CN221276011U

CN221276011U - Weft insertion mechanism of air jet loom

Info

Publication number: CN221276011U
Application number: CN202322863932.6U
Authority: CN
Inventors: 陈宁玲; 杨金山
Original assignee: Jiangsu Chite Textile Technology Co ltd
Current assignee: Jiangsu Chite Textile Technology Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-07-05
Anticipated expiration: 2033-10-24

Abstract

The application relates to a weft insertion mechanism of an air-jet loom, which is applied to the technical field of loom parts and components and comprises a weft feeding part, a supporting plate and a fixing frame, wherein the bottom end of the fixing frame is fixedly arranged on the air-jet loom, the supporting plate is fixedly arranged at the top end of the fixing frame, the weft feeding part is arranged on the supporting plate, the weft feeding part comprises inner tubes and thread rollers, the inner tubes are distributed on the supporting plate, pass through the supporting plate and are fixed with the supporting plate, the centers of the inner tubes are provided with threading holes in a penetrating way, the threading holes are arranged along the length direction of the inner tubes, each inner tube is sleeved with a thread roller wound with a weft, after the weft is pulled out from the thread roller, the weft passes through the inner tubes from top to bottom through the threading holes, and is pulled to the air-jet loom by jet air flow to interweave with the warp. The thread roller is non-rotating, and the weft thread is continuously pulled and released from the thread roller, so that the thread roller vibration caused by the weft thread can be avoided, the stability of the weft thread traction is improved, and the noise caused by the thread roller vibration is avoided.

Description

Weft insertion mechanism of air jet loom

Technical Field

The application relates to the technical field of loom parts, in particular to a weft insertion mechanism of an air jet loom.

Background

Textiles are widely used in the fields of clothing, home textiles, medical treatment, industry, environmental protection and the like, most of the clothes worn by people are textiles like common clothes, and the textiles are formed by adopting yarns through textile processing and have the characteristics of softness, ventilation, high comfort and the like.

The weaving (weaving) is a technological process for forming woven fabrics by using loom equipment, wherein yarns are used as warp and weft and traction weaving is carried out according to various fabric structures, the types of the loom equipment are divided into a plurality of types according to different requirements, an air jet loom is one common loom equipment, and the working principle of the air jet loom is that air is used as weft insertion medium, and the ejected compressed air flow is used for producing friction traction force for the weft to a designated position and interweaving with the warp so as to finish the weaving work. This requires the use of weft insertion mechanisms in air-jet looms for the traction of the weft thread.

In the related art, referring to fig. 1, the weft insertion mechanism comprises a weft feeding part 1, a supporting plate 2 and a fixing frame 4, the fixing frame 4 is fixed below the supporting plate 2, the fixing frame 4 can be fixed with an air-jet loom to fix the weft insertion mechanism on the air-jet loom, the weft feeding part 1 comprises a plurality of inner posts 8 fixed on the supporting plate 2 and thread rollers 12 sleeved on the inner posts 8 and wound with wefts, when the weft insertion mechanism works, jet air flows pull the wefts, and then the wefts are continuously pulled out from the thread rollers 12 and conveyed to a designated position for interweaving with warps. In the process, the weft yarn can drive the thread roller to rotate on the inner column, and in actual working, the speed of the jet air flow for dragging the weft yarn is higher, so that the speed of the thread roller rotating is also higher, the thread roller can continuously vibrate on the inner column, the weft yarn dragging is unstable, and meanwhile noise can be generated.

Disclosure of utility model

In order to solve the above-mentioned problems in the prior art, the present application provides an air jet loom weft insertion mechanism.

