KR102387623B1 - Manufacturing method of composite material ropes - Google Patents

Abstract

The present invention relates to a technology associated with a composite material rope which is connected to a frame that becomes a framework of various types of amusement facilities when building the amusement facilities so as to be used to construct nets in various shapes. The present invention relates to a method for manufacturing a composite material rope, characterized by comprising: a first step of twisting a plurality of yarns having the same color to form a first twisted yarn; a second step of twisting a plurality of yarns having two or more colors to form a second twisted yarn distinct from the first twisted yarn; a third step of forming one third twisted yarn using three strands of the first twisted yarns; a fourth step of forming one fourth twisted yarn using three strands of the second twisted yarn; a fifth step of twisting the plurality of third twisted yarns while allowing the same to wrap one first core cable to form a first cored twisted yarn; a sixth step of twisting the plurality of fourth twisted yarns while allowing the same to wrap around one second core cable to form a second cored twisted yarn distinct from the first cored twisted yarn; and a seventh step of twisting the plurality of first cored twisted yarns while allowing the same to wrap the second cored twisted yarn to form a multi-layer rope. According to the present invention, it is possible to provide a high-quality rope that is more uniform and is not easily untwisted.

Description

Manufacturing method of composite material ropes

The present invention is a technology related to a composite material rope used to construct a net in various shapes while being connected to a frame that becomes a skeleton when making various play facilities.

Rope is used in various amusement facilities, and is usually manufactured using synthetic resin or metal materials. And most of the ropes are provided as twisted ropes of the required diameter by twisting a number of strands.

The quality of the rope manufactured through the twisting method is only when the tensile force acting on each wire bundle is the same when forming a plurality of wire bundles, so that the wire bundles are properly twisted and a rope of a certain quality can be made.

And in the case of a rope for play facilities mainly used by children, it should have excellent load-bearing characteristics in consideration of safety, and at the same time should not cause skin damage such as abrasions even when children's skin comes into contact.

As a prior art related to the present invention, "a photoluminescent wire rope and its manufacturing method" of Korean Patent Registration No. 10-0937494 is known.

The manufacturing method in the prior art includes a process of mixing the phosphorescent pigment with a transparent or white synthetic resin that does not affect the afterglow due to mixing with the phosphorescent pigment, extruding the phosphorescent pigment, and forming a phosphorescent wire; A step of preparing a plurality of strands by twisting the strands, using any one of the plurality of strands as a central strand, and forming an outer layer of the remaining strands and a photoluminescent wire among the plurality of strands on the outer periphery of the central strand It consists of fixing which forms a phosphorescent wire rope by twisting it as a strand.

As such, in the case of the prior art, there was a problem in that the quality of the phosphorescent wire rope is not constant because the tension control is not made when the strand manufacturing process and the outer layer strands are twisted to the central strand using the bare wire.

Republic of Korea Patent Registration No. 10-0937494

Accordingly, in the present invention, a composite material rope is provided, and while having excellent durability, it is intended to propose a method for manufacturing a composite material rope that does not cause skin damage even when in contact with the body, and can maintain a constant quality.

A method for manufacturing a composite material rope of the present invention for achieving the above-mentioned problem, a first step of twisting a plurality of yarns having the same color to make a first twisted yarn; a second step of twisting a plurality of yarns having two or more colors to form a second twisted yarn distinct from the first twisted yarn; a third step of making one third twisted yarn from the three first twisted yarns; a fourth step of making one fourth twisted yarn from the three second twisted yarns; a fifth step of twisting the plurality of third twisted yarns while wrapping one first core cable to form a first cored twisted yarn; a sixth step of twisting the plurality of fourth twisted yarns while wrapping one second core cable to form a second cored twisted yarn distinguished from the first cored twisted yarn; and a seventh step of using a plurality of the first cored twisted yarns to make a multi-layer rope by twisting while wrapping one of the second cored twisted yarns.

Preferably, in the fifth and sixth steps, a tension adjuster is installed in the supply part of the third twisted yarn and the fourth twisted yarn so that the supplied individual strands can maintain the tension within a certain range, the tension adjuster, a disc-shaped guide plate having a winding groove in which the third twisted yarn and the fourth twisted yarn can be wound; a bearing installed in the center of the guide plate; a post axially connected to the bearing; a detector attached to one side of the guide plate; and a recognition sensor connected to the post to recognize the detection body, and calculating the rotational speed of the guide plate detected through the recognition sensor so that the plurality of third twisted yarns and fourth twisted yarns are It is characterized in that it can be supplied while maintaining a constant tension.

