阅读说明：本技术 一种不易断纱的细纱机 (Spinning frame with low possibility of yarn breakage ) 是由 余水 余大学 于 2021-07-07 设计创作，主要内容包括：本发明公开了一种不易断纱的细纱机,包括机架,机架的上端设置有粗砂架,机架的外侧从上端倾斜向下依次设置有上罗拉、中间牵引部件及下罗拉,中间牵引部件包括多个依次从上向下倾斜设置的第一牵引齿轮、外套于所有第一牵引齿轮的第一牵引皮圈；机架的上端转动连接有摇架,摇架的左右两侧均转动连接有上胶辊及下胶辊,摇架的中部转动连接有多个第二牵引齿轮,摇架的左右两侧均设置有外套于所有第二牵引齿轮的第二牵引皮圈；机架上于上罗拉的上方安装有导纱喇叭口,机架于导纱喇叭口的上方横向设置有吸花管,吸花管设置有开口朝向导纱喇叭口开口的吸花口。本发明在中段均匀牵拉粗砂,防止张力过大导致断纱,并且有效防止喇叭口积花导致断纱。(The invention discloses a spinning frame with low possibility of yarn breakage, which comprises a frame, wherein a coarse sand frame is arranged at the upper end of the frame, an upper roller, a middle traction part and a lower roller are sequentially arranged on the outer side of the frame from the upper end to the lower end in an inclined manner, and the middle traction part comprises a plurality of first traction gears which are sequentially arranged from the upper end to the lower end in an inclined manner and first traction leather rings which are externally sleeved on all the first traction gears; the upper end of the rack is rotatably connected with a cradle, the left side and the right side of the cradle are rotatably connected with an upper rubber roller and a lower rubber roller, the middle part of the cradle is rotatably connected with a plurality of second traction gears, and the left side and the right side of the cradle are provided with second traction leather rings sleeved on all the second traction gears; the frame is provided with a yarn guide bell mouth above the upper roller, the frame is transversely provided with a flower suction pipe above the yarn guide bell mouth, and the flower suction pipe is provided with a flower suction port with an opening facing the opening of the yarn guide bell mouth. The invention uniformly draws coarse sand at the middle section, prevents yarn breakage caused by overlarge tension and effectively prevents yarn breakage caused by horn mouth accumulated patterns.)

1. The utility model provides a spinning frame of difficult disconnected yarn, includes frame (1), its characterized in that: the sand-making machine is characterized in that a coarse sand frame (2) is arranged at the upper end of the rack (1), an upper roller (3), a middle traction part (4) and a lower roller (5) are sequentially and obliquely arranged at the outer side of the rack (1) from the upper end to the lower end, the middle traction part (4) comprises a plurality of first traction gears (41) which are sequentially and obliquely arranged from the top to the lower end, and first traction leather rings (42) which are sleeved on all the first traction gears (41), the tooth pitch of the first traction gears (41) from the top to the lower end is gradually increased, the circumferential speed is gradually increased, the first traction leather rings (42) have extensibility, and the inner wall of each first traction leather ring is provided with a first rack (43) which is meshed with the first traction gears (41);

the upper end of the rack (1) is rotatably connected with a cradle (6), the left side and the right side of the cradle (6) are rotatably connected with an upper rubber roller (61) and a lower rubber roller (62) which are respectively matched with an upper roller (3) and a lower roller (5), the middle part of the cradle (6) is rotatably connected with a plurality of second traction gears (65) which are respectively meshed with each first traction gear (41) and have gradually-increased tooth pitches, the left side and the right side of the cradle (6) are respectively provided with second traction leather rings (66) which are matched with the first traction leather rings (42) and are externally sleeved on all the second traction gears (65), each second traction leather ring (66) has extensibility, and the inner wall of each second traction leather ring is provided with a second rack (67) meshed with the two traction gears;

