Automatic yarn protection device for shutdown of air-jet loom

By installing a protective frame and related components on the air-jet loom and using an airflow sensor to control the suction force of the nozzle to buffer the airflow impact, the problem of yarn breakage after the air-jet loom stops is solved, thus achieving yarn protection and safe shutdown.

CN223805221UActive Publication Date: 2026-01-16XIANGYANG XINSHENGYUE TEXTILE CO LTD
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Patent Information

Application Number
CN202520382104.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-01-16
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

After the air-jet loom stops, the air jet device continues to operate, causing the yarn to be impacted by a strong upward airflow, making it prone to breakage and lacking effective cushioning protection.

Method used

An automatic yarn protection device for stopping an air-jet loom was designed, including components such as a protective frame, a bellows, a cylinder, a telescopic rod, a buffer chamber, a suction nozzle, an electronic valve, and a pressure sensor. The device uses an airflow impact sensor to control the suction nozzle to increase suction force, buffer airflow impact, and maintain yarn pressure balance.

Benefits of technology

It effectively buffers the airflow impact when the air-jet loom stops, preventing yarn breakage and providing workers with time to shut down the air-jet device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of air-jet looms, and discloses an air-jet loom shutdown yarn automatic protection device which comprises an air-jet loom body, a protection frame is movably installed on the top of the air-jet loom body, an air bellow is fixedly connected to the top of the protection frame, and an air cylinder is fixedly connected to the top of the inner wall of the protection frame. The output end of the air cylinder is fixedly connected with a telescopic rod. The air jet loom has the following advantages and effects that the suction nozzle can play a role in dust removal, when the air jet loom body stops, the air jet equipment continues to jet air, yarns in the air jet loom body are impacted by airflow, the airflow impacts the pressure sensor, and after the sensing pressure is increased, the electronic valve is automatically opened, and the suction force is increased at the suction nozzle; meanwhile, the air cylinder drives the telescopic rod and the first telescopic sleeve to extend, the buffer cavity descends by a certain height, the suction nozzle is close to the upper surface of the yarn, and therefore air suction and airflow impact buffering are conducted, the yarn is kept balanced under pressure, and yarn breakage is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air jet loom technical field, especially air jet loom parking yarn automatic protection device. BACKGROUND

[0002] Air jet loom is a kind of textile equipment, air is used as weft insertion medium, weft insertion function is realized by air jet, compared with traditional textile machine, air jet loom is higher in production efficiency, but energy consumption is also higher.

[0003] In prior art, Chinese patent publication No.CN114000245A discloses a parking protection air jet loom, including air jet loom body and air pump, the air jet loom body includes base, the right side of the upper surface of base is fixedly provided with first side plate, the left side of the upper surface of base is fixedly provided with second side plate, rotation roller is rotatably connected between second side plate and first side plate, air jet pipe is installed on the first side plate of rotation roller rear side, the upper of first side plate is fixedly provided with connecting shell, air inlet pipe is fixedly provided in the inside of connecting shell, the tail end of air inlet pipe is connected with air pump, air pump is fixedly installed on the surface of base, transmission assembly is installed in the inside of connecting shell, stop protection device is arranged in the first side plate of transmission assembly front end, first belt pulley is installed on stop protection device, the device can automatically stop when overheating or air pressure is too large, and rotation roller will not continue to rotate because of inertia after stopping, with parking protection function.

[0004] But the utility model in actual use, when air jet loom stops, air jet device still continues to work, so that yarn is impacted by strong upward blowing airflow and is prone to breakage, and the staff is not convenient for buffering protection to yarn when shutting down air jet equipment, thus improvement is required. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of air jet loom parking yarn automatic protection device, with the impact of buffer airflow, keep the balance of yarn received pressure, prevent yarn breakage effect.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a kind of air jet loom parking yarn automatic protection device, including air jet loom body, the top of air jet loom body is movably installed with protection frame, the top of protection frame is fixedly connected with wind box, the top of the inner wall of protection frame is fixedly connected with air cylinder, the output of air cylinder is fixedly connected with telescopic link, the bottom of telescopic link is fixedly connected with buffer cavity, the bottom of buffer cavity is fixedly connected with suction nozzle, the top of buffer cavity is fixedly connected with first telescopic sleeve, the outer surface of first telescopic sleeve is provided with electronic valve, the bottom of buffer cavity is fixedly connected with pressure sensor, the top of buffer cavity is fixedly connected with second telescopic sleeve.

