CN218812429U

CN218812429U - Cloth tensioning device of air jet loom

Info

Publication number: CN218812429U
Application number: CN202223607776.9U
Authority: CN
Inventors: 杨鑫忠; 梁文波; 盛黎栋
Original assignee: Zhejiang Xingyao Textile Machinery Co ltd
Current assignee: Zhejiang Xingyao Textile Machinery Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-07
Anticipated expiration: 2032-12-28

Abstract

The utility model belongs to the technical field of air jet loom and specifically relates to a cloth overspeed device tensioner of air jet loom is related to, which comprises a frame, it is first tensioning roller and the second tensioning roller of horizontally to slide to install through two glide machanism in the frame, the direction of sliding of first tensioning roller and second tensioning roller all is the level and perpendicular with the length direction of first tensioning roller, first tensioning roller and second tensioning roller distribute along vertical direction and first tensioning roller is located second tensioning roller top, be provided with the driving piece that is used for driving first tensioning roller and second tensioning roller and slides in the frame. The cloth bypasses the first tensioning roller and the second tensioning roller in sequence and passes through the space between the first tensioning roller and the second tensioning roller, when the distance between the first tensioning roller and the second tensioning roller is increased, the cloth tensioning effect is three times that of the original tensioning device, and the tensioning to the elastic cloth is effectively improved.

Description

Cloth tensioning device of air jet loom

Technical Field

The application relates to the field of air jet looms, in particular to a cloth tensioning device of an air jet loom.

Background

The air jet loom is a shuttleless loom which adopts jet airflow to pull weft yarns to pass through a shed, and the operating principle is that air is used as a weft insertion medium, the jetted compressed airflow generates friction traction on the weft yarns to pull the weft yarns, the weft yarns are taken through the shed, and the purpose of weft insertion is achieved through jet flow generated by air jet. After the cloth is woven, the cloth needs to be wound, the tension degree of the cloth has great influence on the winding quality of the cloth in the winding process, and if the tension is too large, the cloth can be stretched and deformed; and when the tension is too low, the stress between layers of the coiled cloth is deformed, so that the coiling is irregular, and the processing quality is influenced.

Traditional cloth overspeed device tensioner includes the tensioning roller of two horizontal distributions, and the tensioning roller is installed in the frame through the vertical slip of the slider of vertical slip, and threaded connection has vertical threaded rod on the slider, and rotation through the threaded rod is in order to drive the tensioning roller and slide in vertical direction, and then adjusts cloth tensioning degree.

But at the in-process of tensioning, mainly through increasing the tensioning degree in order to increase the cloth between two tensioning rollers, and tensioning roller and the distance change of advancing between the cloth department less, the elasticity disparity of different cloths is great, but the altitude mixture control that the tensioning roller vertically slided is shorter, makes cloth overspeed device tensioner when the better cloth of tensioning elasticity, can not be with the cloth tensioning to effectual tensioning degree.

SUMMERY OF THE UTILITY MODEL

In order to improve the difficult tensioning of elasticity cloth to the problem of effective tensioning degree, this application provides an air jet loom's cloth overspeed device tensioner.

The application provides a cloth overspeed device tensioner of air jet loom adopts following technical scheme:

the utility model provides an air jet loom's cloth overspeed device tensioner, includes the frame, slide through two glide machanisms in the frame and install and be horizontally first tensioning roller and second tensioning roller, first tensioning roller with the slip direction of second tensioning roller all be the level and with the length direction of first tensioning roller is perpendicular, first tensioning roller with the second tensioning roller distributes just along vertical direction first tensioning roller is located second tensioning roller top, be provided with in the frame and be used for the drive first tensioning roller with the driving piece that second tensioning roller slided.

Through adopting above-mentioned technical scheme, first tensioning roller and second tensioning roller are walked around in proper order to the cloth to pass from between first tensioning roller and the second tensioning roller, when the distance between first tensioning roller and the second tensioning roller increases, cloth tensioning effect is the triple of former tensioning device, has improved the tensioning to the elasticity cloth effectively.

