Rapid splicing apparatus and operating process for high tenacity flame resistant yarns

Abstract

The application discloses a quick splicing device and operation process for high-toughness flame-retardant yarn and relates to the technical field of textile equipment. The quick splicing device and operation process for high-toughness flame-retardant yarn can make short fibers and impurities generated in the splicing process enter the dust collecting mechanism along with the flowing gas by setting the dust collecting mechanism, so that the purpose of automatically collecting the impurities generated in the splicing process is achieved, the situation that the air holes are blocked due to the long-term accumulation of short fibers in the splicing cavity is avoided, and the reliability of the yarn splicing device is improved. The first collecting assembly and the second collecting assembly are set to filter and collect the short fibers and impurities generated in the splicing process, the convex blocks are used to intermittently push the conical pressing plate to move up and down reciprocally, the short fibers in the storage assembly are compressed, fluffy short fibers are compacted, and the occupied space is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of textile equipment, in particular to a rapid splicing device for high-toughness flame-retardant yarn and an operation process. BACKGROUND

[0002] The yarn splicing device is a device for splicing two or more yarns together. The working principle of the yarn splicing device is to interweave the fibers of two yarns together through a splicing head to form a stronger connection. The yarn air splicer is a commonly used device for rapid splicing of high-toughness flame-retardant yarn.

[0003] The air splicer for automatic winding machine disclosed in Chinese Patent No. CN214692679U sets the splicing block, the concave positioning groove, the movable panel, the threaded rod and the arc-shaped clamping plate. The operator places one end of the two sections of multi-strand yarn to be spliced in the two concave positioning grooves respectively. By rotating the threaded rod, the two arc-shaped clamping plates are moved and the two sides of the multi-strand yarn are positioned in the concave positioning grooves, improving the positioning applicability of the multi-strand yarn in the splicing work.

[0004] Based on the analysis of the above-mentioned patents, the following technical defects exist:

[0005] The rapid splicing device for high-toughness flame-retardant yarn requires a process of untwisting and re-twisting when splicing two sections of yarn. After the yarn is untwisted, multiple fibers are formed. Under the action of high-speed flowing gas, long fibers are prone to breakage, resulting in the accumulation of a large number of short fiber impurities in the splicing cavity of the rapid splicing device, which easily causes the splicing cavity to be blocked, hindering the flow of gas, and thus causing the rapid splicing device for yarn to malfunction.

[0006] Therefore, the present application provides a rapid splicing device for high-toughness flame-retardant yarn and an operation process to solve the above-mentioned problems. SUMMARY

[0007] In view of the deficiencies of the prior art, the present application provides a rapid splicing device for high-toughness flame-retardant yarn and an operation process, which solves the problem that the long fibers of the high-toughness flame-retardant yarn are prone to breakage under the action of high-speed flowing gas, resulting in the accumulation of a large number of short fiber impurities in the splicing cavity of the rapid splicing device, which easily causes the splicing cavity to be blocked, hindering the flow of gas, and thus causing the rapid splicing device for yarn to malfunction.

[0008] In order to achieve the above object, the present application is implemented by the following technical scheme: the quick splicing equipment for high-toughness flame-retardant yarns comprises a splicing mechanism for quick splicing of high-toughness flame-retardant yarns, the splicing mechanism comprises a splicing box, air holes, avoidance grooves, side plates, placing grooves, dust collection holes and air inlets, the top of the splicing box is provided with a splicing cavity for yarn splicing, a plurality of air holes are uniformly arranged at the bottom of the splicing cavity, the air inlets are fixedly connected to the outer wall of the splicing box, all the air holes are connected to the air inlets through pipelines, the air inlets are used for simultaneously conveying gas to the air holes, the avoidance grooves are arranged at the two sides of the top of the splicing box and are communicated with the splicing cavity, the side plates are fixedly connected to the outer wall of the splicing box and are used for sealing the avoidance grooves to prevent gas from being discharged, the placing grooves are arranged at the top of the side plates and are used for placing the high-toughness flame-retardant yarns after passing through, the dust collection holes are symmetrically arranged at the two sides of the outer wall of the splicing box and are used for discharging gas and short fibers mixed in the gas in the splicing cavity, the dust collection mechanism for collecting short fibers generated in the process of splicing of high-toughness flame-retardant yarns is detachably connected to the position on the outer wall of the splicing box and opposite to the dust collection holes through bolts, the top of the splicing box is provided with a sealing plate assembly for preventing short fibers in the splicing cavity from flying and a sealing assembly for sealing the sealing plate assembly, and the outer wall of the splicing box is provided with a manual air input mechanism for inputting gas into the splicing cavity.

