CN214736351U

CN214736351U - False twisting device for polyester yarns

Info

Publication number: CN214736351U
Application number: CN202121151112.9U
Authority: CN
Inventors: 林玉明; 林传付; 方友忠; 王旺
Original assignee: Hangzhou Yemao Textile Co ltd
Current assignee: Hangzhou Yemao Textile Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-16
Anticipated expiration: 2031-05-26

Abstract

The utility model belongs to the technical field of weaving equipment and specifically relates to a false twisting device for dacron silk is related to, and it includes base, three transmission shaft and three friction disk, three draw-in groove has been seted up on the base, and three draw-in groove one end is close to each other, and the other end is kept away from each other, it has the fixture block to inlay respectively in the three draw-in groove, the length of draw-in groove is greater than the length of fixture block, and every fixture block is close to draw-in groove length direction's one end side and is provided with the latch, and the latch groove has been seted up with the corresponding lateral wall of latch to every draw-in groove, three fixture block passes through the latch card and establishes in the latch groove, and three friction disk is fixed respectively to be set up on three transmission shaft, and the range upon range of crisscross setting of vertical orientation is followed to three epaxial friction disk. The overlapping area between the friction disks is adjusted to conveniently adapt to different twists of different polyester yarns, the operation is convenient, and the time for adjusting the overlapping area by detaching the friction disks is reduced.

Description

False twisting device for polyester yarns

Technical Field

The application relates to the technical field of textile equipment, in particular to a false twisting device for polyester yarns.

Background

False twisting is an important link of polyester yarn spinning in the production process of polyester yarn, and a false twister is used for false twisting of advancing polyester yarn in the spinning process so as to enable the polyester yarn to be curled and deformed.

The existing false twister comprises a base, wherein three transmission shafts are rotatably connected on the base and are arranged in a triangular shape, friction discs are respectively arranged on the three transmission shafts, and the friction discs on the three transmission shafts are distributed in a staggered manner, so that the friction discs are mutually overlapped at the center of the triangular shape. The polyester yarns pass through the center of the triangle from top to bottom, the polyester yarns sequentially pass through the peripheries of every two friction disks and the overlapping area, and the polyester yarns are curled and deformed by the rotation of each friction disk, so that the false twisting working process of the polyester yarns is completed.

In the prior art, the friction discs are fixed on the transmission shaft, the overlapping area between the friction disc layers is fixed, and the method is only suitable for processing one polyester yarn.

SUMMERY OF THE UTILITY MODEL

In order to adjust the area of overlapping friction between friction disks in the false twisting process, the application provides a false twisting device for polyester yarns.

The application provides a false twisting device for dacron silk adopts following technical scheme: the utility model provides a false twisting device for polyester yarn, includes base, three transmission shaft and three friction disk, three draw-in groove has been seted up on the base, and three draw-in groove one end is close to each other, and the other end is kept away from each other, it has the fixture block to inlay respectively in the three draw-in groove, the length of draw-in groove is greater than the length of fixture block, and every fixture block is provided with the latch near the one end side of draw-in groove length direction, and the draw-in groove has been seted up with the corresponding lateral wall of latch to every draw-in groove, three fixture block passes through the latch card and establishes in the draw-in groove, and three transmission shaft rotates with three fixture block one-to-one respectively to be connected, and is three the axle center of transmission shaft connects gradually and is triangle-shaped, and three friction disk is fixed respectively to be set up on three transmission shaft, and three epaxial friction disk is along the range upon range of crisscross setting of vertical direction.

Through adopting above-mentioned technical scheme, when the overlapping area between the friction disk is adjusted to needs, make the fixture block break away from the draw-in groove through manual upward movement transmission shaft, then remove along the length direction of draw-in groove at the fixture block that will break away from the draw-in groove, adjust the overlapping area between the friction disk after, establish the fixture block card in the draw-in groove to make the latch card on the fixture block go into the latch inslot, through the friction area who adjusts the friction disk, be suitable for the different multiple dacron silk of processing twist.