Optionally, rotate in the frame and install two mounting brackets, connect through the connecting rod between two mounting brackets, the axis of rotation of mounting bracket with first tensioning roller is parallel, two the mounting bracket is followed the length direction of first tensioning roller distributes, two glide machanism one-to-one is installed two on the mounting bracket, be provided with in the frame and be used for the drive mounting bracket pivoted first motor.

Through adopting above-mentioned technical scheme, rotate the mounting bracket in order to change first tensioning roller and advance the distance between the cloth department, and then finely tune the tensioning degree of cloth, improved the accuracy nature that cloth tensioning degree adjusted effectively, and then reduced the possibility that the cloth damaged when the rolling.

Optionally, the glide machanism includes gear, first rack and second rack, gear revolve installs on the mounting bracket, just the axis of rotation of gear with the axis of rotation of mounting bracket is parallel, first rack with the second rack is parallel to each other and all with gear engagement, just first tensioning roller tip with second tensioning roller tip rotates respectively to be installed first rack with on the second rack, the driving piece includes the second motor, the second motor install arbitrary on the mounting bracket and with gear drive connects.

Through adopting above-mentioned technical scheme, the gear all meshes with first rack and second rack, promotes first rack and second rack and moves towards opposite direction when making gear revolve, has improved the speed of distance adjustment between first tensioning roller and the second tensioning roller, and then has improved the efficiency of cloth tensioning.

Optionally, a first slide rail and a second slide rail which are parallel to each other are arranged on the mounting frame, a first slide groove and a second slide groove are respectively formed in the surfaces of the first slide rail and the second slide rail which are opposite to each other, the first slide groove and the second slide groove are both T-shaped grooves, a first slider and a second slider are respectively installed in the first slide groove and the second slide groove in a sliding manner, the first slider and the second slider are both T-shaped blocks and are matched with the T-shaped grooves, and the first rack and the second rack are respectively connected with the first slider and the second slider.

Through adopting above-mentioned technical scheme, the T-slot of T-shaped piece is mutually supported, has reduced the slider along the length direction roll-off's of perpendicular to slide rail possibility, has improved the stationarity that the rack slided, and the tooth of rack only with gear engagement, compare in setting into the spout with the rack inlays, reduced the rack effectively because of the friction draw the possibility of damaging, and then improved the life of rack.

Optionally, a first guide groove is formed in a side wall of the first slide rail, a length direction of the first guide groove is parallel to a length direction of the first slide rail, and an end of the first tensioning roller penetrates through the first guide groove and is rotatably connected with the first slide block; the second slide rail is characterized in that a second guide groove is formed in the side wall of the second slide rail, the length direction of the second guide groove is parallel to that of the second slide rail, and the end part of the second tensioning roller penetrates through the second guide groove and is rotatably connected with the second slide block.

Through adopting above-mentioned technical scheme, with the end connection of tensioning roller on the slider, make the cloth support through the spout lateral wall on transmitting to the slider the power of tensioning roller, if with tensioning roller lug connection on the rack, increased the pressure between gear and the rack, reduced the life of rack.

Optionally, a detection mechanism for detecting the cloth tensioning degree is arranged on the frame.

Through adopting above-mentioned technical scheme, detection mechanism detects the rate of tension of cloth, and then is convenient for adjust the cloth rate of tension.

Optionally, the detection mechanism includes that vertical sliding is installed detection roller in the frame, detection roller both ends all are provided with and are vertical slide bar, the slide bar is slided and is installed in the frame, the slide bar with be provided with pressure sensor between the frame, the slide bar tip with pressure sensor supports and presses, pressure sensor with through the electricity connection between the first motor.

