A heat box and false twist texturing machine

Abstract

The application provides a heat box and a false twist texturing machine. The heat box comprises a box body, a plurality of heat tracks arranged in the box body, and a flow guide device arranged at the bottom of the heat tracks. The bottom end of the heat track close to the flow guide device is provided with an inclined guide part extending towards the flow guide device. The flow guide device comprises a flow guide wall and a flow guide pipe. The flow guide wall forms a flow guide cavity which is open and overall downwardly inclined relative to the horizontal plane. The flow guide pipe is communicated with the flow guide cavity. The flow guide cavity is open at one end close to the inclined guide part. The vertical normal line of the bottom end of the inclined guide part intersects with the collection surface defined by the opening. The flow guide device disclosed in the application reduces the energy consumption of the heat box and the false twist texturing machine.

Description

Technical Field

[0001] This invention relates to the field of textile machinery technology, and in particular to a hot box and a false twist texturer. Background Technology

[0002] During the processing of chemical fiber filaments, for example, when a hot box heats pre-drawn yarn (POY) and other chemical fibers, and then stretches the chemical fibers by subsequent conveying rollers, and when a false twisting device is used to perform false twisting deformation on the heated chemical fibers, a large amount of oil fumes are generated because the chemical fibers decompose at high temperatures or the additives added during the chemical fiber processing volatilize in the high-temperature environment formed by the hot box.

[0003] Existing technologies typically employ a negative pressure source connected to the exhaust pipe of the heating box, creating negative pressure inside the box to expel cooking fumes. However, because the negative pressure source cannot completely and promptly extract the volatile cooking fumes from the heating box, the fumes adhere to the heating rails and accumulate, forming grease. Since the heating box is usually installed at an angle, the grease on the heating rails drips from the gap between the heating rails and the door panel under gravity. In particular, to improve the extraction efficiency of cooking fumes, existing technologies usually require continuous extraction of the fumes generated in the heating box or increasing the suction force of the negative pressure source. However, this results in a significant loss of heat within the heating box, leading to excessive heat loss from the heating box and the included false-twisting texturing machine, resulting in energy waste.

[0004] It should be noted that the above description of the background technology is only for the purpose of providing a clear and complete explanation of the technical solutions of this application and facilitating understanding by those skilled in the art. It should not be assumed that these technical solutions are known to those skilled in the art simply because they have been described in the background technology section of this application. Summary of the Invention

[0005] The purpose of this invention is to disclose a hot box and a false twisting texturer, which can solve many defects of the hot box in the prior art, especially to reduce the energy consumption of the hot box and the false twisting texturer.

[0006] To achieve the above objectives, in a first aspect, the present invention provides a hot box, comprising: a box body, a plurality of hot rails disposed within the box body, and a flow guiding device disposed at the bottom of the hot rails;

[0007] The bottom end of the heat rail near the flow guide device is constructed with an inclined guide portion extending toward the flow guide device;

[0008] The flow guiding device includes: a flow guiding wall and a flow guiding pipe, wherein the flow guiding wall forms a flow guiding cavity with an opening and is inclined downwards overall relative to the horizontal plane, and the flow guiding pipe communicates with the flow guiding cavity;

[0009] The opening is formed at one end of the flow guiding cavity near the inclined guide section, and the vertical normal of the bottom end of the inclined guide section intersects the collection surface defined by the opening.

[0010] As a further improvement of the present invention, the flow guide wall includes:

[0011] The peripheral wall that encloses the flow guide cavity is configured to have a flow guide portion that extends partially through the vertical normal of the bottom end of the inclined guide portion.

[0012] As a further improvement of the present invention, the flow guide wall includes:

[0013] A base is formed on the base and together with the base forms the peripheral wall of the flow guiding cavity;

[0014] The peripheral wall is constructed to form a guide portion that extends partially beyond the bottom end of the inclined guide portion along a vertical normal.

[0015] As a further improvement of the present invention, the flow guide wall includes:

[0016] A bottom wall that is inclined downward relative to the horizontal surface, two opposing side walls that extend along the length of the bottom wall, and a guide wall that is inclined downward relative to the horizontal surface;

[0017] The guide wall extends to the bottom wall and connects laterally to the side wall. The guide wall extends toward the hot rail and partially extends past the vertical normal of the bottom end of the inclined guide portion. The guide wall forms an obtuse angle with the vertical normal. The bottom wall, the side wall, and the guide wall together enclose the flow cavity.

[0018] As a further improvement of the present invention, one end of the bottom wall near the hot rail abuts against the inclined guide portion or extends partially into the inclined guide portion.

[0019] As a further improvement of the present invention, one end of the bottom wall near the hot rail abuts against the inclined guide portion or extends partially into the inclined guide portion, and the side wall extends toward the hot rail and abuts against the inclined guide portion or extends partially into the inclined guide portion.

[0020] As a further improvement of the present invention, the end of the peripheral wall near the hot rail is configured to abut against the inclined guide portion or partially extend into the inclined guide portion.

[0021] As a further improvement of the present invention, the end of the flow guiding cavity away from the opening is connected to the flow guiding pipe, the flow guiding pipe is inclined downward relative to the horizontal plane, and the inner wall of the pipe opening at the end of the flow guiding pipe connected to the flow guiding wall smoothly transitions with the inner wall of the side of the peripheral wall facing the hot rail, so as to at least discharge oil stains from the box.

[0022] As a further improvement of the present invention, the guide pipe is disposed on the bottom wall, and the inner wall of the pipe opening at the end of the guide pipe connected to the bottom wall smoothly transitions with the inner wall of the guide wall facing the hot rail, so as to at least discharge oil stains from the housing.

