CN219280169U

CN219280169U - Stable weft insertion mechanism of rapier loom

Info

Publication number: CN219280169U
Application number: CN202320339253.6U
Authority: CN
Inventors: 马铭慧; 石岩松; 石亚飞
Original assignee: Baoding Lejia Textile Co ltd
Current assignee: Baoding Lejia Textile Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-06-30
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a stable weft insertion mechanism of a rapier loom, which comprises a base, wherein a vertical middle mounting plate is fixedly arranged in the middle of the base, vertical end mounting plates are fixedly arranged at two ends of the upper part of the base respectively, a transmission gear is rotatably arranged on the same side of the middle mounting plate and the two end mounting plates, and a driving motor is fixedly arranged at a position close to the middle mounting plate on the base; the base is fixed in the top of middle part mounting panel and is provided with the wefting insertion board, and the bottom of wefting insertion board is middle to begin to have the square groove, is located the upper end of the drive gear on the middle part mounting panel and extends to in the square groove, the inside slip of wefting insertion board is provided with the rapier, the fixed drive rack that is provided with of bottom of rapier with three drive gear looks adaptation. According to the utility model, the rapier is driven to move by a single motor, and besides the two ends of the rapier, acting force is applied to the rapier at a position close to the middle of the weft insertion plate, so that the weft insertion operation of the rapier is more stable.

Description

Stable weft insertion mechanism of rapier loom

Technical Field

The utility model relates to the technical field of rapier looms, in particular to a stable weft insertion mechanism of a rapier loom.

Background

The rapier loom is the most widely used shuttleless loom at present, has the characteristics of high speed, high automation degree and high efficiency production of the shuttleless loom, has strong variety adaptability in the positive weft insertion mode, and can adapt to weft insertion of various yarns. When the rapier loom works, the rapier drives the weft to move, so that the weft and the warp are interwoven, and the fabric can be woven conveniently. The weft insertion device of the rapier loom at the present stage is usually provided with a left rapier pulley and a right rapier pulley, and weaving is completed through continuous reciprocating motion of the rapier belts on the rapier pulleys, but because the rapier belt pulleys on two sides are driven by two different motors, and the driving force to the rapier mainly acts on the end part of the rapier, instability of the rapier belts during motion is easily caused, and the weaving effect is influenced, the stable weft insertion mechanism of the rapier loom is developed.

Disclosure of Invention

The utility model aims to provide a stable weft insertion mechanism of a rapier loom, which solves the technical problems mentioned in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to a stable weft insertion mechanism of a rapier loom, which comprises a base, wherein a vertical middle mounting plate is fixedly arranged in the middle of the base, vertical end mounting plates are fixedly arranged at two ends of the upper part of the base respectively, transmission gears are rotatably arranged on the same sides of the middle mounting plate and the two end mounting plates, and a driving motor for driving the three transmission gears to synchronously rotate is fixedly arranged at a position close to the middle mounting plate of the base; the base is in the fixed wefting insertion board that is provided with in top of middle part mounting panel, the beginning has the square groove in the middle of the bottom of wefting insertion board, is located on the middle part mounting panel the upper end of drive gear extends to in the square groove, the inside slip of wefting insertion board is provided with the rapier, the fixed drive rack that is provided with three of bottom of rapier drive gear looks adaptation.

Further, two ends of the bottom of the weft insertion plate are fixedly connected with the base through two vertical connecting plates.

Further, the middle mounting plate is rotatably provided with a driving shaft, the driving shaft of the driving motor is connected with one end of the driving shaft, the two end mounting plates are respectively rotatably provided with driven shafts, and the three transmission gears are respectively arranged on the driving shaft and the driven shafts.

Further, a double-layer chain wheel is arranged at the other end of the driving shaft, driven chain wheels are respectively arranged at one ends of the driven shafts corresponding to the double-layer chain wheels, and the driven chain wheels are respectively connected with the double-layer chain wheels through driving chains.

Compared with the prior art, the utility model has the beneficial technical effects that:

when the weft insertion device works, the three transmission gears are driven by the driving motor to synchronously rotate, so that the transmission racks and the rapier move along the straight line of the weft insertion plate to perform weft insertion operation. The rapier is driven to move through the single motor, and besides the two ends of the rapier, acting force is applied to the rapier at a position close to the middle of the weft insertion plate, so that weft insertion operation of the rapier is more stable.

