Microwave heating device of false twist texturing machine
By adopting microwave heating technology in the false twisting deformation machine, the relative movement of the yarn and the high-frequency electromagnetic field can be used to achieve rapid and uniform heating of the yarn, which solves the problems of slow heating speed of the existing heat box and inaccurate temperature control, and improves the production efficiency and maintainability of the equipment.
Patent Information
- Application Number
- CN202421204011.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The existing hot box of false twisting deformer machines has problems such as low heating temperature, slow heating speed, low safety factor, toxic chemicals used, large equipment size, and difficult maintenance, and cannot meet the needs of high vehicle speeds and various yarn varieties.
Microwave heating technology is adopted to rotate at high frequency by the dipoles inside the object under the drive of the microwave field, generating internal friction heat, so that the yarn is heated quickly and evenly. The device includes a box, a cavity, a microwave generator, a microwave tube, a glass wire pipe, a metal conduit, a ceramic ring, a porcelain wheel and a mounting bracket. The yarn moves relative to the high-frequency electromagnetic field in the device to achieve heating.
It realizes rapid and even heating of yarns, reduces production time and energy consumption, expands the controllable temperature range, is suitable for a variety of yarn varieties, and the equipment is overall miniaturized, easy to install and repair, reducing maintenance costs.
Smart Images
Figure CN222574910U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of textile equipment, in particular to a microwave heating device for a false twist texturing machine. Background Art
[0002] The false twist texturing machine is a machine that processes the original yarn into false twist texturing yarn with low elasticity after stretching, false twisting and deformation, and then heating and finalizing. Heating and cooling are necessary conditions for obtaining false twist effect by utilizing the thermoplasticity of synthetic fibers. Heating is performed during the twisting stage of the false twisting process, and its purpose is to utilize the thermal motion of molecules to eliminate the internal stress generated by twisting and fix the twisting deformation. In addition, the plasticity of the yarn is enhanced and the rigidity is weakened after being heated, which can reduce the twisting tension and facilitate twisting.
[0003] The existing hot box is mainly a sealed container-type heating box, the bottom of which is filled with a liquid chemical called biphenyl. When the substance is heated, it vaporizes and fills the entire container. The wire to be heated and deformed passes through the container in full contact, thereby undergoing the heating and deformation process.
[0004] However, the existing technology has the following shortcomings: (1) The heating temperature is relatively low, and the maximum temperature can only be controlled at 270-290°. If the temperature is higher, the gas pressure in the container will increase, reducing the safety factor; (2) Liquid biphenyl heats up slowly, and it takes at least 6 hours of heating process before working to reach the process temperature. At the same time, biphenyl is a toxic chemical substance. Once leaked, it will harm human health and environmental protection; (3) It takes about 0.2 seconds for the silk thread to reach the process temperature requirement in the hot box, so the hot box can only be used with 600-900m / m in speed and cannot be used at higher speeds; (4) the hot box is large in size, more than 2 m long, which not only increases the difficulty of threading the yarn, but also increases the contact opportunities between the yarn and the hot box, making it easier for the yarn to be pulled out of burrs, and also makes the whole machine bulky; the yarn and the hot box are in full contact for heat transfer, which easily pulls out burrs on the yarn, resulting in poor quality of the yarn post-processing process; (5) the controllable temperature range of the hot box is narrow, and fewer types of yarn can be used; (6) the biphenyl hot box is filled with a large amount of rock wool insulation material, the overall weight is large, and it is difficult to install and maintain.
