supply heat source is adopted, and a first heating component is arranged at the introduction component 302. The first heating component includes a plurality of first heating devices 501, and the plurality of first heating devices 501 are spaced apart on the outside of the working tube 103 of the introduction component 302. The first heating device 501 can be set to surround the working tube 103 for heating or to heat the working tube 103 with air discharged in a single direction at the heating position. The position of the first heating device 501 can be arranged according to user needs. 01 The angle of hot air delivery is adjustable, which improves the heat utilization rate. A second heating component is arranged at the forming component, and the second heating component includes a high-temperature shield 502. The high-temperature shield 502 is arranged on the outside of the forming component, and then a second heating device is arranged on the outside of the high-temperature shield 502. The hot air generated by the second heating device can be transported to the inside of the high-temperature shield 502, and then the space inside the high-temperature shield 502 is continuously maintained within the set high temperature range. In the production process of the insulation pipe, it is necessary to make the pre-treatment temperature of the production material greater than 35 degrees Celsius. Due to the high-speed entry and exit of the production material, the heating time of the production material is short. Conventional constant temperature rooms cannot achieve the purpose of rapid heating of the production material in a short time. Therefore, a temperature pretreatment mechanism 5 is used to pre-treat the temperature of the working tube 103 and the outer protective material body 105. Through strong heat and efficient heating, rapid heating of the working tube 103 and the outer protective material body 105 is achieved.

[0114] Example 6

[0115] On the basis of any one of Examples 2-5, Fig.11 , Fig.12 As shown, the welding forming mechanism 6 includes:

[0116] A fixing plate 601, the fixing plate 601 is vertically arranged at the right end of the introduction and forming mechanism 3, and a through hole is arranged at the center of the fixing plate 601 for the working tube 103 and the outer protection material body 105 to pass through;

[0117] A cylinder 602, wherein the cylinder 602 is disposed on the right side wall of the fixing plate 601, and a welding pressure wheel 603 is disposed at the lower end of the cylinder 602;

[0118] An adjustment seat 604, the adjustment seat 604 is arranged on the left side wall of the fixing plate 601, a welding gun 605 is arranged on the adjustment seat 604, and the welding gun 605 is located on the upper side of the welding opening of the outer protection material body 105;

[0119] The welding inner support frame 606 is connected to the side wall of the fixing plate 601 through a first connecting arm 607. The welding inner support frame 606 is located below the welding pressure wheel 603. The welding inner support frame 606 is cantilevered from the opening of the outer protective material body 105 into the space between the outer protective material body 105 and the working tube 103 to below the welding gun 605;

[0120] The welding auxiliary positioning piece 608 is arranged on the left side of the fixing plate 601 through the second connecting arm 609. The welding auxiliary positioning piece 608 has angled guide grooves on both sides. The edges to be welded of the outer protective material body 105 enter from the guide grooves and are led out.

[0121] The working principle and beneficial effects of the above technical solution are as follows: the welding forming mechanism 6 is arranged at the right end of the introduction forming mechanism 3 and overlaps with the end of the introduction forming mechanism 3. The welding forming mechanism 6 can perform welding operations while completing the tubular forming of the outer protective material, so that when the outer protective material body 105 is led out of the end, the closed welding has been completed to form the outer protective tube. The welding forming mechanism 6 specifically includes a fixed plate 601, and the bottom of the fixed plate 601 is fixedly connected to the right end of the introduction forming mechanism 3. A cylinder 602 is arranged on the right side wall of the upper end of the fixed plate 601. The model of the cylinder 602 is SC63. A welding pressure wheel 603 is arranged on the output end of the lower end of the cylinder 602. The welding pressure wheel 603 is controlled by the cylinder 602 to move up and down, and the pressure of the welding pressure wheel 603 can be adjusted. An adjustment seat 604 is arranged on the left side wall of the fixed plate 601, and a welding gun 605 is arranged on the adjustment seat 604. The welding gun 605 is located on the upper side of the opening to be welded of the outer protective material body 105. The adjustment seat 604 can The position of the welding gun 605 can be adjusted and fixed. A first connecting arm 607 and a second connecting arm 609 are further provided on the side wall of the fixed plate 601. A welding inner support frame 606 is provided at the lower end of the first connecting arm 607. The welding inner support frame 606 is cantilevered from the opening of the outer protective material body 105 into the space between the outer protective tube and the working tube 103 and extends to the welding position. A welding auxiliary positioning piece 608 is provided at the lower end of the second connecting arm 609. An angled guide groove is provided on both sides of the welding auxiliary positioning piece 608. The edge to be welded of the outer protective material body 105 enters the guide groove and is guided out, which not only plays a role in welding positioning, but also ensures the heating position and heating effect of the welding gun 605. Since the outer protective material body 105 is made of thermoplastic material, the welding gun 605 is aligned with the position to be welded of the outer protective material body 105 and accurately heats it, and then the welding pressure wheel 603 and the welding inner support frame 606 provide auxiliary welding pressure, so that reliable welding of the outer protective material body 105 can be achieved.

