Spinning equipment and spinning structure thereof

Abstract

The utility model discloses spinning equipment and a spinning structure thereof, the spinning structure comprises a glue solution distribution cavity, a spinneret plate and a heat preservation water assembly which are respectively arranged on the inner side and the outer side of the glue solution distribution cavity, and the spinning structure further comprises a first heat preservation assembly and a second heat preservation assembly; the first heat preservation assembly and the second heat preservation assembly are arranged on the inner side of the glue solution distribution cavity and are in heat conduction fit with the inner side wall and the outer side wall of the spinneret plate correspondingly, and the heat preservation temperature can be adjusted through the first heat preservation assembly and the second heat preservation assembly. According to the scheme, the first heat preservation assembly and the second heat preservation assembly which are used for heat conduction matching and capable of adjusting the heat preservation temperature are additionally arranged on the inner side wall and the outer side wall of the spinneret plate respectively, and when tows have defects, the defects can be formed by adjusting the heat preservation temperature of the first heat preservation assembly and the heat preservation temperature of the second heat preservation assembly; the first heat preservation assembly and the second heat preservation assembly are in heat conduction fit with the inner side wall and the outer side wall of the spinneret plate correspondingly, so that the temperature of a glue solution in the spinneret plate can be adjusted evenly, and the problem that defects appear on tows is solved conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of spinning, in particular to a spinning device and a spinning structure thereof. Background Art

[0002] At present, the spinneret of the spinning equipment is in the glue distribution chamber, and the insulation water component is outside the glue distribution chamber. The glue is spun through the spinneret to form a bundle. The glue in the spinneret is insulated by the insulation water component, and there is no insulation water in the spinneret. When defects appear in the bundle, the spinneret insulation water component is required to adjust the process. Due to the low thermal conductivity of the glue in the spinneret, only the glue on the side of the spinneret close to the insulation water component can be adjusted, and the temperature of the glue far away from the insulation water component cannot respond in time, which leads to uneven adjustment of the glue temperature in the spinneret, and thus the situation of defects in the above-mentioned bundle cannot be improved in the short term. In addition, the finished bundle of the spinning equipment also has a high number of parallel threads, which affects the quality of the finished bundle. Utility Model Content

[0003] In view of this, the utility model provides a spinning structure of a spinning device, which can evenly adjust the temperature of the glue liquid in the spinneret, thereby improving the problem of defects in the yarn bundle.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A spinning structure of a spinning device, comprising: a glue liquid distribution chamber, and a spinneret and a heat preservation water component respectively arranged on the inner side and the outer side of the glue liquid distribution chamber, and further comprising: a first heat preservation component and a second heat preservation component;

[0006] The first insulation component and the second insulation component are respectively arranged on the inner side of the glue distribution cavity, and respectively cooperate with the inner wall and outer wall of the spinneret for heat conduction, wherein the first insulation component and the second insulation component can both adjust the insulation temperature.

[0007] Preferably, the first heat-insulating component is a first annular heat-insulating component, and the outer peripheral wall thereof is in contact with the inner peripheral wall of the spinneret for heat conduction;

[0008] The second heat-insulating component is a second annular heat-insulating component, and the inner peripheral wall of the second heat-insulating component is in contact with the outer peripheral wall of the spinneret for heat conduction.

[0009] Preferably, the first annular heat preservation assembly comprises: a first annular shell, a first heater, a first inlet valve and a first outlet valve;

[0010] The outer peripheral wall of the first annular housing contacts and cooperates with the inner peripheral wall of the spinneret and is capable of heat conduction; the first heater is disposed in the first annular housing; wherein the first annular housing is respectively provided with a first inlet and a first outlet, the first inlet of the first annular housing being used to admit a heat-insulating medium and being provided with the first inlet valve, and the first outlet being provided with the first outlet valve;

[0011] The second annular heat preservation assembly includes: a second annular shell, a second heater, a second inlet valve and a second outlet valve;

[0012] The inner circumferential wall of the second annular shell contacts and cooperates with the outer circumferential wall of the spinneret and can conduct heat; the second heater is arranged in the second annular shell; wherein, the second annular shell is provided with a second inlet and a second outlet, the second inlet of the second annular shell is used to introduce the insulation medium, and is provided with the second inlet valve, and the second outlet is provided with the second outlet valve.

