Adjustable drawing frame for rotor spinner

Abstract

The utility model relates to the technical field of drawing frames for spinning machines, and discloses an adjustable drawing frame for a rotor spinning machine, which comprises a rack and is characterized in that a fixing frame is fixedly mounted on the outer surface of the rack, and a plurality of first drawing rollers are rotatably connected to the outer surface of the fixing frame. A plurality of first drawing rollers are rotationally connected to the outer surface of a fixing frame, meanwhile, mounting assemblies are arranged on the outer surfaces, away from the fixing frame, of the first drawing rollers, adjusting frames are fixedly mounted on the outer surfaces of the mounting assemblies, and scale plates are fixedly mounted on the outer surfaces of the adjusting frames. A plurality of adjusting grooves are formed in the outer surfaces of the adjusting frames, the limiting clamping pieces are correspondingly inserted into the adjusting grooves with proper distances, the distances between different spinning yarns are adjusted, and therefore the effect that the drawing gaps can be adjusted according to the spinning yarns with different thicknesses is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of drawing frames for spinning machines, in particular to an adjustable drawing frame for air-jet spinning machines. Background Art

[0002] Air spinning is a new spinning technology that uses air flow to condense and twist fibers in a high-speed rotating spinning cup to output them into yarn. The function of the drawing frame is to improve the internal structure of the sliver, thereby improving the uniformity of its long segments, while reducing the weight unevenness, making the fibers in the sliver straight and parallel, reducing hooks, making the fineness meet the requirements, and making raw materials of different types or qualities mix evenly to achieve the specified mixing ratio.

[0003] The drawing frames currently used in air-spinning machines are usually unable to adjust the drawing gap according to the different thicknesses of the spinning yarns. At the same time, the spinning yarns are prone to become loose when the drawing frames are in operation, resulting in malfunctions of the drawn spinning yarns. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an adjustable drawing frame for an air-jet spinning machine to solve the problem mentioned in the above background technology that the drawing frames currently used in air-jet spinning machines usually cannot adjust the drawing gap according to the different thicknesses of spinning yarns, and at the same time, the spinning yarns are prone to become loose when the drawing frame is in operation, resulting in malfunctions of the drawn spinning yarns.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable drawing frame for an air-jet spinning machine, comprising a frame, a fixing frame is fixedly installed on the outer surface of the frame, a number of No. 1 drawing rollers are rotatably connected to the outer surface of the fixing frame, a number of the No. 1 drawing rollers are provided with mounting components on the outer surfaces away from the fixing frame, a number of the mounting components are fixedly installed with adjustment frames on the outer surfaces, a number of the adjustment frames are fixedly installed with scale plates on the outer surfaces, a number of the adjustment frames are provided with a number of adjustment grooves on the outer surfaces, a limit clamp is inserted into the inside of the adjustment groove, and the outer surface of the limit clamp is movably connected to the outer surface of the No. 1 drawing roller.

[0006] Preferably, the outer surface of the fixed frame is provided with a plurality of movable grooves, and the interiors of the plurality of movable grooves are rotatably connected with pressure rollers, the outer surface of the fixed frame is rotatably connected with a plurality of No. 2 drawing rollers, and the outer surfaces of the plurality of No. 2 drawing rollers away from the fixed frame are provided with connecting seats, and the connecting seats are fixedly connected to the mounting components, and the outer surfaces of the plurality of mounting components are rotatably connected with adjusting screws, and the outer surfaces of the adjusting screws are threadedly connected with connecting blocks, and the outer surface of the pressure roller away from the fixed frame is rotatably connected to the interior of the connecting block.

