Shutdown yarn protection device of air jet loom

Abstract

The utility model relates to the field of air jet loom shutdown, and discloses an air jet loom shutdown yarn protection device which comprises a first fixing plate, supporting frames are fixedly installed on the left side and the right side of the top of the first fixing plate, a second fixing plate is fixedly installed on the tops of the supporting frames, and a rotating shaft is rotatably installed on the inner side of the second fixing plate. Compared with the prior art, the device has the following advantages and effects that through the arranged moving assembly, the device can drive the lead screw to rotate by controlling the second motor, the lead screw can drive the sliding frame to conduct stress movement through thread fit after rotating, the sliding frame can slide after being stressed due to the fact that the sliding frame can be limited through a limiting rod, and the sliding frame can be conveniently moved. The air compressor above the sliding frame is started, the air compressor can transmit air flow to the inner side of the connecting box through the connecting pipe, the connecting box guides the air flow through the conical spray head, and the air flow can guide and convey the weft.

Description

Technical Field

[0001] The utility model relates to the technical field of air jet loom shutdown, in particular to a shutdown yarn protection device for an air jet loom. Background Art

[0002] Air jet loom is a shuttleless loom that uses jet airflow to pull the weft yarn through the shed. The working principle is to use air as the weft insertion medium, and use the jetted compressed airflow to generate friction traction on the weft yarn to pull the weft yarn through the shed, and achieve the purpose of weft insertion through the jet generated by the air jet;

[0003] The announcement number CN 220579512 U discloses a yarn protection device for a jet loom when the machine is stopped, comprising a housing, a nozzle and a control panel, an air compressor is installed on the left side of the housing, and a first air pipe is installed on the top surface of the air compressor, and one end of the first air pipe is connected to a second air pipe, a connecting flange is installed on the right end surface of the second air pipe, and the other end of the connecting flange is connected to a third air pipe, the nozzle is installed on the right end surface of the third air pipe, and a telescopic rod is passed through the right end surface of the inner cavity of the nozzle;

[0004] In the prior art, it is difficult to adjust the position of the gas pipeline during use of the device, and the device needs to use a gasket to block the gas pipeline, so that the gasket is easily damaged when the wind pressure is too high;

[0005] Therefore, it is necessary to design a kind of jet loom shutdown yarn protection device with relatively stable blocking. Utility Model Content

[0006] The utility model aims to provide a yarn protection device for a jet loom when the machine is stopped, which has the advantages of relatively stable blocking.

[0007] The above technical purpose of the utility model is achieved through the following technical scheme: a yarn protection device for a jet loom when it stops, comprising a first fixed plate, support frames are fixedly installed on the left and right sides of the top of the first fixed plate, a second fixed plate is fixedly installed on the top of the support frame, a rotating shaft is rotatably installed on the inner side of the second fixed plate, a pay-off roller is fixedly installed on the outer side of the rotating shaft, a fixed shaft is rotatably installed between one side of the support frame, a guide roller is fixedly installed on the outer side of the fixed shaft, a first motor is fixedly installed on the left side of the support frame, a first drive shaft is fixedly installed on the output end of the first motor, and a take-up roller is fixedly installed on the outer side of the first drive shaft; a moving component, the moving component is installed on the first fixed plate; a sealing component, the sealing component is installed on the moving component.

[0008] The utility model is further configured as follows: the moving assembly includes a second motor, a screw rod, a limit rod, a sliding frame, an air compressor, a connecting box and a fixed box; the second motor is fixedly mounted on the front inner wall of the first fixed plate; the screw rod is fixedly mounted on the output end of the second motor; the limit rod is fixedly mounted between the front and rear inner walls of the first fixed plate; the sliding frame is threadedly mounted on the outside of the screw rod; the sliding frame is slidably mounted on the outside of the limit rod; the air compressor is fixedly mounted on the top of the sliding frame; the connecting box is fixedly mounted in the middle of the top of the sliding frame; and the fixed box is fixedly mounted on the right side of the connecting box.

[0009] By adopting the technical solution, the device can be moved, thereby increasing the conveying range of the weft.

[0010] The utility model is further configured as follows: the sealing assembly includes a connecting pipe, a conical nozzle, a third motor, a second drive shaft, a turntable, a protrusion, a sealing plate and a control block, the connecting pipe is fixedly mounted on the top of the air compressor, one end of the connecting pipe is fixedly mounted on the top of the connecting box, the conical nozzle is fixedly mounted on the bottom of the connecting box, the third motor is fixedly mounted on the top inner wall of the fixed box, the second drive shaft is fixedly mounted on the output end of the third motor, the turntable is fixedly mounted on the bottom of the second drive shaft, the protrusion is fixedly mounted on the bottom of the turntable, the sealing plate is slidably mounted on the bottom inner wall of the fixed box, and the control block is fixedly mounted on one side of the sealing plate.