Preferably, in the seventh step, the second cored twisted yarn is rotated about a center axis to which the second cored twisted yarn is supplied, and a rotary is provided in which a plurality of first cored twisted yarn bundles are mounted, each of the first cored twisted yarns. The first cored twisted yarn is supplied while the yarns are rotated along a horizontal axis intersecting the center axis, and a band brake for tension adjustment is provided in each of the first cored twisted yarns to adjust the tension to the second core at a prescribed speed. It is characterized in that the one-core twisted yarn can be supplied.

Preferably, each of the first cored twisted yarn bundles is provided with a traction force measuring device for measuring a traction force acting due to the unwinding of the first cored twisted yarn, and as the band brake is operated according to the measured value of the traction force measuring device, the second It is characterized in that the 1-core twisted yarn can be supplied at an appropriate speed.

Preferably, in the seventh step, immediately before the first cored twisted yarns are wound around the second cored twisted yarn, the first cored twisted yarns pass through an induction section so that they can be guided to be bent for easy twisting. characterized in that

Preferably, the diameter of the second core cable is larger than that of the first core cable.

According to the present invention, in the third step of making one third twisted yarn from three first twisted yarns and the fourth step of making one fourth twisted yarn with three second twisted yarns, each of the first There is an effect that it is possible to provide a more uniform and high-quality rope that is not easily untied by twisting while maintaining a constant tension of the twisted yarn or the second twisted yarn.

In addition, in the seventh step, the second cored twisted yarn is supplied along the center axis, and a plurality of first cored twisted yarn bundles are mounted on a rotary that is rotated about the center axis, and each of the first cored twisted yarn bundles has a band break. is provided so that tension adjustment is possible, which has the effect of providing a high-quality rope.

1 is an exemplary view of the first step and the second step for the method for manufacturing a composite material rope according to the present invention.
2 is an exemplary view of the third and fourth steps of the present invention.
Figure 3 is an exemplary view of the fifth and sixth steps of the present invention.
Figure 4a is an exemplary view of the tension adjuster used in the fifth and sixth steps of the present invention.
Figure 4b is an example of a modified installation of the tension adjuster.
5 is an exemplary view of the seventh step of the present invention.
Figure 6 is an overall working process diagram of the composite material rope manufacturing method according to the present invention.

Hereinafter, a more detailed description of the method for manufacturing a composite rope according to the present invention will be made with reference to the accompanying drawings. However, the presented drawings and detailed descriptions thereof illustrate one possible example according to the technical idea of the present invention, and the technical protection scope of the present invention is not limited thereto.

Figure 1 is an exemplary view of the first and second steps for the method for manufacturing a composite material rope according to the present invention, Figure 2 is an exemplary view of the third and fourth steps of the present invention, Figure 3 is a view of the present invention It is an exemplary view of the fifth step and the sixth step, Figure 4a is an exemplary view of the tension adjuster used in the fifth step and the sixth step of the present invention, Figure 4b is a modified installation example of the tension adjuster, Figure 5 is It shows an exemplary view of the seventh step of the present invention, Figure 6 shows the overall working process diagram of the composite material rope manufacturing method according to the present invention.

As shown, the composite material rope manufacturing method according to the present application consists of a continuous process from the first step to the seventh step.

In the first step ( S100 ), a plurality of yarns 20 having the same color are twisted into one to make the first twisted yarn 100 . In the present embodiment, one first twisted yarn 100 is formed while supplying the 7-stranded nylon yarns 10, and the 7-stranded nylon yarns have the same color.

A twist inductor that allows the nylon yarn 10 to be released one by one from the seven yarn rolls 10A, and preferably, the seven nylon yarns are gathered on the upper side of the seven nylon yarn rolls 10A and moved while twisting. (20) to be prepared. The twisting conductor 20 is installed in the horizontal direction so that it can be rotated and the spiral groove 21 having continuity is formed on the outer surface so that the 7 strands of nylon yarn 10 naturally passes through the twisting conductor 20 during movement. Allow them to tangle with each other.

In the second step (S200), a second twisted yarn 200 distinct from the first twisted yarn 100 is made, and the second twisted yarn 200 is formed by twisting a plurality of yarns 10 having two or more colors. will make For example, the first twisted yarn 100 is manufactured with 7 black nylon yarns, and the second twisted yarn 200 is 2 twisted with 4 black nylon yarns and 3 white nylon yarns for a total of 7 strands. to make a company In the second step (S200), it is preferable to use the same twisted conductor 20 as in the first step (S100).

The first twisted yarn 100 and the second twisted yarn 200 are color-coded, and the first twisted yarn 100 having a single color is then used to manufacture the third twisted yarn 300, and has two or more colors. The second twisted yarn 200 is then used to manufacture the fourth twisted yarn 400 .

