Weft knitting mechanism for knitted fabric

Abstract

The utility model relates to the technical field of weft knitting mechanisms, in particular to a weft knitting mechanism for knitted fabric. The weft knitting mechanism comprises a yarn passing sheet, a mounting seat, a yarn clearing bracket and a yarn guide plate, wherein the front end of the yarn passing sheet is warped upwards, a yarn feeding hole is formed in the yarn passing sheet, the bottom side of the mounting seat is connected with a weft knitting machine, and the surface side of the mounting seat is connected with the yarn passing sheet in a sliding manner; the yarn clearing bracket is erected above the yarn passing sheet and is connected with the yarn passing sheet; the yarn clearing support is erected on the yarn passing sheet, the movable yarn clearing limiting rods are arranged on the two sides of the yarn clearing support, the guide rollers rotationally arranged on the yarn clearing limiting rods are used for guiding knitting yarn, the yarn clearing nozzles are arranged on the front sides of the limiting plates provided with the guide rollers, and the intervals between the yarn clearing nozzles and the guide rollers are used for containing the knitting yarn. In the continuous yarn feeding process, the front end of the yarn cleaning nozzle cleans soft flocks conveniently, the yarn cleaning effect is achieved, and the cleaned soft flocks are discharged through the flock discharging hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to weft knitting mechanism technical field, especially, it is weft knitting mechanism of knitted fabric. BACKGROUND

[0002] The utility model discloses a yarn nozzle device for a weft knitting machine, which is characterized in that a through hole is arranged on the yarn guide plate, and a movable yarn guide limiting rod is arranged on both sides of the through hole.

[0003] However, in actual use of the yarn nozzle device, the teeth are relatively sharp, and the yarn of the knitted fabric is relatively soft and loose. In the process of rapid yarn feeding, the teeth may be stuck with the yarn, causing the machine to stop rotating. Therefore, the mechanism of the weft knitting machine needs to be improved. SUMMARY

[0004] Other features and advantages of the present utility model will be set forth in the following description of the utility model, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present utility model. The objects and other advantages of the present utility model can be realized and obtained by means of the structures particularly pointed out in the description and the accompanying drawings.

[0005] The utility model discloses a weft knitting mechanism of knitted fabric, sets up the yarn cleaning support on the yarn guide plate and sets up movable yarn cleaning limiting rod on both sides of the yarn cleaning support, and the needle knitting yarn is guided through the guide roller rotatably arranged on the yarn cleaning limiting rod, and the front side of the limiting plate of the guide roller is provided with the yarn cleaning nozzle, the interval between the yarn cleaning nozzle and the guide roller is used to accommodate the needle knitting yarn, the front end of the yarn cleaning nozzle removes the lint in the process of continuous yarn feeding, plays the role of yarn cleaning, and the removed lint is discharged through the lint hole.

[0006] This utility model provides a weft knitting mechanism for knitted fabrics, including a yarn feeder with an upturned front end and a yarn feeding hole, a mounting base connected to the bottom side of a weft knitting machine and slidably connected to the yarn feeder on the top side, a yarn clearing bracket mounted above and connected to the yarn feeder, and a yarn guide plate mounted above the yarn feeder; the yarn feeder has a mounting groove at its end, and the yarn guide plate has a fixing bolt at its front end, which passes through the mounting groove and connects to the mounting base; the yarn feeder is located between the mounting base and the yarn guide plate, and the yarn feeder and the yarn guide plate are staggered; the yarn feeder extends forward, and the yarn guide plate extends backward; the front end of the yarn feeder also has a chip discharge hole, and the yarn clearing bracket is positioned corresponding to the chip discharge hole; yarn clearing limiting rods extend outward from both the front and rear sides of the yarn clearing bracket.

[0007] The knitting yarn passes through the feeding hole at the front end of the yarn guide plate, and after being cleared by the clearing limit rod on the clearing bracket, it enters the guide plate on the rear side. The fixing bolts are used to fix the guide plate and the yarn guide plate. For details on the structure of the yarn nozzle device, please refer to the background art documents. The technical solution of this application improves on the basis of the yarn nozzle device. The clearing limit rods extended outward on both the front and rear sides of the clearing bracket clear the knitting yarn. The cleaned lint is discharged through the lint outlet hole, avoiding the problem of yarn entanglement.

