A tension adjusting device for air-jet loom
By designing limiting and tensioning devices, the problems of offset and uneven tension when air-jet looms transport and wind up narrow-width fabrics are solved, achieving stable transport and uniform winding of the fabric.
Patent Information
- Application Number
- CN202411888785.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2044-12-20
AI Technical Summary
Existing air-jet looms are prone to misalignment and uneven tension when conveying and winding narrow-width fabrics, resulting in misaligned fabrics and uneven winding.
The system employs a limiting device and a tensioning device, using an electric push rod and a lead screw to achieve stable limiting and tension adjustment of the fabric; an anti-static bar is used to remove static electricity, a motor drives the tensioning roller to adjust the included angle, and a cutting device ensures uniform tension.
It achieves stable transmission and uniform roll uniformity for narrow-width fabrics, avoiding edge misalignment and tension variations, and ensuring stable fabric delivery and uniform roll-up.
Smart Images

Figure CN119640473B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of textile equipment, and particularly relates to a tension adjusting device of an air-jet loom. BACKGROUND
[0002] The air-jet loom is a shuttleless loom which uses jet airflow to pull the weft yarn through the shed. The working principle is to use air as the weft guiding medium to generate frictional traction on the weft yarn by jetting compressed airflow, so as to pull the weft yarn through the shed. The jet airflow generated by the air-jet loom can achieve high speed and high yield.
[0003] Chinese patent application No. CN202121478731.9 discloses a tension adjusting device for an air-jet loom. The device comprises a support seat and a monitoring mechanism. The support seat is provided with the monitoring mechanism at the top. The top of the support seat is fixedly connected with a first adjusting box. The first adjusting box is rotatably connected with a first threaded rod inside. The bottom of the support seat is fixedly connected with a second adjusting box. The second adjusting box is rotatably connected with a second threaded rod inside. The interiors of the second adjusting box and the first adjusting box are both slidably connected with transmission blocks. The top of the two transmission blocks is fixedly connected with a support. The support is rotatably connected with a first adjusting roller on one side through a rotating shaft. The support is rotatably connected with a second adjusting roller on one side through a rotating shaft. The device can monitor the tension through the monitoring mechanism, the first adjusting roller, the second adjusting roller, the first adjusting box, the second adjusting box and the motor. When the tension does not meet the set range, the device can automatically adjust.
[0004] 1. The above-mentioned patent cannot limit the width of the cloth when conveying the cloth, which can easily cause the cloth to deviate when changing the tension, and finally cause misalignment when rolling the cloth; 2. The line roller of the above-mentioned patent will have a larger radius when rolling the cloth, thereby changing the included angle with the adjusting roller and changing the tension. Finally, when rolling the cloth, the cloth will not be uniformly rolled due to different tensions. SUMMARY
[0005] To solve the problems in the background art, the application provides a tension adjusting device for an air-jet loom, which has the characteristics of automatic calibration of the cloth and uniform rolling of the cloth.
[0006] In order to achieve the above object, the present application provides the following technical scheme: a tension adjusting device of air jet loom, comprising a support base, a driving mechanism is arranged at the bottom of the support base, a second adjusting box is arranged at the top of the support base and close to one side of the driving mechanism, a first adjusting box is arranged at the top of the support base and away from the second adjusting box, a second adjusting roller is arranged at the top of the first adjusting box, a support is arranged at the top of the second adjusting box, a first adjusting roller is arranged at the inner side of the upper end of the support, a limiting device is arranged at the outer side of the first adjusting roller, a support frame is arranged at the outer side of the lower end of the support, a detection mechanism is arranged at one side of the top of the support base, a base is arranged at the side of the top of the support base and close to the first adjusting box, a tension device is arranged at the lower end of the side of the base, a thread roller is arranged at the upper end of the inner side of the base, and a control panel is arranged at the outer side of the support base.
[0007] Preferably, the limiting device comprises a circular ring, a fixed plate, an electric push rod and a groove, wherein the bottom of the circular ring is provided with the fixed plate, the outer side of the fixed plate is provided with the electric push rod, and the upper end of the side of the circular ring is provided with the groove.
[0008] Preferably, the groove is internally provided with a lead screw, the outer side of the lead screw is provided with a lifting plate, the outer side of the lifting plate is provided with an arc-shaped plate, and the top of the lead screw is provided with a first motor.
[0009] Preferably, the inner side of the support frame is provided with an electrostatic rod, and a ground wire hole is formed in the side of the support frame away from the electrostatic rod.