Preferably, a clamping block sliding plate is arranged in each clamping groove, the clamping block sliding plate slides along the width direction of the clamping groove, the clamping block sliding plate is located on one side, away from the clamping teeth, of each clamping block, a spring is arranged between the side wall of each clamping groove and the corresponding clamping block sliding plate, one end of each spring is fixedly connected with the side wall of the corresponding clamping tooth groove of each clamping groove, and the other end of each spring is fixedly connected with the end face, away from the clamping tooth groove, of each clamping block sliding plate.

Through adopting above-mentioned technical scheme, when removing the fixture block, earlier remove the fixture block to the direction that is close to the fixture block slide, the extrusion spring, then remove the fixture block along draw-in groove length direction, after adjusting friction area, the spring promotes the fixture block slide to the direction removal that is close to the fixture block, and supplementary fixture block card is established in the draw-in groove to the fixture block after adjusting provides the extrusion force and fixes in order to strengthen the fixture block in the draw-in groove, convenient operation effectively reduces the time of adjusting friction disk overlap area.

Preferably, the friction disc is set to the location axle is fixed to the location axle around the location axle under the effect of gravity.

Through adopting above-mentioned technical scheme, when the installation friction disk, promote the location fixture block to the direction removal of being close to the transmission shaft, then overlap the friction disk on the transmission shaft, make the friction disk pass the location fixture block, after the location fixture block loses the exogenic action, the location fixture block is rotatory and the extrusion friction disk around the direction that the transmission shaft was kept away from to the location axial under the action of gravity to accomplish the fixed between friction disk and the transmission shaft, reduce friction disk and transmission shaft and take place relative rotation in the course of the work and influence the work efficiency of false twist.

Preferably, the positioning shaft is sleeved with a torsion spring which drives the positioning clamping block to rotate towards the outside of the clamping block rotating groove, one end of the torsion spring is fixedly connected to the side wall of the clamping block rotating groove, and the other end of the torsion spring is fixedly connected with the end face of the positioning clamping block.

Through adopting above-mentioned technical scheme, after the friction disk was installed, the location fixture block also can be to keeping away from the direction upset of transmission shaft under the effort of torsional spring, utilizes the torsional spring to exert pressure in order to improve the fixed effect between friction disk and the transmission shaft to the fixture block.

Preferably, the transmission shaft is coaxially provided with a discharge disc, the discharge disc is located below the friction disc closest to the base, a storage groove is formed in the end face, away from the base, of the discharge disc, the storage groove is located right below the movement track of the polyester yarns, a ring plate used for scraping the surface of the polyester yarns is arranged at the edge of the storage groove, and the ring plate and the friction disc, closest to the base, on the transmission shaft rub against each other.

Through adopting above-mentioned technical scheme, on the dacron silk moved the terminal surface of ring board and friction disk looks mutual friction, make the border contact of dacron silk and ring board at the friction in-process, strike off the broken filament on dacron silk surface on the play charging tray, reduce remaining broken filament on the dacron silk, the broken filament that scrapes off drops in the holding tank.

Preferably, the bottom surface of the storage tank is provided with a vent, a screen is arranged in the vent, the transmission shaft is further provided with a wind wheel, the wind wheel and the discharge plate are coaxially arranged and are located right below the discharge plate, and the air inlet end of the wind wheel is opposite to the vent.

Through adopting above-mentioned technical scheme, drive the wind wheel synchronous revolution when the transmission shaft rotates, make wind get into the wind wheel from the holding tank through the ventilation opening to this adsorbs the broken filament in the holding tank on the sieve mesh on the ventilation opening, adsorbs the holding tank in with this to the broken filament of collecting, prevents the indiscriminate phenomenon of flying of broken filament.

Preferably, the fixture block is fixed with the arc plate along the transmission shaft circumferencial direction on keeping away from the base terminal surface, the arc plate forms the uncovered wind chamber of straining that makes progress with the fixture block, strain the uncovered of wind chamber and the air-out end of wind wheel relative, set up the blown down tank that supplies the dacron silk to pass on the lateral wall of base, the arc plate is close to the blown down tank position and has seted up the air outlet, the air outlet is towards the blown down tank.

Through adopting above-mentioned technical scheme, the wind that produces through the wind wheel is discharged into and is strained the wind intracavity, discharges through the air outlet again to blow off the residual broken filament on the dacron silk through the air outlet position, clear up the blown down tank simultaneously, reduce the broken filament that the false twist in-process dropped and take place the adhesion under the electrostatic action when the dacron silk passes through the blown down tank.