And, in this embodiment, although it is assumed that nylon yarn is used as the yarn, various synthetic resin materials may be used as the type of yarn.

In the third step (S300), one third twisted yarn 300 is made from 3 strands of the first twisted yarn 100, and in the fourth step (S400), one second twisted yarn 200 is made of 3 strands. A 4-twist yarn 400 is made. The third twisted yarn 300 and the fourth twisted yarn 400 are also distinguished from each other through color.

Subsequently, in the fifth step (S500), the integrated first cored twisted yarn 600 is made by using the plurality of third twisted yarns 300 and the first core cable 500 . The first cored twisted yarn 500 is supplied in the form of supplying a plurality of third twisted yarns 300 so as to be twisted while wrapping the first core cable 500 while supplying the first core cable 500 manufactured to have a predetermined diameter. ) to make That is, in the first cored twisted yarn 600 produced through the fifth step (S500), the first core cable 500 is disposed at the center and a plurality of third twisted yarns 300 are continuously supplied around it. While twisting, the first cored twisted yarn 600 having a predetermined diameter in the form of wrapping the first core cable 500 is made. Meanwhile, the first core cable 500 is preferably made of a metallic material, but other synthetic resin first core cables may be applied.

And in the sixth step (S600), a plurality of fourth twisted yarns 400 and the second core cable 700 are used to make an integrated second cored twisted yarn 800, and the second core cable ( While supplying 700), the second cored twisted yarn 800 is manufactured by supplying a plurality of fourth twisted yarns 400 while wrapping and twisting the second core cable 700. The second core cable 700 may also be made of a metallic material or a synthetic resin material, and in this embodiment, it is assumed that a metallic core cable is used for the first core cable and the second core cable.

In particular, in the fifth step (S500) and the sixth step (S600), a tension adjuster 50 is provided in the supply part of the third twisted yarn 300 and the fourth twisted yarn 400, so that each third twisted yarn 300 ) and the fourth twisted yarn 400 are continuously supplied while maintaining the tension within a certain range.

As shown in Fig. 4a, the tension adjuster 50 includes a guide plate 51, a bearing 52, a post 53, a detection body 54, and a recognition sensor 55. The guide plate 51 has a disk shape. A winding groove 51A is formed along the outer circumferential surface to form a shape so that the third twisted yarn 300 or the fourth twisted yarn 400 can pass through after being wound around the winding groove 51A for at least one turn.

The guide plate 51 must be rotated, and a predetermined bearing 52 is installed in the center of the guide plate 51 , and the guide plate 51 is connected to the post 53 to rotate. A shaft 56 connected to the bearing 52 is formed on one side of the post 53 so that the bearing 52 installed in the center of the guide plate 51 is fitted to the shaft 56 to rotate.

On the other hand, one detection body 54 is attached to one side of the guide plate 51 , and a recognition sensor 55 capable of recognizing the detection body 54 is provided on the post 53 in response thereto. (51) so that the number of revolutions can be counted.

Preferably, as shown in Fig. 4b, the tension adjuster utilizes a vertical frame (F) for efficient use of space so that a plurality of tension adjusters 50 are arranged vertically and horizontally so that it is suitable to be configured. The vertical frame itself functions as a post, and a recognition sensor corresponding to the detection body provided on each guide plate may be installed at an appropriate position of the vertical frame.

As such, in the present application, the plurality of third twisted yarns 300 and fourth twisted yarns 400 are continuously supplied, and the feed rates of the third twisted yarns 300 or the fourth twisted yarns 400 of each strand can be calculated. By doing so, the tension acting on all the supplied strands can be managed and maintained within a certain range. That is, the quality of the first cored twisted yarn 600 and the second cored twisted yarn 800 is improved by controlling the feed rates of all the strands of the third twisted yarn 300 or the fourth twisted yarn 400 used. It can be maintained consistently.

And as for the third twisted yarn 300 or the fourth twisted yarn 400 supplied by being wound in a roll state as in the present invention, the wound length per roll is determined according to a certain standard, and a plurality of third twisted yarns 300 B. By constantly controlling the supply speed of the fourth twisted yarn 400, it is possible to match the consumption of the third twisted yarn 300 and the fourth twisted yarn 400 wound on each roll as much as possible, so that the replacement timing of each roll By doing the same, there is an advantage in that it is possible to minimize the loss of the third twisted yarn 300 or the fourth twisted yarn 400 that is not used and is discarded.