a yarn guide bell mouth (7) is arranged above the upper roller (3) on the frame (1), a suction pipe (71) is transversely arranged above the yarn guide bell mouth (7) on the frame (1), the suction pipe (71) is provided with a suction opening (72) with an opening facing the opening of the yarn guide bell mouth (7), and the suction pipe (71) is communicated with a dust suction device;

a twisting mechanism (8) is arranged on the lower side of the rack (1), a spinning spindle (81) is connected to the twisting mechanism (8) in a rotating manner, a driving motor for driving the spinning spindle (81) to rotate is arranged in the rack (1), the lower end of the spinning spindle (81) is electrically connected with the driving motor through a driving leather ring (82), an elastic brace (9) which is inclined downwards is arranged between the lower roller (5) and the twisting mechanism (8) on the outer side of the rack (1), a yarn guide hook (91) is arranged at the free end of the elastic brace (9), a power box (10) is arranged on one side of the rack (1), a power driving device is arranged in the power box (10) and drives the upper roller (3), the lower roller (5) and each first traction gear (41) to rotate, and a dust suction device is arranged in the power box (10), a control module is arranged in the power box (10), and the dust collection device, the power driving device and the driving motor are all electrically connected with the control module.

2. The spinning frame of unbreakable yarn as claimed in claim 1, wherein: an induction sheet (92) is arranged on the elastic brace (9), and a Hall sensor (93) which is matched with the induction sheet (92) and electrically connected with the control module is arranged on the side wall of the rack (1).

3. The spinning frame of unbreakable yarn as claimed in claim 1, wherein: both sides of the cradle (6) are connected with upper scraping blades (63) which are in contact with the outer wall of the corresponding upper rubber roll (61), and both sides of the cradle (6) are connected with lower scraping blades (64) which are in contact with the outer wall of the corresponding lower rubber roll (62).

4. The spinning frame of unbreakable yarn as claimed in claim 1, wherein: the upper roller (3) and the periphery that upper rubber roll (61) contacted are provided with the annular knurl, lower roller (5) and the periphery that lower rubber roll (62) contacted is provided with the annular knurl.

Technical Field

The invention relates to the technical field of spinning, in particular to a spinning frame with low possibility of yarn breakage.

Background

The spinning frame is characterized in that semi-finished roving or slivers are drafted, twisted and wound into spun yarn tubes in the spinning process, the slivers are drafted and twisted on the roving frame to form roving, a combing machine combs fibers to form combed slivers, a gill box combines the slivers, the gill arrangement drafting improves the sliver structure, the roving is further twisted and spun into spun yarns on a ring spinning frame, and the spinning frame is a main machine for spinning.

The broken yarn of the spun yarn is the main hazard in the production of the spun yarn: the yield of the spinning frame is influenced, and the production efficiency is reduced; the labor intensity of a driver is increased; the defects of the cloth cover are increased easily, and large quality fluctuation is caused; the consumption of the waste cotton, waste silk and machine materials is increased; therefore, broken ends are the obstacles for the production and development of high-yield, high-quality, low-consumption and large-package production of spun yarns at present. During spinning, the yarn is subjected to considerable tension in the axial direction, proper tension is a necessary condition for ensuring winding, but excessive tension increases the frequency of yarn breakage. Moreover, the responsibility of a car stop worker is poor, the car stop worker is not clean, and excessive accumulated horn mouth flowers and empty roving yarns can also cause yarn breakage due to the fact that the car stop worker does not work regularly.

Disclosure of Invention

The invention aims to provide a spinning frame with low possibility of yarn breakage, wherein the spinning drawing middle section provides uniform and gradually increased tension to draw coarse sand, yarn breakage caused by overlarge tension is prevented, horn mouth accumulation is effectively prevented, and yarn breakage caused by accumulation is prevented.