[0122] Example 7

[0123] On the basis of Example 6, Fig.13 As shown, a heat-insulating layer 701 is provided between the inner wall of the outer protective material body 105 and the outer wall of the working tube 103, and the heat-insulating layer 701 is made by the perfusion mechanism 7, and the perfusion mechanism 7 includes a polyurethane foaming machine, and the perfusion position of the perfusion mechanism 7 is any one of an open perfusion position 702 and a closed perfusion position 703, and the open perfusion position 702 is located between the fourth guide wheel assembly and the forming assembly, and the closed perfusion position 703 is located between the forming assembly and the aging and shaping mechanism 8.

[0124] The working principle and beneficial effects of the above technical solution are as follows: an insulation layer 701 is arranged between the inner wall of the outer protective material body 105 and the outer wall of the working tube 103. The material of the insulation layer 701 is generally polyurethane rigid foam plastic. The pouring mechanism 7 is used to make the insulation layer 701, wherein the pouring mechanism 7 adopts an existing polyurethane foaming machine, and the model of the polyurethane foaming machine is FLT.H-12. In order to facilitate the monitoring and operation of the entire device, the polyurethane foaming machine is arranged at the front side of the introduction forming mechanism 3. The polyurethane raw material is transported from the feed pipeline of the polyurethane foaming machine to the pouring gun, and the pouring gun is aligned with the pouring position, and then the insulation layer 701 is made by the pouring gun. The pouring position can be set to an open pouring position 702 or a closed pouring position 703. The open pouring position 702 is arranged between the fourth guide wheel assembly and the forming assembly. At this time, the outer protective material body 105 has been initially guided into a U-shaped structure, which has the ability to carry the foaming material. A pouring gun can be used to pour at the open pouring position 702. The closed pouring position 703 is set between the forming component and the aging and shaping mechanism 8, which is located 20 cm-30 cm in front of the welding position. The pouring gun and the material delivery pipeline are cantilevered along the welding inner support frame 606 into the space between the working tube 103 at the front end of the welding position and the outer protective material body 105. At this time, the outer protective material body 105 has been welded, and an insulation layer 701 space is formed between the inner wall of the outer protective material body 105 and the outer wall of the working tube 103. A closed pouring operation can be performed here, and the insulation layer 701 is produced during the transportation of the working tube 103 and the outer protective material body 105, thereby greatly improving the production efficiency.

[0125] Example 8

[0126] On the basis of Example 7, Fig.14 , Fig.15 As shown, the ripening and shaping mechanism 8 comprises:

[0127] A third support frame 801, the third support frame 801 is located on the right side of the second support frame 301;

[0128] A heating and heat preservation shield 802, wherein the heating and heat preservation shield 802 is disposed on the upper surface of the third support frame 801, a second through hole is disposed inside the heating and heat preservation shield 802 along the length direction of the heating and heat preservation shield 802, a hot air blower is disposed outside the heating and heat preservation shield 802, and the hot air blower is connected to the inside of the heating and heat preservation shield 802 through a connecting pipe;

[0129] A shaping component 803 is arranged inside the heating and heat preservation shield 802. The shaping component 803 includes a first bracket 804, a mounting plate 805, a mounting block 806, a second screw 807, a connecting block 808 and a rotating wheel 809. The lower end of the first bracket 804 is fixedly connected to the upper surface of the third support frame 801. The mounting plate 805 is arranged at the upper end of the first bracket 804. A plurality of mounting blocks 806 are distributed in an array on the side wall of the mounting plate 805. A second screw 807 is arranged in the mounting block 806. The second screw 807 is threadedly connected to the mounting block 806. A connecting block 808 is arranged on one end of the second screw 807 toward the working tube 103. The connecting block 808 is rotatably connected to the second screw 807. A rotating wheel 809 is arranged in the connecting block 808. The rotating wheel 809 contacts the outer wall of the outer protective material body 105 toward the side of the working tube 103.