[0023] As a further improvement of the present invention, the hot box further includes:

[0024] A support plate is installed inside the housing and connected to the flow guide wall.

[0025] As a further improvement of the present invention, the hot box further includes:

[0026] A mounting groove formed inside the housing, and a baffle disposed inside the housing;

[0027] The hot rail and the flow guiding device are disposed in the mounting groove, and the baffle extends into the mounting groove to clamp the flow guiding wall.

[0028] As a further improvement of the present invention, the guide wall is configured with a positioning portion facing the hot rail, the positioning portion being interconnected with the hot rail.

[0029] As a further improvement of the present invention, the hot box further includes: a first suction pipe that penetrates the box body and communicates with the guide pipe.

[0030] As a further improvement of the present invention, the hot box further includes: a second suction pipe connected to the box body and disposed away from the inclined guide portion, wherein the suction force generated by the second suction pipe is greater than the suction force generated by the first suction pipe.

[0031] As a further improvement of the present invention, the hot rail forms a channel for chemical fibers to pass through, and channel walls are formed on both sides of the channel, the channel walls and the end of the channel extending to the inclined guide portion.

[0032] The width of the guide wall formed laterally is greater than the lateral width between the groove walls.

[0033] In a second aspect, the present invention also provides a false twist texturer, comprising: a yarn conveying device, a cooling device, a false twisting device, and a heat box as described in any one of the first aspects, disposed between the yarn conveying device and the cooling device.

[0034] Compared with the prior art, the beneficial effects of the present invention are as follows: the oil sludge is guided to converge at the bottom of the inclined guide part by the inclined guide part, and the oil sludge drips down from the bottom of the inclined guide part under the action of gravity. By intersecting the vertical normal of the bottom of the inclined guide part with the collection surface, the oil droplets can pass through the collection surface and enter the guide cavity through the opening, so as to flow into the guide pipe along the guide wall. The oil sludge is concentrated and discharged from the hot box through the guide pipe, preventing the oil sludge from dripping from the bottom of the hot rail from the gap between the hot rail and the door panel. It can also reduce the demand for the exhaust air volume of the negative pressure source, thereby reducing the heat loss of the hot box and the false twisting machine containing the hot box, and reducing the energy consumption of the hot box and the false twisting machine. Attached Figure Description

[0035] Figure 1 This is a schematic cross-sectional view of the hot box disclosed in this invention;

[0036] Figure 2 for Figure 1 The enlarged view shown in the middle circle A shows that the peripheral wall encloses and forms a flow guide cavity;

[0037] Figure 3 This is a schematic diagram of the flow guiding device in another embodiment, wherein the peripheral wall and the base together enclose a flow guiding cavity;

[0038] Figure 4 This is a schematic diagram of a flow guiding device in another embodiment, wherein the flow guiding wall includes a bottom wall, a side wall, and a guide wall;

[0039] Figure 5 A schematic diagram showing the end of the peripheral wall near the hot rail abutting against the inclined guide section;

[0040] Figure 6 A schematic diagram showing the bottom wall near the hot rail abutting against the inclined guide section;

[0041] Figure 7 This is a schematic diagram showing the bottom wall and side wall near the hot rail abutting against the inclined guide, wherein the side wall is constructed with a positioning part extending toward the hot rail;

[0042] Figure 8 This is a three-dimensional schematic diagram of the hot box disclosed in this invention, omitting the flow guiding device;

[0043] Figure 9 for Figure 8 The enlarged view shown in center circle C;

[0044] Figure 10 A schematic diagram showing that the inclined guide section is configured as a concave surface;

[0045] Figure 11 A schematic diagram showing the inclined guide section configured as a convex surface;

[0046] Figure 12A schematic diagram showing the portion of the guide wall or guide plate that extends into the sidewall and the triangular connecting plate that fills the sidewall;

[0047] Figure 13 For along Figure 12 A cross-sectional view formed by cutting the bottom wall and side walls along the DD direction;

[0048] Figure 14 A schematic diagram showing the formation of the channel and walls of the hot rail;

[0049] Figure 15 This is a schematic diagram of a false twisting deformation machine including a hot box disclosed in this invention. Detailed Implementation

[0050] The present invention will now be described in detail with reference to the embodiments shown in the accompanying drawings. However, it should be noted that these embodiments are not intended to limit the present invention. All equivalent changes or substitutions in function, method, or structure made by those skilled in the art based on these embodiments are within the scope of protection of the present invention.

[0051] During the heat treatment of synthetic fibers (e.g., pre-drawn yarn) in the hot box, the fibers decompose at high temperatures or the additives added during the processing volatilize in the high-temperature environment of the hot box, resulting in a large amount of oil fumes. In existing technology, a negative pressure source is typically used to connect the exhaust pipes at the top and bottom of the hot box. This creates negative pressure inside the hot box (i.e., the space 802 formed between the hot rail 10 and the door panel 801) to expel the oil fumes. However, because the negative pressure source cannot completely and promptly extract the volatilized oil fumes from the hot box, with increasing usage time, the oil mist contained in the fumes adheres to the hot rail and gradually accumulates, forming oil stains. Simultaneously, since the hot box is usually installed at an angle on the false-twist texturing machine, the hot rail tilts with the hot box. Under the influence of gravity, the oil stains on the hot rail flow naturally along the tilt direction of the hot rail, converging at the bottom of the hot rail, causing the oil stains to drip from the bottom of the hot rail through the gap between the hot rail and the door panel. In particular, in the prior art, to suppress the generation of oil stains and improve the extraction effect of oil fumes, it is usually necessary to continuously perform extraction operations on the oil fumes generated in the hot box or increase the suction force of the negative pressure source. However, this will cause a large amount of heat loss in the hot box, resulting in excessive heat loss in the hot box and the false twist texturer containing the hot box, leading to energy waste. The hot box 100 in this application can be understood as the deformation hot box configured in the false twist texturer 1000, or, for example, the heating treatment of chemical fiber N using biphenyl heating method and applied in other types of fiber processing equipment (i.e., the higher-level concept of the false twist texturer 1000). This application does not specifically limit or exclude it.