The technical purpose of the invention is realized by the following technical scheme:

by adopting the technical scheme, the spinning frame with the yarn not easy to break comprises a frame, wherein a coarse sand frame is arranged at the upper end of the frame, an upper roller, a middle traction part and a lower roller are sequentially arranged on the outer side of the frame from the upper end to the lower end in an inclined manner, the middle traction part comprises a plurality of first traction gears which are sequentially arranged from the top to the lower end in an inclined manner, and first traction leather rings which are externally sleeved on all the first traction gears, the tooth pitch of the first traction gears from the top to the lower end is gradually increased, the circumferential speed is gradually increased, the first traction leather rings have ductility, and first racks which are meshed with the first traction gears are arranged on the inner walls of the first traction leather rings;

the upper end of the rack is rotatably connected with a cradle, the left side and the right side of the cradle are rotatably connected with a gluing roller and a gluing roller which are respectively matched with the upper roller and the lower roller, the middle part of the cradle is rotatably connected with a plurality of second traction gears which are respectively meshed with each first traction gear and have gradually-increased tooth pitches, the left side and the right side of the cradle are respectively provided with a second traction leather collar which is matched with the first traction leather collar and is externally sleeved on all the second traction gears, the second traction leather collar has ductility, and the inner wall of the second traction leather collar is provided with a second rack which is meshed with the two traction gears;

a yarn guide bell mouth is arranged above the upper roller on the machine frame, a flower suction pipe is transversely arranged above the yarn guide bell mouth on the machine frame, the flower suction pipe is provided with a flower suction port with an opening facing the opening of the yarn guide bell mouth, and the flower suction pipe is communicated with a dust suction device;

a twisting mechanism is arranged at the lower side of the frame, a spun yarn spindle is rotatably connected on the twisting mechanism, a driving motor for driving the spun yarn spindle to rotate is arranged in the frame, the lower end of the spun yarn spindle is electrically connected with the driving motor through a driving leather ring, elastic brace which is inclined downwards is arranged between the lower roller and the twisting mechanism on the outer side of the frame, the free end of the elastic brace is provided with a yarn guide hook, one side of the frame is provided with a power box, a power driving device is arranged in the power box and drives the upper roller, the lower roller and each first traction gear to rotate, dust extraction set up in the headstock, be provided with control module in the headstock, dust extraction power drive reaches driving motor all with control module electricity links.

The invention is further provided with: during operation, coarse sand on the coarse sand rack passes through a yarn guide bell mouth and is fed between an upper roller and an upper rubber roller, then enters an intermediate traction part, enters a position between a lower roller and the lower rubber roller, finally passes through a yarn guide hook and enters a twisting mechanism, the coarse sand enters the intermediate traction part from the upper roller, the first traction part is subjected to first traction due to the increase of the rotating speed, the tooth pitch of a first traction gear is gradually increased and the peripheral speed is gradually increased in the intermediate traction part to drive a first traction leather collar and a second traction leather collar to be gradually stretched and lengthened, the coarse sand in the process is gradually stretched and lengthened, the coarse sand is always compressed by the first traction leather collar and the second traction leather collar in the traction process, the coarse sand is uniformly stretched, thinned and lengthened, the coarse sand traction quality is effectively ensured, broken yarns are reduced, finally the coarse sand is drawn into spun yarns meeting the requirements through the lower roller, and finally the spun yarns are twisted and wound in the twisting mechanism; in the process, the pattern suction port continuously sucks the patterns to the yarn guide bell mouth, so that yarn breakage caused by accumulated patterns of the yarn guide bell mouth is prevented.

By adopting the technical scheme, the elastic brace is provided with the sensing piece, and the side wall of the rack is provided with the Hall sensor which is matched with the sensing piece and is electrically connected with the control module.

The invention is further provided with: during twisting, if the spindle speed is too fast, the spun yarn is excessively tensioned, the excessively tensioned spun yarn pulls the elastic tension bar to move the position of the induction sheet, and after the Hall sensor detects that the induction sheet moves, the Hall sensor controls the driving motor to reduce the rotating speed to reduce the spindle speed, so that the spun yarn is prevented from being broken due to the excessively fast spindle speed.

