Dyeing-free melt direct spinning device based on colored polyester yarn

Abstract

The utility model discloses a dyeing-free melt direct spinning device based on colored polyester yarns, which comprises a supporting box body, an extruder is arranged above the supporting box body, a material adding mechanism is arranged at the top of the extruder, and the material adding mechanism comprises a mixing assembly and a plurality of coloring agent adding assemblies; the mixing assembly comprises a mixing barrel, a cover plate is fixedly connected to the top of the mixing barrel, a stirring assembly located in the mixing barrel is installed on the cover plate, and a plurality of adding openings are fixedly connected to the top of the cover plate in the circumferential direction at equal intervals. According to the dyeing-free melt direct spinning device based on the colored polyester yarn, when a coloring agent is added, due to the independent design of the storage tank and the metering pump, accurate supply of different kinds of additives is achieved, the problem that in the prior art, accurate metering capacity is lacked is solved, meanwhile, the proportion of the additives can be flexibly adjusted according to actual requirements, and the production efficiency is improved. The production requirements of colored polyester are met.

Description

Technical Field

[0001] This utility model relates to the field of colored polyester filament production technology, specifically to a dye-free melt direct spinning device based on colored polyester filament. Background Technology

[0002] Polyester colored yarn is a colored fiber made from polyester chips (PET chips) and masterbatch (color powder) as raw materials, which are mixed in a high-temperature melt and then spun at high speed. This product uses solution coloring technology, in which the colorant is evenly dispersed in the melt before spinning, realizing the pre-coloring process. Compared with the traditional dyeing process, this technology has the advantages of no need for subsequent dyeing, zero wastewater discharge in the production process, and reduced energy consumption.

[0003] Referring to patent publication number "CN217378111U", a POY melt direct spinning device is disclosed, including a fixed frame, a support leg fixedly connected to the lower end of the fixed frame, a first motor, a screw extruder and a spinning box fixedly connected to the front surface of the fixed frame respectively, the drive end of the first motor fixedly connected to the left end of the rotor of the screw extruder, an inlet pipe fixedly connected to the upper surface of the left end of the screw extruder, a polymer melt storage tank fixedly connected to the upper end of the inlet pipe, and a defoaming mechanism is provided inside the polymer melt storage tank.

[0004] As shown in the above technology, the existing technology achieves fiber body coloring by directly adding coloring agents during the spinning process, thereby reducing the need for subsequent dyeing processes. However, the amount of coloring agent added cannot be precisely controlled, and adjustments cannot be made in a timely manner when product colors are not standard. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a dye-free melt spinning device based on colored polyester filament, which solves the problem of insufficient precision in the addition of colorants in existing dye-free melt spinning devices based on colored polyester filament.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a dye-free melt direct spinning device based on colored polyester filament includes a support box, and an extruder is installed above the support box. A material adding mechanism is installed on the top of the extruder, and the material adding mechanism includes a mixing component and multiple colorant adding components.

[0007] The mixing component includes a mixing cylinder, a cover plate is fixedly connected to the top of the mixing cylinder, and a stirring component is installed on the cover plate inside the mixing cylinder. Multiple addition ports are fixedly connected at equal intervals along the circumference of the top of the cover plate, and mounting components are provided on both sides of the multiple addition ports. Multiple colorant addition components are respectively installed at the multiple addition port positions through the mounting components, and the number of colorant addition components can be flexibly selected.

[0008] Preferably, the mixing cylinder and the extruder are connected by a pipeline, and an electromagnetic switch valve is installed on the pipeline. The mixing cylinder is provided with a feed port for conveying polyester filament raw materials. The top of the addition port is sealed with an annular sealing ring, and the opening of the addition port without the colorant addition component is covered with a sealing cap.

[0009] Preferably, the colorant addition assembly includes a storage tank with a top cover hinged to the top. A metering pump is connected to the outlet flange below the storage tank, and an insertion tube is connected to the outlet flange of the metering pump. A sleeve is fixedly connected to the outside of the insertion tube, and an annular cavity with the same size as the addition port is formed between the insertion tube and the sleeve, with the insertion tube inserted into the interior of the addition port.

