CN220266011U - Yarn feeding nozzle structure of computerized flat knitting machine - Google Patents

Abstract

The utility model provides a yarn feeding nozzle structure of a computerized flat knitting machine, which relates to the field of computerized flat knitting machines and comprises the following components: yarn mouth main part, wire subassembly, yarn feeding hole and drive assembly, yarn feeding hole is offered in the lower extreme of yarn mouth main part, and yarn feeding hole and yarn mouth main part structure as an organic whole, wire subassembly locates the front and back both sides of yarn mouth main part, and wire subassembly includes locating shaft, spring, horizontal pole and wire section of thick bamboo to horizontal pole both ends sliding connection is in the locating shaft outside, and the wire section of thick bamboo is fixed at the horizontal pole middle part, drive assembly includes microcylinder, arch frame, guide pillar, installation arm and linking arm, and microcylinder is fixed in arch frame upper end, and arch frame is fixed in installation arm upper end to microcylinder piston rod lower extreme is connected with yarn mouth main part upper end. The utility model solves the problems that excessive friction and fuzzing of yarn are easily caused by a yarn feeding nozzle of a computerized flat knitting machine in the prior art, tension change is inapplicable, and unbalance of yarn feeding movement is easily caused by long-term operation.

Description

Yarn feeding nozzle structure of computerized flat knitting machine

Technical Field

The utility model relates to the technical field of computerized flat knitting machines, in particular to a yarn feeding nozzle structure of a computerized flat knitting machine.

Background

The utility model discloses a yarn feeding nozzle of a textile computerized flat knitting machine, which is one of important parts on a computerized flat knitting machine, is various in types, is most common in single-hole yarn nozzles at present, and is also provided with double-hole yarn nozzles, but basically consists of a fixed rod body and a yarn nozzle main body, wherein a yarn feeding hole is formed in the yarn nozzle main body, and through searching, the prior art (application number: CN 202121827272.0) describes a yarn feeding nozzle of the textile computerized flat knitting machine. "

However, the yarn feeding nozzle in the prior art is more convenient for yarn feeding and yarn changing, but has some defects; the front yarn feeding hole and the rear yarn feeding hole are formed in the bottom end of the yarn feeding nozzle, after the yarn passes through the yarn feeding hole, the yarn on the upper side of the yarn feeding nozzle is in sliding friction with the surface of the yarn feeding nozzle main body in the reciprocating movement process of the yarn feeding nozzle, so that the yarn is easy to fuzzing, and if the yarn tension is changed temporarily, the yarn cannot be adapted, and the yarn is easy to break; secondly, realize the direction removal of yarn mouth main part through spacing and guide rail, and miniature cylinder is located one side of yarn mouth main part, and cylinder driven linking arm also is located one side of yarn mouth main part, and then leads to yarn mouth main part both sides atress different, has the friction of side direction torsion on spacing surface, leads to spacing wearing and tearing for a long time, and then leads to the motion unbalance of yarn mouth main part.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the yarn feeding nozzle structure of the computerized flat knitting machine is provided, so that the problems that excessive friction fuzzing of yarns is easily caused by the yarn feeding nozzle of the computerized flat knitting machine in the prior art, tension change is inapplicable, and unbalance in yarn feeding movement is easily caused by long-term operation are solved.

In order to achieve the above object, a yarn feeding nozzle structure of a computerized flat knitting machine is provided, comprising: yarn mouth main part, wire subassembly, yarn feeding hole and drive assembly, yarn feeding hole is offered in the lower extreme of yarn mouth main part, and yarn feeding hole and yarn mouth main part structure as an organic whole, wire subassembly locates the front and back both sides of yarn mouth main part, and wire subassembly includes locating shaft, spring, horizontal pole and wire section of thick bamboo to horizontal pole both ends sliding connection is in the locating shaft outside, and the wire section of thick bamboo is fixed at the horizontal pole middle part, drive assembly includes microcylinder, arch frame, guide pillar, installation arm and linking arm, and microcylinder is fixed in arch frame upper end, and arch frame is fixed in installation arm upper end to microcylinder piston rod lower extreme is connected with yarn mouth main part upper end.