Through adopting above-mentioned technical scheme, the cloth supports to pressing to detecting the roller, and detecting the roller with pressure transmission to pressure sensor department, then with electric signal conduction to first motor department and then to first motor formation control again, rotates through the mounting bracket and carries out the fine setting of cloth rate of tension, has improved the efficiency of controlling cloth rate of tension.

Optionally, the slide bar is located below the detection roller, a clamping block is arranged on the slide bar, a spring is sleeved on the slide bar, and two ends of the spring are respectively abutted to the clamping block and the rack.

Through adopting above-mentioned technical scheme, when not carrying out the cloth tensioning, the spring is mentioned the slide bar and is made slide bar and pressure sensor separation, has reduced pressure sensor's pressurized time, and then has improved pressure sensor's life.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the gear drives the rack to rapidly adjust the tension degree, and the mounting rack rotates to finely adjust the tension degree, so that the precision of the tension degree is improved while the adjustment efficiency is improved, and the possibility of cloth damage is reduced;

2. pressure sensor carries out real-time detection to the cloth rate of tension to finely tune through first motor, control cloth keeps certain rate of tension at the rolling in-process, has improved the rolling effect of whole cloth.

Drawings

Fig. 1 is a schematic perspective view of the present application.

Fig. 2 is a perspective side view of the present application.

Fig. 3 is a partial cross-sectional view of the detection apparatus of the present application.

Fig. 4 is a schematic perspective view of the sliding mechanism of the present application.

Fig. 5 is a partial cross-sectional view at the mounting frame of the present application.

Reference numerals: 1. a frame; 11. a mounting frame; 111. a connecting rod; 112. a first tension roller; 113. a second tension roller; 12. a first motor; 2. a sliding mechanism; 21. a gear; 22. a first rack; 23. a second rack; 3. a second motor; 4. a first slide rail; 41. a first chute; 42. a first slider; 43. a first guide groove; 5. a second slide rail; 51. a second chute; 52. a second slider; 53. a second guide groove; 6. a detection mechanism; 61. mounting a column; 62. mounting grooves; 63. mounting holes; 64. a detection roller; 65. a slide bar; 66. a clamping block; 67. a spring; 68. a pressure sensor; 7. and (4) distributing.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses air jet loom's cloth overspeed device tensioner, refer to fig. 1 and 2, including frame 1, detection mechanism 6, second tensioning roller 113 and first tensioning roller 112 have set gradually along the direction of cloth 7 motion in frame 1, and first tensioning roller 112 is located second tensioning roller 113 top, and cloth 7 tip passes through detection mechanism 6 earlier, then bypasses from first tensioning roller 112 top, again passes between first tensioning roller 112 and second tensioning roller 113, then bypasses from second tensioning roller 113 below, carries out the rolling of cloth 7 at last.

Referring to fig. 1 and 3, the detection mechanism 6 includes two mounting posts 61 fixedly mounted on the frame 1, the two mounting posts 61 are vertical and distributed along the width direction of the fabric 7, mounting grooves 62 are vertically and downwardly formed on the top walls of the two mounting posts 61, pressure sensors 68 are fixedly mounted at the bottoms of the mounting grooves 62, mounting holes 63 are formed on the opposite side walls of the two mounting posts 61, the mounting holes 63 are communicated with the bottoms of the mounting grooves 62, so that the pressure sensors 68 can be conveniently detached and mounted, slide bars 65 are vertically slidably mounted in the mounting grooves 62, and the bottom ends of the slide bars 65 are pressed against the pressure sensors 68 when the fabric 7 is rolled; a clamping block 66 is convexly arranged on the side wall of the sliding rod 65, the clamping block 66 is positioned above the mounting column 61, a spring 67 is sleeved on the sliding rod 65, the spring 67 is positioned between the clamping block 66 and the mounting column 61, and when the cloth 7 is not wound, the sliding rod 65 is lifted up through the spring 67, so that the bottom end of the sliding rod 65 is separated from the pressure sensor 68; the top ends of the sliding rods 65 are rotatably provided with horizontal detection rollers 64, two ends of each detection roller 64 are rotatably connected with the top ends of the two sliding rods 65 respectively, and the cloth 7 bypasses above the detection rollers 64 and is abutted against the detection rollers 64.

