CN216919593U

CN216919593U - Selvedge clamping mechanism of air jet loom

Info

Publication number: CN216919593U
Application number: CN202122860324.0U
Authority: CN
Inventors: 秋金法
Original assignee: Shaoxing Yu Textile Warp Knitting Technology Co ltd
Current assignee: Shaoxing Yu Textile Warp Knitting Technology Co ltd
Priority date: 2021-11-20
Filing date: 2021-11-20
Publication date: 2022-07-08
Anticipated expiration: 2031-11-20

Abstract

A selvedge clamping mechanism of an air jet loom belongs to the technical field of textile equipment; through setting up fixture, the rotatory multiunit fixture that drives that utilizes the sprocket moves, realize fixture and remove along with the removal of cloth, through setting up the depression bar, because the upwards perk of front end of depression bar, the convenient downside of leading-in depression bar of drive division in with the upset strip, thereby realize the upset strip and carry out the perk along the rotation axis rotation, make things convenient for weft to spout into fixture, because the front end of depression bar is less than the rear end, and the length of drive division is good at to the length of clamping part, the front end of ejector pin aligns each other with the rear end of depression bar from top to bottom simultaneously, the returning face plate among the fixture is at the removal in-process, the clamping part descends gradually, the cooperation weft is spouted and is carried out the centre gripping to weft, the cooperation ejector pin carries out the top to the drive division in the returning face plate, the realization is tight to the clamp of weft.

Description

Selvedge clamping mechanism of air jet loom

Technical Field

The utility model belongs to the technical field of textile equipment, and particularly relates to a selvedge clamping mechanism of an air jet loom.

Background

In the process of weaving the fabric by using the air jet loom, the selvedges need to be stretched towards two sides to ensure that weft yarns of the fabric near a weaving opening are straight, so that the quality of the fabric is ensured, and the weaving process can be smoothly carried out. In the prior art, a temple mechanism is adopted for the selvage stretching of the air jet loom, and the purpose of stretching weft yarns is achieved by clamping two sides of fabric near a weaving opening and drawing the fabric to two sides. However, for low weft density fabrics, the warp and weft yarn bonding strength is low, which can cause the dislocation of the selvage warp and weft yarns, the deformation of fabric texture, the deterioration of selvage quality and even the failure of normal weaving.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides a selvedge clamping mechanism of an air jet loom.

The technical problem of the utility model is mainly solved by the following technical scheme: a selvage clamping mechanism of an air jet loom comprises an installation base plate, wherein two vertical plates are arranged on the upper surface of the installation base plate in parallel, an installation plate is erected between the upper ends of the two vertical plates and fixedly connected with the upper ends of the two vertical plates, a main rotating shaft is respectively arranged at the front end and the rear end of the installation plate, the two main rotating shafts are rotatably connected with the installation plate, a driving motor is arranged on the left side surface of the rear end of the installation plate, a driving shaft of the driving motor is fixedly connected with the main rotating shaft at the rear side, a chain wheel is fixedly connected on each of the two main rotating shafts, a transmission chain is connected between the two chain wheels, a plurality of groups of clamping groups are arranged on the transmission chain, each clamping group comprises an installation base connected with the transmission chain, two support plates are arranged on the upper surface of the installation base, and a rotating shaft is connected between the two support plates, the two ends of the rotating shaft are rotatably connected with the support plates on the two sides, the rotating shaft between the two support plates is provided with a plurality of overturning strips in parallel, each overturning strip comprises a clamping part and a driving part, the length of the clamping part is longer than that of the driving part, and the joint of the clamping part and the driving part is fixedly connected with the rotating shaft.

Preferably, a supporting plate is arranged on the right side face of the mounting plate between the two chain wheels, the upper surface of the supporting plate abuts against the transmission chain, a mounting support is arranged on the right side face of the supporting plate, a weft guider is arranged on the mounting support and comprises a lower inclined plate connected with the mounting support, a connecting plate is arranged at the front end of the lower inclined plate, an upper inclined plate is arranged at the upper end of the connecting plate, and a V-shaped guide groove is formed by the upper inclined plate and the lower inclined plate.

Preferably, the front end of the upper surface of the mounting plate is provided with three groups of first support frames, a pressure lever is connected between the three groups of first support frames, the front end of the pressure lever is tilted upwards, the front end part of the pressure lever is lower than the rear end part, and the rear end of the pressure lever is aligned with the weft guide left and right.