[0009] Preferably, the dust collection mechanism comprises a main pipe and first and second collection assemblies which are detachably connected to the two ends of the main pipe, and the main pipe is used for dispersing air input into the splicing cavity into the first and second collection assemblies.

[0010] Preferably, the first and second collection assemblies are two components which are completely identical in structure, the first collection assembly comprises a dust collection power assembly and an inspection cover which is screw-connected to one side of the outer wall of the dust collection power assembly, and the bottom of the dust collection power assembly is screw-connected with a storage assembly for storing short fibers.

[0011] Preferably, the storage assembly comprises a dust collection cylinder, a heating cavity arranged in the dust collection cylinder and an electric heating wire fixedly connected in the heating cavity for generating heat, an observation port is arranged on the outer wall of the dust collection cylinder and is used for observing the collection amount of short fibers in the dust collection cylinder, a tempered transparent glass is fixedly connected in the observation port, and a plurality of exhaust holes are uniformly arranged on the outer wall of the dust collection cylinder and are used for exhausting air.

[0012] Preferably, the dust collection power assembly comprises a barrel and a horn pipe fixedly connected to the bottom of the barrel, one side of the inside of the barrel is fixedly connected with a filter plate, a transmission shaft is rotatably penetrated into the inside of the filter plate, the both ends of the transmission shaft are fixedly connected with a fan blade and a driving disc respectively, the fan blade and the driving disc are located on the both sides of the filter plate respectively, a scraper is fixedly sleeved on the outer wall of the transmission shaft and close to the driving disc, for scraping off the short fibers adhered to the outer wall of the filter plate, a plurality of protrusions are uniformly fixedly arranged on the outer wall of the driving disc, and a compression assembly for extruding the short fibers is arranged below the protrusions and in the inside of the horn pipe.

[0013] Preferably, the compression assembly comprises a bracket, a lifting rod, a conical pressing plate, a spring baffle, a spring and a rubber spring sheath, two brackets are fixedly connected to the upper and lower sides of the inner wall of the barrel respectively, the lifting rod is slidably penetrated through the two brackets, the conical pressing plate is fixedly connected to the bottom end of the lifting rod and is slidably connected to the inside of the horn pipe, the spring baffle is fixedly sleeved on the outer wall of the lifting rod, the spring is slidably sleeved on the outer wall of the lifting rod, and the rubber spring sheath is sleeved on the outside of the spring, for preventing the short fibers from adhering to the surface of the spring.

[0014] Preferably, the manual air conveying mechanism comprises a hose, a latex air bag and a one-way valve, the hose is fixedly connected to the side wall of the twisting box, the latex air bag is fixedly connected to one end of the hose, and the one-way valve is fixedly connected to the inside of the hose, for allowing only the air cylinder to enter the twisting cavity.

[0015] Preferably, the sealing plate assembly comprises a cover plate and a wire feeding groove, the cover plate is fixedly connected to the top of the twisting box through bolts, the wire feeding groove is arranged on the top of the cover plate, for conveniently placing the high-toughness flame-retardant yarn in the twisting cavity, the sealing assembly comprises a horizontal plate and two vertical plates, the two vertical plates are fixedly connected to the bottom of the horizontal plate on the both sides, the bottom end of the vertical plate is fixedly connected with a rubber pad, the top of the horizontal plate is fixedly connected with a handle, and the horizontal plate is slidably connected to the inside of the wire feeding groove, the vertical plate is slidably inserted into the inside of the placing groove, for sealing the placing groove to prevent the gas from being discharged.

[0016] The application also provides an operation process of the rapid twisting equipment for the high-toughness flame-retardant yarn.

[0017] Step one, firstly, connect the air inlet nozzle with the external air source, take out the sealing assembly from the sealing plate assembly, then place the two yarns on the both sides of the twisting cavity, seal the sealing plate assembly by using the sealing assembly, open the control valve of the air inlet nozzle, and air flows into the twisting cavity through the air holes to perform the twisting operation of the high-toughness flame-retardant yarn.

[0018] Step two, high toughness flame-retardant yarn untwisting and re-twisting operation under air flow impact, short fiber debris is generated during untwisting and twisting operation, short fiber debris is taken into the dust collection mechanism with air flow through the dust collection hole, air is discharged through the dust collection mechanism, and short fibers are filtered inside the dust collection mechanism;

[0019] Step three, pulling out the plugging assembly upwards, and the high toughness flame-retardant yarn with splicing completed is taken out;

[0020] Step four, the sealing plate assembly is sealed again by using the plugging assembly, air is squeezed into the splicing cavity by the manual air feeding assembly, the residual short fibers in the splicing cavity are taken into the dust collection mechanism again with air through the dust collection hole, and the short fibers inside the dust collection mechanism can be cleaned after a period of use.

