Tension adjusting device of air jet loom

By designing the limiting device and elastic device in the tension adjustment device of the air jet loom, the problems of unstable transmission of fabrics with wide width and uneven rolls on the air jet loom are solved, and the stability of fabric transmission and uniformity of rolls are achieved.

CN119640473AActive Publication Date: 2025-03-18JIANGSU LAINADUO INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202411888785.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-03-18
Estimated Expiration
2044-12-20

AI Technical Summary

Technical Problem

The existing air jet loom tension adjustment device is difficult to limit when dealing with fabrics with smaller widths, resulting in fabric offset and uneven rolling materials.

Method used

An air jet loom tension adjustment device including a limiting device and an elastic device is designed. The limiting device drives the ring translation through an electric push rod, and the screw lifts and prevents the fabric from wrinkling, ensuring stable transmission of the fabric. The elastic device drives the elastic roller to rotate through the motor, adjusts the angle between the fabric and the wire roller to keep the tension unchanged.

Benefits of technology

It effectively prevents the edge arranging problem of the wide and small fabric, ensures the stability of the fabric transmission and the uniformity of the roll, and ensures the consistency of tension.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an air jet loom tension adjusting device, and belongs to the technical field of textile equipment, the air jet loom tension adjusting device comprises a supporting seat, a driving mechanism is arranged at the bottom of the supporting seat, a second adjusting box is arranged on one side, close to the driving mechanism, of the top of the supporting seat, and a first adjusting box is arranged on one side, away from the second adjusting box, of the top of the supporting seat; a support is arranged at the top of the second adjusting box, a first adjusting roller is arranged at the upper end of the inner side of the support, a limiting device is arranged on the outer side of the first adjusting roller, a base is arranged on the side, close to the first adjusting box, of the top of the supporting base, and a tightening device is arranged at the lower end of the side face of the base. The electric push rod drives the circular ring to limit the cloth, the lead screw drives the arc-shaped plate to ascend and descend to prevent the edges of the cloth from wrinkling, pressure is applied up and down to maintain the stability of cloth movement, stable conveying of the cloth with small width can be guaranteed through push-pull of the electric push rod and ascending and descending of the lead screw, and the phenomenon that the edges are not aligned is avoided.
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Description

Technical Field

[0001] The invention belongs to the technical field of textile equipment, and in particular relates to a tension regulating device for an air jet loom. Background Art

[0002] The air jet loom is a shuttleless loom that uses a jet of air to pull the weft yarn through the shed. The working principle is to use air as the weft insertion medium, and the compressed air jet generates friction traction on the weft yarn to pull the weft yarn through the shed. The purpose of weft insertion is achieved through the jet generated by the air jet. This weft insertion method can enable the loom to achieve high speed and high yield.

[0003] Chinese patent application number CN202121478731.9 discloses a tension adjustment device for a jet loom, including a support seat and a monitoring mechanism, a monitoring mechanism is arranged on the top of the support seat, a No. 1 adjustment box is fixedly connected to the top of the support seat, a No. 1 adjustment box is internally rotatably connected to the No. 1 threaded rod, a No. 2 adjustment box is fixedly connected to the bottom of the support seat, a No. 2 adjustment box is internally rotatably connected to the No. 2 threaded rod, a No. 2 adjustment box and a No. 1 adjustment box are both internally slidably connected with transmission blocks, a bracket is fixedly connected to the top of the two transmission blocks, one side of the bracket is rotatably connected to the No. 1 adjustment roller via a rotating shaft, and one side of the bracket is rotatably connected to the No. 2 adjustment roller via a rotating shaft, the present invention can monitor the tension through the monitoring mechanism, the No. 1 adjustment roller, the No. 2 adjustment roller, the No. 1 adjustment box, the No. 2 adjustment box and the motor and other structures, and automatically adjust the tension when the tension does not meet the set range.