[0052] The heat box 100 disclosed in the present application is used for performing heat treatment on chemical fibers. The inclined guide portion 11 guides oil dirt to converge toward the bottom end 111 of the inclined guide portion 11, and the oil dirt flows from the bottom end 111 of the inclined guide portion 11 under the action of gravity along Figure 2 drips downward in the direction shown by arrow B2. By making the collection surface P intersect with the vertical normal Z of the bottom end 111 of the inclined guide portion 11, oil droplets can pass through the collection surface P, enter the flow guide cavity 210 through the opening 2101, flow along the flow guide wall 21 into the flow guide pipe 22, and the oil dirt is collectively discharged out of the heat box 100 through the flow guide pipe 22, which prevents the oil dirt from dripping from the gap between the hot rail 10 and the door panel 801 at the bottom end of the hot rail 10, and can also reduce the demand for the exhaust air volume of the negative pressure source, eliminating the need for continuous high-intensity oil fume exhaust operation. Even if the smoke exhaust pipe (i.e., the first suction pipe 70) below the heat box 100 is not connected to a negative pressure source, the accumulation of oil dirt in the heat box 100 can be suppressed, and the oil dirt can be discharged from the heat box 100, thereby reducing heat loss in the heat box 100 and the false twist texturing machine 1000 including the heat box 100, reducing energy waste, and achieving the purpose of energy saving and consumption reduction. Meanwhile, combined with Figure 12 as shown, the heat box 100 disclosed in the present application can also allow the oil dirt to be collected and discharged by the flow guide device 20 when dripping downward in the direction shown by arrow B2 along Figure 4 , which effectively prevents the dripping high-temperature oil droplets from contaminating the ground, and can avoid personal injury to the operating personnel in the operation passage 500 of the false twist texturing machine 1000 caused by the dripping high-temperature oil droplets.

[0053] Please refer Figures 1 to 15 to a specific embodiment of the heat box and the false twist texturing machine disclosed.

[0054] refer Figure 1 , Figure 2 and Figure 6 as well as Figure 7 as shown, the heat box 100 includes: a box body 80, a plurality of hot rails 10 disposed in the box body 80, and a flow guide device 20 disposed at the bottom of the hot rails 10; the bottom end of the hot rail 10 close to the flow guide device 20 is configured as an inclined guide portion 11 extending toward the flow guide device 20; the flow guide device 20 includes a flow guide wall 21 and a flow guide pipe 22, the flow guide wall 21 forms a flow guide cavity 210 which is provided with an opening 2101 and is entirely inclined downward relative to the horizontal plane, and the flow guide pipe 22 is in communication with the flow guide cavity 210; an opening 2101 is formed at one end of the flow guide cavity 210 close to the inclined guide portion 11, and the vertical normal Z of the bottom end 111 of the inclined guide portion 11 intersects with the collection surface P defined by the opening 2101.

[0055] During the heat treatment of the chemical fiber in the hot box 100, the oil accumulated on the hot rail 10 flows naturally along the inclined direction of the hot rail 10 under the action of gravity and converges towards the bottom of the hot rail 10. The inclined guide part 11 guides the oil converging towards the bottom of the hot rail 10 along... Figure 2 The oil flows along the inclined guide section 11 in the direction indicated by the middle arrow B1, so that the oil pools converge at the bottom end 111 of the inclined guide section 11. Under the action of gravity, the oil pools flow from the bottom end 111 of the inclined guide section 11 along... Figure 2 As indicated by the middle arrow B2, the oil droplets fall downwards. Since the collection surface P intersects the vertical normal Z of the bottom end 111 of the inclined guide part 11, the oil droplets can pass through the collection surface P and enter the guide cavity 210 through the opening 2101, so as to flow into the guide pipe 22 along the guide wall 21. The oil is then discharged from the hot box 100 through the guide pipe 22.

[0056] In some examples, the parameter Figure 1 and Figure 7 and Figure 8 As shown, the housing 80 is the outer shell of the heating box 100, used to house the heating rail 10 and the flow guiding device 20. The synthetic fiber N forms a movement path M when conveyed into the heating box 100, and is heated by the high-temperature environment inside the heating box 100. The heating box 100 is installed at an angle on the false-twist texturing machine 1000, and the heating rail 10 is tilted along with the heating box 100. Therefore, the heating rail 10 has a certain tilt angle relative to the horizontal surface, such as 50°, 55°, 60°, etc. This invention does not limit this angle, so that the oil can flow naturally along the heating rail 10 and converge to the bottom end 111 of the inclined guide part 11 by gravity.

[0057] In some examples, the flow guide wall 21 and the flow guide tube 22 are configured as an integrated structure, or the flow guide wall 21 and the flow guide tube 22 are configured as detachable separate components, which is not limited by the present invention.

[0058] In some examples, the tilt guide 11 can be configured as follows: Figure 2 The plane shown, or as Figure 10 and Figure 11 The curved surface shown, or even a combination of a curved surface and a plane (not shown in this case), is acceptable as long as it can guide the material to converge at the bottom end 111 of the inclined guide section 11. For example, the inclined guide section 11, which is curved, has the following characteristics: Figure 10 The concave surface 11b shown is concave upward relative to the horizontal plane h2, or has, as Figure 11 The convex surface 11a that protrudes downward relative to the horizontal plane h1 shown is not limited in this invention.