[0010] Preferably, the extruder is equipped with a controller, and a polyester filament extrusion die is connected to the outlet of the extruder. A color recognition sensor is mounted on the top of the polyester filament extrusion die via a bracket. The color recognition sensor is electrically connected to the controller, and the metering pump is also electrically connected to the controller. The metering pump and the controller are connected wirelessly, and each metering pump is matched with a corresponding controller so that a specific metering pump can be controlled independently. A corresponding pigment is added to each colorant component, and a label is set on the outside of the storage tank for easy manual identification. For example, after the metering pump in the colorant adding component with added red pigment is connected to the controller, the controller recognizes that the metering pump is delivering red pigment when it is working. The controller has a built-in control algorithm that promptly controls a certain metering pump to work when the color is unqualified. For example, if the color is lighter than the target color, the control algorithm in the controller determines that the amount of a certain colorant is insufficient, and then the amount of subsequent additions is increased.

[0011] Preferably, the mounting assembly has a symmetrical structure. One side of the mounting assembly includes a fixed rod and a movable rod. The bottom of the movable rod is fixedly connected to a lead screw, which is inserted into the interior of the fixed rod. The top of the fixed rod is rotatably connected to a threaded sleeve, which is threadedly connected to the surface of the movable rod.

[0012] Preferably, two T-shaped slide rods are slidably connected to one side of the movable rod, and a limit block is fixedly connected to one end of each of the two T-shaped slide rods that passes through the movable rod. A limit spring is sleeved on the surface of the T-shaped slide rod located between the limit block and the movable rod, and a limit groove block that cooperates with the limit block is fixedly connected to the bottom of the storage tank.

[0013] Beneficial effects

[0014] This invention provides a dye-free melt spinning device based on colored polyester filament. Compared with the prior art, it has the following advantages:

[0015] 1. This dye-free melt direct spinning device based on colored polyester filament includes a storage tank with a hinged top cover. A metering pump is connected to the outlet flange below the storage tank, and an insertion tube is connected to the outlet flange of the metering pump. A sleeve is fixedly connected to the outside of the insertion tube. During colorant addition, the independent storage tank and metering pump design enables precise supply of different types of additives, solving the problem of lack of precise metering capability in the prior art. At the same time, the proportion of additives can be flexibly adjusted according to actual needs to meet the production requirements of colored polyester.

[0016] 2. This dye-free melt direct spinning device based on colored polyester filament features a symmetrical structure for its mounting components. Each mounting component on one side includes a fixed rod and a movable rod. A lead screw is fixedly connected to the bottom of the movable rod and inserted into the interior of the fixed rod. A threaded sleeve is rotatably connected to the top of the fixed rod. The colorant addition component is mounted above the mixing component via the mounting components. Installation is completed quickly by inserting the tube into the addition port. The tightness after installation is adjustable. The multiple addition ports and multiple sets of mounting components enable the addition of various colorants. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the appearance of the present utility model;

[0018] Figure 2 This is a schematic diagram of the material adding mechanism of this utility model;

[0019] Figure 3 This is a partial schematic diagram of the material adding mechanism of this utility model;

[0020] Figure 4 This is a partial schematic diagram of the mounting components of this utility model.

[0021] In the diagram: 1. Support box; 2. Extruder; 3. Polyester filament extrusion die; 4. Mixing assembly; 41. Mixing cylinder; 42. Stirring assembly; 43. Cover plate; 44. Addition port; 45. Sealing cover; 5. Colorant addition assembly; 51. Storage tank; 52. Metering pump; 53. Insert tube; 54. Sleeve; 55. Top cover; 6. Mounting assembly; 61. Fixed rod; 62. Movable rod; 63. Lead screw; 64. Threaded sleeve; 65. T-shaped slide bar; 66. Limiting block; 67. Limiting spring; 68. Limiting groove block; 7. Controller; 8. Color recognition sensor. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 The dye-free melt spinning device based on colored polyester filament offers two technical solutions:

[0024] The first embodiment includes a support box 1, and an extruder 2 is installed on the top of the support box 1. A material adding mechanism is installed on the top of the extruder 2. The material adding mechanism includes a mixing component 4 and multiple colorant adding components 5.

