CN220012927U - One-step forming device for twisting yarn loose tube - Google Patents

Abstract

The utility model discloses a one-step forming device for a yarn twisting and loosening drum, which comprises a machine body, wherein at least one group of twisting mechanisms are arranged on the machine body, each twisting mechanism comprises a yarn twisting assembly connected with yarns, a driven member, a driving member and a transmission assembly connected with the driving member and the driven member and capable of transmitting the power of the driving member to the driven member; the yarn extends from the yarn twisting component to the driven piece and can extend to the driving piece and the loosening mechanism under the traction of the driven piece; the transmission ratio of the transmission assembly is adjustable, and the rotation speed difference between the driving piece and the driven piece can be changed by adjusting the transmission ratio of the transmission assembly so as to change the density of the finished yarn. The utility model reduces one procedure in the yarn process, improves the productivity of equipment, reduces the cost and improves the utilization rate of the equipment.

Description

One-step forming device for twisting yarn loose tube

Technical Field

The utility model relates to the technical field of textile machinery, in particular to a one-step forming device for a twisting yarn loosening drum.

Background

During textile processing, the existing two-for-one twister comprises the process flows of raw yarn, doubling, two-for-one twisting, loose type winder, dyeing, cone type twisting and winding, and weaving, wherein the purpose of the loose type winder is to wind the cone type twisting and winding drum into fluffy type drum yarns with density, weight, forming and the like meeting dyeing requirements through the loose type winder, and the quality of the fluffy type drum yarns has a key effect on the dyeing quality of the drum yarns.

For example, chinese patent publication No. CN207862517U discloses a two-for-one twisting machine, in which yarn is produced by the two-for-one twisting machine, yarn forming, density and twist required by the loose winder are achieved, dyeing quality requirements can be met after dyeing, the two-for-one twisting machine can also realize the function of the loose winder, and a spinning process is saved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a one-step forming device for a twisting loose tube, which adopts a driving piece to be linked with a driven piece to realize direct yarn dyeing after different yarn loose tubes, reduces one procedure in a yarn process, is simple and convenient to operate, and improves the utilization rate of equipment.

The utility model is realized by the following technical scheme:

the one-step forming device for the yarn twisting and loosening drum comprises a machine body, wherein at least one group of twisting mechanisms are arranged on the machine body, each twisting mechanism comprises a yarn twisting assembly, a driven piece, a driving piece, a loosening drum mechanism, a transmission assembly and a first motor, wherein the yarn twisting assembly is connected with yarns, the transmission assembly is connected with the driving piece and the driven piece and can transmit power of the driving piece to the driven piece, and the first motor drives the driving piece to rotate; the yarn extends from the yarn twisting component to the driven piece and can extend to the driving piece and the loosening mechanism under the traction of the driven piece; the transmission ratio of the transmission assembly is adjustable, and the rotation speed difference between the driving piece and the driven piece can be changed by adjusting the transmission ratio of the transmission assembly so as to change the density of the finished yarn.

Further, the transmission assembly is provided with a first transmission part, a second transmission part and a chain, the first transmission part is connected with the driving part and can drive the driving part to rotate, the second transmission part is connected with the driven part and can drive the driven part to rotate, the first transmission part is connected with the second transmission part through the chain and can drive the second transmission part to rotate, and the supply speed of the driven part to drive the yarns is different through adjusting the transmission ratio of the first transmission part and the second transmission part, so that the density of the yarns reaches a standard range, and the yarns are directly dyed.

Further, the first transmission part comprises a driving shaft arranged on the machine body and a first sprocket connected with one end of the driving shaft, and the other end of the driving shaft is fixedly connected with the driving piece.

Further, the second transmission part comprises a driven shaft arranged on the machine body and a second sprocket connected with one end of the driven shaft, and the other end of the driven shaft is fixedly connected with the driven piece.

Further, the driving piece is a black rubber wheel; the passive element is an overfeeding wheel.

Further, the transmission assembly further comprises a connecting piece, and the connecting piece is arranged between the first chain wheel and the second chain wheel and can adjust the tightness of the chain.

Further, the connection is selected from a tensioner or an elastic sheet.

