CN216807636U - Wire breaking structure for rewinding machine - Google Patents

Abstract

The utility model discloses a wire breaking structure for a rewinding machine, and aims to overcome the defect of wire explosion caused by the fact that a silk thread is reversely coiled under the stress action of an instrument in the previous step after the existing rewinding machine finishes cutting. The utility model discloses an including wire piece and guide cylinder, be equipped with shutdown mechanism and clamping mechanism in the guide cylinder, shutdown mechanism includes the cutting rod that sets up along the radial direction of guide cylinder, the tip of cutting rod is equipped with the cutting edge, cut off pole elastic connection guide cylinder, clamping mechanism includes the clamping bar, the tip of clamping bar is equipped with the clutch blocks that advances line location to the line, the part that the clamping bar stretches out the guide cylinder is equipped with the grab handle, clamping bar elastic connection guide cylinder, the guide cylinder is equipped with the direction slot hole between cutting rod and clamping bar, it has the locating pin to slide in the direction slot hole, the middle part of cutting rod corresponds the locating pin and is equipped with the direction scarf, the clamping bar corresponds the locating pin and is equipped with the constant head tank. The wire breaking and clamping structure are linked, and the wire explosion condition can not occur.

Description

Wire breaking structure for rewinding machine

Technical Field

The present invention relates to the field of rewinding of threads, and more particularly it relates to a thread breakage structure for a rewinding machine.

Background

After the existing rewinding machine finishes cutting, the silk threads are reversely coiled under the stress action of the instruments in the previous step to cause 'thread explosion', so that the silk threads are separated from the positioning and guiding structure, the silk threads need to be pressed into the guiding mechanism again, and the working efficiency is reduced. Since the device mainly winds extremely fine wires, the enameled wires with very small diameters can be damaged in the process described above, so that the insulation effect is affected, and a quality inspection process needs to be added again in the subsequent steps.

The utility model aims to realize an automatic locking structure for wire breakage, namely wire clamping, and avoid the phenomenon of wire explosion.

Disclosure of Invention

The utility model overcomes the defect that the silk thread can be reversely coiled under the stress action of the apparatus in the previous step after the existing rewinding machine finishes cutting off, so that the thread is broken, and provides the thread breaking structure for the rewinding machine, which can realize the thread breaking, namely the thread clamping, and avoid the phenomenon of thread breakage.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a broken string structure for rewinding machine, including wire piece and guide cylinder, be equipped with shutdown mechanism and clamping mechanism in the guide cylinder, shutdown mechanism includes the pole of cutting off that sets up along the radial direction of guide cylinder, the tip of cutting off the pole is equipped with the cutting edge, cut off pole elastic connection guide cylinder, clamping mechanism includes the clamping rod, the tip of clamping rod is equipped with the clutch blocks that advances line location, the part that the clamping rod stretches out the guide cylinder is equipped with the grab handle, clamping rod elastic connection guide cylinder, the guide cylinder is equipped with the direction slot hole between cutting off pole and clamping rod, it has the locating pin to slide in the direction slot hole, the middle part of cutting off the pole corresponds the locating pin and is equipped with the direction scarf, the clamping rod corresponds the locating pin and is equipped with the constant head tank.

The working principle of the structure is as follows: the wire enters the guide cylinder and is released from the guide cylinder to be wound by a new spool. After the spool has been wound, it is necessary to cut the wire and replace it with a new spool. The cutting rod is pressed to overcome the action of the elastic part and produce radial displacement relative to the guide cylinder, and the cutting edge cuts off the silk thread. In the displacement process of the cutting rod, the cutting rod can not support the positioning pin any more due to the action of the guide wedge surface, and the positioning pin falls under the action of gravity. The locating pin no longer corresponds with the constant head tank, and the trapping mechanism no longer receives the spacing of locating pin, at the effect of elastic component, produces the removal equally, and the tight and location of silk thread are pressed from both sides to the butt silk thread through the clutch blocks realization of its tip. The steps of resetting to the continuous motion state of the silk thread are as follows: firstly, the wire clamping rod is pulled to the initial position and is kept, and then the cutting rod is pulled to the zero position, so that the positioning pin is clamped into the positioning groove again. Then the mechanical work is performed before the yarn feeding, the silk yarn naturally hangs down, and the silk yarn discharged from the outlet of the guide cylinder is wound on a new bobbin to complete the work of the yarn changing cylinder.

Preferably, the wire guide block is also rotatably connected with a wire guide wheel, and the two ends of the wire guide wheel in the axial direction are large and the middle is small. The structure prevents the wire from deviating from the wire guide wheel due to deviation of the wire from two sides.

Preferably, the axial direction of the guide cylinder is tangential to the wire guide wheel. The structure ensures that the silk thread can not generate friction with the opening of the guide cylinder, so that the silk thread can not be abraded.

