CN220643399U

CN220643399U - Rebound prevention yarn feeding mechanism of weft yarn machine

Info

Publication number: CN220643399U
Application number: CN202322261996.9U
Authority: CN
Inventors: 王占宇; 陶元亮
Original assignee: Luoyang Jiufa Industrial Co ltd
Current assignee: Luoyang Jiufa Industrial Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-22
Anticipated expiration: 2033-08-22

Abstract

The utility model discloses an anti-rebound yarn feeding mechanism of a weft machine, which relates to the technical field of yarn feeding of weft machines and comprises a support, wherein two rotating seats are symmetrically arranged on the support, an adjusting piece is arranged between the two rotating seats and the support, positioning rollers are rotationally connected above the rotating seats, threaded parts are arranged at the other ends of the positioning rollers, positioning rings are in threaded connection with the threaded parts, limiting plates are fixedly connected to one ends of the positioning rollers, which are close to the rotating seats, of the positioning rollers, the limiting plates are arranged in the rotating seats, limiting pieces are arranged between the inner walls of the rotating seats and the limiting plates, limiting groove inclined surfaces are arranged in the same direction along with the limiting blocks, the limiting grooves are propped against the limiting block inclined surfaces to enable the limiting blocks to shrink along the first supporting rods along with the second supporting rods and squeeze springs, if the positioning rollers rotate, elastic potential energy is released by the springs to be inserted into corresponding limiting grooves, the limiting blocks and the other sides of the limiting blocks and the limiting grooves are arranged in a vertical plane, and the limiting grooves are clamped with the limiting grooves.

Description

Rebound prevention yarn feeding mechanism of weft yarn machine

Technical Field

The utility model relates to the technical field of yarn feeding of weft knitting machines, in particular to an anti-rebound yarn feeding mechanism of a weft knitting machine.

Background

Weft yarn machine is a common textile equipment and is widely applied to the processing of cotton, hemp, wool, silk and other fibers. In the production process of the weft machine, yarn feeding is one of the most important links, and the traditional yarn feeding mode of the weft machine mostly adopts manual operation or a simple mechanical device, and has low efficiency and poor stability.

In order to improve the yarn feeding efficiency and quality of weft yarn machines, various automatic yarn feeding mechanisms have been developed in the prior art, including electric yarn feeding machines, hydraulic yarn feeding machines, pneumatic yarn feeding machines and the like. However, these yarn feeding mechanisms have some drawbacks such as complicated operation, poor stability, and low accuracy.

The patent with the publication number of CN215828974U discloses a warp and weft conveying device for a circular loom, which comprises a device body, wherein a mounting plate is vertically arranged on the top surface of the device body, a first fixed shaft is horizontally arranged on the surface of the mounting plate, a second fixed shaft is arranged below the first fixed shaft, a first winding reel is sleeved on the surface of the second fixed shaft, and the first winding reel is movably connected with the second fixed shaft through a sealing bearing. According to the utility model, the second fixed shaft, the first winding tube, the limiting grooves and the sealing bearings are matched for use, so that yarns on the surface of each yarn tube are wound in the limiting grooves appointed by the surface of the first winding tube when the yarn tube is paid out and conveyed, and then the yarns are conveyed in the limiting grooves on the surface of the first winding tube, so that the limiting grooves can isolate a plurality of yarns, the phenomenon of staggering during conveying is avoided, the operation is simple, and the normal conveying of the yarns is ensured.

In the above-mentioned case, can make the spacing groove keep apart many yarns, avoid appearing crisscross condition when carrying, this mode easy operation guarantees the normal transport to the yarn, but the applicant thinks not be provided with the structure that prevents the axostylus axostyle resilience gyration among the prior art, appears pressing from both sides line or the condition of broken string for place the line volume because inertial gyration, lead to the line volume to loosen the volume, influence the line body tension when going on the line again, reduction in production efficiency.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide an anti-rebound yarn feeding mechanism of a weft yarn machine, which aims to effectively solve the problems that the prior art is not provided with a structure for preventing a shaft lever from rebound and rotating, so that a coil is unwound, the tension of a coil body is influenced when the yarn is fed again, and the production efficiency is low.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a yarn mechanism on preventing kick-backing of woof machine, includes the support, the symmetry is provided with two rotation seats on the support, and two be provided with the regulating part between rotation seat and the support, the top of rotation seat is all rotated and is connected with the positioning roller, threaded portion has all been seted up to the other end of positioning roller, equal threaded connection has the holding ring on the threaded portion.