Further, the loosening mechanism further comprises a holding arm, a winding tube and a fixing piece connected with the holding arm, the holding arm is clamped at two ends of the winding tube, the winding tube is arranged above the driving piece, the winding tube and the driving piece are adjacent and are arranged in parallel, and one end, away from the holding arm, of the fixing piece is fixedly connected with the machine body.

Further, the yarn twisting component comprises a cone drum, a twisting machine, an unwinding device and a yarn guiding hook, wherein the unwinding device and the yarn guiding hook are connected with the cone drum, and the cone drum is arranged on the twisting machine.

Further, the twisting mechanism further comprises a second motor and a PLC (programmable logic controller) which are electrically connected with each other, the second motor is used for driving the conical cylinder to rotate, and the PLC is also electrically connected with the first motor.

Compared with the prior art, the utility model has the advantages that:

1. the second transmission part is detachably connected with the driven shaft, and the second transmission part with different diameters can be selected according to different yarns, so that the yarn density after loosening can reach the standard yarn dyeing range, and the yarn can be directly dyed.

2. According to the utility model, the first transmission part and the second transmission part are linked through the chain so as to connect the driving part and the driven part, so that the yarn can be directly dyed when the yarn is dyed in a spinning process, a secondary loosening cylinder is not needed, the production capacity of equipment is improved while one process is reduced, the unit cost of a final product is reduced, and the utilization rate of equipment is low.

3. On one hand, the time and the cost are saved by one-step forming of the twisting and loosening drum, the time is calculated according to 167dtex/48f loosening drum time of yarn specifications, 150 minutes is saved per kilogram of yarn, 800 minutes can be saved per cylinder by 500kg of yarn per loosening drum, 2300 yuan per cylinder can be saved, and 4200 yuan per day can be saved; on the other hand, the yarn quality is improved; the defective rate of the twisting and the loosening tube is 5.2 per mill when the twisting and the loosening tube are processed separately, the defective rate of the one-step forming process of the twisting and the loosening tube is 4.3 per mill, hairiness is caused by poor yarn in the follow-up weaving process, the poor thread knot is also reduced, and the defective rate is reduced from 7.3 per mill to 5.4 per mill.

Drawings

FIG. 1 is a schematic view of a one-step forming device for a yarn twisting and raveling cylinder according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of the connection of the transmission assembly of FIG. 1 with the connection member being a tensioner;

FIG. 3 is a schematic illustration of a connection of the transmission assembly of FIG. 1 in which the connection member is an elastic piece;

in the figure: 10. a body; 100. a twisting mechanism; 101. a fixing plate; 1. a loosening mechanism; 11. a grip arm; 12. winding; 120. an end portion; 13. a fixing member; 2. a driving member; 3. a passive member; 4. a transmission assembly; 40. a first transmission part; 400. a first sprocket; 401. a driving shaft; 41. a second transmission part; 410. a second sprocket; 411. a driven shaft; 412. a third sprocket; 42. a tensioning wheel; 43. an elastic sheet; 44. a chain; 5. a yarn twisting assembly; 50. a conical cylinder; 51. a twisting machine; 52. an unwinder; 53. a yarn guiding hook; 6. a yarn; 7. a first motor; 8. a second motor; 9. and a PLC controller.

Detailed Description

The technical scheme of the utility model is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. In the description of the present utility model, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. refer to the azimuth or positional relationship based on the azimuth or positional relationship shown in the drawings. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1, a one-step twisting and loosening device according to the embodiment of the utility model comprises a machine body 10, wherein the machine body 10 is provided with at least one group of twisting mechanisms 100, each twisting mechanism 100 comprises a loosening mechanism 1, a driving part 2, a driven part 3, a transmission assembly 4, a twisting assembly 5, yarns 6, a first motor 7, a second motor 8 and a PLC controller 9, the first motor 7 drives the driving part 2 to rotate, the second motor 8 drives the twisting assembly 5 to rotate, the first motor 7 and the second motor 8 are electrically connected with the PLC controller 9, the yarns 6 are self-twisted to the twisting assembly 5, extend to the driven part 3 and can extend to the driving part 2 to wind on the loosening mechanism 1 under the traction of the driven part 3, and the speed difference between the driving part 2 and the driven part 3 can be changed by adjusting the transmission ratio of the transmission assembly 4 so as to change the density of finished yarns.

