阅读说明：本技术 一种可升降的智跑式喂纱机构 (Liftable intelligent running type yarn feeding mechanism ) 是由 孙平范 徐卫东 李立军 胡跃勇 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种可升降的智跑式喂纱机构,包括导轨、下压组件和纱嘴组件,下压组件和纱嘴组件活动安装在导轨两侧,由传送带独立驱动,可沿导轨移动；所述下压组件包括移动座,移动座上设有一支杆,支杆端部安装有下压三角；所述纱嘴组件包括纱嘴座、固定纱嘴杆、升降杆和活动纱嘴杆,固定纱嘴杆安装在纱嘴座上,固定纱嘴杆后方设有一滑槽,升降杆置于滑槽内,并可沿滑槽上下移动,升降杆下端与活动纱嘴杆固定连接,活动纱嘴杆底部设有纱嘴；所述升降杆顶部设有一滚轮,下压三角可下压滚轮,升降杆随之向下移动。本发明设置了可升降的纱嘴,且纱嘴可独立移动,解决了在进行复杂花型编织时,纱嘴移动调节困难的问题。(The invention discloses a liftable running type yarn feeding mechanism, which comprises a guide rail, a pressing component and a yarn nozzle component, wherein the pressing component and the yarn nozzle component are movably arranged on two sides of the guide rail, are independently driven by a conveyor belt and can move along the guide rail; the pressing assembly comprises a moving seat, a supporting rod is arranged on the moving seat, and a pressing triangle is arranged at the end part of the supporting rod; the yarn nozzle component comprises a yarn nozzle seat, a fixed yarn nozzle rod, a lifting rod and a movable yarn nozzle rod, the fixed yarn nozzle rod is installed on the yarn nozzle seat, a sliding groove is formed in the rear of the fixed yarn nozzle rod, the lifting rod is arranged in the sliding groove and can move up and down along the sliding groove, the lower end of the lifting rod is fixedly connected with the movable yarn nozzle rod, and a yarn nozzle is arranged at the bottom of the movable yarn nozzle rod; the top of the lifting rod is provided with a roller, the roller can be pressed down by the pressing triangle, and the lifting rod moves downwards along with the roller. The yarn feeder is provided with the yarn feeder capable of lifting, and the yarn feeder can move independently, so that the problem that the movement and the adjustment of the yarn feeder are difficult when complex pattern weaving is carried out is solved.)

1. The utility model provides a liftable running formula yarn feeding mechanism which characterized in that: the yarn feeder comprises a guide rail, a pressing assembly and a yarn nozzle assembly, wherein the pressing assembly and the yarn nozzle assembly are movably arranged on two sides of the guide rail, are independently driven by a conveyor belt and can move along the guide rail; the pressing assembly comprises a moving seat, a supporting rod is arranged on the moving seat and bent towards the other side of the guide rail, and a pressing triangle is arranged at the end part of the supporting rod; the yarn nozzle component comprises a yarn nozzle seat, a fixed yarn nozzle rod, a lifting rod and a movable yarn nozzle rod, the fixed yarn nozzle rod is installed on the yarn nozzle seat, a sliding groove is formed in the rear of the fixed yarn nozzle rod, the lifting rod is arranged in the sliding groove and can move up and down along the sliding groove, a reset mechanism is arranged on the lifting rod, the lower end of the lifting rod is fixedly connected with the movable yarn nozzle rod, and a yarn nozzle is arranged at the bottom of the movable yarn nozzle rod; the top of the lifting rod is provided with a roller, the roller can be pressed down by the pressing triangle, and the lifting rod moves downwards along with the roller.

2. The liftable jog feed mechanism as recited in claim 1, wherein: in the moving process of the moving seat and the yarn nozzle seat along the guide rail, a pressing triangle is in contact with the roller, the pressing triangle is of an inverted trapezoidal structure, the roller at the top of the lifting rod moves along an inclined downward outline of the pressing triangle, and the lifting rod drives the movable yarn nozzle rod to move downward.

