Yarn end cutting device

Abstract

The utility model relates to a yarn end cutting device which comprises a winding displacement cylinder, a fixed ring and a rotating cylinder, the fixed ring is fixed on one side of the winding displacement cylinder, the rotating cylinder is installed on the side, away from the winding displacement cylinder, of the fixed ring and can rotate relative to the fixed ring, a plurality of blades are hinged to a center opening of the fixed ring, and a plurality of clamping rods are installed in the rotating cylinder in the circumferential direction. A plurality of blades gather together to cut off yarn and drive a plurality of clamping rods to move in the radial direction of a rotating cylinder to clamp a yarn end, specifically, when the yarn end needs to be cut off, the rotating cylinder is driven to rotate by a preset angle, so that the rotating cylinder rotates relative to a fixing ring, the blades gather together to form a circle, and the yarn end is cut off. Meanwhile, the multiple clamping rods are used for clamping the yarn ends remaining on the yarn roller so that the yarn ends can be conveniently used next time, the structure is simple, and the design is ingenious.

Description

Technical Field

[0001] The utility model relates to the field of yarns, in particular to a yarn end cutting device. Background Art

[0002] In textile enterprises, yarn is usually stored in rolls, and the volume of the rolls is also large, that is, the length of a roll of yarn is very long. However, when actual production needs it, these yarns will not be used up all at once. Therefore, after a part of the yarn is used, the yarn needs to be cut. However, when the existing yarn cutting device cuts the yarn, it is unable to temporarily fix the thread ends remaining on the yarn roller after cutting. The thread ends are difficult to find when using it next time, which reduces work efficiency and is in urgent need of improvement. Utility Model Content

[0003] The utility model aims to provide a yarn end cutting device, which is used to solve the problem that the existing yarn end cutting device cannot fix the end of the yarn remaining on the winding roller when cutting the yarn.

[0004] In order to solve the above problems, the utility model provides a yarn end cutting device, including a wire discharging drum, a fixed ring and a rotating drum, the fixed ring is fixed to one side of the wire discharging drum, the rotating drum is installed on the side of the fixed ring away from the wire discharging drum and can rotate relative to the fixed ring, a plurality of blades are hingedly provided at the central opening of the fixed ring, a plurality of clamping rods are circumferentially installed in the rotating drum, the plurality of blades gather together to cut the yarn, and at the same time drive the plurality of clamping rods to move along the radial direction of the rotating drum to clamp the yarn end.

[0005] The yarn end cutting device provided by the utility model also has the following technical features:

[0006] Furthermore, the wire discharging drum is slidably mounted on a frame, a yarn roller is rotatably mounted on the frame, a screw for driving the wire discharging drum to reciprocate along the axial direction of the yarn roller is rotatably provided on the frame, and a slider that slidably cooperates with the frame is fixedly provided on the bottom wall of the wire discharging drum.

[0007] Furthermore, a first motor is fixedly provided on one side of the frame, an output end of the first motor is coaxially fixedly connected to the central axis of the yarn roller, and a chain transmission assembly is connected between the yarn roller and the screw rod.

[0008] Furthermore, the chain transmission assembly comprises a driving sprocket, a driven sprocket and a chain, the driving sprocket is coaxially fixedly connected to the roller shaft of the yarn roller, and the driven sprocket is coaxially fixedly connected to the screw.

[0009] Furthermore, the rotating cylinder includes a rotating ring and a driving ring, a plurality of limit shafts are circumferentially fixed on one side of the fixing ring, a plurality of arc grooves matching with the limit shafts are opened on the rotating ring, a plurality of connecting rods are hinged on the rotating ring, and one end of the connecting rod away from the arc groove is hinged to the blade, a gear ring is coaxially fixed on the outer wall of the driving ring, a support ring is coaxially fixed inside the driving ring, a plurality of mounting holes are opened on the side wall of the support ring, the clamping rods match with the mounting holes one by one, a clamping head is fixed on the end of the clamping rods close to each other, a compression spring is arranged between the clamping head and the support ring, the compression spring is sleeved on the clamping rod, and a pull rope assembly is connected between the connecting rod and one end of the clamping rod passing through the support ring.

[0010] Furthermore, the pull rope assembly includes a plurality of guide rope wheels installed on the inner wall of the driving ring, a pull rope and a positioning rod fixed to one side of the connecting rod, the clamping rod passes through one end of the support ring and is fixedly provided with a rope ring, one end of the pull rope is fixedly connected to the rope ring, and the other end of the pull rope is fixedly connected to the positioning rod.

[0011] Furthermore, a horizontal plate is integrally fixedly provided below the wire drum, a second motor is fixedly provided on the horizontal plate, a driving gear is fixedly provided on an output end of the second motor, and the driving gear is meshingly connected with the gear ring.

[0012] Furthermore, the number of the blades and the clamping rods is at least three.

