Compact spinning air return prevention device of spinning frame

Abstract

A compact spinning air return prevention device of a spinning frame belongs to the technical field of cotton textile machinery. The compact spinning air return prevention device of the spinning frame mainly comprises a cover plate, a hinge is fixedly connected to the bottom of the cover plate, a connecting block is fixedly connected to the left side of the hinge, and a first strip-shaped column is fixedly connected to the bottom of the connecting block. Through the cooperation of the first strip-shaped column, the strip-shaped hole, the stud, the first U-shaped plate, the second strip-shaped column, the fixing block and the nut, a user can fix the air return prevention device to an air outlet of a compact spinning negative pressure exhaust system of a spinning frame, and meanwhile when a negative pressure fan on the spinning frame stops running, the cover plate can be fixed to the air outlet under the action of the gravity of the cover plate. The air outlet can be covered, pressure in the pipeline cannot flow back into the spinning frame through the air outlet, and therefore the phenomena that spun yarn is blown down and broken, and white flowers of a cotton suction box are blown out of a flute pipe hole are avoided, and potential production quality hazards are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to cotton textile machinery technical field, concretely is a fine spinning machine compact spinning anti air return device. BACKGROUND

[0002] At present, the existing textile fine spinning machine compact spinning negative pressure exhaust system is all concentrated with iron skin air duct to exhaust pressure to the outdoor, generally 20-30 sets of fine spinning machines share an air duct, but when the middle one fine spinning machine doffing or temporary parking, the fine spinning machine itself negative pressure fan stops working, and in the case of no pressure to the outdoor, the pressure discharged by other fine spinning machines in the pipeline will be reversed back to the fine spinning machine through the negative pressure fan air outlet of this fine spinning machine, thereby causing the fine spinning yarn to be blown hair, broken, and the white flower in the suction box to be blown out from the flute pipe eye, which greatly damages the spinning and seriously affects the normal production. SUMMARY

[0003] In order to overcome the defects of the prior art, the present application provides a fine spinning machine compact spinning anti air return device, which solves the problem of yarn being blown by reverse air pressure, broken, or white flower in the suction box being blown out from the flute pipe eye, which affects normal production.

[0004] To achieve the above-mentioned purpose of the application, the fine spinning machine compact spinning anti air return device of the present application mainly comprises a cover plate, a hinge is fixedly connected to the bottom of the cover plate, a connecting block is fixedly connected to the left side of the hinge, a first strip-shaped column is fixedly connected to the bottom of the connecting block, a strip-shaped hole is formed in the inside of the first strip-shaped column, a threaded hole is formed in the inside wall of the strip-shaped hole, a first U-shaped plate is fixedly connected to the left end of the threaded hole, the upper and lower sides of the first strip-shaped column are attached to the inner wall of the first U-shaped plate, a second strip-shaped column is fixedly connected to the left side of the first U-shaped plate, a fixed block is fixedly connected to the left end of the second strip-shaped column, a nut is threadedly connected to the surface of the threaded hole, and the left side of the nut is attached to the right side of the first strip-shaped column.

[0005] Further, a first rubber pad is attached to the left side of the first strip-shaped column, and a second rubber pad is attached to the right side of the fixed block.

[0006] Further, a threaded hole is formed in the inside of the fixed block, a first adjusting bolt is threadedly connected to the inner wall of the threaded hole, a support ring is fixedly connected to the surface of the first adjusting bolt, a spring is fixedly connected to the upper surface of the support ring, a cylinder is fixedly connected to the inner wall of the spring, the inner wall of the cylinder is attached to the surface of the first adjusting bolt, a first buffer pad is attached to the upper surface of the cylinder and the upper surface of the spring, and the upper surface of the first buffer pad is attached to the bottom of the cover plate.

[0007] Further, the spring has a spring force greater than the gravity of the cylinder and the first buffer pad, and the spring has a spring force less than the gravity of the cylinder, the first buffer pad and the cover plate.

[0008] Further, the right side of the first column is fixedly connected with a second U-shaped plate, the inner wall of the second U-shaped plate is fixedly connected with a threaded cylinder, the inner wall of the threaded cylinder is threadedly connected with a second adjusting bolt, and the top end of the second adjusting bolt is bonded with a second buffer pad.