3. The liftable jog feed mechanism as recited in claim 1, wherein: the yarn feeder is characterized in that pulleys are arranged on the movable seat and the yarn nozzle seat and are respectively movably mounted on two sides of the guide rail, the conveyor belts are arranged in the guide rail, the movable seat and the yarn nozzle seat are respectively fixed on the conveyor belts on the two sides, the side face of the guide rail is provided with a conveying motor connected with the conveyor belts, and the movable seat and the yarn nozzle seat are driven by independent conveying motors.

4. The liftable jog feed mechanism as recited in claim 1, wherein: the reset mechanism comprises a reset spring, the lifting rod is provided with a long groove hole, the fixed yarn nozzle rod is provided with a positioning screw, the reset spring is arranged in the long groove hole, one end of the reset spring is abutted against the lifting rod, and the other end of the reset spring is abutted against the positioning screw.

5. The liftable jog feed mechanism as recited in claim 1, wherein: the yarn threading device is characterized in that a yarn threading hole is formed below the movable yarn nozzle rod, the yarn pressing block protruding towards one side of the movable yarn nozzle rod is fixed on the yarn nozzle rod, and the lifting rod drives the movable yarn nozzle rod to move up and down, so that two states that the yarn threading hole is tightly attached to the yarn pressing block or the yarn threading hole is located below the yarn pressing block exist.

Technical Field

The invention belongs to the technical field of knitting machinery, and particularly relates to a liftable running type yarn feeding mechanism.

Background

A guide rail which is distributed horizontally or in an arc shape is arranged on a frame of the flat knitting machine, yarn nozzles are arranged on the guide rail, a driving motor is arranged on one side or two sides of the guide rail, and the driving motor is in driving connection with the yarn nozzles and enables the yarn nozzles to move on the guide rail in a reciprocating mode. In the weaving process, each yarn nozzle is controlled by an independent motor, so that the yarn nozzles can automatically run and move, the dependence on the movement of a machine head is avoided, and the control accuracy is improved.

However, when weaving some complicated patterns, the adjustment of the yarn nozzle is difficult and time is not available. The flat knitting machine is provided with the plurality of guide rails, and when yarn mouths on the guide rails move to the same position, interference phenomena can occur between the yarn mouths and the yarn mouths, so that normal knitting work is influenced.

Disclosure of Invention

The invention aims to provide an intelligent running type yarn feeding mechanism which is convenient to mount and dismount and high in weaving efficiency, and a yarn nozzle can be adjusted in a lifting mode.

Therefore, the technical scheme of the invention is as follows: a liftable running type yarn feeding mechanism comprises a guide rail, a pressing component and a yarn nozzle component, wherein the pressing component and the yarn nozzle component are movably arranged on two sides of the guide rail, are independently driven by a conveyor belt and can move along the guide rail; the pressing assembly comprises a moving seat, a supporting rod is arranged on the moving seat and bent towards the other side of the guide rail, and a pressing triangle is arranged at the end part of the supporting rod; the yarn nozzle component comprises a yarn nozzle seat, a fixed yarn nozzle rod, a lifting rod and a movable yarn nozzle rod, the fixed yarn nozzle rod is installed on the yarn nozzle seat, a sliding groove is formed in the rear of the fixed yarn nozzle rod, the lifting rod is arranged in the sliding groove and can move up and down along the sliding groove, a reset mechanism is arranged on the lifting rod, the lower end of the lifting rod is fixedly connected with the movable yarn nozzle rod, and a yarn nozzle is arranged at the bottom of the movable yarn nozzle rod; the top of the lifting rod is provided with a roller, the roller can be pressed down by the pressing triangle, and the lifting rod moves downwards along with the roller.

Preferably, in the moving process of the moving seat and the yarn nozzle seat along the guide rail, a pressing triangle is in contact with the roller, the pressing triangle is of an inverted trapezoidal structure, the roller at the top of the lifting rod moves along an outer contour inclined downwards along the pressing triangle, and the lifting rod drives the movable yarn nozzle rod to move downwards.

Preferably, the movable seat and the yarn nozzle seat are respectively provided with a pulley, the pulleys are respectively movably mounted on two sides of the guide rail, the conveyor belts are arranged in the guide rail, the movable seat and the yarn nozzle seat are respectively fixed on the conveyor belts on the two sides, the side face of the guide rail is provided with a conveying motor connected with the conveyor belts, and the movable seat and the yarn nozzle seat are driven by independent conveying motors.

