A method for producing a wear-resistant polyester monofilament

By improving the quick-change spinneret and the feeding control structure, the problems of cumbersome spinneret disassembly and assembly and inaccurate feeding were solved, and the efficient production of wear-resistant polyester monofilament was achieved.

CN119433731BActive Publication Date: 2025-11-18NINGGUO GAOBO NEW MATERIAL CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202411909160.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-18
Estimated Expiration
2044-12-24

AI Technical Summary

Technical Problem

In the current production process of wear-resistant polyester monofilament, the disassembly and assembly of the spinneret is cumbersome, which affects production efficiency, and the inaccurate feeding control can easily lead to spinneret breakage.

Method used

The spinneret is quickly replaced by a structure consisting of a threaded rod, a rotating rod, a shaped disc, a fixed frame, a lever, and a spring. The feed quantity is controlled and the feed amount is precisely adjusted by using a cylinder, a moving rod, a rotating column, and a baffle plate.

Benefits of technology

It improves the efficiency of spinneret replacement, avoids spinneret breakage, and enhances production efficiency and the plasticizing effect of polyester granules.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119433731B_ABST
    Figure CN119433731B_ABST
Patent Text Reader

Abstract

The application provides a preparation method of wear-resistant polyester monofilament, which comprises the following steps: S1, a poking rod is poked, the poking rod drives a rotating rod to rotate through a fixed frame, the rotating rod drives two special-shaped discs to rotate, a second connecting plate is pushed, the second connecting plate drives a threaded rod to slide on a first connecting plate, two second connecting plates drive an extrusion frame to move, the extrusion frame drives a spinneret plate to move, one side of the spinneret plate is separated from a sealing gasket on one side of a conveying table, and the spinneret plate with a required size of spinneret hole is replaced; S2, a moving rod is driven to move through a gas cylinder, the moving rod drives two rotating columns to move, each rotating column drives a corresponding rotating disc to rotate, the rotating disc drives a rotating column to rotate, the rotating column drives a blocking plate to rotate, and the number of feed is controlled by adjusting the distance between the two blocking plates; S3, raw materials are added into a storage hopper, then into a discharging pipe, and then into a conveying table, finally output from the spinneret plate under the cooperation of a conveying screw rod.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of wear-resistant polyester monofilament, and particularly relates to a preparation method of wear-resistant polyester monofilament. BACKGROUND

[0002] Polyester monofilament is a special kind of fiber material, which is obtained by melting and extruding polyester chips and then jetting through a series of precise spinneret holes. This fiber is of great concern due to its unique physical properties and wide range of applications. Polyester monofilament is mainly used to manufacture various textiles, covering a variety of textile technologies from knitting, weaving to non-woven fabrics. Its diameter range is very wide, from tiny 0.03 mm to relatively large 0.90 mm, and this diameter diversity enables polyester monofilament to adapt to different textile needs and product designs.

[0003] However, the current production process of wear-resistant polyester monofilament still relies on traditional equipment, most of which need to be fixed by bolts, which makes the disassembly and assembly process cumbersome and thus affects the overall production efficiency. In view of this, the application provides a preparation method of wear-resistant polyester monofilament. SUMMARY

[0004] The application aims to solve the problems in the prior art and provides a preparation method of wear-resistant polyester monofilament.

[0005] In order to achieve the above-mentioned purpose, the application adopts the following technical scheme: a preparation method of wear-resistant polyester monofilament, comprising the following steps:

[0006] S1, the push rod is pushed, the push rod drives the rotating rod to rotate through the fixed frame, the rotating rod drives the two special-shaped discs to rotate, and the elasticity of the spring pushes the second connecting plate, the second connecting plate drives the threaded rod to slide on the first connecting plate, so that the two second connecting plates drive the extrusion frame to move, the extrusion frame drives the spinneret plate to move, one side of the spinneret plate is separated from the sealing gasket on one side of the conveying table, and then the spinneret plate is pulled out upwards, and the spinneret plate with the required size of the spinneret hole is replaced;

