KR20190094614A - Wire Tension-controllable Wire Saw - Google Patents

Abstract

According to the present invention, disclosed is a wire saw which comprises: a first drive rill; a tension control unit comprising N moving tension rills covering a wire input from the first drive rill and N fixed tension rills corresponding to the moving tension rills; a lower end guide rill; an upper end guide rill; and a second drive rill. The lower end guide rill comprises: a lower end unrotated frame into which a hole through which the wire passes is penetrated; a lower end rotated frame inserted into the lower end unrotated frame; a lower end wheel frame fixed to be coupled to both side surfaces of the lower end rotated frame; and a two-stage lower end wheel coupled to the lower end wheel frame to output the wire passing through the lower end unrotated frame and the lower end rotated frame in the direction of a lower end cutting hole of an object to be cut. Therefore, a cut surface of the object to be cut can be cleanly and regularly cut, and the wire can be prevented from being unexpectedly cut due to a reinforcing bar of the object to be cut.

Description

Wire Tension-controllable Wire Saw

The present invention relates to a wire saw, and more specifically, to adjust the tension of the wire to be inserted into the workpiece while adjusting the tension of the workpiece, when cutting the workpiece by the wire, the tension adjustment This relates to a possible wire saw.

As is well known, wire saws cut walls or demolish buildings by wires with diamond beads formed thereon, the wires being wound around the drive wheels, the guide wheels and the workpiece to be output from the guide wheels by the rotation of the drive wheels. To cut.

As shown in FIG. 1, the wire saw of the prior art, the main body 10 is seated on the guide rail 14, and the wire penetrating the vertical hole 16 or the horizontal hole formed in the workpiece 18 ( The workpiece 18 is cut by rotating 1) by the drive pulley 12.

On the other hand, when cutting the workpiece using the wire, the wire is loosely wound on the workpiece as the cutting process proceeds, so it is necessary to adjust the tension for cutting the workpiece and keep it constant. The wire saw itself moves forward or backward with respect to the ground.

However, when there is an obstacle behind the wire saw due to the limitation of the cutting work space, there is a problem that the wire saw cannot be reversed and the tension of the wire cannot be adjusted in a timely manner.

Accordingly, the present invention is to solve the above-described problems, by configuring the tension adjustment unit with a moving tension reel and a fixed tension reel, while maintaining the tension of the wire at a fixed position of the wire saw, while the wire input and output to the workpiece An object of the present invention is to provide a tension-adjustable wire saw that can always be kept perpendicular to the workpiece.

In order to achieve the above object, the present invention, the caterpillar is formed on the lower end of the main body, the front, rear, left and right can move, the drive motor fixed to the main body, and disposed on one side of the main body in the first direction by the drive motor A rotating first drive reel, N moving tension reels winding wires input from the first driving reel, N fixed tension reels corresponding to the moving tension reels, a slide bar to which the moving tension reels slide back and forth, and A tension adjusting unit including a hydraulic cylinder driving the moving tension reel forward and backward along the slide bar, a lower guide reel for guiding a wire output from the final fixed tension reel in a direction of a lower cutting hole of the workpiece, and An upper guide reel for guiding the wire passing through the upper cutting hole of the workpiece, and disposed on the other side of the main body, And a second driving reel rotating in a second direction and inputting a wire passing through the upper guide reel to the first driving reel, wherein the lower guide reel includes: a lower non-rotating frame having a hole through which a wire passes; A lower rotation frame inserted into the lower non-rotation frame, a lower wheel frame fixed to both sides of the lower rotation frame, and a wire coupled to the lower wheel frame and passing through the lower non-rotation frame and the lower rotation frame. Consists of two lower wheels for outputting the workpiece in the direction of the lower cutting hole, the guide rod extending from the lower end of the main body is inserted into the guide hole formed in the lower portion of the lower non-rotating frame and the wire output position of the final fixed tension reel and the Along the guide rod to match the wire output position of the lower non-rotating frame A sliding, tension adjustable wire saw is provided.

