Optimization adjusting device of cotton yarn auto-leveling drawing frame

Abstract

The utility model discloses a cotton yarn auto-leveling drawing frame optimization adjusting device which comprises a drawing frame body, an adjusting platform is installed at the feeding end of the drawing frame body, a fixing support is installed on the adjusting platform, two rotating sticks are connected to the fixing support in a rotating mode, a transverse through groove is formed in the top of the fixing support, and the transverse through groove is communicated with the adjusting platform. The device comprises a fixed support, two rotating supports are installed on the fixed support, a plurality of double-thread screw rods are rotationally connected between the two rotating supports, each double-thread screw rod is in threaded connection with a movable sliding plate, a fixed block is installed at the bottom end of each movable sliding plate, and an extrusion roller is rotationally connected to the bottom of each fixed block; and the extrusion roller is positioned between the two rotating rollers. The cotton sliver merging device has the advantages that the merging opening can be adjusted vertically and horizontally, adjustment is convenient, the cotton sliver merging device is suitable for cotton slivers of different sizes, the width or thickness of the cotton slivers is prevented from being too large, cotton sliver merging is facilitated, and the cotton sliver merging quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of textile machinery, in particular to an optimization and adjustment device for a cotton yarn self-leveling drawing frame. Background Art

[0002] Drawing is the bottleneck process in the spinning process. It is the last key process with drawing effect to improve the yarn dryness and uneven weight. In order to adapt to the drawing and drafting of pure cotton, chemical fiber, blended spinning and other processes, especially after combing, or the drawing and drafting of air spinning. High-grade drawing frames are generally equipped with short-segment auto-leveling to improve the quality of semi-finished products and create conditions for obtaining good quality spun yarn.

[0003] The utility model with application number CN201820842058.4 discloses a final self-adjusting and leveling drawing machine. By setting a limiting plate, a pressing plate, a compression tube, a compression spring, a movable block, a fixing frame, an internal threaded tube, a threaded rod, a screw cap and a bearing, the size of the merge port can be adjusted, and it can be adjusted for slivers of different sizes.

[0004] The above-mentioned device adjusts the merging mouth by moving the pressing plate. The pressing plate can only move up and down and can only adjust the thickness of the merging mouth. When the pressing plate presses on the cotton strip, the thickness is reduced, which is easy to increase the width of the cotton strip, easily rub the two sides of the cotton strip, easily cause flying flowers, easily cause damage to the cotton strip, and reduce the quality of the merging of the cotton strips.

[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 an optimization adjustment device for a cotton yarn self-leveling drawing frame.

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

[0008] A cotton yarn self-adjusting and leveling drawing frame optimization and adjustment device comprises a drawing frame body, an adjustment platform is installed at the feed end of the drawing frame body, a fixed bracket is installed on the adjustment platform, two rotating rods are rotatably connected to the fixed bracket, a transverse through slot is provided on the top of the fixed bracket, two rotating brackets are installed on the fixed bracket, the two rotating brackets are respectively located on both sides of the transverse through slot, a plurality of double-headed threaded screws are rotatably connected between the two rotating brackets, adjacent double-headed threaded screws are fixedly connected by a rotating rod, a movable slide is threadedly connected to each of the double-headed threaded screws, the bottom of the movable slide passes through the transverse through slot and is slidably connected to the transverse through slot, a fixed block is installed at the bottom end of the movable slide, a squeezing roller is rotatably connected to the bottom of the fixed block, and the squeezing roller is located between the two rotating rollers.

[0009] Furthermore, a vertical slide groove is provided on one side of the fixed bracket, and a lifting slide plate is slidably connected in the vertical slide groove, and a guide slide groove is provided on the other side of the fixed bracket, and an L-shaped slide plate is provided in the guide slide groove, and the vertical arm end of the L-shaped slide plate is slidably connected to the guide slide groove, and a telescopic cylinder is installed on the fixed bracket, and the telescopic end of the telescopic cylinder is fixedly connected to the horizontal arm end of the L-shaped slide plate, and two lower pressure rollers are rotatably connected between the lifting slide plate and the L-shaped slide plate, and the two lower pressure rollers are respectively located on both sides of the extrusion roller.

[0010] Furthermore, a motor fixing seat is installed on the fixing bracket, a driving motor is installed on the motor fixing seat, and an output end of the driving motor is fixedly connected to one end of the double-threaded screw rod.

[0011] Furthermore, a plurality of universal balls are arranged in the vertical slide groove, and the inner side of the lifting slide plate is in contact with the universal balls.

[0012] Furthermore, there are four double-threaded screw rods, each of which is provided with two thread grooves with opposite spiral directions. There are four groups of movable slide plates, fixed blocks and extrusion rollers, and each group of movable slide plates is respectively threadedly connected to the two thread grooves.

[0013] Furthermore, the diameter of the lower pressing roller is the same as the diameter of the rotating roller, and the spacing between the two lower pressing rollers is the same as the spacing between the two rotating rollers.