[0009] Further, the surface of the second adjusting bolt is provided with a circular ring, the left side of the circular ring is fixedly connected with a connecting column, the left side of the connecting column is fixedly connected with a strip-shaped ring, the inner wall of the strip-shaped ring is matched with a scale, and the left side of the scale is fixedly connected with the right side of the first column.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] 1. The first column, the strip-shaped hole, the stud, the first U-shaped plate, the second column, the fixed block and the nut are matched, so that the user can fix the anti-back air device at the air outlet of the tight spinning negative pressure exhaust system of the textile spinning frame, when the negative pressure fan on the spinning frame works, the cover plate at the air outlet is pushed away by the wind power generated by the negative pressure fan, and the pressure generated during the operation of the spinning frame is discharged, when the negative pressure fan stops running, the cover plate is covered at the air outlet under the action of its gravity, the pressure in the pipeline cannot flow back to the spinning frame through the air outlet, and the spinning yarn is not blown off, the white flower of the suction box is not blown out of the flute pipe eye, and the production quality hidden danger is eliminated.

[0012] 2. The supporting ring, the spring, the cylinder and the first buffer pad are matched, the impact force of the cover plate on the air outlet when the cover plate is covered on the air outlet is weakened, so that the cover plate is not easy to be damaged, and the position of the first buffer pad can be adjusted according to the installation position of the anti-back air device through the cooperation of the first adjusting bolt and the threaded hole. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the front view of the utility model structure.

[0014] Figure 2 is Figure 1 the right view of

[0015] Figure 3 is Figure 1 the left view of

[0016] Figure 4 is Figure 1 the bottom view of

[0017] Figure 5 isFigure 4 Enlarged view at A.

[0018] Figure 6 is Figure 1 the right view of the first bar column structure.

[0019] Figure 7 is Figure 6 the sectional view at B-B.

[0020] Figure 8 is Figure 1 the right view of the first U-shaped plate structure.

[0021] Figure 9 is Figure 1 the front view of the first U-shaped plate structure.

[0022] Figure 10 is Figure 1 the top view of the fixing block structure.

[0023] Figure 11 is Figure 1 the left view of the fixing block structure.

[0024] Figure 12 is Figure 11 the sectional view at C-C.

[0025] In the figure: 1, cover plate; 2, hinge; 3, connecting block; 4, first bar column; 5, bar hole; 6, stud; 7, first U-shaped plate; 8, second bar column; 9, fixing block; 10, nut; 11, first rubber pad; 12, second rubber pad; 13, threaded hole; 14, first adjusting bolt; 15, support ring; 16, spring; 17, cylinder; 18, first buffer pad; 19, second U-shaped plate; 20, threaded cylinder; 21, second adjusting bolt; 22, second buffer pad; 23, circular ring; 24, connecting column; 25, bar ring; 26, scale. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0028] As Figure 1 , Figure 2 , Figure 3 ,Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 、 Figure 10 、 Figure 11 、 Figure 12 As shown in the drawings, the compact spinning anti-back air device of the spinning frame mainly comprises a cover plate 1, a hinge 2 fixedly connected to the bottom of the cover plate 1, a connecting block 3 fixedly connected to the left side of the hinge 2, the hinge 2 is combined by two ear plates and a pin shaft, the two ear plates are hinged together through the pin shaft, and one of the ear plates is fixed to the bottom of the cover plate 1, and the other ear plate is fixed to the right side of the connecting block 3, a first strip column 4 is fixedly connected to the bottom of the connecting block 3, a strip hole 5 is formed in the first strip column 4, a stud 6 is attached to the inner wall of the strip hole 5, a first U-shaped plate 7 is fixedly connected to the left end of the stud 6, the upper and lower sides of the first strip column 4 are attached to the inner wall of the first U-shaped plate 7, a second strip column 8 is fixedly connected to the left side of the first U-shaped plate 7, a fixed block 9 is fixedly connected to the left end of the second strip column 8, a nut 10 is threadedly connected to the surface of the stud 6, the left side of the nut 10 is attached to the right side of the first strip column 4, a first rubber pad 11 is bonded to the left side of the first strip column 4, and a second rubber pad 12 is bonded to the right side of the fixed block 9.