[0130] The working principle and beneficial effects of the above technical solution are as follows: after the infusion of the polyurethane thermal insulation material is completed, the polyurethane needs to be foamed to form the thermal insulation layer 701. The thermal insulation pipe can be stably used only after the thermal insulation layer 701 is matured and shaped. Therefore, a mature and shaping mechanism 8 is arranged on the right side of the welding and forming mechanism 6. The function of the mature and shaping mechanism 8 is to ensure the smooth completion of the foaming process, and to provide the thermal insulation layer 701 with early maturation time and suitable temperature by heating the thermal insulation shield 802. At the same time, the thermal insulation pipe product is corrected and shaped by the shaping component 803 to ensure the roundness and straightness of the thermal insulation pipe. The length of the heated thermal insulation shield 802 covers the entire mature and shaping mechanism 8. A hot air blower is arranged outside the heating and heat preservation shield 802. The hot air blower model is HJJT-3380-BX. The hot air blower heats the inside of the heating and heat preservation shield 802 by sending hot air. The hot air generated by the hot air blower enters the inside of the heating and heat preservation shield 802 through the connecting pipe, so that the inside of the heating and heat preservation shield 802 is kept at a constant temperature. The constant temperature is adaptively adjusted according to actual needs. The shaping component 803 is arranged inside the heating and heat preservation shield 802. The shaping component 803 is composed of a space guide wheel group arranged at equal intervals along the axial direction, including a first bracket 804, a mounting plate 805, a mounting block 806, a second screw 807, and a connecting block 80 8 and a rotating wheel 809, the lower end of the first bracket 804 is fixedly connected to the upper surface of the third support frame 801, a plurality of first brackets 804 are provided, and the distance between two adjacent first brackets 804 is not greater than 10 cm, a mounting plate 805 is provided at the upper end of the first bracket 804, a through hole for the working tube 103 to pass through is provided at the center of the mounting plate 805, a plurality of mounting blocks 806 are provided on the side wall of the mounting plate 805, and a second screw 807 is connected to the mounting block 806 with an internal thread, and a connecting block 808 is provided at one end of the second screw 807 toward the working tube 103, and a rotating wheel 809 is provided on the connecting block 808, and the rotating wheel 809 can be connected with the outer protective material body 1 05 outer wall contact, the closer the first bracket 804 is set, the better the shaping effect of the shaping component 803, the rotating wheel 809 is also connected to a driving device, the driving device can be a small motor, the model of the small motor is S8D40-24D, by setting the driving device, the driving device drives the rotating wheel 809 to rotate, the rotating wheel 809 contacts the outer wall of the outer protective material body 105, which can help the insulation pipe to pass smoothly from the shaping component 803 during the shaping process. The shaping component 803 can also adopt a crawler mode shaping method with a power source to improve the shaping effect of the shaping component 803 and ensure that the roundness and straightness of the product are within the preset standard range.

[0131] Example 9

[0132] Based on Example 7, the control mechanism includes:

[0133] A frequency converter, the frequency converter is arranged on the polyurethane foaming machine, and the frequency converter is electrically connected to the motor 206;

[0134] A flow rate sensor, the flow rate sensor is disposed at the open filling position 702, and is used to detect an actual filling rate at the open filling position 702;

[0135] A first controller, wherein the first controller is arranged on the polyurethane foaming machine, and the first controller is electrically connected to the frequency converter and the flow rate sensor respectively;

[0136] The first controller controls the operation of the frequency converter based on the detection value of the flow rate sensor, comprising the following steps:

[0137] Step 1: Based on the detection value of the flow rate sensor, the target frequency of the motor 206 is calculated by formula (1):

[0138]