[0010] Preferably, the tension device comprises a second motor, a rotating plate, a tension roller and a sliding groove, wherein the rotating shaft of the second motor is provided with the rotating plate, the side of the rotating plate away from the second motor is provided with the tension roller, and the surface of the tension roller is provided with the sliding groove.
[0011] Preferably, one end of the inner side of the sliding groove is provided with a third motor, the end of the inner side of the sliding groove away from the third motor is provided with a receiving groove, the rotating shaft of the third motor is provided with a threaded rod, and the outer side of the threaded rod is provided with a blade.
[0012] Compared with the prior art, the present application has the following beneficial effects:
[0013] 1. The limiting device is arranged, the electric push rod drives the circular ring to translate, the cloth is limited, the first motor drives the lead screw to rotate, the lifting of the arc-shaped plate driven by the lead screw can prevent the cloth edge from wrinkling, the upward and downward pressure can also maintain the stability of the cloth movement, the push and pull of the electric push rod and the lifting of the lead screw can ensure the stable transmission of the cloth with small width, and the phenomenon that the edges are not aligned will not occur.
[0014] 2、The present application is provided with a tension device, the second motor drives the tension roller to rotate, changes the included angle of the cloth between the second adjusting roller and the thread roller, so as to ensure that the tension is constant by adjusting the included angle, when the thread roller needs to be replaced, the third motor drives the blade to move to cut off the cloth, the tension of the rolled material can be ensured by the tension roller exerting force on the cloth, thereby ensuring that the stress is uniform and the tightness is consistent when rolling. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the present application;
[0016] Figure 2 It is a structural schematic diagram of the present application;
[0017] Figure 3 It is a structural schematic diagram of the present application;
[0018] Figure 4 It is a structural schematic diagram of the present application; Figure 3 It is a structural schematic diagram of the present application;
[0019] Figure 5 It is a structural schematic diagram of the present application;
[0020] Figure 6 It is a structural schematic diagram of the present application; Figure 5 It is a structural schematic diagram of the present application;
[0021] In the figure: 1, support seat; 2, driving mechanism; 3, support; 4, No. 1 adjusting roller; 5, limiting device; 51, circular ring; 52, fixed plate; 53, electric push rod; 54, first motor; 55, arc plate; 56, screw rod; 57, lifting plate; 58, groove; 6, base; 7, tension device; 71, second motor; 72, rotating plate; 73, tension roller; 74, sliding slot; 75, storage groove; 76, third motor; 77, threaded rod; 78, blade; 8, thread 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, static bar; 16, ground wire hole. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0023] Embodiment 1
[0024] Please refer to Figures 1-6The application provides the following technical scheme: a tension adjusting device of an air jet loom, which comprises a support base 1, the bottom of the support base 1 is provided with a driving mechanism 2, the top of the support base 1 is provided with a second adjusting box 13 on the side close to the driving mechanism 2, the top of the support base 1 is provided with a first adjusting box 12 on the side away from the second adjusting box 13, the top of the first adjusting box 12 is provided with a second adjusting roller 10, the top of the second adjusting box 13 is provided with a support 3, the inner side of the support 3 is provided with a first adjusting roller 4 on the upper end, the outer side of the first adjusting roller 4 is provided with a limiting device 5, the outer side of the support 3 is provided with a support frame 14 on the lower end, the top of the support base 1 is provided with a detection mechanism 9 on one side, the top of the support base 1 is provided with a base 6 on the side close to the first adjusting box 12, the side of the base 6 is provided with a tension device 7 on the lower end, the inner side of the base 6 is provided with a thread roller 8 on the upper end, and the outer side of the support base 1 is provided with a control panel 11.
[0025] Specifically, the limiting device 5 comprises a circular ring 51, a fixed plate 52, an electric push rod 53 and a groove 58, the bottom of the circular ring 51 is provided with the fixed plate 52, the outer side of the support 3 is provided with the electric push rod 53 on the side close to the fixed plate 52, and the side of the circular ring 51 is provided with the groove 58 on the upper end.
[0026] Through the above technical scheme, the electric push rod 53 pushes the circular ring 51 to translate on the first adjusting roller 4, so that the cloth is limited.
[0027] Specifically, the groove 58 is internally provided with a lead screw 56, the outer side of the lead screw 56 is provided with a lifting plate 57, the outer side of the lifting plate 57 is provided with an arc-shaped plate 55, and the top of the lead screw 56 is provided with a first motor 54.