Preferably, the screen is detachably connected to the bottom of the storage tank.

Through adopting above-mentioned technical scheme, when the screen cloth takes place to damage, with this convenient dismantlement change screen cloth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the overlapping area between the friction disks is adjusted to conveniently adapt to different twists of different polyester yarns, the operation is convenient, and the time for adjusting the friction area by disassembling the friction disks on the false twisting device is reduced;

2. the limiting fixation between the friction disc and the transmission shaft is completed under the action of the torsion spring by utilizing the positioning card, so that the relative rotation of the friction disc and the transmission shaft in the working process is reduced, and the working efficiency of false twisting is improved;

3. through blowing the silo, reduce the broken filament that the false twist in-process dropped and take place the adhesion under the electrostatic action when dacron silk passes through the blown down tank.

Drawings

FIG. 1 is a schematic view showing the entire structure of a polyester yarn false twisting device according to an embodiment of the present invention.

FIG. 2 is a partial cross-sectional view of a friction disk of an embodiment of the present application.

Fig. 3 is a partial cross-sectional view of an exit disc according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a base according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of the latch and the latch sliding plate according to the embodiment of the present application.

Description of reference numerals: 10. a base; 11. a discharge chute; 20. a drive shaft; 21. a drive shaft; 22. a driven shaft; 23. a friction disk; 25. positioning the shaft sleeve; 26. a threaded sleeve; 27. rotating the fixture block into a groove; 28. positioning a fixture block; 29. positioning the shaft; 30. a card slot; 31. a clamping block; 32. a fixture block sliding plate; 33. a spring; 34. a bump; 35. a bump chute; 40. a discharging tray; 41. a circular ring plate; 42. a storage tank; 43. a vent; 44. screening a screen; 45. a slider clamping groove; 46. a slider; 47. a wind wheel; 48. a circular arc plate; 49. an air outlet; 50. the air filtering cavity.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a false twisting device for polyester yarns. Referring to fig. 1, the false twisting device for the polyester yarn comprises a base 10, wherein three transmission shafts 20 are arranged on the surface of the base 10, the three transmission shafts 20 comprise a driving shaft 21 and two driven shafts 22, and the axis connecting line of the three transmission shafts 20 is triangular. Three motors are arranged on the base 10, and the output ends of the three motors are respectively and fixedly connected with the three transmission shafts 20 in a one-to-one correspondence manner. Two friction discs 23 and one discharge disc 40 are arranged on the driving shaft 21 at equal intervals along the axial direction, three friction discs 23 are arranged on the driven shaft 22 at equal intervals along the axial direction, the friction discs 23 on the three transmission shafts 20 are alternately overlapped, the discharge disc 40 is located at the position, closest to the base 10, of the driving shaft 21 and mutually rubs with the friction disc 23, closest to the base 10, of the driven shaft 22, and a discharge groove 11 is formed in the end face, close to the driving shaft 21, of the base 10. The polyester yarn to be false twisted passes through the center of the triangle from top to bottom, sequentially passes through the periphery and the overlapping area of the friction discs 23 which are mutually rubbed, finally passes out of the overlapping area of the discharge disc 40 and the friction discs 23 and enters the discharge chute 11.

Referring to fig. 1, the friction plate 23 is movably connected to the transmission shaft 20 to enable the friction plate 23 to be assembled and disassembled, and in order to fix the friction plate 23 in use, a positioning block 28 is provided on the transmission shaft 20 to limit the friction plate 23 to rotate relative to the transmission shaft 20, and a positioning sleeve 25 is provided on the transmission shaft 20 to determine the position of the friction plate 23 in the length direction of the transmission shaft 20. In addition, because the friction disks 23 on different transmission shafts 20 need to be arranged in a staggered manner, the positioning shaft sleeves 25 with different lengths are sleeved on the parts of the three transmission shafts 20 closest to the fixture blocks 31. The upper end surfaces of the three transmission shafts 20 are respectively connected with a threaded sleeve 26 for limiting the friction disc 23 to be separated in a threaded mode, after the threaded sleeves 26 are screwed, the threaded sleeves 26 extrude the adjacent friction discs 23, and therefore the friction discs 23 transmit pressure to other friction discs 23 and the positioning shaft sleeve 25 on the same transmission shaft 20 in sequence, and therefore all parts on the whole transmission shaft 20 are fixed.

