New drafting device for flax wet spinning frame

Abstract

The invention discloses a novel drafting device for a flax wet spinning machine, comprising a roller seat, a cradle support rod is installed on the roller seat, a plurality of fixed brackets are installed on the cradle support rod at intervals, a cradle is installed on the fixed bracket, a feeding roller, an apron roller and a traction roller are rotatably installed on the roller seat at intervals, a feeding pressurizing component close to the feeding roller is installed on the upper end of the cradle, an apron frame component is matched with the apron roller, and a traction pressurizing component close to the traction roller is installed on the lower end of the cradle. The feeding pressure assembly and the pressure hook, the feeding pressure assembly comprises a feeding frame rotatably mounted on a cradle, the feeding frame is mounted with a feeding pressure roller and a pressure spring, the cradle is mounted with an adjusting screw for pushing the pressure spring to make the feeding pressure roller close to the feeding roller; a leather ring pressure frame is hung at the lower end of the feeding frame, the upper end of the leather ring pressure frame is rotatably set on the feeding frame, and the lower end of the leather ring pressure frame is mounted with a pressure roller close to the leather ring frame assembly, thereby optimizing the structural design of the drafting mechanism.

Description

Technical Field

[0001] The invention relates to the technical field of flax wet spinning frames, in particular to a novel drafting device of a flax wet spinning frame. Background Art

[0002] The flax wet spinning frame is a type of flax ring spinning frame, which is mainly composed of a feeding mechanism, a drafting mechanism, and a twisting and winding mechanism. The roving is drafted and thinned in the drafting mechanism and then split into slivers. The drafted slivers pass through the yarn guide hooks and are twisted into spun yarn and wound onto the bobbin. In long-term production practice, the applicant has found that the existing drafting mechanism can also be structurally optimized, such as simplifying the complexity of the pressurizing component, stabilizing the pressurizing effect, improving the convenience of pressurizing operation, and improving the quality of the yarn. Summary of the invention

[0003] In order to solve the structural optimization problem of the drafting mechanism, the present invention provides a novel drafting device for a flax wet spinning machine, comprising a roller seat, a cradle support rod is installed on the roller seat, a plurality of fixed brackets are installed at intervals on the cradle support rod, a cradle is installed on the fixed bracket, a feeding roller, an apron roller and a traction roller are installed on the roller seat in an interval from top to bottom, a feeding pressurizing assembly close to the feeding roller is installed on the upper end of the cradle, an apron frame assembly is installed on the apron roller, and a cradle is installed on the lower end of the cradle. A traction pressure assembly close to the traction roller, and a pressure hook elastically connected to the machine beam of the spinning frame, the feeding pressure assembly includes a feeding frame rotatably mounted on a cradle, the feeding frame is equipped with a feeding pressure roller and a pressure spring, the cradle is equipped with an adjusting screw rod for pushing the pressure spring to make the feeding pressure roller close to the feeding roller; a leather ring pressure frame is hung at the lower end of the feeding frame, the upper end of the leather ring pressure frame is rotatably set on the feeding frame, and the lower end of the leather ring pressure frame is equipped with a pressure roller close to the leather ring frame assembly.

[0004] The beneficial effects of the technical solution of the present invention include at least: by optimizing the structure of the pressure part on the drafting and pressure mechanism of the flax wet spinning frame, improving the pressure module structure near the apron frame assembly, rotatably hanging the apron pressure frame at the lower end of the feeding frame, and installing a pressure roller at the lower end of the apron pressure frame to cooperate with the apron frame to pressurize the yarn. Under the premise of ensuring the yarn pressurization effect, the structural complexity of the related components in the original design is simplified, and disassembly, maintenance and pressure control are more convenient.

[0005] Preferably, the traction and pressure assembly comprises a traction adjustment block, the traction adjustment block is provided with an adjustment slot, the traction and pressure roller is mounted in the adjustment slot, and the traction adjustment block is provided with an adjustment bolt for pushing and pulling the traction and pressure roller closer to or away from the traction roller.

[0006] Preferably, a cleaning roller is rotatably mounted on the lower end of the cradle, and the cleaning roller is arranged close to the outer wall of the traction and pressure roller to convolute impurities such as broken fibers.

