KR20100083304A - Right angle drlling tool and right angle driiling method using it - Google Patents

Abstract

PURPOSE: A right-angle drilling tool and a right angle cutting method using the same are provided to maximize work efficiency by forming a hole on the surface to be drilled without curve. CONSTITUTION: A right-angle drilling tool comprises a spherical right-angle correcting rotary ball(40), a ring-shaped holder(35), and a plate. A cylinder-shaped drill guide hole passes through the center of the right angle correction rotation ball. The right angle correction rotation ball minimizes the contact of the surface. The right angle correction rotation ball is rotatably inserted on the annular holder. A curve is formed in the inner side of the holder. The holder is combined in a round drill insertion unit.

Description

Right angle hole machining tool and right angle hole machining method using the same {RIGHT ANGLE DRLLING TOOL AND RIGHT ANGLE DRIILING METHOD USING IT}

According to the present invention, a right angle hole machining tool for improving the accuracy and efficiency of hole processing by improving the accuracy and efficiency of hole drilling regardless of the level of skill of the operator is achieved by making a precise hole machining position and the direction of drilling of the drill to form a right angle on the surface. It relates to a right angle hole processing method using the same.

Generally, the hole processing tool is an auxiliary device for fixing a drill or the like so that the hole is machined at right angles to the correct hole position and the processing surface when the hole is processed using a drill or the like having a flat or curved structure.

FIG. 1 is a tool for holding a drilling tool to perform a drilling process on a composite tool used for assembly of an aircraft, for example, a DRFX (Drill Fixture, COMPARTITE PART). It is a real picture that the worker uses the square 3 to fix the drill 5 to be perpendicular to the surface of the DRFX and then proceed to the hole machining operation.

In the case of processing the hole on the surface using the right angler (3), when the surface is horizontal without bending, etc., it may be possible to process the right angle to the surface, but in the case where the surface is formed a constant bend or curve It is difficult to precise right angle hole machining and hole hole to hole center, and it is difficult to precise right angle hole machining due to the shaking phenomenon of the square at the time of hole machining.

In addition, there is a problem that a large difference occurs in the quality of the right angle hole machining according to the degree of skill of the operator.

The present invention has been proposed in order to solve the problems of the prior art, a rectangular hole machining tool and a hole processing method using the same to minimize the shaking phenomenon during the hole machining to make a stable hole processing regardless of the skill of the operator To provide.

Further, another object of the present invention is to provide a right angle hole processing tool and a hole processing method using the same to make a right angle hole processing for a surface having a curved surface or the like.

In addition, another object of the present invention is to provide a right angle hole processing tool and a hole processing method using the same to make a right angle hole processing in the hole center (HOLE CENTER) of the surface.

Further, another object of the present invention is to provide a right angle hole processing tool and a hole processing method using the same to enable the right angle hole processing regardless of the skill of the operator stably and efficiently.

As described in claim 1, the right angle hole processing tool according to the present invention for solving the above technical problem is a rectangular right angle that is formed to penetrate the center of the cylindrical drill guide hole 41 to minimize the contact of the surface Calibration rotating ball 40; An annular holder (35) having a curved surface on an inner side surface such that the orthogonal correction rotating ball (40) is rotatably fitted; The holder 35 is characterized in that it comprises a plate 30 formed with a circular drill insertion portion 31 is coupled to.

The orthogonal straightening rotary ball, as described in claim 2, characterized in that it further comprises a guide drill bush 20 is inserted into the drill guide hole formed in the right angled straight rotating ball.

In order to solve the above technical problem, the right angle hole processing method using the right angle hole processing tool according to the present invention is a right angle hole processing tool 50 as described in claim 3, so as to correspond to the hole processing position of the hole processing surface. A first step of fixing to the hole making surface; Inserting a hole setting pin (7) into the drill guide hole (41) of the orthogonal straightening rotating ball (40) to set the surface and the drill guide hole (41) at right angles; And inserting a drill into the drill guide hole 41 to perform a hole processing.

As described in claim 4, the first step is characterized in that the rectangular hole processing tool 50 is fixed by any one of a clamp or a double-sided tape.

Orthogonal hole processing tool according to the present invention having the above configuration and the hole processing method using the same has the effect of maximizing the accuracy and work efficiency of hole processing by minimizing the shaking during the hole drilling operation.

In addition, there is an effect that can be accurately made in the center of the hole to form a right angle to the hole processing surface irrespective of the bending of the hole processing surface.

In addition, there is an effect that the right orthogonal machining can be performed on the hole machining surface regardless of the operator's skill level.

The terms or words used in this specification and claims are not to be construed as limiting in their usual or dictionary meanings, and the inventors may appropriately define the concept of terms in order to best explain their invention in the best way possible. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and the same reference numerals will be used for components having the same functions and functions when describing the embodiments of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the orthogonal hole processing tool according to the present invention and the hole processing method using the same, the workpiece to be drilled can be applied to all the workpieces that need to be hole processing, in the present specification, the surface used for aircraft production for convenience of description. It demonstrates only to DRFX10 which is a composite tool which forms bend | curve to a curved surface in the following.