Drawings

The utility model is further described with reference to the following description of the drawings.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

reference numerals illustrate: 1. a base; 2. a middle mounting plate; 3. an end mounting plate; 4. a transmission gear; 5. a driving motor; 6. a driving shaft; 7. a driven shaft; 8. a double layer sprocket; 9. a driven sprocket; 10. a drive chain; 11. weft insertion plates; 12. a connecting plate; 13. a square groove; 14. a rapier; 15. and (5) driving the rack.

Detailed Description

As shown in fig. 1-2, the stable weft insertion mechanism of the rapier loom comprises a base 1, wherein a vertical middle mounting plate 2 is fixedly arranged in the middle of the base 1 in a welding mode, and vertical end mounting plates 3 are fixedly arranged at two ends of the upper part of the base in a welding mode respectively. The transmission gears 4 are rotatably mounted on the same sides of the middle mounting plate 2 and the two end mounting plates 3, and the base 1 is fixedly mounted with a driving motor 5 for driving the three transmission gears 4 to synchronously rotate at a position close to the middle mounting plate 2.

In this embodiment, the middle mounting plate 2 is rotatably mounted with a driving shaft 6, and a driving shaft of the driving motor 5 is connected with one end of the driving shaft 6. The two end mounting plates are respectively rotatably provided with a driven shaft 7, and the three transmission gears 4 are respectively arranged on the driving shaft 6 and the driven shaft 7.

The other end of the driving shaft 6 is provided with a double-layer chain wheel 8, one ends of the driven shafts 7 corresponding to the double-layer chain wheel 8 are respectively provided with driven chain wheels 9, the two driven chain wheels 9 are identical to the double-layer chain wheel 8 in specification, and the two driven chain wheels 9 are respectively connected with the double-layer chain wheel 8 through a transmission chain 10.

The base 1 is fixedly provided with a weft insertion plate 11 above the middle mounting plate, and specifically: the two ends of the bottom of the weft insertion plate 11 are fixedly connected with the base 1 through two vertical connecting plates 12.

The middle of the bottom of the weft insertion plate 11 is provided with a square groove 13, and the upper end of the transmission gear 4 positioned on the middle mounting plate 2 extends into the square groove 13. The rapier 14 is slidably mounted in the weft insertion plate 11, and a transmission rack 15 matched with the three transmission gears 4 is fixedly mounted at the bottom of the rapier 14, namely, the transmission rack 15 is meshed with the upper ends of the three transmission gears 4.

When the weft insertion device works, the driving shaft is driven to rotate by the driving motor, and the two driven wheels are rotated by the rotating shaft in a chain transmission mode, so that the three transmission gears synchronously rotate to drive the transmission racks and the rapier to move along the straight line of the weft insertion plate for weft insertion operation.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A stable weft insertion mechanism of a rapier loom is characterized in that: the device comprises a base, wherein a vertical middle mounting plate is fixedly arranged in the middle of the base, vertical end mounting plates are fixedly arranged at two ends of the upper part of the base respectively, transmission gears are rotatably arranged on the same side of the middle mounting plate and the two end mounting plates, and a driving motor for driving the three transmission gears to synchronously rotate is fixedly arranged at a position close to the middle mounting plate of the base; the base is in the fixed wefting insertion board that is provided with in top of middle part mounting panel, the beginning has the square groove in the middle of the bottom of wefting insertion board, is located on the middle part mounting panel the upper end of drive gear extends to in the square groove, the inside slip of wefting insertion board is provided with the rapier, the fixed drive rack that is provided with three of bottom of rapier drive gear looks adaptation.

2. The stabilized weft insertion mechanism of a rapier loom according to claim 1, wherein: the two ends of the bottom of the weft insertion plate are fixedly connected with the base through two vertical connecting plates.

3. The stabilized weft insertion mechanism of a rapier loom according to claim 1, wherein: the middle mounting plate is rotatably provided with a driving shaft, the driving shaft of the driving motor is connected with one end of the driving shaft, the two end mounting plates are rotatably provided with driven shafts respectively, and the three transmission gears are arranged on the driving shaft and the driven shafts respectively.

4. A stabilized weft insertion mechanism for a rapier loom according to claim 3, wherein: the other end of the driving shaft is provided with a double-layer chain wheel, one ends of the driven shafts corresponding to the double-layer chain wheels are respectively provided with driven chain wheels, and the two driven chain wheels are respectively connected with the double-layer chain wheels through driving chains.