[0059] In some examples, the inclined guide portion 11 extends toward the flow guide wall 21, the extending direction of the inclined guide portion 11 forms an included angle with the horizontal plane, and the flow speed of oil contamination can be adjusted by setting the inclination angle of the inclined guide portion 11.

[0060] In some examples, refer Figure 2 as shown, the flow guide cavity 210 as a whole is inclined downward relative to the horizontal plane H, as shown Figure 2 herein, the inclination direction E of the entire flow guide cavity 210 forms an included angle α with the horizontal plane H. By setting the included angle α of the flow guide cavity 210, the flow direction of oil contamination is adjusted, ensuring that the oil contamination can smoothly flow to the flow guide pipe 22 under the action of gravity, while preventing the oil contamination from stagnating and accumulating on the flow guide wall 21. It should be noted that under the condition that the flow guide wall 21 does not interfere with the moving path M formed by the chemical fiber in the box body 80, the closer the included angle α is to 90°, the faster the flow speed of the oil contamination on the flow guide wall 21, and the higher the discharge efficiency. By adjusting the included angle α of the flow guide cavity 210, efficient discharge of the oil contamination can be ensured, and it is required to avoid affecting the moving path M of the chemical fiber.

[0061] In some examples, the hot rail 10 forms a channel 12 for chemical fiber to pass through, and groove walls 13 formed on both sides of the channel 12. The ends of the groove walls 13 and the channel 12 extend to the inclined guide portion 11. During the process of heating the chemical fiber by the hot box 100, the oil mist contained in the oil fume adheres to the surfaces of the groove walls 13 and the channel 12 and gradually accumulates to form oil contamination. The oil contamination accumulated on the surfaces of the groove walls 13 and the channel 12 naturally flows along the inclination direction of the hot rail 10 under the action of gravity, so as to smoothly flow to the inclined guide portion 11 at the ends of the groove walls 13 and the channel 12, avoiding accumulation on the surfaces of the groove walls 13 and the channel 12, and finally be discharged out of the hot box 100.

[0062] Refer Figure 14 as shown, the width w2 of the flow guide wall 21 formed along the transverse direction (i.e., Figure 8 the direction indicated by the X axis in the figure) is greater than the transverse width w1 between the groove walls 13. The transverse width w2 of the flow guide wall 21 is greater than the transverse width w1 of the three sets of groove walls 13. The transverse width w of the flow guide wall 21 includes the width of the bottom wall 214 that abuts against the inclined guide portion 11 or partially extends into the inclined guide portion 11, also includes the overall width of the bottom wall 214 and the side wall 215 that abut against the inclined guide portion 11 or partially extend into the inclined guide portion 11, and further includes the width of the flow guide cavity 210 enclosed by the peripheral wall 211, so that the flow guide wall 21 can fully guide the oil contamination flowing from the ends of the groove walls 13 and the channel 12 to the inclined guide portion 11 into the flow guide cavity 210, preventing the oil contamination from leaking during the process of flowing toward the flow guide wall 21.

[0063] In some examples, refer Figure 2 as shown, the flow guide wall 21 includes: a peripheral wall 211 that encloses to form the flow guide cavity 210 (i.e., Figure 2 As shown in the diagram, the peripheral wall 211a) is constructed with a guide portion 2111 that partially extends past the vertical normal Z of the bottom end 111 of the inclined guide portion 11. The opening 2101 and the guide portion 2111 are collectively defined as follows: Figure 2 The collection surface P1 shown is designed so that the vertical normal Z of the bottom end 111 of the inclined guide 11 intersects with the collection surface P1. Under the influence of gravity, oil sludge flows from the bottom end 111 of the inclined guide 11 along... Figure 2 When the oil drips downwards in the direction indicated by the middle arrow B2, it passes through the vertical normal Z of the bottom end 111 of the inclined guide section 11 via the guide section 2111, allowing the oil to enter the guide cavity 210 through the opening 2101 and drip onto the guide section 2111. The guide section 2111 then guides the oil to flow along the peripheral wall 211a to the guide pipe 22, where the oil is collected and discharged from the heat box 100.

[0064] In some examples, the parameter Figure 3 As shown, the flow guide wall 21 includes: a base 213, and a peripheral wall 211 formed on the base 213 and together with the base 213 to form the flow guide cavity 210 (i.e., Figure 3 The peripheral wall 211b is shown; the peripheral wall 211 is constructed to have a guide portion 2111 that partially extends through the vertical normal Z of the bottom end 111 of the inclined guide portion 11. The opening 2101 and the guide portion 2111 are collectively defined as follows: Figure 3 The collection surface P2 is shown to ensure that the vertical normal Z of the bottom end 111 of the inclined guide section 11 intersects with the collection surface P2. Under the influence of gravity, oil sludge flows from the bottom end 111 of the inclined guide section 11 along... Figure 3 When the oil drips downwards in the direction indicated by the middle arrow B2, the oil will enter the guide cavity 210 through the opening 2101 and drip onto the guide section 2111 because the guide section 2111 extends past the vertical normal Z of the bottom end 111 of the inclined guide section 11. The oil will then be guided by the guide section 2111 to flow along the peripheral wall 211b to the guide pipe 22, and the oil will be discharged from the heat box 100 through the guide pipe 22.

