CN214655555U - Weft yarn pulling-back device of weaving machine - Google Patents
Weft yarn pulling-back device of weaving machine Download PDFInfo
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- CN214655555U CN214655555U CN202022985666.0U CN202022985666U CN214655555U CN 214655555 U CN214655555 U CN 214655555U CN 202022985666 U CN202022985666 U CN 202022985666U CN 214655555 U CN214655555 U CN 214655555U
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- weft yarn
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Abstract
The utility model discloses a loom woof pull-back device belongs to the textile machinery field, and its structure includes woof shifter and woof guider, woof shifter and woof guider be located the front end of nozzle, woof shifter including dialling fishhook A, dialling fishhook B, connecting seat, mount pad and dialling fishhook swing actuating mechanism, dialling fishhook A, dialling fishhook B symmetry respectively set up the left and right sides at the connecting seat, dialling fishhook swing actuating mechanism link to each other with dialling fishhook A and dialling fishhook B respectively, the mount pad set up the upper portion at the connecting seat, woof guider link to each other with the mount pad. The utility model discloses a loom woof pull-back device has effectually prevents that the woof from tangling, makes the wefting insertion more stable, has improved characteristics such as weaving quality, therefore has fine popularization and application and worth.
Description
Technical Field
The utility model belongs to the technical field of spinning machine and specifically relates to a loom woof pull-back device.
Background
The prior known fluid jet loom respectively uses water and air as media and has the characteristics of high speed and large yield. It is well known by various manufacturers that when a large yarn count or heavy twist fabric is encountered, the weft yarn bends between the yarn storage device and the nozzle after being sprayed as shown in fig. 1 (two-color weft weaving), or entanglements are generated due to the fact that the nozzle end protrudes too much, resulting in fabric defects.
SUMMERY OF THE UTILITY MODEL
The technical task of the utility model is to provide a loom woof pull-back device in the not enough of above-mentioned prior art, this loom woof pull-back device has effectually prevents that the woof from tangling, makes the wefting insertion more stable, has improved the characteristics of weaving the quality.
The utility model provides a technical scheme that its technical problem adopted is: the weft yarn shifting device and the weft yarn guiding device are located at the front end of the nozzle, the weft yarn shifting device comprises a yarn shifting hook A, a yarn shifting hook B, a connecting seat, a mounting seat and a yarn shifting hook swinging driving mechanism, the yarn shifting hook A and the yarn shifting hook B are symmetrically arranged on the left side and the right side of the connecting seat respectively, the yarn shifting hook swinging driving mechanism is connected with the yarn shifting hook A and the yarn shifting hook B respectively, the mounting seat is arranged on the upper portion of the connecting seat, the weft yarn guiding device is connected with the mounting seat, and the yarn shifting hook A and the yarn shifting hook B are arranged on the front side of the weft yarn guiding device.
The mounting seat is arranged on the upper plane of the connecting seat and connected through a screw.
The yarn poking hook swinging driving mechanism is a driving motor, the yarn poking hook A and the yarn poking hook B are respectively connected with one driving motor, the lower parts of the yarn poking hook A and the yarn poking hook B are respectively connected with a motor shaft of the driving motor, and the driving motor is fixed on the front side of the connecting seat.
The weft yarn guide device comprises a yarn guide protection plate and magnetic hole adjusting sheets, the yarn guide protection plate is arranged on the upper plane of the mounting seat, an upper waist-shaped groove and a lower waist-shaped groove which are transversely arranged are formed in the surface, facing the nozzle, of the yarn guide protection plate, the magnetic hole adjusting sheets comprise two magnetic hole adjusting sheets, the two magnetic hole adjusting sheets are respectively arranged at the left end and the right end of the waist-shaped groove, and the first weft yarn and the second weft yarn respectively penetrate through the magnetic hole adjusting sheets at the left end and the right end.
The yarn guide guard plate is fixed on the mounting seat through a screw.
The magnetic hole adjusting sheet is fixed in a kidney-shaped groove at the lower part of the yarn guide guard plate through a screw.
In two kidney-shaped grooves on the yarn guide guard plate, the kidney-shaped groove at the upper part has large width, and the kidney-shaped groove at the lower part has small width.
The yarn guide guard plate is C-shaped, and two side surfaces are respectively provided with a baffle.