[0021] Preferably, in the step one, the two high toughness flame-retardant yarns are placed in cross.

[0022] Beneficial effects

[0023] The application provides a rapid splicing device and operation process for high toughness flame-retardant yarn.

[0024] 1. The rapid splicing device and operation process for high toughness flame-retardant yarn, a splicing cavity for yarn splicing is formed on the top of the splicing box, a plurality of air holes are uniformly formed on the bottom of the splicing cavity, an air inlet is fixedly connected to the outer wall of the splicing box, all the air holes are connected to the air inlet through pipelines, the air inlet is used for simultaneously feeding gas to the plurality of air holes, an avoiding groove is formed on the two sides of the top of the splicing box and is communicated with the splicing cavity, a side plate is fixedly connected to the outer wall of the splicing box and is used for sealing the avoiding groove to prevent gas from being discharged, a placing groove is formed on the top of the side plate and is used for placing the high toughness flame-retardant yarn after the yarn passes through the placing groove, dust collection holes are symmetrically formed on the two sides of the outer wall of the splicing box and are used for discharging gas and short fibers mixed in the gas in the splicing cavity, a dust collection mechanism for collecting short fibers generated in the process of splicing the high toughness flame-retardant yarn is detachably connected to the position opposite to the dust collection hole on the outer wall of the splicing box through bolts, a sealing plate assembly for preventing short fibers in the splicing cavity from flying and scattering and a plugging assembly for sealing the sealing plate assembly are arranged on the top of the splicing box, and a manual air feeding mechanism for inputting gas into the splicing cavity is arranged on the outer wall of the splicing box, so that the problem that long fibers are easily broken to generate more short fiber impurities under the action of high-speed flowing gas, the short fiber impurities are accumulated in the splicing cavity of the rapid splicing device, the splicing cavity is easily blocked, the flow of gas is hindered, and the rapid yarn splicing device cannot normally operate is solved.

[0025] 2. The quick splicing device and operation process for high-toughness flame-retardant yarn can use the high-speed flowing gas in the splicing process of the high-toughness flame-retardant yarn to make the short fibers and impurities generated in the splicing process enter the dust collecting mechanism along with the flowing gas, so that the impurities generated in the splicing process are automatically collected, the situation that the air holes are blocked due to the long-term accumulation of short fibers in the splicing cavity is avoided, the air holes are ensured to be unobstructed, and the reliability of the yarn splicing device is improved.

[0026] 3. The quick splicing device and operation process for high-toughness flame-retardant yarn can filter and collect the short fibers and impurities generated in the splicing process through the first and second collecting assemblies arranged in the dust collecting mechanism, while the air can be normally discharged, and the fan blades can be driven to rotate by the power of the airflow, so that the power for driving the compression assembly is provided, the driving device for the operation of the compression assembly is not needed to be arranged separately, the cost for arranging the driving device is saved, the structure is simpler, and the subsequent maintenance and repair work is facilitated; secondly, the transmission shaft can be driven to rotate synchronously when the fan blades rotate, so that the convex blocks intermittently drive the conical pressing plate to move up and down reciprocatingly, the short fibers entering the storage assembly are compressed, the fluffy short fibers are compacted, the space occupied by the short fibers is reduced, the space utilization rate of the storage assembly is improved, and the compressed short fibers are convenient to store and transport, so that the post-processing cost of the short fibers is reduced.

[0027] 4. The quick splicing device and operation process for high-toughness flame-retardant yarn can make the short fibers falling on the surface of the conical pressing plate automatically slide down under the action of gravity by designing the shape of the conical pressing plate as a trapezoidal cross section, so that the accumulation of short fibers is avoided, and the situation that the horn pipe is blocked by the short fibers is avoided; secondly, the top opening of the horn pipe is larger than the pipe body at the lower end, so that a gap of a certain size is formed between the top opening part of the horn pipe and the side wall of the conical pressing plate not subjected to the action of force, so that the short fibers and impurities can enter the storage assembly through the gap after entering, and the collection process of the short fibers and impurities is automated.