[0028] Through the above technical scheme, the first motor 54 drives the lead screw 56 to rotate, the lifting plate 57 drives the arc-shaped plate 55 to rise or fall, and the electric push rod 53 can remove the wrinkles on the edge of the cloth and apply pressure to the cloth, thereby improving the stability of transmission.
[0029] Specifically, the inner side of the support frame 14 is provided with an electrostatic rod 15, and the side of the support frame 14 away from the electrostatic rod 15 is provided with a ground wire hole 16.
[0030] Through the above technical scheme, the electrostatic rod 15 contacts the cloth, and the ground wire hole 16 is connected with the ground wire, so that the static electricity on the surface of the cloth can be removed, and the cleanliness of the cloth is improved.
[0031] When the embodiment is used, the driving mechanism 2 drives the first adjusting roller 4 and the second adjusting roller 10 to lift, so as to change the tension of the cloth, the cloth passes through the detection mechanism 9, the first adjusting roller 4 and the second adjusting roller 10 in sequence and is finally wound up by the thread roller 8, the detection mechanism 9 displays the data of the tension on the control panel 11, and the tension of the cloth is changed according to the data; when the width of the cloth is small, the cloth needs to be limited, the electric push rod 53 pushes the circular ring 51 to translate on the first adjusting roller 4, the first motor 54 drives the screw rod 56 to rotate, the lifting plate 57 drives the arc-shaped plate 55 to lift or drop, and the electric push rod 53 can remove the edge wrinkles of the cloth and apply pressure to the cloth, so as to improve the stability of the transmission; the electrostatic rod 15 contacts the cloth to remove static electricity, and the push-pull of the electric push rod 53 and the lifting of the screw rod 56 can ensure the stable transmission of the cloth with small width, and the phenomenon that the edges are not aligned can be avoided.
[0032] Embodiment 2
[0033] The difference between the embodiment and the embodiment 1 is that the tension device 7 comprises a second motor 71, a rotating plate 72, a tension roller 73 and a sliding groove 74, wherein the rotating shaft of the second motor 71 is provided with the rotating plate 72, the side of the rotating plate 72 away from the second motor 71 is provided with the tension roller 73, and the surface of the tension roller 73 is provided with the sliding groove 74.
[0034] By adopting the above technical scheme, the second motor 71 drives the tension roller 73 through the rotating plate 72, the tension roller 73 can apply force to the cloth between the thread roller 8 and the second adjusting roller 10, so as to ensure that the tension remains unchanged when the cloth is wound.
[0035] Specifically, the third motor 76 is arranged at one end of the inner side of the sliding groove 74, the receiving groove 75 is arranged at the end of the inner side of the sliding groove 74 away from the third motor 76, the rotating shaft of the third motor 76 is provided with the threaded rod 77, and the outer side of the threaded rod 77 is provided with the blade 78.
[0036] By adopting the above technical scheme, the third motor 76 drives the threaded rod 77 to rotate, so that the blade 78 can translate along the sliding groove 74, so as to achieve the purpose of cutting off the cloth, and the receiving groove 75 can receive the blade 78 to prevent the cloth from being damaged when the cloth is wound.
[0037] When the embodiment is used, the cloth is adjusted by the second adjusting roller 10 and finally wound by the thread roller 8, the surface of the cloth abuts against the tension roller 73, when the radius of the thread roller 8 becomes larger and larger, the tension of the cloth wound will also change, the second motor 71 drives the tension roller 73 through the rotating plate 72, the tension roller 73 will exert force on the cloth between the thread roller 8 and the second adjusting roller 10, so that the tension does not change, when it is needed to cut off the cloth, the third motor 76 drives the threaded rod 77 to rotate, so that the blade 78 can translate along the sliding groove 74, so that the purpose of cutting off the cloth is achieved, before starting again, whether the blade 78 is in the storage groove 75 is observed, so as to prevent the cloth from being damaged when winding, the force exerted on the cloth by the tension roller 73 can ensure that the tension does not change when winding, so as to ensure that the force is uniform when winding, and the tightness is consistent.
[0038] The structure and use principle of the support seat 1, the driving mechanism 2, the support 3, the first adjusting roller 4, the base 6, the thread roller 8, the detection mechanism 9, the second adjusting roller 10, the control panel 11, the first adjusting box 12 and the second adjusting box 13 in the application have been disclosed in a tension adjusting device for a gas jet loom with a patent number CN202121478731.9 in China.