Referring to fig. 1 and 2, two mounting frames 11 are coaxially and rotatably mounted on a rack 1, the rotation axis of each mounting frame 11 is parallel to the width direction of a fabric 7, the two mounting frames 11 are connected through two horizontal connecting rods 111, two ends of each connecting rod 111 are respectively fixedly connected with the two mounting frames 11, a first motor 12 is fixedly mounted on each mounting frame 11, and an output shaft of each first motor 12 is in transmission connection with any one of the mounting frames 11; all be provided with glide machanism 2 on two mounting brackets 11, first tensioning roller 112 tip and the 113 tip of second tensioning roller all slide through glide machanism 2 and install on mounting bracket 11, and be provided with the driving piece that is used for driving first tensioning roller 112 and the 113 slides of second tensioning roller on arbitrary mounting bracket 11.

Referring to fig. 4 and 5, the sliding mechanism 2 includes a first slide rail 4 and a second slide rail 5 fixedly mounted on the mounting frame 11, the first slide rail 4 and the second slide rail 5 are parallel to each other, the connecting rod 111 is located between the first slide rail 4 and the second slide rail 5, a first sliding slot 41 and a second sliding slot 51 are respectively formed in the opposite side walls of the first slide rail 4 and the second slide rail 5 along the length direction of the first slide rail 4, the cross sections of the first sliding slot 41 and the second sliding slot 51 are both T-shaped, a T-shaped first sliding block 42 is slidably mounted in the first sliding slot 41, a first guide slot 43 is formed in the side wall of the first slide rail 4 away from the mounting frame 11 along the length direction of the first slide rail 4, the end of the first tensioning roller 112 passes through the first guide slot 43 and is rotatably mounted on the first sliding block 42, and the first tensioning roller 112 slides along the length direction of the guide slot; a T-shaped second sliding block 52 is installed in the second sliding groove 51 in a sliding manner, a second guide groove 53 is formed in the side wall, away from the mounting frame 11, of the second sliding rail 5 along the length direction of the second sliding rail 5, the end portion of a second tensioning roller 113 penetrates through the second guide groove 53 and is rotatably installed on the second sliding block 52, and the second tensioning roller 113 performs sliding movement along the length direction of the guide groove; the first sliding block 42 is fixedly provided with a first rack 22, the second sliding block 52 is fixedly provided with a second rack 23, the teeth of the first rack 22 and the teeth of the second rack 23 are arranged oppositely, the first gear 21 and the second gear 21 are rotatably provided with a gear 21, and the gear 21 is respectively meshed with the first rack 22 and the second rack 23. The driving part comprises a second motor 3 fixedly arranged on the mounting frame 11, and an output shaft of the second motor 3 is in transmission connection with any gear 21.

The implementation principle of the cloth tensioning device of the air jet loom in the embodiment of the application is as follows: the end part of the cloth 7 bypasses above the detection roller 64, then bypasses above the first tensioning roller 112, then passes between the first tensioning roller 112 and the second tensioning roller 113, bypasses below the second tensioning roller 113, and finally winds up the cloth, according to the requirement of the tension degree of the cloth 7, the second motor 3 is started first to drive the first tensioning roller 112 and the second tensioning roller 113 to slide, the tension degree of the cloth 7 is roughly adjusted, then the second motor 3 is powered off, the first motor 12 is controlled by the pressure sensor 68, the tension degree of the cloth 7 is finely adjusted until the tension degree of the cloth 7 is within a specified range, and in the process of winding up the cloth 7, the tension degree of the cloth 7 is monitored by the pressure sensor 68 in real time.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cloth tensioning device of an air jet loom is characterized in that: including frame (1), slide through two glide machanism (2) and install in frame (1) and be horizontally first tensioning roller (112) and second tensioning roller (113), first tensioning roller (112) with the slip direction of second tensioning roller (113) all be the level and with the length direction of first tensioning roller (112) is perpendicular, first tensioning roller (112) with second tensioning roller (113) distribute just along vertical direction first tensioning roller (112) are located second tensioning roller (113) top, be provided with on frame (1) and be used for the drive first tensioning roller (112) with the driving piece that second tensioning roller (113) slided.