Further, the positioning shaft is fixed inside the yarn nozzle main body, the spring is sleeved on the front and rear parts of the positioning shaft, which exceed the yarn nozzle main body, and the front and rear ends of the positioning shaft are provided with stop blocks.

Further, the sliding holes are formed in the two ends of the cross rod, the positioning shafts are inserted into the sliding holes, and the end portions of the cross rod are located between the stop blocks and the springs.

Further, the wire guide cylinder comprises an upper conical cylinder, a cylindrical cylinder and a lower conical cylinder, the cylindrical cylinder is connected between the upper conical cylinder and the lower conical cylinder, and wire holes are formed in the upper conical cylinder and the lower conical cylinder.

Furthermore, the inside of yarn mouth main part has seted up the guiding hole, and the installation arm horizontal symmetry peg graft in the guiding hole to arch frame lower extreme is striden in yarn mouth main part both sides and installation arm fixed connection.

Further, a limiting block is arranged at the upper end of the guide post, the guide post slides through the mounting arm, and the lower end of the guide post is fixed on the upper end face of the connecting arm.

Furthermore, the connecting arms are symmetrically welded on two sides of the yarn nozzle main body, the connecting arms are positioned on the lower sides of the mounting arms, and the connecting arms are parallel to the mounting arms.

The yarn feeding device has the advantages that the yarn feeding device is convenient to pass through the yarn guiding tube by utilizing the positioning shaft, the cross rod and the wire guiding tube which are included by the wire guiding assembly, and the upper conical tube, the wire hole, the cylindrical tube and the lower conical tube which are included by the wire guiding tube, wherein the space exists between the wire guiding tube and the surface of the yarn nozzle main body, so that friction fuzzing caused by direct contact with the yarn nozzle main body is avoided, the friction contact area between the inside of the wire guiding tube and the yarn is small, the fuzzing probability is reduced, and meanwhile, the cross rod has a movable buffering effect when tension changes through the arranged spring and the stop block, so that the wire guiding tube has a buffering effect on the yarn, and the yarn breakage probability is reduced; utilize arch frame, guide pillar, installation arm and the linking arm that drive assembly includes for all structures are the symmetry and set up, and then make the drive process of microcylinder comparatively stable, do not have side direction torsion friction, and then guarantee the work equilibrium of yarn mouth main part.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a driving assembly according to an embodiment of the utility model.

Fig. 3 is a schematic top view of a wire assembly according to an embodiment of the utility model.

Fig. 4 is a schematic diagram of a connection structure of a wire guide tube according to an embodiment of the utility model.

In the figure: 1. a yarn nozzle body; 11. a guide hole; 2. a wire assembly; 21. positioning a shaft; 22. a stop block; 23. a spring; 24. a cross bar; 241. a slide hole; 25. a wire guide tube; 251. an upper cone; 252. a wire hole; 253. a cylindrical barrel; 254. a lower cone; 3. yarn feeding holes; 4. a drive assembly; 41. a micro cylinder; 42. an arch frame; 43. a limiting block; 44. a guide post; 45. a mounting arm; 46. and a connecting arm.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a yarn feeding nozzle structure of a computerized flat knitting machine, comprising: yarn nozzle body 1, wire subassembly 2, yarn delivery hole 3 and drive assembly 4.

