CN216550842U

CN216550842U - Spinning tensioning mechanism suitable for chemical fiber tows of different specifications

Info

Publication number: CN216550842U
Application number: CN202122716339.XU
Authority: CN
Inventors: 叶小波; 方斌; 胡志钢; 许强; 唐林
Original assignee: Hubei Xinyang Special Fiber Co ltd
Current assignee: Hubei Xinyang Special Fiber Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-17
Anticipated expiration: 2031-11-08

Abstract

The utility model provides a spinning tensioning mechanism suitable for chemical fiber tows of different specifications, which comprises a frame plate, wherein a first supporting shaft and a second supporting shaft are fixed on the upper part of the front surface of the frame plate in parallel, and a first roller is rotatably arranged on the first supporting shaft; a second roller is rotatably arranged on the second supporting shaft; a crank arm mounting shaft is rotatably supported on the outer side wall of the frame plate and is positioned right below the second support shaft through a rotating shaft supporting structure, a crank arm is fixedly mounted on the crank arm mounting shaft, and a third roller is rotatably mounted at the bottom end of the crank arm through a third support shaft; and a counterweight mechanism is installed at the top end of the crank arm. The tensioning mechanism can facilitate the adjustment of the tensioning force, and further facilitate the adjustment of the tensioning force of the tows, so that the tensioning mechanism can adapt to the production requirements of tows of different specifications.

Description

Spinning tensioning mechanism suitable for chemical fiber tows of different specifications

Technical Field

The utility model belongs to the field of chemical fiber spinning equipment, and particularly relates to a spinning tensioning mechanism suitable for chemical fiber tows of different specifications.

Background

In the lyocel spinning process, the initial tows need to be properly tensioned to ensure the performance of the tows, wherein the required tensioning force is different for tows with different thickness specifications. At present, the adopted tensioning mechanism is of a fixed structure, the tensioning force is always constant, the adjustment of the tensioning force is inconvenient, and particularly, the tensioning mechanism needs to be readjusted when the specifications of tows of different specifications are switched, so that the spinning production efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the spinning tensioning mechanism suitable for the chemical fiber tows in different specifications, and the tensioning mechanism can facilitate the adjustment of the tensioning force, so that the tensioning force of the tows can be adjusted conveniently, and the spinning tensioning mechanism can meet the production requirements of the tows in different specifications.

In order to achieve the technical features, the utility model is realized as follows: the spinning tensioning mechanism is suitable for chemical fiber tows of different specifications and comprises a frame plate, wherein a first supporting shaft and a second supporting shaft are fixed on the upper part of the front surface of the frame plate in parallel, and a first roller is rotatably mounted on the first supporting shaft; a second roller is rotatably arranged on the second supporting shaft; a crank arm mounting shaft is rotatably supported on the outer side wall of the frame plate and is positioned right below the second support shaft through a rotating shaft supporting structure, a crank arm is fixedly mounted on the crank arm mounting shaft, and a third roller is rotatably mounted at the bottom end of the crank arm through a third support shaft; and a counterweight mechanism is installed at the top end of the crank arm.

A first cross beam and a second cross beam are fixedly arranged at two ends of the back of the frame plate respectively; when the spinning machine is used, the first cross beam and the second cross beam are fixedly connected with a frame of the spinning machine.

The pivot bearing structure supports the sleeve including fixing the pivot on frame board back lateral wall, the first bearing rotation that the installation axle of cranking arm arranged through the symmetry parallel supports the inside at the pivot support sleeve, the first bearing passes through the spacing inside of fixing at the pivot support sleeve of bearing end cover, first lock nut is installed to the axle head of the installation axle of cranking arm.

The middle corner part of the crank arm is fixed on the crank arm mounting shaft through a long bolt.

The counterweight mechanism comprises a counterweight rod, the end of the counterweight rod is fixedly installed at the end of the crank arm through an end thread section, a second locking nut is fixedly sleeved on the end thread section, and a counterweight block is fixedly installed on the counterweight rod through a positioning nut.

The structure that all adopts the same between third running roller and the third back shaft, between second running roller and second back shaft and first running roller and the first back shaft, third running roller, second running roller and first running roller all correspond respectively and rotate through second bearing and third bearing and support third back shaft, second back shaft and first back shaft epaxially.

And the second bearing is limited and fixed through a third locking nut.

The utility model has the following beneficial effects:

1. the tensioning mechanism can facilitate the adjustment of the tensioning force, and further facilitate the adjustment of the tensioning force of the tows, so that the tensioning mechanism can adapt to the production requirements of tows of different specifications. In the specific adjusting process, the position of the crank arm can be changed by changing the mounting position of the counterweight block of the counterweight mechanism, so that the purpose of adjusting the position of the third roller is achieved, and the compression adjustment of tows is realized.