[0007] Preferably, an oblique guide groove is provided on the cradle, the cleaning roller is mounted on the cleaning roller frame, and the cleaning roller frame is placed in the oblique guide groove; a handle is also rotatably mounted on the lower end of the cradle, and an elastic pressing block for pressing the cleaning roller frame is placed between the handle and the cradle, one end of the pressure hook is hooked on the handle, and the other end of the pressure hook is elastically abutted against the back side of the machine beam by adjusting a spring; the pressure hook includes a first pressure rod rotatably arranged on the machine beam, and a second pressure rod hooked on the handle, and one end of the first pressure rod and one end of the second pressure rod are threadedly connected.

[0008] Preferably, a locking block is rotatably mounted on one end of the cradle connected to the fixed bracket, and the locking block includes a toggle portion and a locking portion for frictionally locking the cradle to the fixed bracket.

[0009] Preferably, a positioning slot is further provided on the fixed bracket, and when the locking block is loosened to unlock the cradle, the cradle is lifted and the locking portion of the rotating locking block is engaged in the positioning slot, so that the lifting state of the cradle can be maintained.

[0010] Preferably, the apron frame assembly includes a frame, an apron and a weighted roller, the frame includes a front side plate and a rear side plate arranged opposite to each other, a first rotor, a second rotor and a third rotor are rotatably installed between the front side plate and the rear side plate, and the first rotor, the second rotor and the third rotor are arranged in a triangular shape; the frame and the apron are straddled on the apron roller, the apron is sleeved on the weighted roller, the first rotor, the second rotor and the third rotor in a tensioned state, the weighted roller is suspended from one end corner of the frame away from the three rotors, the second rotor is installed at two end corners of the frame, and the weighted roller and the first rotor respectively cooperate with the apron roller to clamp the apron, and the first rotor arches the apron between the weighted roller and the second rotor; a tension rod sleeved in the apron is also connected between the front side plate and the rear side plate, and the tension rod is arranged at the three end corners of the frame close to the third rotor.

[0011] Preferably, the first rotor, the second rotor and the third rotor each include a main shaft and two clamping caps, the clamping caps are provided with through holes for rotating and plugging the main shaft, the front side plate and the rear side plate are respectively provided with matching clamping slots, and the clamping caps are fixed in the clamping slots.

[0012] Preferably, the clamping slot is further provided with two arc grooves arranged opposite to each other, and the clamping cap is clamped and fixed between the arc grooves after being clamped into the notch of the clamping slot.

[0013] Preferably, the end corners of the front side plate and the rear side plate are provided with extension blocks for shielding the weighted roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. 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.

[0015] Figure 1 It is a structural diagram of a novel drafting device of a flax wet spinning frame of the present invention;

[0016] Figure 2 yes Figure 1 Another structural diagram of the drafting device;

[0017] Figure 3 It is a first orientation structural diagram of the pressurizing mechanism in the drafting device of the present invention;

[0018] Figure 4 It is a second orientation structural diagram of the pressurizing mechanism in the drafting device of the present invention;

[0019] Figure 5 is a cross-sectional view of a pressurizing mechanism in a drafting device of the present invention;

[0020] Figure 6 This is a first orientation structural diagram of the apron frame assembly and the apron roller of the present invention;

[0021] Figure 7 It is a second orientation structural diagram of the apron frame assembly and the apron roller of the present invention;

[0022] Figure 8 It is an exploded structural diagram of the apron frame assembly of the present invention;

[0023] Fig. 9 It is a cross-sectional view of the apron frame assembly of the present invention.

