Single-spindle type spandex core-spun yarn device

Abstract

The utility model discloses a single-spindle type spandex core-spun yarn device, which belongs to the technical field of spandex core-spun yarn manufacture and comprises a base plate, a plurality of single-spindle type spandex core-spun yarn devices and a plurality of single-spindle type spandex core-spun yarn devices. The backing-off units are installed on the base plate and used for feeding the rolled core yarn and wrapping fiber into the ring spinning machine, each backing-off unit comprises an installation shaft, the installation shafts are rotationally installed on the base plate and driven by corresponding motors, and the installation shafts are used for installing the rolled core yarn or wrapping fiber; the tensioning ring is mounted on the base plate and used for keeping the core yarn and the outer wrapping fibers in a tensioned state; the auxiliary wheel set is used for clamping and fixing the core yarn and the outer wrapping fiber when the core yarn and the outer wrapping fiber are broken, the material roll can be conveniently and rapidly disassembled and assembled, and the core yarn or the outer wrapping fiber can be rapidly clamped and fixed when the core yarn or the outer wrapping fiber is broken.

Description

TECHNICAL FIELD

[0001] The utility model relates to spandex core spun yarn manufacturing technical field, concretely relates to a single spindle type spandex core spun yarn device. BACKGROUND

[0002] In the production of core spun yarn in the traditional ring spinning machine, the core yarn (such as spandex) and the outer wrapping fiber (such as cotton, polyester) unwinding, tension control and broken yarn processing are the key problems affecting production efficiency and product quality. In the prior art, the single spindle type core spun yarn device usually has the following defects:

[0003] The traditional installation shaft structure is simple, lacks quick clamping and self-adaptive fixing design, and needs to be manually adjusted when replacing the yarn roll, which is time-consuming and labor-consuming, and the yarn roll is easy to slip or deviate due to insecure fixing during unwinding;

[0004] When the core yarn or the outer wrapping fiber is broken, the device lacks quick detection and emergency clamping mechanism, so that the broken yarn may be wound into the spinning machine, causing equipment jamming or yarn contamination and increasing downtime for cleaning.

[0005] In order to solve the above problems, the utility model provides a single spindle type spandex core spun yarn device. CONTENT OF THE UTILITY MODEL

[0006] In view of the above technical deficiencies, the utility model aims to provide a single spindle type spandex core spun yarn device which can conveniently and quickly disassemble and assemble the material roll, and can quickly clamp and fix the core yarn or the outer wrapping fiber when the core yarn or the outer wrapping fiber is broken.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a single spindle type spandex core spun yarn device, which comprises:

[0008] A base plate is installed on a ring spinning machine;

[0009] A plurality of unwinding units are installed on the base plate for feeding the coiled core yarn and outer wrapping fiber into the ring spinning machine, and the unwinding unit comprises:

[0010] An installation shaft is rotatably installed on the base plate and driven by a corresponding motor, and the installation shaft is used to install the coiled core yarn or outer wrapping fiber;

[0011] A tension ring is installed on the base plate for keeping the core yarn and outer wrapping fiber in a tight state;

[0012] An auxiliary wheel set is used to clamp and fix the core yarn and outer wrapping fiber when the core yarn and outer wrapping fiber are broken.

[0013] Preferably, the upper end of the mounting shaft is provided with a plurality of hollow grooves, the opening of the hollow groove is provided with a top ball, and the top ball is connected with the side wall of the bottom of the hollow groove through a first spring.

[0014] Preferably, the size of the opening of the hollow groove is smaller than the diameter of the top ball, the center of the top ball is located in the interior of the hollow groove, a sliding plate is arranged between the top ball and the first spring, one side of the sliding plate is fixedly connected with the first spring, and the other side is rotatably connected with the top ball, and the first spring has an elastic force for pressing the sliding plate to the opening of the hollow groove.