[0007] S2, the moving rod is moved by the air cylinder, the moving rod drives the two rotating columns to move, each rotating column drives the corresponding rotating disc to rotate, the rotating disc drives the rotating column to rotate, the rotating column drives the blocking plate to rotate, and the number of feed is controlled by adjusting the distance between the two blocking plates;

[0008] S3, the raw material is added into the storage hopper, then enters the discharge pipe, and then enters the conveying table, finally is output from the spinneret plate under the cooperation of the conveying screw rod, and the required wear-resistant polyester monofilament is obtained;

[0009] The production preparation device includes a conveying table, the far side of the conveying table is fixedly connected with a heating device, one side of the conveying table is fixedly connected with a sealing pad, one end of the conveying table is slidably connected with an extrusion frame, the far side of the extrusion frame is fixedly connected with a second connecting plate, a sliding groove is formed in the upper surface of the extrusion frame, a spinneret is slidably connected in the sliding groove, a plurality of filament holes are formed in one side of the spinneret, the far side of the conveying table is fixedly connected with a first connecting plate, the first connecting plate is provided with a fixing structure, a discharge pipe is fixedly and penetratingly connected to the upper surface of the conveying table, a limiting structure is arranged on the discharge pipe, and a storage hopper is fixedly connected to the upper surface of the discharge pipe.

[0010] As a further description of the above technical scheme:

[0011] The inside of the conveying table is rotatably connected with two conveying screws, one end of each conveying screw is fixedly connected with a first gear, the two first gears are meshedly connected, one side of the conveying table is fixedly connected with a fixed plate, one side of the fixed plate is fixedly connected with a servo motor, a second gear is fixedly connected to the output shaft of the servo motor, and the second gear is meshedly connected with one of the first gears.

[0012] As a further description of the above technical scheme:

[0013] The fixing structure includes a threaded rod which is slidably connected to the side of the first connecting plate, and one end of the threaded rod is threadedly connected to the side of the corresponding second connecting plate.

[0014] As a further description of the above technical scheme:

[0015] One end of the threaded rod is rotatably connected with a rotating rod, two special-shaped discs are fixedly connected to the rotating rod, the two special-shaped discs are in close contact with the first connecting plate, the far ends of the rotating rod are fixedly connected with a fixed frame, and one side of the fixed frame is fixedly connected with a pushing rod.

[0016] As a further description of the above technical scheme:

[0017] A spring is movably arranged on the threaded rod, one end of the spring is fixedly connected to one side of the first connecting plate, and the other end is fixedly connected to one side of the second connecting plate.

[0018] As a further description of the above technical scheme:

[0019] The limiting structure includes a pneumatic cylinder which is fixedly connected to the upper surface of the conveying table, a moving rod is fixedly connected to the piston end of the pneumatic cylinder, and a moving groove is formed in one side of the moving rod.

[0020] As a further description of the above technical scheme:

[0021] The discharge pipe is internally connected to two rotating columns, each of which is equipped with a baffle plate. One end of each rotating column is fixedly connected to a rotating disk, and one side of each rotating disk is fixedly connected to a rotating column. Each rotating column is movably connected within a moving groove.

[0022] The present invention has the following beneficial effects:

[0023] 1. Compared with existing technologies, this method for preparing abrasion-resistant polyester monofilament involves setting up a threaded rod, a rotating rod, shaped discs, a fixed frame, a lever, and a spring. The lever is activated, causing the rotating rod to rotate via the fixed frame. The rotating rod then rotates two shaped discs. Simultaneously, the spring's elasticity pushes a second connecting plate. The second connecting plate causes the threaded rod to slide on the first connecting plate, which in turn moves the extrusion frame. The extrusion frame then moves the spinneret, causing one side of the spinneret to detach from the sealing gasket on one side of the conveyor table. The spinneret is then pulled upwards, allowing workers to easily replace spinnerets with different sizes of spinneret holes as needed without disassembling bolts, thus improving spinneret replacement efficiency.

