CN112877889A

CN112877889A - Yarn pressing device of textile machinery

Info

Publication number: CN112877889A
Application number: CN202110040222.6A
Authority: CN
Inventors: 盛娜; 陈晨
Original assignee: Ma'anshan Miros Robot Technology Co ltd
Current assignee: Ma'anshan Miros Robot Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-06-01

Abstract

The invention relates to the technical field of textile machinery and discloses a yarn pressing device of textile machinery, which comprises a shell and yarns, wherein an opening is formed in the upper end of the shell, a cover plate is fixedly connected to the opening through a bolt, a strip-shaped opening is formed in the front side of the shell, round holes are formed in the left side and the right side of the shell, V-shaped holes are formed in one side of each of the two round holes, one side of each V-shaped hole is communicated with the strip-shaped opening, the shell is in sliding sleeve connection with the yarns through the round holes, a supporting arm is fixedly connected to the left side of the shell, a directional pipe is fixedly connected to one end, far away from the shell, of the supporting arm, a sleeve is in sliding sleeve connection with the side. This spinning machine yarn pressing device can effectively reduce the frequency of beating when the yarn gets into the yarn presser, prevents that the yarn from twining on the yarn presser and knoing, can also effectively clear up the fibre batting on the yarn when the yarn is sent in the yarn presser.

Description

Yarn pressing device of textile machinery

Technical Field

The invention relates to the technical field of textile machinery, in particular to a yarn pressing device of the textile machinery.

Background

The circular knitting machine guides the yarn into the yarn feeding device by the yarn guide mechanism, and then carries out subsequent quantitative or variable yarn feeding operation by the yarn feeding wheel and the yarn guide rod of the yarn feeding device. Generally, a yarn feeder is provided with a yarn detecting arm set on its body, and a yarn presser is provided on its yarn feeding path, the yarn presser can adjust the yarn feeding path through which the yarn passes to facilitate the detection of the tension state of the yarn feeding or yarn discharging by the detecting arm set, when the tension of the yarn at the upstream end or the downstream end of the yarn feeding path is abnormal, the detecting arm set can smoothly and instantly operate to stop the knitting machine, so as to avoid causing unnecessary loss.

At present, although being equipped with the presser on the textile machinery, adjust the yarn and wear the yarn feeding route of yarn feeder, but because the yarn on the yarn section of thick bamboo is mostly reciprocal coiling from top to bottom, the yarn range of beating is great when getting into the presser, breaks away from with the presser easily to also very easily twine on the presser, lead to the yarn fracture, the yarn can drop more short-staple fibre batting when pressing the presser simultaneously, forms the air quality that batting influences the workshop in the weaving workshop.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a yarn pressing device of textile machinery, which can effectively reduce the jumping frequency of yarns entering a yarn pressing device, prevent the yarns from winding and knotting on the yarn pressing device, effectively clean fiber batting on the yarns during yarn pressing and feeding, and the like, and solves the problems that the yarn jumping amplitude is large when the yarns enter the yarn pressing device, the yarns are easy to separate from the yarn pressing device, the yarns are easy to wind on the yarn pressing device, the yarns are broken, and meanwhile, more short fiber batting can fall off when the yarns pass through the yarn pressing device.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a yarn pressing device of textile machinery comprises a shell and yarns, wherein an opening is formed in the upper end of the shell, a cover plate is fixedly connected to the opening through bolts, a strip-shaped opening is formed in the front side of the shell, round holes are formed in the left side and the right side of the shell, a V-shaped hole is formed in one side of each of the two round holes, one side of each V-shaped hole is communicated with the strip-shaped opening, the shell is in sliding sleeve joint with the yarns through the round holes, a supporting arm is fixedly connected to the left side of the shell, a directional pipe is fixedly connected to one end, away from the shell, of the supporting arm, a sleeve is connected to the side wall of the supporting arm through the directional hole in a sliding sleeve joint mode, a yarn pressing mechanism is connected to the pipe wall of the sleeve, a rectangular through hole is formed in the right side of the shell, the utility model discloses a buffer structure, including shell, elastic rod, connecting block, pivot, swing arm, through-hole, the both ends of elastic rod all with the right-hand member inner wall sliding connection of shell, two connecting blocks of the right-hand member inner wall fixedly connected with of shell, two one side that the connecting block is relative all rotates through the lateral wall of pivot and swing arm to be connected, the directional pole of vertical setting is cup jointed through the through-hole slip in the one end of swing arm, be connected with buffer mechanism on the pole wall of directional pole, the rear side of shell passes through mounting hole fixedly connected with pipe, the one end of pipe extends to.