[0007] By adopting the above technical scheme, when the staff uses, the protective frame is installed on the top of the air jet loom body, the second telescopic sleeve tube sucks the inside of the buffer cavity, the suction force is moderate, so that the suction nozzle can play a dust removal role, when the air jet loom body stops, the air jet equipment continues to jet, the yarn inside the air jet loom body receives the impact of the airflow, the airflow impact pressure sensor, after the increase of the inducted pressure, the electronic valve is automatically opened, the suction force at the suction nozzle is increased, and the first telescopic sleeve tube is extended, so that the buffer cavity is lowered by a certain height, the suction nozzle is close to the upper surface of the yarn, so as to suck the air and buffer the impact of the airflow, keep the balance of the yarn receiving pressure, prevent the yarn from being broken, and enable the staff to have time to close the air jet device.

[0008] The utility model discloses a further setting be: the top of wind box is connected with the box cover of clamping, the bottom fixed connection of box cover has the partition frame.

[0009] By adopting the above technical scheme, after the box cover is covered, the partition frame separates the internal space of the wind box.

[0010] The utility model discloses a further setting be: the bottom fixed connection of box cover has the air pump, the output fixed connection of air pump has the exhaust pipe.

[0011] By adopting the above technical scheme, after the electronic valve starts, the air pump starts to suck, and the first telescopic sleeve tube increases the suction force inside the buffer cavity.

[0012] The utility model discloses a further setting be: the bottom fixed connection of suction nozzle has the air suction cover, the number of suction nozzle is several.

[0013] By adopting the above technical scheme, the air suction cover is beneficial to the suction of airflow, and the distance between the two suction nozzles is the same.

[0014] The utility model discloses a further setting be: the bottom fixed connection of wind box inner wall has the clamping groove, the inner wall of clamping groove is connected with the partition frame.

[0015] By adopting the above technical scheme, when the partition frame is installed, the bottom is clamped into the clamping groove.

[0016] The utility model discloses a further setting be: the inner wall fixed connection of partition frame has the mounting plate, the inside of mounting plate is inserted with the plug -in rod.

[0017] By adopting the above technical scheme, the mounting plate and the plug -in rod correspond, and the plug -in rod is inserted into the mounting plate.

[0018] The utility model discloses a further setting be: the bottom fixed connection of plug -in rod has the filter screen, the inside fixed connection of box cover has the fan.

[0019] By adopting the technical scheme, the filter screen filters dust, and the fan works when dust is removed.

[0020] The further setting of the utility model is that the top of the fan is fixedly connected with an air outlet pipe, and the air outlet pipe extends to the outer surface of the box cover.

[0021] By adopting the technical scheme, the air outlet pipe discharges air to the outside, and the dust removal effect is strong.

[0022] The further setting of the utility model is that the two sides of the air bellow are threadedly connected with bolts, and the number of the bolts is four.

[0023] By adopting the technical scheme, the bolts connect the air bellow and the box cover, and the stability is strong.

[0024] The further setting of the utility model is that one end of the protective frame is fixedly connected with a controller, and the bottom of the protective frame is fixedly connected with a connecting plate.

[0025] By adopting the technical scheme, the controller receives the signal of the pressure sensor, and the connecting plate installs the protective frame and is convenient to dismount.