By adopting the technical scheme, the two sides of the cradle are connected with the upper scraping blades in contact with the outer wall of the corresponding upper rubber roll, and the two sides of the cradle are connected with the lower scraping blades in contact with the outer wall of the corresponding lower rubber roll.

The invention is further provided with: prevent the yarn breakage caused by excessive accumulated patterns of the upper rubber roller and the lower rubber roller.

Through adopting above-mentioned technical scheme, the top roller with the periphery that the top sizing roller contacted is provided with the annular knurl, the bottom roller with the periphery that the bottom sizing roller contacted is provided with the annular knurl.

In conclusion, the invention has the following beneficial effects:

firstly, the intermediate traction part adopts the first traction gear with gradually increased tooth pitch and gradually increased circumferential speed to gradually stretch the first traction leather ring for lengthening, and is matched with the second traction leather ring to gradually stretch coarse sand for thinning and lengthening, so that the coarse sand traction quality is effectively ensured and yarn breakage is effectively reduced through stepwise uniform stretching;

secondly, the pattern suction port with the dust suction function is arranged at the bell mouth, so that patterns are accumulated at the bell mouth continuously, and yarn breakage caused by the accumulated patterns at the bell mouth due to the fact that the yarn is not frequently circulated is effectively prevented;

thirdly, the yarn guide hook is connected with the elastic brace through the elastic brace, when the spun yarn is too tensioned due to too high spindle speed, the elastic brace is pulled to be pulled to deform, the Hall sensor controls the rotating speed of the driving motor to be reduced after detecting the condition, the spun yarn is prevented from being broken through reducing the spindle speed, and yarn breakage is effectively prevented.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram showing a spun yarn drawing configuration;

fig. 3 is mainly used for showing the position relation of the elastic stay and the hall sensor.

In the figure: 1. a frame; 2. a coarse sand rack; 3. a top roller; 4. an intermediate traction member; 41. a first traction gear; 42. a first traction apron; 43. a first rack; 5. a lower roller; 6. a cradle; 61. gluing a rubber roller; 62. a rubber roller is arranged; 63. a doctor blade is arranged; 64. a lower scraping blade; 65. a second traction gear; 66. a second traction apron; 67. a second rack; 7. a yarn guide bell mouth; 71. a flower suction pipe 72 and a flower suction port; 8. a twisting mechanism; 81. a spun yarn spindle; 82. driving the leather ring; 9. an elastic brace; 91. a yarn guide hook; 92. an induction sheet; 93. a Hall sensor; 10. a power box.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply 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 limiting the present invention.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Embodiment, referring to fig. 1-3, a spinning frame with uneasy yarn breakage comprises a frame 1, a coarse sand frame 2 is arranged at the upper end of the frame 1, an upper roller 3, a middle traction part 4 and a lower roller 5 are sequentially arranged at the outer side of the frame 1 from the upper end to the lower end in an inclined manner, the middle traction part 4 comprises three first traction gears 41 which are sequentially arranged from the upper end to the lower end in an inclined manner, and a first traction apron 42 which is externally sleeved on all the first traction gears 41, the pitch of the first traction gears 41 from the upper end to the lower end is gradually increased, the circumferential speed is gradually increased, the first traction apron 42 has extensibility, and a first rack 43 which is meshed with the first traction gears 41 is arranged on the inner wall.