[0139] Among them, f 1 is the target frequency of the motor 206, v 1 is the actual filling rate at the open filling position 702 detected by the flow rate sensor, v 2 is the preset injection speed at the open injection position 702, n 2 is the preset rotation speed of the first wheel shaft 208, H 1 is the reduction ratio of the reducer 205, P is the preset number of pole pairs of the rotating magnetic field of the motor 206, η 1 is the working efficiency of the motor 206, η 2 is the transmission efficiency of the transmission wheel assembly 207;

[0140] Step 2: Based on the calculation result of formula (1), the first controller controls the inverter to operate, and the inverter adjusts the frequency of the motor 206 . The inverter adjusts the actual frequency of the motor 206 to the target frequency of the prime motor 206 .

[0141] The working principle and beneficial effects of the above technical solution are as follows: a frequency converter and a first controller are also provided on the polyurethane foaming machine. The frequency converter model is GD200A-015G / 018P-4, and the first controller model is SPC-SFMC-X3632A. The frequency converter can adjust the frequency of the motor 206. A flow rate sensor is provided at the open filling position 702. The flow rate sensor model is FPR300. The actual filling speed of the open filling position 702 can be detected by the flow rate sensor. According to the detection value of the flow rate sensor, the target frequency of the motor 206 can be accurately calculated by formula (1). The working efficiency of the motor 206 has a value range of 0.85-0.9, and the transmission efficiency of the transmission wheel assembly 207 is 0.78-0.88. Then the first controller controls the frequency converter to work, and the frequency converter can adjust the actual frequency of the motor 206. The target frequency of the motor 206 is set to change the rotation speed of the motor 206. This scheme can realize real-time monitoring of the perfusion speed, and change the rotation speed of the motor 206 according to the perfusion speed, so that the transmission speed of the working tube matches the perfusion speed. When the perfusion speed increases, the target frequency of the motor 206 increases, so that the rotation speed of the motor 206 increases, thereby accelerating the conveying speed of the working tube and improving the production efficiency. When the perfusion speed slows down, if the conveying speed of the working tube is fast, it will cause incomplete perfusion. At this time, the target frequency of the motor 206 calculated by formula (1) decreases, and the rotation speed of the motor 206 slows down, ensuring the perfusion effect and improving the product quality. This scheme can automatically adjust the rotation speed of the motor 206 according to the perfusion speed, thereby adjusting the conveying speed of the working tube, improving the intelligence and automation level of the device, and reducing the labor intensity of the staff.

[0142] Example 10

[0143] On the basis of Example 5, the present invention further comprises:

[0144] A first pressure sensor, which is disposed on the inner wall of the high temperature shield 502 and is used to detect the pressure of the inner wall of the high temperature shield 502;

[0145] A second pressure sensor, the second pressure sensor is disposed on the outer wall of the high temperature shield 502 and is used to detect the pressure of the outer wall of the high temperature shield 502;

[0146] A temperature sensor, the temperature sensor is arranged on the inner wall of the high temperature shield 502, and is used to detect the real-time temperature inside the high temperature shield 502;

[0147] A timer, the timer is arranged outside the first support frame 101, the timer is electrically connected to the temperature sensor, and the timer is used to record the time taken for the temperature of the inner wall of the high-temperature shield 502 to decrease from a preset maximum temperature to a preset minimum temperature;

[0148] An alarm, which is arranged on the outer side wall of the first supporting frame 101;

[0149] A second controller, the second controller is arranged on the outer side wall of the first support frame 101, and the second controller is electrically connected to the first pressure sensor, the second pressure sensor, the temperature sensor, the timer and the alarm respectively;

[0150] The second controller controls the alarm to work based on the detection results of the first pressure sensor, the second pressure sensor, the temperature sensor, and the timer, including the following steps:

[0151] Step 11: Based on the detection values ​​of the temperature sensor and the timer, the natural cooling rate of the air inside the high temperature shield 502 is calculated by formula (2):

[0152]

[0153] Among them, Q 1 is the natural cooling rate of the air inside the high temperature shield 502, C 1 is the specific heat capacity of the air in the high temperature shield 502, ρ 1 is the density of the air in the high temperature shield 502, V 1 is the volume inside the high temperature shield 502, K 2 is the preset maximum temperature in the high temperature shield 502, K 1 is the preset minimum temperature in the high temperature shield 502, t 1 The time taken by the timer to reduce the inner wall temperature of the high-temperature shield 502 from a preset maximum temperature to a preset minimum temperature;

