High-temperature-resistant ventilation pipe and preparation method and production equipment thereof

Abstract

The application discloses a high-temperature-resistant ventilation pipe and a preparation method and production equipment thereof, and further optimizes the performance of the ventilation pipe, so that the high-temperature-resistant ventilation pipe is resistant to high and low temperatures, has corrosion resistance, can be arbitrarily bent, and is easy to install and transport; in the preparation method of the high-temperature-resistant ventilation pipe, high-molecular high-temperature-resistant silica gel or chloroprene rubber is coated and calendered on glass fiber cloth in a coating and calendering mode, and then the coated and calendered cloth is divided into strips, so that the high-temperature-resistant ventilation pipe can play a gluing role and further improve the high-temperature resistance, weather resistance and corrosion resistance of the glass fiber cloth; and the production equipment of the high-temperature-resistant ventilation pipe is high in winding efficiency and fast in winding speed, only needs one driving motor, and is more energy-saving and environment-friendly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ventilation pipe, in particular to a high-temperature-resistant ventilation pipe and a preparation method and production equipment thereof. BACKGROUND

[0002] The ventilation pipe is a metal or composite pipe used in the ventilation and air conditioning engineering of industrial and civil buildings, and is a kind of municipal infrastructure for air circulation and reducing the concentration of harmful gases. The existing ventilation pipe is mainly a metal pipe made of iron or stainless steel, which is not resistant to acid and alkali, not easy to bend, and inconvenient to install and use. Some ventilation pipes are made of plastic materials, but they are not resistant to high temperature. SUMMARY

[0003] In view of the defects in the prior art, the present application provides a high-temperature-resistant ventilation pipe and a preparation method and production equipment thereof to further optimize the performance of the ventilation pipe, so that it is resistant to high and low temperature, and has the advantages of corrosion resistance, arbitrary bending, easy installation and transportation.

[0004] The technical scheme of the present application is as follows:

[0005] The present application provides a high-temperature-resistant ventilation pipe, which comprises an inner pipe, a reinforcing rib, a temperature-resistant layer and a reinforcing wire. The reinforcing rib is spirally wound on the outer wall of the inner pipe, the temperature-resistant layer is spirally wound on the inner layer and the reinforcing rib, and the reinforcing wire is spirally wound on the outer wall of the temperature-resistant layer. The reinforcing wire is a double wire, and the reinforcing rib is clamped between the double wires along the direction of the reinforcing rib.

[0006] Preferably, the material of the inner pipe and the temperature-resistant layer is glass fiber cloth coated with high-molecular high-temperature-resistant silicone or neoprene.

[0007] Preferably, the reinforcing rib is specifically a spring steel wire.

[0008] Preferably, the reinforcing wire is specifically a glass fiber wire, a nylon wire or a cotton wire.

[0009] The present application provides a preparation method of the above-mentioned high-temperature-resistant ventilation pipe, which specifically comprises the following steps:

[0010] S1. First, the inner pipe material is spirally wound on the pipe mold continuously, then the reinforcing rib is spirally wound on the outer wall of the inner pipe material at equal intervals, and then the temperature-resistant layer material is spirally wound on the outer wall of the inner pipe and covers the reinforcing rib. Finally, the reinforcing wire of the double wire is spirally wound on the outer wall of the temperature-resistant layer, and the reinforcing rib is clamped between the double wires along the direction of the reinforcing rib to obtain a semi-finished product;

[0011] S2. The semi-finished product obtained in step S1 is sequentially subjected to baking, demolding, cutting and packaging to obtain the high-temperature-resistant ventilation pipe.

[0012] Preferably, the material of the inner layer and the reinforcing layer is the same, and both are obtained by coating and calendering high-molecular heat-resistant silicone rubber or chloroprene rubber onto a glass fiber cloth, and then dividing the coated and calendered cloth.