Compared with the prior art, the weft yarn pull-back device of the weaving machine has the following outstanding beneficial effects: when weaving, the redundant weft yarns extending out of the tail end of the nozzle are pulled back, and meanwhile, the bent weft yarns between the yarn storage mechanism and the nozzle are straightened, so that the weft yarns are effectively prevented from being tangled, and the weft insertion is more stable. Meanwhile, weft shrinkage and defects are prevented, and weaving quality is improved. Solves the problem of more multi-weft weaving, and improves the quality and the weaving efficiency of products.
Drawings
FIG. 1 is a prior art structural view;
FIG. 2 is a perspective view of a weft yarn pullback device of the loom;
FIG. 3 is a schematic drawing of a first weft yarn pullback in a weft yarn pullback device of the loom;
FIG. 4 is a schematic drawing of a second weft yarn pullback in the weft yarn pullback device of the loom;
FIG. 5 is a schematic view of the weft yarn shifting device;
FIG. 6 is a schematic view of the weft guide;
description of reference numerals:
1. weft yarn shifting device 11, yarn shifting hooks A and 12, yarn shifting hooks B and 13, a connecting seat 14, a mounting seat 15, a yarn shifting hook swing driving mechanism 2, a weft yarn guiding device 21, a yarn guide guard plate 22, a magnetic hole adjusting sheet 23, a kidney-shaped groove 24, a baffle plate 3, a nozzle 41, first weft yarns 42 and second weft yarns.
Detailed Description
The weft yarn retracting device of the loom of the present invention will be described in detail below with reference to fig. 2 to 6 of the specification.
The utility model discloses a loom woof pull-back device, its structure includes woof toggle mount 1 and woof guider 2, woof toggle mount 1 and woof guider 2 be located the front end of nozzle 3, woof toggle mount 1 including dialling fishhook A11, dialling fishhook B12, connecting seat 13, mount pad 14 and dialling fishhook swing actuating mechanism 15, dialling fishhook A11, dialling fishhook B12 symmetry respectively set up the left and right sides at connecting seat 13, dialling fishhook swing actuating mechanism 15 link to each other with dialling fishhook A11 and dialling fishhook B12 respectively to the drive is dialled fishhook A11 and is dialled fishhook B12 horizontal hunting and realize the purpose of pulling back the yarn, mount pad 14 set up the upper portion at connecting seat 13, woof guider 2 link to each other with mount pad 14, dial fishhook A11 and dialling fishhook B12 set up the front side at guider 2.
The mounting seat 14 is arranged on the upper plane of the connecting seat 13 and connected by a screw.
The yarn poking hook swinging driving mechanism 15 is a driving motor, the yarn poking hook A11 and the yarn poking hook B12 are respectively connected with one driving motor, the lower parts of the yarn poking hook A11 and the yarn poking hook B12 are respectively connected with a motor shaft of the driving motor, and the driving motor is fixed on the front side of the connecting seat 13.
The weft yarn guiding device 2 comprises a yarn guiding protection plate 21 and magnetic hole adjusting sheets 22, the yarn guiding protection plate 21 is arranged on the upper plane of the mounting seat 14, an upper waist-shaped groove 23 and a lower waist-shaped groove 23 which are transversely arranged are arranged on the surface, which faces the nozzle 3, of the yarn guiding protection plate 21, the magnetic hole adjusting sheets 22 comprise two magnetic hole adjusting sheets, the two magnetic hole adjusting sheets are respectively arranged at the left end and the right end in the waist-shaped groove 23, and the first weft yarn 41 and the second weft yarn 42 respectively penetrate through the magnetic hole adjusting sheets 22 at the left end and the right end. The magnetic hole adjusting sheets 22 are 2 and can move along the horizontal direction of the kidney-shaped groove 23, and the requirements of various weft yarn weaving on the distance adjustment between weft yarns can be met.
The yarn guide guard plate 21 is fixed on the mounting seat 14 through screws.
The magnetic hole adjusting sheet 22 is fixed in a kidney-shaped groove 23 at the lower part of the yarn guide guard plate 21 through a screw.
Of the two kidney-shaped grooves 23 on the yarn guide guard plate 21, the width of the kidney-shaped groove at the upper part is large, and the width of the kidney-shaped groove at the lower part is small.
The yarn guide guard plate 21 is C-shaped, and two side faces are respectively provided with a baffle plate 24, so that the yarn is protected.