[0154] Step 12: Based on the calculation result of formula (2) and the detection values ​​of the first pressure sensor and the second pressure sensor, the actual life value of the high temperature shield 502 is calculated by formula (3):

[0155]

[0156] Among them, T 1 is the actual life value of the high temperature shield 502, B 1 The shape coefficient of the cracks on the surface of the high temperature shield 502 is preset, P 2 is the pressure of the inner wall of the high temperature shield 502 detected by the first pressure sensor, P 1 is the pressure of the outer wall of the high temperature shield 502 detected by the second pressure sensor, P 0 is the preset pressure difference between the inner and outer walls of the high temperature shield 502, L1 is the height of the high temperature shield 502, δ 1 is the thickness of the inner wall of the high temperature shield 502, L 2 The preset length of the crack on the surface of the high temperature shield 502 is Q 2 is the preset natural cooling rate of the high temperature shield 502, δ 2 Presetting a preset depth of cracks on the surface of the high temperature shield 502;

[0157] Step 13: Based on the calculation result of formula (3), the second controller compares the actual life value of the high-temperature shield 502 with the preset life value of the high-temperature shield 502. When the actual life value of the high-temperature shield 502 is greater than the preset life value of the high-temperature shield 502, the second controller controls the alarm to issue an alarm prompt.

[0158] The working principle and beneficial effects of the above technical solution are as follows: a first pressure sensor and a second pressure sensor are also provided on the inner wall of the high temperature shield 502, which can detect the pressure of the inner wall and the outer wall of the high temperature shield 502 respectively; the second heating device heats the high temperature shield 502 in stages; when the temperature inside the high temperature shield 502 is lower than the preset minimum temperature, the second controller can control the second heating device to heat the high temperature shield 502; when the temperature inside the high temperature shield 502 is higher than the preset maximum temperature, the second controller controls the second heating device to stop working; at the same time, the timer can record the time taken for the temperature of the inner wall of the high temperature shield 502 to decrease from the preset maximum temperature to the preset minimum temperature; the natural cooling rate of the air inside the high temperature shield 502 can be accurately calculated by formula (2); then, according to the calculation result of formula (2), the actual life value of the high temperature shield 502 is calculated by formula (3); wherein the shape coefficient of the preset crack on the surface of the high temperature shield 502 is the ratio of the preset depth to the preset length of the preset crack, and the maximum value is 2. After that, the second controller can compare the actual life value of the high-temperature shield 502 calculated by formula (3) with the preset life value of the high-temperature shield 502 pre-stored in the second controller. When the actual life value is greater than the preset life value, the second controller can control the alarm to issue an alarm prompt. Since the high-temperature shield 502 is in a high-temperature working environment for a long time, the high-temperature shield 502 is prone to cracks. After the cracks are generated, the natural cooling rate of the air inside the high-temperature shield 502 increases, and the thermal insulation effect of the high-temperature shield 502 is reduced. In the prior art, it is impossible to judge the service life of the high-temperature shield 502 based on the natural cooling rate of the air inside the high-temperature shield 502, and it can only be replaced based on experience. If the high-temperature shield 502 reaches its service life, it will affect the production efficiency of the production device and reduce product quality. Through this solution, the actual life value of the high-temperature shield 502 can be accurately calculated, and the automatic alarm of the alarm can remind the staff to replace the damaged high-temperature shield 502 in time, thereby ensuring the production efficiency of the production device and improving product quality.