[0065] In some examples, the parameter Figure 5 As shown, the end of the peripheral wall 211 near the hot rail 10 is configured to form a drainage portion 2122 that abuts against the inclined guide portion 11 or partially extends into the inclined guide portion 11. Figure 5 Taking the guide wall 21, which includes the base 213 and the peripheral wall 211b, as an example, the drainage portion 2122 is formed in the peripheral wall 211b. The opening 2101, the guide portion 2111, and the drainage portion 2122 are collectively defined as follows: Figure 5 The collection surface P3 shown is designed so that the vertical normal Z of the bottom end 111 of the inclined guide 11 intersects with the collection surface P3. The inclined guide 11 guides the oil sludge along the inclined guide 11. Figure 5The oil flows towards the peripheral wall 211 in the direction indicated by the middle arrow B1. Because the drainage section 2122 abuts against the inclined guide section 11 or partially extends into the inclined guide section 11, some of the oil that does not drip from the bottom end 111 of the inclined guide section 11 can flow from the bottom end 111 of the inclined guide section 11 along... Figure 5 The oil flows through the drainage section 2122 and into the guide cavity 210 in the direction indicated by the middle arrow B21. Then, the base 213 guides the oil to flow to the guide pipe 22, and the oil is discharged from the heat box 100 through the guide pipe 22.

[0066] In some examples, the drainage portion 2122 extends into the inclined guide portion 11 (not shown in this case), making the joint between the peripheral wall 211 and the inclined guide portion 11 tighter, thereby reducing any possible gaps, preventing oil from leaking as it flows toward the peripheral wall 211, and reducing the risk of contamination of the external working area of ​​the hot box 100.

[0067] In some examples, the parameter Figure 2 and Figure 3 As shown, the end of the guide cavity 210 away from the opening 2101 is connected to the guide pipe 22. The guide pipe 22 is inclined downward relative to the horizontal plane. The inner wall 221 of the pipe opening at the end of the guide pipe 22 connected to the guide wall 21 smoothly transitions to the inner wall 2113 of the side of the peripheral wall 211 facing the hot rail 10, so as to at least discharge the oil sludge from the box 80. Under the action of gravity, the oil sludge flows from the bottom end 111 of the inclined guide part 11 along... Figure 2 (or Figure 3 Oil dripping downwards into the guide cavity 210 as indicated by arrow B2 is guided by the guide section 2111 to flow into the guide pipe 22, where it is then discharged from the heat box 100. The smooth transition between the inner wall 221 of the pipe opening and the inner wall 2113 of the peripheral wall 211 allows the oil on the guide section 2111 to flow more smoothly into the guide pipe 22, where it is discharged. A space 802 is formed between the door panel 801 and the heat rail 10, ultimately discharging the oil from the box 80. This prevents oil from stagnating or accumulating in the guide cavity 210 due to flow resistance, thus improving oil discharge efficiency.

[0068] It should be noted that the participants Figure 2 and Figure 3As shown, the area of ​​the opening 2101 of the guide cavity 210 can be greater than, less than, or equal to the area of ​​the connecting opening 222 formed by the connection between the guide pipe 22 and the guide cavity 210. As long as the oil dripping downwards from the bottom end 111 of the inclined guide part 11 can pass through the opening 2101 and enter the guide cavity 210, allowing the guide pipe 22 to discharge the oil, it is acceptable. Furthermore, the collecting surface P can be flat, concave, or convex, as long as it allows the oil dripping downwards from the bottom end 111 of the inclined guide part 11 to pass through the collecting surface P and through the opening 2101 to enter the guide cavity 210.

[0069] In some examples, the parameter Figure 4 and Figure 13 As shown, the flow guide wall 21 includes: a bottom wall 214 inclined downward relative to the horizontal surface, two opposing side walls 215 extending along the length direction of the bottom wall 214, and a guide wall 216 inclined downward relative to the horizontal surface; the guide wall 216 extends to the bottom wall 214 and is laterally connected to the side walls 215, the guide wall 216 extends toward the vertical normal Z of the bottom end 111 of the inclined guide part 11 towards the extension portion of the hot rail 10, the guide wall 216 forms an obtuse angle β with the vertical normal Z, and the bottom wall 214, the side walls 215 and the guide wall 216 together enclose to form a flow guide cavity 210.

[0070] The extension 2162 of the guide wall 216 extends through the vertical normal Z of the bottom end 111 of the inclined guide portion 11, and the extension 2162 and the bottom wall 214 together define as follows: Figure 4 The collection surface P4 shown is designed so that the vertical normal Z of the bottom end 111 of the inclined guide 11 intersects with the collection surface P4. Under the influence of gravity, oil sludge flows from the bottom end 111 of the inclined guide 11 along... Figure 4 When the oil drips downwards in the direction indicated by the middle arrow B2, because the extended portion 2162 of the guide wall 216 extends beyond the vertical normal Z of the bottom end 111 of the inclined guide portion 11, the oil will pass through the opening 2101 into the guide cavity 210 and drip onto the guide wall 216. The guide wall 216 then forms an obtuse angle β with the vertical normal Z, allowing the guide wall 216 to guide the oil along... Figure 4 The flow direction indicated by the middle arrow B3 is through the guide pipe 22, which collects and discharges the oil sludge from the hot box 100. It should be noted that the accompanying drawings (e.g., ...) included in this application... Figures 1 to 7 , Figures 10 to 12 All are perpendicular to Figure 8 A sectional view or partial sectional view formed by cutting the hot box 100 along the X-axis.

[0071] In some examples, the portion of guide wall 216 extending beyond sidewall 215 fills the space between it and sidewall 215 to form a shape similar to... Figure 12 The triangular connecting plate 27 shown is for connecting the bottom end 111 of the inclined guide portion 11 along... Figure 12The oil dripping onto the guide wall 216 in the direction indicated by the middle arrow B22 is intercepted and collected to prevent the oil from escaping from the guide wall 216 into the guide cavity 210.