The machine body 10 comprises a shell 101, a first fixing plate 102, a second fixing plate 103 and a third fixing plate 104, wherein the second fixing plate 103 is fixedly connected with the first fixing plate 102, and the first fixing plate 102 and the third fixing plate 104 are fixedly arranged on the shell 101.

The loosening mechanism 1 comprises a holding arm 11, a winding drum 12 and a fixing piece 13 movably connected with the holding arm 11, wherein one end of the fixing piece 13, far away from the holding arm 11, is fixedly connected with a first fixing plate 102 and a shell 101 respectively, the holding arm 11 is clamped at two end parts 110 of the winding drum 12, the winding drum 12 is arranged above the driving piece 2 and is adjacent to the driving piece 2 and is mutually parallel, and when the winding drum 12 is clamped by the holding arm 11 to be pressed down to be connected with the driving piece 2, the winding drum 12 rotates to drive the driving piece 2 to rotate, so that yarn 6 twisting and loosening of the yarn are realized.

The driving part 2 is a groove drum, and a black rubber wheel is selected, so that the functions of yarn guiding, winding, protruding prevention and stacking prevention can be performed again after yarn twisting can be completed, and finally the yarn is wound into a proper shape, so that the yarn winding device is convenient to carry. The driven member 3 is an overfeed wheel, so that the twisted yarn 6 is pulled to the driving member 2 and then wound into a loose tube mechanism.

The transmission assembly 4 comprises a first transmission part 40, a second transmission part 41 and a chain 44, wherein the first transmission part 40 is fixedly connected with the driving part 2 and can drive the driving part 2 to rotate, the second transmission part 41 is fixedly connected with the driven part 3 and can drive the driven part 3 to rotate, the first transmission part 40 is connected with the second transmission part 41 through the chain 44 and can drive the second transmission part 41 to rotate, and the feeding speed of the driven part 3 for driving the yarn 6 is different by adjusting the transmission ratio of the first transmission part 40 and the second transmission part 41, so that the yarn density reaches the standard range, and the yarn is directly dyed.

The first transmission part 40 includes a driving shaft 401 and a first sprocket 400 connected to one end of the driving shaft 401, and the other end of the driving shaft 401 penetrates the second fixing plate 103 and is fixedly connected to the driving member 2.

The second transmission part 41 includes a driven shaft 411 and a second sprocket 410 detachably connected to one end of the driven shaft 411, and the other end of the driven shaft 411 penetrates through the second fixing plate 103 and is fixedly connected with the driven member 3. The rotation speed difference of the driving part 2 and the driven part 3 is changed by adjusting the transmission ratio of the first chain wheel 400 to the second chain wheel 410, so that the supply speed of the yarn 6 is changed to realize that the yarn density reaches the standard range after yarn twisting and yarn loosening so as to directly dye the yarn, the secondary yarn loosening process is omitted, the equipment utilization rate is improved, and the cost is reduced.

Referring to fig. 2, in the present utility model, the second sprocket 410 may be replaced by a third sprocket 412, and the angular speed between the twisted yarn and the loose tube is changed by changing the transmission ratio of the first sprocket 400 to the third sprocket 412, so that the yarn density after the loose tube reaches the standard yarn dyeing range, thereby directly dyeing the yarn, omitting the process of re-loosening the tube, improving the utilization rate of the device and reducing the cost.

Referring to fig. 2 and 3, the second sprocket 410 of the present utility model can be repeatedly disassembled to replace the second sprocket 410 with different diameters or connect the third sprocket 412 with different diameters in series and fix the third sprocket 412 at one end of the driven shaft 411, and the PLC controller 9 can control the movement of the chain 44 by controlling a swing arm to move the chain 44 on the third sprocket 412 with different sizes, so as to automatically change the transmission ratio of the first sprocket 400 to the third sprocket 412, thereby enabling the yarn density after the yarn loosening to reach the standard yarn dyeing range and directly dyeing yarn. The hardness of the yarn after winding is formed, when the hardness is too high, a small chain wheel is needed to be selected to reduce the hardness, so that the yarn is prevented from being dyed; when the hardness is too small, a small chain wheel which is slightly larger than that used on a machine table is needed to be selected to increase the hardness, so that the yarn collapse during yarn dyeing is prevented.

