A kind of based on chemical fiber spinning injection head thread is rejected device

By designing a novel rejection frame and fine-tuning mechanism, a chemical fiber spinning rejection device was developed, achieving efficient rejection of the spinning head yarn. This solved the problems of poor rejection effect and yarn bundle damage in existing devices, thereby improving production efficiency and product quality.

CN115305586BActive Publication Date: 2026-04-14JIANGYIN HUAHONG CHEM FIBER +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGYIN HUAHONG CHEM FIBER
Filing Date
2022-07-11
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

In current chemical fiber spinning production, it is difficult to effectively remove the lead yarn, which affects subsequent production processes. Furthermore, existing removal devices suffer from poor removal efficiency and damage to the yarn bundle.

Method used

Design a rejection device for injection yarns based on chemical fiber spinning. A novel rejection frame forms a narrow yarn threading gap, and a separating blade quickly separates the injection yarns. The yarns are then slid open and rejected by a guide plate. Combined with an adjustable fine-tuning mechanism and locking elements, safety and applicability are ensured.

Benefits of technology

It significantly improves the removal effect of the injection head wire, ensures the production efficiency and product quality of subsequent processes, reduces wire bundle damage, and improves operational safety and applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of based on chemical fibre spinning injection head silk with rejecting device, it is related to chemical fibre spinning technical field.The application includes two rejecting frames, front support and rear support, rejecting frame includes inner frame body and rejecting plate, inner frame body includes riser, and the upper portion of one side of riser is obliquely fixed with guide plate, and bottom plate is fixed between guide plate and riser, the other side surface of riser is equipped with recess, and end plate is fixed in both ends of inner frame body, and outer clamping plate is fixed on the outer surface of end plate by connecting plate, rejecting plate is slidably arranged in recess, and separating blade is fixed at the top edge of rejecting plate.The injection head silk will be separated from the filament bundle quickly by the sharpness of the upper surface of separating blade through the design of novel rejecting frame to form relatively narrow threading gap, and then slide away along guide plate to be rejected from the filament bundle, to achieve the purpose of rejecting injection head silk, greatly improve the rejection effect of injection head silk, to ensure the production efficiency of subsequent process, ensure product quality.
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Description

Technical Field

[0001] This invention belongs to the field of chemical fiber spinning technology, and in particular relates to a rejection device for injection yarn based on chemical fiber spinning. Background Technology

[0002] In the process of melt spinning of chemical fibers, it is inevitable that some yarn will be formed. If the yarn is not removed and cleaned, it will move with the yarn bundle and be introduced into subsequent processes. The fact that the yarn is always moving with the yarn bundle can easily affect subsequent production and product quality, such as causing problems with winding rollers, stretching rollers, yarn jamming due to crimping, and damage to the cutting knife.

[0003] Current rejectors include several types such as single cylindrical, double cylindrical adjustable slit, and pigtail. However, problems such as poor rejection effect, hindering fiber transfer, and causing fiber damage still occur during use, which directly affect subsequent production processes, thereby affecting production efficiency and product quality. Therefore, designing a rejecting device with better rejection effect and easier operation by workers is a problem that needs to be solved by those in this field. Summary of the Invention

[0004] The purpose of this invention is to provide a rejecting device for injection yarns in chemical fiber spinning. By designing a novel rejecting frame, a narrower yarn threading gap can be formed. The injection yarns are quickly separated from the yarn bundle by the sharpness of the upper surface of the separating blade. Subsequently, the yarns slide along the guide plate and are removed from the yarn bundle, thus achieving the purpose of rejecting injection yarns. This significantly improves the rejection effect of injection yarns, thereby ensuring the production efficiency of subsequent processes and ensuring product quality.

[0005] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0006] This invention relates to a rejecting device for injection yarn based on chemical fiber spinning, comprising two rejecting frames, a front support and a rear support;

[0007] The rejection rack includes an inner frame and a rejection plate;

[0008] The inner frame includes a vertical plate, a guide plate is obliquely fixed to the upper part of one side of the vertical plate, a bottom plate is fixed between the guide plate and the vertical plate, a groove is provided on the other side of the vertical plate, and end plates are fixed to both ends of the inner frame. An outer clamping plate is fixed to the outer surface of the end plate through a connecting plate.