[0072] In some examples, the parameter Figure 6 As shown, the end of the bottom wall 214 near the hot rail 10 abuts against the inclined guide portion 11 or partially extends into the inclined guide portion 11. The opening 2101 and the extension portion 2162 of the guide wall 216 are defined together as follows: Figure 6 The collection surface P5 shown is designed so that the vertical normal Z of the bottom end 111 of the inclined guide 11 intersects with the collection surface P5. The inclined guide 11 guides the oil sludge along the inclined guide 11. Figure 6 The oil flows towards the bottom wall 214 in the direction indicated by the middle arrow B1. Since the end of the bottom wall 214 near the hot rail 10 abuts against the inclined guide portion 11 or partially extends into the inclined guide portion 11, some of the oil that did not drip from the bottom end 111 of the inclined guide portion 11 can flow from the inclined guide portion 11 along... Figure 6 As indicated by the middle arrow B21, the oil flows into the guide cavity 210 along the bottom wall 214, and is guided by the bottom wall 214 into the guide pipe 22 and along... Figure 6 The oil flows in the direction indicated by the middle arrow B3, so as to concentrate and discharge the oil sludge from the hot box 100 through the guide pipe 22.

[0073] In some examples, the parameter Figure 7 As shown, the bottom wall 214, near the end of the hot rail 10, abuts against the inclined guide portion 11 or extends partially into the inclined guide portion 11. The side wall 215 extends toward the hot rail 10 and abuts against the inclined guide portion 11 or extends partially into the inclined guide portion 11. The opening 2101 and the extension portion 2162 of the guide wall 216 are collectively defined as follows: Figure 7 The collection surface P6 shown is designed so that the vertical normal Z of the bottom end 111 of the inclined guide section 11 intersects with the collection surface P6. The bottom wall 214 and side wall 215 abut against or partially extend into the inclined guide section 11, allowing oil stains on the inclined guide section 11 to flow towards the bottom wall 214 and side wall 215. The bottom wall 214 and side wall 215 guide the oil stains to the guide cavity 210. Simultaneously, the guide wall 216 intercepts the oil stains on the side wall 215 and guides them towards the guide cavity 210, preventing oil stains from escaping from the side wall 215 and preventing oil stains from leaking from the side wall 215 into the interior or exterior of the housing 80.

[0074] In some examples, the bottom wall 214 and the side wall 215 extend into the inclined guide portion 11 (not shown) near the end of the hot rail 10, making the joints between the bottom wall 214 and the side wall 215 and the inclined guide portion 11 tighter, so as to reduce any possible gaps, prevent oil from leaking during the flow process, and reduce the risk of contamination of the external working area of ​​the hot box 100.

[0075] In some examples, the parameter Figure 4 As shown, the guide pipe 22 is disposed on the bottom wall 214. The inner wall 221 of the pipe opening at one end of the guide pipe 22 connected to the bottom wall 214 smoothly transitions with the inner wall 2161 of the guide wall 216 facing the hot rail 10, so as to at least discharge oil stains from the housing 80. The smooth transition between the inner wall 221 of the pipe opening and the inner wall 2161 of the guide wall 216 facing the hot rail 10 allows the oil to flow smoothly from the bottom end 111 of the inclined guide section 11 along... Figure 4 Oil stains dripping onto the guide wall 216 in the direction indicated by the middle arrow B2 can flow more smoothly along the inner wall 2161 of the guide wall 216 through the inner wall 221 of the pipe and into the guide pipe 22. The guide pipe 22 then discharges the oil stains in a concentrated manner, forming a space area 802 between the door panel 801 and the hot rail 10, so as to finally discharge the oil stains from the box 80. This avoids the oil stains from being stuck or accumulating in the guide cavity 210 due to the resistance of the oil stains flow, thereby improving the oil stain discharge efficiency.

[0076] In some examples, the parameter Figure 2 and Figure 8 and Figure 9 As shown, the hot box 100 also includes a support plate 60 disposed within the box body 80 and connected to the flow guide wall 21. The support plate 60 is disposed on the sheet metal part 81 of the box body. The support plate 60 has a positioning hole 61 for the flow guide tube 22 to pass through. The flow guide wall 21 is constructed with a connecting part (not shown) formed outside the flow guide cavity 210. The connecting part can be fixed to the support plate 60 by bolts or other fasteners in a detachable connection manner, or fixed to the support plate 60 by welding or other non-detachable connection methods, so as to provide a stable support structure for the flow guide device 20 through the support plate 60. The positioning hole 61 can provide precise positioning for the flow guide tube 22, so that the flow guide device 20 can be installed in the correct position in the hot box 100 by inserting the flow guide tube 22 into the positioning hole 61, thereby reducing installation errors.

[0077] In some examples, the parameter Figure 2 and Figure 9As shown, the hot box 100 also includes: a mounting groove 41 formed within the box body 80, and a baffle 50 disposed within the box body 80; the hot rail 10 and the flow guiding device 20 are disposed in the mounting groove 41, and the baffle 50 extends into the mounting groove 41 to clamp the flow guiding wall 21. Through physical force, the baffle 50 clamps two opposing side walls 215 or clamps the peripheral wall 211 (not shown) to firmly fix the flow guiding device 20 within the mounting groove 41, preventing the flow guiding device 20 from loosening during the operation of the hot box 100. It should be noted that the transverse cross-sectional shape of the side wall 215 can be arc-shaped, and the transverse cross-sectional shape of the peripheral wall 211 can be annular, polygonal, or other structures. This invention does not limit the transverse cross-sectional shape of the side wall 215 and the peripheral wall 211, as long as the baffle 50 can clamp and fix the flow guiding device 20 within the mounting groove 41. In some examples, the flow guiding device 20 can be fixed to the support plate 60 by detachable connection methods such as bolts, and the flow guiding device 20 can be clamped and fixed in the mounting groove 41 by the baffle 50. This dual fixation of the flow guiding device 20 greatly improves the stability of the installation of the flow guiding device 20.