[0159] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A composite thermal insulation pipe continuous production device, It is characterized in that The continuous production device comprises a loading mechanism (1), a conveying mechanism (2), an introduction and forming mechanism (3), an aging and shaping mechanism (8), a pipe cutting mechanism (9), and a line-off mechanism (10) which are arranged in sequence from left to right; a bracket mounting mechanism (4) is arranged on the upper surface of the front side of the introduction and forming mechanism (3); a temperature pretreatment mechanism (5) is arranged on the introduction and forming mechanism (3); a welding and forming mechanism (6) is arranged on one end of the introduction and forming mechanism (3) close to the aging and shaping mechanism (8); a pouring mechanism (7) is arranged on the front side of the introduction and forming mechanism (3); and a control mechanism (11) is arranged on the pouring mechanism (7); The introduction and forming mechanism (3) comprises: A second support frame (301), the second support frame (301) is located on the right side of the conveying mechanism (2); An introduction component (302) is arranged on the upper surface of the second support frame (301), and the introduction component (302) includes a first guide wheel component, a second guide wheel component, a third guide wheel component and a fourth guide wheel component which are arranged in sequence from left to right. The first guide wheel component includes a first roller (303) and a second roller (304) which are arranged horizontally. The first roller (303) is located above the second roller (304). The upper surface of the first roller (303) contacts the lower surface of the working tube (103) of the composite thermal insulation pipe, and the upper surface of the second roller (304) contacts the lower surface of the outer protective material body (105) of the composite thermal insulation pipe. The second guide wheel assembly comprises two symmetrically arranged third rollers (305), the two third rollers (305) are arranged in a V-shape, and the angle between the two third rollers (305) is adjustable; the third guide wheel assembly comprises a fourth roller (306) and two fifth rollers (307), the fourth roller (306) is arranged horizontally, the two fifth rollers (307) are arranged vertically, and the two fifth rollers (307) are symmetrical about the center of the fourth roller (306); the fourth guide wheel assembly comprises three sixth rollers (308), the three sixth rollers (308) are arranged in a triangular shape, and one of the sixth rollers (308) is arranged horizontally; A forming component, wherein the forming component is arranged on the upper surface of the second support frame (301), and the forming component is located on the right side of the introduction component (302). The forming component includes a screw seat (309), a limiting screw (310), a support wheel group (311) and a side limiting guide wheel (312). The screw seat (309) is perpendicular to the working tube (103), and the working tube (103) passes through the center of the screw seat (309). A plurality of limiting screws (310) are arranged along the axial direction of the working tube (103), and each group of limiting screws (310) is evenly arranged along the circumference of the working tube (103). The limiting screws (310) are one inch away from the working tube (103). The end is threadedly connected to the screw seat (309), the lower end of the support wheel group (311) is fixedly connected to the upper surface of the second support frame (301), the support wheel groups (311) are arranged at equal intervals on the upper surface of the second support frame (301), and rollers are arranged at the upper end of the support wheel group (311). The outer wall of the roller is in contact with the outer protective material body (105), and the arc of the outer wall of the roller is adapted to the arc segment of the cross-section of the working tube (103). The side limiting guide wheel (312) is arranged above the support wheel group (311), and the side limiting guide wheels (312) are set in two, and the two side limiting guide wheels (312) are respectively in contact with the two side walls of the outer protective material body (105).

2. A composite thermal insulation pipe continuous production device according to claim 1, It is characterized in that The feeding mechanism (1) comprises: A first support frame (101); A conveying roller (102), wherein the conveying roller (102) is arranged on the first support frame (101), and a plurality of working tubes (103) are arranged on the conveying roller (102), and two adjacent working tubes (103) are connected by at least one of a sealing connection and a tape connection; An outer protective material roll holder (104), the outer protective material roll holder (104) is arranged on the right side of the first support frame (101), and there are a plurality of outer protective material roll holders (104), each of which is provided with an outer protective material body (105), and the outer protective material body (105) is located below the working tube (103), and the end of one of the outer protective material bodies (105) is connected to the head end of the outer protective material body (105) adjacent to the left.

