KR102124072B1 - Hole machining jig of circular tube and hole machining method the same - Google Patents

Abstract

According to an embodiment of the present invention, a hole processing jig for a circular pipe including an outer wall portion and a rail extending toward the center from the outer wall portion is coupled to the first side of the end portion of the circular pipe, and the hole is processed. A first coupling portion for ding; A second coupling portion coupled to the second side of the end; And a support portion for supporting the first coupling portion and the second coupling portion.

Description

The hole processing jig of circular pipe and the hole processing method using the same{HOLE MACHINING JIG OF CIRCULAR TUBE AND HOLE MACHINING METHOD THE SAME}

An embodiment of the present invention relates to a hole processing fixture of a circular tube and a hole processing method using the same, particularly a hole processing fixture of a circular tube capable of processing a hole in a circular tube without the assistance of an assistant worker, and a hole processing method using the same.

In general, in the case of drilling a hole in a circular tube, the paper with the hole position is attached to the outer wall of the circular tube, and the main worker, with the assistance of an assistant worker, adjusts the direction of the drill to the normal direction of the circular tube and processes the hole To proceed.

In addition, the main worker first creates a small diameter guide hole on the outer wall using a small guide drill, and then creates a large diameter main hole on the outer wall using a large diameter main drill.

In this case, a human error between the auxiliary worker and the main worker may occur, resulting in a problem that the precision of the hole shape is deteriorated. In addition, since two drillings are performed to process one hole, a problem that an increase in machining time may occur.

The problem to be solved of the present invention relates to a hole processing jig of a circular tube capable of processing a hole in a circular tube without the assistance of an assistant worker and a hole processing method using the same.

In addition, another problem to be solved of the present invention is to provide a hole machining jig of a circular tube and a hole machining method using the same, which can improve productivity by reducing machining time.

In order to achieve the above object, according to an embodiment of the present invention, a hole processing jig for a circular pipe including an outer wall portion and a rail extending toward the center from the outer wall portion is coupled to a first side of an end of the circular pipe And, the first coupling portion for guiding the hole processing; A second coupling portion coupled to the second side of the end; And a support portion for supporting the first coupling portion and the second coupling portion.

In the present invention, the first coupling portion, the first outer member in contact with the outer surface of the outer wall portion; A first inner member contacting the inner surface of the outer wall portion; A first bushing part disposed on the first outer member and having a guide hole; And a fixing portion for fixing the coupling between the outer wall portion and the first coupling portion, and the guide hole penetrates the first bushing portion and the first outer member.

In the present invention, the first outer member is screwed to the support through at least one screw, and the first inner member is screwed to the support through at least one screw.

In the present invention, the inner surface of the first outer member is a surface that is in contact with the outer surface of the outer wall portion, and is formed as a curved surface, and the outer surface of the first outer member is a surface on which the first bushing part is disposed, in a flat surface Is formed.

In the present invention, the first bushing unit includes bushings arranged in a 2*2 grid.

In the present invention, the guide hole is formed along the normal direction to the circular tube.

In the present invention, the fixing portion, has a ring shape, a clasp ring attached to the rail; And a clasp body supporting the clasp ring and connected to the first inner member.

In the present invention, the second engaging portion, a second outer member in contact with the outer surface of the outer wall portion; A second inner member contacting the inner surface of the outer wall portion; And a second bushing disposed on the second outer member and having a guide hole.

In the present invention, the second outer member is screwed to the support through at least one screw, and the second inner member is screwed to the support through at least one screw.

In the present invention, the support portion is connected to the first coupling portion and the second coupling portion, the body portion formed in a bar shape; And it is coupled to the body portion, and includes a handle for gripping by the user.

In order to achieve the above object, according to an embodiment of the present invention, a hole processing fixture. A first engaging portion coupled to a first side of an end portion of a circular tube including an outer wall portion and a rail extending toward the center from the outer wall portion, for guiding hole machining; A second coupling portion coupled to the second side of the end; And a support portion for supporting the first coupling portion and the second coupling portion, wherein the hole processing method using the hole machining jig comprises: installing the hole machining jig on the circular tube; Processing a first hole in the circular tube; Processing a second hole in the circular tube; And removing the hole processing jig from the circular tube.

