Multi-color feeding device for sprayed velvet yarns

Abstract

The invention relates to the technical field of spinning equipment, in particular to a multicolor feeding device for sprayed velvet yarn, and aims to solve the problem that broken ends are easy to generate when multiple fiber rods are fed. The multicolor feeding device comprises a tool plate, a sleeve assembly is arranged on the tool plate, and a plurality of guide rings are mounted on the sleeve assembly; a driving assembly is installed on the tool plate and drives the sleeve assembly to drive the multiple guide rings to rotate independently. An adjusting assembly is arranged on the tool plate, an elastic friction ring is rotationally connected to the adjusting assembly, the adjusting assembly drives the elastic friction ring to be close to or away from the guide ring, and the elastic friction ring can make the fiber rod abut against the peripheral wall of the outer side of the guide ring; two elastic feeding rollers are arranged on one side of the guide ring and rotationally connected to the carding device. A feeding motor is installed on the carding device, and the elastic feeding rollers are in transmission connection with the feeding motor so as to drive the two elastic feeding rollers to rotate oppositely to feed fiber strips into the carding device. The feeding device has the effect of improving the feeding accuracy of the multiple fiber rods.

Description

Technical Field

[0001] This application relates to the technical field of spinning equipment, in particular to a multi-color feeding device for fluff yarn. Background Art

[0002] Fluff yarn is a common product in the textile industry and is produced through a blending process. In the prior art, multiple fiber strips are fed into a carding device. The carding roller rotating at a high speed in the carding device loosens, combs, and mixes the cotton strips, turning them into single fibers that are separated and arranged in parallel. Subsequently, under the action of air flow, the single fibers enter a rotor spinning device. Under the centrifugal force of the high-speed rotating spinning cup, the fibers are further superimposed and mixed in the spinning cup groove, and are led out by the mother yarn and twisted by a twist stopper to form fluff yarn. The feeding of fiber strips usually adopts the combination of a feed roller and a feed plate. When multiple fiber strips need to be fed, multiple feed rollers and multiple feed plates are arranged side by side, and the start-stop and conveying speed of the fiber strips are regulated by controlling the rotation of each feed roller, and multiple fiber strips are carded and mixed according to the ratio required by the product.

[0003] The feed roller is in contact with the feed plate and simultaneously presses against the fiber strip. During the rotation of the feed roller, the static friction between the feed roller and the fiber strip realizes the transmission of the fiber strip. During multi-color carding, since fiber strips of different colors need to enter the carding device at different rates, and the carding device can only card the fed fiber strips at one speed, the fiber strips that do not match the rate of the carding device will continuously be pulled by the carding device. However, since both the feed roller and the feed plate are in contact with the fiber strip, the continuous pulling of the fiber strip by the carding device causes it to be finally broken at the clamping position of the feed roller and the feed plate. Moreover, the existing drives for controlling the rotation of the feed roller are relatively independent, and the volume of the side-by-side arranged drive motors is large, resulting in a relatively large distance between the fiber strips at the edge and the carding device. After the fiber strip is broken, the broken end is easily separated from the carding device, and the operator needs to re-arrange the fiber strip and then feed it into the carding device, interrupting the continuity of production and reducing production efficiency. The product produced without this fiber strip has fiber breaks and uneven yarn evenness, and cannot meet the requirements for product quality, so it needs to be improved. Summary of the Invention

[0004] In order to improve the accuracy of multi-color fiber feeding, this application provides a multi-color feeding device for fluff yarn.

[0005] The multi-color feeding device for fluff yarn provided by this application adopts the following technical solutions: A multi-color feeding device for sprayed velvet yarn comprises a tooling plate, on which a plurality of guide rings are rotatably arranged; a sleeve assembly is arranged on the tooling plate, on which the guide rings are mounted; a driving assembly is mounted on the tooling plate, and the driving assembly drives the sleeve assembly to drive the plurality of guide rings to rotate independently; an adjusting assembly is arranged on the tooling plate, on which an elastic friction ring is rotatably connected, and the adjusting assembly drives the elastic friction ring to approach or move away from the guide ring, and the elastic friction ring can press the fiber strip against the outer peripheral wall of the guide ring; two elastic feeding rollers are arranged on one side of the guide ring, and the two elastic feeding rollers are rotatably connected to a combing device; a feeding motor is mounted on the combing device, and the elastic feeding roller is transmission-connected to the feeding motor to drive the two elastic feeding rollers to rotate towards each other to feed the fiber strip into the combing device.