[0013] The application also provides a production device for the high-temperature-resistant ventilation pipe, comprising a driving mechanism and a feeding mechanism, wherein the driving mechanism is used for driving the pipe mold to make rotational movement around the central axis and horizontal movement, and the feeding mechanism is used for feeding the material to be wound to the pipe mold; the driving mechanism comprises a horizontal slide rail, a crank linkage mechanism, a sliding assembly, a clamping device and an output rod.

[0014] The output end of the crank linkage mechanism is connected with one end of the output rod, and is used for driving the output rod to move reciprocally in the horizontal direction.

[0015] The other end of the output rod is provided with the clamping device, and the clamping device is used for clamping the pipe mold to make it coaxially fixed with the output rod.

[0016] The sliding assembly comprises a main sliding block, a vertical slide rail, an inclined slide rail, a rack and a gear, the main sliding block is slidably connected with the horizontal slide rail, the main sliding block is rotationally connected with the output rod, the vertical slide rail is fixedly arranged on the main sliding block, the inclined slide rail is arranged above the main sliding block and is fixedly connected with the horizontal slide rail, the rack is slidably connected with the vertical slide rail, the top end of the rack is provided with a secondary sliding block, the secondary sliding block is slidably connected with the inclined slide block, and the gear is fixedly sleeved on the output rod and is engaged with the rack.

[0017] Preferably, the crank linkage mechanism comprises a motor, a driving piece and a driven piece, one end of the driving piece is connected with the output end of the motor, the other end of the driving piece is hingedly connected with one end of the driven piece, and the other end of the driven piece is hingedly connected with the output rod.

[0018] Preferably, limit support devices are arranged at both ends of the whole stroke range of the main sliding block, the limit support devices are fixed on the horizontal slide rail, and the output rod penetrates through the two limit support devices and is rotationally connected with the two limit support devices.

[0019] Preferably, the clamping device comprises a clamping plate one and a clamping plate two, the clamping plate one is fixedly sleeved on the output rod, the end of the output rod away from the crank linkage mechanism is provided with a thread, and the clamping plate two is screw-connected with the output rod to adjust the distance between the clamping plate one and the clamping plate two.

[0020] The beneficial effects of the application are embodied in that:

[0021] The application provides a high-temperature-resistant ventilation pipe, the material of the inner pipe and the temperature-resistant layer is glass fiber cloth coated with high-molecular high-temperature-resistant silica gel or neoprene, the high-molecular high-temperature-resistant silica gel or neoprene has good physical and mechanical properties, oil resistance, heat resistance, combustion resistance, sunlight resistance, ozone resistance, acid and alkali resistance and chemical reagent resistance, the glass fiber cloth has good insulation, high heat resistance and good corrosion resistance, and the high-temperature resistance, weather resistance and corrosion resistance of the glass fiber cloth can be further improved through the treatment; the reinforcing rib mainly plays a role of framework support, the bending, compression, stretching and other deformations of the formed ventilation pipe are extremely flexible, the ventilation pipe has good deformability, is convenient to transport and has a wider application range; the reinforcing rib is wrapped by the double-layer structure of the inner pipe and the temperature-resistant layer, so that the formed ventilation pipe has better quality and a longer service life; the reinforcing rib structure is further strengthened by clamping of the double-wire reinforcing wire.

[0022] The application provides a preparation method of the high-temperature-resistant ventilation pipe, high-molecular high-temperature-resistant silica gel or neoprene is coated and calendered on the glass fiber cloth, and the coated and calendered cloth is divided into strips, which can play a role of adhesion and further improve the high-temperature resistance, weather resistance and corrosion resistance of the glass fiber cloth.