[0008] In some embodiments, the yarn clearing support includes fixed arms and a central rod. The fixed arms are respectively fixed to the left and right sides of the yarn guide plate and correspond to the positions of the lint outlet holes. The central rod is connected between the two fixed arms. The central rod has two guide grooves on its front and rear sides, each guide groove having an L-shaped cross-section and both ends communicating with the outside. The fixed arms cooperate with the central rod to support the yarn clearing limiting rod. The L-shaped guide grooves on the central rod are used to cooperate with the adjusting end to limit the movement path of the yarn clearing limiting rod.

[0009] In some embodiments, the yarn clearing limiting rod includes an adjusting end, an inclined arm, and a limiting plate. The adjusting end is engaged within the guide groove and slides along the guide groove. One end of the inclined arm is connected to the adjusting end, and the other end is connected to the limiting plate. The lint outlet is located below the two limiting plates. The adjusting end is adapted to the structure of the L-shaped guide groove. By moving the adjusting end, the user can correspondingly move the entire yarn clearing limiting rod. The inclined arm is used to adjust the position of the limiting plate, making the knitted yarns taut, which is beneficial for the subsequent yarn clearing process. The cleaned lint falls into the lint outlet below.

[0010] In some embodiments, the yarn clearing limiting rod further includes a guide roller. Fixed hooks extend from both sides of the limiting plate, and the two fixed hooks are arranged opposite each other to form a movable groove. The movable groove has an opening and communicates with the outside. The guide roller is rotatably mounted inside the fixed hook, and the rotation axis of the guide roller is perpendicular to the installation direction of the yarn guide plate. The guide roller allows the taut knitting yarn to move smoothly, and the fixed hooks are used to fix the position of the guide roller. The gap and opening between the fixed hooks and the guide roller can be used to quickly engage the yarn.

[0011] In some embodiments, the inclined arm of the yarn clearing limiting rod located on the front side is inclined downwards, and the inclined arm of the yarn clearing limiting rod located on the rear side is inclined upwards. The yarn clearing limiting rods located on the front and rear sides perform repeated yarn clearing actions. Guided by multiple guide rollers, the yarn is tightened while adjusting the height difference between the yarns, allowing the yarn to be smoothly guided from the lower yarn feeding hole to the higher yarn exit hole.

[0012] In some embodiments, a triangular yarn clearing nozzle is provided on the front side of the limiting plate, with the end of the yarn clearing nozzle located above the guide roller and spaced apart. The gap between the triangular yarn clearing nozzle and the guide roller is used to accommodate knitted yarn. During the continuous yarn feeding process, in conjunction with the speed, the front end of the yarn clearing nozzle removes lint and debris, thus achieving the function of yarn clearing.

[0013] In some embodiments, the yarn guide plate is L-shaped with its vertical end facing the rear side of the mounting base. A yarn outlet hole is provided on the vertical end of the yarn guide plate, and a yarn clearing nozzle is also provided above the yarn outlet hole. The L-shaped yarn guide plate is adapted to the structure of the weft knitting machine itself, and the added yarn clearing nozzle performs a second cleaning of the yarn at the yarn outlet hole position.

[0014] In some embodiments, an electrostatic adsorption component is provided below the yarn guide plate. This component includes an electrostatic generator and an adsorption plate. The adsorption plate is attached to the surface of the yarn guide plate, and the electrostatic generator is located below the yarn guide plate. The electrostatic adsorption component adsorbs lint discharged between the yarn outlet and the yarn cleaning nozzle. When energized, the electrostatic generator causes the adsorption plate to generate static electricity, which is used to adsorb excess lint, thus collecting it. Users only need to clean the adsorption plate periodically. This effectively avoids the vibration generated when the fan adsorbs lint, which can easily lead to yarn displacement and loosening.

[0015] In some embodiments, the chip discharge hole is inclined on both sides and located on the front side of the mounting base. The inclined sidewalls guide the chips, and when the chip discharge hole is located on the front side of the mounting base, the chips can fall smoothly and be collected separately without getting stuck in the mounting base.