[0004] 1. When conveying fabric, the above-mentioned patent cannot limit the fabric with a smaller width, which may easily cause the fabric to shift when the tension is changed, and finally cause the fabric to be misaligned when it is rolled; 2. As the wire roller of the above-mentioned patent is rolled, the radius will become larger and larger, thereby changing the angle with the adjusting roller and changing the tension. Finally, when rolling the material, the material will be uneven due to different tensions. Summary of the invention

[0005] In order to solve the problems raised in the above background technology, the present invention provides a tension adjustment device for an air jet loom, which has the characteristics of automatically calibrating the cloth and rolling the material evenly.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tension adjustment device for a jet loom, comprising a support seat, a driving mechanism is arranged at the bottom of the support seat, a No. 2 adjustment box is arranged on the side of the top of the support seat close to the driving mechanism, a No. 1 adjustment box is arranged on the side of the top of the support seat away from the No. 2 adjustment box, a No. 2 adjustment roller is arranged on the top of the No. 1 adjustment box, a bracket is arranged on the top of the No. 2 adjustment box, an No. 1 adjustment roller is arranged on the inner upper end of the bracket, a limiting device is arranged on the outer side of the No. 1 adjustment roller, a support frame is arranged on the outer lower end of the bracket, a detection mechanism is arranged on one side of the top of the support seat, a base is arranged on the side of the top of the support seat close to the No. 1 adjustment box, a tensioning device is arranged on the lower end of the side of the base, a wire roller is arranged on the inner upper end of the base, and a control panel is arranged on the outer side of the support seat.

[0007] Preferably, the limiting device includes a circular ring, a fixed plate, an electric push rod and a groove, wherein a fixed plate is provided at the bottom of the circular ring, an electric push rod is provided on the outer side of the bracket close to the fixed plate, and a groove is opened at the upper end of the side surface of the circular ring.

[0008] Preferably, a screw rod is arranged inside the groove, a lifting plate is arranged outside the screw rod, an arc plate is arranged outside the lifting plate, and a first motor is arranged on the top of the screw rod.

[0009] Preferably, an electrostatic rod is arranged on the inner side of the support frame, and a ground wire hole is opened on the side of the support frame away from the electrostatic rod.

[0010] Preferably, the tensioning device includes a second motor, a rotating plate, a tensioning roller and a slide groove, wherein the rotating shaft of the second motor is provided with a rotating plate, a tensioning roller is provided on a side of the rotating plate away from the second motor, and a slide groove is provided on the surface of the tensioning roller.

[0011] Preferably, a third motor is arranged at one end of the inner side of the slide groove, a receiving groove is opened at one end of the inner side of the slide groove away from the third motor, a threaded rod is arranged on the rotating shaft of the third motor, and a blade is arranged on the outer side of the threaded rod.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The present invention is provided with a limiting device, the electric push rod drives the ring to translate, and limits the cloth. At the same time, the first motor drives the screw rod to rotate, and the screw rod drives the arc plate to rise and fall to prevent wrinkles on the edge of the cloth. Applying pressure up and down can also maintain the stability of the cloth movement. Through the push and pull of the electric push rod and the lifting and lowering of the screw rod, the stable transmission of the cloth with a smaller width can be ensured, and the edge misalignment phenomenon will not occur;

[0014] 2. The present invention is provided with a tensioning device. The second motor drives the tensioning roller to rotate, which changes the angle between the second adjustment roller and the line roller of the cloth, so as to ensure the constant tension by adjusting the angle. When the line roller needs to be replaced, the third motor drives the blade to move to cut the cloth. The tensioning roller applies force to the cloth to ensure the constant tension when the material is rolled, thereby ensuring uniform force and consistent tightness when the material is rolled. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 It is a structural schematic diagram of the present invention;

[0017] Figure 3 It is a schematic diagram of the structure of the limiting device of the present invention;

[0018] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0019] Figure 5 It is a structural schematic diagram of the tensioning device of the present invention;

[0020] Figure 6 For the present invention Figure 5 The enlarged structural diagram at B in the middle;