Preferably, the reset mechanism comprises a reset spring, the lifting rod is provided with a slotted hole, the fixed yarn nozzle rod is provided with a positioning screw, the reset spring is arranged in the slotted hole, one end of the reset spring abuts against the lifting rod, and the other end of the reset spring abuts against the positioning screw.

Preferably, a yarn passing hole is formed below the movable yarn nozzle rod, the yarn pressing block protrudes towards one side of the movable yarn nozzle rod from the fixed yarn nozzle rod, and the lifting rod drives the movable yarn nozzle rod to move up and down, so that the yarn passing hole is tightly attached to the yarn pressing block or the yarn passing hole is located under the yarn pressing block.

The pressing component and the yarn nozzle component are driven by independent transmission motors and can respectively move on two sides of the guide rail; when the downward pressing triangle moves to the yarn nozzle assembly, the roller is pressed downward at three angles, the lifting rod slides downward along the sliding groove to compress the reset spring, the movable yarn nozzle rod and the yarn nozzle are conveyed to the yarn feeding point, after yarn feeding is completed, the downward pressing triangle is separated from the roller, and the movable yarn nozzle rod and the yarn nozzle move upward under the action of the spring force to be separated from the yarn feeding point.

The movable yarn nozzle rod is provided with a yarn through hole, one side of the fixed yarn nozzle rod, which faces the movable yarn nozzle rod, is provided with a protruding yarn pressing block, when the movable yarn nozzle rod descends to a yarn feeding point, the yarn through hole is positioned below the yarn pressing block, yarns can pass through the yarn through hole, and the yarns can smoothly pass through the yarn through hole during yarn feeding; when the movable yarn mouth rod rises back to be separated from a yarn feeding point, the yarn penetrating hole is tightly attached to the yarn pressing block, and the yarn penetrating hole is blocked by the yarn pressing block to lock yarn smoothly.

The yarn feeder is provided with the yarn feeder which can be lifted and can move independently, so that the problem that the movement and the adjustment of the yarn feeder are difficult when complex pattern weaving is carried out is solved; the yarn feeder is matched with the pressing triangle to realize the lifting of the yarn feeder, when yarn is required to be fed, the yarn feeder descends, when the yarn is not fed, the yarn feeder is withdrawn, the position of the yarn feeder is not required to be moved, and the interference among a plurality of yarn feeders at the same position can be effectively avoided.

Drawings

The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention

FIG. 1 and FIG. 2 are schematic structural views of the present invention;

fig. 3 is a schematic structural view of a yarn feeder assembly;

fig. 4 is an exploded view of the components of the yarn nozzle assembly;

fig. 5 is a back structural view of the fixed yarn nozzle rod.

Labeled as: the yarn feeding device comprises a guide rail 1, a conveyor belt 2, a moving seat 3, a support rod 4, a downward pressing triangle 5, a yarn nozzle seat 6, a fixed yarn nozzle rod 7, a lifting rod 8, a movable yarn nozzle rod 9, a cover plate 10, a sliding groove 11, a roller 12, a yarn nozzle 13, a positioning screw 14, a return spring 15, a yarn pressing block 16, a yarn threading hole 17, yarn 19, a fastening strip 20, a fastening block 21, a groove 22, a fastening screw 23, a porcelain eye 24, a pulley 25 and a slotted hole 26.

Detailed Description

See the drawings. This embodiment yarn mechanism is given to formula of running intelligence, including many guide rails 1, two sides of every guide rail all are equipped with conveyer belt 2, the guide rail tip is equipped with a plurality of independent conveying motor, a conveyer belt is connected to a conveying motor. The two sides of the guide rail are respectively provided with a pressing component and a yarn nozzle component which are independently driven by the conveyor belt and can move along the guide rail.

The pressing assembly comprises a moving seat 3, a pulley is arranged on the moving seat, the moving seat is fixed on the conveying belt, and the pulley can move along the guide rail; a supporting rod 4 is arranged on the movable seat 3, the supporting rod extends upwards and bends towards the other side of the guide rail, a pressing triangle 5 is arranged at the bent end part, and the pressing triangle is of an inverted trapezoidal structure.