[0028] 5. The quick splicing device and operation process for high-toughness flame-retardant yarn can heat the inside of the dust collecting cylinder through the heating cavity arranged in the storage assembly, so that the short fibers collected in the dust collecting cylinder can be more easily compressed and deformed under the simultaneous action of heat and the pressure of the conical pressing plate; secondly, the collection amount of short fibers in the dust collecting cylinder can be observed in real time through the tempered transparent glass arranged on the outer wall of the dust collecting cylinder, so that the inside of the dust collecting cylinder can be cleaned in time; thirdly, the storage assembly and the dust collecting power assembly are designed in a split type, so that the inside of the storage assembly and the dust collecting power assembly can be cleaned after being disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a whole three-dimensional structure schematic view of the present application.

[0030] Figure 2 For the explosive stereoscopic structure of the present application;

[0031] Figure 3 For the internal structure of the twisting box of the present application;

[0032] Figure 4 For the enlarged structure of part A of the present application;

[0033] Figure 5 For the enlarged structure of part B of the present application;

[0034] Figure 6 For the explosive structure of the dust collecting mechanism of the present application;

[0035] Figure 7 For the explosive structure of the first collecting assembly of the present application;

[0036] Figure 8 For the explosive structure of the storage assembly of the present application;

[0037] Figure 9 For the enlarged structure of part C of the present application;

[0038] Figure 10 For the cross-sectional structure of the dust collecting power assembly of the present application;

[0039] Figure 11 For the enlarged structure of part D of the present application.

[0040] In the figure: 1, twisting box; 2, air hole; 3, avoiding groove; 4, side plate; 5, placing groove; 6, dust collecting hole; 7, dust collecting mechanism; 71, main pipe; 72, first collecting assembly; 721, dust collecting power assembly; 7211, cylinder; 7212, horn pipe; 7213, filter plate; 7214, transmission shaft; 7215, fan blade; 7216, scraper; 7217, protruding block; a1, support; a2, lifting rod; a3, conical pressing plate; a4, spring baffle; a5, spring; a6, rubber spring sheath; 722, maintenance cover; 724, storage assembly; 7241, dust collecting cylinder; 7242, heating cavity; 7243, electric heating wire; 7244, tough transparent glass; 7245, exhaust hole; 73, second collecting assembly; 8, cover plate; 9, wire laying through groove; 10, horizontal plate; 11, vertical plate; 12, hose; 13, latex air bag; 14, one-way valve. DETAILED DESCRIPTION

[0041] Clearly, 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 other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present application.

[0042] The present application provides two technical solutions:

[0043] As Figures 1-5 The first embodiment is shown: the rapid splicing equipment for high-toughness flame-retardant yarns includes a splicing mechanism for rapid splicing of high-toughness flame-retardant yarns, and the splicing mechanism includes a splicing box 1, air holes 2, avoidance grooves 3, side plates 4, placement grooves 5, dust collection holes 6, and an air inlet nozzle. The splicing box 1 has a splicing cavity for yarn splicing at the top. Multiple air holes 2 are evenly arranged at the bottom of the splicing cavity. The air inlet nozzle is fixedly connected to the outer wall of the splicing box 1. All air holes 2 are connected to the air inlet nozzle through pipelines. The air inlet nozzle is used to simultaneously deliver gas to multiple air holes 2. The avoidance grooves 3 are arranged on both sides of the top of the splicing box 1 and are connected to the splicing cavity. The side plates 4 are fixedly connected to the outer wall of the splicing box 1 and are used to seal the avoidance grooves 3 to prevent gas from being discharged. The placement grooves 5 are arranged at the top of the side plates 4 and are used to place the high-toughness flame-retardant yarns after they pass through. The dust collection holes 6 are symmetrically arranged on both sides of the outer wall of the splicing box 1 and are used to discharge the gas and short fibers of the yarn mixed in the gas in the splicing cavity. The dust collection mechanism 7 for collecting short fibers generated during the splicing process of high-toughness flame-retardant yarns is detachably connected to the position on the outer wall of the splicing box 1 opposite to the dust collection holes 6 through bolts. The splicing box 1 is provided with a sealing plate assembly for preventing the short fibers in the splicing cavity from flying and a plugging assembly for sealing the sealing plate assembly. The splicing box 1 is provided with a manual gas delivery mechanism on the outer wall for inputting gas into the splicing cavity. The manual gas delivery mechanism includes a hose 12, a latex air bag 13, and a one-way valve 14. The hose 12 is fixedly connected to the side wall of the splicing box 1. The latex air bag 13 is fixedly connected to one end of the hose 12. The one-way valve 14 is fixedly connected to the inside of the hose 12 and is used to allow only the air cylinder to enter the splicing cavity. The hose 12 is connected to the multiple air holes 2 through pipelines, respectively.