[0023] The application provides a production equipment of the high-temperature-resistant ventilation pipe, which has high winding efficiency and speed, needs only one driving motor and is more energy-saving and environment-friendly. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0025] Figure 1 The application provides a high-temperature-resistant ventilation pipe;

[0026] Figure 2 The application provides a production equipment of the high-temperature-resistant ventilation pipe;

[0027] In the drawings, 11 is an inner pipe, 12 is a temperature-resistant layer, 13 is a reinforcing rib, 14 is a reinforcing wire, 211 is a driving member, 212 is a driven member, 22 is a horizontal sliding rail, 231 is a clamping plate one, 232 is a clamping plate two, 233 is a screw thread, 234 is a bearing seat, 235 is a brake pad universal wheel, 24 is an output rod, 251 is a main sliding block, 252 is a vertical sliding rail, 253 is an inclined sliding rail, 254 is a rack, 255 is a gear, 256 is a secondary sliding block, 26 is a limiting support device, 3 is a feeding mechanism and 4 is a pipe mold. DETAILED DESCRIPTION

[0028] In order to make the persons skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the persons skilled in the art without creative labor should belong to the protection scope of the present application.

[0029] It should be noted that the terms “first”, “second”, and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so as to describe the embodiments of the present application.

[0030] In the present application, the terms “upper”, “lower”, “inner”, and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0031] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term “upper” can also be used to indicate a certain dependent relationship or connection relationship in some cases. For the person skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0032] In addition, the terms “set”, “provided with”, “connected”, “fixed”, and the like should be broadly understood. For example, “connected” can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For the person skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0033] In addition, the meaning of the term “a plurality of” should be two and more than two.

[0034] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0035] Embodiment 1

[0036] The present embodiment provides a high-temperature-resistant ventilation pipe, such asFigure 1 As shown, it comprises an inner tube 11, a reinforcing rib 13, a temperature-resistant layer 12, and a reinforcing wire 14. The reinforcing rib 13 is spirally wound on the outer wall of the inner tube 11, the temperature-resistant layer 12 is spirally wound on the outer wall of the inner tube 11 and the reinforcing rib 13, and the reinforcing wire 14 is spirally wound on the outer wall of the temperature-resistant layer 12. The reinforcing wire 14 is double-wire and clamps the reinforcing rib 13 between the double-wire along the direction of the reinforcing rib 13.

[0037] In this embodiment, the materials of the inner tube 11 and the temperature-resistant layer 12 are both glass fiber cloth coated with high-molecular temperature-resistant silicone or neoprene. The high-molecular temperature-resistant silicone or neoprene has good physical and mechanical properties, and is resistant to oil, heat, combustion, sunlight, ozone, acid and alkali, and chemical reagents. The glass fiber cloth has good insulation, high heat resistance, and good corrosion resistance, and the treatment can further improve the high-temperature resistance, weather resistance, and corrosion resistance of the glass fiber cloth. The reinforcing rib 13 mainly plays a role of framework support. The reinforcing rib 13 is preferably spring steel wire, so that the formed ventilation pipe has good deformability and is flexible in bending, compression, stretching and other deformations, has a wider application range, and has better quality and longer service life after being wrapped by the double-layer structure of the inner tube 11 and the temperature-resistant layer 12. The double-wire reinforcing wire 14 clamps the reinforcing rib 13, which can further strengthen the structure of the reinforcing rib 13. The reinforcing wire 14 is preferably glass fiber wire, which is high-temperature resistant and high-strength, and is processed by a special process. It can also be nylon wire or cotton wire.

[0038] Embodiment 2

[0039] The embodiment provides a preparation method of the high-temperature-resistant ventilation pipe of embodiment 1, and specifically includes the following steps.

[0040] S1. First, the glass fiber cloth coated with high-molecular temperature-resistant silicone or neoprene is spirally wound on the pipe mold 4, and then the spring steel wire is spirally wound on the outer wall of the inner tube 11 material at equal intervals. Then, the glass fiber cloth coated with high-molecular temperature-resistant silicone or neoprene is spirally wound on the outer wall of the inner tube 11 and covers the spring steel wire. Finally, the double-wire glass fiber wire is spirally wound on the outer wall of the temperature-resistant layer 12 and clamps the reinforcing rib 13 between the double-wire along the direction of the reinforcing rib 13, to obtain a semi-finished product.

