Nozzle for air jet loom capable of conveniently adjusting air jet direction

Abstract

The invention provides an air jet loom nozzle capable of conveniently adjusting the air jet direction, and relates to the technical field of loom nozzles, the air jet loom nozzle comprises a mounting rack, two groups of rack body structures are arranged above the mounting rack, and a control group is fixedly arranged at the tops of the two groups of rack body structures; two sets of side lead screws are rotationally arranged in the two sides of the mounting frame, a control shaft is arranged in the control set, and bevel gears are arranged between the control shaft and the tops of the side lead screws and are in transmission connection with a linkage shaft. Regulation and control seats are arranged in the two groups of mounting frames in a sliding manner; the multi-angle adjusting function is achieved, the spraying requirements of different angles and positions can be met, when the spraying height needs to be adjusted, a packing screw on the rear side of a selected adjusting and controlling base is screwed down, a rear three-end piston is pushed through the packing screw, the rear three-end piston is extruded to open clamping blocks on the two sides, the clamping blocks make contact with a rotating nut, and the spraying height is adjusted. And at the moment, the adjusting and controlling seat can be lifted by rotating the side lead screw, and the problem that an existing nozzle lacks multi-angle adaptive capacity is solved.

Description

Technical Field

[0001] The invention relates to the technical field of loom nozzles, and in particular to a nozzle for an air jet loom which is convenient for adjusting the air jet direction. 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 loom nozzle is its most important working component. The weaving thread is guided to the corresponding position for weft yarn through the principle of wind pressure. Generally, multiple groups of nozzles are set, and the nozzles are guided in different directions as needed.

[0003] The nozzles currently used have the following disadvantages: 1. The adjustment mechanism mainly sprays the nozzle as a whole, which is inconvenient to adjust with the nozzle as the center and lacks adaptive adjustment function; 2. It is inconvenient to detect wind speed and pressure during the jetting process and make adaptive adjustments; 3. Lack of control effect of coordinated adaptation and regulation. Summary of the invention

[0004] In view of this, the present invention aims at the above-mentioned deficiencies in the prior art and provides a nozzle for an air jet loom which is convenient for adjusting the air jet direction.

[0005] The present invention provides a nozzle for an air jet loom that is convenient for adjusting the air jet direction, specifically comprising: a mounting frame, wherein two groups of frame structures are arranged above the mounting frame, and a control group is fixedly arranged on the top of the two groups of frame structures; two groups of side screws are rotatably arranged inside the two sides of the mounting frame, a control shaft is arranged in the control group, and a bevel gear and a linkage shaft are arranged between the control shaft and the top of the side screw for transmission connection; an adjusting seat is slidably arranged in the two groups of mounting frames, and rotating nuts are rotatably arranged on both sides of the adjusting seat, and the rotating nuts are threadedly connected with the side screws; a transmission device is fixedly arranged at the front end of the adjusting seat, and a rotating frame is rotatably arranged on the top of the transmission device; an elevation frame is rotatably arranged on the top of the rotating frame, and an assembly ring is integrally arranged on the top of the elevation frame; A main nozzle, wherein an inner guide block is fixedly provided inside the main nozzle via a threaded connection; a nozzle tube is fixedly provided at the rear end of the main nozzle via a threaded connection; the rear end of the nozzle tube is externally provided with a shoulder structure and is fitted and clamped in the assembly ring; a connector is fixedly provided at the bottom of the main nozzle via a threaded connection, and a flow meter is sealed and rotatably connected to the outside of the connector.

[0006] Optionally, an extension tube is integrally provided on the rear side of the regulating seat, and a tightening screw is provided in the extension tube through a threaded connection.

[0007] Optionally, a three-end piston is fixedly arranged inside the regulating seat and the extension tube, and blocks are fixedly arranged on the telescopic ends on both sides of the three-end piston, which can fit the rotating nut; a spring is provided on the outer sleeve of the rear telescopic end of the three-end piston, and the rear telescopic end of the three-end piston contacts the tightening screw.

[0008] Optionally, a control worm is rotatably arranged inside the transmission device, and a micro motor A for controlling the control worm is fixedly arranged on one side of the transmission device; a control worm wheel is arranged outside the rotating shaft of the rotating frame, and the control worm wheel is drivingly connected to the control worm wheel.