Here, the upper guide reel, the upper fixed frame extending to the main body side, the upper non-rotating frame fixedly coupled to the inside of the upper fixed frame, the upper rotating frame inserted into the upper non-rotating frame, and the upper rotation An upper wheel frame fixed to both sides of the frame, and a first wheel coupled to the upper wheel frame and outputting wires passing through the upper rotating frame and the upper non-rotating frame in the direction of the second driving reel; The lower rotating frame and the upper rotating frame may be rotated so that wires are input and output perpendicularly to the workpiece.

On the other hand, the moving tension reel is formed on the lower end of the moving frame is formed on the first and the N-th mobile pulley, the rotation axis of the first to the N-th mobile pulley, the moving frame fixedly coupled to one end of the rotating shaft, H-shaped Consists of a slide wheel sliding along the slide bar, the fixed tension reel may be composed of a first to N-th fixed pulley, a rotating shaft of the first to N-th fixed pulley, and a fixed frame fixedly coupled to one end of the rotating shaft. have.

Here, the lower fixing frame further extends in parallel with the guide rod from the lower end of the main body, the lower side of the lower non-rotating frame formed through the fixing hole, the lower fixing frame corresponds to the fixing hole A coupling hole may be formed corresponding to the position of the fixed tension reel, and the position of the lower guide reel may be fixed by a coupling pin penetrating the fixing hole and the coupling hole.

The lower non-rotating frame and the lower rotating frame may be fixed by a pair of lower fixing bolts, and the upper non-rotating frame and the upper rotating frame may be fixed by an upper fixing bolt.

According to the present invention, the tension applied to the wire can be easily adjusted by varying the number of rollers corresponding to the moving tension reel and the fixed tension reel, depending on the type of wire used, the size and strength of the workpiece, or the cutting process conditions. By doing so, the tension of the wire is kept constant, so that the cutting process can be stably performed.

In addition, by adjusting the rotation angle of the lower rotary frame and the upper rotary frame to adjust the angle opposite to the workpiece from each guide reel of the wire, the wire input and output to the workpiece perpendicular to the ground in the height direction of the workpiece By doing so, the cut surface of the workpiece can be cut cleanly and consistently, and there is an effect of preventing the unexpected cutting of the wire by the rebar of the workpiece.

Furthermore, the diameter of the hole of each guide reel through which the wire penetrates is made larger than the diameter of the wire, thereby minimizing damage due to friction with the wire.

1 illustrates a wire saw according to the prior art.
2 is a schematic perspective view of a wire saw capable of adjusting tension according to the present invention.
3 illustrates a side view of the wire saw of FIG. 2.
Figure 4 shows an enlarged separation of the tension control of the wire saw of FIG.
5 to 7 illustrate the configurations of the upper guide reel and the lower guide reel of FIG. 2, respectively.
8 illustrates a workpiece cutting process of the wire saw of FIG. 2.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is "connected" with another part, this includes not only the case where it is "directly connected" but also the case where it is "indirectly connected". In addition, when a part is said to "include" a certain component, which means that it may further include other components, except to exclude other components unless otherwise stated.

Prior to the description of the present invention, terms from the present invention will be described.

Like reference numerals refer to like elements throughout the drawings, even though they are on different drawings, and when referring to the drawings, components of other drawings may be cited if necessary. A payment system using a virtual currency according to the present invention will be described in detail with reference to the accompanying drawings.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention having the above-described features.

Figure 2 is a schematic perspective view of a wire saw capable of adjusting tension according to the present invention, Figure 3 is a side view of the wire saw of Figure 2, Figure 4 shows an enlarged separation of the tension control of the wire saw of Figure 2 5 to 7 illustrate the configurations of the upper guide reel and the lower guide reel of FIG. 2, respectively, and FIG. 8 illustrates the cutting process of the workpiece of the wire saw of FIG. 2.

2 to 8, a wire saw capable of adjusting tension according to the present invention, a main body 110 having a predetermined shape, a caterpillar 120 serving as a ground moving means, and a driving motor fixed to the main body 110 (not shown). ), The first and second drive reels 130 and 140 for inputting and outputting the wire W, the tension adjusting unit 150 for adjusting the tension of the wire W, and the wire W perpendicular to the workpiece. The lower guide reel 160 and the upper guide reel 170 are configured to be arranged.

The main body 110 is a frame forming the overall shape of the wire saw, the drive motor for rotating the first and second drive reels (130, 140) or the caterpillar 120 inside, a drive motor and a hydraulic cylinder to be described later Control panel (not shown) for controlling.