[0024] Wherein, the accompanying drawings are marked as follows:

[0025] 1. Roller seat, 2. Cradle support rod, 3. Fixed bracket, 3a. Positioning slot, 4. Cradle, 5. Feed roller, 6. Leather roller, 7. Traction roller, 8. Feed frame, 9. Feed pressure roller, 10. Pressure spring, 11. Adjustment screw, 12. Leather pressure frame, 13. Pressure roller, 14. Traction adjustment block, 15. Adjustment slot, 16. Traction pressure roller, 17. Adjustment bolt, 18. Cleaning roller, 19. Oblique guide groove, 20. Cleaning roller frame, 21. Handle, 22. Elastic pressure block, 23. Locking block, 23a. Toggle part, 23b. Locking part, 24. Leather ring, 25. Weighted roller, 26. Front side plate, 27. Rear side plate, 28. The first rotor; 29. ​​The second rotor; 30. The third rotor; 31. The tension rod; 32. The slot; 33. The arc groove; 34. The extension block; 35. The pressure hook; 35a. The first pressure rod; 35b. The second pressure rod; 36. The adjustment spring; 37. The machine beam. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0027] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by terms such as “inside”, “outside”, “upper”, “lower”, “top” and “bottom” are based on the orientations 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.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "fitting" should be understood in a broad sense. For example, the connection can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Example

[0030] See also Figures 1 to 9As shown, the present invention provides a novel drafting device for a flax wet spinning machine, comprising a roller seat 1, a cradle support rod 2 is installed on the roller seat 1, a plurality of fixed brackets 3 are installed on the cradle support rod 2 at intervals, a cradle 4 is installed on the fixed bracket 3, a feeding roller 5, an apron roller 6 and a traction roller 7 are installed on the roller seat 1 at intervals from top to bottom, a feeding pressurizing component close to the feeding roller 5 is installed on the upper end of the cradle 4, an apron frame component is installed on the apron roller 6, and a traction pressurizing component close to the traction roller 7 is installed on the lower end of the cradle 4 The feeding pressure assembly comprises a feeding frame 8 rotatably mounted on a cradle 4, a feeding pressure roller 9 and a pressure spring 10 are mounted on the feeding frame 8, an adjusting screw 11 for pushing the pressure spring 10 to make the feeding pressure roller 9 close to the feeding roller 5 is mounted on the cradle 4; a leather ring pressure frame 12 is hung at the lower end of the feeding frame 8, the upper end of the leather ring pressure frame 12 is rotatably set on the feeding frame 8, and a pressure roller 13 close to the leather ring frame assembly is mounted at the lower end of the leather ring pressure frame 12.

[0031] Specifically, by optimizing the structure of the pressurizing part on the drafting and pressurizing mechanism of the flax wet spinning frame, improving the pressurizing module structure near the apron frame assembly, the apron pressurizing frame 12 is rotatably hung at the lower end of the feeding frame 8, and a pressurizing roller 13 is installed at the lower end of the apron pressurizing frame 12 to cooperate with the apron frame to pressurize the yarn. Under the premise of ensuring the yarn pressurizing effect, the structural complexity of the related components in the original design is simplified, and the disassembly, assembly, maintenance and pressurization control are more convenient.

[0032] As one of the traction and pressurization designs, at the traction and pressurization part at the lower end of the cradle 4, the traction and pressurization component includes a traction adjustment block 14, the traction adjustment block 14 is provided with an adjustment slot 15, a traction and pressurization roller 16 is installed in the adjustment slot 15, and the traction adjustment block 14 is installed with an adjustment bolt 17 for pushing and pulling the traction and pressurization roller 16 close to or away from the traction roller 7.

[0033] Preferably, a cleaning roller 18 is rotatably mounted on the lower end of the cradle 4. The cleaning roller 18 is arranged close to the outer wall of the traction pressure roller 16 to convolute impurities such as broken fibers and improve the quality of the spun yarn.

[0034] Preferably, the cradle 4 is provided with an oblique guide groove 19, the cleaning roller 18 is mounted on the cleaning roller frame 20, and the cleaning roller frame 20 is placed in the oblique guide groove 19; the lower end of the cradle 4 is also rotatably mounted with a handle 21, and an elastic pressing block 22 for pressing the cleaning roller frame 20 is placed between the handle 21 and the cradle 4, and the cleaning roller frame 20 can be quickly taken out by pulling the handle 21. One end of the pressure hook 35 is hooked on the handle 21, and the other end of the pressure hook 35 is elastically abutted against the back side of the machine beam 37 through the adjustment spring 36; the pressure hook 35 includes a first pressure rod 35a rotatably arranged on the machine beam 37, and a second pressure rod 35b hooked on the handle 21, and one end of the first pressure rod 35a is threadedly connected with one end of the second pressure rod 35b. An adjusting spring 36 is installed at one end of the first pressurizing rod 35a away from the second pressurizing rod 35b, and one end of the adjusting spring 36 is pressed against the back side of the machine beam. The first pressurizing rod 35a can be rotatably passed through the corresponding through hole on the machine beam 37. In actual operation, the pressure applied by the cradle 4 can be adjusted by loosening or tightening the connection between the two sections of the pressurizing rod.

