Spun yarn drafting device for cotton yarn production

Abstract

The utility model discloses a spun yarn drafting device for cotton yarn production, which comprises a fixed base and an L-shaped support frame, a plurality of lower traction rollers are rotatably connected onto the U-shaped fixed frame, a power push rod is mounted at the cross arm end of the L-shaped support frame, a U-shaped lifting frame is mounted at the telescopic end of the power push rod, and a plurality of lower traction rollers are rotatably connected onto the L-shaped support frame. A plurality of upper traction rollers are rotationally connected to the n-shaped lifting frame, a cleaning box is installed on the L-shaped supporting frame, a collecting box is installed on the fixed base, a cleaning opening is formed in one side of the collecting box, a sealing plate is movably connected to the cleaning opening, a plurality of filter screens are arranged in the collecting box, and a plurality of upper traction rollers are arranged on the filter screens. The multiple filter screens are connected with the sealing plate through fixing rods. The yarn collecting device has the advantages of being suitable for yarn collecting discs of different sizes, preventing spun yarn from being broken due to different guide heights, improving product quality, preventing a filter screen from being blocked, facilitating cleaning of fluff on the filter screen, facilitating disassembly and assembly, and improving working efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of spinning machines, in particular to a spinning drafting device for cotton yarn production. Background Art

[0002] Spinning frame is a spinning machine that stretches, twists and winds semi-finished roving or sliver into spun yarn in the spinning process. The sliver is stretched and twisted on the roving frame to make roving. The combing machine combs the fiber to make combed sliver. The pin-combing machine combines the slivers and improves the sliver structure by needle-row stretching. The roving is further twisted and spun into spun yarn on the ring spinning frame. The spinning frame is the main machine for spinning. When the spinning frame produces spun yarn, the spun yarn needs to be drafted.

[0003] The utility model with application number CN202320651722.8 discloses a drafting device for a spinning frame. The motor in the drafting device drives the gear to rotate, the gear drives the gear ring to rotate, the gear ring drives the threaded block to rotate, the threaded block drives the threaded column to move, the threaded column drives the placement plate to rise, the placement plate drives the sliding column to slide in the spinning frame body, so that the lower drafting roller moves to adjust the distance between the lower drafting roller and the upper drafting roller, so as to draft the spinning body.

[0004] The above-mentioned device drives the placement plate to rise and fall through the motor, gears, gear rings, threaded blocks, and threaded columns. It has a complex structure and high manufacturing cost. The steel brush cannot ensure the position where the fluff on the filter net falls when cleaning it. The fluff is easy to fall on one side of the fan and easily enter the fan, causing damage to the fan. The steel brush will also absorb the fluff, and the fluff cleaning effect is not good. The fluff cannot be completely cleaned. When winding the fine yarn, the fine yarn cannot be guided, and the fine yarn is easy to break, which reduces the product quality.

[0005] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0006] The utility model aims to solve the above problems and designs a spun yarn drafting device for cotton yarn production.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A spinning draft device for cotton yarn production, comprising a fixed base and an L-shaped support frame. The L-shaped support frame is fixedly installed on one side of the surface of the fixed base. A U-shaped fixing frame is installed at the vertical arm end of the L-shaped support frame. A plurality of lower traction roller shafts are rotatably connected to the U-shaped fixing frame. A power push rod is installed at the horizontal arm end of the L-shaped support frame. A U-shaped lifting frame is installed on the telescopic end of the power push rod. A plurality of upper traction roller shafts are rotatably connected to the U-shaped lifting frame. A cleaning box is installed on the L-shaped support frame. The cleaning box is located on one side of the U-shaped fixing frame. A collection box is installed on the fixed base. A collection pipe is connected between the collection box and the cleaning box. A cleaning port is provided on one side of the collection box. A blower is connected to the other side of the collection box. A sealing plate is movably connected to the cleaning port. A plurality of filter meshes are provided in the collection box. The plurality of filter meshes are connected by fixing rods to the sealing plate.

[0009] Furthermore, a fixing frame is installed on the fixed base. A yarn take-up reel is provided on the fixing frame. A fixed guiding roller is installed on the L-shaped support frame. The fixed guiding roller is located on one side of the U-shaped fixing frame. A vertical sliding groove is provided on the L-shaped support frame. An I-shaped sliding block is slidably connected to the vertical sliding groove. A lifting guiding roller is installed on one side of the I-shaped sliding block. A fastening bolt is threadedly connected to the other side of the I-shaped sliding block.