[0013] The utility model has the following beneficial effects: when the yarn ends need to be cut off, the rotating drum is driven to rotate a predetermined angle so that the rotating drum rotates relative to the fixed ring, so that the blades converge into a circle to cut off the yarn ends. At the same time, the plurality of clamping rods are used to clamp the yarn ends remaining on the yarn roller for next use. The structure is simple and the design is ingenious. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the yarn end cutting device;

[0015] Figure 2 for Figure 1 A schematic diagram of the enlarged local structure at point A in the middle;

[0016] Figure 3 is a schematic diagram of the internal structure of the driving ring;

[0017] Figure 4 It is a schematic structural diagram of the fixing ring. DETAILED DESCRIPTION

[0018] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0019] like Figures 1 to 4 In the embodiment of a yarn end cutting device of the utility model shown, it includes a wire discharging drum 1, a fixed ring 2 and a rotating drum 3. The fixed ring 2 is fixed to one side of the wire discharging drum 1, and the rotating drum 3 is installed on the side of the fixed ring 2 away from the wire discharging drum 1 and can rotate relative to the fixed ring 2. A plurality of blades 4 are hingedly provided at the central opening of the fixed ring 2, and a plurality of clamping rods 5 are circumferentially installed in the rotating drum. The plurality of blades 4 gather together to cut off the yarn ends 100, and at the same time, the plurality of clamping rods 5 are driven to move along the radial direction of the rotating drum 3 to clamp the yarn ends. Specifically, when the yarn ends need to be cut off, the rotating drum 3 is driven to rotate a predetermined angle so that the rotating drum 3 rotates relative to the fixed ring 2, so that the blades 4 converge into a circle to cut off the yarn ends. At the same time, the plurality of clamping rods are used to clamp the yarn ends remaining on the yarn roller for the next use. The structure is simple and the design is ingenious.

[0020] In one embodiment of the present application, the wire drum 1 is slidably mounted on a frame 10, on which a yarn roller 11 is rotatably mounted, and on the frame 10 a screw 12 is rotatably provided for driving the wire drum 1 to reciprocate along the axial direction of the yarn roller 11, and a slider 13 is fixedly provided on the bottom wall of the wire drum 1 for slidingly cooperating with the frame 10.

[0021] In one embodiment of the present application, a first motor 14 is fixedly provided on one side of the frame 10, and an output end of the first motor 14 is coaxially fixedly connected to the central axis of the yarn roller 11, and a chain transmission assembly 15 is connected between the yarn roller 11 and the screw rod 12.

[0022] In one embodiment of the present application, the chain transmission assembly 15 includes a driving sprocket 151, a driven sprocket 152 and a chain 153, the driving sprocket 151 is coaxially fixedly connected to the roller axis of the yarn roller 11, and the driven sprocket 152 is coaxially fixedly connected to the screw 12.

[0023] In one embodiment of the present application, the rotating cylinder 3 includes a rotating ring 30 and a driving ring 31, a plurality of limit shafts 21 are circumferentially fixed on one side of the fixed ring 2, a plurality of arc grooves 301 cooperating with the limit shafts are provided on the rotating ring 30, a plurality of connecting rods 32 are hingedly provided on the rotating ring 30, and one end of the connecting rod 32 away from the arc groove 301 is hingedly connected to the blade 4, a gear ring 310 is coaxially fixedly provided on the outer wall of the driving ring 31, a support ring 33 is coaxially fixedly provided inside the driving ring 31, a plurality of connecting plates 34 are fixedly provided between the outer wall of the support ring 33 and the inner wall of the driving ring 31, a plurality of mounting holes are provided on the side wall of the support ring 33, the clamping rods 5 are matched with the mounting holes one by one, and a clamping head is fixedly provided at the end of the clamping rods 5 close to each other 51. A compression spring 52 is provided between the clamping head 51 and the support ring 33. The compression spring 52 is sleeved on the clamping rod 5. A pull rope assembly 6 is connected between the connecting rod 32 and one end of the clamping rod 5 passing through the support ring 33. Specifically, the cable 100 passes through the driving ring 31, the rotating ring 30 and the fixed ring 2 in sequence. When the ring gear 310 rotates, in the initial state, the blade 4 and the clamping rod 5 are in a separated state, and the ring gear 310 drives the driving ring 31 to rotate clockwise, and the driving ring 31 drives the rotating ring 30 to rotate relative to the fixed ring 2. Due to the cooperation between the arc groove 301 and the limit shaft 21, the rotating ring 30 drives the blade 4 to rotate counterclockwise through the connecting rod 32, and multiple blades 4 gather together to cut off the damaged yarn heads exposed outside the fixed ring 2.