On the other hand, more preferably, a leveling machine 60 for spreading the third twisted yarn or the fourth twisted yarn braided after the tension adjuster 50 in a straight line is provided, and the leveling machine 60 is a plurality of vertically staggered of the pressure roller, the lower pressure roller 61 is fixed at a certain position and the upper pressure roller 62 is configured so that the position adjustment can be made up and down, between the lower pressure roller 61 and the upper pressure roller 62 As the braided third twisted yarn or fourth twisted yarn passes, it receives an appropriate pressing force and passes through it while being uniformly spread.

Then, a first rotary 70 is provided that generates a twisting force after the leveling machine 60 and allows the high-quality first cored twisted yarn or the second cored twisted yarn to be manufactured while being pulled with a constant tension at the same time.

Specifically, the first rotary 70 rotates along a center axis, and a pair of tension forming rolls 80 are provided inside the first rotary to be rotatable along an intersecting axis orthogonal to the center axis. A plurality of guiding grooves are formed on the outer surface of the tension forming roll 80 so that the braided third twisted yarn or fourth twisted yarn passes through the guiding groove while being pulled taut, so that the first cored twisted yarn or the second core of a certain quality is passed through. Enables the production of de-coim yarn.

Subsequently, in the seventh step (S700), an integrated multi-layer rope 900 is made using the first cored twisted yarn 600 and the second cored twisted yarn 800, and the multi-layer rope 900 is the center It is manufactured by placing one second cored twisted yarn 800 on the pole and twisting the plurality of first twisted twisted yarns 600 around it.

More specifically, the second cored twisted yarn 800 is supplied around the center axis of the rotary (R) that rotates, and a plurality of first cored twisted yarns (K) are provided in the rotary (R), A predetermined first cored twisted yarn roll K1 is mounted on the one cored twisted yarn bundle K, and the first cored twisted yarn 600 is released as the first cored twisted yarn roll K1 is rotated.

That is, the first cored twisted yarn bundle (K) has a horizontal axis into which the first cored twisted yarn roll (K1) is fitted, and the horizontal axis is arranged in a direction crossing the center axis of the rotary (R). As the rotary R rotates about the center axis and at the same time the first core twisted yarn roll K1 is rotated along the horizontal axis and unwound, a twisting force is generated and a plurality of first core twisted yarns 800 are rotated around the second core twisted yarn 800. The cored twisted yarn 600 is twisted and wound into one body.

In particular, each of the first cored twisted yarn bundles (K) is provided with a band brake (B) for adjusting the tension of the unwound first cored twisted yarn 600, so that a plurality of first cored twisted yarns 600 is provided. It allows them to adjust their tension uniformly. The band brake (B) applies a friction force to be controlled within an appropriate range according to the rotational speed of the horizontal axis so that the tension of the first cored twisted yarn to be unwound can be adjusted.

More preferably, the first cored twisted yarn bundle (K) is provided with a traction force meter (not shown) for measuring the traction force acting due to the first cored twisted yarn 600 being unwound, so that the measured value of the traction force meter is provided. Accordingly, as the band brake B is operated, the first cored twisted yarn 600 can be supplied at an appropriate speed. The traction force meter controls the traction force within a certain range by using a means that can measure the traction force acting on the horizontal axis, for example, a strain gauge.

In addition, more preferably, an induction section (G) is provided as a way to facilitate twisting immediately before the first cored twisted yarns 600 are wound around the second cored twisted yarns 800, and the induction section (G) ) causes each of the first cored twisted yarns 600 to be bent to a predetermined curvature while passing along a predetermined path, so that they can be more smoothly and accurately wound around the second cored twisted yarn 800 .

In this guide section G, each of the first cored twisted yarns 600 is appropriately bent along a prescribed path using a plurality of rollers, and after passing, it can be wound around the second cored twisted yarn 800 at the correct position. in order to maximize the quality of the product.

On the other hand, the length of the induction section (G) can be varied, there is an advantage that the pitch of the first cored twisted yarn constituting the outer surface of the multi-layer rope to be completed through adjustment of the length of the induction section can be adjusted.

On the other hand, the first core cable 500 used to make the first cored twisted yarn 600 has a smaller dimension than the diameter of the second core cable 700 used to make the second cored twisted yarn 800 . is assumed to have That is, the diameter of the second core cable 700 is made larger than the diameter of the first core cable 500 , which means that the first core cable 500 is formed in the center of the first cored twisted yarn 600 . will be considered

The first cored twisted yarn 600 is twisted while wrapping the outer surface of the second cored twisted yarn 800, and when the diameter of the first core cable 500 is excessively large, the first cored twisted yarn 600 Since a lot of load is generated when forming , the first core cable 500 having a smaller diameter than the second core cable 700 is used.