[0009] Optionally, the front side of the rotating frame is a U-shaped structure that turns downward, a control screw is rotatably arranged inside the lower front side of the rotating frame, a micro motor B is fixedly arranged at the front end of the rotating frame, and the rotating frame is transmission-connected to the control screw; a nut block is threadedly arranged outside the control screw, and a connecting rod is hingedly arranged above the nut block.

[0010] Optionally, a card table is fixedly provided at the front end of the elevation frame, and the card table is fixed to the bottom of the main nozzle through a connecting head, and the connecting head connects the main nozzle with the flow meter.

[0011] Optionally, a pressure gauge is provided on the rear side of the flow meter through a threaded connection, a pressure sensor is fixedly provided inside the pressure gauge, an inner slider is slidably provided inside the pressure gauge, and the inner slider can fit the pressure sensor.

[0012] Optionally, an external frame is fixedly provided on the front side of the controller, one side of the external frame is bent backward, a micro-electric cylinder is fixedly provided at the turning point, a flow control valve block is fixedly provided at the telescopic end of the micro-electric cylinder, and the flow control valve block is inserted into the controller; a channel restricted by the flow control valve block is opened in the controller, and an integrated pipeline is provided at the front end of the controller to connect to the air source.

[0013] The beneficial effects are as follows: 1. The present invention is provided with a multi-angle adjustment function, which can adapt to the injection needs of different angles and positions. When the injection height needs to be adjusted, the tightening screw on the rear side of the selected regulating seat is tightened, and the tightening screw is used to advance the rear three-end piston, and the rear three-end piston is squeezed to open the blocks on both sides, and the blocks are used to contact the rotating nut to fix the rotating nut. At this time, the regulating seat can be lifted by rotating the side screw, and the control worm is used to drive the worm wheel to rotate, so that the rotating frame can be adjusted circumferentially, and the control screw drives the nut block to move. The angle of the elevation frame can be adjusted in conjunction with the connecting rod, and the elevation angle of the main nozzle can be adjusted to achieve a complete control angle.

[0014] 2. The present invention can monitor wind speed and wind pressure. After the air passes through the anemometer, the speed is measured by the impeller, and then the air passes through the connector to enter the main nozzle for jetting. During this period, pressure will be applied to the inner slider, and the inner slider will be used to feed back the pressure to the pressure sensor for air pressure monitoring and feedback. If an abnormality or deviation occurs, the micro-electric cylinder can be controlled by the program to achieve automatic adjustment.

[0015] 3. In addition, the controller is connected to an external air source. When the compressed air enters the controller, it passes through its internal channel and then enters the flow meter. During this period, the micro-electric cylinder is controlled to adjust the opening and closing of the flow control valve block, which can adjust the air flow speed and air pressure, realize automatic control, and ensure the normal operation of the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of the present invention is shown; Figure 2 The isometric structural diagram of an embodiment of the present invention is shown; Figure 3 A schematic diagram of a three-dimensional cross-sectional structure of an embodiment of the present invention is shown; Figure 4 The isometric cross-sectional structure schematic diagram of an embodiment of the present invention is shown; Figure 5 A schematic diagram of the angle adjustment structure of an embodiment of the present invention is shown; Figure 6 The embodiment of the present invention is shown Figure 5 A schematic diagram of the structure from another angle; Figure 7 A schematic diagram of the three-end structure of a piston in an embodiment of the present invention is shown; Figure 8 A local enlarged structural schematic diagram of an embodiment of the present invention is shown.

[0017] Reference numerals list 1. Mounting frame; 101. Control group; 102. Side lead screw; 103. Adjusting seat; 104. Rotating nut; 105. Extension tube; 106. Tightening screw; 107. Three-end piston; 108. Block; 2. Transmission; 201. Control worm; 202. Micro motor A; 3. Rotating frame; 301. Control lead screw; 302. Micro motor B; 303. Nut block; 304. Connecting rod; 305. Control worm gear; 4. Elevation frame; 401. Assembly ring; 402. Card table; 5. Main nozzle; 501. Inner guide block; 502. Nozzle tube; 503. Connector; 6. Flow meter; 7. Pressure gauge; 701. Pressure sensor; 702. Inner slider; 8. Controller; 801. External frame; 802. Micro cylinder; 803. Flow control valve block. DETAILED DESCRIPTION

[0018] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention.

