KR102503968B1 - Thread cutting apparatus for hosiery knitting machine and knitting system with the same - Google Patents

Abstract

The present invention relates to a thread cutting apparatus and a hosiery knitting system with the same. The thread cutting apparatus of the present invention comprises: an apparatus main body unit; a stainless steel rod which has an end portion thereof connected to the apparatus main body unit and is empty therein; a thread injecting housing which has a thread injector where threads of socks are injected, is connected to the end portion of the stainless steel rod and provides a place where the threads of socks are cut; an automatic thread cutting unit which is provided in the apparatus main body unit, the stainless steel rod and the thread injecting housing, and automatically cuts the threads injected into the thread injector of the thread injecting housing; a corrugated pipe which is connected to the apparatus main body unit; and a vacuum suction device which is connected to an end portion of the corrugated pipe, generates a suction force by actions of a controller to have the thread automatically injected into the thread injector, while the thread cut by the automatic thread cutting unit is collected through the stainless steel rod, the apparatus main body unit and the corrugated pipe. The purpose of the present invention is to provide a thread cutting apparatus and a hosiery knitting system with the same which can effectively remove threads of knitted socks, improve productivity with streamlined processes to increase quality of socks.

Description

Thread cutting apparatus for hosiery knitting machine and knitting system with the same}

The present invention relates to a yarn tail cutting device and a sock knitting machine having the same, and more specifically, it is a compact but efficient structure capable of effectively removing, that is, cutting, the yarn tail of a knitted sock, thereby simplifying the process It relates to a yarn tail cutting device and a sock knitting machine having the same, which can contribute to improving productivity and improve the quality of socks.

Socks can be divided into plain fabric socks, which are knitted in a single layer like men's socks, and three-dimensional pile fabric socks, in which sock yarn is vertically threaded on top of a single layer, like sports socks.

These plain fabric socks and pile fabric socks are knitted in socks knitting machines having different structures. For example, plain fabric socks may be woven through the knitting machine of FIG. 1 and pile fabric socks may be woven through the knitting machine of FIG. 2 . Of course, recently, a knitting machine has been developed that allows plain fabrics and pile fabrics to be commonly knitted in one machine.

On the other hand, in any machine, immediately after socks knitting is completed, thread tails (or referred to as 'stitches') must be removed, that is, cut, so that the quality of socks can be improved. That is, as shown in FIG. 3, the thread tail that can remain in the sock is removed (cut) and made as shown in FIG. 4, so that the quality of the product can be improved and the product value can be increased.

However, as shown in FIGS. 3 to 4, the work of removing (cutting) the thread tail that can remain in the sock has been carried out manually using scissors so far, so the efficiency is not good and the productivity is inevitably reduced. Technology development is required to do this.

Korean Intellectual Property Office Application No. 10-2007-0050809 Korean Intellectual Property Office Application No. 10-2014-0044865 Korean Intellectual Property Office Application No. 20-2000-0014189 Korean Intellectual Property Office Application No. 20-2009-0016281

An object of the present invention is to effectively remove, that is, cut, the yarn tail of knitted socks with a compact but efficient structure, thereby simplifying the process to contribute to productivity improvement as well as to improve the quality of socks , To provide a yarn tail cutting device and a sock knitting machine having the same.

The above object, the device body portion; a stainless rod whose end is connected to the main body of the device and whose inside is empty; a thread tail insertion housing having a thread tail input hole into which a thread tail of a sock is inserted, but connected to an end of the stainless steel rod and providing a place where the thread tail of a sock is cut; an automatic thread tail cutting unit provided on the main body of the device, the stainless steel rod, and the thread tail input housing, and automatically cutting the thread tail introduced into the thread tail input port of the thread tail input housing; a corrugated pipe connected to the main body of the device; and is connected to an end of the corrugated pipe, and generates a suction force under the action of a controller so that the thread tail is automatically inserted into the thread tail inlet, while the thread tail cut by the thread tail automatic cutting unit is connected to the stainless steel rod and the main body of the device. It is achieved by a yarn tail cutting device of a hosiery knitting machine, characterized in that it comprises a vacuum suction device to be collected through the part and the corrugated pipe.