[0021] In the figure: 1. support seat; 2. driving mechanism; 3. bracket; 4. No. 1 adjusting roller; 5. limiting device; 51. ring; 52. fixing plate; 53. electric push rod; 54. first motor; 55. arc plate; 56. screw rod; 57. lifting plate; 58. groove; 6. base; 7. tensioning device; 71. second motor; 72. rotating plate; 73. tensioning roller; 74. slide groove; 75. storage groove; 76. third motor; 77. threaded rod; 78. blade; 8. wire roller; 9. detection mechanism; 10. No. 2 adjusting roller; 11. control panel; 12. No. 1 adjusting box; 13. No. 2 adjusting box; 14. support frame; 15. electrostatic rod; 16. ground wire hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example 1

[0024] See also Figure 1-6The present invention provides the following technical solutions: A tension adjustment device for a jet loom comprises a support seat 1, a driving mechanism 2 is arranged at the bottom of the support seat 1, a No. 2 adjustment box 13 is arranged at the top of the support seat 1 near the driving mechanism 2, a No. 1 adjustment box 12 is arranged at the side of the top of the support seat 1 away from the No. 2 adjustment box 13, a No. 2 adjustment roller 10 is arranged at the top of the No. 1 adjustment box 12, a bracket 3 is arranged at the top of the No. 2 adjustment box 13, a No. 1 adjustment roller 4 is arranged at the inner upper end of the bracket 3, a limiting device 5 is arranged at the outer side of the No. 1 adjustment roller 4, a support frame 14 is arranged at the outer lower end of the bracket 3, a detection mechanism 9 is arranged at one side of the top of the support seat 1, a base 6 is arranged at the side of the top of the support seat 1 near the No. 1 adjustment box 12, a tensioning device 7 is arranged at the lower end of the side of the base 6, a wire roller 8 is arranged at the inner upper end of the base 6, and a control panel 11 is arranged at the outer side of the support seat 1.

[0025] Specifically, the limiting device 5 includes a circular ring 51, a fixing plate 52, an electric push rod 53 and a groove 58, wherein the fixing plate 52 is arranged at the bottom of the circular ring 51, the electric push rod 53 is arranged on the side of the outer side of the bracket 3 close to the fixing plate 52, and a groove 58 is opened at the upper end of the side surface of the circular ring 51.

[0026] By adopting the above technical solution, the electric push rod 53 pushes the ring 51 to translate on the first adjusting roller 4, thereby limiting the position of the cloth.

[0027] Specifically, a screw rod 56 is disposed inside the groove 58 , a lifting plate 57 is disposed outside the screw rod 56 , an arc plate 55 is disposed outside the lifting plate 57 , and a first motor 54 is disposed on the top of the screw rod 56 .

[0028] By adopting the above technical solution, the first motor 54 drives the screw rod 56 to rotate, and the lifting plate 57 drives the arc plate 55 to rise or fall. In conjunction with the electric push rod 53, wrinkles on the edge of the cloth can be removed, and pressure can be applied to the cloth to improve the stability of the transmission.

[0029] Specifically, an electrostatic rod 15 is disposed on the inner side of the support frame 14, and a ground wire hole 16 is opened on the side of the support frame 14 away from the electrostatic rod 15.

[0030] By adopting the above technical solution, the electrostatic rod 15 is in contact with the cloth, and the ground wire hole 16 is connected to the ground wire, so that static electricity on the surface of the cloth can be removed and the cleanliness of the cloth can be improved.

[0031] When this embodiment is used, the driving mechanism 2 drives the No. 1 adjusting roller 4 and the No. 2 adjusting roller 10 to rise and fall, so as to change the tension of the cloth. The cloth passes through the detection mechanism 9, the No. 1 adjusting roller 4 and the No. 2 adjusting roller 10 in sequence, and is finally rolled up by the line roller 8. The detection mechanism 9 displays the tension data on the control panel 11, and changes the tension of the cloth according to the data. When the cloth width is small, the cloth needs to be limited. The electric push rod 53 pushes the ring 51 to translate on the No. 1 adjusting roller 4, and the first motor 54 drives the screw rod 56 to rotate. The lifting plate 57 drives the arc plate 55 to rise or fall. The electric push rod 53 can be used to remove wrinkles on the edge of the cloth, and pressure is applied to the cloth to improve the stability of the transmission. The electrostatic rod 15 contacts the cloth to remove static electricity. The push and pull of the electric push rod 53 and the lifting and lowering of the screw rod 56 can ensure the stable transmission of the cloth with a small width, and there will be no edge misalignment.