[0019] Example 1: Please refer to the attached drawings in the specification. Figures 1 to 8 As shown: The present invention proposes a nozzle for an air jet loom that is convenient for adjusting the jet direction, comprising: a mounting frame 1, wherein two sets of frame structures are arranged above the mounting frame 1, and a control group 101 is fixedly arranged on the top of the two sets of frame structures; two sets of side screws 102 are rotatably arranged inside the two sides of the mounting frame 1, a control shaft is arranged in the control group 101, and a bevel gear and a linkage shaft are arranged between the control shaft and the top of the side screw 102 for transmission connection; an adjusting seat 103 is slidably arranged in the two sets of mounting frames 1, and a rotating nut 104 is rotatably arranged on both sides of the adjusting seat 103, and the rotating nut 104 is threadedly connected with the side screw 102; a transmission device 2 is fixedly arranged at the front end of the adjusting seat 103, and a rotating frame 3 is rotatably arranged on the top of the transmission device 2; an elevation frame 4 is rotatably arranged on the top of the rotating frame 3, and an assembly ring 401 is integrally arranged on the top of the elevation frame 4; The main nozzle 5 has an inner guide block 501 fixedly provided inside the main nozzle 5 by a threaded connection; the rear end of the main nozzle 5 has a nozzle tube 502 fixedly provided by a threaded connection; the rear end of the nozzle tube 502 is a shoulder structure and is fitted in the assembly ring 401; the bottom of the main nozzle 5 has a connector 503 fixedly provided by a threaded connection, and the outside of the connector 503 is sealed and rotatably connected to a flow meter 6.

[0020] An extension tube 105 is integrally provided on the rear side of the regulating seat 103 , and a tightening screw 106 is provided in the extension tube 105 through a threaded connection.

[0021] Among them, a three-end piston 107 is fixedly installed inside the regulating seat 103 and the extension tube 105, and blocks 108 are fixedly installed on the telescopic ends on both sides of the three-end piston 107, and the blocks 108 can fit the rotating nut 104; a spring is provided on the outer sleeve of the rear telescopic end of the three-end piston 107, and the rear telescopic end of the three-end piston 107 contacts the tightening screw 106.

[0022] Among them, a control worm 201 is rotatably arranged inside the transmission device 2, and a micro motor A202 for controlling the control worm 201 is fixedly arranged on one side of the transmission device 2; a control worm wheel 305 is arranged outside the rotating shaft of the rotating frame 3, and the control worm wheel 305 is transmission-connected to the control worm 201.

[0023] Among them, the front side of the rotating frame 3 is a U-shaped structure that turns downward. A control screw 301 is rotatably arranged inside the lower front side of the rotating frame 3. A micro motor B302 is fixedly arranged at the front end of the rotating frame 3. The rotating frame 3 is transmission-connected to the control screw 301. A nut block 303 is threadedly connected to the outside of the control screw 301, and a connecting rod 304 is hingedly arranged above the nut block 303.

[0024] Among them, a clamping table 402 is fixedly provided at the front end of the elevation frame 4, and the clamping table 402 is fixed to the bottom of the main nozzle 5 through a connecting head 503, and the connecting head 503 connects the main nozzle 5 with the flow meter 6.

[0025] Among them, the rear side of the flow meter 6 is provided with a pressure gauge 7 through a threaded connection, the interior of the pressure gauge 7 is fixedly provided with a pressure sensor 701, and the interior of the pressure gauge 7 is slidably provided with an inner slider 702, which can fit the pressure sensor 701.

[0026] Among them, an external frame 801 is fixedly provided on the front side of the controller 8, one side of the external frame 801 is turned backward, and a micro-electric cylinder 802 is fixedly provided at the turning point, and a flow control valve block 803 is fixedly provided at the telescopic end of the micro-electric cylinder 802, and the flow control valve block 803 is inserted into the controller 8; a channel restricted by the flow control valve block 803 is opened in the controller 8, and an integrated pipeline is provided at the front end of the controller 8 to connect to the air source.