Preferably, three groups of second support frames are arranged on the mounting plate behind the three groups of first support frames, an ejector rod is erected among the three groups of second support frames, the upper surface of the ejector rod is attached to the lower side of the driving part in the plurality of turnover strips, and the front end of the ejector rod is aligned with the upper and lower positions of the rear end of the pressure rod.

The utility model has the following beneficial effects: through setting up fixture, the rotatory multiunit fixture that drives that utilizes the sprocket moves, realize fixture and remove along with the removal of cloth, through setting up the depression bar, because the upwards perk of front end of depression bar, the convenient downside of leading-in depression bar of drive division in with the upset strip, thereby realize the upset strip and carry out the perk along the rotation axis rotation, make things convenient for weft to spout into fixture, because the front end of depression bar is less than the rear end, and the length of drive division is good at to the length of clamping part, the front end of ejector pin aligns each other with the rear end of depression bar from top to bottom simultaneously, the returning face plate among the fixture is at the removal in-process, the clamping part descends gradually, the cooperation weft is spouted and is carried out the centre gripping to weft, the cooperation ejector pin carries out the top to the drive division in the returning face plate, the realization is tight to the clamp of weft.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a left side view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a vertical plate; 2. mounting a plate; 3. a main rotating shaft; 4. a drive motor; 5. a drive chain; 6. installing a base; 7. A support plate; 8. a rotating shaft; 9. turning over the strips; 10. a clamping portion; 11. a drive section; 12. a support plate; 13. mounting a bracket; 14. a weft guide; 15. a lower sloping plate; 16. a connecting plate; 17. an upper sloping plate; 18. a V-shaped guide groove; 19. a first support frame; 20. a pressure lever; 21. a second support frame; 22. a top rod; 23. mounting a bottom plate; 24. and a sprocket.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

Example (b): a selvedge clamping mechanism of an air jet loom is shown in figures 1-3 and comprises an installation bottom plate 23, wherein two vertical plates 1 are arranged on the upper surface of the installation bottom plate 23 in parallel, an installation plate 2 is erected between the upper ends of the two vertical plates 1, the installation plate 2 is fixedly connected with the upper ends of the two vertical plates 1, a main rotating shaft 3 is respectively arranged at the front end and the rear end of the installation plate 2, the two main rotating shafts 3 are rotatably connected with the installation plate 2, a driving motor 4 is arranged on the left side surface of the rear end of the installation plate 2, a driving shaft of the driving motor 4 is fixedly connected with the main rotating shaft 3 at the rear side, a chain wheel 24 is fixedly connected onto each of the two main rotating shafts 3, a transmission chain 5 is connected between the two chain wheels 24, a plurality of clamping groups are arranged on the transmission chain 5, each clamping group comprises an installation base 6 connected with the transmission chain 5, the upper surface of the mounting base 6 is provided with two support plates 7, a rotating shaft 8 is connected between the two support plates 7, two ends of the rotating shaft 8 are rotatably connected with the support plates 7 on two sides, a plurality of overturning strips 9 are arranged between the two support plates 7 in parallel, each overturning strip 9 comprises a clamping portion 10 and a driving portion 11, the length of the clamping portion 10 is longer than that of the driving portion 11, and the connecting position of the clamping portion 10 and the driving portion 11 is fixedly connected with the rotating shaft 8.

A supporting plate 12 is arranged on the right side face of the mounting plate 2 between the two chain wheels 24, the upper surface of the supporting plate 12 is abutted against the transmission chain 5, a mounting bracket 13 is arranged on the right side face of the supporting plate 12, a weft guide 14 is arranged on the mounting bracket 13, the weft guide 14 comprises a lower inclined plate 15 connected with the mounting bracket 13, a connecting plate 16 is arranged at the front end of the lower inclined plate 15, an upper inclined plate 17 is arranged at the upper end of the connecting plate 16, and a V-shaped guide groove 18 is formed by the upper inclined plate 17 and the lower inclined plate 15; the front end of the upper surface of the mounting plate 2 is provided with three groups of first support frames 19, a pressure lever 20 is connected between the three groups of first support frames, the front end of the pressure lever 20 is tilted upwards, the front end part of the pressure lever 20 is lower than the rear end part, and the rear end of the pressure lever 20 is aligned with the position of the weft guide 14 in a left-right mode; three groups of second support frames 21 are arranged on the mounting plate 2 behind the first support frame 19, an ejector rod 22 is erected between the three groups of second support frames 21, the upper surface of the ejector rod 22 is attached to the lower side of the driving part 11 in the turnover strips 9, and the upper and lower positions of the front end of the ejector rod 22 and the rear end of the pressing rod 20 are aligned with each other.