[0006] By adopting the above technical solution, the operator controls the adjustment component to drive the elastic friction ring to push the fiber strip against the guide ring, and passes the end of the fiber strip through the two elastic feeding rollers. Start the drive component, the feeding motor and the combing device, and the drive component drives each guide ring to rotate independently through the sleeve component, and the guide ring drives the elastic friction ring to rotate in the opposite direction, giving each fiber strip an independent conveying speed. When multiple fiber strips are fed at a conveying speed matching the combing device, the two elastic feeding rollers rotate in the opposite direction and clamp the fiber strips into the combing device through static friction. When the conveying speed of one or more fiber strips changes, when the fiber strips with a lower conveying speed than the combing device are fed, under the elastic clamping of the elastic feeding roller and the elastic clamping of the elastic friction ring and the guide ring, the fiber strips will only be torn apart at the combing roller of the combing device, and it is difficult to be torn apart at the clamping point of the two elastic feeding rollers or the clamping point of the guide ring and the elastic friction ring. When one or more fiber strips stop feeding, the fiber strips will still only be torn apart at the combing rollers of the combing device; even if the fiber strips are fed again, they can be quickly captured by the combing device. This reduces the situation where the fiber strips that are torn apart at the clamping point of the two elastic feeding rollers or the clamping point of the guide ring and the elastic friction ring cannot accurately enter the combing device, resulting in combing pauses, and improves feeding stability. It realizes speed regulation and start-stop control of multiple fiber strips, and improves the accuracy of multi-color feeding.

[0007] Optionally, four guide rings are provided on the tooling plate, and the sleeve assembly includes a first sleeve, a second sleeve, a third sleeve and a fourth sleeve, and is nested in sequence from the inside to the outside; the first sleeve, the second sleeve, the third sleeve and the fourth sleeve are connected to the driving assembly at one end close to the tooling plate, and the first sleeve, the second sleeve, the third sleeve and the fourth sleeve are connected to a guide ring at one end away from the tooling plate, and the driving assembly drives the first sleeve, the second sleeve, the third sleeve and the fourth sleeve to rotate independently.

[0008] Optionally, the driving assembly includes a first gear, a second gear, a third gear, and a fourth gear, which are sequentially arranged along the direction of the tooling plate towards the guide ring; a guide rod is installed on the tooling plate, and the first gear, the second gear, the third gear, and the fourth gear are all rotatably connected to the guide rod and are respectively controlled by a driving motor, and the driving motor is installed on the tooling plate; the first gear rotates synchronously with the first sleeve, the second gear rotates synchronously with the second sleeve, the third gear rotates synchronously with the third sleeve, and the fourth gear rotates synchronously with the fourth sleeve.

[0009] By adopting the above technical solution, when starting the four driving motors, the first driving wheel drives the first gear to rotate, and drives the guide ring farthest from the mounting plate to rotate synchronously through the first sleeve; the fourth driving wheel drives the fourth gear to rotate, and drives the guide ring closest to the mounting plate to rotate synchronously through the fourth sleeve; the second driving wheel and the third driving wheel drive the second gear and the third gear to rotate respectively, and drive the two middle guide rings to rotate synchronously through the second sleeve and the third sleeve respectively. By controlling the output of the four driving motors, the start-stop and rotation speed of the four guide rings are adjusted, so as to realize the control of the start-stop of the fiber sliver and the adjustment of the conveying speed, and improve the accuracy of multi-color feeding. Moreover, the sleeve assembly and the driving assembly can set the number of sleeves, gears, and driving motors according to the number of fiber slivers to be mixed, and truly realize the feeding of more fiber slivers in terms of structure.

[0010] Optionally, the elastic feeding roller includes an inner roller and an outer roller. A vertical plate is arranged below the guide ring, and the inner roller is rotatably installed on the vertical plate; a relief groove is formed on the outer peripheral wall of the inner roller, and the outer roller is sleeved on the outer peripheral wall of the inner roller away from the relief groove, and there is a gap between the outer roller and the bottom of the relief groove; the outer roller is made of a flexible material; the fiber sliver passes through the gap between the two outer rollers and is simultaneously in contact with the outer peripheral walls of the two outer rollers; the two inner rollers are driven by a feeding motor to drive the two outer rollers to rotate towards each other.

[0011] By adopting the above technical solution, the outer roller is tensioned on the inner roller, and the outer roller is suspended. The contact between the fiber sliver and the outer roller is a soft contact. The feeding motor drives the two inner rollers to rotate towards each other through pulley transmission; the two inner rollers drive the two outer rollers to rotate towards each other through friction. The soft contact between the outer roller and the fiber sliver feeds multiple fiber slivers with different conveying speeds into the carding device, reducing the possibility that the fiber sliver is broken by the carding device at the clamping position of the two outer rollers; it also reduces the situation that the broken fiber sliver cannot accurately enter the carding device, resulting in the suspension of carding, and improves the stability of feeding.

[0012] Optionally, a collecting guide plate is installed on the vertical plate, and the collecting guide plate is inclined to aggregate the fiber slivers on the multiple guide rings to the two elastic feeding rollers.

[0013] By adopting the above technical solution, the bottoms of the two collecting guide plates are close to each other in the length direction of the outer roller, and multiple fiber strips transported side by side along the length direction of the outer roller are aggregated onto the two outer rollers, thereby reducing the possibility of the fiber strips being separated from the outer roller in the length direction of the outer roller due to squeezing by the outer roller, or being rolled into the feeding motor and its transmission components.

[0014] Optionally, the adjustment assembly includes a work frame, a rotating rod and a handle; a mounting plate is installed on one side of the tooling plate, the rotating rod is rotatably connected to the mounting plate, and the length direction of the rotating rod is parallel to the axial direction of the guide ring; the work frame is installed on the rotating rod, and a plurality of the elastic friction rings are rotatably connected to the work frame in parallel, and the work frame drives the elastic friction ring to rotate with the rotating rod as the axis to approach and move away from the guide ring; the handle is installed on the work frame.