The transmission assembly 4 further comprises a connecting piece, wherein the connecting piece is arranged between the first sprocket 400 and the second sprocket 410 and is fixed on the second fixing plate 103, and the tightness of the chain 44 can be adjusted by the connecting piece, so that the driving piece 2 and the driven piece 3 can normally operate.

The connection of the present utility model may be selected from the tension pulley 42 or the elastic sheet 43.

The yarn twisting component 5 comprises a cone 50, a twisting machine 51, an unwinding device 52 and a yarn guide hook 53, wherein the unwinding device 52 and the yarn guide hook 53 are fixedly connected with the cone 50, and the cone 50 is fixedly arranged on the twisting machine 51, so that yarn twisting can be realized.

The first motor 7 is fixed on the third fixing plate 104 and used for driving the driving shaft 401 to rotate, and the second motor 8 is arranged in the twisting machine 51 and used for driving the cone 50 to rotate, so that the complete process of twisting and loosening different yarns can be realized.

In use, first, the transmission ratio of the first sprocket 400 to the second sprocket 410 is appropriately adjusted according to yarn characteristics; the cone to be twisted is then placed in a fixed spindle pot which is held by magnetic force on the hollow shaft of a spindle disk (not shown); the first motor 7 and the second motor 8 are turned on, the second motor 8 drives the cone 50 to rotate, the yarn 6 is unwound from the cone 50 and enters the central hole of the rotating hollow spindle through the unwinder 52, enters the spindle disc through a 90-degree corner, passes through the yarn storage area from the spindle outlet, reaches the yarn guiding hook and forms a balloon, passes through the yarn guiding hook, passes through the driven piece 3 (i.e. the overfeeding wheel), and then passes through the driving piece 2 (i.e. the grooved drum) to conduct yarn guiding movement, so that the twisted yarn is cross-wound on the bobbin, and the yarn hardness reaches the standard range and can be directly dyed.

The following analysis is now made of the different gear ratios of the first sprocket 400 to the second sprocket 410 as follows:

example 1

As shown in fig. 1, the embodiment 1 adopts a tensioning wheel 42, the tensioning wheel 42 is arranged between a first sprocket 400 and a second sprocket 410 and fixed on the machine body 10, and the second sprocket 410 with different diameters is manually replaced to change the transmission ratio of the first sprocket 400 and the second sprocket 410 to adjust the angular speed between the twisting yarn and the loosening tube, so as to realize the direct dyeing yarn and omit the loosening tube process. Currently, the sprockets used are classified into 14-tooth sprocket, 16-tooth sprocket, 19-tooth sprocket, etc., and are verified, the data are shown in tables 1 and 2 below, wherein the driving wheel is a first sprocket 400, and the driven wheel is a second sprocket 410.

Table 1 sprocket size part verification data vs

Tooth number of driving wheel	Number of teeth of driven wheel	Speed ratio	Conclusion(s)
				30	20	0.67	OK
30	19	0.63	OK
				30	16	0.53	OK
30	14	0.47	OK
				30	10	0.33	NG

Table 2 the verification data section exemplifies:

conclusion: and combining the rebound state of the chain wheel and the molding state of the yarn barrel, and finally selecting the small chain wheel with 14 teeth.