[0039] The working principle and use process of the present application: when the present application is used, the driving mechanism 2 drives the first adjusting roller 4 and the second adjusting roller 10 to lift, so as to change the tension of the cloth, the cloth passes through the detection mechanism 9, the first adjusting roller 4 and the second adjusting roller 10 in turn, and is finally wound up by the thread roller 8, the detection mechanism 9 displays the data of the tension on the control panel 11, and the tension of the cloth is changed according to the data, when the width of the cloth is small, the cloth needs to be limited, the electric push rod 53 pushes the circular ring 51 to translate on the first adjusting roller 4, the first motor 54 drives the screw rod 56 to rotate, the lifting plate 57 drives the arc plate 55 to rise or fall, and the edge wrinkles of the cloth can be removed and pressure is applied to the cloth by cooperation of the electric push rod 53, so that the stability of transmission is improved, the electrostatic rod 15 contacts the cloth to remove static electricity, the push-pull of the electric push rod 53 and the lifting of the screw rod 56 can ensure stable transmission of the cloth with small width, and the phenomenon that the edges are not aligned will not occur; the cloth is adjusted by the second adjusting roller 10 and is finally wound by the thread roller 8, the surface of the cloth abuts against the tension roller 73, when the radius of the thread roller 8 becomes larger and larger, the tension of the cloth when being wound will also change, the second motor 71 drives the tension roller 73 through the rotating plate 72, the tension roller 73 will apply force to the cloth between the thread roller 8 and the second adjusting roller 10, so as to ensure that the tension does not change, when the cloth needs to be cut off, the third motor 76 drives the threaded rod 77 to rotate, so that the blade 78 can translate along the sliding groove 74, so as to achieve the purpose of cutting off the cloth, before starting again, whether the blade 78 is in the storage groove 75 is observed, so as to prevent the cloth from being damaged when winding, the force applied to the cloth by the tension roller 73 can ensure that the tension does not change when winding, so as to ensure that the force is uniform and the tightness is consistent when winding.
[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A tension adjusting device for an air-jet loom, comprising a support base (1), characterized in that: The bottom of the support base (1) is provided with a driving mechanism (2). A second adjustment box (13) is provided on the top of the support base (1) near the driving mechanism (2). A first adjustment box (12) is provided on the top of the support base (1) away from the second adjustment box (13). A second adjustment roller (10) is provided on the top of the first adjustment box (12). A bracket (3) is provided on the top of the second adjustment box (13). A first adjustment roller (4) is provided on the upper inner side of the bracket (3). A limit device (5) is provided on the outer side of the first adjustment roller (4). A support frame (14) is provided on the lower outer side of the bracket (3). A detection mechanism (9) is provided on one side of the top of the support base (1). A base (6) is provided on the top of the support base (1) near the first adjustment box (12). A bottom edge is provided on the lower side of the base (6). The tensioning device (7) has a wire roller (8) on the upper inner side of the base (6) and a control panel (11) on the outer side of the support seat (1). The tensioning device (7) includes a second motor (71), a rotating plate (72), a tensioning roller (73) and a slide groove (74). The rotating shaft of the second motor (71) is provided with a rotating plate (72). The side of the rotating plate (72) away from the second motor (71) is provided with a tensioning roller (73). The surface of the tensioning roller (73) is provided with a slide groove (74). A third motor (76) is provided at one end of the inner side of the slide groove (74). A storage groove (75) is provided at one end of the inner side of the slide groove (74) away from the third motor (76). The rotating shaft of the third motor (76) is provided with a threaded rod (77). A blade (78) is provided on the outer side of the threaded rod (77).
2. The tension adjusting device for an air-jet loom according to claim 1, characterized in that: The limiting device (5) includes a ring (51), a fixing plate (52), an electric push rod (53) and a groove (58). The bottom of the ring (51) is provided with a fixing plate (52), and the side of the bracket (3) near the fixing plate (52) is provided with an electric push rod (53). The upper side of the ring (51) is provided with a groove (58).
3. The tension adjusting device for an air-jet loom according to claim 2, characterized in that: A lead screw (56) is provided inside the groove (58), a lifting plate (57) is provided on the outside of the lead screw (56), an arc plate (55) is provided on the outside of the lifting plate (57), and a first motor (54) is provided on the top of the lead screw (56).
4. The tension adjusting device for an air-jet loom according to claim 1, characterized in that: An electrostatic bar (15) is provided on the inner side of the support frame (14), and a grounding hole (16) is provided on the side of the support frame (14) away from the electrostatic bar (15).
Citation Information
Patent Citations
Tension adjusting device for air jet loom
CN215560957U
Tension adjusting equipment for air jet loom for home textile fabric
CN216473746U