The utility model discloses a theory of operation: when the jet loom weaves the bicolor weft yarns, after the first weft yarns 41 finish the jet action, the yarn poking hook a11 is driven by the driving motor to swing to pull back the first weft yarns 41 by a length which is smaller than the length of the first weft yarns 41 extending from the tail ends, so as to prevent the first weft yarns 41 from falling off, tension the loose first weft yarns 41 and avoid the entanglement with the second weft yarns 42 at the tail ends, as shown in fig. 3. After the second weft yarn 42 finishes the spraying action, the yarn pulling hook B12 is swung under the driving of the driving motor to pull back the second weft yarn 42 by a length which is smaller than the length of the second weft yarn 42 extending from the end, so as to prevent the second weft yarn 42 from falling, tension the loose second weft yarn 42 and avoid the entanglement with the first weft yarn 41 at the end, as shown in fig. 4. The length of the weft yarn pulled back can be adjusted by changing the rotating angle of the driving motor so as to adapt to the requirements of different fabrics on tension.
The above-mentioned embodiments are only for understanding the present invention, and are not intended to limit the technical solutions of the present invention, and those skilled in the relevant art can make various changes or modifications based on the technical solutions described in the claims, and all equivalent changes or modifications should be covered by the scope of the claims of the present invention. The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (8)
1. A weft yarn pullback device of a weaving machine is characterized in that: the weft yarn shifting device and the weft yarn guiding device are located at the front end of the nozzle, the weft yarn shifting device comprises a yarn shifting hook A, a yarn shifting hook B, a connecting seat, a mounting seat and a yarn shifting hook swinging driving mechanism, the yarn shifting hook A and the yarn shifting hook B are symmetrically arranged on the left side and the right side of the connecting seat respectively, the yarn shifting hook swinging driving mechanism is connected with the yarn shifting hook A and the yarn shifting hook B respectively, the mounting seat is arranged on the upper portion of the connecting seat, and the weft yarn guiding device is connected with the mounting seat.
2. A weft yarn pullback device for a loom as claimed in claim 1, wherein: the mounting seat is arranged on the upper plane of the connecting seat and connected through a screw.
3. A weft yarn pullback device for a loom as claimed in claim 1, wherein: the yarn poking hook swinging driving mechanism is a driving motor, the yarn poking hook A and the yarn poking hook B are respectively connected with one driving motor, the lower parts of the yarn poking hook A and the yarn poking hook B are respectively connected with a motor shaft of the driving motor, and the driving motor is fixed on the front side of the connecting seat.
4. A weft yarn pullback device for a loom as claimed in claim 1, wherein: the weft yarn guide device comprises a yarn guide protection plate and magnetic hole adjusting sheets, the yarn guide protection plate is arranged on the upper plane of the mounting seat, an upper waist-shaped groove and a lower waist-shaped groove which are transversely arranged are formed in the surface, facing the nozzle, of the yarn guide protection plate, the magnetic hole adjusting sheets comprise two magnetic hole adjusting sheets, the two magnetic hole adjusting sheets are respectively arranged at the left end and the right end of the waist-shaped groove, and the first weft yarn and the second weft yarn respectively penetrate through the magnetic hole adjusting sheets at the left end and the right end.
5. A weft yarn pullback device for a loom as claimed in claim 4, wherein: the yarn guide guard plate is fixed on the mounting seat through a screw.
6. A weft yarn pullback device for a loom as claimed in claim 4, wherein: the magnetic hole adjusting sheet is fixed in a kidney-shaped groove at the lower part of the yarn guide guard plate through a screw.
7. A weft yarn pullback device for a loom as claimed in claim 4, wherein: in two kidney-shaped grooves on the yarn guide guard plate, the kidney-shaped groove at the upper part has large width, and the kidney-shaped groove at the lower part has small width.
8. A weft yarn pullback device for a loom as claimed in claim 4, wherein: the yarn guide guard plate is C-shaped, and two side surfaces are respectively provided with a baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985666.0U CN214655555U (en) | 2020-12-11 | 2020-12-11 | Weft yarn pulling-back device of weaving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985666.0U CN214655555U (en) | 2020-12-11 | 2020-12-11 | Weft yarn pulling-back device of weaving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214655555U true CN214655555U (en) | 2021-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022985666.0U Active CN214655555U (en) | 2020-12-11 | 2020-12-11 | Weft yarn pulling-back device of weaving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214655555U (en) |
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2020
- 2020-12-11 CN CN202022985666.0U patent/CN214655555U/en active Active
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