Preferably, the cutting lever includes a grip, a first abutment block that abuts on an inner wall of the guide cylinder, and a blade, and a first elastic member that tends to spring the cutting lever outward is provided between the cutting lever and the guide cylinder. The structure realizes the elastic connection structure of the cutting rod and the guide cylinder.

As preferred, the guide cylinder corresponds the trapping mechanism and is equipped with the trapping hole, and the trapping hole is equipped with the stopper in the position that is close to the outer wall, is equipped with second butt piece on the trapping mechanism, is equipped with the second elastic component between stopper and the second butt piece, and the second elastic component tends to inwards pop out the trapping mechanism. The wire clamping rod is also provided with a grab handle, and the guide cylinder is provided with an avoiding groove corresponding to the grab handle, so that a hand can more easily extend into the guide cylinder, and the grab handle is held. The structure realizes the elastic connection structure of the wire clamping rod and the guide cylinder.

Preferably, a cutting seat is arranged on the inner wall of the guide cylinder opposite to the blade, and the cutting seat is matched with the blade to cut the silk thread. The structure can cut off the silk thread more accurately, so that the cut-off cut has smaller broken surface and less burrs.

Preferably, the guide cylinder is formed by fixedly connecting a left half block and a right half block through fasteners, and the two half blocks form a wire clamping hole and a containing cavity for containing the cutting rod. The structure realizes the installation of the cutting and wire clamping structure.

Compared with the prior art, the utility model has the beneficial effects that: (1) the wire breaking and clamping structure is linked, so that the wire explosion condition can not occur; (2) the structure is simple to operate and reset.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view taken at FIG. 1A;

FIG. 3 is a schematic view of the movement of the blade and cutting block of the present invention;

FIG. 4 is an enlarged view at FIG. 1B;

in the figure:

the thread guide device comprises a lead block 1, a guide cylinder 2, a cutting rod 3, a blade 4, a friction block 5, a thread clamping rod 6, a guide long hole 7, a positioning pin 8, a grab handle 9, a thread guide wheel 10, a guide wedge surface 11, a positioning groove 12, a first butt joint block 13, a first elastic piece 14, a thread clamping hole 15, a limiting block 16, a second butt joint block 17, a second elastic piece 18, a cutting seat 19 and a half block 20.

Detailed Description

The present disclosure is further described with reference to the following drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.

In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.

Example (b):

a wire breaking structure for a rewinding machine comprises a wire block 1 and a guide cylinder 2, wherein a cutting mechanism and a wire clamping mechanism are arranged in the guide cylinder 2, the cutting mechanism comprises a cutting rod 3 arranged along the radial direction of the guide cylinder 2, the cutting rod 3 comprises a grab handle 9, a first abutting block 13 and a cutting edge 4, the first abutting block 13 abuts against the inner wall of the guide cylinder 2, and a first elastic piece 14 tending to eject the cutting rod 3 outwards is arranged between the cutting rod 3 and the guide cylinder 2. The structure realizes the elastic connection structure of the cutting rod 3 and the guide cylinder 2. The cutting rod 3 is elastically connected with the guide cylinder 2. As shown in fig. 3, a cutting seat 19 is provided at a position of the inner wall of the guide cylinder 2 facing the blade 4, and the cutting seat 19 cuts the thread in cooperation with the blade 4. The structure can cut off the silk thread more accurately, so that the cut-off cut has smaller broken surface and less burrs.

The wire clamping mechanism comprises a wire clamping rod 6, a friction block 5 for positioning the wire is arranged at the end part of the wire clamping rod 6, a grab handle 9 is arranged at the part, extending out of the guide cylinder 2, of the wire clamping rod 6, the wire clamping rod 6 is elastically connected with the guide cylinder 2, a guide long hole 7 is formed in the guide cylinder 2 between the cutting rod 3 and the wire clamping rod 6, a positioning pin 8 slides in the guide long hole 7, a guide wedge surface 11 is arranged in the middle of the cutting rod 3 corresponding to the positioning pin 8, and a positioning groove 12 is formed in the wire clamping rod 6 corresponding to the positioning pin 8. Guide cylinder 2 corresponds wire clamping rod 6 and is equipped with wire clamping hole 15, and wire clamping hole 15 is equipped with stopper 16 near the outer wall position, is equipped with second butt piece 17 on the wire clamping rod 6, is equipped with second elastic component 18 between stopper 16 and the second butt piece 17, and second elastic component 18 tends to inwards pop out wire clamping rod 6. The wire clamping rod 6 is also provided with a grab handle 9, the guide cylinder 2 is provided with an avoiding groove corresponding to the grab handle 9, so that a hand can more easily extend into the avoiding groove, and the grab handle 9 is held. The structure realizes the elastic connection structure of the wire clamping rod 6 and the guide cylinder 2.

