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CN-224227363-U - Weft yarn pressing and cutting mechanism of jacquard weft knitting machine

CN224227363UCN 224227363 UCN224227363 UCN 224227363UCN-224227363-U

Abstract

The utility model relates to the technical field of weft yarn compaction cutting, and discloses a weft yarn compaction cutting mechanism of a jacquard weft knitting machine, which comprises a main body, a top frame, a cutting frame and a cutting frame, wherein guide frames are fixedly arranged at two ends of the main body, joints are embedded in the outer surfaces of the guide frames, a plurality of through grooves are formed in the main body, the top frame is fixedly arranged on the outer surface of the top end of the main body, a compression bar assembly is arranged in the top frame and is used for compacting yarns, the cutting frame is fixedly arranged on the outer surface of one side of the guide frames, and a plurality of through holes are formed in the outer surface of the cutting frame. Through setting up the guide frame at main part both ends, the joint of embedding in the guide frame is convenient for the yarn to lead to carry, from top to bottom through electro-magnet control depression bar, presses fixedly through the depression bar to the yarn when tailorring, and the yarn of avoiding jumps at the in-process of tailorring, tailors the back, upwards lifts up the depression bar, loosens the yarn, is convenient for continue the pulling to the yarn and carries.

Inventors

  • LI YANFANG
  • Ding Lehong

Assignees

  • 杭州恬悦布艺有限公司

Dates

Publication Date
20260512
Application Date
20250616

Claims (6)

  1. 1. Weft yarn pressing and cutting mechanism of jacquard weft knitting machine is characterized by comprising: The device comprises a main body (1), wherein guide frames (11) are fixedly arranged at two ends of the main body (1), joints (12) are embedded in the outer surfaces of the guide frames (11), and a plurality of through grooves (14) are formed in the main body (1); The top frame (2) is fixedly arranged on the outer surface of the top end of the main body (1), a compression bar assembly is arranged in the top frame (2), and yarns are compressed through the compression bar assembly; The cutting frame (3) is fixedly arranged on the outer surface of one side of the guide frame (11), and a plurality of through holes are formed in the outer surface of the cutting frame (3).
  2. 2. The weft yarn pressing and cutting mechanism of the jacquard weft knitting machine according to claim 1, wherein the two sides of the bottom end of the main body (1) are fixedly provided with a bottom frame (13), and two ends of the outer surface of the bottom frame (13) are provided with mounting holes.
  3. 3. The weft yarn pressing and cutting mechanism of the jacquard weft knitting machine according to claim 1, wherein the pressing rod assembly comprises an inner plate (21) arranged in the top frame (2), a plurality of pressing rods (22) are fixedly arranged at the bottom end of the inner plate (21), and the bottom ends of the pressing rods (22) are inserted into the through grooves (14).
  4. 4. The weft yarn pressing and cutting mechanism of the jacquard weft knitting machine according to claim 3, wherein an electromagnet (23) is fixedly arranged at the top end of the inner wall of the top frame (2), guide rods (24) are fixedly arranged at two ends of the inner part of the top frame (2), two ends of the inner plate (21) are sleeved on the outer surface of the guide rods (24), and a reset spring (25) is sleeved on the outer surface of the guide rods (24) above the inner plate (21).
  5. 5. The weft pressing and cutting mechanism of the jacquard weft knitting machine according to claim 1, wherein a blade (31) is arranged in the cutting frame (3), a circular cutting hole (32) is formed in the outer surface of the blade (31), and the position of the circular cutting hole (32) corresponds to that of a through hole.
  6. 6. The weft yarn pressing and cutting mechanism of the jacquard weft knitting machine according to claim 5, wherein an air cylinder (34) is fixedly arranged at the top end of the cutting frame (3), a connecting plate (33) is fixedly arranged on the outer surface of one side of the top end of the blade (31), and one end of an output shaft of the air cylinder (34) is fixedly connected with the connecting plate (33).