[0035] As one of the cradle locking designs, a locking block 23 is rotatably mounted on one end of the cradle 4 connected to the fixed bracket 3 . The locking block 23 includes a toggle portion 23 a and a locking portion 23 b for frictionally locking the cradle 4 to the fixed bracket 3 .

[0036] Preferably, the fixed bracket 3 is further provided with a positioning slot 3a, and when the locking block 23 is loosened to unlock the cradle 4, the cradle 4 is lifted and the locking portion 23b of the locking block 23 is rotated to snap into the positioning slot 3a, so that the lifting state of the cradle 4 can be maintained. It is convenient to perform maintenance and other operations on the various parts of the drafting and pressurizing when the cradle 4 is lifted.

[0037] Preferably, the apron frame assembly includes a frame, an apron 24 and a weighted roller 25, the frame includes a front side plate 26 and a rear side plate 27 arranged opposite to each other, a first rotor 28, a second rotor 29 and a third rotor 30 are rotatably mounted between the front side plate 26 and the rear side plate 27, and the first rotor 28, the second rotor 29 and the third rotor 30 are arranged in a triangular shape; the frame and the apron 24 straddle the apron roller 6, and the apron 24 is sleeved on the weighted roller 25, the first rotor 28, the second rotor 29 and the third rotor 3 0 is in a tensioned state, the weighted roller 25 is suspended away from the three rotors at one end corner of the frame, the second rotor 29 is installed at the two end corners of the frame, and the weighted roller 25 and the first rotor 28 respectively cooperate with the apron roller 6 to clamp the apron 24, and the first rotor 28 arches the apron 24 between the weighted roller 25 and the second rotor 29; a tension rod 31 sleeved in the apron 24 is also connected between the front side plate 26 and the rear side plate 27, and the tension rod 31 is arranged at the three end corners of the frame close to the third rotor 30.

[0038] By improving the frame structure of the apron frame, the first rotor 28, the second rotor 29 and the third rotor 30 are rotatably installed on the frame in a triangular layout, and the apron 24 is clamped between the weighting roller 25, the first rotor 28 and the apron roller 6 respectively, the friction transmission layout is more reasonable, and the tensioning effect of the apron 24 is good. During operation, the motor drives the apron roller to rotate, and the apron roller drives the apron to rotate on each rotor, the tension rod and the weighting roller, and cooperates with the weighting roller of the spinning frame to control the fibers outside the apron between the second rotor and the third rotor to move downward.

[0039] Preferably, the first rotor 28, the second rotor 29 and the third rotor 30 each include a main shaft and two clamping caps, the clamping caps are provided with a through hole for rotating and plugging the main shaft, the front side plate 26 and the rear side plate 27 are respectively provided with matching clamping slots 32, and the clamping caps are fixed in the clamping slots. The main shaft is rotatably installed between the two clamping caps, and the clamping caps are quickly installed and clamped into the clamping slots.

[0040] Preferably, the slot 32 is further provided with two arc grooves 33 arranged opposite to each other, and the clamping cap is clamped and fixed between the arc grooves 33 after being clamped into the slot 32. One end of the clamping cap for clamping is cylindrical, and the arc groove 33 fits the outer wall of the cylindrical clamping cap to clamp the clamping cap.

[0041] Preferably, the end corners of the front side plate 26 and the rear side plate 27 are provided with extension blocks 34 for shielding the weighted roller 25, which extend to both ends of the weighted roller 25 to form a limit protection for it.