[0015] Preferably, a groove is arranged on the side wall of the outer periphery of the mounting shaft, and a spring sheet is fixedly connected in the interior of the groove, and the spring sheet has a pressing force for pressing the inner wall of the core yarn or the outer wrapping fiber roll.

[0016] Preferably, one side of the tension ring is fixedly connected with a fixed rod, the fixed rod extends into the interior of a fixed tube, and the fixed tube is fixedly connected with the inner wall of the fixed tube through a second spring, the fixed tube is fixedly connected with the base plate, and the interior of the fixed tube is fixedly connected with a touch switch.

[0017] Preferably, the auxiliary wheel set comprises:

[0018] A fixed wheel is rotatably arranged on the mounting plate.

[0019] A pressing wheel is rotatably arranged on the mounting block, the mounting block is slidably arranged on the fixed frame, and a third spring is arranged between the mounting block and the inner side wall of the fixed frame, and the third spring has a pressing force for pressing the pressing wheel to the fixed wheel.

[0020] A locking push rod is arranged below the fixed wheel and is arranged on the mounting plate.

[0021] The utility model discloses the beneficial effect lies in:

[0022] The utility model discloses through the setting of top ball and first spring, can conveniently install the core yarn and outer wrapping fiber of roll in mounting shaft, has installed spring sheet on the side surface of mounting shaft, and spring sheet can press the inner wall of core yarn and outer wrapping fiber of roll, not only can assist fixed, still can make mounting shaft stably drive core yarn and outer wrapping fiber rotation, stably carry out unwinding.

[0023] The utility model discloses through the setting of tension ring, fixed wheel and pressing wheel, and tension ring can guarantee that core yarn or outer wrapping fiber keeps tight state all the time, and detects whether the core yarn or outer wrapping fiber is broken, and fixed wheel and pressing wheel can cooperate with each other after the core yarn or outer wrapping fiber is broken, and the broken yarn is clamped and fixed, avoids the core yarn or outer wrapping fiber of breaking and entering the interior of ring spinning frame, thereby prevents the influence product quality. DRAWINGS

[0024] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings described in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Figure 1 A structural schematic view of a single-spindle elastane core-spun yarn device provided by the present application is shown.

[0026] Figure 2 A sectional view of a mounting shaft of the present application is shown.

[0027] Figure 3 A sectional view of a fixed tube of the present application is shown. Figure 2

[0028] Figure 4 A sectional view of a fixed tube of the present application is shown.

[0029] Figure 5 A sectional view of a fixed tube of the present application is shown.

[0030] Figure 6 A sectional view of a fixed tube of the present application is shown.

[0031] Explanation of reference signs:

[0032] 1, base plate, 2, mounting shaft, 3, tension ring, 4, motor, 5, empty slot, 6, top ball, 7, first spring, 8, sliding plate, 9, fixed rod, 10, fixed tube, 11, second spring, 12, touch switch, 13, fixed wheel, 14, mounting plate, 15, pressing wheel, 16, mounting block, 17, fixed frame, 18, third spring, 19, groove, 20, elastic sheet, 21, locking push rod. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments only represent some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] The present application provides a single-spindle elastane core-spun yarn device, as shown in the drawings. Figures 1 to 6

[0035] Embodiment one:

[0036] ​​A single spindle spandex core yarn device, comprising a base plate 1, which is fixed on the frame of a ring spinning machine by bolts, a plurality of unwinding units are installed on the base plate 1, the unwinding unit comprises a mounting shaft 2, a motor 4, a tension ring 3 and an auxiliary wheel set, the mounting shaft 2 is used to mount the wound core yarn or outer wrapping fiber.

[0037] The mounting shaft 2 is rotatably installed on the fixed plate, the fixed plate is fixedly connected on the base plate 1, a motor is installed below the fixed plate, the motor shaft of the motor is fixedly connected with the mounting shaft 2 by penetrating the fixed plate, the motor shaft drives the mounting shaft 2 to rotate, so that the active unwinding work can be realized, the fixed plate is provided with a through hole for the core yarn or outer wrapping fiber to pass through, the both ends of the through hole are flared and the inside is coated with a friction-reducing coating (such as polyurethane coating) to reduce the resistance of the core yarn or outer wrapping fiber passing through.