[0026] The utility model has the beneficial effects that:

[0027] 1. The utility model discloses a jet loom body, a protective frame, an air bellow, a cylinder, an extension rod, a buffer cavity, a suction nozzle, a first extension sleeve, an electronic valve, a pressure sensor and a second extension sleeve are arranged in cooperation, so that when the device is used, the protective frame is installed on the top of the jet loom body, the second extension sleeve sucks the inside of the buffer cavity, the suction force is moderate, so that the suction nozzle can play a dust removal role, when the jet loom body stops, the jet equipment continues to jet, the yarn in the jet loom body receives the impact of airflow, the airflow impacts the pressure sensor, after the increase of the sensed pressure, the electronic valve is automatically opened, the suction force at the suction nozzle is increased, the cylinder drives the extension rod to extend, the first extension sleeve extends, the buffer cavity is lowered by a certain height, the suction nozzle is close to the upper surface of the yarn, so that air is sucked, the impact of the airflow is buffered, the balance of the pressure received by the yarn is kept, the yarn is prevented from being broken, and the worker can have time to close the jet device.

[0028] 2. The utility model, through the cooperation setting between box cover, partition frame, air pump, exhaust pipe, air suction cover, clamping groove, mounting plate, plug rod, filter screen, fan, air outlet pipe, bolt, controller and connecting plate, can make the device when using, the box cover covers after, the partition frame separates the wind box internal space, the electronic valve starts after, the air pump starts and draws, the first telescopic sleeve pipe draws and increases the suction force in the buffer cavity, a plurality of suction nozzles are same in distance, the partition frame is installed, the bottom is clamped into the clamping groove, the mounting plate and plug rod correspond, plug rod is inserted into the mounting plate, filter screen filters dust, the fan works when dust removal, air outlet pipe discharges air to the outside, the dust removal effect is stronger, the bolt connects the wind box and the box cover, the stability is stronger, the controller receives the signal of pressure sensor, the connecting plate installs the protection frame, and it is convenient to dismount. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0030] Figure 1 It is the structural schematic diagram of the utility model;

[0031] Figure 2 It is the structural schematic diagram of the buffer cavity of the utility model;

[0032] Figure 3 It is the utility model Figure 2 The enlarged structural schematic diagram of A in the utility model;

[0033] Figure 4 It is the structural schematic diagram of the air suction cover of the utility model.

[0034] In the drawing, 1, air jet loom body;2, protection frame;3, wind box;4, air cylinder;5, telescopic link;6, buffer cavity;7, suction nozzle;8, first telescopic sleeve pipe;9, electronic valve;10, pressure sensor;11, second telescopic sleeve pipe;12, box cover;13, partition frame;14, air pump;15, exhaust pipe;16, air suction cover;17, clamping groove;18, mounting plate;19, plug rod;20, filter screen;21, fan;22, air outlet pipe;23, bolt;24, controller;25, connecting plate. DETAILED DESCRIPTION

[0035] The technical solutions of the utility model will be described clearly and completely in connection with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without making creative labor belong to the protection scope of the utility model.