2. The mounting structure can be used for connecting the whole frame plate with the spinning machine, and then the spinning machine is matched to realize spinning operation.

3. Through foretell pivot bearing structure can be used for rotating to crank arm installation axle and support, and then has guaranteed its rotation that can be smooth, and then reach the purpose that changes crank arm position.

4. Can carry out reliable fixed to the crank arm through foretell fixed knot structure, and then guarantee that the crank arm can follow the smooth rotation of crank arm installation axle.

5. The counterweight mechanism can be used for adjusting the mounting position of the crank arm, so that the purpose of adjusting the position of the third roller is achieved, the tows are conveniently compressed and adjusted, and finally the purpose of adjusting the tensioning force of the tows is achieved.

6. Through foretell looks isostructure guaranteed the rotation that third running roller, second running roller and first running roller can be smooth and easy, guaranteed the normal direction of silk bundle.

Drawings

The utility model is further illustrated by the following examples in conjunction with the drawings.

FIG. 1 is a first perspective three-dimensional view of the present invention.

FIG. 2 is a first perspective three-dimensional view of the present invention.

FIG. 3 is a first perspective three-dimensional view of the present invention.

Fig. 4 is a front view of the present invention.

FIG. 5 is a view A-A of FIG. 4 according to the present invention.

In the figure: the device comprises a first cross beam 1, a frame plate 2, a first support shaft 3, a first roller 4, a second support shaft 5, a second roller 6, a crank arm mounting shaft 7, a shaft support structure 8, a crank arm 9, a second locking nut 10, a balancing weight 11, a positioning nut 12, a balancing weight rod 13, a second cross beam 14, a wire bundle 15, a third roller 16, a third support shaft 17, a third bearing 18, a second bearing 19, a third locking nut 20, a rotation shaft support sleeve 21, a first bearing 22, a bearing end cover 23, a first locking nut 24, an end threaded section 25 and a long bolt 26.

Detailed Description

Embodiments of the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-5, the spinning tensioning mechanism suitable for chemical fiber tows of different specifications comprises a frame plate 2, wherein a first supporting shaft 3 and a second supporting shaft 5 are fixed on the upper part of the front surface of the frame plate 2 in parallel, and a first roller 4 is rotatably mounted on the first supporting shaft 3; a second roller 6 is rotatably arranged on the second supporting shaft 5; a crank arm mounting shaft 7 is rotatably supported on the outer side wall of the frame plate 2 and is positioned under the second support shaft 5 through a rotary shaft support structure 8, a crank arm 9 is fixedly mounted on the crank arm mounting shaft 7, and a third roller 16 is rotatably mounted at the bottom end of the crank arm 9 through a third support shaft 17; and a counterweight mechanism is arranged at the top end of the crank arm 9. The tensioning mechanism can facilitate the adjustment of the tensioning force, and further facilitate the adjustment of the tensioning force of the tows, so that the tensioning mechanism can adapt to the production requirements of tows of different specifications. In the specific adjusting process, the pressing degree of the crank arm 9 can be changed by changing the counterweight mechanism, so that the tensioning adjustment of the tows can be adjusted.

Further, a first cross beam 1 and a second cross beam 14 are respectively and fixedly mounted at two ends of the back of the frame plate 2; when in use, the first beam 1 and the second beam 14 are fixedly connected with a frame of a spinning machine. The mounting structure can be used for connecting the whole frame plate 2 with the spinning machine, and then the spinning machine is matched to realize spinning operation.

Further, the rotating shaft supporting structure 8 comprises a rotating shaft supporting sleeve 21 fixed on the back side wall of the frame plate 2, the crank arm mounting shaft 7 is rotatably supported inside the rotating shaft supporting sleeve 21 through first bearings 22 symmetrically arranged in parallel, the first bearings 22 are fixed inside the rotating shaft supporting sleeve 21 in a limiting manner through bearing end covers 23, and a first locking nut 24 is mounted at the shaft end of the crank arm mounting shaft 7. Through foretell pivot bearing structure 8 can be used for rotating to crank arm installation axle 7 and support, and then guaranteed its rotation that can be smooth, and then reach the purpose that changes crank arm 9 position. In a specific working process, the crank arm mounting shaft 7 can smoothly rotate under the action of the first bearing 22.

Furthermore, the middle corner part of the crank arm 9 is fixed on the crank arm mounting shaft 7 through a long bolt 26. Can carry out reliable fixed to crank arm 9 through foretell fixed knot structure, and then guarantee that crank arm 9 can follow the smooth rotation of crank arm installation axle 7.