The upper end of the frame 1 is rotatably connected with a cradle 6, the left side and the right side of the cradle 6 are rotatably connected with an upper rubber roll 61 and a lower rubber roll 62 which are respectively matched with the upper roller 3 and the lower roller 5, the two sides of the cradle 6 are respectively connected with an upper scraping blade 63 which is contacted with the outer wall of the corresponding upper rubber roll 61, the two sides of the cradle 6 are respectively connected with a lower scraping blade 64 which is contacted with the outer wall of the corresponding lower rubber roll 62, the periphery of the upper roller 3 which is contacted with the upper rubber roll 61 is provided with knurls, and the periphery of the lower roller 5 which is contacted with the lower rubber roll 62 is provided with knurls; the middle part of the cradle 6 is rotatably connected with three second traction gears 65 which are respectively meshed with each first traction gear 41 and have gradually-increased tooth pitches, the middle part of each second traction gear 65 is large in outer diameter and is meshed with the first traction gear 41, the left side and the right side of the cradle 6 are respectively provided with a second traction leather collar 66 which is matched with the first traction leather collar 42 and externally sleeved on all the second traction gears 65, each second traction leather collar 66 is provided with ductility, and the inner wall of each second traction leather collar is provided with a second rack 67 which is meshed with the second traction gears.

The frame 1 is provided with a yarn guide bell mouth 7 above the upper roller 3, the frame 1 is transversely provided with a flower suction pipe 71 above the yarn guide bell mouth 7, the flower suction pipe 71 is provided with a flower suction opening 72 with an opening facing to the opening of the yarn guide bell mouth 7, and the flower suction pipe 71 is communicated with a dust suction device (not shown).

The spinning machine comprises a frame 1, a twisting mechanism 8 is arranged on the lower side of the frame 1, a spinning spindle 81 is connected to the twisting mechanism 8 in a rotating mode, a driving motor (not shown) for driving the spinning spindle 81 to rotate is arranged in the frame 1, the lower end of the spinning spindle 81 is electrically connected with the driving motor through a driving leather ring 82, an elastic brace 9 which is inclined downwards is arranged between a lower roller 5 and the twisting mechanism 8 on the outer side of the frame 1, a yarn guide hook 91 is arranged at the free end of the elastic brace 9, a sensing piece 92 is arranged on the elastic brace 9, and a Hall sensor 93 matched with the sensing piece 92 is arranged on the side wall of the frame 1.

According to design requirements, a plurality of sets of spun yarn traction equipment can be transversely arranged along the rack 1.

One side of the frame 1 is provided with a power box 10, a power driving device (not shown) is arranged in the power box 10, the power driving device drives the upper roller 3, the lower roller 5 and each first traction gear 41 to rotate, the dust suction device is arranged in the power box 10, a control module (not shown) is arranged in the power box 10, and the dust suction device, the power driving device, the driving motor and the Hall sensor 93 are all electrically connected with the control module.

The working principle is as follows: during operation, coarse sand on the coarse sand rack 2 passes through the yarn guide bell mouth 7 and is fed between the upper roller 3 and the upper rubber roller 61, then enters the middle traction part 4, enters between the lower roller 5 and the lower rubber roller 62, finally passes through the yarn guide hook 91 and enters the twisting mechanism 8, and enters the middle traction part 4 from the upper roller 3, the first traction is carried out due to the increase of the rotating speed, in the middle traction part 4, the tooth pitch of the first traction gear 41 is gradually increased, the circumferential speed is gradually increased, the first traction leather collar 42 and the second traction leather collar 66 are driven to be gradually stretched and lengthened, the coarse sand in the process is also gradually stretched and lengthened, in the traction process, the coarse sand is always compressed by the first traction leather collar 42 and the second traction leather collar 66, the uniform stretching and thinning are lengthened, the quality of the coarse sand is effectively ensured, the broken yarn is reduced, and finally the coarse sand is drawn into spun yarn meeting the requirement through the lower roller 5, finally, twisting and winding in a twisting mechanism 8; in the process, the pattern suction port 72 continuously sucks the patterns towards the yarn guide bell mouth 7 to prevent the yarn guide bell mouth 7 from accumulating, when the spindle speed is too high during twisting, the spun yarn is excessively tensioned, the excessively tensioned spun yarn pulls the elastic brace 9 to move the position of the induction sheet 92, and after the Hall sensor 93 detects that the induction sheet 92 moves, the Hall sensor controls the driving motor to reduce the rotating speed to reduce the spindle speed, so that the spun yarn is prevented from being broken due to the excessively high spindle speed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.