[0007] Preferably, a plurality of fixed rollers are fixedly mounted on the outer surface of the fixed frame, a plurality of limit frames are fixedly mounted on the outer surface of the fixed frame, through openings are opened on the outer surfaces of the plurality of limit frames, a plurality of the limit frames are rotatably connected inside with long screws, the long screws are connected with screw blocks through the internal threads of the limit frames, a sliding member is fixedly mounted on the outer surface of the screw block, the outer surface of the sliding member is movably connected to the inside of the through opening, the outer surface of the sliding member away from the long screw is slidably connected to the outer surface of the fixed roller, a plurality of the sliding members are fixedly mounted with connecting frames on the outer surfaces of the connecting frames, a plurality of telescopic components are arranged on the outer surfaces of the connecting frames, a mounting seat is fixedly mounted on the output ends of the plurality of telescopic components, the outer surface of the mounting seat is rotatably connected with a conveying roller, and the limit frame is arranged at the lower part of the No. 2 drawing roller.

[0008] Preferably, the outer surface of the second drawing roller is movably connected to the outer surface of the pressure roller.

[0009] Preferably, several of the adjustment grooves are in an inverted trapezoidal shape, the outer surfaces of several of the fixed rollers are provided with scale lines, and the outer surfaces of several of the long screws are fixedly mounted with adjustment twisting pieces through the interior of the limiting frame.

[0010] Preferably, two limiting rollers are fixedly mounted on the outer surfaces of a plurality of the mounting components, and the outer surfaces of the two limiting rollers are movably connected to the outer surface of the connecting block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The adjustable drawing frame for the air-jet spinning machine is connected to a plurality of No. 1 drawing rollers by rotating on the outer surface of a fixed frame, and at the same time, a plurality of No. 1 drawing rollers are provided with mounting components on the outer surfaces away from the fixed frame, and an adjusting frame is fixedly mounted on the outer surfaces of the plurality of mounting components, and a scale plate is fixedly mounted on the outer surfaces of the plurality of adjusting frames, and a plurality of adjusting grooves are provided on the outer surfaces of the plurality of adjusting frames, and the limit clamps are correspondingly inserted into the adjusting grooves of appropriate distances to adjust the spacing between different spinning lines, thereby achieving the effect of being able to adjust the drawing gap according to the spinning lines of different thicknesses.

[0013] 2. The air-jet spinning machine uses an adjustable drawing frame. The worker controls the adjusting screw to drive the connecting block to rise or fall on the outer surface of the mounting assembly, so that the pressure roller slides in the slide groove. When the spinning threads of different thicknesses pass through the middle gap formed by the pressure roller and the No. 2 drawing roller, the pressure roller and the No. 2 drawing roller are adjusted to tightly press the spinning threads, thereby reducing the situation where the spinning threads are prone to looseness when the drawing frame is in operation, which may lead to malfunctions of the drawn spinning threads. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a top view schematic diagram of the structure of the utility model;

[0016] Figure 3 The utility model structure Figure 2 Schematic diagram at A in the middle;

[0017] Figure 4 This is a schematic diagram of the front view of the structure of the utility model;

[0018] Figure 5 The utility model structure Figure 4 Schematic diagram at point B in the middle;

[0019] Figure 6 This is a front cross-sectional schematic diagram of the structure of the utility model;

[0020] Figure 7 The utility model structure Figure 6 Schematic diagram at point C in the middle.

[0021] In the figure: 1. frame; 2. fixed frame; 3. No. 1 drawing roller; 4. adjustment frame; 5. scale plate; 6. adjustment slot; 7. limit card; 8. installation assembly; 9. connecting seat; 10. No. 2 drawing roller; 11. adjustment screw; 12. connecting block; 13. movable slot; 14. pressure roller; 15. fixed roller; 16. limit frame; 17. long screw; 18. screw block; 19. through port; 20. slide; 21. connecting frame; 22. telescopic assembly; 23. installation seat; 24. conveying roller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] Please refer to Figures 1-7.