[0015] By adopting the above technical solution, the operator holds the handle to rotate the work frame with the rotating rod as the axis in the direction away from the guide ring, driving the elastic friction ring away from the guide ring; after finishing the arrangement of the fiber strips, the operator holds the handle to drive the work frame to rotate in the opposite direction so that the end of the upper cross bar of the work frame close to the mounting plate is placed on the step of the mounting plate, at which time the outer peripheral wall of the elastic friction ring contacts the fiber strip against the outer peripheral wall of the guide ring, and the fiber strip is installed. It is convenient to install the fiber strips and improves the installation efficiency.

[0016] Optionally, a plurality of guide nozzles are provided on the tooling plate, a bell mouth is provided through the guide nozzle, and an outlet of the bell mouth is provided toward the guide ring.

[0017] Optionally, the guide nozzle is tilted at one end close to the guide ring and is parallel to a tangent line of the outer peripheral wall of the guide ring at that location.

[0018] Optionally, the guide ring is a concave wheel, and the outlet of the bell mouth is close to the recessed part of the outer peripheral wall of the guide ring.

[0019] Optionally, the elastic friction ring is a cam, and there is a gap between the outer circumferential wall of the elastic friction ring and the outer circumferential wall of the guide ring.

[0020] By adopting the above technical solution, the operator allows the end of the fiber strip to enter the guide nozzle from the end with a larger bell mouth, and leave the guide nozzle from the end with a smaller bell mouth close to the guide ring, so that the auxiliary fiber strip is clamped by the corresponding elastic friction ring and guide ring. The fiber strip is laid on the inner wall of the concave fiber strip channel of the guide ring, and after bypassing the side of the guide ring close to the elastic friction ring, the convex outer peripheral wall of the elastic friction ring is controlled to contact the outer peripheral wall of the guide ring, and the fiber strip is clamped in the fiber strip channel. The situation where the fiber strip crosses over the adjacent guide ring due to the squeezing of the elastic friction ring and the guide ring, or is rolled into the gap between the guide rings and causes the feeding to be suspended, is reduced, and the accuracy of conveying the fiber strip is improved.

[0021] In summary, the present application includes at least one of the following beneficial technical effects: 1. The operator controls the adjusting component to drive the elastic friction ring to press the fiber strip against the guide ring, and passes the end of the fiber strip through the two elastic feeding rollers. Start the driving component, the feeding motor and the carding device. The driving component drives each guide ring to rotate independently through the sleeve component. The guide ring drives the elastic friction rings to rotate towards each other, giving each fiber strip an independent conveying speed. When multiple fiber strips are fed at a conveying speed matching the carding device, the two elastic feeding rollers rotate towards each other and clamp the fiber strips through static friction and feed them into the carding device. When the conveying speed of a certain fiber strip or multiple fiber strips changes, when the fiber strip with a conveying speed lower than that of the carding device is fed, under the elastic clamping of the elastic feeding rollers and the elastic clamping of the elastic friction ring and the guide ring, the fiber strip will only be torn at the carding roller of the carding device and is difficult to be torn at the clamping position of the two elastic feeding rollers or the clamping position of the guide ring and the elastic friction ring. When a certain fiber strip or multiple fiber strips stop feeding, the fiber strip will still only be torn at the carding roller of the carding device; even when the fiber strip is fed again, it can be quickly captured by the carding device. It reduces the situation that the fiber strip torn at the clamping position of the two elastic feeding rollers or the clamping position of the guide ring and the elastic friction ring cannot accurately enter the carding device, resulting in the suspension of carding, and improves the feeding stability. It realizes the speed regulation and start-stop control of multiple fiber strips, and improves the accuracy of multi-color feeding; 2. Start the four driving motors. The first driving wheel drives the first gear to rotate, and drives the guide ring farthest from the mounting plate to rotate synchronously through the first sleeve; the fourth driving wheel drives the fourth gear to rotate, and drives the guide ring closest to the mounting plate to rotate synchronously through the fourth sleeve; the second driving wheel and the third driving wheel drive the second gear and the third gear to rotate respectively, and drive the two guide rings in the middle to rotate synchronously through the second sleeve and the third sleeve respectively. By controlling the output of the four driving motors, the start-stop and rotation speed of the four guide rings are adjusted, realizing the control of the start-stop of the fiber strip and the adjustment of the conveying speed, and improving the accuracy of multi-color feeding. And the sleeve component and the driving component can set the number of sleeves, gears and driving motors according to the number of fiber strips to be mixed, and truly realize the feeding of a larger number of fiber strips in terms of structure; 3. The operator inserts the end of the fiber strip into the nozzle from the end with a larger bell mouth, and exits the nozzle from the end with a smaller bell mouth and closer to the guide ring, and the auxiliary fiber strip is clamped by the corresponding elastic friction ring and guide ring. The fiber strip is laid on the inner wall of the concave fiber strip channel of the guide ring, bypasses the side of the guide ring close to the elastic friction ring, and then controls the convex outer peripheral wall of the elastic friction ring to contact the outer peripheral wall of the guide ring, and clamps the fiber strip in the fiber strip channel. It reduces the situation that the fiber strip straddles to the adjacent guide ring due to the extrusion of the elastic friction ring and the guide ring, or is caught in the gap between the guide rings, resulting in the suspension of feeding, and improves the accuracy of conveying the fiber strip. Brief Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of the multi-color feeding device according to an embodiment of the present application.