[0013] Preferably, the first inlet of the first annular housing is used for introducing thermal insulation water;

[0014] The second inlet of the second annular shell is used for introducing thermal insulation water.

[0015] Preferably, the first inlet of the first annular housing is connected to the outlet of the thermal insulation water component;

[0016] The second inlet of the second annular shell is connected to the outlet of the thermal insulation water component.

[0017] Preferably, the first annular heat-insulating assembly further comprises: a first temperature sensor disposed in the first annular housing;

[0018] The second annular heat-insulating assembly further includes: a second temperature sensor disposed in the second annular shell.

[0019] Preferably, the distance between two adjacent spinneret holes of the spinneret plate is greater than 5 times the diameter of the spinneret hole.

[0020] Preferably, the hole density per unit area of the spinneret is greater than 0.06 / mm 2 .

[0021] A spinning device comprises a spinning structure, wherein the spinning structure is the spinning structure of the spinning device as described above.

[0022] It can be seen from the above technical solution that in the spinning structure of the spinning equipment provided by the present invention, a first insulation component and a second insulation component are respectively provided on the inner wall and outer wall of the spinneret for heat conduction cooperation and capable of adjusting the insulation temperature; in this way, when defects appear in the yarn bundle, the insulation temperature of the first insulation component and the second insulation component can be adjusted, and the heat conduction cooperation between the first insulation component and the second insulation component and the inner wall and outer wall of the spinneret can be respectively carried out, so that the temperature of the glue in the spinneret can be evenly adjusted, thereby facilitating the improvement of the problem of defects in the yarn bundle. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 A cross-sectional view of a spinning structure of a spinning device provided in an embodiment of the present utility model;

[0025] Figure 2 A partial schematic diagram of a spinneret provided in an embodiment of the present utility model.

[0026] Among them, 1 is the glue distribution chamber, 2 is the spinneret, 21 is the spinneret hole, 3 is the insulation water component, 4 is the first insulation component, 5 is the second insulation component, and 6 is the glue inlet pipeline. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] The spinning structure of the spinning equipment provided by the embodiment of the present invention is as follows: Figure 1 As shown, it includes: a glue distribution chamber 1, and a spinneret 2 and a heat preservation water component 3 respectively arranged on the inner and outer sides of the glue distribution chamber 1. The spinneret structure of the spinning equipment also includes: a first heat preservation component 4 and a second heat preservation component 5;

[0029] The first insulation component 4 and the second insulation component 5 are respectively arranged on the inner side of the glue distribution chamber 1, and respectively cooperate with the inner wall and outer wall of the spinneret 2 for heat conduction; wherein, the first insulation component 4 and the second insulation component 5 can both adjust the insulation temperature.

[0030] It should be noted that the spinneret structure of the spinning equipment can also be the spinneret assembly of the spinning equipment, such as Figure 1 As shown, the insulation water component 3 serves as the insulation water area outside the spinneret 2. Since the thermal conductivity of the glue in the spinneret 2 is low, after the insulation water temperature of the external insulation water component 3 is adjusted, the temperature of the glue near the insulation water in the spinneret 2 will change, and the temperature change of the glue far away from the insulation water is smaller, that is, the adjustment of the insulation water will only affect the glue near the spinneret 2, thereby causing the temperature adjustment of the glue in the spinneret 2 to be uneven, which is not conducive to improving the problem of defects in the yarn bundle; in order to improve the above situation, this solution is based on the original spinning structure of the spinning equipment, and is equipped with a first insulation component 4 and a second insulation component 5 that can cooperate with heat conduction for the inner and outer walls of the spinneret 2, so that when defects (parallel yarns and glue blocks) appear in the yarn bundle, the insulation temperature of the first insulation component 4 and the second insulation component 5 can be adjusted, which can help to adjust the temperature of the glue in the spinneret 2 evenly, that is, it can help to make the insulation effect of the glue in the spinneret 2 uniform, thereby facilitating the improvement of the situation where defects appear in the yarn bundle. Of course, the first thermal insulation component 4 is equivalent to the inner thermal insulation component of the spinneret 2, and the second thermal insulation component 5 is equivalent to the outer thermal insulation component of the spinneret 2; in addition, the glue in this solution can be lyocell glue.