[0009] The rejection plate is slidably disposed in the groove. A separation blade is fixed at the top edge of the rejection plate. A horizontal plate is fixed at the bottom edge of the rejection plate. Several guide rods are fixed at the top of the horizontal plate. The guide rods penetrate the bottom plate and are fixed with a limit plate. The horizontal plate is fixed to the bottom plate by several locking components.

[0010] Both the front and rear brackets include an L-shaped base plate, and a strip-shaped opening is provided on the long side of the base plate;

[0011] The two rejection frames are symmetrically arranged between the front support and the rear support, and a wire-threading gap is formed between the rejection plates on the two rejection frames. The connecting plate is slidably arranged in the strip-shaped opening, and a fine-adjustment mechanism is provided between the outer clamping plates at both ends of the rejection frame and the front support and the rear support.

[0012] The base plate is divided into a main body and a support plate by cutting along the middle of the strip-shaped opening. The two rejection frames are respectively set between the main body and the support plate on the front support and the rear support.

[0013] The support plate on the front bracket is rotatably connected to the main plate via a hinge, and the support plate on the rear bracket is connected to the main plate via a pin.

[0014] Furthermore, several locking components are evenly spaced between the horizontal plate and the bottom plate. Each locking component includes a rotating rod, the top end of which is rotatably connected to the bottom plate. A set of arc-shaped clamps is fixed to the circumferential side of the rotating rod, and a rotating handle is fixed to the bottom end of the rotating rod. The horizontal plate is disposed within two arc-shaped clamps on the several locking components.

[0015] Furthermore, the two arc-shaped clamps on the locking member are provided with rubber pads on opposite surfaces, and guide slopes are provided on both sides of the rubber pads. The two arc-shaped clamps are interference-fitted with the cross plate through the rubber pads.

[0016] Furthermore, a lifting plate is fixed to the bottom surface of the horizontal plate, one end of which extends to the outside of the removal frame, and the lifting plate does not interfere with the several rotary handles.

[0017] Furthermore, the fine-tuning mechanism includes a screw sleeve and a screw rod. The screw rod is rotatably connected to the outer side of the outer clamping plate via a support plate. The screw sleeve is fixed to the base plate. One end of the screw rod passes through the screw sleeve and is threadedly connected to the screw sleeve. The other end of the screw rod is provided with a handle.

[0018] Furthermore, the thickness of the connecting plate is the same as the thickness of the base plate, and the end plate and the outer clamping plate slide along the two sides of the base plate respectively.

[0019] Furthermore, the seat plate has sliding edges on both sides of its long side, and the outer locking plate is slidably disposed within the sliding edges.

[0020] Furthermore, a set of waist-shaped mounting holes are provided on the short side of the seat plate, and a reinforcing rib is fixed between the short side of the seat plate and the sliding edge.

[0021] Furthermore, the cross-section of the separating blade is a right-angled triangle structure, and the inclined surface of the separating blade faces outward and is flush with the outer surface of the guide plate.

[0022] Furthermore, the top surface of the vertical plate is flat and blunted, and the distance between the separating blade and the horizontal plate is the same as the width of the vertical plate.

[0023] The present invention has the following beneficial effects:

[0024] 1. This invention, through the design of a novel rejection frame, can form a relatively narrow threading gap. The injection head wire will be quickly separated from the wire bundle by the sharpness of the upper surface of the separating blade, and then slide along the wire guide plate to be removed from the wire bundle, thus achieving the purpose of removing the injection head wire. This greatly improves the rejection effect of the injection head wire, thereby ensuring the production efficiency of subsequent processes and ensuring product quality.

[0025] 2. This invention features a sliding rejection plate with a locking mechanism to fix its position. Except during the wire rejection process, the rejection plate and the separating blade can be stored in a groove, preventing the separating blade from being exposed and reducing damage to the wire bundle or workers. It offers good safety, has a simple structure, and is conducive to production.

[0026] 3. The present invention has a fine-tuning mechanism designed to be used between two rejection frames. It can adjust the threading gap to align with the thread bundle, and can also adjust the width of the threading gap, so as to facilitate the passage of the thread bundle and achieve a satisfactory rejection effect. It has good applicability.