[0036] With reference to Figures 1-4The utility model provides a jet loom shutdown yarn automatic protection device, including jet loom body 1, the top movable mounting of jet loom body 1 has the protection frame 2, the top fixedly connected with the wind box 3 of protection frame 2, the top fixedly connected with the air cylinder 4 of protection frame 2 inner wall, the output fixedly connected with telescopic link 5 of air cylinder 4, the bottom fixedly connected with buffer cavity 6 of telescopic link 5, the bottom fixedly connected with suction nozzle 7 of buffer cavity 6, the top fixedly connected with first telescopic sleeve 8 of buffer cavity 6, the outer surface of first telescopic sleeve 8 is provided with electronic valve 9, the bottom fixedly connected with pressure sensor 10 of buffer cavity 6, the top fixedly connected with second telescopic sleeve 11 of buffer cavity 6, when using, the top of jet loom body 1 is installed with protection frame 2, and second telescopic sleeve 11 is sucked to buffer cavity 6 inside, and the suction force is moderate, so that suction nozzle 7 can play the role of dust removal, when jet loom body 1 stops, jet equipment continues to jet, and the yarn inside jet loom body 1 receives the impact of airflow, and airflow impact pressure sensor 10, after the increase of the induction pressure, electronic valve 9 is automatically opened, and suction nozzle 7 increases suction force, and at the same time, air cylinder 4 drives telescopic link 5 to extend, and first telescopic sleeve 8 extends, makes buffer cavity 6 drop a certain height, and suction nozzle 7 is close to the upper surface of yarn, so as to suck air, buffer airflow impact, keep the balance of yarn received pressure, prevent yarn breakage, so that the staff can have time to close jet device, the top of wind box 3 is clamped with box cover 12, the bottom fixedly connected with the partition frame 13 of box cover 12, after box cover 12 covers, the interior space of wind box 3 is separated with partition frame 13, the bottom fixedly connected with air pump 14 of box cover 12, the output fixedly connected with exhaust pipe 15 of air pump 14, after electronic valve 9 starts, air pump 14 starts to suck, and first telescopic sleeve 8 increases suction force to the suction of buffer cavity 6 inside, the bottom fixedly connected with suction hood 16 of suction nozzle 7, the number of suction nozzle 7 is several, and suction hood 16 is beneficial to the inhalation of airflow, and the distance between two two suction nozzles 7 is same, the bottom fixedly connected with the clamping groove 17 of wind box 3 inner wall, the inner wall of clamping groove 17 is clamped with partition frame 13, when installing partition frame 13, the bottom is clamped into clamping groove 17, the inner wall fixedly connected with mounting plate 18 of partition frame 13, the inside of mounting plate 18 is inserted with plug rod 19, and mounting plate 18 and plug rod 19 correspond, and plug rod 19 is inserted into mounting plate 18, the bottom fixedly connected with filter screen 20 of plug rod 19, the inside fixedly connected with fan 21 of box cover 12, filter screen 20 filters dust, and fan 21 works when dusting, the top fixedly connected with air outlet pipe 22 of fan 21, and air outlet pipe 22 extends to the outer surface of box cover 12, and air outlet pipe 22 discharges air to the outside, and the dust removal effect is stronger, and the both sides of wind box 3 are all screw -threaded with bolt 23, and the number of bolt 23 is four, and bolt 23 connects wind box 3 and box cover 12, and the stability is stronger, one end fixedly connected with controller 24 of protection frame 2, the bottom fixedly connected with connecting plate 25 of protection frame 2, and controller 24 receives the signal of pressure sensor 10, and connecting plate 25 installs protection frame 2, and it is convenient to dismount.

[0037] The utility model discloses a cooperation between air jet loom body 1, guard frame 2, wind box 3, cylinder 4, telescopic link 5, buffer cavity 6, suction nozzle 7, first telescopic sleeve 8, electronic valve 9, pressure sensor 10 and second telescopic sleeve 11 can make the device when using, the staff when using, install guard frame 2 on the top of air jet loom body 1, and the second telescopic sleeve 11 carries out suction to buffer cavity 6 inside, and the suction force is moderate, thereby suction nozzle 7 can play the role of dust removal, when air jet loom body 1 stops, air jet equipment continues to jet, and the yarn inside air jet loom body 1 receives the impact of airflow, and airflow impact pressure sensor 10, and after the increase of the inductive pressure, electronic valve 9 is automatically opened, and suction nozzle 7 increases suction force, and simultaneously cylinder 4 drives telescopic link 5 to extend, and first telescopic sleeve 8 extends, makes buffer cavity 6 drop certain height, and suction nozzle 7 is close to the upper surface of yarn, thereby carries out suction, and the impact of buffer airflow is kept, and the balance of yarn receiving pressure is kept, and yarn breakage is prevented, and the staff can have time to close air jet device, through the cooperation between box cover 12, partition frame 13, air pump 14, exhaust pipe 15, air suction cover 16, clamping groove 17, mounting plate 18, plug rod 19, filter screen 20, fan 21, air outlet pipe 22, bolt 23, controller 24 and connecting plate 25, the device can be used, after box cover 12 is covered, partition frame 13 separates the internal space of wind box 3, air pump 14 starts suction after electronic valve 9 starts, and first telescopic sleeve 8 increases suction force inside buffer cavity 6, and air suction cover 16 is beneficial to the suction of airflow, and if several suction nozzles 7 are same in distance, when installing partition frame 13, the bottom is clamped into clamping groove 17, mounting plate 18 and plug rod 19 correspond, plug rod 19 is inserted into mounting plate 18, filter screen 20 filters dust, and fan 21 works when dusting, and air outlet pipe 22 discharges air to the outside, and the dust removal effect is stronger, and bolt 23 connects wind box 3 and box cover 12, and the stability is stronger, and controller 24 receives the signal of pressure sensor 10, and connecting plate 25 installs guard frame 2, and is convenient to disassemble.