In the present invention, the step of installing, by fixing the fixing portion included in the first coupling portion between the outer wall portion and the first coupling portion, to install the hole processing jig in the circular tube.

In the present invention, the step of machining the first hole, by inserting the drill into the guide hole formed in the first bushing portion included in the first engaging portion, thereby operating the first hole.

In the present invention, the step of processing the second hole, the second hole is processed by inserting a drill into a guide hole formed in the second bushing portion included in the second coupling portion, thereby operating the second hole.

In the present invention, the first hole and the second hole are formed at positions facing each other on the outer wall portion.

According to an embodiment of the present invention, the hole processing jig of the circular tube and the hole processing method using the same can process the hole in the circular tube without the assistance of an assistant worker.

In addition, the hole processing jig of the circular tube according to the embodiment of the present invention and the hole processing method using the same can reduce the processing time.

In addition, the hole processing jig of the circular tube according to the embodiment of the present invention and the hole processing method using the same can improve productivity.

The effects obtainable in the present invention are not limited to the above effects, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 is a view showing a hole processing jig of a circular tube according to an embodiment of the present invention.
2 is a view showing a first coupling portion according to an embodiment of the present invention.
3A and 3B are views showing a circular tube according to an embodiment of the present invention.
4A and 4B are views showing a coupling state of a circular tube and a hole-molding fixture of a circular tube according to an embodiment of the present invention.
5 is a view showing a hole processing method using a hole processing jig of a circular tube according to an embodiment of the present invention.
6 is a view showing a hole-processed circular tube according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention and other matters necessary for those skilled in the art to easily understand the contents of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention can be implemented in a variety of different forms within the scope of the claims, so the embodiments described below are merely illustrative, regardless of whether they are expressed.

The same reference numerals refer to the same components. In addition, in the drawings, the thickness, ratio, and dimensions of the components are exaggerated for effective description of technical content. “And/or” can include any combination of one or more that the associated configurations can define.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from other components. For example, the first component may be referred to as a second component without departing from the scope of the present invention, and similarly, the second component may be referred to as a first component. Singular expressions may include plural expressions unless the context clearly indicates otherwise.

In addition, terms such as "below", "below", "above", "above", etc. are used to describe the relationship between the components shown in the drawings. The terms are relative concepts and are explained based on the directions indicated in the drawings.

The terms "include" or "have" are intended to indicate the presence of a feature, number, step, action, component, part, or combination thereof described in the specification, one or more other features, numbers, or steps. It should be understood that it does not preclude the existence or addition possibility of the operation, components, parts or combinations thereof.

That is, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms. In the following description, when a part is connected to another part, it is directly connected. In addition, it may also include a case in which other devices are electrically connected in the middle. In addition, it should be noted that the same components in the drawings are indicated by the same reference numerals and symbols as possible, even if they are displayed on different drawings.

1 is a view showing a hole processing jig 100 of a circular tube according to an embodiment of the present invention. For convenience of description, in FIG. 1, a hole jig 100 and an additional auxiliary part 300 are shown together.

Referring to FIG. 1, the hole jig 100 of a circular tube may include a first coupling portion 110, a second coupling portion 120 and a support portion 130.

In the present specification, the circular tube is a special purpose circular tube, and may include an outer wall portion and a rail extending toward the center from the outer wall portion. Details related to this are described in FIGS. 3A and 3B.

The first coupling part 110 is coupled to the first side of the end of the circular tube, and can guide hole processing. For example, the first coupling part 110 may be coupled to a first side (eg, a region where a rail is formed). The first coupling portion 110 may guide the hole processing by using a guide hole formed therein.

The first coupling part 110 may include a first outer member 111, a first inner member 112, a first bushing part 113, and a fixing part 114.