[0027] 4. By designing novel front and rear supports, this invention ensures that one rejection frame is fixed in position while the other rejection frame can rotate without affecting its own position. This creates a larger space for transferring the yarn bundle into the threading gap, which is convenient for operators and ensures high safety.

[0028] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0029] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of a rejecting device for injection yarn based on chemical fiber spinning according to the present invention;

[0031] Figure 2 This is a schematic diagram of the rejection rack structure;

[0032] Figure 3 This is a schematic diagram of the front support structure;

[0033] Figure 4 This is a schematic diagram of the rear support structure;

[0034] Figure 5 This is a structural sectional view at the locations of the two rejection racks;

[0035] Figure 6 A sectional view of the structure at the location of the fine-tuning mechanism on the front or rear support;

[0036] Figure 7 This is a schematic diagram of the rubber pad structure;

[0037] The attached diagram lists the components represented by each number as follows:

[0038] 1-Rejection frame, 2-Front support, 3-Rear support, 4-Locking component, 5-Threading gap, 6-Fine adjustment mechanism, 101-Rejection plate, 102-Vertical plate, 103-Thread guide plate, 104-Bottom plate, 105-Groove, 106-Separation blade, 107-Horizontal plate, 108-Guide rod, 109-Limiting plate, 110-End plate, 111-Connecting plate, 112-Outer clamping plate, 113- Lifting plate, 201-Seat plate, 202-Strip opening, 203-Sliding edge, 204-Main body, 205-Support plate body, 206-Oval mounting opening, 207-Reinforcing rib, 301-Pin, 401-Rotating rod, 402-Arc-shaped clamp, 403-Rotating handle, 404-Rubber pad, 405-Guide slope, 601-Threaded sleeve, 602-Threaded rod, 603-Support plate, 604-Handle. Detailed Implementation

[0039] 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.

[0040] Please see Figure 1-6 As shown, the present invention is a rejection device for injection yarn based on chemical fiber spinning, including two rejection frames 1, a front support 2 and a rear support 3;

[0041] The rejection rack 1 includes an inner frame and a rejection plate 101;

[0042] The inner frame includes a vertical plate 102. A guide plate 103 is fixedly inclined on the upper part of one side of the vertical plate 102. A bottom plate 104 is fixed between the guide plate 103 and the vertical plate 102. A groove 105 is provided on the other side of the vertical plate 102. End plates 110 are fixed at both ends of the inner frame. An outer clamping plate 112 is fixed to the outer surface of the end plate 110 through a connecting plate 111.

[0043] The rejection plate 101 is slidably disposed in the groove 105. A separation blade 106 is fixed at the top edge of the rejection plate 101, and a horizontal plate 107 is fixed at the bottom edge of the rejection plate 101. Several guide rods 108 are fixed at the top of the horizontal plate 107. The guide rods 108 penetrate the bottom plate 104 and are fixed with a limit plate 109. The horizontal plate 107 is fixed to the bottom plate 104 by several locking pieces 4.

[0044] Both the front bracket 2 and the rear bracket 3 include an L-shaped seat plate 201, and a strip-shaped opening 202 is provided on the long side of the seat plate 201.

[0045] Two rejection frames 1 are symmetrically arranged between the front support 2 and the rear support 3. A wire threading gap 5 is formed between the rejection plates 101 on the two rejection frames 1. The connecting plate 111 is slidably arranged in the strip-shaped opening 202. The outer clamping plates 112 at both ends of the rejection frame 1 are provided with fine adjustment mechanisms 6 between the front support 2 and the rear support 3.

[0046] The seat plate 201 is divided into a main body 204 and a support plate 205 by cutting along the middle of the strip opening 202. Two rejection frames 1 are respectively set between the main body 204 and the support plate 205 on the front support 2 and the rear support 3.

[0047] The support plate 205 on the front bracket 2 is rotatably connected to the main plate 204 via a hinge, and the support plate 205 on the rear bracket 3 is connected to the main plate 204 via a pin 301.

[0048] Among them, such as Figure 1-2 and Figure 5 As shown, several locking components 4 are evenly spaced between the horizontal plate 107 and the bottom plate 104. Each locking component 4 includes a rotating rod 401. The top end of the rotating rod 401 is rotatably connected to the bottom plate 104. A set of arc-shaped clamping plates 402 are fixed to the circumferential side of the rotating rod 401. A handle 403 is fixed to the bottom end of the rotating rod 401. The horizontal plate 107 is located within the two arc-shaped clamping plates 402 on the locking components 4.