[0031] That is to say, in the existing spinning structure of the spinning equipment, due to the positional relationship between the insulation water component 3 and the spinneret 2, and the low thermal conductivity of the glue in the spinneret 2, the temperature adjustment of the glue in the spinneret 2 is uneven; for this reason, the present scheme adds a first insulation component 4 and a second insulation component 5 on the inner wall and outer wall of the spinneret 2 for heat conduction cooperation and capable of adjusting the insulation temperature; in this way, when defects appear in the yarn bundle, the insulation temperature of the first insulation component 4 and the second insulation component 5 can be adjusted, and the heat conduction cooperation of the first insulation component 4 and the second insulation component 5 with the inner wall and the outer wall of the spinneret 2 respectively can make the temperature of the glue in the spinneret 2 uniform, thereby facilitating cooperation to improve the problem of defects in the yarn bundle.

[0032] In this embodiment, the spinneret 2 is an annular spinneret, and a better heat conduction effect is formed on the inner and outer walls of the spinneret 2, thereby making the temperature of the glue liquid in the spinneret 2 more uniform; accordingly, the first heat-insulating component 4 is a first annular heat-insulating component, and its outer peripheral wall contacts the inner peripheral wall of the spinneret 2 for heat conduction.

[0033] The second insulation component 5 is a second annular insulation component, and its inner peripheral wall is in contact with the outer peripheral wall of the spinneret 2 for heat conduction. Among them, the shape of the outer peripheral wall of the first annular insulation component matches the shape of the inner peripheral wall of the spinneret 2, so that the outer peripheral wall of the first annular insulation component and the inner peripheral wall of the spinneret 2 are in contact with each other for heat conduction; similarly, the shape of the inner peripheral wall of the second annular insulation component matches the shape of the outer peripheral wall of the spinneret 2, so that the inner peripheral wall of the second annular insulation component and the outer peripheral wall of the spinneret 2 are in contact with each other for heat conduction; of course, the outer peripheral wall of the first annular insulation component and the inner peripheral wall of the second annular insulation component can both conduct heat, and through the contact and cooperation between the first annular insulation component and the second annular insulation component and the inner and outer peripheral walls of the annular spinneret respectively, the inner and outer sides of the annular spinneret can also be limited, so that the original limiting and fixing mechanisms on the inner and outer sides of the annular spinneret, such as the pressure plate, can be replaced.

[0034] Specifically, the first annular heat preservation assembly includes: a first annular shell, a first heater, a first inlet valve and a first outlet valve;

[0035] The outer peripheral wall of the first annular housing contacts and cooperates with the inner peripheral wall of the spinneret 2 and is capable of heat conduction; the first heater is disposed in the first annular housing; wherein the first annular housing is provided with a first inlet and a first outlet, the first inlet of the first annular housing being used to admit a heat-insulating medium and being provided with a first inlet valve, and the first outlet being provided with a first outlet valve;

[0036] The second annular insulation assembly includes: a second annular shell, a second heater, a second inlet valve and a second outlet valve;

[0037] The inner circumferential wall of the second annular shell contacts and cooperates with the outer circumferential wall of the spinneret 2 and can conduct heat; the second heater is arranged in the second annular shell; wherein, the second annular shell is provided with a second inlet and a second outlet, the second inlet of the second annular shell is used to introduce a heat preservation medium, and is provided with a second inlet valve, and the second outlet is provided with a second outlet valve.