Caterpillar 120, as shown in Figure 3, is formed in a pair of left and right at the bottom of the main body to enable the movement of the front, rear, left and right body according to the cutting process. Here, the caterpillar 120 may be driven by an actuator separate from the drive motors driving the first and second drive reels 130 and 140.

The first driving reel 130 is disposed on one side of the main body 110 and rotates, for example, in a clockwise direction, in the first direction by the driving motor, and outputs the wire W to the tension adjusting unit 150 at the rear end.

The tension adjusting unit 150 includes N moving tension reels 151 winding the wire W input from the first driving reel 130, N fixed tension reels 152 corresponding to the moving tension reels 151, and The moving tension reel 151 includes a slide bar 153 for sliding back and forth, and a hydraulic cylinder (not shown) for driving the moving tension reel 151 forward and backward along the slide bar 153.

3 and 4, as the cutting process proceeds, the hydraulic cylinder increases the separation distance between the moving tension reel 151 and the fixed tension reel 152 to lower the guide reel 160. ) To adjust the length of the exposed wire (W) between the upper guide reel 170 to maintain a constant tension of the wire (W).

On the other hand, when the size of the workpiece is large, there may be a restriction on the tension adjustment by the above-described separation distance adjustment, in order to further expand this may comprise a plurality of moving tension reel 151 and a fixed tension reel (152). .

Specifically, as shown in (a) of FIG. 4, the moving tension reel 151 includes the first to fourth mobile pulleys 151a and the rotation shafts 151e of the first to fourth mobile pulleys 151a to 151d. ), A moving frame 151f having one end of the rotating shaft 151e fixedly coupled thereto, and a slide wheel 151g formed at a lower end of the moving frame 151f and sliding along an H-bar shaped slide bar 153. .

In addition, the fixed tension reel 152 is fixed to the rotation shaft 152e of the first to fourth fixed polys 152a to 152d, the first to fourth fixed polys 152a to 152d, and one end of the rotation shaft 152e. It is composed of a fixed frame 152f.

Here, the wire (W) input from the first drive reel 130, the first moving pulley (151a), the first fixed pulley (152a), the second moving pulley (151b), the second fixed pulley ( 152b), the third movable pulley 151c, the third fixed pulley 152c, the fourth movable pulley 151d, and the fourth fixed pulley 152d, in order, and are input to the lower guide reel 160 at the rear end. .

Accordingly, the tension applied to the wire W is varied by varying the corresponding number of the moving tension reel 151 and the fixed tension reel 152 according to the type of wire used, the size and strength of the workpiece, or the cutting process conditions. Easy to adjust

That is, the tension applied to the wire W increases as the number of the moving tension reel 151 and the fixed tension reel 152 increases under the same moving distance condition of the moving tension reel 151 moving forward and backward by the hydraulic cylinder. Therefore, when cutting the workpiece having a relatively low strength, it is possible to quickly adjust the tension of the wire (W) to perform a stable cutting process.

2, 6 and 8, the lower guide reel 160 is the final fixed tension reel 152, that is, the wire (W) output from the fourth fixed pulley (152d) to the lower end of the workpiece Guide in the direction of cutting hole (A).

Specifically, the lower guide reel 160 has a cylindrical lower end non-rotation frame 161 through which a hole through which the wire W passes, and a cylindrical lower end rotation frame inserted into the lower non-rotation frame 161. 162, the lower wheel frame 163 fixed to both sides of the lower rotating frame 162, and the lower wheel frame 163 coupled to the lower non-rotating frame 161 and the lower rotating frame 162. It consists of two stage lower wheels 164a and b which output one wire W toward the lower cutting hole A of the workpiece.

Here, as shown in Figure 6 (b), the guide rod 166 extending from the lower end of the main body 110 is inserted into the guide hole 165 formed in the lower portion of the lower non-rotating frame 161, the final fixed tension In order to match the reel, for example, the wire W output position of the fourth fixed pulley 152d with the wire W output position of the lower non-rotating frame 161, the lower guide reel 160 itself is a guide rod ( 166 may slide along.

Meanwhile, the upper guide reel 170 guides the wire W passing through the upper cutting hole B of the workpiece to the second driving reel 140 to be described later.