The application provides a weft insertion mechanism of an air jet loom, which adopts the following technical scheme:

The utility model provides an air jet loom weft insertion mechanism, includes weft feed portion, backup pad and mount, the bottom mounting of mount sets up on air jet loom, the backup pad is fixed to be set up the top of mount, weft feed portion sets up in the backup pad, weft feed portion includes inner tube and wire roller, the inner tube is in distribute a plurality of in the backup pad, the inner tube passes the backup pad and with the backup pad is fixed, the center of inner tube runs through and is equipped with the through wires hole, the through wires hole is followed the length direction setting of inner tube, every all overlap on the inner tube is equipped with a winding has the wire roller of weft, weft follow after pulling out on the wire roller, via the through wires hole is from top to bottom passed the inner tube, is drawn to air jet loom by the jet loom and is interweaved with warp.

Through adopting above-mentioned technical scheme, establish the wire roller cover that twines the weft on the inner tube that has the through wires hole, after the weft pulls out from the wire roller, pass the inner tube from top to bottom through the through wires hole to reach the purpose that makes weft pull out from the wire roller, weft is drawn to air jet loom by jet current and is interweaved with warp. Compared with the mode of pulling the weft from the wire roller in the prior art, the mode of pulling the weft from the wire roller is adopted, the wire roller is not rotated, and the weft is continuously pulled and released from the wire roller, so that the vibration of the wire roller caused by the weft can be avoided, the stability of weft pulling is improved, and meanwhile, the noise caused by vibration of the wire roller can be avoided.

Optionally, the wire roller is provided with two rows on the backup pad, two rows the wire roller distributes along the traction direction of weft, and two rows the wire roller is crisscross to set up each other.

By adopting the technical scheme, each weft yarn has a traction path which is independent of other weft yarns and is not overlapped with the other weft yarns in the traction process, so that the situation of traction failure caused by contact or even winding of the weft yarns with other weft yarns in the traction process is avoided.

Optionally, the mounting hole has been seted up in the backup pad, the mounting hole with the inner tube corresponds the distribution, the inner tube is passed through via the mounting hole the backup pad, respectively the cover is equipped with a nut on the inner tube in the both sides position of backup pad, two the nut all with the outer wall threaded connection of inner tube, two the nut respectively with the both sides of backup pad support tightly.

Through adopting above-mentioned technical scheme, can supply the inner tube to pass like this and fasten and install in the backup pad to can guarantee to dismantle the operation to the inner tube through the dismantlement to the nut.

Optionally, a lead plate is disposed on the fixing frame, a plurality of first lead holes are uniformly distributed on the lead plate along a horizontal direction, the first lead holes are distributed in one-to-one correspondence with wefts, and the wefts pass through the inner tube from top to bottom via the first lead holes after being pulled out from the wire roller, and then pass through the lead plate via the first lead holes.

By adopting the technical scheme, the traction direction of the weft from the inner tube to the thread guiding plate can be controlled, and the traction path distance between the weft and the weft is uniform.

Optionally, the lead plate is connected with the fixing frame through bolts.

Through adopting above-mentioned technical scheme, the fixed equipment is accomplished through bolt and mount to the lead plate, when dismantling the bolt, can ensure to dismantle the operation to the lead plate.

Optionally, be provided with the lead frame on the mount, the lead frame is located the below of lead plate, the lead frame is the evagination structure, along horizontal direction evenly distributed on the lead frame have a plurality of lead wire hole two, lead wire hole two also with weft one-to-one distributes, weft is followed pull out on the wire roller the back, via the through wires hole is from top to bottom passed the inner tube, via the through wires hole one passes the lead plate, then by lead wire hole two passes the lead frame.

By adopting the technical scheme, the traction direction of the weft from the lead plate to the lead frame can be controlled, the traction path distance between the weft is uniform, the arrangement of the traction path of the whole weft is perfected, and the accuracy of the traction path of the weft is improved.

Optionally, the lead frame is connected with the fixing frame through bolts.

Through adopting above-mentioned technical scheme, the fixed equipment is accomplished through bolt and mount to the lead plate, when dismantling the bolt, can ensure to dismantle the operation to the lead frame.