[0038] It should be noted that the shape of the outer circumferential wall of the first annular shell matches the shape of the inner circumferential wall of the spinneret 2, and the first annular shell is a shell capable of heat conduction, and can be a metal shell; the first heater is disposed in the first annular shell to facilitate heating the heat-insulating medium in the first annular shell, and the first heater can be an electric heating plate; the first inlet of the first annular shell serves as the inlet of the heat-insulating medium of the first annular shell, and the first outlet serves as the outlet of the heat-insulating medium of the first annular shell, and corresponding valves are provided to ensure one-way flow between the first inlet and the first outlet of the first annular shell;

[0039] Similarly, the shape of the inner wall of the second annular shell matches the shape of the outer wall of the spinneret 2, and the second annular shell is a shell capable of heat conduction, and a metal shell can be used; the second heater is arranged in the second annular shell to facilitate heating the insulation medium in the second annular shell, and the second heater can be an electric heating plate; the second inlet of the second annular shell serves as the insulation medium inlet of the second annular shell, and the second outlet serves as the insulation medium outlet of the second annular shell, and by providing corresponding valves, the second inlet and second outlet of the second annular shell can be one-way flow; in addition, the longitudinal cross-section of the first annular shell and the second annular shell can be rectangular.

[0040] That is to say, the first annular heat-insulating component and the second annular heat-insulating component are annular hollow shell components into which heat-insulating medium can pass and into which heaters are provided. They have a simple structure and are convenient for heat-insulating and temperature-regulating.

[0041] Furthermore, the first inlet of the first annular housing is used to introduce the insulation water;

[0042] The second inlet of the second annular housing is used to admit insulation water. This makes both the first and second annular insulation assemblies annular insulation water assemblies, meaning that insulation water areas are provided on both the inner and outer sides of the spinneret 2. Of course, the insulation medium of the first and second annular insulation assemblies can also be insulation gas, which will not be discussed further here.

[0043] Furthermore, the first inlet of the first annular housing is connected to the outlet of the thermal insulation water component 3;

[0044] The second inlet of the second annular shell is connected to the outlet of the thermal insulation water component 3. In this way, the first inlet of the first annular shell and the second inlet of the second annular shell can be connected to the thermal insulation water from the outlet of the thermal insulation water component 3, which can make the source of thermal insulation water for the first annular shell and the second annular shell more convenient. Of course, the thermal insulation water in the first annular shell and the second annular shell can be heated by the first heater or the second heater; and the first inlet of the first annular shell is connected to the outlet of the thermal insulation water component 3 through an insulation pipe, and the second inlet of the second annular shell is connected to the outlet of the thermal insulation water component 3 through an insulation pipe, and the insulation pipe needs to pass through the cavity wall of the glue distribution cavity 1.

[0045] In this solution, in order to realize the feedback of the insulation temperature of the first annular insulation component and the second annular insulation component, the first annular insulation component further includes: a first temperature sensor disposed in the first annular housing;

[0046] The second annular insulation component further includes: a second temperature sensor disposed in the second annular shell. When insulation water flows into the first annular shell and the second annular shell, the first temperature sensor and the second temperature sensor serve as temperature sensors for the insulation water. Furthermore, the first temperature sensor and the second temperature sensor can be respectively connected to a control center of the spinning device for communication. This facilitates the control center of the spinning device to control the operation of the first heater based on the monitoring value fed back by the first temperature sensor, and to control the operation of the second heater based on the monitoring value fed back by the second temperature sensor, thereby enabling feedback adjustment of the insulation temperatures of the first and second annular insulation components.

[0047] Specifically, regarding the situation in which the finished yarn bundles of the spinning equipment mentioned in the background technology have a high number of parallel yarns, it should be noted that the quality of the finished yarn bundles is judged by detecting the sum of the parallel yarns and rubber blocks of the yarn bundles, and the current number of parallel yarns in the finished yarn bundles has been relatively high (the proportion of parallel yarns greater than 1 mg / 100 g accounts for 63%); among them, the extrusion expansion area of the yarns discharged from the spinneret holes of the spinneret 2 was tested in the laboratory, and under the conditions permitted by the existing production process, it can be found that the extrusion expansion ratio of the rubber liquid at the spinneret holes of the spinneret (the ratio of the maximum expansion area after the rubber liquid exits the spinneret holes to the aperture of the spinneret holes) is 2-4. On this basis, in order to better avoid the occurrence of parallel yarns, accordingly, as Figure 2 As shown, the distance between two adjacent spinnerets 21 of the spinneret 2 is greater than 5 times the diameter of the spinneret 21 , that is, the hole distance between the spinnerets 21 of the spinneret 2 is greater than 5 times the diameter of the spinneret 21 .