[0032] Example 2

[0033] The difference between this embodiment and embodiment 1 is that the tensioning device 7 includes a second motor 71, a rotating plate 72, a tensioning roller 73 and a slide groove 74, wherein the rotating shaft of the second motor 71 is provided with a rotating plate 72, a tensioning roller 73 is provided on the side of the rotating plate 72 away from the second motor 71, and a slide groove 74 is provided on the surface of the tensioning roller 73.

[0034] By adopting the above technical solution, the second motor 71 drives the elastic roller 73 through the rotating plate 72, and the elastic roller 73 applies force to the cloth between the line roller 8 and the second adjustment roller 10 to ensure that the tension remains unchanged when the material is rolled.

[0035] Specifically, a third motor 76 is provided at one end of the inner side of the slide groove 74 , a receiving groove 75 is provided at one end of the inner side of the slide groove 74 away from the third motor 76 , a threaded rod 77 is provided on the rotating shaft of the third motor 76 , and a blade 78 is provided on the outer side of the threaded rod 77 .

[0036] By adopting the above technical solution, the third motor 76 drives the threaded rod 77 to rotate, so that the blade 78 can translate along the slide groove 74, so as to achieve the purpose of cutting the cloth. The storage groove 75 can store the blade 78 to prevent the cloth from being damaged when rolling.

[0037] When this embodiment is used, the cloth is adjusted by the second adjusting roller 10 and finally rolled up by the line roller 8. The surface of the cloth is against the elastic roller 73. When the radius of the line roller 8 becomes larger and larger, the tension of the cloth when it is rolled up will also change. The second motor 71 drives the elastic roller 73 through the rotating plate 72. The elastic roller 73 applies force to the cloth between the line roller 8 and the second adjusting roller 10 to ensure that the tension does not change. When the cloth needs to be cut, the third motor 76 drives the threaded rod 77 to rotate so that the blade 78 can translate along the slide groove 74 to achieve the purpose of cutting the cloth. Before starting again, observe whether the blade 78 is in the storage groove 75 to prevent the cloth from being damaged when rolling. Applying force to the cloth by the elastic roller 73 can ensure that the tension remains unchanged when rolling, thereby ensuring that the force is uniform and the tightness is consistent when rolling.

[0038] The structures and usage principles of the support seat 1, drive mechanism 2, bracket 3, No. 1 adjusting roller 4, base 6, line roller 8, detection mechanism 9, No. 2 adjusting roller 10, control panel 11, No. 1 adjusting box 12 and No. 2 adjusting box 13 in the present invention have been disclosed in a tension adjustment device for a jet loom disclosed in Chinese patent application No. CN202121478731.9.