[0025] The mixing component 4 includes a mixing cylinder 41, with a cover plate 43 fixedly connected to the top of the mixing cylinder 41. A stirring component 42 is installed on the cover plate 43 inside the mixing cylinder 41. The stirring component 42 consists of a drive motor and a stirring rod. Multiple addition ports 44 are fixedly connected at equal intervals along the circumference of the top of the cover plate 43. Installation components 6 are provided on both sides of the multiple addition ports 44. Multiple colorant addition components 5 are installed at the positions of the multiple addition ports 44 through the installation components 6. The number of colorant addition components 5 can be flexibly selected. The mixing cylinder 41 is connected to the extruder 2 through a pipeline, and an electromagnetic switch valve is provided on the pipeline. The mixing cylinder 41 is provided with a feed port for conveying polyester filament raw materials. The top of the addition port 44 is sealed with an annular sealing ring. The opening of the addition port 44 without the colorant addition component 5 is covered with a sealing cap 45.

[0026] The colorant addition assembly 5 includes a storage tank 51, and a top cover 55 is hinged to the top of the storage tank 51. A metering pump 52 is connected to the outlet flange below the storage tank 51. A tube 53 is connected to the outlet flange of the metering pump 52. A sleeve 54 is fixedly connected to the outside of the tube 53. An annular cavity with the same size as the addition port 44 is formed between the tube 53 and the sleeve 54, and the tube 53 is inserted into the inside of the addition port 44.

[0027] The extruder 2 is equipped with a controller 7. A polyester filament extrusion die 3 is connected to the outlet of the extruder 2. A color recognition sensor 8, model TCS3530, is mounted on the top of the polyester filament extrusion die 3 via a bracket. The color recognition sensor 8 is electrically connected to the controller 7. The metering pump 52 is also electrically connected to the controller 7. The metering pump 52 is wirelessly connected to the controller 7, and each metering pump 52 is matched with the controller 7 to allow for individual control of a specific metering pump 52. The corresponding pigment is added to each colorant component 5. A label is placed on the outside of the storage tank 51 for easy manual identification. For example, after the metering pump 52 in the colorant adding component 5 containing red pigment is connected to the controller 7, the controller 7 recognizes that the metering pump 52 is delivering red pigment. The controller 7 has a built-in control algorithm. If the color is unqualified, it will promptly control a specific metering pump 52 to operate. For example, if the color is lighter than the target color, the control algorithm in the controller 7 determines that the amount of a certain colorant is insufficient, and then increases the amount added in subsequent batches.

[0028] The independent storage tank 51 and metering pump 52 design enable precise supply of different types of additives during colorant addition, solving the problem of lack of precise metering capability in the prior art. At the same time, the proportion of additives can be flexibly adjusted according to actual needs to meet the production requirements of colored polyester.

[0029] The second embodiment differs from the first embodiment in that: the mounting assembly 6 has a symmetrical structure, and the single-sided mounting assembly 6 includes a fixed rod 61 and a movable rod 62. A lead screw 63 is fixedly connected to the bottom of the movable rod 62, and the lead screw 63 is inserted into the interior of the fixed rod 61. A threaded sleeve 64 is rotatably connected to the top of the fixed rod 61, and the threaded sleeve 64 is threadedly connected to the surface of the movable rod 62. Two T-shaped slide rods 65 are slidably connected to one side of the movable rod 62. A limit block 66 is fixedly connected to one end of the two T-shaped slide rods 65 that passes through the movable rod 62. A limit spring 67 is sleeved on the surface of the T-shaped slide rod 65 between the limit block 66 and the movable rod 62. A limit groove block 68 that cooperates with the limit block 66 is fixedly connected to the bottom of the storage tank 51.

[0030] The colorant adding component is installed on top of the mixing component 4 via the mounting component 6. Installation can be completed quickly by inserting the tube 53 into the adding port 44. The tightness after installation is adjustable. The multiple adding ports and multiple sets of mounting components 6 also enable the addition of various colorants.