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

[0015] The two movable slides are driven to move relative to each other by the rotation of the double-headed threaded screw, and the movable slide drives the squeezing roller to move through the fixed block, so that the two squeezing rollers can be moved away from or close to each other. The spacing between the lower pressure roller and the rotating roller is adjusted by lifting and lowering the lower pressure roller. The merging mouth can be adjusted not only up and down, but also left and right. The size of the merging mouth can be adjusted according to the size of the cotton strips, which is convenient for adjustment and suitable for cotton strips of different sizes. It avoids excessive width or thickness of the cotton strips, is conducive to merging the cotton strips, and improves the quality of merging the cotton strips.

[0016] The cotton strips pass between the rotating roller and the lower pressure roller, and between the two squeezing rollers. The rotating roller, the lower pressure roller and the squeezing roller are all round and can rotate, so as to avoid abrasion, flying flowers and damage to the cotton strips. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an optimization adjustment device for a cotton yarn self-leveling drawing frame described in the utility model.

[0018] Figure 2An enlarged front view of the fixing bracket.

[0019] Figure 3 A side sectional view of the fixing bracket.

[0020] Figure 4 An enlarged cross-sectional view of the fixing bracket.

[0021] In the figure: 1. Drawing frame body; 2. Adjustment platform; 3. Fixed bracket; 4. Rotating rod; 5. Horizontal through groove; 6. Rotating bracket; 7. Double-headed threaded screw; 8. Rotating rod; 9. Moving slide plate; 10. Fixed block; 11. Extrusion roller; 12. Vertical slide groove; 13. Lifting slide plate; 14. Guide slide groove; 15. L-shaped slide plate; 16. Telescopic cylinder; 17. Lower pressure roller; 18. Motor fixing seat; 19. Driving motor; 20. Universal ball bearing. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0024] The utility model provides Figure 1-4The illustrated device for optimizing and adjusting a cotton yarn self-leveling drawing frame comprises a drawing frame body 1, an adjusting platform 2 is installed at the feed end of the drawing frame body 1, a fixed bracket 3 is installed on the adjusting platform 2, two rotating rods 4 are rotatably connected to the fixed bracket 3, a transverse through groove 5 is provided on the top of the fixed bracket 3, two rotating brackets 6 are installed on the fixed bracket 3, the two rotating brackets 6 are respectively located on both sides of the transverse through groove 5, a plurality of double-headed threaded screws 7 are rotatably connected between the two rotating brackets 6, adjacent double-headed threaded screws 7 are fixedly connected by a rotating rod 8, a movable slide 9 is threadedly connected to each double-headed threaded screw 7, the bottom of the movable slide 9 passes through the transverse through groove 5 and is slidably connected to the transverse through groove 5, a fixed block 10 is installed at the bottom end of the movable slide 9, a squeezing roller 11 is rotatably connected to the bottom of the fixed block 10, and the squeezing roller 11 is located between the two rotating rods 4,

[0025] When the drawing machine body 1 is working, the sliver cylinder is placed on one side of the drawing machine body 1 and under the adjustment platform 2, the slivers are passed through the two rotating rollers 4 to be connected to the drawing machine body 1, and the slivers are passed between the two squeezing rollers 11, and a plurality of double-headed threaded screws 7 are rotated between the two rotating brackets 6 through the rotating rod 8. The rotation of the double-headed threaded screw 7 drives the two moving slides 9 to move relative to each other, and the moving slide 9 drives the squeezing rollers 11 to move through the fixed block 10, so that the two squeezing rollers 11 can be moved away from or close to each other, and the size of the merging port can be adjusted according to the size of the slivers, which is convenient for adjustment and suitable for slivers of different sizes.

[0026] Refer to the instruction manual Figure 3 And the instruction manual Figure 4 A vertical slide groove 12 is provided on one side of the fixed bracket 3, and a lifting slide plate 13 is slidably connected in the vertical slide groove 12. A guide slide groove 14 is provided on the other side of the fixed bracket 3. An L-shaped slide plate 15 is provided in the guide slide groove 14. The vertical arm end of the L-shaped slide plate 15 is slidably connected to the guide slide groove 14. A telescopic cylinder 16 is installed on the fixed bracket 3. The telescopic end of the telescopic cylinder 16 is fixedly connected to the horizontal arm end of the L-shaped slide plate 15. Two lower pressure rollers 17 are rotatably connected between the lifting slide plate 13 and the L-shaped slide plate 15. The two lower pressure rollers 17 are respectively located on both sides of the squeezing roller 11.

[0027] After the cotton strips pass through the two rotating rollers 4, the telescopic cylinder 16 starts to work, and the telescopic end of the telescopic cylinder 16 extends in to drive the L-shaped slide 15 to slide along the guide slide groove 14. The L-shaped slide 15 drives the two lower pressure rollers 17 and the lifting slide 13 to move downward, and the lifting slide 13 descends along the vertical slide groove 12. The lower pressure roller 17 descends to reduce the distance between it and the rotating roller 4. The merging mouth can not only be adjusted up and down, but also left and right to avoid the cotton strips from being too wide or too thick, which is beneficial to the merging of the cotton strips and improves the merging quality of the cotton strips.