[0011] By adopting the above technical solution, the device is more convenient and quick when sealing the connection box, and the sealing plate is not easily damaged.

[0012] The utility model is further configured as follows: installation grooves are provided on the left and right sides of the top of the first fixing plate, the second motor is fixedly installed on the front inner wall of the installation groove, and the limit rod is fixedly installed between the front and rear inner walls of the installation groove.

[0013] By adopting the above technical solution, the mounting groove facilitates the fixing of the second motor, making the installation of the second motor and the limiting rod more convenient.

[0014] The utility model is further configured as follows: a fixing groove is provided on the top of the connection box, and one end of the connection pipe is fixedly installed on the inner side of the fixing groove.

[0015] By adopting the above technical solution, the fixing groove facilitates the installation and fixing of the connecting pipe.

[0016] The utility model is further configured as follows: a threaded hole is provided on one side of the sliding frame, and the screw rod is meshed with the threaded hole.

[0017] By adopting the above technical solution, the threaded hole makes it easy for the screw rod to drive the sliding frame to slide under force after rotation.

[0018] The utility model is further configured as follows: a limiting groove is provided on one side of the sliding frame, and the outer diameter of the limiting rod is the same as the inner diameter of the limiting groove.

[0019] By adopting the above technical solution, the limiting groove makes it easy for the limiting rod to limit the sliding frame.

[0020] The utility model is further configured as follows: a connection groove is provided at the bottom of the connection box, and the conical nozzle is fixedly installed on the inner side of the connection groove.

[0021] By adopting the above technical solution, the connecting groove facilitates the fixed installation of the conical nozzle.

[0022] The utility model is further configured as follows: a limiting sliding groove is provided on one side of the connection box, and the sealing plate is slidably installed on the inner side of the limiting sliding groove.

[0023] By adopting the above technical solution, the limiting slide groove is convenient for limiting the sealing plate.

[0024] The utility model is further configured as follows: a control groove is provided on the top of the control block, and the diameter of the protrusion is the same as the width of the control groove.

[0025] By adopting the above technical solution, the control groove makes it easy for the protrusion to drive the control block and the sealing plate to perform reciprocating linear motion.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model sets up a moving component, and the device can control the second motor to drive the screw rod to rotate, so that after the screw rod rotates, it can drive the sliding frame to move under force through thread cooperation. Since the limit rod can limit the sliding frame, the sliding frame can slide after being forced, so that the air compressor above the sliding frame is started, so that the air compressor can transmit the airflow to the inner side of the connecting box through the connecting pipe, and the connecting box guides the airflow through the conical nozzle, so that the airflow can guide and transport the weft.

[0028] 2. The utility model provides a sealing component and a wire break detection sensor at the bottom of the sliding frame. The sensor can control the third motor to drive the second drive shaft to rotate, so that the second drive shaft can drive the turntable and the protrusion to rotate, so that the protrusion can control the control block, so that the control block can drive the sealing plate to perform reciprocating linear motion, so that the sealing plate can seal the connection box, thereby stopping the gas transmission, and the sealing plate facilitates a better sealing effect and makes the sealing plate not easy to be damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 The utility model is a structural schematic diagram of a yarn protection device for a jet loom when the jet loom is stopped.

[0031] Figure 2 The utility model is a partial structural schematic diagram of a yarn protection device for a jet loom when the jet loom is stopped.

[0032] Figure 3 The utility model discloses a schematic diagram of the structure of the explosion part of a yarn protection device for a jet loom when the jet loom is stopped.

[0033] In the figure, 1, first fixed plate; 2, support frame; 3, second fixed plate; 4, rotating shaft; 5, pay-off roller; 6, fixed shaft; 7, guide roller; 8, first motor; 9, first drive shaft; 10, take-up roller; 11, second motor; 12, screw rod; 13, limit rod; 14, sliding frame; 15, air compressor; 16, connecting box; 17, fixed box; 18, connecting pipe; 19, conical nozzle; 20, third motor; 21, second drive shaft; 22, turntable; 23, bump; 24, sealing plate; 25, control block. DETAILED DESCRIPTION