The utility model discloses a yarn winding device, including the locating roller, the equal fixedly connected with limiting plate of one end that is close to the rotation seat, the limiting plate sets up in the inside of rotation seat, just be provided with the locating piece between the inner wall of rotation seat and the limiting plate, the inclined plane is seted up according to limiting plate rotation direction to the stopper, the spacing groove inclined plane is offered along with the stopper syntropy, spacing groove inclined plane offsets with the stopper inclined plane and makes the stopper shrink along first branch and extrusion spring along second branch, if the locating roller appears gyration, spring release elastic potential energy pops out the stopper and pegging graft in the spacing groove that corresponds, stopper and spacing groove opposite side are the perpendicular setting, stopper and the spacing groove joint of perpendicular makes the locating roller unable rotation, thereby avoid the locating roller to drive the weft yarn winding resilience as far as possible, lead to the weft yarn winding loose reel, the line tension of weft yarn when the influence is gone up the yarn again.

As a preferable scheme of the utility model, the limiting pieces comprise first supporting rods fixedly connected with the inner wall of the rotating seat, the other ends of the first supporting rods are slidably connected with second supporting rods, and the other ends of the second supporting rods are fixedly connected with limiting blocks.

As a preferable scheme of the utility model, springs are arranged in the first supporting rods, one ends of the springs are fixedly connected with the second supporting rods, and the other ends of the springs are fixedly connected with the inner walls of the first supporting rods.

As a preferable scheme of the utility model, the limiting plates are provided with a plurality of limiting grooves at equal intervals along the outer diameter, and the limiting blocks are inserted between the limiting grooves.

As a preferable scheme of the utility model, the outer walls of the second support rods are respectively sleeved with a stable support in a sliding mode, the stable supports are respectively arranged in a U shape, and two ends of each stable support are respectively fixedly connected to the inner wall of the rotating seat.

As a preferable scheme of the utility model, the adjusting piece comprises a bidirectional screw rod which is rotatably connected inside the support, and one end of the bidirectional screw rod extends to the outer side of the support and is fixedly connected with a handle.

As a preferable scheme of the utility model, the two sides of the bidirectional screw are connected with T-shaped blocks in a threaded manner, the T-shaped blocks are arranged in the support in a sliding manner, and one ends of the T-shaped blocks extend to the outer sides of the support and are fixedly connected with corresponding rotating seats.

Compared with the prior art, the utility model has the advantages that:

in order to avoid the rotation of a roller shaft for placing the weft yarn coil as far as possible, the positioning roller is used for placing the weft yarn coil, the rotating positioning ring is close to and clamps the weft yarn coil along the threaded part, so that the weft yarn coil is fixedly connected with the positioning roller coaxially, the equipment pulls the weft yarn to be wound, the coil rotates along the rotating seat along the positioning roller, the positioning roller is limited in the rotating seat through the limiting plate, the limiting plate synchronously rotates when the positioning roller rotates, the limiting plate rotates, the limiting block is provided with an inclined plane according to the rotating direction of the limiting plate, the inclined plane of the limiting groove is provided with the limiting block in the same direction, the inclined plane of the limiting groove is abutted against the inclined plane of the limiting block, so that the limiting block contracts along the first supporting rod along the second supporting rod and extrudes the spring, if the positioning roller rotates, the spring releases elastic potential energy to pop the limiting block into the corresponding limiting groove, the limiting block and the other side of the limiting groove are vertical surfaces, the limiting block and the limiting groove are clamped, so that the positioning roller cannot rotate, and the positioning roller is prevented from driving the weft yarn coil to rebound, and the winding is loosened, and the tension of the weft yarn is affected when the weft yarn is wound again.

Drawings

FIG. 1 is a perspective view of the overall mechanism of the present utility model;

FIG. 2 is a schematic view of a rotary seat according to the present utility model in a top-down section;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

fig. 4 is a schematic perspective view of a bidirectional screw structure according to the present utility model.