[0078] In some examples, the parameter Figure 7 As shown, the guide wall 21 is configured with a positioning portion 218 facing the heat rail 10, and the positioning portion 218 is interconnected with the heat rail 10. The positioning portion 218 is formed in the side wall 215 or the peripheral wall 211. By interconnecting the positioning portion 218 with the heat rail 10, the guide device 20 is fixed in a predetermined position, preventing the position of the guide device 20 in the heat box 100 from shifting, so that the guide device 20 can be stably maintained in the predetermined working position, maintaining the guidance of oil and ensuring the accuracy of discharge. For example, the positioning portion 218 can be inserted into a slot (not shown) constructed in the heat rail 10 to maintain the guide device 20 in the predetermined working position.

[0079] In some examples, the parameter Figure 1 As shown, the heating box 100 also includes a first suction pipe 70 that penetrates the box body 80 and connects to the guide pipe 22. Depending on different operational requirements, the first suction pipe 70 may be connected to a negative pressure source (not shown) or not. When the first suction pipe 70 is connected to a negative pressure source, oil and fumes can be discharged from the heating box 100 through the guide pipe 22, thus extracting and discharging the oil flowing into the guide pipe 22. When the first suction pipe 70 is not connected to a negative pressure source, the oil flowing into the guide pipe 22 flows into the first suction pipe 70 under gravity and is discharged, reducing heat loss within the heating box 100 due to fume extraction operations and thus minimizing heat waste.

[0080] In some examples, the parameter Figure 1As shown, the heating box 100 also includes a second suction pipe 90 connected to the box body 80 and disposed away from the inclined guide portion 11. The first suction pipe 70 and the second suction pipe 90 exert the same or different suction forces on the box body 80. The first suction pipe 70 and the second suction pipe 90 are connected to the same negative pressure source; or, the first suction pipe 70 and the second suction pipe 90 are connected to different negative pressure sources. In this case, the negative pressure sources to which the first suction pipe 70 and the second suction pipe 90 are respectively connected generate the same or different exhaust negative pressure and suction air volume. When the first suction pipe 70 and the second suction pipe 90 are connected to the same negative pressure source, the negative pressure source only needs to provide a constant and uniform pressure to achieve the same suction force for the first suction pipe 70 and the second suction pipe 90. Furthermore, by providing a constant and uniform pressure, the negative pressure source can maintain a stable negative pressure state, thereby keeping the power consumption of the negative pressure source stable, which helps to reduce energy consumption and avoid energy consumption increases caused by power fluctuations, thus achieving higher energy efficiency.

[0081] When the first suction pipe 70 and the second suction pipe 90 are connected to different negative pressure sources, the different negative pressure sources can still provide a constant and uniform pressure to the first suction pipe 70 and the second suction pipe 90, achieving the same suction force for both. Furthermore, the first suction pipe 70 and the second suction pipe 90 can adjust their suction forces according to their respective negative pressure sources. The power consumption of the negative pressure source will depend on the suction negative pressure and suction airflow it independently provides and generates. Each negative pressure source needs to provide different suction negative pressure and suction airflow according to the requirements of the suction pipe it is connected to (i.e., the first suction pipe 70 and the second suction pipe 90).

[0082] In some examples, the longitudinal section of the guide cavity 210 can be formed as follows: Figure 2 The flared structure shown helps to gather and quickly guide the fumes to the guide pipe 22, improving the fume extraction effect.

[0083] In some examples, the suction force generated by the second suction tube 90 is greater than that generated by the first suction tube 70. (See reference...) Figure 9As shown, a space region 802 is formed between the door panel 801 and the hot rail 10. The first suction pipe 70 and the second suction pipe 90 are connected to different negative pressure sources. By adjusting the pressure of the negative pressure sources, the suction force of the first suction pipe 70 and the second suction pipe 90 on the space region 802 can be flexibly controlled, so that the suction force formed by the second suction pipe 90 on the space region 802 is greater than that formed by the first suction pipe 70 on the space region 802. The suction port (not shown) of the second suction pipe 90 extends into the space region 802 at the top of the box 80. Due to the high temperature environment inside the hot box 100, the high-temperature oil fumes will rise to the space region 802 at the top of the box 80, so that the second suction pipe 90 with stronger suction force can more effectively exhaust the oil fumes inside the hot box 100. The first suction pipe 70, with its relatively weak suction force, allows oil sludge to flow naturally to the guide device 20 under gravity without forced suction. The oil then flows into the first suction pipe 70 through the guide pipe 22 and is discharged, reducing heat loss within the hot box 100 caused by oil fume extraction. By providing a lower suction force relative to the second suction pipe 90 through the first suction pipe 70, or by not connecting the first suction pipe 70 to a negative pressure source and having the second suction pipe 90 provide a stronger suction force, the power output of the two negative pressure sources connected to the first and second suction pipes 70 and 90 is matched to the required suction force. This avoids excessive suction of hot air within the space area 802 and energy waste, thereby reducing heat loss from the hot box 100 and the false-twist texturing machine 1000 containing the hot box 100, and lowering the energy consumption of the hot box 100 and the false-twist texturing machine 1000.