[0027] like Figure 1-8 As shown, when the spray height needs to be adjusted, the two sets of side screws 102 can be directly driven by rotating the control shaft, and the side screws 102 are used to provide drive; If a group of regulating seats 103 needs to be lifted, tighten the rear tightening screw 106 of the group of regulating seats 103, use the tightening screw 106 to push the rear three-end piston 107, squeeze the rear three-end piston 107 to open the two-side clamping blocks 108, use the clamping blocks 108 to contact the rotating screw 104, and temporarily fix the rotating screw 104. At this time, the regulating seat 103 can be lifted by rotating the side screw 102; On the contrary, after the rotating screw nut 104 is unlocked, the rotating screw nut 104 will idle; The micro motor A202 is started to drive the control worm 201 to rotate, and the control worm 201 drives the control worm wheel 305 to rotate, so that the rotating frame 3 can be adjusted in the circumferential direction; The micro motor B302 is started to drive the control screw 301 to rotate, and the control screw 301 drives the nut block 303 to move. The angle of the elevation frame 4 can be adjusted in coordination with the connecting rod 304, so as to adjust the elevation angle of the main nozzle 5.

[0028] Example 2: Based on Example 1, the controller 8 is connected to an external air source. When the compressed air enters the controller 8, it passes through its internal channel and then enters the flow meter 6. During this period, the micro-electric cylinder 802 is controlled to adjust the opening and closing of the flow control valve block 803, so as to adjust the air flow speed and air pressure.

[0029] Example 3: Based on Example 2, the air passes through the flow meter 6 and then is measured by the impeller, and then passes through the connector 503 to enter the main nozzle 5 for jetting. During this period, pressure is applied to the inner slider 702, and the inner slider 702 is used to feed back the pressure to the pressure sensor 701 for air pressure monitoring and feedback. If an abnormality or deviation occurs, the micro-electric cylinder 802 can be controlled by the program to achieve automatic adjustment.

[0030] Specific usage and function of this embodiment: In the present invention, when it is necessary to adjust the injection height, you can directly choose to use the method of rotating the control shaft to drive the two sets of side screws 102 to rotate, and use the side screws 102 to provide drive; if you need to lift which set of regulating seats 103, tighten the rear tightening screw 106 of the regulating seat 103, use the tightening screw 106 to push the rear three-end piston 107, squeeze the rear three-end piston 107 to open the two side blocks 108, use the block 108 to contact the rotating nut 104, and temporarily fix the rotating nut 104. At this time, rotating the side screw 102 can lift the regulating seat 103; on the contrary, after unlocking the rotating nut 104, the rotating nut 104 will idle; Start the micro motor A202 to drive the control worm 201 to rotate, and use the control worm 201 to drive the control worm wheel 305 to rotate, so that the rotating frame 3 can be adjusted in the circumferential direction; start the micro motor B302 to drive the control lead screw 301 to rotate, and the control lead screw 301 drives the nut block 303 to move, and cooperate with the connecting rod 304 to adjust the angle of the elevation frame 4, so as to adjust the elevation angle of the main nozzle 5; The controller 8 is connected to an external gas source. When the compressed gas enters the controller 8, it passes through its internal channel and then enters the flow meter 6. During this period, the micro-electric cylinder 802 is controlled to adjust the opening and closing of the flow control valve block 803, so that the air flow speed and air pressure can be adjusted. After passing through the flow meter 6, the air is measured by the impeller, and then passes through the connector 503 to enter the main nozzle 5 for ejection. During this period, pressure is applied to the inner slider 702, and the inner slider 702 is used to feed back the pressure to the pressure sensor 701 for air pressure monitoring feedback. If an abnormality or deviation occurs, the micro-electric cylinder 802 can be controlled by the program to achieve automatic adjustment.