Description

Weft yarn pressing and cutting mechanism of jacquard weft knitting machine Technical Field The utility model relates to the technical field of weft yarn compaction cutting, in particular to a weft yarn compaction cutting mechanism of a jacquard weft knitting machine. Background Weft pressing and cutting mechanism of jacquard weft knitting machine is a key link in weft knitting production, and is mainly used for controlling supply and cutting of weft in the knitting process, and ensuring accuracy and continuity of fabric forming. For example, in a warp knitting machine with a weft yarn cutting mechanism disclosed in chinese patent CN211734658U, a cutting assembly is installed at the bottom end inside a protective cover, two push rod ends of an electric push rod are respectively installed at two ends of a mounting frame, two movable rods are uniformly and movably installed at two ends of the mounting frame, a first spring is movably sleeved in the middle of a connecting rod, a pressing rod groove is formed in the middle of the side surface of the movable rod, second springs are uniformly distributed on the side surface of the pressing rod inside the pressing rod groove, a guiding tensioning assembly is installed at the top end of the protective cover, a wire feeding roller is installed at one side of the side surface of the top end of the protective cover, air cylinders are fixedly installed at two ends of the top surface of the protective cover, and a tensioning roller is installed inside a roller frame. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a weft yarn pressing and cutting mechanism of a jacquard weft knitting machine, which has the advantages of avoiding winding and the like and solves the winding problem of the traditional cut yarn. (II) technical scheme In order to achieve the purpose of avoiding the winding, the utility model provides the following technical scheme that the weft yarn pressing and cutting mechanism of the jacquard weft knitting machine comprises the following components: The guide frames are fixedly arranged at two ends of the main body, joints are embedded in the outer surfaces of the guide frames, and a plurality of through grooves are formed in the main body; the top frame is fixedly arranged on the outer surface of the top end of the main body, a compression bar assembly is arranged in the top frame, and yarns are compressed through the compression bar assembly; The cutting frame is fixedly arranged on the outer surface of one side of the guide frame, and a plurality of through holes are formed in the outer surface of the cutting frame. Preferably, the bottom both sides fixed mounting of main part have the chassis, the mounting hole has been seted up at the surface both ends of chassis, and it is fixed to install through passing fixing bolt from the mounting hole of chassis. Preferably, the pressure bar assembly comprises an inner plate arranged inside the top frame, a plurality of pressure bars are fixedly arranged at the bottom end of the inner plate, the bottom ends of the pressure bars are inserted into the through grooves, the electromagnet is closed, the inner plate is pushed downwards along the guide rods through the reset spring, and the bottom ends of the pressure bars at the bottom ends of the inner walls are used for pressing and fixing yarns in the through grooves. Preferably, the inner wall top end of roof-rack fixed mounting has the electro-magnet, the inside both ends fixed mounting of roof-rack has the guide arm, and the both ends cover of inner panel is established at the surface of guide arm, the surface of guide arm is located the top cover of inner panel and is equipped with reset spring, starts the electro-magnet and upwards lifts up the depression bar, loosens the yarn, is convenient for continue the pulling to carry to the yarn. Preferably, a blade is arranged in the cutting frame, a circular cutting hole is formed in the outer surface of the blade, and a through hole is formed in the position of the circular cutting hole. Preferably, the top fixed mounting who tailors the frame has the cylinder, top one side surface fixed mounting of blade has the connecting plate, and the output shaft one end and the connecting plate fixed connection of cylinder start tailors the frame up cylinder, will drive the blade and slide in tailorring the frame through the cylinder, cut the hole through tailorring the circle on the frame and tailor the yarn of through-hole department. (III) beneficial effects Compared with the prior art, the utility model provides a weft yarn pressing and cutting mechanism of a jacquard weft knitting machine, which has the following beneficial effects: Through setting up the guide frame at main part both ends, the joint of embedding in the guide frame is convenient for the yarn to lead to carry, from top to bottom through electro-magnet control depression bar