Preferably, the wire pressing mechanism is including setting up last pressure disk and the pressure disk down on the sleeve pipe wall, the center department of going up the pressure disk all cup joints through first round mouth and sheathed tube pipe wall slip, the center department of pressure disk passes through second round mouth and sheathed tube pipe wall fixed connection down, it has all seted up arc chamfer with a relative side edge of pressure disk down to go up the pressure disk, the lead screw has been cup jointed in the intraductal slip, lead screw lower extreme fixedly connected with disc, first spring and second spring have been cup jointed in the slip on the pole wall of lead screw, the one end of first spring and the lower extreme sliding connection of pressure disk down, the other end of first spring and the upper end sliding connection of disc, the one end of second spring and the upside sliding connection of support arm, the other end sliding connection of second spring has the nut, nut and lead screw threaded connection.

Preferably, buffer gear cup joints the third spring on the directional bar pole wall including sliding, the upper end fixedly connected with plectane of third spring, the lower extreme of third spring and the upper end fixed connection of swing arm, the lower extreme of plectane and the upper end fixed connection of directional bar, the lower extreme of directional bar passes the through-hole and is connected with spacing pipe through the pivot rotation, the both ends of spacing pipe all are equipped with the hem portion, the elastic sheet that two slopes of the upper end fixedly connected with of spacing pipe set up, fixedly connected with annular plate on the pole wall of directional bar, the upper end of annular plate and the lower extreme sliding connection of swing arm, the lower extreme of annular plate respectively with the upper end sliding connection of two elastic sheets.

Preferably, clearance mechanism includes the exhaust pipe of vertical fixed connection in pipe orifice department, through the casing of the cylindrical structure of breach fixedly connected with on the pipe wall of exhaust pipe, the rotation axis has all been cup jointed through the pilot hole slip in the both sides that the casing is relative, two pilot holes and fixedly connected with spacing ring on the casing are passed respectively at the both ends of rotation axis, and one side sliding connection of spacing ring and casing, lie in the brush of the equal fixedly connected with heliciform structure in the left and right sides of casing on the axle wall of rotation axis, lie in the casing fixedly connected with impeller on the axle wall of rotation axis, one side of casing is located and passes the breach and has seted up the opening, the upper end mouth of pipe department fixedly connected with horn-shaped structure's of exhaust pipe wind-collecting cover.

Preferably, one side fixedly connected with backup pad of exhaust pipe, the upper end of backup pad and the downside sliding connection of brush, the one end slope fixedly connected with deflector that the exhaust pipe was kept away from to the backup pad, one side of deflector and one side inclined plane in V type hole are located same inclined plane.

Preferably, a guide plate is fixedly connected in the exhaust pipe in an inclined manner, the guide plate is positioned on one side of the impeller, and the area of the guide plate is smaller than the cross section of the exhaust pipe.

(III) advantageous effects

Compared with the prior art, the invention provides a textile machinery yarn pressing device, which has the following beneficial effects:

1. when the invention is used, the yarn sequentially passes through the buffer mechanism, the round hole and the directional tube, when the yarn passes through the round hole, the yarn firstly passes through the strip-shaped through hole and enters the round hole through the V-shaped hole, thereby the yarn can be quickly installed in the round hole, and due to the structural characteristics of the V-shaped hole, the yarn is not easy to slip from the round hole, and the jumping amplitude of the yarn can be reduced by utilizing the buffer mechanism, the round hole and the directional tube, the yarn passes through the directional tube, the upper pressure plate and the lower pressure plate jointly extrude the yarn, when the pressing force needs to be adjusted, the nut is screwed by a tool, the nut is stressed on the screw rod to slide and extrude the second spring, the second spring is stressed and contracted to give a reverse force to the nut, thereby the nut pulls the screw rod to make the disc move, the disc is stressed and extrudes the first spring, the first spring is stressed to push the lower pressure plate to move, thereby the, go up the pressure disk and pass through bushing between the pressure disk down, and then make go up the pressure disk and press the difficult dead yarn of card of disk down, avoid leading to the yarn fracture when pressing the yarn and sending the yarn.