[0016] By adopting the above technical solution, the beneficial effects of this utility model are:

[0017] This invention features a yarn clearing bracket mounted on a yarn guide plate, with movable yarn clearing limiting rods on both sides of the bracket. A guide roller rotatably mounted on the yarn clearing limiting rod guides the knitting yarn. A yarn clearing nozzle is located on the front side of the limiting plate where the guide roller is mounted. The gap between the yarn clearing nozzle and the guide roller is used to accommodate the knitting yarn. During continuous yarn feeding, the front end of the yarn clearing nozzle removes lint, thus clearing the yarn. The removed lint is discharged through a lint outlet. An electrostatic adsorption component is also provided on the rear side of the guide plate to electrostatically adsorb scattered lint.

[0018] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure.

[0019] Undoubtedly, such and other objects of this invention will become more apparent after the following detailed description of the preferred embodiments, which are illustrated in various accompanying drawings and illustrations.

[0020] To make the above and other objects, features and advantages of this utility model more apparent and understandable, one or more preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0021] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0022] In the accompanying drawings, the same parts use the same reference numerals, and the drawings are schematic and not necessarily drawn to actual scale.

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one or more embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on such drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of the weft knitting mechanism in some embodiments of the present invention;

[0025] Figure 2 This is a schematic diagram showing the specific structure of the yarn clearing bracket and yarn clearing limiting rod in some embodiments of this utility model.

[0026] Explanation of key figure labels:

[0027] 1. Passing through the gauze sheet;

[0028] 11. Yarn feeding hole; 12. Mounting groove; 13. Chip discharge hole;

[0029] 2. Mounting bracket;

[0030] 3. Yarn clearing support;

[0031] 31. Fixed arm; 32. Center rod; 33. Guide groove;

[0032] 4. Yarn guide plate;

[0033] 5. Yarn clearing limit rod;

[0034] 51. Adjusting end; 52. Tilting arm; 53. Limiting plate; 54. Guide roller; 55. Fixing hook; 56. Movable groove;

[0035] 6. Cleaning nozzle;

[0036] 7. Yarn outlet hole;

[0037] 8. Electrostatic adsorption components;

[0038] 81. Electrostatic generator; 82. Adsorption plate. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.

[0040] Furthermore, it should be understood in the description of this utility model that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0041] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral unit; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. However, specifying a direct connection indicates that the two main bodies at the connection point are not connected through a transitional structure, but are simply connected to form a whole through a connecting structure. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0042] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," 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 this utility model. In this specification, the 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.

[0043] Reference Figure 1 , Figure 1 This is a schematic diagram of the overall structure of the weft knitting mechanism in some embodiments of this utility model.

[0044] According to some embodiments of the present invention, the present invention provides a weft knitting mechanism for knitted fabrics, including a yarn feeder 1 with an upturned front end and a yarn feeding hole 11, a mounting base 2 connected to the bottom side of the weft knitting machine and slidably connected to the yarn feeder 1 on the surface side, a yarn clearing bracket 3 mounted above the yarn feeder 1 and connected to the yarn feeder 1, and a yarn guide plate 4 mounted above the yarn feeder 1; the yarn feeder 1 has a mounting groove 12 at its end, and the yarn guide plate 4 has a fixing bolt at its front end, which passes through the mounting groove 12 and connects to the mounting base 2; the yarn feeder 1 is located between the mounting base 2 and the yarn guide plate 4, and the yarn feeder 1 and the yarn guide plate 4 are staggered; the yarn feeder 1 extends forward, and the yarn guide plate 4 extends backward; the front end of the yarn feeder 1 also has a chip outlet hole 13; the yarn clearing bracket 3 is positioned corresponding to the chip outlet hole 13; and yarn clearing limiting rods 5 extend outward from the front and rear sides of the yarn clearing bracket 3, respectively.

[0045] The knitting yarn passes through the feeding hole 11 at the front end of the yarn guide plate 1, and after being cleared by the clearing limit rod 5 set on the clearing bracket 3, it enters the yarn guide plate on the rear side. The fixing bolts are used to fix the yarn guide plate 4 and the yarn guide plate 1. For details on the structure of the yarn nozzle device, please refer to the background technical documents. The technical solution of this application improves on the basis of the yarn nozzle device. The clearing limit rods 5, which are set outward on the front and rear sides of the clearing bracket 3, clear the knitting yarn. The cleaned lint is discharged through the lint outlet hole 13, avoiding the problem of yarn entanglement.