[0044] The sealing plate assembly comprises a cover plate 8 and a wire feeding groove 9. The cover plate 8 is fixedly connected to the top of the twisting box 1 by bolts. The wire feeding groove 9 is arranged on the top of the cover plate 8, which is convenient for placing the high-toughness flame-retardant yarn in the twisting cavity. The sealing assembly comprises a horizontal plate 10 and two vertical plates 11. The two vertical plates 11 are fixedly connected to the bottom of the horizontal plate 10 on both sides. The bottom end of the vertical plate 11 is fixedly connected with a rubber pad, which is used for pressing the yarn and plays a buffering protection role. The top of the horizontal plate 10 is fixedly connected with a handle. The horizontal plate 10 is slidingly connected in the inside of the wire feeding groove 9. The vertical plate 11 is slidingly inserted in the inside of the placing groove 5, which is used for sealing the placing groove 5 to prevent gas from being discharged.

[0045] As Figures 6-11The second embodiment is shown, and the main difference with the first embodiment is that the quick splicing device for high-toughness flame-retardant yarn, the dust collecting mechanism 7 comprises a total pipe 71 and a first collecting assembly 72 and a second collecting assembly 73 detachably connected at both ends of the total pipe 71, the total pipe 71 is used for dispersing the air input in the splicing cavity into the first collecting assembly 72 and the second collecting assembly 73, and a connecting pipe is fixedly connected on the outer wall of the total pipe 71, the end of the connecting pipe is fixedly connected with a flange plate, which is used for connecting with the dust collecting hole 6, the first collecting assembly 72 and the second collecting assembly 73 are two components with the same structure, the first collecting assembly 72 comprises a dust collecting power assembly 721 and an inspection cover 722 threadedly connected on one side of the outer wall of the dust collecting power assembly 721, a storage assembly 724 for storing short fibers is threadedly connected at the bottom of the dust collecting power assembly 721, the storage assembly 724 comprises a dust collecting cylinder 7241, a heating cavity 7242 opened in the inside of the dust collecting cylinder 7241 and an electric heating wire 7243 fixedly connected in the inside of the heating cavity 7242 for generating heat, an observation port is opened on the outer wall of the dust collecting cylinder 7241 for observing the amount of short fibers collected in the inside of the dust collecting cylinder 7241, a tempered transparent glass 7244 is fixedly connected in the observation port, a plurality of exhaust holes 7245 are uniformly opened on the outer wall of the dust collecting cylinder 7241 for exhausting, an internal thread groove is opened on the inner wall of the dust collecting cylinder 7241 for threadedly connecting with the outer wall of the horn pipe 7212, an installation groove is opened at the bottom of the dust collecting cylinder 7241, a lithium battery for providing electric energy to the electric heating wire 7243 is detachably connected in the installation groove, the lithium battery and the electric heating wire 7243 are electrically connected through wires, a switch for controlling the lithium battery to supply electric energy to the electric heating wire 7243 is also installed in the installation groove, and the lithium battery is detachably arranged and can be charged after being detached, a heat conduction sheet is fixedly arranged on the inner wall of the heating cavity 7242 for uniformly dispersing heat in the inside of the dust collecting cylinder 7241 through the inner wall of the dust collecting cylinder 7241, the tempered transparent glass 7244 is high-temperature-resistant tempered transparent glass with high-temperature resistance and can clearly observe the amount of short fibers in the inside of the dust collecting cylinder 7241, the dust collecting power assembly 721 comprises a cylinder body 7211 and a horn pipe 7212 fixedly connected at the bottom of the cylinder body 7211, a filter plate 7213 is fixedly connected on one side in the inside of the cylinder body 7211, a transmission shaft 7214 is rotatably penetrated in the inside of the filter plate 7213, a fan blade 7215 and a driving disc are fixedly connected at both ends of the transmission shaft 7214, the fan blade 7215 and the driving disc are located on both sides of the filter plate 7213 respectively, a scraper 7216 is fixedly sleeved on the outer wall of the transmission shaft 7214 close to the driving disc for scraping off the short fibers adhered on the outer wall of the filter plate 7213, a plurality of protrusions 7217 are uniformly fixedly arranged on the outer wall of the driving disc, a compression assembly for extruding short fibers is arranged below the protrusions 7217 and in the inside of the horn pipe 7212.The cylinder 7211 is connected to one end of the total pipe 71 by bolts, the side wall of the scraper 7216 is close to the filter plate 7213 when the scraper 7216 rotates, and the short fibers that have not fallen under the action of gravity can be completely scraped off, the compression assembly comprises a support a1, a lifting rod a2, a conical pressing plate a3, a spring baffle a4, a spring a5 and a rubber spring sheath a6, two supports a1 are respectively fixedly connected to the inner walls of the cylinder 7211 on the upper and lower sides, the lifting rod a2 is slidably penetrated through the two supports a1, the conical pressing plate a3 is fixedly connected to the bottom end of the lifting rod a2, and the conical pressing plate a3 is slidably connected to the inside of the horn pipe 7212, the spring baffle a4 is fixedly sleeved on the outer wall of the lifting rod a2, the spring a5 is slidably sleeved on the outer wall of the lifting rod a2, and the rubber spring sheath a6 is sleeved outside the spring a5 and is used for preventing the short fibers from adhering to the surface of the spring a5, the spring baffle a4, the spring a5 and the rubber spring sheath a6 are all located between the two supports a1, the spring a5 is located below the spring baffle a4, the rubber spring sheath a6 is made of flexible material and can elastically deform when being extruded by the spring baffle a4, the cross-sectional shape of the horn pipe 7212 is horn-shaped, that is, the upper part of the horn pipe 7212 has a larger inner diameter than the lower part, the outer diameter of the conical pressing plate a3 is smaller than the inner diameter of the upper part of the horn pipe 7212, and the conical pressing plate a3 is matched with the inner diameter of the lower part of the horn pipe 7212.