[0041] S2. The semi-finished product obtained in step S1 is sequentially subjected to baking, demolding, cutting and packaging to obtain the high-temperature-resistant ventilation pipe.

[0042] In the embodiment, the materials of the inner layer and the reinforcing layer are the same, both of which are high-molecular high-temperature-resistant silica gel or chloroprene rubber coated and calendered on the glass fiber cloth, and then the coated and calendered cloth is divided into strips, which can play a gluing role and further improve the high-temperature resistance, weather resistance and corrosion resistance of the glass fiber cloth.

[0043] Embodiment 3

[0044] The embodiment provides a production equipment of the high-temperature-resistant ventilation pipe of embodiment 1, as shown in the accompanying drawings, which comprises a driving mechanism and a feeding mechanism 3, wherein the driving mechanism is used for driving the pipe mold 4 to make rotational movement around the central axis and horizontal movement, and the feeding mechanism 3 is used for feeding the material to be wound to the pipe mold 4; wherein the driving mechanism comprises a horizontal slide rail 22, a crank connecting rod mechanism, a sliding assembly, a clamping device and an output rod 24. Figure 2

[0045] The crank connecting rod mechanism is fixed at one end of the horizontal slide rail 22, and the output end of the crank connecting rod is connected with one end of the output rod 24, which is used for driving the output rod 24 to move reciprocally in the horizontal direction.

[0046] The other end of the output rod 24 is provided with the clamping device, which is used for clamping the pipe mold 4 to be coaxially fixed with the output rod 24.

[0047] The sliding assembly comprises a main sliding block 251, a vertical slide rail 252, an inclined slide rail 253, a rack 254 and a gear 255, the main sliding block 251 is in sliding connection with the horizontal slide rail 22, the main sliding block 251 is in rotational connection with the output rod 24, the vertical slide rail 252 is fixedly arranged on the main sliding block 251, the inclined slide rail 253 is arranged above the main sliding block 251 and is fixedly connected with the horizontal slide rail 22, the rack 254 is in sliding connection with the vertical slide rail 252, the top end of the rack 254 is provided with a secondary sliding block 256, the secondary sliding block 256 is in sliding connection with the inclined slide rail, and the gear 255 is fixedly sleeved on the output rod 24 and is in meshing connection with the rack 254.

[0048] ​In the embodiment, the pipe mold 4 is first fixed on the output rod 24 by the clamping device, and then the crank connecting rod mechanism is started to drive the output rod 24 to reciprocate in the horizontal direction. During the movement of the output rod 24, the main sliding block 251 slides on the horizontal slide rail 22. During the sliding of the main sliding block 251, the vertical slide rail 252, the rack 254 and the auxiliary sliding block 256 move horizontally. When the auxiliary sliding block 256 moves horizontally on the inclined slide rail 253, it also moves in the vertical direction, thereby driving the rack 254 to slide in the vertical slide rail 252. Since the rack 254 is engaged with the gear 255, the rack 254 drives the gear 255 to rotate during the sliding. The gear 255 is fixed on the output rod 24, so it can drive the output rod 24 to rotate around its axis. Therefore, the output rod 24 can rotate around its own axis while moving in the horizontal direction, and the feeding mechanism 3 located at one end of the pipe mold 4 in the initial state can wind the material on the pipe mold 4 in a spiral manner.

[0049] In the embodiment, the crank connecting rod mechanism includes a motor, a driving part 211 and a driven part 212. One end of the driving part 211 is connected with the output end of the motor, and the other end of the driving part 211 is hinged with one end of the driven part 212. The other end of the driven part 212 is hinged with the output rod 24. The motor drives the driving part 211 to rotate. The driven part 212 is driven by the driving part 211 to rotate at the end connected with the driving part 211, and to move linearly at the other end. By adjusting the rotating speed of the motor, the linear movement speed can be adjusted, thereby adjusting the advancing speed of the output rod 24.