The first outer member 111 may contact the outer surface of the outer wall portion. The first inner member 112 may contact the inner surface of the outer wall portion.

The first outer member 111 may be screwed to the support 130 through at least one screw (eg, a screw, bolt, stud, etc.).

The first inner member 112 may be screwed to the support 130 through at least one screw.

According to an embodiment, the inner surface (that is, the lower surface) of the first outer member 111 is a surface that is in contact with the outer surface of the outer wall portion of the circular tube, and is formed as a curved surface, and the outer surface of the first outer member 111 ( That is, the upper surface) is a surface on which the first bushing 113 is disposed, and may be formed in a plane. In addition, the inner surface (that is, the upper surface) of the first inner member 112 is a surface that is in contact with the inner surface of the outer wall portion of the circular tube, and is formed as a curved surface, and the outer surface (that is, the lower surface) of the first inner member 112 ) May be formed in a plane.

The first bushing part 113 may be disposed on the outer surface of the first outer member 111. According to an embodiment, the first bushing 113 may include bushings arranged in a 2*2 grid. However, the present invention is not limited thereto, and according to an embodiment, the first bushing unit 113 may include bushings arranged in various forms.

The guide hole may be formed in the first bushing 113. The guide hole may be formed to penetrate the first bushing portion 113 and the first outer member 111. According to an embodiment, the guide hole may be formed to also penetrate the first inner member 112.

The guide hole may be formed along the normal direction to the circular tube 200. Therefore, when machining a hole through the guide hole, the hole may be formed along the normal direction.

The fixing part 114 may fix the coupling between the outer wall part and the first coupling part 110. For example, the fixing part 114 has a ring shape, supports a clasp ring and a clasp ring attached to the rail, and may include a clasp body connected to the first inner member 112.

The second coupling part 120 is coupled to the second side of the end of the circular tube, and can guide hole processing. For example, the second coupling portion 120 may be coupled to the second side (eg, the region where the rail 220 is formed). The second coupling part 120 may guide the hole processing by using the guide hole GH formed therein. For example, the first side and the second side may face each other.

The second coupling part 120 may include a second outer member 121, a second inner member 122, and a second bushing part 123.

The second outer member 121 may contact the outer surface of the outer wall portion. The second inner member 122 may contact the inner surface of the outer wall portion.

The second outer member 121 may be screwed to the support 130 through at least one screw.

The second inner member 122 may be screwed to the support 130 through at least one screw.

According to an embodiment, the inner surface (that is, the upper surface) of the second outer member 121 is a surface that is in contact with the outer surface of the outer wall portion of the circular tube, and is formed as a curved surface, and the outer surface of the second outer member 121 ( That is, the lower surface) is a surface on which the second bushing portion 123 is disposed, and may be formed in a plane. In addition, the outer surface (that is, the lower surface) of the second inner member 122 is a surface that is in contact with the inner surface of the outer wall portion of the circular tube, and is formed as a curved surface, and the inner surface (that is, the upper surface) of the second inner member 122 ) May be formed in a plane.

The second bushing portion 123 may be disposed on the outer surface of the second outer member 121. According to an embodiment, the second bushing unit 123 may include bushings arranged in a 2*2 grid shape. However, the present invention is not limited thereto, and according to an embodiment, the second bushing unit 123 may include bushings arranged in various forms.

The guide hole may be formed in the second bushing portion 123. The guide hole may be formed to penetrate the second bushing portion 123 and the second outer member 121. The guide hole may be formed along the normal direction to the circular tube 200. Therefore, when machining a hole through the guide hole, the hole may be formed along the normal direction.

The support part 130 may support the first coupling part 110 and the second coupling part 120. The support part 130 may include a body part 131 and a handle 132.

The body portion 131 is connected to the first coupling portion 110 and the second coupling portion 120, and may be formed in a bar shape.

The handle 132 can be held by the user.

As shown in FIG. 1, the auxiliary part 300 may include a handle part and a screw part in which a hole of a nut is formed on one side. The auxiliary part 300 may auxiliaryly support the coupling of the hole processing jig 100 to the circular tube.