The automatic thread tail cutting unit may include: a thread tail guide disposed adjacent to the thread tail inlet in the thread tail input housing and having a plurality of concave-convex portions formed at an end portion of the thread tail input to spread the thread tail; a thread tail cutter disposed adjacent to the thread tail guide and having a tooth cutter cutting the thread tail while reciprocating; a cutter guide block for guiding motion of the thread-tail cutter; a shaft connected to the thread tail cutter and reciprocating the thread tail cutter; and a motor provided in the main body of the device, connected to the shaft, and driving the shaft, wherein a boss is connected to the shaft, and a boss coupling portion to which the boss is coupled is formed in the thread tail cutter. The input housing may include a pair of disassembled and assembled first and second housing parts.

On the other hand, the above object, a sock knitting device having an input unit and knitting socks; a thread tail cutting device that is connected to the sock knitting device and automatically cuts a thread tail that may remain in the sock during socks knitting; and the sock knitting device and the thread tail cutting device connected to the sock knitting device and the thread tail cutting device so that the thread tail that may remain in the sock is automatically cut in the process of knitting the sock through the sock knitting device. It is also achieved by a sock knitting machine characterized in that it includes a controller for controlling the operation of the tail cutting device.

The thread tail cutting device includes: a device main body; a stainless rod whose end is connected to the main body of the device and whose inside is empty; a thread tail insertion housing having a thread tail input hole into which a thread tail of a sock is inserted, but connected to an end of the stainless steel rod and providing a place where the thread tail of a sock is cut; an automatic thread tail cutting unit provided on the main body of the device, the stainless steel rod, and the thread tail input housing, and automatically cutting the thread tail introduced into the thread tail input port of the thread tail input housing; a corrugated pipe connected to the main body of the device; and is connected to an end of the corrugated pipe, and generates a suction force under the action of the controller so that the thread tail is automatically inserted into the thread tail input port, while the thread tail cut by the thread tail automatic cutting unit is the stainless steel rod and the device It may include a body part and a vacuum suction device to be collected through the corrugated pipe.

The automatic thread tail cutting unit may include: a thread tail guide disposed adjacent to the thread tail inlet in the thread tail input housing and having a plurality of concave-convex portions formed at an end portion of the thread tail input to spread the thread tail; a thread tail cutter disposed adjacent to the thread tail guide and having a tooth cutter cutting the thread tail while reciprocating; a cutter guide block for guiding motion of the thread tail cutter; a shaft connected to the thread tail cutter and reciprocating the thread tail cutter; and a motor provided in the main body of the device, connected to the shaft, and driving the shaft.

A boss is connected to the shaft, and a boss coupling part to which the boss is coupled is formed in the thread tail cutting device, and the thread tail input housing may include a pair of first and second housing parts that can be disassembled and assembled.

According to the present invention, the thread tail of knitted socks can be effectively removed, that is, cut, with a compact but efficient structure, which simplifies the process, thereby contributing to productivity improvement as well as improving the quality of socks. there is

1 is a perspective view showing a knitting unit of a general non-woven sock knitting machine.
2 is a perspective view showing a knitting unit of a general pile fabric hosiery knitting machine.
3 is an image of a sock in which the thread tail is not removed (cut).
4 is an image of socks from which thread tails have been removed (cut).
5 is an image of a sock knitting machine according to an embodiment of the present invention.
6 and 7 are views showing FIG. 5 from different angles.
8 is an image of a thread tail cutting device.
9 and 10 are enlarged views of regions A and B of FIG. 8 .
11 is a perspective view of the thread tail cutting device with the corrugated pipe removed.
FIG. 12 is a view of FIG. 11 from another angle.
Fig. 13 is an enlarged view of the tail input housing area.
14 is an image of the process of inputting the thread tail into the thread tail input port of the thread tail input housing.
15 to 17 are diagrams of the internal structure of the tail loading housing area.
18 is an enlarged view of the thread tail cutter.
19 is a control block diagram of a hosiery knitting machine according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention.