[0046] The embodiment of the present application also provides an operation process of the rapid splicing equipment for high-toughness flame-retardant yarn.

[0047] Step one, first connect the air inlet nozzle and the external air source, pull the handle at the top of the horizontal plate 10 upwards, take out the plugging assembly from the sealing plate assembly, slide the vertical plate 11 upwards from the placing groove, separate the horizontal plate 10 from the wire laying groove 9, and expose the placing groove 5 and the wire laying groove 9, then pass two yarns through the placing groove 5 and the wire laying groove 9 and place them on both sides of the splicing cavity, and keep the two high-toughness flame-retardant yarns in a crossed state, after the yarns are placed, the sealing plate assembly is sealed again by using the plugging assembly, the placing groove 5 and the wire laying groove 9 are sealed again, and the rubber at the bottom end of the vertical plate 11 presses the surface of the yarn, which can achieve good sealing effect, then, open the control valve of the air inlet nozzle, and the airflow enters the splicing cavity through the air hole 2 to perform the splicing operation of the high-toughness flame-retardant yarn.

[0048] Step two, the high-toughness flame-retardant yarn is untwisted and retwisted under the air flow impact, and short fiber debris is generated during the untwisting and twisting operation, and the debris is scattered in the splicing cavity, since the splicing box 1 is only provided with dust collection holes 6 on both sides of the outer wall which are connected with the outside, the air entering the splicing cavity through the air holes 2 can only be discharged through the dust collection holes 6, therefore, the short fiber debris enters the dust collection mechanism 7 through the dust collection holes 6 along with the air flow, the air is discharged through the dust collection mechanism 7, the short fibers are filtered inside the dust collection mechanism 7, the air flow carrying the short fibers and light impurities enters the main pipe 71, the short fibers enter the first collection assembly 72 and the second collection assembly 73 through the through holes at both ends of the main pipe 71 respectively, the conical pressing plate a3 is designed in a "trapezoidal" cross-sectional shape, the short fibers falling on the surface thereof automatically slide down under the action of gravity, and the top opening of the horn pipe 7212 is larger than the pipe body at the lower end, so that a certain size gap is formed between the top opening part of the horn pipe 7212 and the side wall of the conical pressing plate a3 which is not under the action of force, the short fibers and impurities enter the storage assembly 724 through the gap after entering, so that the collection process of the short fibers and impurities is automated, when the a2 is not pushed by the protrusion 7217, the short fibers and impurities enter the dust collection cylinder 7241 through the gap between the conical pressing plate a3 and the horn pipe 7212, the electric heating wire 7243 is electrified to heat the inner wall of the dust collection cylinder 7241, the protrusion 7217 pushes the lifting rod a2 downward during rotation, the conical pressing plate a3 slides into the dust collection cylinder 7241 a distance after passing through the horn pipe 7212, when the amount of short fibers collected in the dust collection cylinder 7241 reaches a certain amount, the height of the cluster-shaped short fibers at the top end increases, and the bottom of the conical pressing plate a3 is in contact with the bottom when the conical pressing plate a3 is pressed down, and pressure is generated on the short fibers, the short fibers are gradually compressed under the mutual extrusion force of the short fibers themselves, and the heated dust collection cylinder 7241 also heats the short fibers, the compressed short fibers can be plastically deformed to avoid rebounding after compression, the lifting rod a2 is pushed upward by the spring a5 after losing the action of the protrusion 7217, the conical pressing plate a3 moves upward, and the short fibers are continuously compressed by such reciprocating movement, and the air is discharged through the air vents and the exhaust holes 7245 on the outer wall of the maintenance cover 722;