Specifically, as shown in FIG. 5B, the upper guide reel 170 is fixedly coupled to the upper fixing frame 171 and the upper fixing frame 171 extending to the side of the main body 110. Cylindrical upper non-rotating frame 172, cylindrical upper rotating frame 173 inserted into the upper non-rotating frame 172, and upper wheel frame 174 fixedly coupled to both sides of the upper rotating frame 173 And a first wheel coupled to the upper wheel frame 174 to output a wire W passing through the upper rotating frame 173 and the upper non-rotating frame 172 in the direction of the second driving reel 120 ( 175).

Therefore, by the configuration of the lower guide reel 160 and the upper guide reel 170 as described above, as shown in Figure 7, the lower rotation frame 162 so that the wire (W) is input and output perpendicular to the workpiece. ) And the upper rotating frame 173 may rotate with respect to each of the non-rotating frames 161 and 172 as a central axis.

That is, when the wire (W) is coupled to each guide reel (160, 170) by adjusting the angle of the lower rotating frame 162 and the upper rotating frame (173) the workpiece from each guide reel (160, 170) of the wire (W) You can easily adjust the angle opposite to.

Accordingly, the wire W is inputted and outputted into the workpiece perpendicularly to the ground in the height direction of the workpiece, so that the cut surface of the workpiece can be cut cleanly and consistently, and the wire W of the workpiece Unexpected cuts can be prevented.

2 and 6, the lower fixing frame 167 is formed to be spaced apart from the lower end of the main body 110 and extended in parallel with the guide rod 166, and the lower end of the lower non-rotating frame 161 is formed. A fixing hole (not shown) is formed through one side thereof, and a coupling hole 169 corresponding to the fixing hole is formed in the lower fixing frame 167 to correspond to the position of the fixing tension reel, that is, each fixing poly 152a to 152d. Is formed.

Accordingly, the position of the lower guide reel 160 may be fixed by the coupling pin P penetrating the fixing hole and the coupling hole 169.

That is, the position of the lower guide reel 160 is freely adjusted according to the number of use of the moving tension reel 151 and the fixed tension reel 152, and the wire W input from the final N-th fixed poly and the lower non-rotating frame ( 161 and the side of the lower rotating frame 162 can be minimized to increase the durability of the wire W, and the diameters of the holes of the lower non-rotating frame 161 and the lower rotating frame 162 can be increased. The durability of the wire W may be further increased by making it larger than the diameter of.

On the other hand, as shown in Figure 6, the lower non-rotating frame 161 and the lower rotating frame 162 is fixed by a pair of lower fixing bolts (L), after aligning the wire (W) vertically The fixing bolt (L) may maintain a constant rotation angle of the lower rotating frame 162.

In addition, as shown in Figure 5 (b), the upper non-rotating frame 172 and the upper rotating frame 173 is fixed by the upper fixing bolt (U), after aligning the wire (W) vertically The upper fixing bolt (U) may maintain a constant rotation angle of the upper rotating frame (173).

The second driving reel 140 is disposed on the other side of the main body 110 and rotates in the second direction, for example, counterclockwise, by the driving motor and drives the wire W passing through the upper guide reel 170 first. Input to the reel 130.

On the other hand, as shown in Figure 2, the guide 180 is disposed to protrude to the top and bottom in the longitudinal direction, respectively, on the side of the main body 110, that is, the wire (W) input and output, the side waterproof door 190 Is back and forth along the guide 180 and covers the main body 110 side.

Meanwhile, the front waterproof door 200 is formed at the front end of the main body 110, and is configured to rotate by being coupled between the first driving reel 130 and the upper and lower guide reels 160 and 170 by a hinge shaft, so that the main body ( 110) Cover the inner component.

By the above-described side waterproof door 190 and the front waterproof door 200, when performing the cutting process, the sprayed water, the cutting object fragments or foreign matter accompanying the cutting process is attached to the wire (W) body 110 Even when returned to the side, it is not discharged to the outside to guide the fall down to the side of the main body 110 can minimize the surrounding pollution.