[0024] In one embodiment of the present application, the pull rope assembly 6 includes a plurality of guide rope wheels 61 installed on the inner wall of the driving ring 31, a pull rope 62 and a positioning rod 63 fixed to one side of the connecting rod 32. The clamping rod 5 passes through one end of the support ring 33 and is fixedly provided with a rope ring 50. One end of the pull rope 62 is fixedly connected to the rope ring 50, and the other end of the pull rope 62 is fixedly connected to the positioning rod 63. Specifically, when the rotating ring 30 rotates clockwise, the rotating ring 30 drives the connecting rod 32 to move, and the connecting rod 32 drives the positioning rod 63 to move synchronously. The pull rope 62 begins to loosen, and the compression spring 52 is reset, so that the clamping heads 51 gather together to clamp the complete cable head, which is convenient for the staff to find and use.

[0025] In one embodiment of the present application, a horizontal plate 101 is integrally fixedly provided below the wire drum 1, a second motor 102 is fixedly provided on the horizontal plate 101, a driving gear 103 is fixedly provided on the output end of the second motor 102, and the driving gear 103 is meshingly connected with the ring gear 310. Specifically, when the second motor 102 drives the gear 103 to rotate clockwise, the driving gear 103 drives the ring gear 310 to rotate counterclockwise, the ring gear 310 drives the driving ring 31 to rotate counterclockwise, the driving ring 31 drives the rotating ring 30 to rotate counterclockwise, and the rotating ring 30 drives the blade to rotate counterclockwise through the connecting rod 32 to gather together to cut off the yarn end. At the same time, the pull rope 62 begins to loosen, the compression spring 52 resets, and the clamping rod 5 quickly clamps the complete yarn end located in the support ring 33 after cutting along the radial direction of the support ring 33, so that the staff can find it for use next time.

[0026] In one embodiment of the present application, the number of the blades 4 and the clamping rods 5 is at least three.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A yarn end cutting device, characterized in that: It includes a wire discharging drum, a fixed ring and a rotating drum, wherein the fixed ring is fixed to one side of the wire discharging drum, the rotating drum is installed on the side of the fixed ring away from the wire discharging drum and can rotate relative to the fixed ring, a plurality of blades are hingedly provided at the central opening of the fixed ring, a plurality of clamping rods are circumferentially installed in the rotating drum, the plurality of blades gather together to cut the yarn, and at the same time, the plurality of clamping rods are driven to move along the radial direction of the rotating drum to clamp the yarn head.

2. A yarn end cutting device according to claim 1, characterized in that: The wire discharging drum is slidably mounted on a frame on which a yarn roller is rotatably mounted. A screw rod for driving the wire discharging drum to reciprocate along the axial direction of the yarn roller is rotatably provided on the frame, and a slider slidably matched with the frame is fixedly provided on the bottom wall of the wire discharging drum.

3. A yarn end cutting device according to claim 2, characterized in that: A first motor is fixedly provided on one side of the frame, an output end of the first motor is fixedly connected coaxially with the central axis of the yarn roller, and a chain transmission assembly is connected between the yarn roller and the screw rod.

4. A yarn end cutting device according to claim 3, characterized in that: The chain transmission assembly comprises a driving sprocket, a driven sprocket and a chain. The driving sprocket is fixedly connected to the roller shaft of the yarn roller coaxially, and the driven sprocket is fixedly connected to the screw rod coaxially.

5. The yarn end cutting device according to claim 1, characterized in that: The rotating cylinder includes a rotating ring and a driving ring, a plurality of limit shafts are fixedly provided circumferentially on one side of the fixing ring, a plurality of arc grooves matching with the limit shafts are opened on the rotating ring, a plurality of connecting rods are hingedly provided on the rotating ring, and one end of the connecting rod away from the arc groove is hinged to the blade, a gear ring is fixedly provided coaxially on the outer wall of the driving ring, a support ring is fixedly provided coaxially inside the driving ring, a plurality of mounting holes are opened on the side wall of the support ring, the clamping rods are matched with the mounting holes one by one, a clamping head is fixedly provided at one end of the clamping rods close to each other, a compression spring is provided between the clamping head and the support ring, the compression spring is sleeved on the clamping rod, and a pull rope assembly is connected between the connecting rod and one end of the clamping rod passing through the support ring.

6. A yarn end cutting device according to claim 5, characterized in that: The pull rope assembly includes a plurality of guide rope wheels installed on the inner wall of the driving ring, a pull rope and a positioning rod fixed to one side of the connecting rod. The clamping rod passes through one end of the support ring and is fixed with a rope ring. One end of the pull rope is fixedly connected to the rope ring, and the other end of the pull rope is fixedly connected to the positioning rod.

7. The yarn end cutting device according to claim 5, characterized in that: A horizontal plate is integrally fixedly provided below the wire drum, a second motor is fixedly provided on the horizontal plate, a driving gear is fixedly provided at an output end of the second motor, and the driving gear is meshingly connected with the gear ring.

8. The yarn end cutting device according to claim 1, characterized in that: The number of the blades and the clamping rods is at least three.

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