Referring to fig. 1 and 2, two positioning block rotating grooves 27 for accommodating positioning blocks 28 are formed in the side wall of the transmission shaft 20 opposite to the corresponding friction disc 23, two positioning block grooves 30 are symmetrically arranged on two sides of the transmission shaft 20, a positioning shaft 29 is fixedly connected in each positioning block groove 30 along the radial direction of the transmission shaft 20, and the positioning blocks 28 correspond to the positioning shafts 29 one by one. One end of the positioning fixture block 28 is sleeved on the corresponding positioning shaft 29, the positioning shaft 29 is sleeved with a torsion spring, one end of the torsion spring is fixedly connected with the positioning fixture block 28, the other end of the torsion spring is connected with the side wall of the positioning clamping groove 30, one end of the positioning fixture block 28, which is not connected with the corresponding positioning shaft 29, rotates out of the positioning clamping groove 30 under the elasticity of the torsion spring, and is extruded on the inner wall of the friction disc 23 by combining the self gravity of the positioning fixture block 28. When the positioning latch 28 is rotated into the latch rotating groove 27 by an external force, the friction disc 23 can move up and down freely along the length direction of the transmission shaft 20.

Referring to fig. 1 and 3, in order to collect the broken filaments on the polyester filaments after the false twisting, a storage groove 42 is formed in the end surface of the discharge disc 40, which is far away from the base 10, along the axial direction of the discharge disc 40, and an annular plate 41 for scraping the broken filaments is arranged at the edge of the storage groove 42. In order to prevent the collected polyester yarns from floating, four ventilation openings 43 are formed in the bottom surface of the storage groove 42, the four ventilation openings are arranged at equal intervals along the circumferential direction of the discharge disc 40, a screen 44 is arranged in the four ventilation openings, a wind wheel 47 is coaxially arranged right below the discharge disc 40, the four ventilation openings 43 are opposite to the air inlet end of the wind wheel 47, when the wind wheel 47 is started, wind enters the wind wheel 47 from the ventilation openings 43, and the broken yarns in the storage groove 42 are adsorbed on the screen 44 on the ventilation openings 43.

Referring to fig. 3, two slider clamping grooves 45 are formed in the circumferential side wall of each vent 43, a slider 46 is slidably arranged in each slider clamping groove 45, the end surface of the slider 46 close to the base 10 contacts with the bottom surface of the slider clamping groove 45, and the end surface of the slider 46 is fixedly connected with the circumferential side surface of the screen 44. When the screen 44 is clogged with the fuzz, the screen 44 is removed, and the removed screen 44 is covered on the vent 43 again after the cleaning is finished, so that the screen can be used continuously.

Referring to fig. 1 and 3, the lower portion of the driving shaft 21 is further provided with an arc plate 48 along the circumferential direction, and the end surface of the arc plate 48 is fixedly connected with the top surface of the clamping block 31 and forms an air filtering cavity 50 which is open upwards. The opening of the air filtering cavity 50 is opposite to the air outlet end of the wind wheel 47. The arc plate 48 is provided with an air outlet 49 near the discharge chute 11, and the air outlet 49 faces the discharge chute 11. The air that air outlet 49 blew off blows away the broken filament in the blown-off tank 11 to the broken filament that the reduction dropped from the dacron silk is on the dacron silk is adhesion again in blown-off tank 11 department.