2 is a view showing a first coupling portion 110 according to an embodiment of the present invention. For convenience of description, contents overlapping with the contents described in FIG. 1 may be omitted in the following description.

Referring to FIG. 2, the first coupling part 110 may include a first outer member 111, a first inner member 112, a first bushing part 113, and a fixing part 114.

The first outer member 111 and the first inner member 112 may be coupled to the support 130 through screws.

According to an embodiment, the first outer member 111 may be coupled to the body portion 131 of the support through the first screw N1. The first inner member 112 may be coupled to the body portion 131 of the support through the second screw N2 and the third screw N3.

According to an embodiment, the first outer member 111 may have an inner surface INP formed as a curved surface and an outer surface OTP formed as a plane.

The first bushing part 113 may be disposed on the first outer member 111. According to an embodiment, the first coupling part 110 may include at least two first bushing parts 113.

The guide hole GH may be formed in the first bushing 113. The guide hole GH may be formed to penetrate the first bushing portion 113 and the first outer member 111. According to an embodiment, the guide hole GH may be formed to penetrate the first inner member 112 as well.

The guide hole GH may be formed along the normal direction to the circular tube 200. Therefore, when machining a hole through the guide hole GH, the hole may be formed along the normal direction.

The fixing part 114 may fix the coupling between the outer wall part and the first coupling part 110. For example, the fixing part 114 may be implemented with a clasp that is attached to the rail.

The first coupling part 110 is coupled to the first side of the end of the circular tube, and can guide hole processing. For example, the first coupling part 110 may be coupled to a first side (eg, a region where a rail is formed). The first coupling portion 110 may guide the hole processing by using the guide hole GH formed therein.

Although not shown in FIG. 2, the first coupling part 110 is also provided to the second outer member 121, the second inner member 122, and the second bushing part 123 of the second coupling part 120 shown in FIG. 1. ) The description of the first outer member 111, the first inner member 112 and the first bushing part 113 can be applied in a range that can be easily changed by a person skilled in the art of the present invention. to be.

3A and 3B are views showing a circular tube 200 according to an embodiment of the present invention. 3A is a perspective view showing the circular tube 200, and FIG. 3B is a cross-sectional view showing the circular tube.

3A and 3B, the circular tube 200 may include an outer wall portion 210 and a rail 220.

The outer wall part 210 and the rail 220 may extend along a direction in which the circular tube 200 extends.

The rail 220 is disposed on the inner surface of the outer part 210 and may be a groove extending toward the center from the outer wall part 210.

In FIG. 3A, the rail 220 is shown to be formed in a straight line, but the present invention is not limited thereto. Depending on the embodiment, the rail 220 may be formed in a spiral. The circular pipe 200 shown in FIGS. 3A and 3B means a circular pipe 200 manufactured according to a special purpose, such as military or defense, and the circular pipe 200 described herein is a separate special Even if the purpose is not described, it can be understood as the circular tube 200 shown in FIGS. 3A and 3B. However, the present invention is not limited to this, and the circular tube 200 may be designed in various ways within the scope of achieving the object of the present invention.

4A and 4B are views showing a coupling state of the circular tube 200 and the hole jig 100 of the circular tube 200 according to an embodiment of the present invention.

Figure 4a is a perspective view showing the coupling state of the circular tube 200 and the hole processing jig 100, Figure 4b is a cross-sectional view showing the circular tube 200 and the hole processing jig 100.

1, 2, 4A, and 4B, the circular tube 200 and the hole processing jig 100 may be coupled to each other as shown.

The first coupling portion 110 is coupled to the first side of the end portion of the circular tube 200, and can guide hole processing. For example, the first coupling portion 110 may be coupled to the first side (eg, the region where the rail 220 is formed). The first coupling portion 110 may guide the hole processing by using the guide hole GH formed therein.

The first coupling portion 110 includes a first outer member 111, a first inner member 112, a first bushing portion 113 and a fixing portion 114, the first outer member 111 and the first 1 may be coupled to the first side of the end of the circular tube 200 through the inner member 112.