2. The yarn tension device is provided with the buffer mechanism, when the yarn tension device is used, yarns penetrate through the limiting pipe, the limiting pipe is stressed to swing around the shaft pin when the yarns swing, the elastic sheet is extruded when the limiting pipe swings, the elastic sheet is stressed to extrude the annular plate to deform, meanwhile, the annular plate is stressed to drive the directional rod to enable the swing arm to swing around the rotating shaft, the elastic rod deforms when the swing arm swings, and can be matched with the elastic sheet to buffer the limiting pipe, the directional rod slides in a through hole in the swing arm when being stressed, the circular plate is driven to extrude the third spring when the directional rod slides, and the third spring can be matched with the elastic rod and the elastic sheet to play a buffer role when being stressed and contracted, so that the jumping amplitude of the yarns during paying off can be effectively reduced, and the yarns are prevented from being wound.

3. The invention is provided with a cleaning mechanism, when in use, a guide pipe is connected with external negative pressure equipment, when negative pressure air flows in the guide pipe, the external air enters into a shell through a strip-shaped through hole, a V-shaped hole and a round hole, the air in the shell enters into an exhaust pipe through an air collecting cover and then is discharged through the guide pipe, when the air passes through the air collecting cover, the air flow entering into the exhaust pipe is increased due to the horn shape of the air collecting cover, the impeller is blown by the air flow to drive a rotating shaft to rotate, the rotating shaft drives a brush to rotate when rotating, further the rotating brush can be used for brushing short fibers on yarns, the brushed short fibers float in the shell and are discharged by the exhaust pipe and the negative pressure air in the guide pipe, thereby preventing the yarns from forming flocks when passing through a yarn presser from floating in a textile workshop, and when the yarns are installed, an obliquely arranged guide plate can guide the yarns to the upper end of a support plate, and then can utilize the backup pad to support the yarn, cause the yarn high frequency to beat when avoiding the brush rotation.

Drawings

FIG. 1 is a schematic structural view of a yarn pressing device of a textile machine according to the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of FIG. 1 of a yarn pressing device of a textile machine according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 of a yarn pressing device of a textile machine according to the present invention;

FIG. 4 is a schematic structural diagram of a thread pressing mechanism in a thread pressing device of a textile machine according to the present invention;

FIG. 5 is a schematic structural diagram of a buffering mechanism in a yarn pressing device of a textile machine according to the present invention;

FIG. 6 is a schematic structural diagram of a cleaning mechanism in a yarn pressing device of a textile machine according to the present invention;

fig. 7 is a sectional view of an air collecting cover, an exhaust duct and a shell in a yarn pressing device of a textile machine provided by the invention.

In the figure: 1. a housing; 2. a cover plate; 3. a support arm; 4. a directional tube; 5. a strip-shaped opening; 6. a V-shaped hole; 7. a circular hole; 8. swinging arms; 9. a limiting pipe; 10. a yarn; 11. a conduit; 12. an exhaust duct; 13. a guide plate; 14. a brush; 15. a wind collecting cover; 16. a housing; 17. an elastic rod; 18. a rotating shaft; 19. an impeller; 20. a baffle; 21. a support plate; 22. a limiting ring; 23. a screw rod; 24. a second spring; 25. a sleeve; 26. an upper platen; 27. a lower platen; 28. a first spring; 29. a disc; 30. a nut; 31. an annular plate; 32. an orientation bar; 33. an elastic sheet; 34. a circular plate; 35. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