[0049] Among them, such as Figure 7 As shown, the two arc-shaped clamping plates 402 on the locking member 4 are provided with rubber pads 404 on their opposite surfaces. The rubber pads 404 are provided with guide slopes 405 on both sides. The two arc-shaped clamping plates 402 are interference-fitted with the horizontal plate 107 through the rubber pads 404.

[0050] Among them, such as Figure 1-2 and Figure 5 As shown, a lifting plate 113 is fixed to the bottom surface of the horizontal plate 107. One end of the lifting plate 113 extends to the outside of the removal frame 1. The lifting plate 113 and several rotary handles 403 do not interfere with each other.

[0051] Among them, such as Figure 1-4 and Figure 6As shown, the fine-tuning mechanism 6 includes a screw sleeve 601 and a screw rod 602. The screw rod 602 is rotatably connected to the outer side of the outer clamping plate 112 through the support plate 603. The screw sleeve 601 is fixed to the seat plate 201. One end of the screw rod 602 passes through the screw sleeve 601 and is threadedly connected to the screw sleeve 601. The other end of the screw rod 602 is provided with a handle 604.

[0052] Among them, such as Figure 6 As shown, the thickness of the connecting plate 111 is the same as the thickness of the base plate 201, and the end plate 110 and the outer clamping plate 112 slide along the two sides of the base plate 201 respectively.

[0053] Among them, such as Figure 3-4 and Figure 6 As shown, sliding edges 203 are provided on both sides of the long side of the seat plate 201, and the outer clamping plate 112 is slidably disposed within the sliding edges 203.

[0054] Among them, such as Figure 3-4 and Figure 6 As shown, a set of waist-shaped mounting holes 206 are provided on the short side of the seat plate 201, and a reinforcing rib 207 is fixed between the short side of the seat plate 201 and the sliding edge 203.

[0055] Among them, such as Figure 1-2 and Figure 5 As shown, the cross-section of the separating blade 106 is a right-angled triangular structure, with the inclined surface of the separating blade 106 facing outward and flush with the outer surface of the guide plate 103.

[0056] The top surface of the vertical plate 102 is flat and blunted, and the distance between the separating blade 106 and the horizontal plate 107 is the same as the width of the vertical plate 102.

[0057] The working principle of this invention is as follows: release the locking of the pin 301, pull one end of the rejection frame 1 mounted on the support plate 205 of the front support 2 and the rear support 3, so that the two rejection frames 1 can be separated, the wire bundle can be transferred to the position between the two rejection frames 1, and then the rejection frame 1 can be reset and locked by the pin 301.

[0058] After locking, the horizontal plate 107 is lifted by the lifting plate 113, which drives the removal plate 101 to move upward along the groove 105. When the top surface of the horizontal plate 107 is in contact with the bottom surface of the vertical plate 102, it indicates that the position of the removal plate 101 is adjusted in place. At this time, the separating blade 106 is exposed outside the vertical plate 102, and the horizontal plate 107 is opposite to the center of the two arc-shaped clamps 402 on the locking member 4. At this time, the handle 403 is turned, and the horizontal plate 107 can be locked by the arc-shaped clamps 402, thereby fixing the position of the removal plate 101 and the separating blade 106.

[0059] Simultaneously rotating the handles 604 at both ends of the rejection frame 1 can adjust the wire threading gap 5 between the two rejection frames 1;

[0060] The filament bundle is fed into the filament threading gap 5 from one end near the separating blade 106. When the injection head filament appears, it is guided out through the guide plate 103 and can be cut by the separating blade 106 to remove the injection head filament.