[0034] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a yarn protection device for a jet loom when it is stopped, comprising a first fixed plate 1, support frames 2 are fixedly installed on the left and right sides of the top of the first fixed plate 1, a second fixed plate 3 is fixedly installed on the top of the support frame 2, a rotating shaft 4 is rotatably installed on the inner side of the second fixed plate 3, a pay-off roller 5 is fixedly installed on the outer side of the rotating shaft 4, a fixed shaft 6 is rotatably installed between one side of the support frame 2, a guide roller 7 is fixedly installed on the outer side of the fixed shaft 6, a first motor 8 is fixedly installed on the left side of the support frame 2, a first driving shaft 9 is fixedly installed on the output end of the first motor 8, and a take-up roller 10 is fixedly installed on the outer side of the first driving shaft 9; a moving component, the moving component is installed on the first fixed plate 1; a sealing component, the sealing component is installed on the moving component.

[0035] Specifically, the moving assembly includes a second motor 11, a screw rod 12, a limit rod 13, a sliding frame 14, an air compressor 15, a connecting box 16 and a fixed box 17. The second motor 11 is fixedly installed on the front inner wall of the first fixed plate 1, the screw rod 12 is fixedly installed on the output end of the second motor 11, the limit rod 13 is fixedly installed between the front and rear inner walls of the first fixed plate 1, the sliding frame 14 is threadedly installed on the outside of the screw rod 12, the sliding frame 14 is slidably installed on the outside of the limit rod 13, the air compressor 15 is fixedly installed on the top of the sliding frame 14, the connecting box 16 is fixedly installed in the middle of the top of the sliding frame 14, and the fixed box 17 is fixedly installed on the right side of the connecting box 16.

[0036] Specifically, the sealing assembly includes a connecting pipe 18, a conical nozzle 19, a third motor 20, a second drive shaft 21, a turntable 22, a protrusion 23, a sealing plate 24 and a control block 25. The connecting pipe 18 is fixedly installed on the top of the air compressor 15, one end of the connecting pipe 18 is fixedly installed on the top of the connecting box 16, the conical nozzle 19 is fixedly installed on the bottom of the connecting box 16, the third motor 20 is fixedly installed on the top inner wall of the fixed box 17, the second drive shaft 21 is fixedly installed on the output end of the third motor 20, the turntable 22 is fixedly installed on the bottom of the second drive shaft 21, the protrusion 23 is fixedly installed on the bottom of the turntable 22, the sealing plate 24 is slidably installed on the bottom inner wall of the fixed box 17, and the control block 25 is fixedly installed on one side of the sealing plate 24.

[0037] Specifically, installation grooves are provided on the left and right sides of the top of the first fixing plate 1 , the second motor 11 is fixedly installed on the front inner wall of the installation groove, and the limiting rod 13 is fixedly installed between the front and rear inner walls of the installation groove.

[0038] Specifically, a fixing groove is formed on the top of the connection box 16, and one end of the connection pipe 18 is fixedly installed inside the fixing groove.

[0039] Specifically, a threaded hole is formed on one side of the sliding frame 14 , and the screw rod 12 is engaged with the threaded hole.

[0040] Specifically, a limiting groove is provided on one side of the sliding frame 14 , and the outer diameter of the limiting rod 13 is the same as the inner diameter of the limiting groove.

[0041] Specifically, a connection groove is provided at the bottom of the connection box 16, and the conical nozzle 19 is fixedly installed on the inner side of the connection groove.

[0042] Specifically, a limiting sliding groove is provided on one side of the connection box 16, and the sealing plate 24 is slidably installed on the inner side of the limiting sliding groove.

[0043] Specifically, a control groove is formed on the top of the control block 25, and the diameter of the protrusion 23 is the same as the width of the control groove.

[0044] The specific operation is that the device can control the second motor 11 to drive the screw rod 12 to rotate, so that the screw rod 12 can drive the sliding frame 14 to move under force through threaded cooperation after rotation, because the limit rod 13 can limit the sliding frame 14, so that the sliding frame 14 can slide after being forced, so that the air compressor 15 above the sliding frame 14 is started, so that the air compressor 15 can transmit the airflow to the inner side of the connecting box 16 through the connecting pipe 18, so that the connecting box 16 guides the airflow through the conical nozzle 19, so that the airflow can be directed to the weft The wire is guided and conveyed; a wire break detection sensor is arranged at the bottom of the sliding frame 14, and the sensor can control the third motor 20 to drive the second driving shaft 21 to rotate, so that the second driving shaft 21 can drive the turntable 22 and the protrusion 23 to rotate, so that the protrusion 23 can control the control block 25, so that the control block 25 can drive the sealing plate 24 to perform reciprocating linear motion, so that the sealing plate 24 can seal the connection box 16, so that the gas can be stopped from being conveyed, and the sealing plate 24 is convenient for making the sealing effect better and making the sealing plate 24 not easy to be damaged.