[0025] An adjustable drawing frame for an air-jet spinning machine comprises a frame 1, characterized in that: a fixing frame 2 is fixedly mounted on the outer surface of the frame 1, a plurality of No. 1 drawing rollers 3 are rotatably connected to the outer surface of the fixing frame 2, a plurality of No. 1 drawing rollers 3 are provided with mounting components 8 on the outer surfaces away from the fixing frame 2, an adjusting frame 4 is fixedly mounted on the outer surfaces of the plurality of mounting components 8, a scale plate 5 is fixedly mounted on the outer surfaces of the plurality of adjusting frames 4, a plurality of adjusting grooves 6 are opened on the outer surfaces of the plurality of adjusting frames 4, a limiting clamp 7 is inserted into the inside of the adjusting groove 6, and the outer surface of the limiting clamp 7 is movably connected to the outer surface of the No. 1 drawing roller 3.

[0026] Specifically, several No. 1 drawing rollers 3 are rotatably connected to the outer surface of the fixed frame 2, and at the same time, the outer surfaces of several No. 1 drawing rollers 3 away from the fixed frame 2 are provided with mounting components 8, and the outer surfaces of several mounting components 8 are fixedly installed with adjusting frames 4, and the outer surfaces of several adjusting frames 4 are fixedly installed with scale plates 5, and the outer surfaces of several adjusting frames 4 are opened with several adjusting grooves 6, and the limit clamps 7 are correspondingly inserted into the adjusting grooves 6 of appropriate distances to adjust the spacing between different spinning lines, thereby achieving the effect of being able to adjust the drawing gap according to the spinning lines of different thicknesses.

[0027] In the embodiment: a plurality of fixed rollers 15 are fixedly mounted on the outer surface of the fixed frame 2, a plurality of limiting frames 16 are fixedly mounted on the outer surface of the fixed frame 2, a through opening 19 is opened on the outer surfaces of the plurality of limiting frames 16, a long screw 17 is rotatably connected to the interior of the plurality of limiting frames 16, the long screw 17 is connected to a screw block 18 through the internal thread of the limiting frame 16, a sliding member 20 is fixedly mounted on the outer surface of the screw block 18, the outer surface of the sliding member 20 is movably connected to the interior of the through opening 19, the outer surface of the sliding member 20 away from the long screw 17 is slidably connected to the outer surface of the fixed roller 15, a connecting frame 21 is fixedly mounted on the outer surfaces of the plurality of sliding members 20, a plurality of telescopic components 22 are arranged on the outer surfaces of the plurality of connecting frames 21, a mounting seat 23 is fixedly mounted on the output end of the plurality of telescopic components 22, and a conveying roller 24 is rotatably connected to the outer surface of the mounting seat 23.

[0028] Specifically, when the spinning line is transmitted through the transmission roller 24, the transmission roller 24 controls the telescopic component 22 to extend or contract according to the tightness of the spinning line, appropriately adjusts the tightness of the spinning line, and the transmission roller rotates to drive the spinning line to operate, thereby speeding up the speed of drawing, reducing friction, and improving work efficiency.

[0029] In the embodiment, the plurality of adjustment slots 6 are in an inverted trapezoidal shape, the outer surfaces of the plurality of fixed rollers 15 are provided with scale lines, and the outer surfaces of the plurality of long screws 17 are fixedly mounted with adjustment twisting pieces through the interior of the limiting frame 16 .

[0030] Specifically, several adjustment grooves 6 are in an inverted trapezoidal shape, so that the limit clamp 7 is inserted into the adjustment groove 6 to adjust the strip spacing. At the same time, the outer surfaces of several fixed rollers 15 are provided with scale lines, which correspond to the scales on the scale plate 5, so as to achieve the effect of determining the strip spacing.

[0031] Working principle: a number of No. 1 drawing rollers 3 are rotatably connected to the outer surface of the fixed frame 2, and at the same time, the outer surfaces of the number 1 drawing rollers 3 away from the fixed frame 2 are provided with mounting components 8, and the outer surfaces of the several mounting components 8 are fixedly installed with adjusting frames 4, and the outer surfaces of the several adjusting frames 4 are fixedly installed with scale plates 5, and the outer surfaces of the several adjusting frames 4 are provided with a number of adjusting grooves 6, and the limit clamps 7 are correspondingly inserted into the adjustment grooves 6 of appropriate distances. When a number of spinning threads pass through the gaps set by different limit clamps 7, the spacing between different spinning threads is adjusted. Compared with the related art, the utility model provides an adjustable drawing frame for an air-jet spinning machine, which has the following beneficial effects: thereby achieving the effect of being able to adjust the drawing gap according to spinning threads of different thicknesses.