[0038] The material of the tension ring 3 is ceramic material, which can reduce the friction between the core yarn or outer wrapping fiber and the tension ring 3, so that the core yarn or outer wrapping fiber can pass through the tension ring 3 better, the tension ring 3 is vertically fixed on the base plate 1 by the fixed tube 10, the tension ring 3 is inserted into the fixed tube 10 through the fixed rod 9, the second spring 11 is fixedly connected at the end of the fixed rod 9, and the other end of the second spring 11 is fixed on the inner wall of the fixed tube 10. Under normal circumstances, the yarn tension pulls the fixed rod 9, and the second spring 11 is in tension state, at this time the fixed rod 9 does not contact the touch switch 12.

[0039] The inner wall of the fixed tube 10 is provided with a touch switch 12, when the core yarn or outer wrapping fiber is broken, the tension ring 3 loses tension, the contraction force of the second spring 11 will make the fixed rod 9 move to the inside of the fixed tube 10, and trigger the touch switch 12, send a signal to the control system, the motor 4 stops running immediately, to avoid the core yarn and outer wrapping fiber being continuously discharged.

[0040] The auxiliary wheel set comprises a fixed wheel 13 and a pressing wheel 15, the fixed wheel 13 is rotatably installed on the ear plate, the ear plate is fixedly connected on the mounting plate 14, the mounting plate 14 is fixedly installed on the base plate 1, the pressing wheel 15 is slidingly connected in the fixed frame 17 through the mounting block 16 (the both sides of the pressing wheel 15 are provided with the mounting block 16, the pressing wheel 15 is rotatably installed between the two mounting blocks 16), and is connected with the inner wall of the fixed frame 17 through the third spring 18, the fixed frame 17 is fixedly connected on the base plate 1.

[0041] In normal operation, the elastic force of the third spring 18 makes the abutting wheel 15 tightly adhere to the fixed wheel 13, and the core yarn or the outer wrapping fiber passes between the abutting wheel 15 and the fixed wheel 13, and the abutting wheel 15 and the fixed wheel 13 are both provided with locking push rods 21, the locking push rods 21 are installed on the mounting plate 14, and the locking push rods 21 are also electrically connected with the touch switch 12, when the core yarn or the outer wrapping fiber is broken, the output rods of the two locking push rods 21 will simultaneously extend, so as to tightly adhere to the fixed wheel 13 and the abutting wheel 15 respectively, so that the fixed wheel 13 and the abutting wheel 15 are fixed and cannot rotate any more, so that the fixed wheel 13 and the abutting wheel 15 clamp and fix the core yarn or the outer wrapping fiber, and the broken core yarn or outer wrapping fiber is prevented from entering the inside of the spinning machine, so as to avoid that the equipment is blocked or the yarn is contaminated, and the cleaning time during shutdown is increased.

[0042] Embodiment two:

[0043] The upper end of the mounting shaft 2 is provided with a plurality of hollow grooves 5, the plurality of hollow grooves 5 are uniformly distributed along the circumference of the mounting shaft 2, the opening of the hollow groove 5 is provided with a top ball 6, the diameter of the top ball 6 is slightly larger than the size of the opening of the hollow groove 5, so that the top ball 6 cannot be pulled out, the inside of the hollow groove 5 is provided with a sliding plate 8, the first spring 7 is connected between the sliding plate 8 and the groove bottom side wall of the hollow groove 5, one end of the first spring 7 is fixedly connected with the groove bottom side wall of the hollow groove 5, and the other end is fixedly connected with the sliding plate 8, the side face of the sliding plate 8 away from the first spring 7 is provided with a groove matched with the top ball 6, so that the top ball 6 and the sliding plate 8 are rotatably connected, and the first spring 7 has a clamping force for clamping the sliding plate 8 against the top ball 6, so that the top ball 6 partially protrudes from the surface of the mounting shaft 2.