[0023] Figure 2 It is a schematic diagram for showing the structure of the driving component according to an embodiment of the present application.

[0024] Figure 3 It is a cross-sectional view for showing the structure of the sleeve component and the elastic feeding roller according to an embodiment of the present application.

[0025] Description of the reference numerals: 1, tooling plate; 11, mounting plate; 12, vertical plate; 13, carding device; 14, gathering guide plate; 15, guide rod; 2, guide ring; 3, sleeve component; 31, first sleeve; 32, second sleeve; 33, third sleeve; 34, fourth sleeve; 4, driving component; 41, first gear; 42, second gear; 43, third gear; 44, fourth gear; 45, driving motor; 46, first driving wheel; 47, second driving wheel; 48, third driving wheel; 49, fourth driving wheel; 5, elastic friction ring; 6, adjusting component; 61, working frame; 611, cross bar; 62, rotating rod; 63, handle; 7, elastic feeding roller; 71, inner roller; 711, relief groove; 712, protective cover; 72, outer roller; 8, feeding motor; 9, nozzle; 91, flared opening; 10, fiber strip. Detailed Description of the Embodiment

[0026] The following further describes the present application in detail Figures 1-3 with reference to the accompanying drawings.

[0027] An embodiment of the present application discloses a multi-color feeding device for sprayed fluffed yarn. Referring to Figure 1 and Figure 2 , taking four-color feeding as an example, the multi-color feeding device for sprayed fluffed yarn includes a tooling plate 1, and the tooling plate 1 is fixedly installed on the carding device 13. A driving component 4 is installed on the tooling plate, and a sleeve component 3 is arranged on the driving component 4. One end of the sleeve component 3 close to the tooling plate 1 is connected to the driving component 4. An installation plate 11 is arranged on one side of the tooling plate 1 close to the sleeve component 3, and the installation plate 11 is fixedly installed on the carding device 13. A through hole is formed in the installation plate 11, and one end of the sleeve component 3 far from the tooling plate 1 passes through the installation plate 11 through the through hole. Four guide rings 2 are rotatably connected to one end of the sleeve component 3 protruding from the installation plate 11. The four guide rings 2 are arranged side by side and are located above the fiber inlet of the carding device 13. The driving component 4 drives the sleeve component 3 to drive the four guide rings 2 to rotate independently, so that the rotation speed of each guide ring 2 is not affected by other guide rings 2.

[0028] An adjustment assembly 6 is rotatably mounted on the mounting plate 11, and four elastic friction rings 5 ​​are rotatably connected to the adjustment assembly 6. The four elastic friction rings 5 ​​are arranged side by side, and the adjustment assembly 6 drives the four elastic friction rings 5 ​​to approach or move away from the four guide rings 2 at the same time. The outer peripheral wall of each elastic friction ring 5 can contact the outer peripheral wall of the corresponding guide ring 2, and the rotation of the guide ring 2 drives the elastic friction ring 5 to rotate; the outer peripheral wall of the elastic friction ring 5 makes the fiber strip 10 contact the outer peripheral wall of the guide ring 2, and the elastic friction ring 5 and the guide ring 2 rotate towards each other at the same speed to convey the fiber strip 10 in the direction of the combing device 13, and the conveying speed of the fiber strip 10 is the same as the rotation speed of the guide ring 2.

[0029] Two elastic feeding rollers 7 are arranged between the guide ring 2 and the fiber feeding inlet of the combing device 13. The elastic feeding rollers 7 are arranged near the fiber inlet of the combing device 13, and the two elastic feeding rollers 7 are rotatably connected with the combing device 13. A feeding motor 8 is installed on the combing device 13. The two elastic feeding rollers 7 are connected with the feeding motor 8 through a belt drive. The feeding motor 8 drives the two elastic feeding rollers 7 to rotate in opposite directions to feed the multiple fiber strips 10 controlled by the guide ring 2 into the combing device 13. Protective covers are arranged on the driving component 4 and the feeding motor 8 to reduce the possibility that short fibers floating in the air are drawn into the moving parts in the driving component 4 and the feeding motor 8.

[0030] The operator controls the adjustment component 6 to make the four elastic friction rings 5 ​​away from the four guide rings 2, and respectively places the four fiber strips 10 on the outer peripheral walls of the four guide rings 2, and after passing the guide rings 2, places the ends of the four fiber strips 10 between the two elastic feeding rollers 7. The operator controls the adjustment component 6 to make the four elastic friction rings 5 ​​approach the four guide rings 2 until the outer peripheral walls of the elastic friction rings 5 ​​abut against the outer peripheral walls of the guide rings 2, and the fiber strips 10 are sandwiched between the elastic friction rings 5 ​​and the guide rings 2, and the installation of the fiber strips 10 is completed.