3. A composite thermal insulation pipe continuous production device according to claim 2, It is characterized in that The conveying mechanism (2) comprises: A mounting bracket (201), wherein the mounting bracket (201) is composed of a plurality of connecting rods, and the upper surface of the mounting bracket (201) is provided with four elongated holes (202); A conveying box (203), wherein the conveying box (203) is arranged inside the mounting bracket (201), and box adjustment screws (204) are arranged at four corners of the upper surface of the conveying box (203), one end of the box adjustment screw (204) is fixedly connected to the upper surface of the conveying box (203), and the other end of the box adjustment screw (204) extends into the elongated hole (202) and slides along the inner wall of the elongated hole (202), and a nut is arranged at the upper end of the box adjustment screw (204), and the nut is threadedly connected to the upper end of the box adjustment screw (204), and a gap is arranged between the lower surface of the conveying box (203) and the mounting bracket (201), and the outer protective material body (105) passes through the gap and extends to the side of the conveying box (203) away from the feeding mechanism (1); A reducer (205), wherein the reducer (205) is arranged on one side of the conveying box (203), and one end of the reducer (205) is fixedly connected to the side wall of the conveying box (203); A motor (206), wherein the motor (206) is arranged on the upper surface of the reducer (205), and the motor (206) is drivingly connected to the reducer (205); A transmission wheel assembly (207), wherein the transmission wheel assembly (207) is arranged on the upper surface of the conveying box (203), and the transmission wheel assembly (207) is transmission-connected to the reducer (205); a first wheel axle (208), the first wheel axle (208) being arranged at one side of the interior of the conveying box (203), one end of the first wheel axle (208) being rotatably connected to the bottom wall of the conveying box (203), the other end of the first wheel axle (208) passing through the upper surface of the conveying box (203) and being transmission-connected to the transmission wheel assembly (207), the first wheel axle (208) being rotatably connected to the upper surface of the conveying box (203), and a first conveying wheel (209) being arranged on the first wheel axle (208); A second wheel shaft (210), wherein the second wheel shaft (210) is arranged at a side of the conveying box (203) away from the first wheel shaft (208), and a second conveying wheel (211) is arranged on the second wheel shaft (210), and the second conveying wheel (211) and the first conveying wheel (209) are located at the same height, and the working tube (103) is located between the first conveying wheel (209) and the second conveying wheel (211), and the outer wall of the working tube (103) is respectively in contact with the outer wall of the first conveying wheel (209) and the outer wall of the second conveying wheel (211), and the second conveying wheel (211) is connected with a spacing adjustment mechanism, and the spacing adjustment mechanism comprises: a first slide groove (212), a second slide groove (213), a lower slider (214), an upper slider (215), a fixing block (216) and a first screw (217), the first slide groove (212) is arranged on the lower side wall of the conveying box (203), the second slide groove (213) is arranged on the upper side wall of the conveying box (203), the lower slider (214) is arranged in the first slide groove (212) and is slidably connected to the first slide groove (212), the upper slider (215) is arranged in the second slide groove (213) and is slidably connected to the second slide groove (213), the upper and lower ends of the second wheel axle (210) are respectively rotatably connected to the upper slider (215) and the lower slider (214), the fixed block (216) is arranged on the upper surface of the conveying box (203), one end of the first screw rod (217) is rotatably connected to the side wall of the upper slider (215), and the other end of the first screw rod (217) is threadedly connected to the fixed block (216).

4. A composite thermal insulation pipe continuous production device according to claim 3, It is characterized in that The temperature pretreatment mechanism (5) comprises: a first heating component, the first heating component being arranged at the introduction component (302), the first heating component comprising a plurality of first heating devices (501), the plurality of first heating devices (501) being arranged at intervals on the outside of the working tube (103) located on the introduction component (302), the first heating device (501) heating the working tube (103) and the outer sheath material body (105) by adopting any one of a surrounding heating method and a unidirectional heating method; A second heating component is arranged at the forming component, the second heating component comprises a high temperature shield (502), the high temperature shield (502) is arranged outside the forming component, and the high temperature shield (502) is connected to a second heating device.

5. A composite thermal insulation pipe continuous production device according to claim 2, It is characterized in that The welding forming mechanism (6) comprises: A fixing plate (601), the fixing plate (601) being vertically arranged at the right end of the introduction and forming mechanism (3), and a through hole for the working tube (103) and the outer protection material body (105) to pass through being arranged at the center of the fixing plate (601); A cylinder (602), wherein the cylinder (602) is arranged on the right side wall of the fixing plate (601), and a welding pressure wheel (603) is arranged at the lower end of the cylinder (602); an adjustment seat (604), the adjustment seat (604) being arranged on the left side wall of the fixing plate (601), a welding gun (605) being arranged on the adjustment seat (604), and the welding gun (605) being located above the side of the welding opening of the outer protection material body (105); A welding inner support frame (606), wherein the welding inner support frame (606) is connected to the side wall of the fixing plate (601) via a first connecting arm (607), the welding inner support frame (606) is located below the welding pressure wheel (603), and the welding inner support frame (606) is cantilevered from the opening of the outer protective material body (105) into the space between the outer protective material body (105) and the working tube (103) to below the welding gun (605); A welding auxiliary positioning piece (608), wherein the welding auxiliary positioning piece (608) is arranged on the left side of the fixing plate (601) through a second connecting arm (609), and angled guide grooves are opened on both sides of the welding auxiliary positioning piece (608), and the edges to be welded of the outer protective material body (105) enter through the guide grooves and are guided out respectively.