Referring to fig. 4 and 5, three slots 30 are formed in the base 10, the three slots 30 are arranged at equal intervals along the circumferential direction, the side walls of the slots 30 at one end in the length direction are close to each other, and the side walls of the slots 30 at the other end in the length direction are far away from each other. A clamping block 31 is clamped in each clamping groove 30, the three motors are respectively fixedly connected to the three clamping blocks in a one-to-one correspondence mode, the length of each clamping groove 30 is larger than that of the corresponding clamping block 31, a clamping tooth is arranged on one end face of each clamping block 31, and a clamping tooth groove matched with the clamping tooth is formed in the side wall, corresponding to the clamping tooth, of each clamping groove 30. A clamping block sliding plate 32 is arranged on the side wall of the other end of the clamping groove 30, a protruding block sliding groove 35 is formed in the end face, close to the clamping block sliding plate 32, of the clamping block 31, the protruding block sliding plate 32 protrudes out of the end face, close to the clamping block 31, of the clamping block sliding plate to form a protruding block 34, and the protruding block 34 is slidably arranged in the protruding block sliding groove 35. A spring 33 is arranged between the fixture block sliding plate 32 and the fixture block 30, one end of the spring 33 is fixedly connected with the side wall of the fixture block 30, and the other end of the spring 33 is fixedly connected with the end face, far away from the fixture block 31, of the fixture block sliding plate 32.

The implementation principle of the false twisting device for the polyester yarns in the embodiment of the application is as follows: when the false twisting type polyester yarn feeding device is used, the polyester yarn needing false twisting penetrates from the top to the bottom of the triangular center formed by the transmission shaft 20 and sequentially passes through the peripheries and the overlapping areas of all the friction disks 23, flows out of the discharging groove 11 after passing through the overlapping area of the friction disks 23 and the annular plate 41, and is in contact with the annular edge of the annular plate 41 under the friction action of the friction disks 23 and the annular plate 41 when the transmission shaft 20 is driven to rotate by the starting motor, so that the polyester yarn is in false twisting through the friction of the overlapping areas of the friction disks 23, the broken yarn on the polyester is scraped and falls into the storage groove 42, meanwhile, the wind wheel 47 is driven to rotate along with the rotation of the driving shaft 21, the air in the storage groove 42 is sucked out through the four ventilation openings 43, and then blown into the air filtering cavity 50 and blows out towards the discharging groove 11 through the air outlet 49.

When the overlapping area between the friction discs 23 needs to be adjusted, the transmission shaft 20 is manually moved to move the fixture block 31 towards the fixture block sliding plate 32, so that the fixture block 31 is separated from the clamping groove 30. Simultaneously, the spring 33 is pressed, and then the latch block 31 is moved in the length direction of the cam slider 35. After the friction area is adjusted, the external force action on the fixture block 31 is removed, and the spring 33 pushes the fixture block sliding plate 32 to move towards the direction close to the fixture groove, so that the fixture block 31 is clamped in the fixture groove 30.

When the friction disc 23 is installed, the positioning fixture block 28 is pushed to move towards the direction close to the transmission shaft 20, then the friction disc 23 is sleeved on the transmission shaft 20, the friction disc 23 penetrates through the positioning fixture block 28, the positioning fixture block 28 rotates around the positioning shaft 29 towards the direction far away from the transmission shaft 20 under the action of self gravity and a torsion spring, so that the limiting and fixing between the friction disc 23 and the transmission shaft 20 are completed, the end surface of the friction disc 23, closest to the base 10, on the driving shaft 21 is contacted with the lower spindle supporting sleeve, the end surface of the friction disc 23, closest to the base 10, on the driven shaft 22 is contacted with the lower spindle supporting sleeve, when the friction disc 23 close to the base 10 is installed and contacted, the positioning shaft sleeve 25 is sleeved on the transmission shaft 20, the end surface of the positioning shaft sleeve 25, close to the base 10, presses the positioning fixture block 28 to turn towards the direction far away from the transmission shaft 20, the limiting and fixing effect of the friction disc 23 is enhanced, and meanwhile, the end surface, far away from the base 10, of the positioning shaft sleeve 25, provides support for the next installed friction disc 23, the threaded sleeve 26 is then threaded onto the drive shaft 20 after the friction mounting disk 23 is contacted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a false twisting device for dacron silk, includes base (10), three transmission shaft (20) and three friction disk (23), its characterized in that: three clamping grooves (30) are arranged on the base (10), one ends of the three clamping grooves (30) are close to each other, the other ends are far away from each other, clamping blocks (31) are respectively embedded in the three clamping grooves (30), the length of each clamping groove (30) is greater than that of each clamping block (31), a clamping tooth is arranged on the side surface of one end, close to the length direction of each clamping groove (30), of each clamping block (31), a clamping tooth groove is formed in the side wall, corresponding to each clamping tooth, of each clamping groove (30), the three clamping blocks (31) are clamped in the clamping tooth grooves through clamping teeth, the three transmission shafts (20) are respectively in one-to-one corresponding rotary connection with the three clamping blocks (31), the axes of the three transmission shafts (20) are sequentially connected to form a triangle, the three friction discs (23) are respectively fixedly arranged on the three transmission shafts (20), and the friction discs (23) on the three transmission shafts (20) are arranged in a stacking and staggered mode in the vertical direction.