Further, the counterweight mechanism includes counterweight rod 13, counterweight rod 13's end passes through end screw thread section 25 fixed mounting at the end of crank arm 9, the suit is fixed with second lock nut 10 on the end screw thread section 25, counterweight rod 13 passes through set nut 12 fixed mounting and has balancing weight 11. The counterweight mechanism can be used for adjusting the mounting position of the crank arm 9, so that the purpose of adjusting the position of the third roller 16 is achieved, the tows 15 are conveniently compressed and adjusted, and the purpose of adjusting the tensile force of the tows 15 is finally achieved. In the specific adjusting process, the position of the counterweight block 11 on the counterweight rod 13 is adjusted, and the final position of the counterweight block is locked through the positioning nut 12.

Further, the same structure is adopted between third roller 16 and third back shaft 17, between second roller 6 and second back shaft 5 and first roller 4 and first back shaft 3, third roller 16, second roller 6 and first roller 4 all correspond respectively and rotate through second bearing 19 and third bearing 18 and support on third back shaft 17, second back shaft 5 and first back shaft 3. Through the same structure, the third roller 16, the second roller 6 and the first roller 4 can rotate smoothly, and the normal guiding of tows is guaranteed. The second bearing 19 and the third bearing 18 ensure that the roller can finally rotate smoothly.

Further, the second bearing 19 is limited and fixed by a third lock nut 20. The second bearing 19 can be reliably restrained by the third lock nut 20 described above.

The use method of the utility model comprises the following steps:

in the spinning process, the nascent fiber bundle sequentially bypasses the first roller 4, the third roller 16 and the second roller 6 after passing through a cooling bath, then the position of the balancing weight 11 on the counterweight rod 13 is adjusted according to the required tensile force, after the adjustment of the nascent fiber bundle is completed, the final position of the nascent fiber bundle is locked through the positioning nut 12, the position of the crank arm 9 is adjusted through the balancing weight 11, and the purpose of adjusting the tensioning degree of the fiber bundle 15 is achieved.

Claims

1. Adapt to spinning straining device of different specification chemical fibre tows, its characterized in that: the device comprises a frame plate (2), wherein a first supporting shaft (3) and a second supporting shaft (5) are fixed on the upper part of the front surface of the frame plate (2) in parallel, and a first roller (4) is rotatably mounted on the first supporting shaft (3); a second roller (6) is rotatably arranged on the second supporting shaft (5); a crank arm mounting shaft (7) is rotatably supported on the outer side wall of the frame plate (2) and is positioned right below the second support shaft (5) through a rotating shaft supporting structure (8), a crank arm (9) is fixedly mounted on the crank arm mounting shaft (7), and a third roller (16) is rotatably mounted at the bottom end of the crank arm (9) through a third support shaft (17); and a counterweight mechanism is arranged at the top end of the crank arm (9).

2. The spinning tensioning mechanism suitable for chemical fiber tows of different specifications in claim 1 is characterized in that: a first cross beam (1) and a second cross beam (14) are fixedly mounted at two ends of the back of the frame plate (2) respectively; when the spinning machine is used, the first cross beam (1) and the second cross beam (14) are fixedly connected with a frame of the spinning machine.

3. The spinning tensioning mechanism suitable for chemical fiber tows of different specifications in claim 1 is characterized in that: pivot bearing structure (8) are including fixing pivot support sleeve (21) on frame board (2) back lateral wall, the inside of support sleeve (21) is supported in the pivot to first bearing (22) rotation support that crank arm installation axle (7) arranged through the symmetry in parallel, first bearing (22) are fixed in the inside of support sleeve (21) of pivot through bearing end cover (23) are spacing, first lock nut (24) are installed to the axle head of crank arm installation axle (7).

4. The spinning tensioning mechanism suitable for chemical fiber tows of different specifications in claim 3 is characterized in that: the middle corner part of the crank arm (9) is fixed on the crank arm mounting shaft (7) through a long bolt (26).

5. The spinning tensioning mechanism suitable for chemical fiber tows of different specifications in claim 1 is characterized in that: the counter weight mechanism includes counter weight pole (13), the end of counter weight pole (13) passes through end screw thread section (25) fixed mounting at the end of cranking arm (9), the suit is fixed with second lock nut (10) on end screw thread section (25), counter weight pole (13) have balancing weight (11) through set nut (12) fixed mounting.

6. The spinning tensioning mechanism suitable for chemical fiber tows of different specifications in claim 1 is characterized in that: between third running roller (16) and third back shaft (17), all adopt the same structure between second running roller (6) and second back shaft (5) and first running roller (4) and first back shaft (3), all correspond respectively through second bearing (19) and third bearing (18) and rotate and support on third back shaft (17), second back shaft (5) and first back shaft (3) third running roller (16), second running roller (6) and first running roller (4).

7. The spinning tensioning mechanism suitable for chemical fiber tows in different specifications of claim 6 is characterized in that: the second bearing (19) is limited and fixed through a third locking nut (20).