[0029] Through the cooperation of the stud 6 and the nut 10, the first strip column 4 and the fixed block 9 can clamp the pipeline of the negative pressure exhaust system, and the cover plate 1 is fixed at the air outlet of the negative pressure exhaust system through the clamping force, at the same time, since the stud 6 can slide in the strip hole 5, the distance between the front and rear second strip columns 8 can be adjusted according to the size of the pipeline of the negative pressure exhaust system, when the first strip column 4 and the fixed block 9 can clamp the pipeline of the negative pressure exhaust system, the anti-back air device can be fixed more firmly through the friction force between the first rubber pad 11, the second rubber pad 12 and the pipeline.

[0030] When the anti-back air device is fixed at the air outlet of the negative pressure exhaust system, the cover plate 1 can be rotated through the hinge 2, when the negative pressure fan on the spinning frame works, the cover plate 1 at the air outlet can be pushed away through the wind power generated by the negative pressure fan, and the pressure generated when the spinning frame runs is discharged, when the negative pressure fan stops running, the cover plate 1 will cover the air outlet under the action of its own gravity, and the pressure in the pipeline cannot flow back to the spinning frame through the air outlet, so that the spun yarn is not blown off, the spun yarn is not blown off, the white flower of the suction box is not blown out from the flute pipe eye, and the production quality hidden danger is eliminated.

[0031] The interior of the fixed block 9 is provided with a threaded hole 13, the inner wall of the threaded hole 13 is threadedly connected with a first adjusting bolt 14, the surface of the first adjusting bolt 14 is fixedly connected with a supporting ring 15, the upper surface of the supporting ring 15 is fixedly connected with a spring 16, the inner wall of the spring 16 is fixedly connected with a cylinder 17, the inner wall of the cylinder 17 is attached to the surface of the first adjusting bolt 14, the upper surface of the cylinder 17 and the upper surface of the spring 16 are both bonded with a first buffer pad 18, and the upper surface of the first buffer pad 18 is attached to the bottom of the cover plate 1.

[0032] The spring 16 has a spring force greater than the gravity of the cylinder 17 and the first buffer pad 18, and the spring force of the spring 16 is less than the gravity sum of the cylinder 17, the first buffer pad 18 and the cover plate 1.

[0033] When the cover plate 1 wants to cover the air outlet, the cover plate 1 first contacts the first buffer pad 18 and compresses the spring 16, at this time, the pushing force of the compressed spring 16 on the first buffer pad 18 reduces the overturning speed of the cover plate 1 and reduces the impact force of the cover plate 1 on the air outlet, so that the cover plate 1 is not easily damaged.

[0034] The right side of the first strip-shaped column 4 is fixedly connected with a second U-shaped plate 19, the inner wall of the second U-shaped plate 19 is fixedly connected with a threaded cylinder 20, the inner wall of the threaded cylinder 20 is threadedly connected with a second adjusting bolt 21, and the top end of the second adjusting bolt 21 is bonded with a second buffer pad 22. Through the cooperation of the second adjusting bolt 21 and the threaded cylinder 20, the user can adjust the position of the second buffer pad 22, and the maximum overturning angle of the cover plate 1 can be limited through the second buffer pad 22.

[0035] The surface of the second adjusting bolt 21 is sleeved with a circular ring 23, the left side of the circular ring 23 is fixedly connected with a connecting column 24, the left side of the connecting column 24 is fixedly connected with a strip-shaped ring 25, the inner wall of the strip-shaped ring 25 is attached with a scale 26, and the left side of the scale 26 is fixedly connected with the right side of the first strip-shaped column 4. Through the cooperation of the circular ring 23 and the connecting column 24, when the second adjusting bolt 21 rotates, the strip-shaped ring 25 can move up or down with the second adjusting bolt 21, and at the same time, through the cooperation of the strip-shaped ring 25 and the scale 26, the user can intuitively judge the distance between the second buffer pad 22 and the second U-shaped plate 19.

[0036] The working principle of the utility model is that: first, cover the cover plate 1 on the air outlet of the negative pressure exhaust system, and contact the second strip-shaped column 8 with the pipeline on the negative pressure exhaust system, then rotate the nut 10, the fixed block 9 and the first strip-shaped column 4 are clamped on the pipeline of the negative pressure exhaust system under the cooperation of the nut 10 and the threaded column 6, at this time, the anti-back air device is fixed on the pipeline of the negative pressure exhaust system through the clamping force, and the cover plate 1 is covered on the air outlet of the negative pressure exhaust system.