[0046] The yarn guide plate 4 is L-shaped with its vertical end facing the rear side of the mounting base 2. A yarn outlet hole 7 is provided on the vertical end of the yarn guide plate 4, and a yarn clearing nozzle 6 is also provided above the yarn outlet hole 7. The L-shaped yarn guide plate 4 is designed to adapt to the structure of the weft knitting machine itself, and the added yarn clearing nozzle 6 performs a second cleaning of the yarn at the position of the yarn outlet hole 7.

[0047] An electrostatic adsorption component 8 is installed below the yarn guide plate 4. This component includes an electrostatic generator 81 and an adsorption plate 82. The adsorption plate 82 is attached to the surface of the yarn guide plate 4, and the electrostatic generator 81 is located below the yarn guide plate 4. The electrostatic adsorption component 8 adsorbs the lint discharged between the yarn outlet 7 and the yarn cleaning nozzle 6. When the electrostatic generator 81 is energized, it causes the adsorption plate 82 to generate static electricity, which is used to adsorb excess lint, thus collecting it. Users only need to clean the adsorption plate 82 periodically. This effectively avoids the vibration generated when the fan adsorbs lint, which can easily lead to yarn displacement and loosening.

[0048] The chip discharge hole 13 is inclined on both sides and is located on the front side of the mounting base 2. The inclined sidewalls guide the chips, and when the chip discharge hole 13 is located on the front side of the mounting base 2, the chips can fall smoothly and be collected separately without getting stuck in the mounting base 2.

[0049] Reference Figure 2 , Figure 2 This is a schematic diagram showing the specific structure of the yarn clearing bracket and yarn clearing limiting rod in some embodiments of this utility model.

[0050] According to some embodiments of this utility model, optionally, the yarn clearing bracket 3 includes a fixed arm 31 and a central rod 32. The fixed arms 31 are respectively fixed to the left and right sides of the yarn guide plate 1 and correspond to the positions of the chip outlet 13. The central rod 32 is connected between the two fixed arms 31. The central rod 32 has two guide grooves 33 on its front and rear sides. The guide grooves 33 have an L-shaped cross-section and both ends are connected to the outside. The fixed arms 31 cooperate with the central rod 32 to support the yarn clearing limiting rod 5. The L-shaped guide grooves 33 on the central rod 32 are used to cooperate with the adjusting end 51 to limit the movement path of the yarn clearing limiting rod 5.

[0051] The yarn clearing limiting rod 5 includes an adjusting end 51, an inclined arm 52, and a limiting plate 53. The adjusting end 51 is engaged within the guide groove 33 and slides along the guide groove 33. One end of the inclined arm 52 is connected to the adjusting end 51, and the other end of the inclined arm 52 is connected to the limiting plate 53. The lint outlet 13 is located below the two limiting plates 53. The adjusting end 51 is adapted to the structure of the L-shaped guide groove 33. By moving the adjusting end 51, the user can correspondingly move the entire yarn clearing limiting rod 5. The inclined arm 52 is used to adjust the position of the limiting plate 53, so that the knitted yarns are taut, which is beneficial to the subsequent yarn clearing process. The cleaned lint falls into the lint outlet 13 below.

[0052] The yarn clearing limiting rod 5 also includes a guide roller 54. Fixing hooks 55 extend from both sides of the limiting plate 53, and the two fixing hooks 55 are arranged opposite each other to form a movable groove 56. The movable groove 56 has an opening and communicates with the outside. The guide roller 54 is rotatably mounted inside the fixing hooks 55, and the rotation axis of the guide roller 54 is perpendicular to the installation direction of the yarn guide plate 1. The guide roller 54 allows the taut knitting yarn to move smoothly, and the fixing hooks 55 are used to fix the position of the guide roller 54. The gap and opening between the fixing hooks 55 and the guide roller 54 can be used to quickly insert the yarn.

[0053] The inclined arm 52 of the yarn clearing limiting rod 5 located on the front side is inclined downward, while the inclined arm 52 of the yarn clearing limiting rod 5 located on the rear side is inclined upward. The yarn clearing limiting rods 5 located on the front and rear sides perform repeated yarn clearing actions. Guided by multiple guide rollers 54, the yarn is tightened while adjusting the height difference between the yarns, so that the yarn can be smoothly guided from the lower yarn feeding hole 11 to the higher yarn exit hole 7.