The first bushing part 113 is disposed on the outer surface of the first outer member 111 and may include bushings arranged in a 2*2 grid shape.

The guide hole is formed in the first bushing part 113, passes through the first bushing part 113 and the first outer member 111, and may be formed along a normal direction to the circular tube 200. Therefore, when machining a hole through the guide hole, the hole can be formed along the normal direction.

The fixing part 114 may fix the coupling between the outer wall part 210 and the first coupling part 110. For example, the fixing part 114 has a ring shape, supports a clasp ring and a clasp ring attached to the rail, and may include a clasp body connected to the first inner member 112.

The second coupling part 120 is coupled to the second side of the end of the circular tube, and can guide hole processing. For example, the second coupling portion 120 may be coupled to the second side (eg, the region where the rail 220 is formed). The second coupling part 120 may guide the hole processing by using the guide hole GH formed therein. For example, the first side and the second side may face each other.

The second coupling portion 120 includes a second outer member 121, a second inner member 122 and a second bushing portion 123, the second outer member 121 and the second inner member 122 Through it may be coupled to the second side of the end of the circular tube 200.

The second bushing part 123 is disposed on the outer surface of the second outer member 121 and may include bushings arranged in a 2*2 grid.

The guide hole is formed in the second bushing portion 123, penetrates through the second bushing portion 123 and the second outer member 121, and may be formed along the normal direction to the circular tube 200. Therefore, when machining a hole through the guide hole, the hole may be formed along the normal direction.

5 is a view showing a hole processing method using a hole processing jig of a circular tube according to an embodiment of the present invention.

1 to 5, the hole processing method using the hole processing jig of the circular tube is operated as follows.

The hole jig 100 may be installed in the circular tube 200 (S10). For example, by fixing the fixing portion 114 included in the first coupling portion 110 between the outer wall portion 210 and the first coupling portion 110, the hole processing jig 100 is installed in the circular pipe 200 Can be. According to an embodiment, the hole jig 100 may be installed in a form that is coupled to the end of the circular tube 200, as shown in Figures 4a and 4b.

A first hole may be processed in the circular tube 200 (S20). The drill used for drilling may be inserted into the guide hole GH to operate. For example, the drill inserted into the guide hole (GH) is guided by the guide hole (GH), it can proceed along the normal direction of the circular tube (200). Accordingly, the first hole can be processed along the normal direction. The first hole may be machined such that the first coupling portion 110 of the hole processing jig 100 is close to the first side of the circular tube 200 to which it is coupled.

A second hole may be processed in the circular tube 200 (S30). For example, the direction in which the drill is inserted into the guide hole GH is guided along the normal direction of the circular tube 200, and the second hole can be processed along the normal direction. The second hole may be machined such that the second coupling portion 120 of the hole processing jig 100 approaches the second side of the circular tube 200 to which it is coupled. For example, the first hole and the second hole may be formed at positions facing each other on the outer wall portion 210.

The hole jig 100 may be removed from the circular tube 200 (S40).

6 is a view showing a hole-processed circular tube according to an embodiment of the present invention.

Referring to FIG. 6, the holed circular tube 200 may include an outer wall portion 210 in which the first hole 211 and the second hole 212 are formed. As illustrated in FIG. 6, the first hole 211 and the second hole 212 may be formed on the outer wall portion 210 at positions facing each other.

According to the above, the hole processing jig of the circular tube according to the embodiment of the present invention and the hole processing method using the same can process the hole in the circular tube without the assistance of an assistant worker.

In addition, the hole processing jig of the circular tube according to the embodiment of the present invention and the hole processing method using the same can reduce the processing time.

In addition, the hole processing jig of the circular tube according to the embodiment of the present invention and the hole processing method using the same can improve productivity.

Although described above with reference to the preferred embodiment of the present invention, those skilled in the art or those skilled in the art will depart from the spirit and technical scope of the invention described in the claims below. It will be understood that various modifications and changes can be made to the present invention without departing from the scope.

Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification, but should be defined by the claims.

100: hole processing jig 110: first engaging portion
111: first outer member 112: first inner member
113: first bushing 114: support
120: second engaging portion 121: second outer member
122: second inner member 123: second bushing
130: support portion 131: body portion
132: handle

Claims (15)

In the hole processing jig for a circular tube including an outer wall portion and a rail extending toward the center from the outer wall portion,
It is coupled to the first side of the end of the circular tube, the first coupling portion for guiding the hole processing;
A second coupling portion coupled to the second side of the end; And
Hole processing jig of a circular tube, characterized in that it comprises a support for supporting the first engaging portion and the second engaging portion. According to claim 1,
The first coupling portion,
A first outer member in contact with the outer surface of the outer wall portion;
A first inner member contacting the inner surface of the outer wall portion;
A first bushing part disposed on the first outer member and having a guide hole; And
It includes a fixing portion for fixing the coupling between the outer wall portion and the first coupling portion,
The guide hole is a hole processing jig of a circular tube, characterized in that through the first bushing portion and the first outer member. According to claim 2,
The first outer member is screwed to the support through at least one screw,
The first inner member, through at least one screw, the hole processing jig of a circular tube, characterized in that screwed with the support. According to claim 2,
The inner surface of the first outer member is a surface contacting the outer surface of the outer wall portion, and is formed in a curved surface,
The outer surface of the first outer member is a surface on which the first bushing is disposed, characterized in that it is formed in a flat surface, a hole processing jig for a circular tube. According to claim 2,
The first bushing, the hole processing jig of a circular tube, characterized in that it comprises a bushing arranged in a 2*2 grid. According to claim 2,
The guide hole is a hole processing jig of a circular tube, characterized in that formed along the normal direction to the circular tube. According to claim 2,
The fixing part,
A clasp ring having a ring shape and attached to the rail; And
A hole processing jig for a circular tube, which supports the clasp ring and includes a clasp body connected to the first inner member. According to claim 1,
The second coupling portion,
A second outer member in contact with the outer surface of the outer wall portion;
A second inner member contacting the inner surface of the outer wall portion; And
It is disposed on the second outer member, the hole processing jig of a circular tube, characterized in that it comprises a second bushing formed with a guide hole. The method of claim 8,
The second outer member is screwed to the support through at least one screw,
The second inner member, through at least one screw, the hole processing jig of a circular tube, characterized in that screwed with the support. According to claim 1,
The support portion,
A body portion connected to the first coupling portion and the second coupling portion and formed in a bar shape; And
It is coupled to the body portion, the hole processing jig of a circular tube, characterized in that it comprises a handle for gripping by the user. A first engaging portion coupled to a first side of an end portion of a circular tube including an outer wall portion and a rail extending toward the center from the outer wall portion, for guiding hole processing;
A second coupling portion coupled to the second side of the end; And
In the hole processing jig of a circular tube, characterized in that it comprises a support for supporting the first coupling portion and the second coupling portion,
Installing the hole processing jig on the circular tube;
Processing a first hole in the circular tube;
Processing a second hole in the circular tube; And
And removing the hole processing jig from the circular tube. The method of claim 11,
The step of installing, by fixing the fixing portion included in the first coupling portion between the outer wall portion and the first coupling portion, the hole processing of the circular pipe characterized in that the hole is installed in the circular tube Method for processing holes using jigs. The method of claim 11,
The step of machining the first hole is performed by inserting a drill into a guide hole formed in a first bushing part included in the first coupling part, thereby operating the first hole, thereby machining the first hole. Method for processing holes using jigs. The method of claim 11,
In the step of processing the second hole, the second hole is processed by inserting a drill into a guide hole formed in the second bushing part included in the second coupling portion, thereby processing the second hole. Method for processing holes using jigs. The method of claim 11,
The first hole and the second hole are formed at positions facing each other on the outer wall portion, a hole processing method using a hole processing jig of a circular tube.

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