[0031] The drive assembly 4, the feeding motor 8 and the combing device 13 are started. The drive assembly 4 drives each guide ring 2 to rotate independently through the sleeve assembly 3. Each guide ring 2 drives the elastic friction ring 5 to rotate in the same direction at the same speed through static friction. The outer peripheral wall of the elastic friction ring 5 undergoes elastic deformation. The elastic friction ring 5 and the guide ring 2 give each fiber strip 10 an independent conveying speed through static friction. The two elastic feeding rollers 7 rotate in the opposite direction to clamp the fiber strip 10 and feed it into the combing device 13.

[0032] When the four fiber strips 10 are all fed at a conveying speed matching the carding device 13, the fiber strips 10 enter the carding device 13 through the static friction generated by the two elastic feeding rollers 7 on them. When the conveying speed of a certain fiber strip or multiple fiber strips 10 changes, the fiber strips 10 with a rate matching the carding device 13 still enter the carding device 13 in the original feeding state; while the fiber strips 10 with a conveying rate lower than the rate of the carding device 13 are pulled by the carding rollers in the carding device 13 under the elastic clamping of the elastic feeding rollers 7 and the elastic clamping of the elastic friction ring 5 and the guide ring 2 when being fed into the carding device 13. The fiber strips 10 will only be torn apart at the carding rollers of the carding device 13 and are difficult to be broken at the clamping positions of the two elastic feeding rollers 7 or at the clamping positions of the guide ring 2 and the elastic friction ring 5. At this time, the fiber strips 10 can always be quickly captured by the carding rollers in the carding device 13 for carding.

[0033] When a certain fiber strip or multiple fiber strips 10 need to stop being fed, the fiber strips 10 will still only be torn apart at the carding rollers of the carding device 13; therefore, even if the stopped fiber strips 10 are restarted, they can be quickly captured by the carding rollers in the carding device 13 for carding. The situation where the fiber strips 10 broken at the clamping positions of the two elastic feeding rollers 7 or at the clamping positions of the guide ring 2 and the elastic friction ring 5 cannot accurately enter the carding device 13 resulting in the suspension of carding is reduced.

[0034] Referring to Figure 1 and Figure 2 , a nozzle 9 is provided above the guide ring 2. Four nozzles 9 are arranged side by side and integrally formed on the connecting plate bolted to the mounting plate 11. A flared opening 91 is penetrated through the nozzle 9. The fiber strip 10 is always threaded through the flared opening 91, enters the nozzle 9 from the end with a larger diameter of the flared opening 91, and leaves the nozzle 9 from the end with a smaller diameter. One end of the nozzle 9 close to the guide ring 2 is inclined and parallel to the tangent of the outer peripheral wall of the guide ring 2 at this position, so that the direction of the fiber strip 10 when passing through the nozzle 9 is parallel to the tangent of the outer peripheral wall of the guide ring 2 at this position to assist the fiber strip 10 to be clamped by the corresponding elastic friction ring 5 and the guide ring 2.

[0035] In order to prevent the fiber strip 10 from striding onto the adjacent guide ring 2, the guide ring 2 is set as a concave wheel, and a fiber strip channel is formed by the inward depression of the center of the outer peripheral wall of the guide ring 2 to limit the fiber strip 10 to always be within its corresponding fiber strip channel. The projection of the nozzle 9 on the guide ring 2 is located in the fiber strip channel, and the outlet of the flared opening 91 is arranged towards the contact position of the elastic friction ring 5 and the fiber strip channel. The elastic friction ring 5 is set as a cam, and the outer peripheral wall of the elastic friction ring 5 is driven to contact the outer peripheral wall of the guide ring 2 by controlling the adjusting assembly 6.

[0036] The adjusting assembly 6 includes a rotating rod 62. One end of the rotating rod 62 is fixedly connected to the mounting plate 11, and the length direction of the rotating rod 62 is parallel to the axial direction of the guide ring 2. A working frame 61 is rotatably mounted on the outer peripheral wall of the rotating rod 62. A cross bar 611 parallel to the axial direction of the guide ring 2 is mounted on the side of the working frame 61 away from the rotating rod 62. Four elastic friction rings 5 are sleeved on the cross bar 611 side by side. The elastic friction rings 5 can rotate around the cross bar 611 as an axis. A spacer is mounted between every two elastic friction rings 5 to align the elastic friction rings 5 with the fiber strip channels on the guide ring 2. A handle 63 is also mounted on the rotating rod 62. The length direction of the handle 63 is perpendicular to the plane where the working frame 61 is located for an operator to hold and control the rotation of the working frame 61.