The reference numerals in the figures illustrate:

1. a support; 2. a rotating seat; 3. a positioning roller; 4. a threaded portion; 5. a positioning ring; 6. a limit groove; 7. a T-shaped block; 8. a bidirectional screw; 9. a handle; 10. a limiting plate; 11. a limiting piece; 111. a first strut; 112. a second strut; 113. a limiting block; 114. a spring; 12. and (5) stabilizing the bracket.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2 and fig. 3, an anti-rebound yarn feeding mechanism of a weft yarn machine comprises a support 1, two rotating seats 2 are symmetrically arranged on the support 1, an adjusting piece is arranged between the two rotating seats 2 and the support 1, a positioning roller 3 is rotationally connected above the rotating seats 2, threaded portions 4 are respectively arranged at the other ends of the positioning roller 3, positioning rings 5 are respectively connected with the threaded portions 4 in a threaded manner, a limiting plate 10 is respectively fixedly connected with one end, close to the rotating seats 2, of the positioning roller 3, the limiting plate 10 is arranged in the rotating seats 2, a limiting piece 11 is arranged between the inner wall of the rotating seats 2 and the limiting plate 10, the limiting piece 11 comprises a first supporting rod 111 fixedly connected with the inner wall of the rotating seats 2, the other ends of the first supporting rod 111 are respectively and slidably connected with a second supporting rod 112, the other ends of the second supporting rod 112 are respectively and fixedly connected with limiting blocks 113, springs 114 are respectively arranged in the inner walls of the first supporting rod 111, one ends of the springs 114 are respectively and fixedly connected with the second supporting rod 112, the other ends of the springs 114 are respectively and fixedly connected with the inner walls of the first supporting rod 111, limiting plates 10 are respectively and the limiting blocks 6 and the limiting grooves 113 are respectively arranged at equal intervals along the outer diameters.

In this embodiment, if the condition of yarn clamping or yarn breakage occurs in the process of yarn feeding on the weft yarn machine, the roller shaft for placing the weft yarn roll is rotated by inertia, so that the weft yarn roll is unwound, the inclined plane of the limit block 113 is set according to the rotation direction of the limit block 10, the inclined plane of the limit slot 6 is set along with the limit block 113 in the same direction, so that the limit block 113 is contracted along the first support rod 111 and the spring 114 is extruded to avoid the rotation of the roller shaft for placing the weft yarn roll as far as possible, the positioning ring 5 is close to and clamps the weft yarn roll along the threaded part 4, so that the weft yarn roll and the positioning roller 3 are fixedly connected coaxially, the device pulls the weft yarn to be wound in the process, the weft yarn roll rotates along the rotation seat 2 along with the positioning roller 3, the positioning roller 3 is limited in the rotation seat 2 through the limit plate 10, the limit block 10 rotates synchronously when the positioning roller 3 rotates, the limit block 113 is set according to the rotation direction of the limit block 10, the inclined plane of the limit block 6 is set along with the limit block 113 in the same direction, the limit block 113 is set up by the limit block 113, the inclined plane of the limit block 6 is set by the limit block 113, when the positioning roller 3 rotates around the opposite side, if the positioning roller 3 rotates, the elastic potential energy is released from the other side, the limit block 113 is ejected to the corresponding limit block 113 along the first support rod 111, the limit block is contracted, and the limit block is set up along the limit block is set by the limit block, when the limit block is set, and the limit block is prevented from the limit block 3, and the limit block is set, and the elastic force is set, and the limit block is set, and the limit wire is wound.

Referring to fig. 3, the outer walls of the second struts 112 are slidably sleeved with a fixing support 12, the fixing support 12 is U-shaped, and two ends of the fixing support 12 are fixedly connected to the inner wall of the rotating base 2.

In order to ensure the strength of the second support rod 112 against the rotation force, the second support rod 112 is transversely limited by the stabilizing support 12, and the supporting point of the second support rod 112 is increased, so that the transverse impact force generated on the limiting block 113 when the positioning roller 3 and the limiting plate 10 rotate does not easily cause the second support rod 112 to be broken with the first support rod 111.

Referring to fig. 1 and 4, the adjusting member includes a bidirectional screw 8 rotatably connected inside the support 1, one end of the bidirectional screw 8 extends to the outside of the support 1 and is fixedly connected with a handle 9, two sides of the bidirectional screw 8 are both in threaded connection with a T-shaped block 7, the T-shaped block 7 is both slidably disposed inside the support 1, and one end of the T-shaped block 7 extends to the outside of the support 1 and is fixedly connected with the corresponding rotating seat 2.

In a further embodiment, the handle 9 can drive the bidirectional screw 8 to rotate, and the T-shaped block 7 drives the rotating seat 2 and the positioning roller 3 to be close to or far away from each other in the process of rotating the bidirectional screw 8, so as to adjust the interval between the weft yarn coils.