Specifically, yarn feeding hole 3 is offered in yarn mouth main part 1's lower extreme, and yarn feeding hole 3 and yarn mouth main part 1 are integrated into one piece structure, wire subassembly 2 locates yarn mouth main part 1's front and back both sides, and wire subassembly 2 includes locating shaft 21, spring 23, horizontal pole 24 and wire section of thick bamboo 25, and horizontal pole 24 both ends sliding connection is in the locating shaft 21 outside, wire section of thick bamboo 25 is fixed at horizontal pole 24 middle part, drive assembly 4 includes micro cylinder 41, arch frame 42, guide pillar 44, installation arm 45 and linking arm 46, micro cylinder 41 is fixed in arch frame 42 upper end, arch frame 42 is fixed in installation arm 45 upper end, and micro cylinder 41 piston rod lower extreme is connected with yarn mouth main part 1 upper end.

In this embodiment, the yarn feeder main body 1, the wire assembly 2, the yarn feeding hole 3 and the driving assembly 4 form a main body structure of a yarn feeder structure of the computerized flat knitting machine, which is related to the application, and are matched with the computerized flat knitting machine.

In this embodiment, two ends of the mounting arm 45 are fixed on the outer side structure part of the yarn feeding nozzle of the computerized flat knitting machine, so as to fix the arch frame 42.

Specifically, the positioning shaft 21 is fixed inside the yarn nozzle body 1, the spring 23 is sleeved on the part, exceeding the yarn nozzle body 1, of the positioning shaft 21, the front end and the rear end of the positioning shaft 21 are provided with the stop blocks 22, the two ends of the cross rod 24 are provided with the sliding holes 241, the positioning shaft 21 is inserted into the sliding holes 241, the end part of the cross rod 24 is positioned between the stop blocks 22 and the spring 23, the wire guide cylinder 25 comprises an upper conical cylinder 251, a cylindrical cylinder 253 and a lower conical cylinder 254, the cylindrical cylinder 253 is connected between the upper conical cylinder 251 and the lower conical cylinder 254, and the insides of the upper conical cylinder 251 and the lower conical cylinder 254 are provided with the wire holes 252.

In the present embodiment, the thread guide tube 25 is located outside the yarn nozzle body 1 in the top view of the yarn nozzle body 1, and the yarn is led out through the yarn feeding hole 3 to pass through the thread guide tube 25 in an upwardly inclined state.

As a preferred embodiment, the cross bar 24 is driven to make an inward squeezing buffer by providing the cross bar 24 and the spring 23 so that tension variation occurs in the yarn in an inclined state.

It should be noted that the springs 23 may be provided in two, and are respectively mounted on the outer sides of the cross bars 24, so that there is an elastic buffering effect on the inner and outer sides of the cross bars 24.

Specifically, the inside of yarn mouth main part 1 has offered guiding hole 11, and installation arm 45 horizontal symmetry peg graft in guiding hole 11, and arch 42 lower extreme divides strides in yarn mouth main part 1 both sides and installation arm 45 fixed connection, and the guide pillar 44 upper end is equipped with stopper 43, and guide pillar 44 slides and pass installation arm 45, and the guide pillar 44 lower extreme is fixed at the up end of linking arm 46, and linking arm 46 symmetry welding is in yarn mouth main part 1 both sides, and linking arm 46 is located installation arm 45 downside, and linking arm 46 is parallel with installation arm 45.

In this embodiment, when the micro cylinder 41 is driven, the yarn nozzle body 1 slides downward to generate sliding friction with the mounting arm 45, and meanwhile, the connecting arm 46 drives the guide post 44 to slide and rub at two ends of the mounting arm 45, so as to realize stable lifting and reciprocating motion.

When the yarn feeding device is used, yarn coming out from the yarn feeding hole passes through the wire guide cylinder, and the wire guide cylinder is spaced from the surface of the yarn nozzle main body, so that friction fuzzing caused by direct contact with the yarn nozzle main body is avoided, the friction contact area between the interior of the wire guide cylinder and the yarn is small, the fuzzing probability is reduced, and meanwhile, when tension change occurs, the transverse rod has a movable buffering effect through the arranged spring and the stop block, and the wire guide cylinder has a buffering effect on the yarn, so that the yarn breakage probability is reduced; utilize arch frame, guide pillar, installation arm and the linking arm that drive assembly includes for all structures are the symmetry and set up, and then make the drive process of microcylinder comparatively stable, do not have side direction torsion friction, and then guarantee the work equilibrium of yarn mouth main part.