[0032] Embodiment 2:

[0033] Please refer to Figures 1-7.

[0034] The outer surface of the fixed frame 2 is provided with a plurality of movable grooves 13, and the interiors of the plurality of movable grooves 13 are rotatably connected with pressure rollers 14. The outer surface of the fixed frame 2 is rotatably connected with a plurality of No. 2 drawing rollers 10. The outer surfaces of the plurality of No. 2 drawing rollers 10 away from the fixed frame 2 are provided with connecting seats 9, and the connecting seats 9 are fixedly connected to the mounting components 8. The outer surfaces of the plurality of mounting components 8 are rotatably connected with adjusting screws 11, and the outer surfaces of the adjusting screws 11 are threadedly connected with connecting blocks 12. The outer surfaces of the pressure rollers 14 away from the fixed frame 2 are rotatably connected to the interior of the connecting blocks 12.

[0035] Specifically, the worker controls the adjusting screw 11 to drive the connecting block 12 to rise or fall on the outer surface of the mounting assembly 8, so that the pressure roller 14 slides in the slide groove. When the spinning threads of different thicknesses pass through the middle gap formed by the pressure roller 14 and the No. 2 drawing roller 10, the pressure roller 14 and the No. 2 drawing roller 10 are adjusted to tightly press the spinning threads, thereby achieving the effect of reducing the looseness of the spinning threads when the drawing frame is in operation, which may lead to malfunctions of the drawn spinning threads.

[0036] In the embodiment, the outer surface of the second drawing roller 10 is movably connected to the outer surface of the pressure roller 14 .

[0037] Specifically, the outer surface of the second drawing roller 10 is movably connected to the outer surface of the pressure roller 14, so that the minimum distance between the second drawing roller 10 and the pressure roller 14 is zero. At the same time, the limit frame 16 is arranged at the lower part of the second drawing roller 10 to pull and draw the spinning line.

[0038] In the embodiment, two limiting rollers are fixedly mounted on the outer surfaces of the plurality of mounting components 8 , and the outer surfaces of the two limiting rollers are movably connected to the outer surface of the connecting block 12 .

[0039] Specifically, two limiting rollers are fixedly installed on the outer surfaces of several installation components 8, and the outer surfaces of the two limiting rollers are movably connected to the outer surface of the connecting block 12. When the worker controls the adjusting screw 11 to drive the connecting block 12 to operate, the two limiting rollers limit the connecting block 12, so that the connecting block 12 operates along the track defined by the two limiting rollers, thereby driving the pressure roller 14 to move up and down, and adjusting the gap between the pressure roller 14 and the No. 2 drawing roller 10. The limiting frame 16 is arranged at the lower part of the No. 2 drawing roller 10.