However, since the description of the present invention is only an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiments described in the text.

For example, it should be understood that the embodiments may be changed in various ways and may have various forms, so that the scope of the present invention includes equivalents capable of realizing the technical idea.

In addition, the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, so the scope of the present invention should not be construed as being limited thereto.

In this specification, this embodiment is provided to complete the disclosure of the present invention, and to completely inform those skilled in the art of the scope of the invention to which the present invention belongs. And the invention is only defined by the scope of the claims.

Thus, in some embodiments, well-known components, well-known operations and well-known techniques have not been described in detail to avoid obscuring the interpretation of the present invention.

On the other hand, the meaning of the terms described in the present invention is not limited to the dictionary meaning, and should be understood as follows.

It should be understood that when an element is referred to as being “connected” to another element, it may be directly connected to the other element, but other elements may exist in the middle. On the other hand, when an element is referred to as being “directly connected” to another element, it should be understood that no intervening elements exist. Meanwhile, other expressions describing the relationship between components, such as “between” and “immediately between” or “adjacent to” and “directly adjacent to” should be interpreted similarly.

Singular expressions should be understood to include plural expressions unless the context clearly dictates otherwise, and terms such as “comprise” or “having” refer to a described feature, number, step, operation, component, part, or It should be understood that it is intended to indicate that a combination exists, and does not preclude the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless defined otherwise.

Terms defined in commonly used dictionaries should be interpreted as consistent with meanings in the context of the related art, and cannot be interpreted as having ideal or excessively formal meanings unless explicitly defined in the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the description of the embodiments, the same reference numerals are given to the same components, and sometimes the description of the same reference numerals is omitted.

5 is an image of a sock knitting machine according to an embodiment of the present invention, FIGS. 6 and 7 are views showing FIG. 5 from different angles, FIG. 8 is an image of a thread tail cutting device, and FIGS. 9 and 10 are views of FIG. Fig. 8 is an enlarged view of regions A and B, Fig. 11 is a perspective view of the thread tail cutting device with the corrugated pipe removed, Fig. 12 is a view showing Fig. 11 from another angle, and Fig. 13 is an enlarged view of the thread tail input housing region. 14 is an image of the process of inputting the thread tail into the thread tail input port of the thread tail input housing, FIGS. 15 to 17 are diagrams of the internal structure of the thread tail input housing area, FIG. 18 is an enlarged view of the thread tail cutter, and FIG. It is a control block diagram of a sock knitting machine according to an embodiment of the invention.

Referring to these drawings, the present invention is a compact but efficient structure that can effectively remove, that is, cut the thread tail of knitted socks, thereby simplifying the process and contributing to productivity improvement as well as improving the quality of socks allow it to rise.

The present invention capable of providing such an effect may be applied to the thread tail cutting device 120 and the sock knitting machine 100 as shown in FIGS. 5 to 7 including the thread tail cutting device 120.

The sock knitting machine 100 includes a sock knitting device 110 for knitting socks, and a thread tail cutting device 120 that is connected to the sock knitting device 110 and automatically cuts the thread tails that may remain in the sock during socks knitting. can include

The socks knitting device 110 refers to a series of devices for knitting socks substantially in the form of FIGS. 3 and 4 or equivalent thereto. The sock knitting device 110 may be implemented with a combination of various configurations and parts. The detailed configuration of the sock knitting device 110 refers to known technologies.