The yarn feeding nozzle structure of the computerized flat knitting machine can effectively solve the problems that excessive friction and fuzzing of yarns are easy to cause, tension change is not applicable, yarn feeding movement is easy to be unbalanced after long-term operation in the yarn feeding nozzle structure of the computerized flat knitting machine in the prior art, friction and fuzzing of yarns are reduced, breakage probability is caused by tension change, and balanced and stable operation state is realized on the basis of the yarn feeding nozzle structure of the traditional computerized flat knitting machine.

Claims (7)

1. A yarn feeding nozzle structure of a computerized flat knitting machine, comprising: yarn mouth main part (1), wire subassembly (2), yarn feeding hole (3) and drive assembly (4), yarn feeding hole (3) are seted up in the lower extreme of yarn mouth main part (1), and yarn feeding hole (3) and yarn mouth main part (1) are integrated into one piece structure, its characterized in that: the yarn mouth main part (1) is located to wire subassembly (2) both sides around, and wire subassembly (2) are including location axle (21), spring (23), horizontal pole (24) and wire section of thick bamboo (25) to horizontal pole (24) both ends sliding connection is in the location axle (21) outside, and wire section of thick bamboo (25) are fixed at horizontal pole (24) middle part, drive assembly (4) are including microcylinder (41), arch (42), guide pillar (44), installation arm (45) and linking arm (46), and microcylinder (41) are fixed in arch (42) upper end, and arch (42) are fixed in installation arm (45) upper end to microcylinder (41) piston rod lower extreme is connected with yarn mouth main part (1) upper end.

2. The yarn feeding mouth structure of the computerized flat knitting machine according to claim 1, wherein the positioning shaft (21) is fixed inside the yarn mouth main body (1), the spring (23) is sleeved at the front and rear parts of the positioning shaft (21) beyond the yarn mouth main body (1), and the front and rear ends of the positioning shaft (21) are provided with stop blocks (22).

3. The yarn feeding mouth structure of the computerized flat knitting machine according to claim 1, characterized in that sliding holes (241) are formed at two ends of the cross bar (24), the positioning shaft (21) is inserted into the sliding holes (241), and the end part of the cross bar (24) is located between the stop block (22) and the spring (23).

4. The yarn feeding mouth structure of a computerized flat knitting machine according to claim 1, characterized in that the wire guide cylinder (25) comprises an upper cone cylinder (251), a cylindrical cylinder (253) and a lower cone cylinder (254), the cylindrical cylinder (253) is connected between the upper cone cylinder (251) and the lower cone cylinder (254), and wire holes (252) are formed in the upper cone cylinder (251) and the lower cone cylinder (254).

5. The yarn feeding mouth structure of the computerized flat knitting machine according to claim 1, characterized in that a guiding hole (11) is formed in the yarn mouth main body (1), the installation arms (45) are horizontally and symmetrically inserted into the guiding hole (11), and the lower ends of the arched frames (42) are respectively and fixedly connected with the installation arms (45) at two sides of the yarn mouth main body (1).

6. The yarn feeding mouth structure of the computerized flat knitting machine according to claim 1, wherein a limiting block (43) is arranged at the upper end of the guide post (44), the guide post (44) slides through the mounting arm (45), and the lower end of the guide post (44) is fixed on the upper end face of the connecting arm (46).

7. Yarn feeding mouth structure of a computerized flat knitting machine according to claim 1, characterized in that the connecting arms (46) are symmetrically welded on both sides of the yarn feeding mouth main body (1), the connecting arms (46) are positioned on the lower side of the mounting arms (45), and the connecting arms (46) are parallel to the mounting arms (45).