[0037] When the negative pressure fan on the spinning frame is working, the air generated by the negative pressure fan can push the cover plate 1 away from the air outlet, and discharge the pressure generated during the operation of the spinning frame, when the negative pressure fan stops working, the cover plate 1 will cover the air outlet under the action of its own gravity, and the pressure in the pipeline cannot flow back to the spinning frame through the air outlet, so that the spun yarn will not be blown off, the spun yarn will not be blown off, the white flower of the suction box will not be blown out of the flute pipe eye.

[0038] When the cover plate 1 wants to cover the air outlet, the cover plate 1 first contacts the first buffer pad 18, and the spring 16 is compressed, at this time, the pushing force of the compressed spring 16 on the first buffer pad 18 reduces the overturning speed of the cover plate 1 and reduces the impact force of the cover plate 1 on the air outlet.

[0039] At the same time, when the maximum overturning angle of the cover plate 1 needs to be adjusted, the second buffer pad 22 can be moved up or down under the cooperation of the second adjusting bolt 21 and the threaded cylinder 20, and the maximum overturning angle of the cover plate 1 is limited by the second buffer pad 22.

[0040] The above is only the preferred embodiment of the present application, it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specifically described and limited, are implemented according to the conventional means in the art.

Claims

1. A compact spinning anti-backwind device for a spinning frame, characterized by: The compact spinning anti-back draft device of the spinning frame comprises a cover plate (1), the bottom of the cover plate (1) is fixedly connected with a hinge (2), the left side of the hinge (2) is fixedly connected with a connecting block (3), the bottom of the connecting block (3) is fixedly connected with a first strip-shaped column (4), the inside of the first strip-shaped column (4) is provided with a strip-shaped hole (5), the inner wall of the strip-shaped hole (5) is attached with a stud (6), the left end of the stud (6) is fixedly connected with a first U-shaped plate (7), the upper and lower sides of the first strip-shaped column (4) are attached with the inner wall of the first U-shaped plate (7), the left side of the first U-shaped plate (7) is fixedly connected with a second strip-shaped column (8), the left end of the second strip-shaped column (8) is fixedly connected with a fixed block (9), the surface of the stud (6) is threadedly connected with a nut (10), and the left side of the nut (10) is attached with the right side of the first strip-shaped column (4).

2. The compact spinning anti-backwind device of a spinning frame according to claim 1, characterized in that: The left side of the first strip-shaped column (4) is attached with a first rubber pad (11), and the right side of the fixed block (9) is attached with a second rubber pad (12).

3. The compact spinning anti-backwind device of a spinning frame according to claim 1, characterized in that: The inside of the fixed block (9) is provided with a threaded hole (13), the inner wall of the threaded hole (13) is threadedly connected with a first adjusting bolt (14), the surface of the first adjusting bolt (14) is fixedly connected with a supporting ring (15), the upper surface of the supporting ring (15) is fixedly connected with a spring (16), the inner wall of the spring (16) is fixedly connected with a cylinder (17), the inner wall of the cylinder (17) is attached with the surface of the first adjusting bolt (14), and the upper surface of the cylinder (17) and the upper surface of the spring (16) are attached with a first buffer pad (18).

4. The compact spinning anti-backwind device of the spinning frame according to claim 3, characterized in that: The elastic force of the spring (16) is greater than the gravity of the cylinder (17) and the first buffer pad (18), and the elastic force of the spring (16) is less than the gravity of the cylinder (17), the first buffer pad (18) and the cover plate (1).

5. The compact spinning anti-backwind device of the spinning frame according to claim 1 characterized in that: The right side of the first strip-shaped column (4) is fixedly connected with a second U-shaped plate (19), the inner wall of the second U-shaped plate (19) is fixedly connected with a threaded cylinder (20), the inner wall of the threaded cylinder (20) is threadedly connected with a second adjusting bolt (21), and the top end of the second adjusting bolt (21) is attached with a second buffer pad (22).

6. The compact spinning anti-backwind device of the spinning frame according to claim 5, characterized in that: The surface of the second adjusting bolt (21) is provided with a circular ring (23), the left side of the circular ring (23) is fixedly connected with a connecting column (24), the left side of the connecting column (24) is fixedly connected with a strip-shaped ring (25), the inner wall of the strip-shaped ring (25) is attached with a scale (26), and the left side of the scale (26) is fixedly connected with the right side of the first strip-shaped column (4).

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