[0024] 2. Compared with the prior art, this method for preparing abrasion-resistant polyester monofilament uses a cylinder, a moving rod, a rotating column, a baffle plate, a rotating disk, and a rotating column. The cylinder drives the moving rod to move, the moving rod drives two rotating columns to move, each rotating column drives a corresponding rotating disk to rotate, the rotating disk drives the rotating column to rotate, and the rotating column drives the baffle plate to rotate. The amount of feed is controlled by adjusting the distance between the two baffle plates, avoiding excessive feed which would affect the plasticization of polyester particles, and insufficient feed which would cause the filaments to break. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the three-dimensional structure proposed in this invention;

[0026] Figure 2 This is a schematic diagram of the material limiting structure proposed in this invention;

[0027] Figure 3 This is an exploded view of the material-limiting structure proposed in this invention;

[0028] Figure 4 This is a schematic diagram of the fixing structure proposed in this invention;

[0029] Figure 5 This is an exploded view of the extrusion frame and spinneret proposed in this invention;

[0030] Figure 6 This is an exploded view of the fixed structure proposed in this invention.

[0031] Legend:

[0032] 1. Conveyor table; 2. Heating device; 3. Extrusion frame; 4. Spinneret; 5. First connecting plate; 6. Fixing structure; 601. Threaded rod; 602. Rotating rod; 603. Shaped disc; 604. Fixing frame; 605. Actuating rod; 606. Spring; 7. Second connecting plate; 8. Discharge pipe; 9. Storage hopper; 10. Material limiting structure; 101. Cylinder; 102. Moving rod; 103. Rotating column; 104. Barrier plate; 105. Rotating disc; 106. Rotating column; 11. First gear; 12. Fixing plate; 13. Servo motor; 14. Second gear. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Reference Figures 1 to 6 The preparation method of this wear-resistant polyester monofilament includes the following steps:

[0035] S1. Move the lever 605. The lever 605 drives the rotating rod 602 to rotate through the fixed frame 604. The rotating rod 602 drives the two irregular discs 603 to rotate. At the same time, through the elasticity of the spring 606, it pushes the second connecting plate 7. The second connecting plate 7 drives the threaded rod 601 to slide on the first connecting plate 5, so that the two second connecting plates 7 drive the extrusion frame 3 to move. The extrusion frame 3 drives the spinneret 4 to move, so that one side of the spinneret 4 is separated from the sealing gasket on one side of the conveyor table 1. Then, pull the spinneret 4 out upward and replace it with a spinneret 4 with the required size of spinneret holes.

[0036] S2. The cylinder 101 drives the moving rod 102 to move, the moving rod 102 drives the two rotating columns 106 to move, each rotating column 106 drives the corresponding rotating disk 105 to rotate, the rotating disk 105 drives the rotating column 103 to rotate, the rotating column 103 drives the baffle plate 104 to rotate, and the feeding quantity is controlled by adjusting the distance between the two baffle plates 104.

[0037] S3. Add the raw material into the storage hopper 9, then into the discharge pipe 8, and then into the conveyor table 1. With the cooperation of the conveying screw, it is finally output from the spinneret 4 to obtain the required wear-resistant polyester monofilament.