[0049] Step three, the blocking assembly is pulled out upward, the vertical plate 11 and the horizontal plate 10 are taken out from the wire laying slot 9, and the high-toughness flame-retardant yarn with splicing completed is taken out;

[0050] Step four, the sealing plate assembly is sealed again by using the blocking assembly, the latex air bag 13 in the manual gas conveying assembly is squeezed, air is extruded into the twisting cavity through the hose 12, the air enters into the air hole 2 through the pipeline, the residual short fibers in the twisting cavity are again accompanied by the air into the dust collecting mechanism 7 through the dust collecting hole 6, after a period of use, the short fibers in the dust collecting mechanism 7 are cleaned, when cleaning, the dust collecting cylinder 7241 can be screwed off due to the threaded connection between the dust collecting cylinder 7241 and the horn pipe a2, and the compressed short fibers in the dust collecting cylinder 7241 can be cleaned.

[0051] In the application, in step one, the two high-toughness flame-retardant yarns are cross-placed.

[0052] It is to be noted that, in this document, the relative terms such as first and second, and the like, are used only to differentiate one entity or operation from another, and do not necessarily require or imply that these entities or operations exist in any such actual relationship or order. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0053] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rapid splicing apparatus for high tenacity flame resistant yarns comprising a splicing mechanism for high tenacity flame resistant yarn rapid splicing characterized by: The twisting mechanism includes a twisting box (1), air holes (2), avoidance grooves (3), side plates (4), placing grooves (5), dust collecting holes (6) and air inlets, the top of the twisting box (1) is provided with a twisting cavity for yarn twisting, a plurality of air holes (2) are uniformly arranged at the bottom of the twisting cavity, the air inlet is fixedly connected to the outer wall of the twisting box (1), all the air holes (2) are connected to the air inlet through pipelines, the air inlet is used for simultaneously conveying gas to the plurality of air holes (2), the avoidance grooves (3) are arranged at the two sides of the top of the twisting box (1) and are communicated with the twisting cavity, the side plates (4) are fixedly connected to the outer wall of the twisting box (1) and are used for sealing the avoidance grooves (3) to prevent gas from being discharged, the placing grooves (5) are arranged at the top of the side plates (4) and are used for placing the high-toughness flame-retardant yarn after passing through, the dust collecting holes (6) are symmetrically arranged on the outer wall of the twisting box (1) and are used for discharging the gas and the short fibers mixed in the gas in the twisting cavity, the dust collecting mechanism (7) for collecting the short fibers generated in the twisting process of the high-toughness flame-retardant yarn is detachably connected to the position opposite to the dust collecting holes (6) on the outer wall of the twisting box (1) through bolts, the top of the twisting box (1) is provided with a sealing plate assembly for preventing the short fibers in the twisting cavity from flying and a sealing assembly for sealing the sealing plate assembly, and a manual air input mechanism is arranged on the outer wall of the twisting box (1) and is used for inputting gas into the twisting cavity. The dust collecting mechanism (7) includes a main pipe (71) and first and second collecting assemblies (72) and (73) which are detachably connected to the two ends of the main pipe (71), the main pipe (71) is used for dispersing the air input into the twisting cavity into the first and second collecting assemblies (72) and (73), the first and second collecting assemblies (72) and (73) are two members with the same structure, the first collecting assembly (72) includes a dust collecting power assembly (721) and an inspection cover (722) which is screw-connected to one side of the outer wall of the dust collecting power assembly (721), and the dust collecting power assembly (721) is screw-connected at the bottom with a storage assembly (724) for storing short fibers; The storage assembly (724) includes a dust collecting cylinder (7241), a heating cavity (7242) arranged in the dust collecting cylinder (7241) and an electric heating wire (7243) fixedly connected in the heating cavity (7242) and used for generating heat, an observation port is arranged on the outer wall of the dust collecting cylinder (7241) and is used for observing the collection amount of short fibers in the dust collecting cylinder (7241), a tempered transparent glass (7244) is fixedly connected in the observation port, and a plurality of exhaust holes (7245) are uniformly arranged on the outer wall of the dust collecting cylinder (7241) and are used for exhausting air. The dust collecting power assembly (721) comprises a barrel (7211) and a horn pipe (7212) fixedly connected to the bottom of the barrel (7211), one side of the inside of the barrel (7211) is fixedly connected with a filter plate (7213), a transmission shaft (7214) is rotatably penetrated in the inside of the filter plate (7213), the both ends of the transmission shaft (7214) are fixedly connected with a fan blade (7215) and a driving disc respectively, the fan blade (7215) and the driving disc are located on the both sides of the filter plate (7213) respectively, a scraper (7216) is fixedly sleeved on the outer wall of the transmission shaft (7214) and close to the driving disc, for scraping off the short fibers adhered to the outer wall of the filter plate (7213), a plurality of protrusions (7217) are uniformly fixedly arranged on the outer wall of the driving disc, and a compression assembly for extruding the short fibers is arranged below the protrusions (7217) and in the inside of the horn pipe (7212). The compression assembly comprises a support (a1), a lifting rod (a2), a conical pressing plate (a3), a spring baffle (a4), a spring (a5) and a rubber spring sheath (a6), two supports (a1) are fixedly connected to the inner wall of the barrel (7211) on the upper and lower sides respectively, the lifting rod (a2) is slidably penetrated through the two supports (a1), the conical pressing plate (a3) is fixedly connected to the bottom end of the lifting rod (a2) and is slidably connected in the inside of the horn pipe (7212), the spring baffle (a4) is fixedly sleeved on the outer wall of the lifting rod (a2), the spring (a5) is slidably sleeved on the outer wall of the lifting rod (a2), and the rubber spring sheath (a6) is sleeved on the outside of the spring (a5), for preventing the short fibers from adhering to the surface of the spring (a5).