Figure 2a shows that a hole is formed in the complex tool DRFX forming a bend on the surface, Figure 2b is a detailed view of the 'H' portion shown in Figure 2a.

As shown in FIG. 2A, the composite tool DRFX 10 has a contour such as bending on the surface 15.

When the hole is drilled in the complex tool DRFX 10, a hole must be formed at a right angle with respect to the surface 15 of the DRFX 10, as shown in FIG. 2B. This is because the hole can be processed at right angles to the PART only when the hole is formed at right angles to the surface.

3A is a block diagram of a plate 30 of the component parts of a right angled hole tool according to the present invention.

The plate 30 forms a drill insert 31 that forms a circular hole, as shown in Figure 3a.

The plate 30 may be formed in various shapes as well as a rectangular ruler shape as illustrated in FIG. 3A.

FIG. 3B is a side view of the plate 30 shown in FIG. 3A.

As an embodiment of the plate 30, a, b, c, d and w shown in Figure 3a may be designed as follows, respectively.

It may be designed as a = 39.0mm, b = 29.0mm, c = 19.5mm, d = 10.0mm, the outer diameter w of the drill insert 31 may be designed to 22.0mm (φ 22.0mm).

In addition, a, b, c, d and e indicated in FIG. 3B may be designed as follows.

a = 8.0mm, b = 180.0mm, c = 20.0mm, d = 10.0mm, e = 2.0mm.

3C is a configuration diagram of the annular holder 35 that is fitted and coupled to the drill insert 31 formed in the plate 30, and FIG. 3D is a side view of the annular holder 35.

The annular holder 35 is fitted to fit the drill insert 31 is coupled.

Therefore, when the outer diameter (w) of the drill insert 31 is designed as described above, as shown in Figure 3c the outer diameter (w) of the annular holder 35 is also designed to 22.0mm (φ 22.0mm) It is desirable to be.

At this time, the inner diameter (x) of the annular holder 35 is formed as shown in Figure 3c is configured in a ring ring shape, when the outer diameter (w) of the annular holder 35 is as described above the ring The inner diameter (x) of the mold holder 35 may be designed to 18.60mm and the tolerance is + 0.05mm (φ18.60mm + 0.05mm).

In addition, the inner surface of the annular holder 35, as indicated by the dotted line in Figure 3d, forms a concave curvature. This is to allow the right-angled orthogonal rotary ball 40 to be described later to be fixed to the rotatable holder 35 to be rotatable.

At this time, a = 8.0mm in Figure 3d, w can be designed as in the case of Figure 3c.

4A is a right angle correction in which the drill 5 or the guide drill bush 20 is inserted into the annular holder 35 to guide the drill 5 to allow the hole to be formed at a right angle to the surface of the DRFX 10 during the hole machining operation. 4 is a side view of the orthogonal straightening rotary ball.

The orthogonal straightening rotating ball 40, as shown in Figure 4b, forms a drill guide hole 41 which is a circular columnar hole (dotted line shown in Figure 4b) passing through the spherical ball center, and the drill The top and bottom of the guide hole 41 is formed by cutting horizontally.

By the configuration as described above, the orthogonal straightening rotating ball 40 can be fixed to the rotatable holder 35 so as to be rotatable, and the curvature can be minimized by minimizing the contact area on the surface of the DRFX 10. Accurate orthogonal machining is possible with respect to the surface of the DRFX.

A portion 'B' shown in FIG. 4A or 4B represents a contact surface of the orthogonal correction rotating ball 40 in contact with the surface of the DRFX.

In the case where the plate 30 and the annular holder 35 are designed as described above, the orthogonal correction rotating ball 40 may be designed as follows.

That is, in the case of Figure 4a, the outer diameter (x) of the right angle correction rotary ball 40 is 18.60mm, the tolerance is -0.05mm (φ18.60mm -0.05mm), the outer diameter of the portion in contact with the surface of the DRFX (y) is 14.20 mm (φ 14.20 mm), and the inner diameter z of the portion in contact with the surface of the DRFX may be designed to 12.60 mm (φ 12.60 mm).

Therefore, the contact area of the orthogonal correction rotating ball 40 in contact with the surface of the DRFX is as much as the area corresponding to the portion of 'B' shown in Figs. 4A and 4B, when designed as described above, Fig. 4A And b shown in Figure 4b is about 0.8mm, a in Figure 4b can be designed to 12.0mm.

5A is a block diagram of a right angle hole processing tool 50 according to the present invention, in which the annular holder 35 is coupled to the drill insertion portion 31 formed in the plate 30, and the annular holder ( 35 is a side view showing a configuration in which the right angle correction rotary ball 40 is coupled.

5B is a plan view corresponding to FIG. 5A.

6 is an overall configuration diagram for performing a hole machining operation on the surface of the DRFX using a right angle hole machining tool 50 according to the present invention.