[0042] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A drafting device for a flax wet spinning spinning frame, comprising a roller seat, a cradle support rod is installed on the roller seat, a plurality of fixed brackets are installed on the cradle support rod at intervals, a cradle is installed on the fixed bracket, a feeding roller, an apron roller and a traction roller are rotatably installed on the roller seat from top to bottom, a feeding pressure assembly close to the feeding roller is installed on the upper end of the cradle, an apron frame assembly is installed on the apron roller, a traction pressure assembly close to the traction roller and a pressure hook elastically connected to the machine beam of the spinning frame are installed on the lower end of the cradle, characterized in that: The feeding pressure component includes a feeding frame rotatably mounted on a cradle, a feeding pressure roller and a pressure spring are mounted on the feeding frame, and an adjusting screw rod for pushing the pressure spring to make the feeding pressure roller close to the feeding roller is mounted on the cradle; a leather ring pressure frame is hung on the lower end of the feeding frame, and the upper end of the leather ring pressure frame is rotatably arranged on the feeding frame, and a pressure roller close to the leather ring frame assembly is mounted on the lower end of the leather ring pressure frame; the traction pressure component includes a traction adjustment block, an adjustment slot is provided on the traction adjustment block, a traction pressure roller is mounted in the adjustment slot, and an adjustment bolt for pushing and pulling the traction pressure roller close to or away from the traction roller is mounted on the traction adjustment block; a cleaning roller is rotatably mounted on the lower end of the cradle, and the cleaning roller is arranged close to the outer wall of the traction pressure roller for convoluting impurities such as broken fibers; an inclined guide groove is provided on the cradle The cleaning roller frame is mounted on the cleaning roller frame, and the cleaning roller frame is placed in the inclined guide groove; the lower end of the cradle is also rotatably mounted with a handle, and an elastic pressing block for pressing the cleaning roller frame is placed between the handle and the cradle. One end of the pressure hook is hooked on the handle, and the other end of the pressure hook is elastically abutted against the back side of the machine beam through adjusting the spring; the pressure hook includes a first pressure rod rotatably arranged on the machine beam, and a second pressure rod hooked on the handle, one end of the first pressure rod and one end of the second pressure rod being threadedly connected; a locking block is rotatably mounted on one end of the cradle connected to the fixed bracket, and the locking block includes a toggle portion and a locking portion for frictionally locking the cradle on the fixed bracket; a positioning slot is also provided on the fixed bracket. When the locking block is released to unlock the cradle, the cradle is lifted and the locking portion of the rotating locking block is snapped into the positioning slot to maintain the lifting state of the cradle.

2. The flax wet spinning frame drafting device according to claim 1, characterized in that: The apron frame assembly includes a frame, an apron and a weighted roller, the frame includes a front side plate and a rear side plate arranged opposite to each other, a first rotor, a second rotor and a third rotor are rotatably installed between the front side plate and the rear side plate, and the first rotor, the second rotor and the third rotor are arranged in a triangle; the frame and the apron are straddled on the apron roller, and the apron is sleeved on the weighted roller, the first rotor, the second rotor and the third rotor in a tensioned state, the weighted roller is suspended from one end corner of the frame away from the three rotors, the second rotor is installed at two end corners of the frame, and the weighted roller and the first rotor respectively cooperate with the apron roller to clamp the apron, and the first rotor arches the apron between the weighted roller and the second rotor; a tension rod sleeved in the apron is also connected between the front side plate and the rear side plate, and the tension rod is arranged at the three end corners of the frame close to the third rotor.

3. The flax wet spinning frame drafting device according to claim 2, characterized in that: The first rotor, the second rotor and the third rotor each include a main shaft and two clamping caps, the clamping caps are provided with through holes for rotating and plugging the main shaft, the front side plate and the rear side plate are respectively provided with matching clamping slots, and the clamping caps are fixed in the clamping slots.

4. The flax wet spinning frame drafting device according to claim 3, characterized in that: The clamping slots on the front side plate and the rear side plate are also provided with two arc grooves arranged opposite to each other, and the clamping cap is clamped and fixed between the arc grooves after being clamped into the notches of the clamping slots.

5. The flax wet spinning frame drafting device according to claim 2, characterized in that: The end corners of the front side plate and the rear side plate are both provided with extension blocks for shielding the weighted roller.

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