[0037] The operator holds the handle 63 and rotates the working frame 61 in the direction away from the guide ring 2 with the rotating rod 62 as the axis, driving the elastic friction rings 5 away from the guide ring 2. The end of the fiber strip 10 enters the guide nozzle 9 from the larger end of the bell mouth 91 and leaves the guide nozzle 9 from the smaller end of the bell mouth 91 near the guide ring 2, and is placed on the inner wall of the guide ring 2 at the fiber strip channel. After bypassing the side of the guide ring 2 close to the elastic friction rings 5, the end of the fiber strip 10 drops and gathers at the elastic feeding roller 7 to complete the arrangement of the four fiber strips 10. The operator holds the handle 63 and rotates the working frame 61 in the reverse direction so that the end of the cross bar 611 on the working frame 61 close to the mounting plate 11 is placed on the step of the mounting plate 11. At this time, the outer peripheral wall of the elastic friction ring 5 contacts the outer peripheral wall of the guide ring 2, and the fiber strip 10 is clamped in the fiber strip channel, and the installation of the fiber strip 10 is completed. Then the operator starts the driving assembly 4 to drive the guide ring 2 to rotate through the sleeve assembly 3.

[0038] Refer to Figure 2 and Figure 3 As shown in, the driving assembly 4 includes a guide rod 15. One end of the guide rod 15 is fixedly mounted on the tooling plate 1, and the other end passes through the mounting plate 11 through a through hole. A first gear 41 is sleeved on the outer peripheral wall of the guide rod 15 close to the tooling plate 1. A second gear 42 is arranged on the side of the first gear 41 away from the tooling plate 1. A third gear 43 is arranged on the side of the second gear 42 away from the tooling plate 1. A fourth gear 44 is arranged on the side of the third gear 43 away from the tooling plate 1. The first gear 41, the second gear 42, the third gear 43 and the fourth gear 44 are all rotatably connected to the tooling plate 1, and are all sleeved on the guide rod 15 and rotate around the axis of the guide rod 15.

[0039] On the end wall of the tooling plate 1 facing away from the first gear 41, four driving motors 45 are installed by bolts. The driving motors 45 are arranged in a circumferential array along the first gear 41. The output shafts of the driving motors 45 pass through the tooling plate 1 through the openings of the tooling plate 1. On the output shafts of the four driving motors 45, a first driving wheel 46, a second driving wheel 47, a third driving wheel 48 and a fourth driving wheel 49 are respectively arranged. The first driving wheel 46, the second driving wheel 47, the third driving wheel 48 and the fourth driving wheel 49 are clamped and fixed to the output shafts of the driving motors 45 and rotate synchronously with them. The distances between the first driving wheel 46, the second driving wheel 47, the third driving wheel 48 and the fourth driving wheel 49 and the tooling plate 1 increase in sequence. The external teeth of the first driving wheel 46 mesh with the external teeth of the first gear 41, the external teeth of the second driving wheel 47 mesh with the external teeth of the second gear 42, the external teeth of the third driving wheel 48 mesh with the external teeth of the third gear 43, and the external teeth of the fourth driving wheel 49 mesh with the external teeth of the fourth gear 44. The four driving motors 45 respectively drive the first gear 41, the second gear 42, the third gear 43 and the fourth gear 44 to rotate so as to drive the sleeve assembly 3.

[0040] The sleeve assembly 3 includes a first sleeve 31. The first sleeve 31 is sleeved on the outer circumferential wall of the guide rod 15. One end of the first sleeve 31 close to the tooling plate 1 is clamped with the first gear 41. A second sleeve 32 is sleeved on the outer circumferential wall of the first sleeve 31. One end of the second sleeve 32 close to the tooling plate 1 is clamped with the second gear 42. A third sleeve 33 is sleeved on the outer circumferential wall of the second sleeve 32. One end of the third sleeve 33 close to the tooling plate 1 is clamped with the third gear 43. A fourth sleeve 34 is sleeved on the outer circumferential wall of the third sleeve 33. One end of the fourth sleeve 34 close to the tooling plate 1 is clamped with the fourth gear 44. The guide rod 15, the first sleeve 31, the second sleeve 32, the third sleeve 33 and the fourth sleeve 34 are rotationally connected through bearings. The first gear 41, the second gear 42, the third gear 43 and the fourth gear 44 respectively drive the first sleeve 31, the second sleeve 32, the third sleeve 33 and the fourth sleeve 34 to rotate independently with the axis of the guide rod 15 as the axis.

[0041] One ends of the first sleeve 31, the second sleeve 32, the third sleeve 33 and the fourth sleeve 34 away from the tooling plate 1 all pass through the mounting plate 11 through through holes. The inner wall of the fourth sleeve 34 and the mounting plate 11 at the through hole is rotationally connected through a bearing. The lengths of the first sleeve 31, the second sleeve 32, the third sleeve 33 and the fourth sleeve 34 protruding from one side of the mounting plate 11 decrease in sequence, and their ends are respectively located at the central projections of a guide ring 2 and are clamped and fixed with the guide ring 2. The first sleeve 31, the second sleeve 32, the third sleeve 33 and the fourth sleeve 34 are sequentially connected to the four guide rings 2 in the direction close to the mounting plate 11 in sequence.