a textile machinery yarn pressing device comprises a shell 1 and yarns 10, an opening is arranged at the upper end of the shell 1, a cover plate 2 is fixedly connected at the opening through a bolt, a strip-shaped opening 5 is arranged at the front side of the shell 1, round holes 7 are respectively arranged at the left side and the right side of the shell 1, a V-shaped hole 6 is respectively arranged at one side of each of the two round holes 7, one side of each V-shaped hole 6 is communicated with the corresponding strip-shaped opening 5, the shell 1 is in sliding sleeve connection with the yarns 10 through the round holes 7, a supporting arm 3 is fixedly connected at the left side of the shell 1, one end, far away from the shell 1, of the supporting arm 3 is fixedly connected with a directional pipe 4, a sleeve 25 is sleeved at the side wall of the supporting arm 3 through the directional hole in a sliding manner, a yarn pressing mechanism is connected to the pipe wall of the sleeve 25 and comprises an upper pressing plate 26 and a lower pressing plate 27 which are arranged on the pipe wall of the sleeve 25, a first, an arc chamfer is respectively arranged at the edge of one side of the upper pressure plate 26 opposite to the lower pressure plate 27, a screw rod 23 is sleeved in a sleeve 25 in a sliding manner, a disc 29 is fixedly connected to the lower end of the screw rod 23, a first spring 28 and a second spring 24 are sleeved on the rod wall of the screw rod 23 in a sliding manner, one end of the first spring 28 is connected with the lower end of the lower pressure plate 27 in a sliding manner, the other end of the first spring 28 is connected with the upper end of the disc 29 in a sliding manner, one end of the second spring 24 is connected with the upper side of the supporting arm 3 in a sliding manner, the other end of the second spring 24 is connected with a nut 30 in a sliding manner, the nut 30 is in threaded connection with the screw rod 23, a rectangular through hole is arranged on the right side of the shell 1, a swing arm 8 is sleeved in the rectangular through hole in a sliding manner, one end of the swing arm 8 extends into the shell 1 and is, the relative one side of two connecting blocks all rotates through the pivot and is connected with the lateral wall of swing arm 8, and the directional bar 32 of vertical setting has been cup jointed through the through-hole slip to the one end of swing arm 8, is connected with buffer gear on the pole wall of directional bar 32, and mounting hole fixedly connected with pipe 11 is passed through to the rear side of shell 1, and the one end of pipe 11 extends to in the shell 1 and is connected with clearance mechanism.

When the yarn guide device is used, the yarn 10 sequentially passes through the buffer mechanism, the round hole 7 and the directional tube 4, when the yarn passes through the round hole 7, the yarn firstly passes through the strip-shaped through hole 5 and enters the round hole 7 through the V-shaped hole 6, the yarn 10 can be quickly installed in the round hole 7, and due to the structural characteristics of the V-shaped hole 6, the yarn is not easy to slip from the round hole 7, the jumping amplitude of the yarn can be reduced by utilizing the buffer mechanism, the round hole 7 and the directional tube 4, the yarn 10 jointly extrudes the yarn 10 by the upper pressing disc 26 and the lower pressing disc 27 when the yarn 10 passes through the directional tube 4, when the compaction force needs to be adjusted, the nut 30 is screwed by a tool, the nut 30 is forced to slide on the screw rod 23 to extrude the second spring 24, the second spring 24 is forced to shrink to the nut 30 to have a reverse force, so that the nut 30 pulls the screw rod 23 to enable the disc, first spring 28 atress moves lower pressure disk 27 and removes, and then can make upper pressure disk 26 and lower pressure disk 27 extrude yarn 10 together, connects through sleeve pipe 25 between upper pressure disk 26 and the lower pressure disk 27, and then makes upper pressure disk 26 and lower pressure disk 27 be difficult for the dead yarn 10 of card, avoids leading to the yarn fracture when pressing the yarn and sending the yarn.

Example 2: the difference is based on example 1;

buffer gear is including sliding the third spring 35 of cup jointing on directional bar 32 pole wall, the upper end fixedly connected with plectane 34 of third spring 35, the lower extreme of third spring 35 and the upper end fixed connection of swing arm 8, the lower extreme of plectane 34 and the upper end fixed connection of directional bar 32, the lower extreme of directional bar 32 passes the through-hole and is connected with spacing pipe 9 through the pivot rotation, the both ends of spacing pipe 9 all are equipped with the hem portion, two elasticity pieces 33 that the slope set up of the upper end fixedly connected with of spacing pipe 9, fixedly connected with annular plate 31 on the pole wall of directional bar 32, the upper end of annular plate 31 and the lower extreme sliding connection of swing arm 8, the lower extreme of annular plate 31 respectively with the upper end sliding connection of two elasticity pieces 33

The yarn tension device is provided with a buffer mechanism, when the yarn tension device is used, a yarn 10 penetrates through a limiting pipe 9, the limiting pipe 9 is stressed to swing around a shaft pin when the yarn 10 swings, an elastic sheet 33 is extruded when the limiting pipe 9 swings, the elastic sheet 32 is stressed to extrude an annular plate 31 to deform, meanwhile, the annular plate 31 is stressed to drive a directional rod 32 to enable a swing arm 8 to swing around a rotating shaft, when the swing arm 8 swings, an elastic rod 17 deforms and can be matched with the elastic sheet 33 to buffer the limiting pipe 9, when the directional rod 32 is stressed, the elastic sheet slides in a through hole in the swing arm 8, when the directional rod 32 slides, the circular plate 34 is driven to extrude a third spring 35, when the third spring 35 is stressed to contract, the third spring can be matched with the elastic rod 17 and the elastic sheet 33 to play a buffer effect, the jumping amplitude of the yarn 10 during paying off can be effectively reduced.