The working flow is as follows:

when the utility model is used, weft yarn coils are respectively placed on the corresponding positioning rollers 3, the rotating positioning rings 5 are close to and clamp the weft yarn coils along the thread parts 4, so that the weft yarn coils are coaxially and fixedly connected with the positioning rollers 3, the bidirectional screw rod 8 can be driven to rotate through the handle 9, the T-shaped block 7 drives the rotating seat 2 and the positioning rollers 3 to be close to or far away from each other in the rotating process of the bidirectional screw rod 8, the distance between the weft yarn coils is adjusted, the coils rotate along the rotating seat 2 along with the positioning rollers 3 in the process of pulling weft yarn to be fed, the positioning rollers 3 are limited in the rotating seat 2 through the limiting plates 10, the limiting plates 10 synchronously rotate when the positioning rollers 3 rotate, in the rotation process of the limiting plate 10, the limiting block 113 is provided with an inclined plane according to the rotation direction of the limiting plate 10, the inclined plane of the limiting groove 6 is provided along with the limiting block 113 in the same direction, the inclined plane of the limiting groove 6 is propped against the inclined plane of the limiting block 113, so that the limiting block 113 contracts along the first supporting rod 111 along the second supporting rod 112 and extrudes the spring 114, if the positioning roller 3 rotates, the spring 114 releases elastic potential energy to pop up and plug the limiting block 113 into the corresponding limiting groove 6, the limiting block 113 and the other side of the limiting groove 6 are arranged in a vertical plane, and the limiting block 113 and the limiting groove 6 in the vertical plane are clamped to enable the positioning roller 3 to rotate, so that the positioning roller 3 is prevented from driving the weft coil to rebound as much as possible.

It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and not limiting of the embodiments of the present utility model, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the utility model are defined by the following claims.

Claims

1. The utility model provides a yarn mechanism is gone up in rebound of preventing of woof machine, includes support (1), its characterized in that: two rotating seats (2) are symmetrically arranged on the support (1), adjusting pieces are arranged between the two rotating seats (2) and the support (1), positioning rollers (3) are rotationally connected above the rotating seats (2), threaded portions (4) are arranged at the other ends of the positioning rollers (3), and positioning rings (5) are connected to the threaded portions (4) in a threaded mode;

the positioning roller (3) is close to one end of the rotating seat (2) and fixedly connected with a limiting plate (10), the limiting plate (10) is arranged inside the rotating seat (2), and a limiting piece (11) is arranged between the inner wall of the rotating seat (2) and the limiting plate (10).

2. The anti-rebound yarn feeding mechanism of a weft machine according to claim 1, wherein: the limiting pieces (11) comprise first supporting rods (111) fixedly connected with the inner wall of the rotating seat (2), second supporting rods (112) are slidably connected to the other ends of the first supporting rods (111), and limiting blocks (113) are fixedly connected to the other ends of the second supporting rods (112).

3. The anti-rebound yarn feeding mechanism of a weft machine according to claim 2, wherein: the inside of first branch (111) all is provided with spring (114), the one end of spring (114) all fixed connection is in second branch (112), the other end of spring (114) all fixed connection is in first branch (111) inner wall.

4. The anti-rebound yarn feeding mechanism of a weft machine according to claim 2, wherein: the limiting plates (10) are provided with a plurality of limiting grooves (6) at equal intervals along the outer diameter, and limiting blocks (113) are inserted between the limiting grooves (6).

5. The anti-rebound yarn feeding mechanism of a weft machine according to claim 2, wherein: the outer wall of the second supporting rod (112) is provided with a stable support (12) in a sliding sleeve mode, the stable support (12) is arranged in a U-shaped mode, and two ends of the stable support (12) are fixedly connected to the inner wall of the rotating seat (2).

6. The anti-rebound yarn feeding mechanism of a weft machine according to claim 1, wherein: the adjusting piece comprises a bidirectional screw rod (8) which is rotationally connected inside the support (1), and one end of the bidirectional screw rod (8) extends to the outer side of the support (1) and is fixedly connected with a handle (9).

7. The anti-rebound yarn feeding mechanism of a weft machine according to claim 6, wherein: the two sides of the bidirectional screw rod (8) are connected with T-shaped blocks (7) in a threaded mode, the T-shaped blocks (7) are arranged inside the support (1) in a sliding mode, and one ends of the T-shaped blocks (7) extend to the outer sides of the support (1) and are fixedly connected with corresponding rotating seats (2).