[0048] Furthermore, the following rules were found by testing the tow production system (as shown in the table below): when the hole density per unit area of the spinneret 2 is greater than 0.06 / mm 2 After that, the proportion of the finished tow can be reduced to 11%-12%; therefore, this requires the unit area hole density of the spinneret 2 to be greater than 0.06 / mm 2 .

[0049]

[0050] In other words, this solution can help improve the quality of the finished tow by optimizing the hole spacing and number of the spinneret holes.

[0051] The present invention also provides a spinning device comprising a spinneret structure, which is the spinneret structure of the spinning device described above. Since this solution utilizes the spinneret structure of the spinning device described above, it also has corresponding beneficial effects. For details, please refer to the previous description and will not be repeated here. Of course, the spinning device can be a spinning machine.

[0052] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0053] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A spinning structure of a spinning device, comprising: A glue liquid distribution chamber (1), and a spinneret (2) and a heat preservation water component (3) respectively arranged on the inner side and the outer side of the glue liquid distribution chamber (1), wherein the heat preservation water component (3) serves as a heat preservation water area outside the spinneret (2), and is characterized in that it further comprises: a first heat preservation component (4) and a second heat preservation component (5); The first heat-insulating component (4) and the second heat-insulating component (5) are respectively arranged on the inner side of the glue distribution chamber (1), and are respectively heat-conductingly matched with the inner side wall and the outer side wall of the spinneret (2), wherein the first heat-insulating component (4) and the second heat-insulating component (5) are both capable of adjusting the heat-insulating temperature; The spinneret (2) is an annular spinneret; The first heat-insulating component (4) is a first annular heat-insulating component, and its outer peripheral wall is in contact with the inner peripheral wall of the spinneret (2) for heat conduction; The second heat-insulating component (5) is a second annular heat-insulating component, and its inner peripheral wall is in contact with the outer peripheral wall of the spinneret (2) for heat conduction.

2. The spinning structure of the spinning equipment according to claim 1, characterized in that The first annular heat preservation assembly comprises: a first annular shell, a first heater, a first inlet valve and a first outlet valve; The outer peripheral wall of the first annular shell contacts and cooperates with the inner peripheral wall of the spinneret (2) and is capable of heat conduction; the first heater is arranged in the first annular shell; wherein the first annular shell is respectively provided with a first inlet and a first outlet, the first inlet of the first annular shell is used for introducing a heat preservation medium and is provided with the first inlet valve, and the first outlet is provided with the first outlet valve; The second annular heat preservation assembly includes: a second annular shell, a second heater, a second inlet valve and a second outlet valve; The inner peripheral wall of the second annular shell contacts and cooperates with the outer peripheral wall of the spinneret (2) and is capable of heat conduction; the second heater is arranged in the second annular shell; wherein the second annular shell is provided with a second inlet and a second outlet, the second inlet of the second annular shell is used for introducing a heat preservation medium, and is provided with a second inlet valve, and the second outlet is provided with a second outlet valve.

3. The spinning structure of the spinning equipment according to claim 2, characterized in that: The first inlet of the first annular housing is used to allow the insulation water to flow in; The second inlet of the second annular shell is used for introducing thermal insulation water.

4. The spinning structure of the spinning equipment according to claim 3, characterized in that The first inlet of the first annular shell is connected to the outlet of the thermal insulation water component (3); The second inlet of the second annular shell is connected to the outlet of the thermal insulation water component (3).

5. The spinning structure of the spinning equipment according to claim 2, characterized in that: The first annular heat-insulating assembly further includes: a first temperature sensor disposed in the first annular housing; The second annular heat-insulating assembly further includes: a second temperature sensor disposed in the second annular shell.

6. The spinning structure of the spinning equipment according to claim 1, characterized in that: The distance between two adjacent spinneret holes (21) of the spinneret plate (2) is greater than 5 times the diameter of the spinneret hole (21).

7. The spinning structure of the spinning equipment according to claim 1, characterized in that: The spinneret (2) has a hole density per unit area greater than 0.06 holes / mm 2 .

8. A spinning device comprising a spinning structure, characterized in that: The spinneret structure is the spinneret structure of the spinning equipment according to any one of claims 1 to 7.

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