[0042] Start the four drive motors 45. The first drive wheel 46 drives the first gear 41 to rotate, and drives the guide ring 2 farthest from the mounting plate 11 to rotate synchronously through the first sleeve 31. The fourth drive wheel 49 drives the fourth gear 44 to rotate, and drives the guide ring 2 closest to the mounting plate 11 to rotate synchronously through the fourth sleeve 34. The second drive wheel 47 and the third drive wheel 48 drive the second gear 42 and the third gear 43 to rotate respectively, and drive the two guide rings 2 in the middle to rotate synchronously through the second sleeve 32 and the third sleeve 33 respectively. Control the start / stop and rotation speed of the four guide rings 2 by adjusting the output of the four drive motors 45.

[0043] Refer to Figure 3 , a vertical plate 12 is arranged below the guide ring 2. The vertical plate 12 is installed on the carding device 13 by bolts and is located on one side of the fiber sliver feeding port. Two collecting guide plates 14 are installed on the vertical plate 12 through a rack and are located between the guide ring 2 and the elastic feeding roller 7. The two collecting guide plates 14 are respectively located on both sides of the elastic feeding roller 7 in the length direction. The collecting guide plates 14 are inclined, and the bottoms of the two collecting guide plates 14 are close to each other in the length direction of the elastic feeding roller 7. The distance between the bottoms of the two collecting guide plates 14 is less than the length of the elastic feeding roller 7. The two collecting guide plates 14 can aggregate the fiber slivers 10 in the four fiber sliver channels arranged side by side in the length direction of the elastic feeding roller 7 to the two elastic feeding rollers 7.

[0044] The elastic feeding roller 7 includes an inner roller 71. The inner roller 71 is rotatably installed on the vertical plate 12. A relief groove 711 is formed on the outer peripheral wall of the inner roller 71. The diameter of the fiber sliver 10 is smaller than the distance between the bottoms of the two relief grooves 711. An outer roller 72 is sleeved on the outer peripheral wall of the inner roller 71. The two ends of the outer roller 72 are placed on the outer peripheral wall of the inner roller 71 away from the relief groove 711. The outer peripheral walls of the two outer rollers 72 are close to the fiber feeding port of the carding device 13. The outer roller 72 is made of a flexible material. In this embodiment, the outer roller 72 is made of nitrile rubber. The outer roller 72 is tensioned on the inner roller 71. There is a gap between the outer peripheral walls of the two outer rollers 72, and this gap is smaller than the diameter of the fiber sliver 10. When the fiber sliver 10 contacts the two outer rollers 72 at the same time, both of the two outer rollers 72 undergo elastic deformation, but the inner peripheral wall of the outer roller 72 does not contact the bottom of the relief groove 711. In order to avoid damage to the edges of the outer roller 72, protective covers 712 are integrally formed at both ends of the inner roller 71. The end walls of the protective covers 712 are connected to the end walls of the inner roller 71. The outer peripheral wall of the protective cover 712 is flush with the outer peripheral wall of the outer roller 72.

[0045] A feeding motor 8 is installed on the vertical plate 12 by bolts. The feeding motor 8 controls the two inner rollers 71 to rotate towards each other through pulley transmission. The two inner rollers 71 drive the two outer rollers 72 to rotate towards each other through friction. The soft contact between the outer roller 72 and the fiber sliver 10 feeds the four fiber slivers 10 into the carding device 13.

[0046] The implementation principle of the multi-color feeding device for the flocked yarn in the embodiment of the present application is as follows: The operator passes the fiber strip 10 through the guide nozzle 9 and places it on the inner wall of the concave fiber channel of the guide ring 2, guiding the end of the fiber strip 10 to pass through the gap between the two outer rollers 72 and enter the carding device 13; The operator rotates the working frame 61 by holding the handle 63 to make the elastic friction ring 5 press the fiber strip 10 against the guide ring 2. Start the drive motor 45, the feeding motor 8 and the carding device 13. The drive motor 45 controls the start and stop of the guide ring 2 and adjusts the rotation speed through the sleeve assembly 3; The feeding motor 8 drives the two inner rollers 71 to drive the outer rollers 72 to rotate towards each other. Under the elastic clamping of the elastic friction ring 5 and the guide ring 2, the fiber strip 10 has different conveying speeds; The collecting guide plate 14 guides the fiber strip 10 to gather at the elastic feeding roller 7 and is fed into the carding device 13 under the elastic clamping of the two outer rollers 72, reducing the situation that the fiber strip 10 broken at the clamping position of the two outer rollers 72 or the clamping position of the guide ring 2 and the elastic friction ring 5 cannot accurately enter the carding device 13, resulting in the suspension of carding. And this device can set the number of guide rings 2 according to the number of fiber strips 10 to be mixed, and set the sleeve assembly 3, the drive assembly 4, the elastic friction ring 5 and the guide nozzle 9 corresponding to the number of guide rings 2.