2. A cloth tension device of an air jet loom according to claim 1, wherein: frame (1) is gone up to rotate and is installed two mounting bracket (11), connects through connecting rod (111) between two mounting bracket (11), the axis of rotation of mounting bracket (11) with first tensioning roller (112) are parallel, two mounting bracket (11) are followed the length direction of first tensioning roller (112) distributes, two glide machanism (2) one-to-one is installed two on mounting bracket (11), be provided with in frame (1) and be used for the drive mounting bracket (11) pivoted first motor (12).

3. A cloth tension apparatus of an air jet loom according to claim 2, characterized in that: glide machanism (2) include gear (21), first rack (22) and second rack (23), gear (21) rotate install on mounting bracket (11), just the axis of rotation of gear (21) with the axis of rotation of mounting bracket (11) is parallel, first rack (22) with second rack (23) are parallel to each other and all with gear (21) meshing, just first tensioning roller (112) tip with second tensioning roller (113) tip rotates respectively to be installed first rack (22) with on second rack (23), the driving piece includes second motor (3), second motor (3) are installed arbitrary on mounting bracket (11) and with gear (21) transmission connection.

4. A cloth tension apparatus of an air jet loom according to claim 3, characterized in that: be provided with first slide rail (4) and second slide rail (5) that are parallel to each other on mounting bracket (11), first spout (41) and second spout (51) have been seted up respectively on first slide rail (4) and second slide rail (5) relative surface, just first spout (41) with second spout (51) are the T-slot, first spout (41) with respectively slide in second spout (51) and install first slider (42) and second slider (52), first slider (42) with second slider (52) are the T-block and with T-slot looks adaptation, first rack (22) with second rack (23) respectively with first slider (42) with second slider (52) are connected.

5. A cloth tension device of an air jet loom according to claim 4, wherein: a first guide groove (43) is formed in the side wall of the first slide rail (4), the length direction of the first guide groove (43) is parallel to the length direction of the first slide rail (4), and the end part of the first tensioning roller (112) penetrates through the first guide groove (43) and is rotatably connected with the first sliding block (42); second guide way (53) have been seted up on second slide rail (5) lateral wall, the length direction of second guide way (53) with the length direction of second slide rail (5) is parallel, the tip of second tensioning roller (113) passes second guide way (53) and with second slider (52) rotate and are connected.

6. A cloth tension apparatus of an air jet loom according to claim 2, characterized in that: the machine frame (1) is provided with a detection mechanism (6) for detecting the tension degree of the cloth (7).

7. A cloth tension apparatus of an air jet loom according to claim 6, wherein: detection mechanism (6) include that vertical sliding installs detection roller (64) in frame (1), detection roller (64) both ends all are provided with and are vertical slide bar (65), slide bar (65) sliding installation in frame (1), slide bar (65) with be provided with pressure sensor (68) between frame (1), slide bar (65) tip with pressure sensor (68) support the pressure, pressure sensor (68) with through the electricity connection between first motor (12).

8. A cloth tension apparatus of an air jet loom according to claim 7, wherein: slide bar (65) are located detection roller (64) below, be provided with fixture block (66) on slide bar (65), the cover is equipped with spring (67) on slide bar (65), spring (67) both ends respectively with fixture block (66) with frame (1) butt.