[0039] The working principle and use process of the present invention: When the present invention is used, the driving mechanism 2 drives the No. 1 adjusting roller 4 and the No. 2 adjusting roller 10 to rise and fall, so as to change the tension of the cloth. The cloth passes through the detection mechanism 9, the No. 1 adjusting roller 4 and the No. 2 adjusting roller 10 in sequence, and is finally rolled up by the line roller 8. The detection mechanism 9 displays the tension data on the control panel 11, and changes the tension of the cloth according to the data. When the cloth width is small, the cloth needs to be limited. The electric push rod 53 pushes the ring 51 to translate on the No. 1 adjusting roller 4, and the first motor 54 drives the screw rod 56 to rotate. The lifting plate 57 drives the arc plate 55 to rise or fall. The electric push rod 53 can be used to remove wrinkles on the edge of the cloth, and pressure is applied to the cloth to improve the stability of the transmission. The electrostatic rod 15 contacts the cloth to remove static electricity, and the electric push rod 53 is pushed and pulled and the screw rod 56 is lifted and lowered. , which can ensure stable transmission of fabrics with smaller widths without edge misalignment; the fabric is adjusted by the second adjusting roller 10 and finally rolled up by the line roller 8, and the surface of the fabric is against the elastic roller 73. When the radius of the line roller 8 becomes larger and larger, the tension of the fabric when it is rolled up will also change, and the second motor 71 drives the elastic roller 73 through the rotating plate 72. The elastic roller 73 applies force to the fabric between the line roller 8 and the second adjusting roller 10, thereby ensuring that the tension does not change. When the fabric needs to be cut, the third motor 76 drives the threaded rod 77 to rotate, so that the blade 78 can be translated along the slide groove 74, so as to achieve the purpose of cutting the fabric. Before starting again, observe whether the blade 78 is in the storage groove 75 to prevent the fabric from being damaged when rolling. Applying force to the fabric by the elastic roller 73 can ensure that the tension remains unchanged when rolling, thereby ensuring that the force is uniform and the tightness is consistent when rolling.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tension adjustment device for an air jet loom, comprising a support seat (1), characterized in that: The bottom of the support seat (1) is provided with a driving mechanism (2); a second regulating box (13) is provided on the top of the support seat (1) on a side close to the driving mechanism (2); a first regulating box (12) is provided on the top of the support seat (1) on a side away from the second regulating box (13); a second regulating roller (10) is provided on the top of the first regulating box (12); a bracket (3) is provided on the top of the second regulating box (13); a first regulating roller (4) is provided on the inner upper end of the bracket (3); a limiting device (5) is provided on the outer side of the first regulating roller (4); a supporting frame (14) is provided on the outer lower end of the bracket (3); a detection mechanism (9) is provided on one side of the top of the support seat (1); a base (6) is provided on the top of the support seat (1) on a side close to the first regulating box (12); a tensioning device (7) is provided on the lower side of the base (6); a wire roller (8) is provided on the inner upper end of the base (6); and a control panel (11) is provided on the outer side of the support seat (1).

2. The tension adjustment device for an air jet loom according to claim 1, characterized in that: The limiting device (5) comprises a circular ring (51), a fixing plate (52), an electric push rod (53) and a groove (58), wherein the fixing plate (52) is arranged at the bottom of the circular ring (51), the electric push rod (53) is arranged on the side of the outer side of the bracket (3) close to the fixing plate (52), and the groove (58) is opened at the upper end of the side surface of the circular ring (51).

3. A tension adjustment device for an air jet loom according to claim 2, characterized in that: A screw rod (56) is arranged inside the groove (58), a lifting plate (57) is arranged outside the screw rod (56), an arc-shaped plate (55) is arranged outside the lifting plate (57), and a first motor (54) is arranged on the top of the screw rod (56).

4. The tension adjustment device for an air jet loom according to claim 1, characterized in that: An electrostatic rod (15) is arranged on the inner side of the support frame (14), and a ground wire hole (16) is provided on a side of the support frame (14) away from the electrostatic rod (15).

5. The tension adjustment device for an air jet loom according to claim 1, characterized in that: The tensioning device (7) comprises a second motor (71), a rotating plate (72), an tensioning roller (73) and a slide groove (74), wherein the rotating shaft of the second motor (71) is provided with the rotating plate (72), a tensioning roller (73) is provided on a side of the rotating plate (72) away from the second motor (71), and a slide groove (74) is provided on the surface of the tensioning roller (73).

6. A tension adjustment device for an air jet loom according to claim 5, characterized in that: A third motor (76) is disposed at one end of the inner side of the slide groove (74), a receiving groove (75) is provided at one end of the inner side of the slide groove (74) away from the third motor (76), a threaded rod (77) is disposed on the rotating shaft of the third motor (76), and a blade (78) is disposed on the outer side of the threaded rod (77).

Citation Information

Patent Citations

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  • Screwdriver capable of being loosened and tightened powerfully

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  • Tension adjusting device for air jet loom

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    CN216473746U

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    CN217149485U