The yarn nozzle component comprises a yarn nozzle seat 6, a fixed yarn nozzle rod 7, a lifting rod 8 and a movable yarn nozzle rod 9, wherein a pulley 25 is arranged on the yarn nozzle seat 6, the yarn nozzle seat is fixed on the conveyor belt 2, and the pulley can move along the guide rail 1; a cover plate 10 is arranged behind the fixed yarn nozzle rod 7, the fixed yarn nozzle rod 7 and the cover plate 10 are fixed into a whole and are arranged on the yarn nozzle seat 6, and a sliding groove 11 is formed between the fixed yarn nozzle rod and the cover plate; the lifting rod 8 is arranged in the sliding groove 11 and can move up and down along the sliding groove, the upper end of the lifting rod 8 is provided with a roller 12, the lower end of the lifting rod 8 is fixedly connected with the movable yarn mouth rod 9, and the bottom of the movable yarn mouth rod 9 is provided with a yarn mouth 13; the lifting rod 8 is provided with a long groove hole 26, the cover plate 10 is provided with a through hole, a positioning screw 14 is arranged at the through hole, the return spring 15 is arranged in the long groove hole 26 of the lifting rod, one end of the return spring is abutted against the lifting rod 8, the other end of the return spring is abutted against the positioning screw 14, and the return spring 15 is compressed when the lifting rod 8 moves downwards. In the process that the movable seat 3 and the yarn mouth seat 6 move along the guide rail, after the downward pressing triangle 5 meets the roller 12, the roller can move along the downward outline of the downward inclination of the downward pressing triangle, so that the lifting rod drives the movable yarn mouth rod to move downwards to a yarn feeding point.

Porcelain eyes 24 are arranged on two sides of the fixed yarn nozzle rod 7, a protruding yarn pressing block 16 is arranged on one side, facing the movable yarn nozzle rod, below the fixed yarn nozzle rod 7, a yarn penetrating hole 17 is arranged below the movable yarn nozzle rod 9, yarns 19 penetrate through the yarn penetrating hole, when the lifting rod moves downwards and the yarn nozzle is located at a yarn feeding point, the yarn penetrating hole 17 is located below the yarn pressing block 16, the yarn pressing block 16 cannot act on the yarns, and the yarns can smoothly penetrate through the yarns; after the lifting rod moves upwards and resets, the movable yarn nozzle rod rises back to be separated from a yarn feeding point, the yarn penetrating hole is tightly attached to the yarn pressing block, and the yarn pressing block 16 blocks the yarn penetrating hole 17 to lock yarn.

The yarn feeder assembly of the present embodiment is mainly for realizing the lifting function, but may be a normal yarn feeder without lifting. The side surface of the cover plate 10 is provided with a fastening strip 20 extending upwards, the side surface of the lifting rod is provided with a fastening block 21, the fastening block is provided with a groove 22, the fastening strip is inserted into the groove, the outer side of the fastening block is provided with a fastening screw 23, the yarn nozzle is fixed at a required height according to weaving requirements, then the fastening screw is locked, and the lifting rod and the cover plate are fixed together to be used as a common yarn nozzle.

When the yarn feeder is used, the pressing component and the yarn nozzle component are driven by independent transmission motors and can respectively move on two sides of the guide rail; when the pressing triangle 5 moves to the yarn feeder component, the roller 12 is pressed downwards by the pressing triangle 5, the lifting rod 8 slides downwards along the sliding groove, the return spring 15 is compressed, the movable yarn feeder rod and the yarn feeder are conveyed to a yarn feeding point, the yarn passing hole 17 is positioned below the yarn pressing block 16, the yarn pressing block 16 cannot act on the yarn, and the yarn can pass smoothly; after the yarn feeding is finished, the pressing triangle 5 is separated from the roller 12, the movable yarn nozzle rod and the yarn nozzle move upwards under the action of the spring force and are separated from the yarn feeding point, and the yarn pressing block is tightly attached to the yarn penetrating hole to block the yarn penetrating hole 17, so that the yarn is locked.