[0005] Microwave heating is achieved by driving the dipoles inside the object to rotate at high frequency under the drive of the microwave field, generating a large amount of internal friction heat, which in turn causes the object's temperature to rise. This process does not require heat conduction, so it can achieve rapid and uniform heat transfer, thereby achieving the purpose of heating. Utility Model Content
[0006] The purpose of the utility model is to provide a microwave heating device for a false twist texturing machine. Microwave heating is achieved by high-frequency rotation of the dipoles inside an object under the drive of a microwave field, which generates a large amount of internal friction heat, thereby raising the temperature of the object. This process does not require heat conduction, so rapid and uniform heat transfer can be achieved, thereby achieving the purpose of heating. This scheme hopes to achieve the purpose of uniform heating of the yarn by using microwave heating technology, when the yarn passes through the heat box at a certain speed, so that it moves relative to the high-frequency electromagnetic field in the device, in order to solve some or all of the above-mentioned technical problems.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A microwave heating device for a false twist texturing machine comprises a box, an inner cavity, a microwave generator, a microwave conduit, a glass wire tube, a metal conduit, a ceramic ring, a ceramic wheel, and a mounting bracket, wherein the inner cavity is arranged inside the box, the microwave generator and the microwave conduit are arranged outside the box, the microwave generator is connected to one end of the microwave conduit, the other end of the microwave conduit is connected to the inner cavity, a plurality of glass wire tubes pass through the bottom and top of the box and penetrate into the inner cavity, a metal conduit is respectively nested at the upper and lower ends of the glass wire tube, a ceramic ring is nested at the top of the metal conduit, the ceramic wheel is fixed to the bottom end of the box through the mounting bracket, and the ceramic wheel matches the position of the glass wire tube. Preferably, the microwave generator is placed at the bottom end of the outer side of the box.
[0009] In an embodiment that can optimize the aforementioned scheme, it also includes a microwave stirring assembly, which is composed of a stirring motor, a metal shaft, and a metal blade. The stirring motor is arranged at the upper end of the microwave guide tube through a flange, the output shaft of the stirring motor is connected to one end of the metal shaft, and the other end of the metal shaft is connected to the metal blade, and the metal blade extends into the inner cavity.
[0010] As a further optional structural optimization, the microwave conduit is a hollow rectangular conduit. The microwave conduit is fixed outside the box, and the rectangular structure is arranged so as to be easily fitted with the surface of the box, and the structure is stable and easy to install.
[0011] As a further optional structural optimization, the connection point between the microwave conduit and the inner cavity is a square hole.
[0012] Further structural optimization is that the connection between the microwave conduit and the microwave generator is a circular hole. The core microwave generating component of the microwave generator is cylindrical, and the circular hole can effectively match the shape of the core component to prevent the dissipation of microwave energy and improve heating efficiency.
[0013] In an embodiment that can optimize the above-mentioned solution, the left and right sides of the inner cavity are arc-shaped walls. The arrangement of the arc-shaped walls can improve the dispersion rate of microwaves in the inner cavity.
[0014] As a further optional structural optimization, the glass wire tube is a hollow cylinder, which can minimize the collision and wear between the yarn and the tube wall, and avoid burrs on the yarn.
[0015] As a further optional structural optimization, a plurality of the glass wire-moving tubes are evenly laid out in the inner cavity.
[0016] Further structural optimization is that a groove is provided in the middle of the ceramic wheel. The ceramic wheel rolls with the yarn during production, reducing friction during yarn operation and avoiding the generation of yarn burrs.