[0031] In use, select the corresponding number of colorant addition components 5 according to the dyeing requirements and install them onto the mixing component 4. During installation, align the insertion tube 53 with the addition port 44 and insert it. During insertion, the top of the limiting groove block 68 contacts the top of the limiting block 66, pushing the limiting block 66 to move. When the limiting block 66 enters the interior of the limiting groove block 68, the limiting spring 67 causes the limiting block 66 to enter the limiting groove block 68. At this time, the limiting block 66 and the limiting groove block 68 are hooked together, thus completing the installation of the colorant addition component 5. Additionally, by rotating the thread... The sleeve 64 causes the lead screw 63 to move up or down, thereby adjusting the tightness of the hook between the limit block 66 and the limit groove block 68. After the colorant adding component 5 is installed, the corresponding pigment is added to the multiple colorant adding components 5. The metering pump 52 is started so that the pigment enters the mixing component 4 for mixing. In addition, when the polyester filament is extruded through the extruder 2, the color recognition sensor 8 detects the color. If it is unqualified, the controller 7 controls the corresponding metering pump 52 to work in time, thereby adding or reducing the amount of subsequent pigment to ensure the product is qualified.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dye-free melt spinning device based on colored polyester filament, comprising a support box (1), and an extruder (2) mounted above the support box (1), characterized in that: The top of the extruder (2) is equipped with a material adding mechanism, which includes a mixing component (4) and multiple colorant adding components (5). The mixing component (4) includes a mixing cylinder (41), a cover plate (43) is fixedly connected to the top of the mixing cylinder (41), and a stirring component (42) is installed on the cover plate (43) inside the mixing cylinder (41). Multiple addition ports (44) are fixedly connected at equal intervals along the circumference of the top of the cover plate (43), and mounting components (6) are provided on both sides of the multiple addition ports (44). Multiple colorant addition components (5) are respectively installed at the positions of the multiple addition ports (44) through the mounting components (6), and the number of colorant addition components (5) is selected according to the requirements.

2. The dye-free melt spinning device based on colored polyester filament according to claim 1, characterized in that: The mixing cylinder (41) is connected to the extruder (2) through a pipe, and an electromagnetic switch valve is provided on the pipe. The mixing cylinder (41) is provided with a feed port for conveying polyester filament raw materials. The top of the addition port (44) is sealed with an annular sealing ring, and the opening of the addition port (44) without the colorant addition component (5) is covered with a sealing cap (45) for sealing.

3. The dye-free melt spinning device based on colored polyester filament according to claim 1, characterized in that: The colorant addition component (5) includes a storage tank (51) with a top cover (55) hinged to the top of the storage tank (51). A metering pump (52) is connected to the outlet flange below the storage tank (51). A tube (53) is connected to the outlet flange of the metering pump (52). A sleeve (54) is fixedly connected to the outside of the tube (53). An annular cavity with the same size as the addition port (44) is formed between the tube (53) and the sleeve (54). The tube (53) is inserted into the inside of the addition port (44).

4. The dye-free melt spinning device based on colored polyester filament according to claim 3, characterized in that: The extruder (2) is equipped with a controller (7), and a polyester filament extrusion die (3) is connected to the outlet of the extruder (2). A color recognition sensor (8) is installed on the top of the polyester filament extrusion die (3) via a bracket. The color recognition sensor (8) is electrically connected to the controller (7), and the metering pump (52) is also electrically connected to the controller (7).

5. The dye-free melt spinning device based on colored polyester filament according to claim 4, characterized in that: The mounting assembly (6) has a symmetrical structure. One side of the mounting assembly (6) includes a fixed rod (61) and a movable rod (62). The bottom of the movable rod (62) is fixedly connected to a lead screw (63), and the lead screw (63) is inserted into the interior of the fixed rod (61). The top of the fixed rod (61) is rotatably connected to a threaded sleeve (64), and the threaded sleeve (64) is threadedly connected to the surface of the movable rod (62).

6. The dye-free melt spinning device based on colored polyester filament according to claim 5, characterized in that: Two T-shaped slide rods (65) are slidably connected to one side of the movable rod (62). Each of the two T-shaped slide rods (65) is fixedly connected to a limit block (66) at one end of the movable rod (62). A limit spring (67) is sleeved on the surface of the T-shaped slide rod (65) between the limit block (66) and the movable rod (62). A limit groove block (68) that cooperates with the limit block (66) is fixedly connected to the bottom of the storage tank (51).

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