[0050] In the embodiment, the limit support devices 26 are arranged at both ends of the whole stroke range of the main sliding block 251. The limit support devices 26 are fixed on the horizontal slide rail 22, and the output rod 24 passes through the two limit support devices 26 and is rotatably connected with the two limit support devices 26. The limit support devices 26 can support the output rod 24 and guide the movement of the output rod 24, thereby making the structure more stable.

[0051] In the embodiment, the clamping device includes a clamping plate one 231 and a clamping plate two 232. The clamping plate one 231 is fixedly sleeved on the output rod 24. The end of the output rod 24 away from the crank connecting rod mechanism is provided with a thread 233. The clamping plate two 232 is connected with the thread 233 of the output rod 24 to adjust the distance between the clamping plate one 231 and the clamping plate two 232. In this way, the clamping device can stably clamp the pipe mold 4 and can be adjusted according to the length of the pipe mold 4. In order to further improve the stability of the device, a bearing seat 234 with a brake universal wheel can be arranged at the end of the output rod 24 away from the crank connecting rod mechanism. The bearing seat 234 can support the output rod 24 and facilitate the disassembly and removal of the pipe mold 4.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the description of the present application.

Claims

1. A production equipment for a high-temperature resistant ventilation duct, the high-temperature resistant ventilation duct comprising an inner tube, reinforcing ribs, a heat-resistant layer, and reinforcing wires, wherein the reinforcing ribs are spirally wound on the outer wall of the inner tube, the heat-resistant layer is spirally wound on the inner layer and outside the reinforcing ribs, and the reinforcing wires are spirally wound on the outer wall of the heat-resistant layer, the reinforcing wires are double-stranded, and the reinforcing ribs are clamped between the double-stranded wires along the direction of the reinforcing ribs, wherein the material of the inner tube and the heat-resistant layer is glass fiber cloth coated with high-temperature resistant silicone or neoprene rubber, the reinforcing ribs are specifically spring steel wires, and the reinforcing wires are specifically glass fiber wires, nylon wires, or cotton wires; Its features are: The device includes a drive mechanism and a feeding mechanism. The drive mechanism drives the tube mold to rotate around its central axis and move horizontally simultaneously. The feeding mechanism feeds the material to be wound onto the tube mold. The drive mechanism includes a horizontal slide rail, a crank-connecting rod mechanism, a sliding assembly, a clamping device, and an output rod. The crank-connecting rod mechanism is fixed to one end of the horizontal slide rail. The crank-connecting rod is used to drive the output rod to reciprocate in the horizontal direction. The crank-connecting rod mechanism includes a motor, a driving member, and a driven member. One end of the driving member is connected to the output end of the motor. The other end of the driving member is hinged to one end of the driven member. The other end of the driven member is hinged to the output rod. The other end of the output rod is provided with a clamping device, which is used to clamp the tube mold and fix it coaxially with the output rod. The clamping device includes a clamping plate one and a clamping plate two. The clamping plate one is fixedly sleeved on the output rod. The end of the output rod away from the crank connecting rod mechanism is provided with a thread. The clamping plate two is threadedly connected to the output rod to adjust the distance between the clamping plate one and the clamping plate two. The sliding assembly includes a main slider, a vertical slide rail, an inclined slide rail, a rack, and a gear. The main slider is slidably connected to the horizontal slide rail and rotatably connected to the output rod. The vertical slide rail is fixedly mounted on the main slider. The inclined slide rail is located above the main slider and is fixedly connected to the horizontal slide rail. The rack is slidably connected to the vertical slide rail. A secondary slider is provided at the top of the rack and is slidably connected to the inclined slider. The gear is fixedly sleeved on the output rod and meshes with the rack.

2. The production equipment for a high-temperature resistant ventilation duct according to claim 1, characterized in that: Limiting support devices are provided at both ends of the entire stroke range of the main slider. The limiting support devices are fixed on the horizontal slide rail. The output rod passes through the two limiting support devices and is rotatably connected to both limiting support devices.

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