Claims

1. A nozzle for an air jet loom that is convenient for adjusting the air jet direction, comprising: The mounting frame (1) is provided with two sets of frame structures above the mounting frame (1), and a control group (101) is fixedly provided on the top of the two sets of frame structures; two sets of side screws (102) are rotatably provided inside the two sides of the mounting frame (1), a control shaft is provided in the control group (101), and a bevel gear and a linkage shaft are provided between the control shaft and the top of the side screw (102) for transmission connection; the characteristic is that an adjustment seat (103) is slidably provided in the two sets of mounting frames (1), a rotating nut (104) is rotatably provided on both sides of the adjustment seat (103), and the rotating nut (104) is threadedly connected to the side screw (102); a transmission device (2) is fixedly provided at the front end of the adjustment seat (103), and a rotating frame (3) is rotatably provided on the top of the transmission device (2); an elevation frame (4) is rotatably provided on the top of the rotating frame (3), and an assembly ring (401) is integrally provided on the top of the elevation frame (4); A main nozzle (5), wherein an inner guide block (501) is fixedly provided inside the main nozzle (5) via a threaded connection; a nozzle tube (502) is fixedly provided at the rear end of the main nozzle (5) via a threaded connection; the rear end of the nozzle tube (502) is provided with a shoulder structure and is fitted and clamped in the assembly ring (401); a connector (503) is fixedly provided at the bottom of the main nozzle (5) via a threaded connection, and a flow meter (6) is sealed and rotatably connected to the outside of the connector (503).

2. A nozzle for an air jet loom with convenient adjustment of the air jet direction as claimed in claim 1, characterized in that: An extension tube (105) is integrally provided on the rear side of the regulating seat (103), and a tightening screw (106) is provided in the extension tube (105) through a threaded connection.

3. A nozzle for an air jet loom with convenient adjustment of the air jet direction as claimed in claim 2, characterized in that: A three-end piston (107) is fixedly arranged inside the regulating seat (103) and the extension tube (105); clamping blocks (108) are fixedly arranged at both telescopic ends of the three-end piston (107); the clamping blocks (108) are capable of fitting with the rotating nut (104); a spring is arranged on the outer sleeve of the rear telescopic end of the three-end piston (107); the rear telescopic end of the three-end piston (107) contacts the tightening screw (106).

4. A nozzle for an air jet loom with convenient adjustment of the air jet direction as claimed in claim 1, characterized in that: A control worm (201) is rotatably arranged inside the transmission device (2), and a micro motor A (202) for controlling the control worm (201) is fixedly arranged on one side of the transmission device (2); a control worm wheel (305) is arranged outside the rotating shaft of the rotating frame (3), and the control worm wheel (305) is drivingly connected to the control worm (201).

5. A nozzle for an air jet loom with convenient adjustment of the air jet direction as claimed in claim 1, characterized in that: The front side of the rotating frame (3) is a U-shaped structure that turns downwards; a control screw (301) is rotatably arranged inside the lower front side of the rotating frame (3); a micro motor B (302) is fixedly arranged at the front end of the rotating frame (3); the rotating frame (3) is transmission-connected to the control screw (301); a nut block (303) is arranged on the outside of the control screw (301) via a threaded connection; a connecting rod (304) is hingedly arranged above the nut block (303).

6. A nozzle for an air jet loom with convenient adjustment of the air jet direction as claimed in claim 1, characterized in that: A clamping platform (402) is fixedly provided at the front end of the elevation frame (4); the clamping platform (402) is fixed to the bottom of the main nozzle (5) via a connecting head (503); and the connecting head (503) connects the main nozzle (5) with the flow meter (6).

7. A nozzle for an air jet loom with convenient adjustment of the air jet direction as claimed in claim 1, characterized in that: The rear side of the flow meter (6) is provided with a pressure gauge (7) through a threaded connection, a pressure sensor (701) is fixedly provided inside the pressure gauge (7), an inner slide block (702) is slidably provided inside the pressure gauge (7), and the inner slide block (702) is capable of fitting with the pressure sensor (701).

8. A nozzle for an air jet loom with convenient adjustment of air jet direction as claimed in claim 1, characterized in that: An outer frame (801) is fixedly arranged on the front side of the controller (8); one side of the outer frame (801) is bent backwards; a micro-electric cylinder (802) is fixedly arranged at the bending point; a flow control valve block (803) is fixedly arranged at the telescopic end of the micro-electric cylinder (802); the flow control valve block (803) is inserted into the controller (8); a channel restricted by the flow control valve block (803) is opened in the controller (8); and an integrated pipeline is arranged at the front end of the controller (8) to connect to a gas source.

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