Example 2

As shown in fig. 2, in embodiment 2, an elastic sheet 43 is used as a connecting member, and third sprockets 412 with different diameters are selected and connected in series and are fixed at one end of a driven shaft 411, the movement of a chain 44 is controlled by a PLC controller to adjust the diameter change of the third sprockets 412, before the transmission ratio of the first sprocket 400 to the third sprockets 412 is changed, the chain 44 is meshed with the first sprocket 400 and the third sprockets 412, after the transmission ratio is changed, the chain 44 is changed from the meshed state to the separated state with the original third sprockets 412, and then meshed with the third sprockets 412 with the other diameter, and then the transmission ratio of the first sprocket 400 to the third sprockets 412 is changed, so that the angular speed between the twisted yarn and the loose yarn is changed, and the yarn density after the loose yarn is within the standard dyeing range, thereby achieving the purpose of directly dyeing yarn, omitting the loose yarn process, reducing the cost and improving the equipment utilization rate.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The one-time twisting and loosening device comprises a machine body (10), and is characterized in that at least one group of twisting mechanisms (100) are arranged on the machine body (10), and each twisting mechanism (100) comprises a twisting component (5), a driven piece (3), a driving piece (2), a loosening mechanism (1), a transmission component (4) and a first motor (7) for driving the transmission component (4) to rotate, wherein the twisting component (5) is connected with yarns (6); the driving piece (2) and the driven piece (3) are connected with the transmission assembly (4), and the yarn (6) extends from the yarn twisting assembly (5) to the driven piece (3) and can extend to the driving piece (2) and the loosening mechanism (1) under the traction of the driven piece (3); the rotation speed difference between the driving part (2) and the driven part (3) is changed by adjusting the transmission ratio of the transmission assembly (4), so that yarns (6) with different feeding speeds are directly dyed.

2. The one-time forming device for the twisting and loosening drum according to claim 1, wherein the transmission assembly (4) is provided with a first transmission part (40), a second transmission part (41) and a chain (44), the first transmission part (40) is connected with the driving piece (2) and can drive the driving piece (2) to rotate, the second transmission part (41) is connected with the driven piece (3) and can drive the driven piece (3) to rotate, the first transmission part (40) is connected with the second transmission part (41) through the chain (44) and can drive the second transmission part (41) to rotate, and the rotation speed difference of the driving piece (2) and the driven piece (3) is changed by adjusting the transmission ratio of the first transmission part (40) and the second transmission part (41), so that the feeding speed of the yarn (6) is driven to be different, and the yarn is dyed directly.

3. The one-time twisting and loosening device according to claim 2, wherein the first transmission part (40) comprises a driving shaft (401) arranged on the machine body (10) and a first chain wheel (400) connected with one end of the driving shaft (401), and the other end of the driving shaft (401) is fixedly connected with the driving piece (2).

4. A twisting and loosening one-time forming device according to claim 3, wherein the second transmission part (41) comprises a driven shaft (411) arranged on the machine body (10) and a second sprocket (410) connected to one end of the driven shaft (411), and the other end of the driven shaft (411) is fixedly connected to the driven member (3).

5. The one-time twisting and loosening device according to claim 4, wherein the driving member (2) is a black rubber wheel; the passive piece (3) is an overfeeding wheel.

6. The yarn twisting and loosening one-time forming device according to claim 5, wherein the transmission assembly (4) further comprises a connecting piece arranged between the first sprocket (400) and the second sprocket (410) for adjusting the tightness of the chain (44).

7. The twisting and slackening machine according to claim 6, characterized in that said connection is selected from the group consisting of a tensioning wheel (42) and an elastic sheet (43).

8. The yarn twisting and releasing one-time molding device according to claim 1, wherein the releasing mechanism (1) further comprises a holding arm (11), a winding drum (12) and a fixing piece (13) connected with the holding arm (11), the holding arm (11) is clamped at two end parts (120) of the winding drum (12), the winding drum (12) is arranged above the driving piece (2) and is adjacent to the driving piece (2) and is arranged in parallel with each other, and one end of the fixing piece (13) away from the holding arm (11) is fixedly connected with the machine body (10).

9. The yarn twisting and loosening one-time forming device according to claim 1, wherein the yarn twisting assembly (5) comprises a cone drum (50), a twisting machine (51), an unwinder (52) and a yarn guiding hook (53), wherein the unwinder (52) and the yarn guiding hook (53) are connected with the cone drum (50), and the cone drum (50) is arranged on the twisting machine (51).

10. The yarn twisting and loosening one-time forming device according to claim 9, wherein the twisting mechanism (100) further comprises a second motor (8) and a PLC controller (9) which are electrically connected with each other, the second motor (8) is used for driving the cone (50) to rotate, and the PLC controller (9) is also electrically connected with the first motor (7).