Therefore, according to the configuration of the wire saw as described above, depending on the type of wire used, the size and strength of the workpiece, or the cutting process conditions, the number of corresponding rollers of the moving tension reel and the fixed tension reel is varied so that By additionally adjusting the tension applied easily, the tension of the wire can be kept constant so that the cutting process can be stably performed, and the cutting angles from each guide reel of the wire can be adjusted by adjusting the rotation angles of the lower rotating frame and the upper rotating frame. By adjusting the angle facing the water, the wire is input and output to the workpiece perpendicularly to the ground in the height direction of the workpiece, so that the cut surface of the workpiece can be cut cleanly and consistently, and the wire by the rebar of the workpiece To prevent unexpected cutting of the wire, and the diameter of the hole of each guide reel Hayeoseo significantly to the relatively, it is also possible to minimize the damage caused by the friction of the wire.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

110: body 120: caterpillar
130,140: first and second drive reel 150: tension control unit
160170: Lower and upper guide reel 180: Guide
190: side waterproof door 200: front waterproof door

Claims (8)

A first driving reel disposed on one side of the main body and rotating in a first direction; And
The tension control unit includes a tension adjusting unit including N moving tension reels for winding the wire input from the first driving reel, N fixed tension reels corresponding to the moving tension reels, and a slide bar in which the moving tension reels slide back and forth. Wire Saw Available.
The method of claim 1,
And a lower guide reel for guiding the wire output from the fixed tension reel in the direction of the lower cutting hole of the workpiece, and an upper guide reel for guiding the wire passing through the upper cutting hole of the workpiece.
The method of claim 2,
The lower guide reel,
A lower non-rotating frame having a hole through which the wire passes;
A lower rotating frame inserted into the lower non-rotating frame and rotating the lower non-rotating frame about a central axis;
A lower wheel frame fixedly coupled to both sides of the lower rotating frame;
And a lower stage wheel coupled to the lower wheel frame and outputting a wire passing through the lower non-rotating frame and the lower rotating frame in a direction of a lower cutting hole of the workpiece, from the lower guide reel. Adjustable tension saw for adjusting the angle of the wires facing each other.
The method of claim 3,
The wire saw,
A guide rod extending from the lower end of the main body is inserted into a guide hole formed at a lower portion of the lower non-rotating frame, and thus the guide rod extending from the lower end of the lower non-rotating frame to match the wire output position of the final fixed tension reel with the wire input position of the lower nonrotating frame. Sliding, tension adjustable wire saw.
The method of claim 4, wherein
The wire shoots,
A second driving reel disposed on one side of the main body to rotate in a second direction by the driving motor and to input a wire passing through the upper guide reel to the first driving reel;
The upper guide reel,
An upper fixing frame extending toward the body side;
An upper non-rotating frame fixedly coupled inside the upper fixing frame;
An upper rotating frame inserted into the upper non-rotating frame;
An upper wheel frame fixedly coupled to both sides of the upper rotating frame; And
A first wheel coupled to the upper wheel frame and outputting a wire passing through the upper rotating frame and the upper non-rotating frame toward the second driving reel;
And the lower rotating frame and the upper rotating frame are respectively rotated so that a wire is input and output perpendicularly to the workpiece.
The method of claim 5,
The moving tension reel,
First to Nth mobile poly;
A rotating shaft of the first to Nth moving poly; And
One end of the rotating shaft is fixedly coupled to the movement frame, and a slide wheel which is formed at the bottom of the movement frame to slide along the H-bar-shaped slide bar,
The fixed tension reel,
First to Nth fixed poly;
A rotating shaft of the first to Nth fixed polys; And
Tension adjustable wire saw, characterized in that the end of the rotating shaft is composed of a fixed frame fixedly coupled.
The method of claim 6,
The wire shoots,
It further comprises a lower fixed frame spaced apart from the guide rod from the bottom of the main body, extending in parallel with the guide rod,
A fixing hole is formed through one side of the lower side of the lower non-rotating frame, and a coupling hole corresponding to the fixing hole is formed in the lower fixing frame corresponding to the position of the fixing tension reel. The tension saw is adjustable wire saw, characterized in that the position of the lower guide reel is fixed by a coupling pin penetrating.
The method of claim 7, wherein
The lower non-rotating frame and the lower rotating frame is fixed by a pair of lower fixing bolts,
The upper non-rotating frame and the upper rotating frame is fixed by the upper fixing bolt, the tension adjustable wire saw.

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