6. A composite thermal insulation pipe continuous production device according to claim 4, It is characterized in that A thermal insulation layer (701) is provided between the inner wall of the outer protective material body (105) and the outer wall of the working tube (103), and the thermal insulation layer (701) is made by the pouring mechanism (7). The pouring mechanism (7) includes a polyurethane foaming machine. The pouring position of the pouring mechanism (7) is an open pouring position (702), and the open pouring position (702) is located between the fourth guide wheel assembly and the forming assembly.

7. A composite thermal insulation pipe continuous production device according to claim 6, It is characterized in that The ripening and shaping mechanism (8) comprises: A third support frame (801), the third support frame (801) is located on the right side of the second support frame (301); A heating and heat preservation shield (802), wherein the heating and heat preservation shield (802) is arranged on the upper surface of the third support frame (801), a second through hole is arranged inside the heating and heat preservation shield (802) along the length direction of the heating and heat preservation shield (802), a hot air blower is arranged outside the heating and heat preservation shield (802), and the hot air blower is connected to the inside of the heating and heat preservation shield (802) through a connecting pipe; A shaping component (803) is arranged inside the heating and heat preservation shield (802), and the shaping component (803) includes a first bracket (804), a mounting plate (805), a mounting block (806), a second screw (807), a connecting block (808) and a rotating wheel (809). The lower end of the first bracket (804) is fixedly connected to the upper surface of the third support frame (801), the mounting plate (805) is arranged on the upper end of the first bracket (804), and the side wall of the mounting plate (805) is arrayed with A plurality of mounting blocks (806), wherein a second screw rod (807) is disposed inside the mounting block (806), wherein the second screw rod (807) is threadedly connected to the mounting block (806), a connecting block (808) is disposed at one end of the second screw rod (807) facing the working tube (103), wherein the connecting block (808) is rotatably connected to the second screw rod (807), and a rotating wheel (809) is disposed inside the connecting block (808), wherein the rotating wheel (809) contacts the outer wall of the outer protective material body (105) facing the side of the working tube (103).

8. A composite thermal insulation pipe continuous production device according to claim 6, It is characterized in that The control mechanism comprises: A frequency converter, the frequency converter being arranged on the polyurethane foaming machine and being electrically connected to the motor (206); a flow rate sensor, the flow rate sensor being arranged at the open filling position (702) and being used for detecting an actual filling rate at the open filling position (702); A first controller, wherein the first controller is arranged on the polyurethane foaming machine, and the first controller is electrically connected to the frequency converter and the flow rate sensor respectively.

9. A composite thermal insulation pipe continuous production device according to claim 4, It is characterized in that Also includes: a first pressure sensor, the first pressure sensor being arranged on the inner wall of the high temperature shield (502) and used for detecting the pressure of the inner wall of the high temperature shield (502); a second pressure sensor, the second pressure sensor being arranged on the outer wall of the high temperature shield (502) and used for detecting the pressure of the outer wall of the high temperature shield (502); a temperature sensor, the temperature sensor being arranged on the inner wall of the high temperature shield (502) and being used to detect the real-time temperature inside the high temperature shield (502); A timer, the timer being arranged outside the first support frame (101), the timer being electrically connected to the temperature sensor, and the timer being used to record the time taken for the temperature of the inner wall of the high-temperature shield (502) to decrease from a preset maximum temperature to a preset minimum temperature; an alarm, the alarm being arranged on an outer side wall of the first supporting frame (101); A second controller is arranged on the outer wall of the first support frame (101), and the second controller is electrically connected to the first pressure sensor, the second pressure sensor, the temperature sensor, the timer, the second heating device and the alarm respectively.

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