Optionally, the hole walls of the first lead hole and the second lead hole are both provided with protective layers.

Through adopting above-mentioned technical scheme, be provided with the protective layer on the pore wall of lead wire hole one and lead wire hole two, when the traction weft passed lead wire hole one and lead wire hole two like this, can avoid weft to take place to scratch with the pore wall to the protection weft is not worn by the pore wall.

In summary, the application has the following beneficial technical effects:

1. The thread roller around which the weft is wound is sleeved on the inner tube, and after the weft is pulled out from the thread roller, the weft passes through the inner tube from top to bottom through the threading hole so as to achieve the purpose of pulling the weft out from the thread roller, and the weft is pulled to the air-jet loom by jet airflow to interweave with the warp. Compared with the mode of pulling the weft from the wire roller in the prior art, the mode of pulling the weft from the wire roller is adopted, the wire roller is not rotated, and the weft is continuously pulled and released from the wire roller, so that the vibration of the wire roller caused by the weft can be avoided, the stability of weft pulling is improved, and meanwhile, the noise caused by vibration of the wire roller can be avoided.

2. The lead plate and the lead frame can enable the traction direction of the weft yarn from the thread roller to the air jet loom to be controllable, the traction path distance between the weft yarn and the weft yarn is uniform, the arrangement of the traction path of the whole weft yarn is perfected, and the accuracy of the traction path of the weft yarn is improved.

Drawings

Fig. 1 is a schematic perspective view of a weft insertion mechanism of an air jet loom according to the prior art.

Fig. 2 is a schematic perspective view of a weft insertion mechanism of an air jet loom according to an embodiment of the present application.

Fig. 3 is a front view of an air jet loom weft insertion mechanism in an embodiment of the present application.

Fig. 4 is a top view of a support plate in an embodiment of the application.

Reference numerals: 1. a weft supply unit; 11. an inner tube; 111. a threading hole; 12. a wire roller; 2. a support plate; 21. a mounting hole; 3. a nut; 4. a fixing frame; 5. a lead plate; 51. a first lead hole; 6. a lead frame; 61. a second lead hole; 7. a protective layer; 8. an inner column.

Detailed Description

The application is described in further detail below with reference to fig. 2-4.

The embodiment of the application discloses a weft insertion mechanism of an air-jet loom, which is a part of the air-jet loom for drawing a weft to a designated position of the air-jet loom and interweaving the weft with warp, and referring to fig. 2, wherein the weft insertion mechanism comprises a weft supply part 1, a support plate 2 and a fixing frame 4, the weft supply part 1 is used for supplying and drawing out the weft, the support plate 2 is used for placing and supporting the weft supply part 1, and the fixing frame 4 is used for fixedly mounting the weft supply part 1 placed on the support plate 2 on the air-jet loom.

Referring to fig. 2 and 3, the weft supply part 1 is disposed above the support plate 2 and perpendicular to the support plate 2, the weft supply part 1 includes inner tubes 11 and thread rollers 12 wound with wefts, specifically, in combination with fig. 4, mounting holes 21 are provided in the support plate 2 for mounting and fixing the inner tubes 11 through the support plate 2, the number of the mounting holes 21 is eight, the mounting holes 21 are distributed in two rows, the two rows of mounting holes 21 are distributed along the traction direction of the wefts, four are provided in each row, the two rows of mounting holes 21 are staggered with each other, the inner tubes 11 and the mounting holes 21 are in a one-to-one distributed positional relationship, so the number of the inner tubes 11 is eight, two rows of the inner tubes 11 are distributed, four are provided in each row, the inner tubes 11 are staggered with each other, the inner tubes 11 pass through the support plate 2 via the mounting holes 21, the nuts 3 are respectively sleeved at positions on both sides of the inner tubes 11, the nuts 3 are screwed with the outer walls of the inner tubes 11, so that the two nuts 3 are respectively abutted at positions on both sides of the support plate 2, thus the inner tubes 11 can pass through the support plate 2 and the nuts 3 can be removed by fastening the inner tubes 11.