The wire guide wheel 10 is also rotatably connected to the wire block 1, and the wire guide wheel 10 has two ends which are large and the middle which is small in the axial direction. This construction prevents the wire from being deflected out of the wire guide wheel 10 by being deflected from both sides. The axial direction of the guide cylinder 2 is tangential to the thread guide wheel 10. The structure prevents the thread from rubbing against the opening of the guide cylinder 2, so that the thread is not worn.

As shown in FIG. 2, the guide cylinder 2 is formed by fixedly connecting a left half block 20 and a right half block 20 through a fastener, and the two half blocks 20 form a wire clamping hole 15 and a cavity for accommodating the cutting rod 3. The structure realizes the installation of the cutting and wire clamping structure.

The working principle of the structure is as follows: the thread enters the guide cylinder 2 and is released from the guide cylinder 2 to be wound by a new spool. After the spool has been wound, it is necessary to cut the wire and replace it with a new spool. The cutting rod 3 is pressed, the cutting rod 3 overcomes the action of the elastic piece, radial displacement relative to the guide cylinder 2 is generated, and the cutting edge 4 cuts the silk thread. During the displacement of the cutting rod 3, the cutting rod 3 can no longer support the positioning pin 8 due to the action of the guide wedge surface 11, and the positioning pin 8 falls under the action of gravity. The locating pin 8 no longer corresponds with the locating slot 12, and the thread clamping rod 6 no longer receives the spacing of locating pin 8, at the effect of elastic component, produces the removal equally, and the tight and location of silk thread is pressed from both sides to the butt silk thread through the clutch blocks 5 realization of its tip. The steps of resetting to the continuous motion state of the silk thread are as follows: the clamping lever 6 is pulled to the initial position and held, and then the cutting lever 3 is pulled to the zero position, so that the positioning pin 8 is snapped into the positioning groove 12 again. Then the mechanical work is performed before the yarn feeding, the silk yarn naturally hangs down, and the silk yarn discharged from the outlet of the guide cylinder 2 is wound on a new bobbin to complete the work of the yarn changing cylinder.

The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the utility model as set forth in the appended claims.

Claims (7)

1. The utility model provides a broken string structure for rewinding machine, which is characterized by, including wire piece and guide cylinder, be equipped with shutdown mechanism and trapping mechanism in the guide cylinder, shutdown mechanism includes the pole of cutting off that sets up along the radial direction of guide cylinder, the tip of cutting off the pole is equipped with the cutting edge, cut off pole elastic connection guide cylinder, trapping mechanism includes the trapping pole, the tip of trapping pole is equipped with the clutch blocks that advances line location, the part that the trapping pole stretches out the guide cylinder is equipped with the grab handle, trapping pole elastic connection guide cylinder, the guide cylinder is equipped with the direction slot hole between cutting off pole and trapping pole, it has the locating pin to slide in the direction slot hole, the middle part of cutting off the pole corresponds and is equipped with the direction scarf, the trapping pole corresponds the locating pin and is equipped with the constant head tank.

2. A wire breakage mechanism for a rewinding machine as claimed in claim 1, wherein the wire guide rollers are rotatably connected to the wire guide blocks, and the wire guide rollers have two ends that are larger and the middle that is smaller in the axial direction.

3. A wire breakage structure for a rewinding machine as claimed in claim 2, characterized in that the axial direction of the guide cylinder is tangential to the wire guide roller.

4. A wire cutting structure for a rewinding machine as claimed in claim 1, characterized in that the cutting bar comprises a grip, a first abutment and a blade, the first abutment abutting on the inner wall of the guide cylinder, a first elastic member being provided between the cutting bar and the guide cylinder tending to spring the cutting bar outwards.

5. A yarn breakage structure for a rewinding machine as claimed in claim 1, characterized in that the guide cylinder is provided with a yarn clamping hole corresponding to the yarn clamping lever, the yarn clamping hole is provided with a stopper at a position close to the outer wall, the yarn clamping lever is provided with a second abutment block, and a second elastic member is provided between the stopper and the second abutment block, the second elastic member tending to spring the yarn clamping lever inwardly.

6. The thread breakage structure for a rewinding machine as claimed in claim 4, wherein a cutting seat is provided on the inner wall of the guide cylinder at a position facing the blade, the cutting seat cooperating with the blade to cut the thread.

7. A wire cutting structure for a rewinding machine as claimed in any one of claims 1 to 6, characterized in that the guide cylinder is formed by a left half and a right half fixedly connected by a fastener, the two halves forming a wire clamping hole and a cavity for receiving the cutting rod.

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