[0010] Furthermore, four filter meshes are provided. Sealing gaskets are installed around the four filter meshes. The mesh numbers of the four filter meshes increase sequentially from left to right. A sealing backing plate is provided at the connection between the sealing plate and the cleaning port.

[0011] Furthermore, the L-shaped support frame is provided with two guiding sliding rails. Two guiding sliding blocks are installed at one end of the U-shaped lifting frame. The guiding sliding blocks are slidably connected to the guiding sliding rails.

[0012] Furthermore, inlets and outlets are provided on both sides of the collection box. Guide wheels are provided on the inlets and outlets on both sides.

[0013] Furthermore, the upper surface of the fixed guiding roller is on the same horizontal plane as the upper surface of the lower traction roller shaft. The lower surface of the lifting guiding roller is on the same horizontal plane as the lower surface of the yarn take-up reel.

[0014] Compared with the prior art, the present technical solution has the following beneficial effects:

[0015] The C-shaped lifting frame is driven by a power push rod to drive the upper traction roller to descend. The upper traction roller contacts the fine yarn, and the fine yarn is drafted by the upper traction roller and the lower traction roller, which facilitates the adjustment of the distance between the upper traction roller and the lower traction roller, is applicable to yarns of different thicknesses, improves the applicable range, has a simple structure, low production cost, is convenient to operate, the fluff is blocked by the filter screen to prevent the fluff from entering the fan and causing damage, and is convenient for collecting the fluff;

[0016] The height of the lifting guide roller is adjusted by the sliding of the I-shaped slider along the vertical chute, so that the lower surface of the lifting guide roller is on the same horizontal plane as the lower surface of the yarn winding disc, which facilitates the adjustment of the height of the lifting guide roller, is applicable to yarn winding discs of different sizes, avoids the breakage of the fine yarn caused by different guiding heights, and improves the product quality;

[0017] The fluff is blocked by four filter screens. The mesh numbers of the four filter screens are different, and the filter holes of the four filter screens decrease sequentially from left to right. The fluff can pass through in sequence, and at the same time, the fluff can be adsorbed on the filter screens in sequence. There is less fluff on the rightmost filter screen and more fluff on the leftmost filter screen, but the filter holes of the leftmost filter screen are larger, which can prevent the filter screen from being blocked. The cleaning port is sealed by a sealing plate, and the filter screen can be conveniently taken out of the collection box through the sealing plate and the fixing rod, which is convenient for cleaning the fluff on the filter screen, convenient for disassembly and assembly, and improves the work efficiency. Brief Description of the Drawings

[0018] Figure 1 It is a structural schematic diagram of a fine yarn drafting device for cotton yarn production described in the present utility model.

[0019] Figure 2 It is a side view of the L-shaped support frame.

[0020] Figure 3 It is an enlarged cross-sectional view of the collection box.

[0021] Figure 4 It is an enlarged front view of the cleaning box.

[0022] In the figure: 1, fixed base; 2, L-shaped support frame; 3, C-shaped fixing frame; 4, lower traction roller; 5, power push rod; 6, C-shaped lifting frame; 7, upper traction roller; 8, cleaning box; 9, collection box; 10, collection pipe; 11, cleaning port; 12, fan; 13, sealing plate; 14, filter screen; 15, fixing rod; 16, fixing frame; 17, yarn winding disc; 18, fixed guide roller; 19, vertical chute; 20, I-shaped slider; 21, lifting guide roller; 22, fastening bolt; 23, sealing washer; 24, sealing cushion plate; 25, guide slide rail; 26, guide slider; 27, inlet and outlet; 28, guide wheel. Detailed Description of the Embodiment

[0023] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, in the description of the present utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.

[0025] The present utility model provides a fine yarn drafting device for cotton yarn production as Figure 1-4 shown, which includes a fixed base 1 and an L-shaped support frame 2. The L-shaped support frame 2 is fixedly installed on one side of the surface of the fixed base 1. A U-shaped fixed frame 3 is installed at the vertical arm end of the L-shaped support frame 2. A plurality of lower drafting roller shafts 4 are rotatably connected to the U-shaped fixed frame 3. A power push rod 5 is installed at the horizontal arm end of the L-shaped support frame 2. A U-shaped lifting frame 6 is installed on the telescopic end of the power push rod 5. A plurality of upper drafting roller shafts 7 are rotatably connected to the U-shaped lifting frame 6. A cleaning box 8 is installed on the L-shaped support frame 2. The cleaning box 8 is located on one side of the U-shaped fixed frame 3. A collection box 9 is installed on the fixed base 1. A collection pipe 10 is communicated between the collection box 9 and the cleaning box 8. A cleaning port 11 is provided on one side of the collection box 9. A blower 12 is communicated on the other side of the collection box 9. A sealing plate 13 is movably connected to the cleaning port 11. A plurality of filter meshes 14 are provided in the collection box 9. The plurality of filter meshes 14 and the sealing plate 13 are connected by fixing rods 15.