[0038] The production preparation apparatus includes a conveyor table 1, with two conveying screws rotatably connected inside the conveyor table 1. A first gear 11 is fixedly connected to one end of each conveying screw, and the two first gears 11 mesh with each other. A fixing plate 12 is fixedly connected to one side of the conveyor table 1, and a servo motor 13 is fixedly connected to one side of the fixing plate 12. A second gear 14 is fixedly connected to the output shaft of the servo motor 13, and the second gear 14 meshes with one of the first gears 11. Heating devices 2 are fixedly connected to the opposite sides of the conveyor table 1. The two heating devices 2 simultaneously heat the polyester particles, ensuring uniform heating and improving the polymerization efficiency. The plasticizing efficiency of ester particles is as follows: a sealing gasket is fixedly connected to one side of the conveyor table 1, an extrusion frame 3 is slidably connected to one end of the conveyor table 1, a second connecting plate 7 is fixedly connected to the side of the extrusion frame 3 that is far away from it, a sliding groove is opened on the upper surface of the extrusion frame 3, a spinneret 4 is slidably connected in the sliding groove, a plurality of filament outlet holes are opened on one side of the spinneret 4, a first connecting plate 5 is fixedly connected to the side of the conveyor table 1 that is far away from it, a fixing structure 6 is provided on each first connecting plate 5, a discharge pipe 8 is fixedly and through the upper surface of the conveyor table 1, a limiting structure 10 is provided on the discharge pipe 8, and a storage hopper 9 is fixedly connected to the upper surface of the discharge pipe 8.

[0039] To achieve rapid replacement, the fixing structure 6 includes a threaded rod 601 that slides through and is slidably connected to one side of the first connecting plate 5. One end of the threaded rod 601 is threadedly connected to one side of the corresponding second connecting plate 7. A spring 606 is movably mounted on the threaded rod 601. One end of the spring 606 is fixedly connected to one side of the first connecting plate 5, and the other end is fixedly connected to one side of the second connecting plate 7. A rotating rod 602 is rotatably connected to one end of the threaded rod 601. Two irregularly shaped disks 603 are fixedly connected to the rotating rod 602. Both irregularly shaped disks 603 are in contact with the first connecting plate 5 and rotate... A fixed frame 604 is fixedly connected to the ends of rods 602 that are far apart from each other. A toggle rod 605 is fixedly connected to one side of the fixed frame 604. The cylinder 101 drives the moving rod 102 to move. The moving rod 102 drives the two rotating columns 106 to move. Each rotating column 106 drives the corresponding rotating disk 105 to rotate. The rotating disk 105 drives the rotating column 103 to rotate. The rotating column 103 drives the baffle plate 104 to rotate. The amount of feed is controlled by adjusting the distance between the two baffle plates 104 to avoid overfeeding, which would affect the plasticization of polyester granules, and underfeeding, which would cause the spun yarn to break.

[0040] To control the amount of material discharged, the limiting structure 10 includes a cylinder 101 fixedly connected to the upper surface of the conveyor table 1. A moving rod 102 is fixedly connected to the piston end of the cylinder 101. A moving groove is provided on one side of the moving rod 102. Two rotating columns 103 are rotatably connected inside the discharge pipe 8. A baffle plate 104 is connected to each rotating column 103. A rotating disk 105 is fixedly connected to one end of each rotating column 103. A rotating column 106 is fixedly connected to one side of each rotating disk 105. Each rotating column 106 is movably connected in the moving groove. The cylinder 101 drives the moving rod 102 to move, and the moving rod 102 drives the two rotating columns 106 to move. Each rotating column 106 drives the corresponding rotating disk 105 to rotate, and the rotating disk 105 drives the rotating column 103 to rotate. The rotating column 103 drives the baffle plate 104 to rotate. The amount of feed is controlled by adjusting the distance between the two baffle plates 104 to avoid overfeeding, which would affect the plasticization of polyester granules, and underfeeding, which would cause the spun yarn to break.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for producing wear-resistant polyester monofilament, comprising a conveyor table (1), characterized in that: A heating device (2) is fixedly connected to the side of the conveyor platform (1) away from each other. A sealing gasket is fixedly connected to one side of the conveyor platform (1). An extrusion frame (3) is slidably connected to one end of the conveyor platform (1). A second connecting plate (7) is fixedly connected to the side of the extrusion frame (3) away from each other. A sliding groove is opened on the upper surface of the extrusion frame (3). A spinneret (4) is slidably connected in the sliding groove. A plurality of filament outlet holes are opened on one side of the spinneret (4). A first connecting plate (5) is fixedly connected to the side of the conveyor platform (1) away from each other. A fixing structure (6) is provided on each first connecting plate (5). A discharge pipe (8) is fixedly connected through the upper surface of the conveyor platform (1). A material limiting structure (10) is provided on the discharge pipe (8). A storage hopper (9) is fixedly connected to the upper surface of the discharge pipe (8). The fixed structure (6) includes a threaded rod (601) that is slidably connected to one side of the first connecting plate (5). One end of the threaded rod (601) is threadedly connected to one side of the corresponding second connecting plate (7). One end of the threaded rod (601) is rotatably connected to a rotating rod (602). Two irregularly shaped disks (603) are fixedly connected to the rotating rod (602). Both irregularly shaped disks (603) are in contact with the first connecting plate (5). The ends of the rotating rod (602) that are far apart are fixedly connected to a fixed frame (604). One side of the fixed frame (604) is fixedly connected to a toggle rod (605). A spring (606) is movably provided on the threaded rod (601). One end of the spring (606) is fixedly connected to one side of the first connecting plate (5), and the other end is fixedly connected to one side of the second connecting plate (7).