According to the method for manufacturing a composite material rope of the present invention as described above, it is possible to provide a high-quality rope for play facilities that has excellent durability and prevents injuries such as abrasions even if the user makes physical contact with the rope when using the play facility. . That is, the first cored twisted yarn constituting the finally produced multi-layer rope includes the third twisted yarn. As the third twisted yarn uses nylon yarn, it has excellent durability and does not easily damage the skin even when in contact with the skin. There are characteristics.

And in the case of the present application, the tension of the third twisted yarn and the fourth twisted yarn supplied in the fifth and sixth steps, which have an important influence on the quality of the product, can be uniformly adjusted, and in the seventh step, the tension of the first cored coiled yarns By making this constant adjustment, it is always possible to produce a multilayer rope of constant quality.

The present invention is a technology that can be usefully utilized as a rope for a rope section that users can climb on or cross when constructing various amusement facilities.

S100: first step S200: second step
S300: 3rd step S400: 4th step
S500: 5th step S600: 6th step
S700: Step 7
10: yarn 10A: yarn roll
20: twisted conductor 21: spiral groove
100: first twisted yarn 200: second twisted yarn
300: third twisted yarn 400: fourth twisted yarn
500: first core cable 600: first core twisted yarn
700: second core cable 800: second core twisted yarn
900: multi-layer rope
50: tension adjuster 51: guide plate
51A: winding groove 52: bearing
53: post 54: detection body
55: recognition sensor 56: axis
60: leveling machine 70: first rotary
80: tension forming roll
R : Rotary K : 1st cored twisted yarn bundle
K1: 1st cored twisted yarn roll B: Band break
G: induction section

Claims (6)

A first step of twisting a plurality of yarns having the same color to make a first twisted yarn;
a second step of twisting a plurality of yarns having two or more colors to form a second twisted yarn distinct from the first twisted yarn;
a third step of making one third twisted yarn from the three first twisted yarns;
a fourth step of making one fourth twisted yarn from the three second twisted yarns;
a fifth step of twisting the plurality of third twisted yarns while wrapping one first core cable to form a first cored twisted yarn;
a sixth step of twisting the plurality of fourth twisted yarns while wrapping one second core cable to form a second cored twisted yarn distinct from the first cored twisted yarn;
A seventh step of wrapping and twisting one of the second cored twisted yarns using a plurality of the first cored twisted yarns to make a multi-layered rope; including,
The fifth step and the sixth step are,
A tension adjuster is installed in the supply part of the third twisted yarn and the fourth twisted yarn so that the supplied individual strands can maintain the tension within a certain range,
The tension adjuster,
a disc-shaped guide plate having a winding groove in which the third twisted yarn or the fourth twisted yarn can be wound;
a bearing installed in the center of the guide plate;
a post axially connected to the bearing;
a detector attached to one side of the guide plate;
and a recognition sensor connected to the post to recognize the detection body, and calculating the rotational speed of the guide plate detected through the recognition sensor so that the plurality of third twisted yarns and fourth twisted yarns are It should be supplied while maintaining a certain tension,
The third twisted yarn or the fourth twisted yarn braided after the tension adjuster is passed through a leveling device to be spread in a straight line,
After the leveling machine, a first twisting force is generated so that the third twisted yarn or the fourth twisted yarn can be twisted, and the first cored twisted yarn or the second cored twisted yarn is manufactured while being pulled with a constant tension. Rotary; composite material rope manufacturing method comprising a. delete The method of claim 1,
The seventh step is
The second cored twisted yarn is rotated about a center shaft to which the second cored twisted yarn is supplied, and a rotary is provided in which a plurality of first cored twisted yarn bundles are mounted, wherein each of the first cored twisted yarn bundles crosses the center shaft. The first cored twisted yarn is supplied while rotating along a horizontal axis of Composite material rope manufacturing method, characterized in that to be. 4. The method of claim 3,
Each of the first cored twisted yarn bundles is provided with a traction force measuring device for measuring a traction force acting due to the unwinding of the first cored twisted yarn, and the first core is operated while the band brake is operated according to the measured value of the traction force measuring device. Composite material rope manufacturing method, characterized in that the de twisted yarn can be supplied at an appropriate speed. According to any one of claims 1, 3, 4,
In the seventh step,
Composite material rope, characterized in that just before the first cored twisted yarns are wound around the second cored twisted yarn, the first cored twisted yarns are passed through an induction section to be guided to be bent for easy twisting. manufacturing method. 6. The method of claim 5,
The method for manufacturing a composite material rope, characterized in that the diameter of the second core cable is larger than the diameter of the first core cable.

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