The principle of the utility model is as follows: firstly, the clamping mechanism is integrally arranged on the right side of the loom, the position of a weft guide 14 is aligned with the position of a weft, a driving motor 4 is started to rotate, the moving speed of a clamping group is adjusted to be consistent with the moving speed of a warp in the loom, when the clamping group moves, the clamping group on the lower side of a transmission chain 5 rotates to the upper side through a chain wheel 24 on the rear side, a driving part 11 in an overturning strip 9 is pressed below a pressure rod 20, the overturning strip 9 rotates along a rotating shaft 8, a clamping part 10 tilts upwards, the clamping group moves backwards along with the transmission chain 5, as the front end part of the pressure rod 20 is lower than the rear end part, the clamping part 10 gradually approaches the weft guide 14, the clamping part 10 gradually lowers, when the weft is sprayed into the clamping group through the weft guide 14, the clamping part 10 compresses the weft, the front end of a top rod 22 is aligned with the upper position and the lower position of the rear end of the pressure rod 20, the top rod 22 tightly pushes the overturning strip 9 from the lower side of the driving part 11, the clamping group clamps the weft to move backwards, when the clamping group is separated from the ejector rod 22, the overturning strip 9 loses clamping force, the weft is separated from the clamping group through self elasticity, at the moment, a plurality of weft yarns are overlapped, the binding strength of the warp and weft yarns is higher, and the phenomenon of weft shrinkage cannot be generated at the edge of the cloth.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the utility model is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.

Claims

1. The utility model provides an air jet loom selvedge fixture, includes mounting plate (23), its characterized in that: the upper surface of the mounting bottom plate (23) is provided with two vertical plates (1) in parallel, a mounting plate (2) is erected between the upper ends of the two vertical plates (1), the mounting plate (2) is fixedly connected with the upper ends of the two vertical plates (1), the front end and the rear end of the mounting plate (2) are respectively provided with a main rotating shaft (3), the two main rotating shafts (3) are rotatably connected with the mounting plate (2), the left side surface of the rear end of the mounting plate (2) is provided with a driving motor (4), a driving shaft of the driving motor (4) is fixedly connected with the main rotating shaft (3) at the rear side, the two main rotating shafts (3) are respectively and fixedly connected with a chain wheel (24), a transmission chain (5) is connected between the two chain wheels (24), a plurality of clamping groups are arranged on the transmission chain (5), each clamping group comprises a mounting base (6) connected with the transmission chain (5), the upper surface of installation base (6) is equipped with two extension boards (7), two be connected with a rotation axis (8) between extension board (7), the both ends of rotation axis (8) are rotated with extension board (7) of both sides and are connected, two rotation axis (8) between extension board (7) are equipped with polylith upset strip (9) side by side, upset strip (9) are including clamping part (10) and drive division (11), the length of drive division (11) is good at to the length of clamping part (10), the junction and rotation axis (8) fixed connection of clamping part (10) and drive division (11).

2. An air jet loom selvedge holding mechanism according to claim 1, characterized in that: two be equipped with a backup pad (12) on mounting panel (2) right flank between sprocket (24), the upper surface of backup pad (12) supports on driving chain (5), be equipped with one installing support (13) on the right flank of backup pad (12), be equipped with a weft guide (14) on installing support (13), weft guide (14) include one lower swash plate (15) of being connected with installing support (13), the front end of lower swash plate (15) is equipped with one connecting plate (16), the upper end of connecting plate (16) is equipped with one and goes up swash plate (17), it forms a V-arrangement guide way (18) with lower swash plate (15) to go up swash plate (17).

3. An air jet loom selvedge holding mechanism according to claim 2, characterized in that: the front end of mounting panel (2) upper surface is equipped with three first support frames of group (19), and is three groups be connected with a depression bar (20) between the first support, the perk upwards is made to the front end of depression bar (20), the front end portion of depression bar (20) is less than the back end portion, align about the position of the rear end of depression bar (20) and weft guide (14).

4. An air jet loom selvedge holding mechanism according to claim 3, characterized in that: the three-group mounting structure is characterized in that three groups of second supporting frames (21) are arranged on the mounting plate (2) on the rear side of the first supporting frame (19), an ejector rod (22) is erected between the three groups of second supporting frames (21), the upper surface of the ejector rod (22) is attached to the lower side of the driving portion (11) in the plurality of turnover strips (9), and the upper and lower positions of the front end of the ejector rod (22) and the rear end of the pressing rod (20) are aligned with each other.