Claims

1. A yarn protection device for a jet loom when it stops, characterized in that: include: A first fixed plate (1), support frames (2) are fixedly installed on the left and right sides of the top of the first fixed plate (1), a second fixed plate (3) is fixedly installed on the top of the support frame (2), a rotating shaft (4) is rotatably installed on the inner side of the second fixed plate (3), a pay-off roller (5) is fixedly installed on the outer side of the rotating shaft (4), a fixed shaft (6) is rotatably installed between one side of the support frame (2), a guide roller (7) is fixedly installed on the outer side of the fixed shaft (6), a first motor (8) is fixedly installed on the left side of the support frame (2), a first drive shaft (9) is fixedly installed on the output end of the first motor (8), and a take-up roller (10) is fixedly installed on the outer side of the first drive shaft (9); A moving assembly, the moving assembly being mounted on the first fixed plate (1); A sealing assembly is mounted on the moving assembly.

2. A yarn protection device for a jet loom when stopped according to claim 1, characterized in that: The moving assembly comprises a second motor (11), a screw rod (12), a limiting rod (13), a sliding frame (14), an air compressor (15), a connecting box (16) and a fixed box (17); the second motor (11) is fixedly mounted on the front inner wall of the first fixed plate (1); the screw rod (12) is fixedly mounted on the output end of the second motor (11); the limiting rod (13) is fixedly mounted between the front and rear inner walls of the first fixed plate (1); the sliding frame (14) is threadedly mounted on the outer side of the screw rod (12); the sliding frame (14) is slidably mounted on the outer side of the limiting rod (13); the air compressor (15) is fixedly mounted on the top of the sliding frame (14); the connecting box (16) is fixedly mounted in the middle of the top of the sliding frame (14); and the fixed box (17) is fixedly mounted on the right side of the connecting box (16).

3. The device for protecting yarn when an air jet loom is stopped according to claim 1, characterized in that: The sealing assembly comprises a connecting pipe (18), a conical nozzle (19), a third motor (20), a second drive shaft (21), a rotating disk (22), a protrusion (23), a sealing plate (24) and a control block (25); the connecting pipe (18) is fixedly mounted on the top of the air compressor (15); one end of the connecting pipe (18) is fixedly mounted on the top of the connecting box (16); the conical nozzle (19) is fixedly mounted on the bottom of the connecting box (16); the third motor (20) is fixedly mounted on the top inner wall of the fixed box (17); the second drive shaft (21) is fixedly mounted on the output end of the third motor (20); the rotating disk (22) is fixedly mounted on the bottom of the second drive shaft (21); the protrusion (23) is fixedly mounted on the bottom of the rotating disk (22); the sealing plate (24) is slidably mounted on the bottom inner wall of the fixed box (17); and the control block (25) is fixedly mounted on one side of the sealing plate (24).

4. The device for protecting yarn when an air jet loom is stopped according to claim 2, characterized in that: The first fixing plate (1) has installation grooves on the left and right sides of the top, the second motor (11) is fixedly mounted on the front inner wall of the installation groove, and the limit rod (13) is fixedly mounted between the front and rear inner walls of the installation groove.

5. The device for protecting yarn when an air jet loom is stopped according to claim 2, characterized in that: The top of the connection box (16) is provided with a fixing groove, and one end of the connection pipe (18) is fixedly installed inside the fixing groove.

6. The device for protecting yarn when an air jet loom is stopped according to claim 2, characterized in that: A threaded hole is provided on one side of the sliding frame (14), and the screw rod (12) is meshed with the threaded hole.

7. The device for protecting yarn when an air jet loom is stopped according to claim 2, characterized in that: A limiting groove is provided on one side of the sliding frame (14), and the outer diameter of the limiting rod (13) is the same as the inner diameter of the limiting groove.

8. The device for protecting yarn when an air jet loom is stopped according to claim 2, characterized in that: The bottom of the connection box (16) is provided with a connection groove, and the conical nozzle (19) is fixedly installed on the inner side of the connection groove.

9. The device for protecting yarn when an air jet loom is stopped according to claim 2, characterized in that: A limiting sliding groove is provided on one side of the connection box (16), and a sealing plate (24) is slidably mounted on the inner side of the limiting sliding groove.

10. The device for protecting yarn when an air jet loom is stopped according to claim 3, characterized in that: A control groove is formed on the top of the control block (25), and the diameter of the protrusion (23) is the same as the width of the control groove.

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