[0044] When mounting, the core yarn or the outer wrapping fiber in a roll is sleeved on the mounting shaft 2, the inner wall of the roll presses the top ball 6, the top ball 6 is pressed and retracted into the hollow groove 5, until the roll is completely sleeved, the top ball 6 is popped out under the action of the first spring 7 and clamps the end face of the roll, so that quick fixing is realized. When dismounting, the roll can be separated by pulling it in the reverse direction.

[0045] In addition, the side wall of the mounting shaft 2 is circumferentially provided with an arc-shaped groove 19, and the arc-shaped spring piece 20 is embedded in the groove 19. The curvature of the spring piece 20 is slightly larger than the curvature of the outer circumference of the mounting shaft 2, when the core yarn or the outer wrapping fiber in a roll is sleeved on the mounting shaft 2, the spring piece 20 is pressed and deformed, and the elastic force of the spring piece 20 continuously clamps the inner wall of the roll, so that additional friction is provided, and the unwinding work is stably performed.

[0046] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A single spindle spandex core spun yarn device characterized by, include: Substrate (1), said substrate (1) is mounted on a ring spinning machine; Multiple unwinding units are mounted on a substrate (1) for feeding the wound core yarn and outer fiber into a ring spinning machine. Each unwinding unit includes: Mounting shaft (2), which is rotatably mounted on substrate (1) and driven by corresponding motor (4), is used to mount rolled core yarn or outer fiber; A tensioning ring (3) is mounted on a substrate (1) to keep the core yarn and outer fibers taut. An auxiliary roller assembly is used to clamp and fix the core yarn and outer fiber when they break.

2. A single spindle spandex core yarn device as defined in claim 1, wherein, The upper end of the mounting shaft (2) is provided with multiple empty slots (5), and the opening of the empty slot (5) is provided with a top ball (6), and a first spring (7) is connected between the top ball (6) and the bottom side wall of the empty slot (5).

3. A single spindle spandex core yarn device as defined in claim 2, wherein, The opening of the slot (5) is smaller than the diameter of the top ball (6). The center of the top ball (6) is located inside the slot (5). A sliding plate (8) is provided between the top ball (6) and the first spring (7). One side of the sliding plate (8) is fixedly connected to the first spring (7), and the other side is rotatably connected to the top ball (6). The first spring (7) has an elastic force that presses the sliding plate (8) against the opening of the slot (5).

4. A single spindle spandex core yarn device as defined in claim 1, wherein, The mounting shaft (2) has a groove (19) on its outer side wall. A spring piece (20) is fixedly connected inside the groove (19). The spring piece (20) has a clamping force that abuts against the inner wall of the rolled core yarn or outer fiber roll.

5. A single spindle spandex core yarn device as defined in claim 1, wherein, A fixing rod (9) is fixedly connected to one side of the tensioning ring (3). The fixing rod (9) extends into the interior of the fixing tube (10) and is connected to the inner wall of the fixing tube (10) through a second spring (11). The fixing tube (10) is fixedly connected to the base plate (1). A touch switch (12) is fixedly connected inside the fixing tube (10).

6. A single spindle spandex core yarn device as defined in claim 1, wherein, The auxiliary wheel assembly includes: A fixed wheel (13) is rotatably mounted on a mounting plate (14); A clamping wheel (15) is rotatably mounted on a mounting block (16), which is slidably mounted on a fixed frame (17). A third spring (18) is connected between the mounting block (16) and the inner wall of the fixed frame (17). The third spring (18) has a clamping force that causes the clamping wheel (15) to clamp against the fixed wheel (13). Locking push rod (21), which is located below the fixed wheel (13) and mounted on the mounting plate (14).

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