Referring to fig. 2 and 3, the center of the inner tube 11 is provided with a threading hole 111 in a penetrating manner, the threading hole 111 is provided along the length direction of the inner tube 11, and then the inner tube 11 has two threading openings, one of which is located above the support plate 2 (hereinafter, collectively referred to as an upper threading opening), and the other of which is located below the support plate 2 (hereinafter, collectively referred to as a lower threading opening), the lower threading opening is located closer to the support plate 2 than the upper threading opening, and a weft pulled out from the wire roll 12 is entered from the upper threading opening, passes through the threading hole 111, and then is threaded out from the lower threading opening.

Each inner tube 11 is sleeved with one wire roller 12 wound with wefts, so that the number of the wire rollers 12 is eight, the number of the wire rollers 12 is two, the number of the wire rollers is four, the two wire rollers 12 are arranged alternately, and therefore, in the process that each weft is pulled out from the wire roller 12, a traction path which is independent and does not coincide with other wefts is provided, and the situation that the weft fails in traction due to contact or even winding with other wefts in the traction process is avoided. Then, after the weft is drawn out from the thread roller 12, the weft passes through the inner tube 11 from top to bottom via the threading hole 111, so as to achieve the purpose of drawing the weft out from the thread roller 12, and the weft is drawn to the air jet loom by the jet air flow to interweave with the warp. Compared with the mode of pulling the weft from the thread roller 12 in the prior art, the mode of pulling the weft from the thread roller 12 in the application has the advantages that the thread roller 12 does not rotate, but the weft is continuously pulled and released from the thread roller 12, so that the vibration of the thread roller 12 caused by the weft can be avoided, the stability of the weft pulling is improved, and the noise of the thread roller 12 caused by the vibration can be avoided.

Referring to fig. 2, a fixing frame 4 of a zigzag structure is arranged between a supporting plate 2 and an air-jet loom, the top of the fixing frame 4 is fixedly mounted with the supporting plate 2, the bottom of the fixing frame 4 is fixedly mounted with the air-jet loom, a lead plate 5 and a lead frame 6 are arranged on the fixing frame 4, two ends of the lead plate 5 in the horizontal direction are respectively connected with the fixing frame 4 through bolts, when the bolts are detached, the lead plate 5 can be guaranteed to be detached, first lead holes 51 for a weft to pass through are formed in the lead plate 5, a plurality of first lead holes 51 are uniformly formed in the horizontal direction and are distributed in one-to-one correspondence with the weft, and the number of the first lead holes 51 is eight.

The lead frame 6 is located the below of lead plate 5 to stretch out mount 4 a section distance along the traction direction of weft, the both ends in the horizontal direction of lead frame 6 are respectively with mount 4 bolted connection, when dismantling the bolt, can ensure to dismantle the operation to lead frame 6, offer the wire hole second 61 that supplies the weft to pass on the lead frame 6, wire hole second 61 along horizontal direction evenly distributed has a plurality ofly, wire hole second 61 also distributes with weft one-to-one, and the quantity of wire hole second 61 is eight too. After the weft is pulled out from the thread roller 12, the weft passes through the inner pipe 11 from top to bottom through the threading hole 111, passes through the thread guide plate 5 through the thread guide hole I51 and then passes through the thread guide frame 6 through the thread guide hole II 61, so that the pulling direction of the weft from the thread roller 12 to the thread guide frame 6 is controllable, the pulling path distance between the weft and the weft is uniform, the arrangement of the pulling path of the whole weft is perfected, and the accuracy of the pulling path of the weft is improved.

Referring to fig. 3, a protective layer 7 is disposed on the walls of the first and second thread guiding holes 51 and 61, and the protective layer 7 is made of silica gel, so that when the weft thread is pulled to pass through the first and second thread guiding holes 51 and 61, the weft thread and the walls of the holes are prevented from being scratched, and the weft thread is prevented from being abraded by the walls of the holes.