As shown in FIG. 6, the hole drilling tool 50 includes a guide drill bush 20 inserted into a drill guide hole 41 formed in the orthogonal straightening rotating ball 40.

As shown in Fig. 6, a right angled hole processing tool 50 according to the present invention is placed on the DRFX surface having a curved surface, and the center of the drill guide hole 41 of the right angle correcting rotating ball 40 The hole machining position of the DRFX surface is centered.

In this case, the position of the drill guide hole 41 may be adjusted to be perpendicular to the hole machining position on the DRFX surface by the rotation operation of the right angle correcting rotary ball 40.

That is, when hole processing is performed on a surface such as a DRFX having a curved surface, only the contact surface B (see FIG. 4A or 4B) of the right angle correcting rotating ball 40 is brought into contact with the surface, and the right angle correcting rotating ball ( The rotation operation of 40 can be made to be at right angles to the hump machining position on the surface.

7A and 7B show a hole machining process on the surface of the DRFX using a right angle hole tool 50 in accordance with the present invention, the whole of which is clamped on a hole surface using a clamp or double-sided tape. It is possible to perform a stable hole making operation by fixing to (see 'C' in Fig. 7a or 7b).

In this case, as shown in FIG. 7A, the hole setting pin 7 may be inserted into the drill guide hole 41 to set the hole setting surface to be perpendicular to the hole machining surface.

In addition, as shown in Figure 7b, by inserting the guide drill bush 20 in the drill guide hole 41 of the right angle correction rotary ball 40 can be drilled to fit each size (SIZE). have.

The working process of the hole processing using the right angled hole tool according to the present invention is as follows.

In a first step, a right angled hole tool 50 is fixed to the holed surface so as to correspond to the holed position of the holed surface.

In the second step, the hole setting pin 7 is inserted into the drill guide hole 41 of the orthogonal straightening rotating ball 40 so as to set the surface and the drill guide hole 41 at right angles.

In a third step, a drill is inserted into the drill guide hole 41 to drill a hole at a right angle to the hole machining surface.

At this time, in the step 1, the clamping of the rectangular hole processing tool may use a clamp or a double-sided tape (see FIG. 7A or FIG. 7B).

According to the configuration and method as described above, it is possible to process a right angle hole at the center of a hole with respect to a curved surface or a curved surface, minimize shaking, etc., and enable accurate right angle hole processing regardless of the skill of the operator.

Preferred embodiments of the present invention described above are disclosed to solve the technical problem, and those skilled in the art to which the present invention pertains (man skilled in the art) various modifications, changes, additions, etc. within the spirit and scope of the present invention. It will be appreciated that such modifications, changes and the like should be regarded as falling within the scope of the following claims.

1 is an actual photograph showing a hole machining operation according to the prior art.

It is a figure which shows the compound tool DRFX which was hole-processed.

FIG. 2B is a detailed view of the portion 'H' shown in FIG. 2A.

Figure 3a and Figure 3b is a block diagram of the plaid of the right angle machining tool according to the present invention.

3C and 3D are configuration diagrams for the annular holter.

4A and 4B are schematic views of a right angle orthogonal rotary ball.

Figures 5a and 5b is a block diagram of a rectangular hole machining tool according to the present invention.

6 is an overall configuration diagram of a right angle hole machining operation using a right angle hole machining tool according to the present invention.

7A and 7B are views showing a working process of right angle hole machining by a right angle hole machining tool according to the present invention.

Explanation of symbols on the main parts of the drawings

3: right angle 5: drill

7 Hole Setting Pin 10 Complex Tool (DRFX)

20: drill bush 30: plate

31: drill insert 35: ring holder

40: right angle calibration rotating ball 41: drill guide hole

50: Right Angle Hole Tool

Claims (4)

As a hole making tool for right angle hole making, A spherical orthogonal straightening rotary ball 40 having a cylindrical drill guide hole 41 penetrating the center thereof to minimize contact with the surface thereof; A ring-shaped holder (35) having a curved surface on an inner side surface such that the right angle correction rotating ball (40) is rotatably fitted; Right angle hole processing tool comprising a plate (30) formed with a circular drill insertion portion 31 to which the holder 35 is inserted and coupled. According to claim 1, wherein the orthogonal straightening rotating ball, Right angle hole processing tool characterized in that it further comprises a guide drill bush 20 is inserted into the drill guide hole formed in the right angle correction rotary ball. A first step of fixing a right angle hole machining tool (50) to the hole machining surface so as to correspond to the hole machining position of the hole machining surface; Inserting a hole setting pin (7) into the drill guide hole (41) of the orthogonal straightening rotating ball (40) to set the surface and the drill guide hole (41) at right angles; Inserting a drill into the drill guide hole 41 to perform a hole processing; Right angle hole processing method comprising a. The method of claim 3, wherein the first step, The right angle hole processing tool (50) is fixed by any one of a clamp or a double-sided tape.

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