[0026] The fixed base 1 can be directly installed at the yarn outlet of the spinning frame, or the fixed base 1 can be placed on one side of the spinning frame through a bracket. One end of the spun yarn passes through the cleaning box 8. The spun yarn is located on the lower traction roller 4. The power push rod 5 starts to work. The telescopic end of the power push rod 5 extends in to drive the C-shaped lifting frame 6 to descend. The C-shaped lifting frame 6 drives the upper traction roller 7 to descend. The upper traction roller 7 contacts the spun yarn. The spun yarn is drafted by the upper traction roller 7 and the lower traction roller 4, which is convenient for adjusting the distance between the upper traction roller 7 and the lower traction roller 4, applicable to yarns of different thicknesses, improving the scope of application, with a simple structure, low production cost, and convenient operation. The fan 12 starts to work. The spun yarn passes through the cleaning box 8. The fluff on the spun yarn drops into the cleaning box 8. The fluff in the cleaning box 8 enters the collection box 9 through the collection pipe 10. The fluff flows towards the fan 12. The fluff is blocked by the filter net 14 to prevent the fluff from entering the fan 12 and causing damage, which is convenient for collecting the fluff.

[0027] Refer to the attached instructions Figure 1 and the attached instructions Figure 2 On the fixed base 1, a fixed frame 16 is installed. A yarn take-up reel 17 is provided on the fixed frame 16. A fixed guide roller 18 is installed on the L-shaped support frame 2. The fixed guide roller 18 is located on one side of the C-shaped fixed frame 3. A vertical chute 19 is provided on the L-shaped support frame 2. An I-shaped slider 20 is slidably connected to the vertical chute 19. A lifting guide roller 21 is installed on one side of the I-shaped slider 20. A fastening bolt 22 is threadedly connected to the other side of the I-shaped slider 20. The upper surface of the fixed guide roller 18 and the upper surface of the lower traction roller 4 are on the same horizontal plane. The lower surface of the lifting guide roller 21 and the lower surface of the yarn take-up reel 17 are on the same horizontal plane.

[0028] The spun yarn bypasses the fixed guide roller 18 and the lifting guide roller 21. The fixed guide roller 18 and the lifting guide roller 21 play a guiding role for the spun yarn. The end of the spun yarn is wound around the yarn take-up reel 17. The yarn take-up reel 17 rotates on the fixed frame 16 to wind up the spun yarn. When the size of the yarn take-up reel 17 is different, the height of the lifting guide roller 21 is adjusted by sliding the I-shaped slider 20 along the vertical chute 19, so that the lower surface of the lifting guide roller 21 and the lower surface of the yarn take-up reel 17 are on the same horizontal plane. After the height is adjusted, tighten the fastening bolt 22 so that the fastening bolt 22 contacts the L-shaped support frame 2 to fix the I-shaped slider 20, which is convenient for adjusting the height of the lifting guide roller 21, applicable to yarn take-up reels 17 of different sizes, avoiding the spun yarn from breaking due to different guiding heights, and improving the product quality.

[0029] Refer to the attached instructions Figure 1 and the attached instructions Figure 3, there are four filter nets 14. Sealing gaskets 23 are installed around the four filter nets 14. The mesh numbers of the four filter nets 14 increase sequentially from left to right. A sealing backing plate 24 is provided at the connection between the sealing plate 13 and the cleaning port 11.

[0030] The fluff is blocked by the filter net 14. The mesh numbers of the four filter nets 14 are different, and the filter holes of the four filter nets 14 decrease sequentially from left to right. The fluff can pass through in sequence, and at the same time, the fluff can be adsorbed on the filter net 14 in sequence. There is less fluff on the rightmost filter net 14 and more fluff on the leftmost filter net 14. However, the filter holes of the leftmost filter net 14 are larger, which can prevent the filter net 14 from being blocked. The cleaning port 11 is sealed by the sealing plate 13. The filter net 14 can be conveniently taken out from the collection box 9 through the sealing plate 13 and the fixing rod 15, which is convenient for cleaning the fluff on the filter net 14, convenient for disassembly and assembly, and improves work efficiency.