Example 3: the difference is based on example 1;

the cleaning mechanism comprises an exhaust pipe 12 vertically and fixedly connected with the pipe orifice of the guide pipe 11, a shell 16 with a cylindrical structure is fixedly connected on the pipe wall of the exhaust pipe 12 through a gap, a rotating shaft 18 is sleeved on two opposite sides of the shell 16 through assembling holes in a sliding way, two ends of the rotating shaft 18 respectively penetrate through two assembling holes on the shell 16 and are fixedly connected with a limiting ring 22, the limiting ring 22 is connected with one side of the shell 16 in a sliding way, brushes 14 with spiral structures are fixedly connected on the left side and the right side of the shell 16 on the shaft wall of the rotating shaft 18, an impeller 19 is fixedly connected in the shell 16 on the shaft wall of the rotating shaft 18, one side of the shell 16 penetrates through the gap and is provided with a notch, a guide plate 20 is fixedly connected in the exhaust pipe 12 in an inclined way, the guide plate 20 is positioned on one side of the impeller 19, the area of the guide plate 20 is smaller than the transverse section of, one side of exhaust pipe 12 is fixedly connected with backup pad 21, the upper end of backup pad 21 and the downside of brush 14 sliding connection, and the one end slope fixedly connected with deflector 13 of backup pad 21 keeping away from exhaust pipe 12, one side of deflector 13 and one side inclined plane of V-arrangement hole 6 are located the same inclined plane.

The invention is provided with a cleaning mechanism, when in use, a conduit 11 is connected with an external negative pressure device (not shown in the figure), when negative pressure air flows in the conduit 11, external air enters the shell 1 through the strip-shaped through hole 5, the V-shaped hole 6 and the round hole 7, the air in the shell 1 enters the exhaust pipe 12 through the air collecting cover 15 and then is discharged through the conduit 11, when the air passes through the air collecting cover 15, because the air collecting cover 15 is horn-shaped, the air flow velocity entering the exhaust pipe 12 is increased, and the airflow blows the impeller 19 to drive the rotating shaft 18 to rotate, the rotating shaft 18 drives the brush 14 to rotate when rotating, thereby the short fiber on the yarn 10 can be brushed off by the rotating brush 14, the brushed short fiber floats in the shell 1 and is discharged by the negative pressure air in the exhaust pipe 12 and the conduit 11, thereby the yarn 10 can be prevented from floating in a textile workshop when passing through a yarn presser, when the yarn 10 is installed, the guide plate 13 which is obliquely arranged can guide the yarn 10 to the upper end of the support plate 21, so that the support plate 21 can be used for supporting the yarn 10, and the high-frequency jumping of the yarn 10 caused by the rotation of the hairbrush 14 is avoided.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A textile machinery yarn pressing device comprises a shell (1) and yarns (10), and is characterized in that: the yarn guide device is characterized in that an opening is formed in the upper end of the shell (1), a cover plate (2) is fixedly connected to the opening through a bolt, a strip-shaped opening (5) is formed in the front side of the shell (1), round holes (7) are formed in the left side and the right side of the shell (1), V-shaped holes (6) are formed in one sides of the two round holes (7), one sides of the V-shaped holes (6) are communicated with the strip-shaped opening (5), the shell (1) is in sliding sleeve joint with yarns (10) through the round holes (7), a support arm (3) is fixedly connected to the left side of the shell (1), one end, far away from the shell (1), of the support arm (3) is fixedly connected with a directional pipe (4), a sleeve pipe (25) is slidably sleeve-jointed with the side wall of the support arm (3) through the directional hole, a yarn pressing mechanism is connected to the, swing arm (8) have been slided and has been cup jointed in the rectangle through-hole, the one end of swing arm (8) extends to shell (1) in and elastic rod (17) of fixedly connected with arc structure, the both ends of elastic rod (17) all with the right-hand member inner wall sliding connection of shell (1), two connecting blocks of the right-hand member inner wall fixedly connected with of shell (1), two the relative one side of connecting block all rotates through the lateral wall of pivot and swing arm (8) to be connected, the one end of swing arm (8) has cup jointed directional pole (32) of vertical setting through the through-hole slip, be connected with buffer gear on the pole wall of directional pole (32), mounting hole fixedly connected with pipe (11) is passed through to the rear side of shell (1), the one end of pipe (11) extends to shell (1) in and is connected with clearance mechanism.