[0038] Although the embodiments of the utility model 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 these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic yarn protection device at the stoppage of an air-jet loom, comprising an air-jet loom body (1), characterized in that: The top of the air jet loom body (1) is movably mounted with a protective frame (2), the top of the protective frame (2) is fixedly connected with a wind box (3), the top of the inner wall of the protective frame (2) is fixedly connected with an air cylinder (4), the output end of the air cylinder (4) is fixedly connected with a telescopic rod (5), the bottom of the telescopic rod (5) is fixedly connected with a buffer cavity (6), the bottom of the buffer cavity (6) is fixedly connected with a suction nozzle (7), the top of the buffer cavity (6) is fixedly connected with a first telescopic sleeve (8), the outer surface of the first telescopic sleeve (8) is provided with an electronic valve (9), the bottom of the buffer cavity (6) is fixedly connected with a pressure sensor (10), and the top of the buffer cavity (6) is fixedly connected with a second telescopic sleeve (11).

2. A device for automatic yarn protection during loom stoppage according to claim 1, characterized in that: The top of the wind box (3) is clamped with a box cover (12), and the bottom of the box cover (12) is fixedly connected with a partition frame (13).

3. A device for automatic yarn protection during loom stoppage according to claim 2, characterized in that: The bottom of the box cover (12) is fixedly connected with an air pump (14), and the output end of the air pump (14) is fixedly connected with an exhaust pipe (15).

4. A device for automatic yarn protection during loom stoppage according to claim 1, characterized in that: The bottom of the suction nozzle (7) is fixedly connected with a suction cover (16), and the number of the suction nozzle (7) is several.

5. A device for automatic yarn protection during loom stoppage according to claim 1, characterized in that: The bottom of the inner wall of the wind box (3) is fixedly connected with a clamping groove (17), and the inner wall of the clamping groove (17) is clamped with the partition frame (13).

6. A device for automatic yarn protection during loom stoppage according to claim 2, characterized in that: The inner wall of the partition frame (13) is fixedly connected with a mounting plate (18), and the inside of the mounting plate (18) is inserted with a plug rod (19).

7. A device for automatic yarn protection during loom stoppage according to claim 6, characterized in that: The bottom of the plug rod (19) is fixedly connected with a filter screen (20), and the inside of the box cover (12) is fixedly connected with a fan (21).

8. A device for automatic yarn protection during loom stoppage according to claim 7, characterized in that: The top of the fan (21) is fixedly connected with an air outlet pipe (22), and the air outlet pipe (22) extends to the outer surface of the box cover (12).

9. A device for automatic yarn protection during loom stoppage according to claim 1, characterized in that: Both sides of the wind box (3) are threadedly connected with bolts (23), and the number of the bolts (23) is four.

10. A device for automatic yarn protection during loom stoppage according to claim 1, characterized in that: One end of the protective frame (2) is fixedly connected with a controller (24), and the bottom of the protective frame (2) is fixedly connected with a connecting plate (25).

Citation Information

Patent Citations

  • Air-jet loom with parking protection function

    CN114000245A