[0084] Based on the same inventive concept, this embodiment also discloses a false-twist texturing machine 1000, see reference. Figure 13 As shown, the false-twist texturing machine 1000 includes: a yarn conveying device 200, a cooling device 300, a false-twist device 400, and a heat box 100 disposed between the yarn conveying device 200 and the cooling device 300. Following the yarn conveying device 200 are the heat box 100, the cooling device 300, and the false-twist device 400. Since the yarn conveying device 200, the cooling device 400, and the false-twist device 300 are prior art, they will not be described in detail here. This false-twist texturing machine 1000, equipped with a heat box 100, can reduce heat loss and energy waste in practical applications, contributing to energy conservation and consumption reduction.

[0085] The specific technical solution of the hot box 100 included in the false twisting machine 1000 in this embodiment can be found in any of the foregoing embodiments or any combination of several embodiments, and will not be repeated here.

[0086] The detailed descriptions listed above are merely specific descriptions of feasible embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. All equivalent embodiments or modifications made without departing from the spirit of the present invention should be included within the scope of protection of the present invention.

[0087] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0088] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A heating box, characterized in that, include: A housing, several heat rails disposed within the housing, and a flow guiding device disposed at the bottom of the heat rails; The hot rail is inclined relative to the horizontal plane; The bottom end of the heat rail near the flow guide device is constructed with an inclined guide portion extending toward the flow guide device; The flow guiding device includes: a flow guiding wall and a flow guiding pipe, wherein the flow guiding wall forms a flow guiding cavity with an opening and is inclined downwards overall relative to the horizontal plane, and the flow guiding pipe communicates with the flow guiding cavity; The opening is formed at one end of the flow guiding cavity near the inclined guide section, and the vertical normal of the bottom end of the inclined guide section intersects the collection surface defined by the opening.

2. The heating box according to claim 1, characterized in that, The flow guide wall includes: The peripheral wall that encloses the flow guide cavity is configured to have a flow guide portion that extends partially through the vertical normal of the bottom end of the inclined guide portion.

3. The heating box according to claim 1, characterized in that, The flow guide wall includes: A base is formed on the base and together with the base forms the peripheral wall of the flow guiding cavity; The peripheral wall is constructed to form a guide portion that extends partially beyond the bottom end of the inclined guide portion along a vertical normal.

4. The heating box according to claim 1, characterized in that, The flow guide wall includes: A bottom wall that is inclined downward relative to the horizontal surface, two opposing side walls that extend along the length of the bottom wall, and a guide wall that is inclined downward relative to the horizontal surface; The guide wall extends to the bottom wall and connects laterally to the side wall. The guide wall extends toward the hot rail and partially extends past the vertical normal of the bottom end of the inclined guide portion. The guide wall forms an obtuse angle with the vertical normal. The bottom wall, the side wall, and the guide wall together enclose the flow cavity.

5. The heating box according to claim 4, characterized in that, The bottom wall near the hot rail abuts against the inclined guide portion or extends partially into the inclined guide portion.

6. The heating box according to claim 4, characterized in that, The bottom wall, near the end of the heat rail, abuts against the inclined guide portion or extends partially into the inclined guide portion, and the side wall extends toward the heat rail and abuts against the inclined guide portion or extends partially into the inclined guide portion.

7. The heating box according to claim 2 or 3, characterized in that, The end of the peripheral wall near the hot rail is configured to abut against the inclined guide portion or partially extend into the inclined guide portion.

8. The heating box according to claim 2 or 3, characterized in that, The end of the flow guide cavity away from the opening is connected to the flow guide pipe. The flow guide pipe is inclined downward relative to the horizontal plane. The inner wall of the pipe opening at the end of the flow guide pipe connected to the flow guide wall smoothly transitions to the inner wall of the side of the peripheral wall facing the hot rail, so as to at least discharge oil stains from the box.

9. The heating box according to claim 4, characterized in that, The guide pipe is disposed on the bottom wall, and the inner wall of the pipe opening at the end of the guide pipe connected to the bottom wall smoothly transitions to the inner wall of the side of the guide wall facing the hot rail, so as to at least discharge oil stains from the box.

10. The heating box according to any one of claims 1 to 4, characterized in that, The hot box also includes: A support plate is installed inside the housing and connected to the flow guide wall.

11. The heating box according to any one of claims 1 to 4, characterized in that, The hot box also includes: A mounting groove formed inside the housing, and a baffle disposed inside the housing; The hot rail and the flow guiding device are disposed in the mounting groove, and the baffle extends into the mounting groove to clamp the flow guiding wall.

12. The heating box according to claim 11, characterized in that, The guide wall is configured with a positioning part facing the hot rail, and the positioning part is interconnected with the hot rail.

13. The heating box according to claim 1, characterized in that, The hot box also includes a first suction pipe that penetrates the box body and is connected to the guide pipe.

14. The heating box according to claim 13, characterized in that, The hot box further includes a second suction pipe connected to the box body and disposed away from the inclined guide portion, wherein the suction force generated by the second suction pipe is greater than the suction force generated by the first suction pipe.

15. The heating box according to claim 1, characterized in that, The hot rail forms a channel through which the chemical fiber passes, and channel walls are formed on both sides of the channel, the channel walls and the end of the channel extending to the inclined guide portion. The width of the guide wall formed laterally is greater than the lateral width between the groove walls.

16. A false-twist texturing machine, characterized in that, include: A yarn conveying device, a cooling device, a false twisting device, and a heat box as described in any one of claims 1 to 15, disposed between the yarn conveying device and the cooling device.

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