[0017] Further structural optimization, the center of gravity of the glass wire tube, metal conduit, ceramic ring and ceramic wheel is on the same axis. The above structural setting can effectively avoid the contact between the yarn and the glass wire tube and the metal conduit, thereby reducing the generation of burrs and improving the yarn quality.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] The microwave heating device for a false twist texturing machine described in the utility model has the advantages that microwaves can quickly penetrate an object, so that the inside of the object is heated, thereby realizing rapid heating of the yarn; microwave heating can increase the temperature inside and outside the object at the same time, achieving the effect of uniform heating, thereby effectively deforming the yarn and ensuring the quality of the yarn; since microwave heating does not require a preheating process, the time cost and energy consumption of production can be reduced, and the emission of greenhouse gases can be reduced; the temperature is changed by changing the intensity of the high-frequency electromagnetic field in the device, and the controllable temperature range is wide, and it can be applied to yarns of various specifications; the device is small in size and light in weight as a whole, and is easy to install and maintain, thereby improving the equipment installation efficiency and reducing the equipment maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the microwave heating device of the false twist texturing machine of the utility model;
[0022] Figure 2 This is a cross-sectional view of the inner cavity of the microwave heating device of the false twist texturing machine of the utility model;
[0023] Figure 3 It is a top view of the microwave heating device of the false twist texturing machine of the utility model;
[0024] Figure 4 This is an enlarged view of the local structure of the bottom end of the glass wire guide tube of the utility model;
[0025] Figure 5 This is an enlarged view of the local structure of the top of the glass wire-walking tube of the utility model;
[0026] Figure 6 It is a perspective view of the microwave stirring assembly of the utility model;
[0027] Figure 7 It is an enlarged view of the local structure of the microwave stirring assembly of the utility model;
[0028] Figure 8 This is a three-dimensional structural diagram of the metal blade described in the utility model.
[0029] Reference numerals
[0030] 1. Box; 2. Inner cavity; 3. Microwave generator; 4. Microwave guide tube; 5. Microwave stirring assembly; 6. Glass wire guide tube; 7. Metal guide tube; 8. Ceramic ring; 9. Ceramic wheel; 10. Mounting bracket;
[0031] 5a, stirring motor; 5b, metal shaft; 5c, metal blades. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] It should be noted that similar reference numerals denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in the subsequent drawings.
[0034] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used to distinguish descriptions, and cannot be understood as indicating or implying relative importance.
[0035] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0037] See also Figures 1 to 7 , this embodiment provides a microwave heating device for a false twist texturing machine.
[0038] A microwave heating device for a false twist texturing machine comprises a box body 1, an inner cavity 2, a microwave generator 3, a microwave conduit 4, a glass wire tube 6, a metal conduit 7, a ceramic ring 8, a ceramic wheel 9, and a mounting bracket 10. The inner cavity 2 is arranged inside the box body 1, the microwave generator 3 and the microwave conduit 4 are arranged outside the box body 1, the microwave generator 3 is connected to one end of the microwave conduit 4, and the other end of the microwave conduit 4 is connected to the inner cavity 2, a plurality of glass wire tubes 6 pass through the bottom and top of the box body 1 and penetrate into the inner cavity 2, a metal conduit 7 is respectively nested at the upper and lower ends of the glass wire tube 6, a ceramic ring 8 is nested at the top of the metal conduit 7, the ceramic wheel 9 is fixed to the bottom end of the box body 1 through the mounting bracket 10, and the ceramic wheel 9 cooperates with the glass wire tube 6.
[0039] An optimized implementation of the above scheme is: it also includes a microwave stirring assembly 5, which is composed of a stirring motor 5a, a metal shaft 5b, and a metal blade 5c. The stirring motor 5a is arranged at the upper end of the microwave guide tube 4, and the output shaft of the stirring motor 5a is connected to one end of the metal shaft 5b, and the other end of the metal shaft 5b is connected to the metal blade 5c, and the metal blade 5c is arranged in the inner cavity 2.
[0040] Another optimized implementation of the above solution is that the left and right sides of the inner cavity 2 are arc-shaped walls.
[0041] On the basis of the above optimization method, the local structure can be further optimized, which will specifically involve: the microwave conduit 4 is a hollow rectangular conduit. The connection between the microwave conduit 4 and the inner cavity 2 is a square hole. The connection between the microwave conduit 4 and the microwave generator 3 is a circular hole. The glass wire-moving tube 6 is a hollow cylinder. Several of the glass wire-moving tubes 6 are evenly laid in the inner cavity 2. A groove is provided in the middle of the ceramic wheel 9. The center of gravity of the glass wire-moving tube 6, the metal conduit 7, the ceramic ring 8 and the ceramic wheel 9 are on the same axis.