The embodiment of the application provides an implementation principle of a weft insertion mechanism of an air jet loom, which comprises the following steps: the thread roller 12 wound with the weft is sleeved on the inner tube 11, the weft passes through the inner tube 11 from top to bottom through the threading hole 111 after being pulled out from the thread roller 12, reaches the lower part of the supporting plate 2, and then sequentially passes through the first thread leading hole 51 on the thread leading plate 5 and the second thread leading hole 61 on the thread leading frame 6, so that the weft is pulled out of the weft feeding part 1, the weft pulling work is completed, and then the weft is pulled to the air jet loom by the jet air flow to interweave with the warp.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides an air jet loom weft insertion mechanism, its characterized in that includes weft feed portion (1), backup pad (2) and mount (4), the bottom mounting of mount (4) sets up on air jet loom, backup pad (2) are fixed to be set up the top of mount (4), weft feed portion (1) set up on backup pad (2), weft feed portion (1) include inner tube (11) and wire roller (12), inner tube (11) are in distribute on backup pad (2) a plurality of, inner tube (11) pass backup pad (2) and with backup pad (2) are fixed, the center of inner tube (11) is run through and is equipped with through wires hole (111), through wires hole (111) are followed the length direction setting of inner tube (11), every all overlap on inner tube (11) be equipped with one winding have weft wire roller (12), after weft is followed on wire roller (12) pull out, inner tube (111) are passed from last to lower through inner tube (11), are interweaved with the jet loom with the air current of drawing.

2. An air jet loom weft insertion mechanism according to claim 1, characterized in that the thread rollers (12) are provided with two rows on the support plate (2), the two rows of thread rollers (12) being distributed along the traction direction of the weft thread, and the two rows of thread rollers (12) being staggered with respect to each other.

3. The weft insertion mechanism of an air jet loom according to claim 1, wherein the supporting plate (2) is provided with mounting holes (21), the mounting holes (21) are distributed corresponding to the inner tube (11), the inner tube (11) passes through the supporting plate (2) through the mounting holes (21), two nuts (3) are respectively sleeved on two side parts of the supporting plate (2) on the inner tube (11), and two nuts (3) are in threaded connection with the outer wall of the inner tube (11), and the two nuts (3) are respectively abutted against two sides of the supporting plate (2).

4. The weft insertion mechanism of an air jet loom according to claim 1, wherein a plurality of first lead holes (51) are uniformly distributed on the lead plate (5) along the horizontal direction, the first lead holes (51) are distributed in one-to-one correspondence with wefts, and the wefts pass through the inner tube (11) from top to bottom through the threading holes (111) after being pulled out from the thread roller (12), and then pass through the lead plate (5) through the first lead holes (51).

5. An air jet loom weft insertion mechanism according to claim 4, characterized in that the lead plate (5) and the fixing frame (4) are bolted.

6. The weft insertion mechanism of an air jet loom according to claim 4, wherein a lead frame (6) is arranged on the fixing frame (4), the lead frame (6) is located below the lead plate (5), the lead frame (6) is of a convex structure, a plurality of second lead holes (61) are uniformly distributed on the lead frame (6) along the horizontal direction, the second lead holes (61) are also distributed in one-to-one correspondence with wefts, the wefts pass through the inner tube (11) from top to bottom through the threading holes (111) after being pulled out from the thread roller (12), pass through the lead plate (5) through the first lead holes (51), and then pass through the lead frame (6) through the second lead holes (61).

7. An air jet loom weft insertion mechanism according to claim 6, characterized in that the lead frame (6) and the fixing frame (4) are bolted.

8. An air jet loom weft insertion mechanism according to claim 6, characterized in that the walls of the first and second thread guiding holes (51, 61) are provided with a protective layer (7).