2. The rapid splicing apparatus for high tenacity flame resistant yarns as claimed in claim 1 wherein: The manual gas conveying mechanism comprises a hose (12), a rubber air bag (13) and a one-way valve (14), the hose (12) is fixedly connected to the side wall of the twisting box (1), the rubber air bag (13) is fixedly connected to one end of the hose (12), and the one-way valve (14) is fixedly connected to the inside of the hose (12), for allowing only the air cylinder to enter the twisting cavity.

3. The rapid splicing apparatus for high tenacity flame resistant yarns as claimed in claim 1 wherein: The sealing plate assembly comprises a cover plate (8) and a wire feeding groove (9), the cover plate (8) is fixedly connected to the top of the twisting box (1) through bolts, the wire feeding groove (9) is formed in the top of the cover plate (8), for conveniently placing the high-toughness flame-retardant yarn in the twisting cavity, the sealing assembly comprises a horizontal plate (10) and two vertical plates (11), the two vertical plates (11) are fixedly connected to the bottom of the horizontal plate (10) on the both sides respectively, the bottom end of each vertical plate (11) is fixedly connected with a rubber pad, the horizontal plate (10) is fixedly connected with a handle on the top, and the horizontal plate (10) is slidably connected in the inside of the wire feeding groove (9), and the vertical plate (11) is slidably inserted in the inside of the placing groove (5), for sealing the placing groove (5) to prevent the gas from being discharged.

4. A process for operating the rapid splicing apparatus for high tenacity flame resistant yarns according to any one of claims 1-3, characterized in that: The process comprises the following steps: Step one, first connect the air inlet and external air source, take out the sealing assembly from the sealing plate assembly, then place two yarns on both sides of the twisting cavity respectively, and then seal the sealing plate assembly with the sealing assembly, open the control valve of the air inlet, and the airflow enters the twisting cavity through the air hole (2) to perform the twisting operation of the high-toughness flame-retardant yarn; Step two, the high-toughness flame-retardant yarn is untwisted and retwisted under the impact of the airflow, and short fiber debris is generated during the untwisting and twisting operation, which enters the dust collection mechanism (7) through the dust collection hole (6) along with the airflow, and the air is discharged through the dust collection mechanism (7), and the short fibers are filtered in the dust collection mechanism (7); Step three, pull out the sealing assembly upwards, and take out the twisted high-toughness flame-retardant yarn, and the operation is completed; Step four, seal the sealing plate assembly with the sealing assembly again, extrude the manual air feeding assembly into the twisting cavity to extrude air into the twisting cavity, and the residual short fibers in the twisting cavity are again accompanied by air into the dust collection mechanism (7) through the dust collection hole (6), and after a period of use, the short fibers in the dust collection mechanism (7) can be cleaned.

5. The process for operating the rapid splicing apparatus for high tenacity flame resistant yarns as claimed in claim 4 wherein: In step one, two high-toughness flame-retardant yarns are crossed and placed.

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