2. The yarn pressing device of the textile machine as claimed in claim 1, wherein: the wire pressing mechanism comprises an upper pressing plate (26) and a lower pressing plate (27) which are arranged on the pipe wall of a sleeve (25), the center of the upper pressing plate (26) is in sliding sleeve connection with the pipe wall of the sleeve (25) through a first round opening, the center of the lower pressing plate (27) is in fixed connection with the pipe wall of the sleeve (25) through a second round opening, arc-shaped chamfers are arranged at the corners of one side opposite to the upper pressing plate (26) and the lower pressing plate (27), a lead screw (23) is sleeved in the sleeve (25) in a sliding manner, a disc (29) is fixedly connected to the lower end of the lead screw (23), a first spring (28) and a second spring (24) are sleeved on the rod wall of the lead screw (23) in a sliding manner, one end of the first spring (28) is in sliding connection with the lower end of the lower pressing plate (27), the other end of the first spring (28) is in sliding connection with the upper end of the disc (29), one end of the second spring (24) is in sliding connection, the other end of the second spring (24) is connected with a nut (30) in a sliding mode, and the nut (30) is in threaded connection with the screw rod (23).

3. The yarn pressing device of the textile machine as claimed in claim 1, wherein: the buffer mechanism comprises a third spring (35) which is sleeved on the rod wall of the directional rod (32) in a sliding way, the upper end of the third spring (35) is fixedly connected with a circular plate (34), the lower end of the third spring (35) is fixedly connected with the upper end of the swing arm (8), the lower end of the circular plate (34) is fixedly connected with the upper end of the orientation rod (32), the lower end of the orientation rod (32) passes through the through hole and is rotatably connected with a limit pipe (9) through a shaft pin, both ends of the limiting pipe (9) are provided with curled parts, the upper end of the limiting pipe (9) is fixedly connected with two elastic sheets (33) which are obliquely arranged, the rod wall of the orientation rod (32) is fixedly connected with an annular plate (31), the upper end of the annular plate (31) is connected with the lower end of the swing arm (8) in a sliding way, the lower end of the annular plate (31) is respectively connected with the upper ends of the two elastic sheets (33) in a sliding manner.

4. The yarn pressing device of the textile machine as claimed in claim 1, wherein: the cleaning mechanism comprises an exhaust pipe (12) which is vertically and fixedly connected with the pipe orifice of the guide pipe (11), the pipe wall of the exhaust pipe (12) is fixedly connected with a shell (16) with a cylindrical structure through a gap, the two opposite sides of the shell (16) are sleeved with a rotating shaft (18) through assembling holes in a sliding manner, two ends of the rotating shaft (18) respectively penetrate through two assembling holes on the shell (16) and are fixedly connected with a limiting ring (22), the limit ring (22) is connected with one side of the shell (16) in a sliding way, the left side and the right side of the shell (16) on the shaft wall of the rotating shaft (18) are fixedly connected with a hairbrush (14) with a spiral structure, an impeller (19) is fixedly connected on the shaft wall of the rotating shaft (18) in the shell (16), one side of the shell (16) is positioned to penetrate through the gap and is provided with a notch, and the upper end pipe orifice of the exhaust pipe (12) is fixedly connected with a wind collecting cover (15) with a horn-shaped structure.

5. The yarn pressing device of the textile machine as claimed in claim 4, wherein: one side fixedly connected with backup pad (21) of exhaust pipe (12), the downside sliding connection of the upper end of backup pad (21) and brush (14), the one end slope fixedly connected with deflector (13) of exhaust pipe (12) are kept away from in backup pad (21), one side of deflector (13) is located same inclined plane with one side inclined plane of V type hole (6).

6. The yarn pressing device of the textile machine as claimed in claim 4, wherein: the exhaust pipe (12) is internally and fixedly connected with a guide plate (20) in an inclined mode, the guide plate (20) is located on one side of the impeller (19), and the area of the guide plate (20) is smaller than the cross section of the exhaust pipe (12).