[0028] Refer to the instruction manual Figure 2A motor fixing seat 18 is installed on the fixing bracket 3, a driving motor 19 is installed on the motor fixing seat 18, and an output end of the driving motor 19 is fixedly connected to a double-threaded screw rod 7 at one end.

[0029] The double-threaded screw 7 is driven by a driving motor 19 to rotate between the two rotating brackets 6 .

[0030] Refer to the instruction manual Figure 3 And the instruction manual Figure 4 A plurality of universal balls 20 are arranged in the vertical slide groove 12, and the inner side of the lifting slide plate 13 contacts the universal balls 20.

[0031] The inner side of the lifting slide 13 contacts the universal ball 20. When the lifting slide 13 slides up and down along the vertical slide groove 12, the universal ball 20 rotates. The universal ball 20 facilitates the lifting and sliding of the lifting slide 13, improves the smoothness of the lifting, and avoids jamming during the lifting process.

[0032] Refer to the instruction manual Figure 2 And the instruction manual Figure 4 There are four double-threaded screw rods 7, each of which is provided with two thread grooves with opposite spiral directions. There are four groups of movable slide plates 9, fixed blocks 10 and squeeze rollers 11, and each group of movable slide plates 9 is respectively connected with two thread grooves by threads.

[0033] The four double-threaded screws 7 are rotated synchronously by the rotating rod 8, and the four double-threaded screws 7 simultaneously drive four groups of moving slides 9, fixed blocks 10 and squeezing rollers 11 to move together, so that the spacing between each group of squeezing rollers 11 is the same.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; 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 cotton yarn self-leveling drawing frame optimization adjustment device, comprising a drawing frame body (1), an adjustment platform (2) being installed at the feed end of the drawing frame body (1), a fixed bracket (3) being installed on the adjustment platform (2), characterized in that: The fixed bracket (3) is rotatably connected to two rotating rods (4), a transverse through slot (5) is provided on the top of the fixed bracket (3), two rotating brackets (6) are installed on the fixed bracket (3), and the two rotating brackets (6) are respectively located on both sides of the transverse through slot (5), a plurality of double-headed threaded screws (7) are rotatably connected between the two rotating brackets (6), and adjacent double-headed threaded screws (7) are fixedly connected via a rotating rod (8), and a movable slide plate (9) is threadedly connected to each of the double-headed threaded screws (7), and the bottom of the movable slide plate (9) passes through the transverse through slot (5) and is slidably connected to the transverse through slot (5), and a fixed block (10) is installed at the bottom end of the movable slide plate (9), and the bottom of the fixed block (10) is rotatably connected to an extrusion roller (11), and the extrusion roller (11) is located between the two rotating rods (4).

2. The optimization adjustment device for a cotton yarn autoleveler drawing frame according to claim 1, characterized in that: A vertical slide groove (12) is provided on one side of the fixed bracket (3), and a lifting slide plate (13) is slidably connected in the vertical slide groove (12). A guide slide groove (14) is provided on the other side of the fixed bracket (3), and an L-shaped slide plate (15) is provided in the guide slide groove (14). The vertical arm end of the L-shaped slide plate (15) is slidably connected to the guide slide groove (14). A telescopic cylinder (16) is installed on the fixed bracket (3), and the telescopic end of the telescopic cylinder (16) is fixedly connected to the horizontal arm end of the L-shaped slide plate (15). Two lower pressure rollers (17) are rotatably connected between the lifting slide plate (13) and the L-shaped slide plate (15), and the two lower pressure rollers (17) are respectively located on both sides of the squeezing roller (11).

3. The optimization adjustment device for a cotton yarn autoleveler drawing frame according to claim 1, characterized in that: A motor fixing seat (18) is mounted on the fixing bracket (3), a driving motor (19) is mounted on the motor fixing seat (18), and an output end of the driving motor (19) is fixedly connected to one end of the double-threaded lead screw (7).

4. The optimization adjustment device for a cotton yarn autoleveler drawing frame according to claim 2, characterized in that: A plurality of universal balls (20) are arranged in the vertical slide groove (12), and the inner side of the lifting slide plate (13) is in contact with the universal balls (20).

5. The optimization adjustment device for a cotton yarn autoleveler drawing frame according to claim 1, characterized in that: There are four double-threaded screw rods (7), each of which is provided with two thread grooves with opposite spiral directions. There are four groups of movable slide plates (9), fixed blocks (10) and extrusion rollers (11), and each group of movable slide plates (9) is respectively threadedly connected to the two thread grooves.

6. The optimization adjustment device for a cotton yarn autoleveler draw frame according to claim 2, characterized in that: The diameter of the lower pressing roller (17) is the same as the diameter of the rotating roller (4), and the spacing between the two lower pressing rollers (17) is the same as the spacing between the two rotating rollers (4).

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