On the other hand, as described above, immediately after socks knitting is completed, thread tails (or also referred to as 'stitches') must be removed, that is, cut, so that the quality of socks can be improved. That is, as shown in FIG. 3, the thread tail that can remain in the sock is removed (cut) and made as shown in FIG. 4, so that the quality of the product can be improved and the product value can be increased. To this end, the yarn tail cutting device 120 is applied to the sock knitting machine 100.

The thread tail cutting device 120 is connected to the sock knitting device 110 and serves to automatically cut the thread tail that may remain in the sock during socks knitting. It can be seen that the thread tail cutting device 120 is assembled at the upper center of the sock knitting device 110.

The thread tail cutting device 120 includes a device main body 130, a stainless steel rod 140 whose end is connected to the device main body 130 and whose inside is empty, and a thread tail inlet 153 into which the thread tail of a sock is inserted. ), but connected to the end of the stainless rod 140 and providing a place where the thread tail of the sock is cut, the device main body 130, the stainless rod 140, and the thread tail input Provided in the housing 150, an automatic thread tail cutting unit 160 that automatically cuts the thread tail input through the thread tail input port 153 of the thread tail input housing 150, and a corrugated pipe connected to the device main body 130 171 and a vacuum aspirator 172 connected to the end of the corrugated pipe 171.

The device main body 130 includes the corrugated pipe 171 and forms a place where the motor 165 is mounted. In addition, the stainless rod 140 is connected to the device main body 130.

The tail loading housing 150 includes a pair of first and second housing parts 151 and 152 that can be disassembled and assembled. Therefore, as shown in FIGS. 15 to 17 , some components forming the automatic thread tail cutting unit 160 may be installed into the thread tail input housing 150 .

The thread tail inlet 153 formed in the thread tail input housing 150 has a straight structure rather than a circular shape. For this reason, it is good for inputting several strands of yarn tails.

Although the vacuum aspirator 172 is not shown in detail, the vacuum aspirator 172 generates a suction force under the action of the controller 180 so that the thread tail is automatically inserted into the thread tail input port 153 (see FIG. 14). The thread tail cut by the thread tail automatic cutting unit 160 serves to be collected through the stainless rod 140, the device main body 130, and the corrugated pipe 171.

The thread tail automatic cutting unit 160 is substantially a means for automatically cutting the thread tail. The automatic thread tail cutting unit 160 is disposed adjacent to the thread tail input port 153 in the thread tail input housing 150, and has a plurality of concave-convex portions 161a formed at the end of the thread tail to spread the thread tail to be introduced. The guide 161 and the thread tail cutter 162 having a toothed cutter 162a disposed adjacent to the thread tail guide 161 and reciprocating to cut the thread tail, and motion of the thread tail cutter 162 A cutter guide block 163 for guiding the thread, a shaft 164 connected to the thread tail cutter 162 and reciprocating the thread tail cutter 162, and a shaft 164 provided on the device main body 130 It is connected to and may include a motor 165 that drives the shaft 164.

At this time, the boss 164a is connected to the shaft 164, and the boss coupling portion 162b to which the boss 164a is coupled to the tail cutter 162 is formed. Therefore, the shaft 164 and the thread tail cutter 162 move as one body. Accordingly, when the motor 165 is driven to pull or push the shaft 164, the thread tail cutter 162 is guided by the shaft 164. It can reciprocate in the direction of the arrow 18, and thus the thread tail guided by the thread tail guide 161 can be cut by the toothed cutter 162a of the reciprocating thread tail cutter 162. Of course, although not shown in detail, a gearbox (not shown) may be provided between the motor 165 and the shaft 164 to convert the rotational motion of the motor 165 into forward and backward linear motion of the shaft 164. , which is omitted for convenience.

Meanwhile, in the sock knitting machine 100 according to the present embodiment, an input unit 190 and a controller 180 are applied to automatically knit socks using yarn and to control knitted socks so that there are no thread tails.

The input unit 190 is provided on the table 111 of the sock knitting device 110 for knitting socks. The input unit 190 may be in the form of a button or a touch screen type.