[0061] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0062] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rejecting device for injection yarn based on chemical fiber spinning, characterized in that: It includes two rejection frames (1), a front support (2) and a rear support (3); The rejection rack (1) includes an inner frame and a rejection plate (101). The inner frame includes a vertical plate (102), a guide plate (103) is obliquely fixed on the upper part of one side of the vertical plate (102), a bottom plate (104) is fixed between the guide plate (103) and the vertical plate (102), a groove (105) is provided on the other side of the vertical plate (102), and end plates (110) are fixed at both ends of the inner frame. An outer clamping plate (112) is fixed on the outer surface of the end plate (110) through a connecting plate (111). The rejection plate (101) is slidably disposed in the groove (105). A separation blade (106) is fixed at the top edge of the rejection plate (101). A horizontal plate (107) is fixed at the bottom edge of the rejection plate (101). Several guide rods (108) are fixed at the top of the horizontal plate (107). The guide rods (108) penetrate the bottom plate (104) and are fixed with a limit plate (109). The horizontal plate (107) is fixed to the bottom plate (104) by several locking pieces (4). Both the front bracket (2) and the rear bracket (3) include an L-shaped seat plate (201), and a strip-shaped opening (202) is provided on the long side of the seat plate (201). Two rejection frames (1) are symmetrically arranged between the front support (2) and the rear support (3). A wire threading gap (5) is formed between the rejection plates (101) on the two rejection frames (1). The connecting plate (111) is slidably arranged in the strip opening (202). The outer clamping plates (112) at both ends of the rejection frame (1) are provided with fine adjustment mechanisms (6) between the front support (2) and the rear support (3). The seat plate (201) is divided into a main body (204) and a support plate (205) by cutting along the middle of the strip opening (202). The two removal frames (1) are respectively set between the main body (204) and the support plate (205) on the front support (2) and the rear support (3). The support plate (205) on the front bracket (2) is rotatably connected to the main plate (204) through a hinge, and the support plate (205) on the rear bracket (3) is connected to the main plate (204) through a pin (301); Several locking components (4) are evenly spaced between the horizontal plate (107) and the bottom plate (104). Each locking component (4) includes a rotating rod (401). The top end of the rotating rod (401) is rotatably connected to the bottom plate (104). A set of arc-shaped clamps (402) are fixed on the periphery of the rotating rod (401). A handle (403) is fixed at the bottom end of the rotating rod (401). The horizontal plate (107) is located inside the two arc-shaped clamps (402) on the several locking components (4). The locking member (4) has two arc-shaped clamps (402) with rubber pads (404) on opposite surfaces. The rubber pads (404) have guide slopes (405) on both sides. The two arc-shaped clamps (402) are interference-fitted with the horizontal plate (107) through the rubber pads (404). A lifting plate (113) is fixed on the bottom surface of the horizontal plate (107). One end of the lifting plate (113) extends to the outside of the removal frame (1). The lifting plate (113) does not interfere with the several rotary handles (403).

2. The rejecting device for injection yarn based on chemical fiber spinning according to claim 1, characterized in that, The fine-tuning mechanism (6) includes a screw sleeve (601) and a screw rod (602). The screw rod (602) is rotatably connected to the outer side of the outer clamping plate (112) through a support plate (603). The screw sleeve (601) is fixed to the seat plate (201). One end of the screw rod (602) passes through the screw sleeve (601) and is threadedly connected to the screw sleeve (601). The other end of the screw rod (602) is provided with a handle (604).

3. The rejecting device for injection yarn based on chemical fiber spinning according to claim 1, characterized in that, The thickness of the connecting plate (111) is the same as the thickness of the seat plate (201), and the end plate (110) and the outer clamping plate (112) slide along the two sides of the seat plate (201) respectively.

4. The rejecting device for injection yarn based on chemical fiber spinning according to claim 1, characterized in that, The seat plate (201) has sliding edges (203) on both sides of its long side, and the outer card plate (112) is slidably disposed within the sliding edges (203).

5. The rejecting device for injection yarn based on chemical fiber spinning according to claim 4, characterized in that, A set of waist-shaped mounting holes (206) are provided on the short side of the seat plate (201), and a reinforcing rib (207) is fixed between the short side of the seat plate (201) and the sliding edge (203).

6. The rejecting device for injection yarn based on chemical fiber spinning according to claim 1, characterized in that, The separation blade (106) has a right-angled triangular cross-section, and the inclined surface of the separation blade (106) faces outward and is flush with the outer surface of the guide wire plate (103).

7. The rejecting device for injection yarn based on chemical fiber spinning according to claim 1, characterized in that, The top surface of the vertical plate (102) is flat and blunted, and the distance between the separating blade (106) and the horizontal plate (107) is the same as the width of the vertical plate (102).

Citation Information

Patent Citations

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