[0042] Working principle:
[0043] A certain electric field strength is given to the microwave generator 3 to enable it to emit a large amount of microwaves. The microwaves enter the metal inner cavity 2 through the microwave conduit 4, and are then quickly and evenly distributed to the inner cavity 2 by the rotating metal blades 5c on the microwave stirring assembly 5. At the same time, a large amount of microwaves are continuously reflected in the metal inner cavity 2. When the yarn enters the glass wire tube 6 from the smooth porcelain ring 8 and the metal conduit 7 at the top of the box, a large amount of evenly dispersed microwaves penetrate the glass wire tube 6 to quickly and evenly heat the yarn to effectively deform it. The heated and deformed yarn passes through the porcelain ring 8 and the metal conduit 7 at the bottom of the glass wire tube 6 and then goes out of the box 1 and is hung on the porcelain wheel 9 fixed to the bottom of the box 1 through the mounting bracket 10, and then enters the next process. The porcelain wheel 9 rolls with the running yarn, reducing burrs caused by yarn friction.
[0044] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A microwave heating device for a false twist texturing machine, characterized in that: The invention comprises a box (1), an inner cavity (2), a microwave generator (3), a microwave conduit (4), a glass wire-moving tube (6), a metal conduit (7), a ceramic ring (8), a ceramic wheel (9), and a mounting bracket (10). The inner cavity (2) is arranged inside the box (1), the microwave generator (3) and the microwave conduit (4) are arranged outside the box (1), the microwave generator (3) is connected to one end of the microwave conduit (4), and the other end of the microwave conduit (4) is connected to the inner cavity (2); a plurality of glass wire-moving tubes (6) penetrate the bottom and top of the box (1) and enter the inner cavity (2); a metal conduit (7) is respectively embedded at the upper and lower ends of the glass wire-moving tube (6), a ceramic ring (8) is embedded at the top of the metal conduit (7), and the ceramic wheel (9) is fixed to the bottom end of the box (1) through the mounting bracket (10), and the ceramic wheel (9) and the glass wire-moving tube (6) are matched in position.
2. A microwave heating device for a false twist texturing machine according to claim 1, characterized in that: The invention also comprises a microwave stirring assembly (5), wherein the microwave stirring assembly (5) is composed of a stirring motor (5a), a metal shaft (5b), and a metal blade (5c); the stirring motor (5a) is arranged at the upper end of the microwave guide tube (4); the output shaft of the stirring motor (5a) is connected to one end of the metal shaft (5b); the other end of the metal shaft (5b) is connected to the metal blade (5c); and the metal blade (5c) is arranged in the inner cavity (2).
3. The microwave heating device for a false twist texturing machine according to claim 1, characterized in that: The microwave conduit (4) is a hollow rectangular parallelepiped conduit.
4. The microwave heating device for a false twist texturing machine according to claim 1, characterized in that: The connection point between the microwave conduit (4) and the inner cavity (2) is a square hole.
5. The microwave heating device for false twist texturing machine according to claim 1, characterized in that: The connection point between the microwave conduit (4) and the microwave generator (3) is a circular hole.
6. The microwave heating device for false twist texturing machine according to claim 1, characterized in that: The inner cavity (2) has arc-shaped walls on the left and right sides.
7. The microwave heating device for false twist texturing machine according to claim 1, characterized in that: The glass wire feeding tube (6) is a hollow cylinder.
8. The microwave heating device for false twist texturing machine according to claim 1, characterized in that: A plurality of the glass wire guide tubes (6) are evenly spread in the inner cavity (2).
9. The microwave heating device for false twist texturing machine according to claim 1, characterized in that: The ceramic wheel (9) is provided with a groove in the middle.
10. The microwave heating device for false twist texturing machine according to claim 1, characterized in that: The centers of gravity of the glass wire guide tube (6), the metal guide tube (7), the porcelain ring (8) and the porcelain wheel (9) are on the same axis.