[0040] Working principle: It is fixedly connected to the mounting assembly 8 through the connecting seat 9, and the outer surfaces of several mounting assemblies 8 are rotatably connected with adjusting screws 11, and the outer surfaces of the adjusting screws 11 are threadedly connected with the connecting blocks 12. The outer surface of the pressure roller 14 away from the fixed frame 2 is rotatably connected with the inner part of the connecting block 12. The worker controls the adjusting screw 11 to drive the connecting block 12 to thread up or down on the outer surface of the mounting assembly 8, so that the pressure roller 14 slides in the slide groove. When the spinning lines of different thicknesses pass through the middle gap formed by the pressure roller 14 and the No. 2 drawing roller 10, the pressure roller 14 and the No. 2 drawing roller 10 are adjusted to tightly press the spinning lines. Compared with the related art, the adjustable drawing frame for the air-jet spinning machine provided by the utility model has the following beneficial effects: thereby achieving the effect of reducing the situation that the spinning line is prone to looseness when the drawing frame is in operation, which leads to the failure of the drawn spinning line.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable drawing frame for an air spinning machine, comprising a frame (1), characterized in that: A fixing frame (2) is fixedly mounted on the outer surface of the frame (1); a plurality of No. 1 drawing rollers (3) are rotatably connected to the outer surface of the fixing frame (2); a plurality of No. 1 drawing rollers (3) are provided with mounting components (8) on their outer surfaces away from the fixing frame (2); an adjusting frame (4) is fixedly mounted on the outer surfaces of a plurality of the mounting components (8); a scale plate (5) is fixedly mounted on the outer surfaces of a plurality of the adjusting frames (4); a plurality of adjusting grooves (6) are provided on the outer surfaces of a plurality of the adjusting frames (4); a limiting clamp (7) is inserted into the interior of the adjusting groove (6); and the outer surface of the limiting clamp (7) is movably connected to the outer surface of the No. 1 drawing roller (3).

2. The adjustable drawing frame for an air spinning machine according to claim 1, characterized in that: The outer surface of the fixed frame (2) is provided with a plurality of movable grooves (13), the interiors of the plurality of movable grooves (13) are rotatably connected to pressure rollers (14), the outer surface of the fixed frame (2) is rotatably connected to a plurality of No. 2 drawing rollers (10), the outer surfaces of the plurality of No. 2 drawing rollers (10) away from the fixed frame (2) are provided with connecting seats (9), the connecting seats (9) are fixedly connected to the mounting assembly (8), the outer surfaces of the plurality of mounting assemblies (8) are rotatably connected to adjusting screws (11), the outer surfaces of the adjusting screws (11) are threadedly connected to the connecting blocks (12), and the outer surfaces of the pressure rollers (14) away from the fixed frame (2) are rotatably connected to the interior of the connecting blocks (12).

3. The adjustable drawing frame for an air spinning machine according to claim 1, characterized in that: A plurality of fixed rollers (15) are fixedly mounted on the outer surface of the fixed frame (2); a plurality of limiting frames (16) are fixedly mounted on the outer surface of the fixed frame (2); a plurality of the limiting frames (16) are provided with through openings (19) on their outer surfaces; a plurality of the limiting frames (16) are rotatably connected to the interior of a long screw rod (17); the long screw rod (17) is connected to a screw block (18) through the internal thread of the limiting frame (16); a sliding member (20) is fixedly mounted on the outer surface of the screw block (18); the outer surface of the sliding member (20) is rotatably connected to the through opening (19); The outer surface of the slide (20) away from the long screw (17) is slidably connected to the outer surface of the fixed roller (15), the outer surfaces of several slides (20) are fixedly mounted with connecting frames (21), the outer surfaces of several connecting frames (21) are provided with several telescopic components (22), the output ends of several telescopic components (22) are fixedly mounted with mounting seats (23), the outer surface of the mounting seats (23) is rotatably connected with a conveying roller (24), and the limiting frame (16) is arranged at the lower part of the second drawing roller (10).

4. The adjustable drawing frame for an air spinning machine according to claim 2, characterized in that: The outer surface of the second drawing roller (10) is movably connected to the outer surface of the pressing roller (14).

5. The adjustable drawing frame for an air spinning machine according to claim 3, characterized in that: The plurality of adjustment slots (6) are in an inverted trapezoidal shape, the outer surfaces of the plurality of fixed rollers (15) are provided with scale lines, and the outer surfaces of the plurality of long screws (17) are provided with adjustment twisting pieces fixedly mounted inside the limiting frame (16).

6. The adjustable drawing frame for an air spinning machine according to claim 2, characterized in that: Two limiting rollers are fixedly mounted on the outer surfaces of the plurality of mounting components (8), and the outer surfaces of the two limiting rollers are movably connected to the outer surface of the connecting block (12).

Images