[0031] Refer to the attached Figure 1 and the attached Figure 2 , the L-shaped support frame 2 is provided with two guide sliding rails 25. Two guide sliding blocks 26 are installed at one end of the U-shaped lifting frame 6. The guide sliding blocks 26 are slidably connected with the guide sliding rails 25.

[0032] When the U-shaped lifting frame 6 is lifted or lowered, the U-shaped lifting frame 6 drives the guide sliding blocks 26 to slide along the guide sliding rails 25. The guide sliding blocks 26 and the guide sliding rails 25 play a guiding role for the U-shaped lifting frame 6, and at the same time, prevent the position of the U-shaped lifting frame 6 from shifting.

[0033] Refer to the attached Figure 3 and the attached Figure 4 , the two sides of the collection box 9 are provided with inlets and outlets 27. Guide wheels 28 are provided on the two sides of the inlets and outlets 27.

[0034] The fine yarn passes through the collection box 9 from the inlets and outlets 27 on both sides. The guide wheels 28 guide the fine yarn in the collection box 9 to prevent the fine yarn from contacting the inlets and outlets 27 and causing breakage.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fine yarn drafting device for cotton yarn production, comprising a fixed base (1) and an L-shaped support frame (2). The L-shaped support frame (2) is fixedly installed on one side of the surface of the fixed base (1). The vertical arm end of the L-shaped support frame (2) is provided with a U-shaped fixing frame (3). A plurality of lower traction roller rolls (4) are rotatably connected to the U-shaped fixing frame (3), characterized in that, A power push rod (5) is installed at the cross-arm end of the L-shaped support frame (2). An inverted-U-shaped lifting frame (6) is installed on the telescopic end of the power push rod (5). A plurality of upper traction roller rolls (7) are rotatably connected to the inverted-U-shaped lifting frame (6). A cleaning box (8) is installed on the L-shaped support frame (2). The cleaning box (8) is located on one side of the inverted-U-shaped fixing frame (3). A collection box (9) is installed on the fixed base (1). A collection pipe (10) is communicated between the collection box (9) and the cleaning box (8). A cleaning port (11) is arranged on one side of the collection box (9). A blower (12) is communicated on the other side of the collection box (9). A sealing plate (13) is movably connected to the cleaning port (11). A plurality of filter nets (14) are arranged in the collection box (9). The plurality of filter nets (14) are connected by fixing rods (15) with the sealing plate (13).

2. A spun yarn drafting device for cotton yarn production according to claim 1, characterized in that: A fixing frame (16) is installed on the fixed base (1). A yarn winding disc (17) is arranged on the fixing frame (16). A fixed guide roller (18) is installed on the L-shaped support frame (2). The fixed guide roller (18) is located on one side of the inverted-U-shaped fixing frame (3). A vertical sliding groove (19) is arranged on the L-shaped support frame (2). An I-shaped sliding block (20) is slidably connected to the vertical sliding groove (19). A lifting guide roller (21) is installed on one side of the I-shaped sliding block (20). A fastening bolt (22) is threadedly connected to the other side of the I-shaped sliding block (20).

3. A spun yarn drafting device for cotton yarn production according to claim 1, characterized in that: Four filter nets (14) are provided. Sealing washers (23) are installed around the four filter nets (14). The mesh numbers of the four filter nets (14) increase sequentially from left to right. A sealing cushion plate (24) is arranged at the connection between the sealing plate (13) and the cleaning port (11).

4. A spun yarn drafting device for cotton yarn production according to claim 1, characterized in that: Two guide sliding rails (25) are arranged on the L-shaped support frame (2). Two guide sliding blocks (26) are installed at one end of the inverted-U-shaped lifting frame (6). The guide sliding blocks (26) are slidably connected to the guide sliding rails (25).

5. A spun yarn drafting device for cotton yarn production according to claim 1, characterized in that: Inlet and outlet openings (27) are arranged on both sides of the collection box (9). Guide wheels (28) are arranged on the inlet and outlet openings (27) on both sides.

6. A spun yarn drafting device for cotton yarn production according to claim 2, characterized in that: The upper surface of the fixed guide roller (18) is on the same horizontal plane as the upper surface of the lower traction roller roll (4). The lower surface of the lifting guide roller (21) is on the same horizontal plane as the lower surface of the yarn winding disc (17).

Images