The controller 180 is connected to the sock knitting device 110 and the thread tail cutting device 120, and in the process of knitting the sock through the sock knitting device 110, the thread tail that may remain in the sock is the thread tail cutting device 120. ) is automatically cut to control the operation of the sock knitting device 110 and the thread tail cutting device 120.

The controller 180 performing this role may include a central processing unit 181 (CPU), a memory 182 (MEMORY), and a support circuit 183 (SUPPORT CIRCUIT).

The central processing unit 181 is connected to the sock knitting device 110 and the thread tail cutting device 120 in this embodiment, and in the process of knitting socks through the sock knitting device 110, the thread tails that may remain in the socks It may be one of various computer processors that can be applied industrially to control the operation of the sock knitting device 110 and the thread tail cutting device 120 so that the thread tail cutting device 120 is automatically cut.

The memory 182 (MEMORY) is connected to the central processing unit 181. Memory 182 is a computer-readable recording medium that can be installed locally or remotely, and is readily available, such as, for example, random access memory (RAM), ROM, floppy disk, hard disk, or any other form of digital storage. It may be at least one memory.

The support circuit 183 (SUPPORT CIRCUIT) is coupled with the central processing unit 181 to support typical operations of the processor. This support circuit 183 may include a cache, a power supply, a clock circuit, an input/output circuit, a subsystem, and the like.

In this embodiment, the controller 180 is connected to the sock knitting device 110 and the thread tail cutting device 120, and in the process of knitting socks through the sock knitting device 110, the thread tails that can remain in the socks are thread tails. The operation of the sock knitting device 110 and the yarn tail cutting device 120 are controlled so that the cutting device 120 is automatically cut, and this series of control processes may be stored in the memory 182. Typically software routines may be stored in memory 182 . Software routines may also be stored or executed by other central processing units (not shown).

Although processes according to the present invention have been described as being executed by software routines, it is possible that at least some of the processes of the present invention are performed by hardware. As such, the processes of the present invention may be implemented in software running on a computer system, or in hardware such as an integrated circuit, or in a combination of software and hardware.

Hereinafter, the operation of the sock knitting machine 100 will be described.

In the process of knitting socks through the sock knitting device 110, the thread tail cutting device 120 automatically removes, that is, cuts the thread tails (also referred to as 'stitches') attached to the socks. First, the vacuum suction machine 172 ) generates a suction force by the action of the controller 180. Since the suction force is formed in the thread tail input port 153 of the thread tail input housing 150 through the stainless rod 140, the thread tail is automatically inserted into the thread tail input port 153 as shown in FIG. 14.

Next, when the motor 165 is driven to pull or push the shaft 164, the thread tail cutter 162 can reciprocate in the direction of the arrow in FIG. 18 by the shaft 164, and thus the thread tail guide 161 The thread tail guided by the thread may be cut by the toothed cutter 162a of the thread tail cutter 162 reciprocating.

At this time, the cut thread tail pieces may be collected by the action of the vacuum suction machine 172. That is, since the vacuum is continuously formed through the vacuum suction device 172, the thread tails cut in the thread tail input housing 150 can be collected through the stainless rod 140, the device main body 130, and the corrugated pipe 171. there is.

According to the present embodiment, which operates based on the structure as described above, it is a compact but efficient structure that can effectively remove, that is, cut, the yarn tail of knitted socks, thereby simplifying the process and contributing to productivity improvement. In addition, it is possible to improve the quality of socks.

As such, the present invention is not limited to the described embodiments, and it is obvious to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Accordingly, it should be said that such modifications or variations fall within the scope of the claims of the present invention.