[0047] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. Multi-color feeding device for spray yarn, Features: The tooling plate (1) comprises a plurality of guide rings (2) rotatably arranged on the tooling plate (1); a sleeve assembly (3) is arranged on the tooling plate (1), and the guide ring (2) is mounted on the sleeve assembly (3); a driving assembly (4) is mounted on the tooling plate (1), and the driving assembly (4) drives the sleeve assembly (3) to drive the plurality of guide rings (2) to rotate independently; an adjusting assembly (6) is arranged on the tooling plate (1), and an elastic friction ring (5) is rotatably connected to the adjusting assembly (6), and the adjusting assembly (6) drives The elastic friction ring (5) approaches or moves away from the guide ring (2), and the elastic friction ring (5) can press the fiber strip against the outer peripheral wall of the guide ring (2); two elastic feeding rollers (7) are arranged on one side of the guide ring (2), and the two elastic feeding rollers (7) are rotatably connected to the combing device (13); a feeding motor (8) is installed on the combing device (13), and the elastic feeding roller (7) is transmission-connected to the feeding motor (8) to drive the two elastic feeding rollers (7) to rotate in opposite directions to feed the fiber strip into the combing device (13).

2. The multi-color feeding device of the spray yarn according to claim 1, Features: Four guide rings (2) are arranged on the tooling plate (1); the sleeve assembly (3) comprises a first sleeve (31), a second sleeve (32), a third sleeve (33) and a fourth sleeve (34), which are nested in sequence from the inside to the outside; one end of the first sleeve (31), the second sleeve (32), the third sleeve (33) and the fourth sleeve (34) close to the tooling plate (1) is connected to the driving assembly (4); one end of the first sleeve (31), the second sleeve (32), the third sleeve (33) and the fourth sleeve (34) away from the tooling plate (1) is respectively connected to a guide ring (2); the driving assembly (4) respectively drives the first sleeve (31), the second sleeve (32), the third sleeve (33) and the fourth sleeve (34) to rotate independently.

3. The multi-color feeding device of the spray yarn according to claim 2, Features: The driving assembly (4) comprises a first gear (41), a second gear (42), a third gear (43) and a fourth gear (44), wherein the first gear (41), the second gear (42), the third gear (43) and the fourth gear (44) are arranged in sequence along the tooling plate (1) in the direction of the guide ring (2); a guide rod (15) is mounted on the tooling plate (1); the first gear (41), the second gear (42), the third gear (43) and the fourth gear (44) are all rotatably connected to the guide rod (15) and are respectively controlled by a driving motor (45), wherein the driving motor (45) is mounted on the tooling plate (1); the first gear (41) rotates synchronously with the first sleeve (31), the second gear (42) rotates synchronously with the second sleeve (32), the third gear (43) rotates synchronously with the third sleeve (33), and the fourth gear (44) rotates synchronously with the fourth sleeve (34).

4. The multi-color feeding device of the spray yarn according to claim 1, Features: The elastic feeding roller (7) comprises an inner roller (71) and an outer roller (72); a vertical plate (12) is arranged below the guide ring (2); the inner roller (71) is rotatably mounted on the vertical plate (12); a clearance groove (711) is provided on the outer peripheral wall of the inner roller (71); the outer roller (72) is sleeved on the outer peripheral wall of the inner roller (71) away from the clearance groove (711); there is a gap between the outer roller (72) and the bottom of the clearance groove (711); the outer roller (72) is made of flexible material; the fiber strip (10) passes through the gap between the two outer rollers (72) and is in contact with the outer peripheral walls of the two outer rollers (72) at the same time; the two inner rollers (71) are connected by a feeding motor (8) to drive the two outer rollers (72) to rotate towards each other.

5. The multi-color feeding device of the spray yarn according to claim 4, Features: A collecting guide plate (14) is installed on the vertical plate (12), and the collecting guide plate (14) is arranged at an angle to aggregate the fiber strips on the plurality of guide rings (2) to the two elastic feeding rollers (7).

6. The multi-color feeding device of the spray yarn according to claim 1, Features: The adjustment assembly (6) comprises a working frame (61) and a rotating rod (62); a mounting plate (11) is mounted on one side of the tooling plate (1); the rotating rod (62) is rotatably connected to the mounting plate (11); the length direction of the rotating rod (62) is parallel to the axial direction of the guide ring (2); the working frame (61) is mounted on the rotating rod (62); a plurality of elastic friction rings (5) are rotatably connected to the working frame (61) in parallel; the working frame (61) drives the elastic friction rings (5) to rotate around the rotating rod (62) as an axis so as to approach and move away from the guide ring (2).

7. The multi-color feeding device of the spray yarn according to claim 6, Features: A plurality of guide nozzles (9) are arranged on the mounting plate (11), a bell mouth (91) is arranged through the guide nozzle (9), and an outlet of the bell mouth (91) is arranged toward the guide ring (2).

8. The multi-color feeding device of the spray yarn according to claim 7, Features: The guide nozzle (9) is arranged obliquely at one end close to the guide ring (2) and is parallel to the tangent line of the outer peripheral wall of the guide ring (2) at that location.

9. The multi-color feeding device of the spray yarn according to claim 7, Features: The guide ring (2) is a concave wheel, and the outlet of the bell mouth (91) is close to the concave part of the outer peripheral wall of the guide ring (2).

10. The multi-color feeding device of the spray yarn according to claim 9, Features: The elastic friction ring (5) is a cam, and there is a gap between the outer peripheral wall of the elastic friction ring (5) and the outer peripheral wall of the guide ring (2).

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