2. A false twisting device for polyester yarn as claimed in claim 1, wherein: every be provided with fixture block slide (32) in draw-in groove (30), fixture block slide (32) slide along draw-in groove (30) width direction, fixture block slide (32) are in one side that fixture block (31) deviate from the latch, be provided with spring (33) between draw-in groove (30) lateral wall and fixture block slide (32), the one end of spring (33) and the lateral wall fixed connection of the relative draw-in groove of draw-in groove (30), the other end and the fixture block slide (32) of spring (33) are towards the terminal surface fixed connection of draw-in groove.

3. A false twisting device for polyester yarn as claimed in claim 1, wherein: still include location fixture block (28), location axle sleeve (25) and location axle (29), set up on transmission shaft (20) the lateral wall and supply location fixture block (28) pivoted fixture block turn trough (27), location axle sleeve (25) cover is established on transmission shaft (20) and one end contacts with fixture block (31), the friction disk (23) is supported to the other end of location axle sleeve (25), location axle (29) fixed connection is on the lateral wall of fixture block turn trough (27), location fixture block (28) rotate and set up on location axle (29), location fixture block (28) are around location axle (29) to the outer rotatory inner wall of fixture block turn trough (27) and extrusion friction disk (23) under the action of gravity.

4. A false twisting device for polyester yarn as claimed in claim 3, wherein: the positioning shaft (29) is sleeved with a torsion spring which drives the positioning clamping block (28) to rotate towards the outside of the clamping block rotating groove (27), one end of the torsion spring is fixedly connected to the side wall of the clamping block rotating groove (27), and the other end of the torsion spring is fixedly connected with the end face of the positioning clamping block (28).

5. A false twisting device for polyester yarn as claimed in claim 1, wherein: the polyester yarn scraping device is characterized in that a discharge disc (40) is coaxially arranged on the transmission shaft (20), the discharge disc (40) is located below a friction disc (23) closest to the base (10), a storage groove (42) is formed in the end face, far away from the base (10), of the discharge disc (40), the storage groove (42) is located right below a polyester yarn moving track, a circular ring plate (41) used for scraping the surface of the polyester yarn is arranged on the edge of the storage groove (42), and the circular ring plate (41) and the friction disc (23) closest to the base (10) on the transmission shaft (20) rub with each other.

6. A false twisting device for polyester yarn as claimed in claim 5, wherein: vent (43) have been seted up to the bottom surface of holding tank (42), be provided with screen cloth (44) in vent (43), still be equipped with wind wheel (47) on transmission shaft (20), wind wheel (47) and play material tray (40) coaxial setting just are located play material tray (40) under, the air inlet end of wind wheel (47) is relative with vent (43).

7. A false twisting device for polyester yarn as claimed in claim 6, wherein: the utility model discloses a wind wheel wind filter, including base (10), fixture block (31), wind filtering cavity (50), wind outlet end relative of wind wheel (47), set up blown down tank (11) that supply the dacron silk to pass on the lateral wall of base (10), air outlet (49) have been seted up to arc board (48) along transmission shaft (20) circumferencial direction on keeping away from base (10) terminal surface in fixture block (31), arc board (48) and fixture block (31) form to make progress open wind filtering cavity (50), the uncovered of wind filtering cavity (50) is relative with the air-out end of wind wheel (47), air outlet (49) are towards blown down tank (11).

8. A false twisting device for polyester yarn as claimed in claim 6, wherein: the screen (44) is detachably attached to the bottom of the storing bath (42).