[0054] A triangular yarn clearing nozzle 6 is provided on the front side of the limiting plate 53. The end of the yarn clearing nozzle 6 is located above the guide roller 54 and is spaced apart. The gap between the triangular yarn clearing nozzle 6 and the guide roller 54 is used to accommodate knitting yarn. During the continuous yarn feeding process, in conjunction with the speed, the front end of the yarn clearing nozzle 6 removes lint and debris, thus achieving the function of yarn clearing.

[0055] It should be understood that the embodiments disclosed herein are not limited to the specific processing steps or materials disclosed herein, but should be extended to equivalent substitutions of such features as understood by those skilled in the art. It should also be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

[0056] The term "embodiment" in this specification refers to a specific feature or characteristic described in connection with an embodiment that is included in at least one embodiment of the present invention. Therefore, phrases or "embodiments" appearing in various places throughout the specification do not necessarily refer to the same embodiment.

[0057] Furthermore, the described features or characteristics may be incorporated into one or more embodiments in any other suitable manner. In the above description, specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented without the aforementioned one or more specific details or may be implemented using other methods, components, materials, etc.

Claims

1. A weft knitting mechanism for a knitted fabric, characterized in that, include The yarn feeder has an upturned front end and is equipped with a yarn feeding hole. The mounting base has its bottom side connected to the weft knitting machine, while its surface side is slidably connected to the yarn feeder. A yarn clearing support is mounted above and connected to the yarn guide plate; A yarn guide plate is positioned above the yarn guide plate; The yarn guide plate has an installation groove at its end and a fixing bolt at its front end. The fixing bolt passes through the installation groove and connects to the mounting base. The yarn guide plate is located between the mounting base and the yarn guide plate. The yarn guide plate and the yarn guide plate are staggered. The yarn guide plate extends forward and the yarn guide plate extends backward. The front end of the yarn guide plate also has a chip removal hole. The yarn clearing bracket is positioned corresponding to the chip removal hole. Yarn clearing limit rods extend outward from both the front and rear sides of the yarn clearing bracket.

2. The weft knitting mechanism of the knitted fabric according to claim 1, characterized in that, The yarn clearing bracket includes fixed arms and a central rod. The fixed arms are fixed to the left and right sides of the yarn guide sheet and correspond to the position of the chip outlet. The central rod is connected between the two fixed arms. The central rod has two guide grooves on its front and rear sides. The guide grooves have an L-shaped cross section and both ends are connected to the outside.

3. The weft knitting mechanism of the knitted fabric according to claim 2, characterized in that, The yarn clearing limiting rod includes an adjusting end, an inclined arm, and a limiting plate. The adjusting end is engaged in the guide groove and slides along the guide groove. One end of the inclined arm is connected to the adjusting end, and the other end of the inclined arm is connected to the limiting plate. The chip outlet is located below the two limiting plates.

4. The weft knitting mechanism of the knitted fabric according to claim 3, characterized in that, The yarn clearing limiting rod also includes a guide roller. Fixed hooks are extended on both sides of the limiting plate. The two fixed hooks are arranged opposite each other to form a movable groove. The movable groove has an opening and communicates with the outside. The guide roller is rotatably arranged inside the fixed hook. The rotation axis of the guide roller is perpendicular to the installation direction of the yarn guide plate.

5. The weft knitting mechanism of the knitted fabric according to claim 3, characterized in that, The tilting arm of the yarn clearing limiting rod located on the front side is tilted downward, while the tilting arm of the yarn clearing limiting rod located on the rear side is tilted upward.

6. The weft knitting mechanism of the knitted fabric according to claim 4, characterized in that, The front side of the limiting plate is provided with a triangular yarn clearing nozzle, the end of which is located above the guide roller and is spaced apart.

7. The weft knitting mechanism of the knitted fabric according to claim 6, characterized in that, The yarn guide plate is L-shaped with its vertical end facing the rear of the mounting base. A yarn outlet hole is provided on the vertical end of the yarn guide plate, and a yarn clearing nozzle is also provided above the yarn outlet hole.

8. The weft knitting mechanism of the knitted fabric according to claim 1, characterized in that, An electrostatic adsorption component is provided below the yarn guide plate. The electrostatic adsorption component includes an electrostatic generator and an adsorption plate. The adsorption plate is attached to the surface of the yarn guide plate, and the electrostatic generator is located below the yarn guide plate.

9. The weft knitting mechanism of the knitted fabric according to claim 1, characterized in that, The chip discharge hole is inclined on both sides and is located on the front side of the mounting base.

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