100: sock knitting machine 110: sock knitting machine
120: thread tail cutting device 130: device main body
140: Stainless rod 150: Thread input housing
151: first housing portion 152: second housing portion
153: thread tail inlet 160: thread tail automatic cutting unit
161: thread tail guide 161a: uneven portion
162: thread tail cutter 162a: tooth cutter
162b: boss coupling part 163: cutter guide block
164: shaft 164a: boss
165: motor 171: corrugated pipe
172: vacuum sucker 180: controller
190: input unit

Claims (6)

device body;
a stainless rod whose end is connected to the main body of the device and whose inside is empty;
a thread tail insertion housing having a thread tail input hole into which a thread tail of a sock is inserted, but connected to an end of the stainless steel rod and providing a place where the thread tail of a sock is cut;
an automatic thread tail cutting unit provided on the main body of the device, the stainless steel rod, and the thread tail input housing, and automatically cutting the thread tail introduced into the thread tail input port of the thread tail input housing;
a corrugated pipe connected to the main body of the device; and
It is connected to the end of the corrugated pipe, and a suction force is generated by the action of the controller so that the thread tail is automatically inserted into the thread tail input port, while the thread tail cut by the thread tail automatic cutting unit and a vacuum sucker for collecting the thread through the corrugated pipe.
According to claim 1,
The thread tail automatic cutting unit,
a thread tail guide disposed adjacent to the thread tail inlet in the thread tail input housing and having a plurality of concave-convex portions formed at an end thereof to spread the thread tail to be inserted;
a thread tail cutter disposed adjacent to the thread tail guide and having a tooth cutter cutting the thread tail while reciprocating;
a cutter guide block for guiding motion of the thread-tail cutter;
a shaft connected to the thread tail cutter and reciprocating the thread tail cutter; and
A motor provided in the main body of the device, connected to the shaft, and driving the shaft;
A boss is connected to the shaft, and a boss coupling portion to which the boss is coupled is formed in the tail cutter,
The yarn tail input housing includes a pair of first and second housing parts that can be disassembled and assembled.
A sock knitting device having an input unit and knitting socks;
a thread tail cutting device that is connected to the sock knitting device and automatically cuts a thread tail that may remain in the sock during socks knitting; and
It is connected to the sock knitting device and the thread tail cutting device, and controls the operation of the sock knitting device and the thread tail cutting device so that the thread tail that may remain in the sock is automatically cut in the process of knitting the sock through the sock knitting device. Including a controller that
The thread tail cutting device,
a device body; a stainless rod whose end is connected to the main body of the device and whose inside is empty; a thread tail insertion housing having a thread tail input hole into which a thread tail of a sock is inserted, but connected to an end of the stainless rod and providing a place where the thread tail of a sock is cut; an automatic thread tail cutting unit provided on the main body of the device, the stainless steel rod, and the thread tail input housing, and automatically cutting the thread tail introduced into the thread tail input port of the thread tail input housing; a corrugated pipe connected to the main body of the device; It is connected to the end of the corrugated pipe, and a suction force is generated by the action of the controller so that the thread tail is automatically inserted into the thread tail input hole, while the thread tail cut by the thread tail automatic cutting unit is used for the stainless steel rod and the device body. Hosiery knitting machine characterized in that it comprises a vacuum sucker to be collected through the part and the corrugated pipe.
delete According to claim 3,
The thread tail automatic cutting unit,
a thread tail guide disposed adjacent to the thread tail inlet in the thread tail input housing and having a plurality of concave-convex portions formed at an end thereof to spread the thread tail to be inserted;
a thread tail cutter disposed adjacent to the thread tail guide and having a tooth cutter cutting the thread tail while reciprocating;
a cutter guide block for guiding motion of the thread-tail cutter;
a shaft connected to the thread tail cutter and reciprocating the thread tail cutter; and
A hosiery knitting machine comprising a motor provided in the main body of the device, connected to the shaft, and driving the shaft.
According to claim 5,
A boss is connected to the shaft, and a boss coupling portion to which the boss is coupled is formed in the thread tail cutting device.
The sock knitting machine, characterized in that the yarn tail input housing includes a pair of first and second housing parts that can be disassembled and assembled.

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