2. The apparatus for producing wear-resistant polyester monofilament according to claim 1, characterized in that: The conveyor platform (1) has two conveying screws rotatably connected inside. Each conveying screw has a first gear (11) fixedly connected to one end. The two first gears (11) mesh with each other. A fixing plate (12) is fixedly connected to one side of the conveyor platform (1). A servo motor (13) is fixedly connected to one side of the fixing plate (12). A second gear (14) is fixedly connected to the output shaft of the servo motor (13). The second gear (14) meshes with one of the first gears (11).

3. The apparatus for producing wear-resistant polyester monofilament according to claim 2, characterized in that: The limiting structure (10) includes a cylinder (101) fixedly connected to the upper surface of the conveyor table (1). A moving rod (102) is fixedly connected to the piston end of the cylinder (101), and a moving groove is provided on one side of the moving rod (102).

4. The apparatus for producing wear-resistant polyester monofilament according to claim 3, characterized in that: The discharge pipe (8) has two rotating columns (103) inside. Each rotating column (103) is connected to a baffle plate (104). One end of each rotating column (103) is fixedly connected to a rotating disk (105). One side of each rotating disk (105) is fixedly connected to a rotating column (106). Each rotating column (106) is movably connected in the moving groove.

5. A method for preparing abrasion-resistant polyester monofilament using the production apparatus described in claim 4, characterized in that: Includes the following steps: S1. Move the lever (605). The lever (605) drives the rotating rod (602) to rotate through the fixed frame (604). The rotating rod (602) drives the two irregular discs (603) to rotate. At the same time, through the elasticity of the spring (606), it pushes the second connecting plate (7). The second connecting plate (7) drives the threaded rod (601) to slide on the first connecting plate (5). The two second connecting plates (7) drive the extrusion frame (3) to move. The extrusion frame (3) drives the spinneret (4) to move. One side of the spinneret (4) is separated from the sealing gasket on one side of the conveyor table (1). Then, the spinneret (4) is pulled out upward and replaced with a spinneret (4) with the required size of spinneret holes. S2. The cylinder (101) drives the moving rod (102) to move, the moving rod (102) drives the two rotating columns (106) to move, each rotating column (106) drives the corresponding rotating disk (105) to rotate, the rotating disk (105) drives the rotating column (103) to rotate, the rotating column (103) drives the baffle plate (104) to rotate, and the feeding quantity is controlled by adjusting the distance between the two baffle plates (104); S3. Add the raw material into the storage hopper (9), then into the discharge pipe (8), and then into the conveyor (1). With the cooperation of the conveyor screw, it is finally output from the spinneret (4) to obtain the required wear-resistant polyester monofilament.

Citation Information

Patent Citations

  • Spinneret plate and spinning assembly for producing composite fibers with heat-moisture comfort function

    CN117721544A

  • Spinning assembly for preparing composite fibers

    CN118374893A