JP2000176865A - Marking-off jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten working time at the time of drawing a marking line. SOLUTION: It is a marking-off jig 1 to draw a marking line L0 at a position separated by a specified distance in the longitudinal direction of an angle bar 2 from a right side end surface S2 of the angle bar 2, and this marking-off jig 1 is constituted of a positioning member 11 to arrange by making it contact with the right side end surface S2 of the angle bar 2, a holding member 21 to extensively provided along the lengthy direction of the angle bar 2 from one end part of this positioning member 11 and a ruler member 31 extensively provided in a direction orthogonal with the longitudinal direction of the angle bar 2 from an optional position of the holding member 21, and a distance from a marking-off surface of the ruler member 31 to a contact surface of the positioning member 11 to make contact with one end surface of the angle bar 2 is set in a specified distance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marking jig for drawing a marking line perpendicular to the longitudinal direction of an object at a position separated from an end surface of the object by a predetermined distance.

[0002]

2. Description of the Related Art Conventionally, when a marking line perpendicular to the longitudinal direction of an object is drawn at a position away from one end face of the object by a predetermined distance, a contact metal jig 101 as shown in FIG. A scale 102 and a marking needle 103 are used.

[0003] As shown in FIG. 4, this contact jig 101 has two plate members 101 a and 101 b arranged in an L-shape.
The two plate bodies 101a and 101b are formed by connecting butted ends thereof by welding or the like.

[0004] Using the metal jig 101 and the scale 102, a scribing wire is placed at a position 5 mm away from the left end surface of the angle iron, for example, on an angle iron arranged so that the left-right direction is the length direction. As a drawing procedure, first, FIG.
As shown in the figure, on the upper surface of the horizontal portion 104a of the angle iron 104,
Parallel to the longitudinal direction of the angle iron 104 (that is, the horizontal portion 104)
The scale 102 is placed (parallel to the long side of “a”), and a mark 5 mm away from the left end surface of the angle iron is marked with a marking needle 103 (see FIG. 5B).

Next, one plate 1 of the backing jig 101
01a is made to extend along the horizontal portion 104a of the angle iron 104, and the other plate 101b of the hitting jig 101 is made to extend along the vertical portion 104b of the angle iron 104 (see FIG. 5C).

Finally, one plate 1 of the backing jig 101
01a with the left end face aligned with the mark,
A marking line is drawn on the upper surface of the horizontal portion 104a of the angle iron 104 with the marking needle 103 along the left end surface of the one plate body 101a (see FIG. 5D).

[0007]

As described above, the operation of drawing a marking line using a conventional contact metal jig or scale is performed in a length measuring step (FIG. 5A) and a marking step (FIG. 5B). Since there are a plurality of marking steps (FIGS. 5 (c) and 5 (d)), there is a problem that the working time is long. It is necessary to select and use a necessary jig from the tools, so that there is a problem that it takes time and effort to properly use the tool, and the work time is further increased.

The present invention has been made in view of such a problem, and an object of the present invention is to provide a marking jig capable of shortening a working time for drawing a marking line.

[0009]

The marking jig of the present invention comprises:
A marking jig for drawing a marking line at a position separated from the one end surface of the target object by a predetermined distance in the longitudinal direction of the target object, and the marking jig is arranged in contact with one end surface of the target object. A positioning member, a holding member extending from one end of the positioning member along the length direction of the object, and a direction perpendicular to the length direction of the object from an arbitrary position of the holding member. The ruler member is extended, and a distance from a marking surface of the ruler member to an abutting surface of the positioning member abutting on one end surface of the object is set to the predetermined distance.

[0010]

Next, an embodiment of a marking jig of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing an embodiment of a marking jig according to the present invention. The marking jig 1 includes a positioning member 11, a holding member 21, and a ruler member 31.

The positioning member 11, the holding member 21, and the ruler member 31 are plate-shaped.
Is arranged to be in contact with one end surface of the object during use, and the holding member 21 is extended from one end of the positioning member 11 along the length direction of the object. , The ruler member 31 is located at an arbitrary position P21 of the holding member 21.
, Extending in a direction orthogonal to the longitudinal direction of the object.

The ruler member 31 and the positioning member 11 are fixed to the holding member 21 by, for example, welding, and project from the surface of the holding member 21 in opposite directions.

When the marking jig 1 is formed, the positioning member 1 is moved from the marking surface S31 of the ruler member 31 (that is, the surface along which the marking needle is drawn when the marking line is drawn).
The distance L1 to the first contact surface (the surface that contacts one end surface of the object) S11 is set according to the position where the marking line is drawn, and the position is defined as the length of the object from one end surface of the object. This is a position separated by a predetermined distance in the vertical direction.

Next, using a marking jig having such a structure and a marking needle which has been used in the past, an angle iron that is arranged so that the left-right direction is the length direction is attached to the right end face of the angle iron. The procedure for drawing a marking line at a position 5 mm away from is described with reference to the drawings. In this case, a marking jig having a distance of 5 mm from the marking surface S31 of the ruler member 31 to the contact surface S11 of the positioning member 11 is used.

FIG. 2 is a process explanatory view showing an operation procedure for drawing a marking line using the marking jig and the marking needle shown in FIG.

First, the holding member 21 is set along the vertical surface of the vertical portion 2b of the angle iron 2. At this time, the ruler member 31 is in a state perpendicular to the long side of the vertical portion 2 b of the angle iron 2.

Next, with the holding member 21 being along the vertical surface of the vertical portion 2b of the angle iron 2, the marking jig is used until the contact surface of the positioning jig 11 contacts the right end surface S2 of the angle iron 2. Slide 1 from right to left. FIG. 2 (a)
The right end surface S of the angle iron 2
2 shows a state in which it is brought into contact with 2. At this time, the marking surface S31 of the ruler member 31 is moved from the contact surface S of the positioning member 11 to the contact surface S31.
Since the distance to 11 is set to 5 mm, the marking surface of the ruler member 31 (the right end surface in FIG. 2) S31
Is located 5 mm from the right end face S2 of the angle iron 2.

Finally, a marking line is drawn by the marking needle 3 on the upper surface of the horizontal portion 2a of the angle iron 2 along the marking surface S31 of the ruler member 31 (see FIG. 2B).

As a result, as shown in FIG. 2 (c), the long side L12 of the horizontal portion 2a of the angle iron 2 is located on the upper surface of the horizontal portion 2a of the angle iron 2 at a position 5 mm from the right end face S2 of the angle iron 2. Can be drawn at right angles to the marking line L0.

FIG. 3 shows another embodiment of the marking jig of the present invention. This marking jig is also arranged on the angle iron, similarly to the one shown in FIG.

The marking jig 1 has two L-shaped positioning members 11.
Reference numerals 1 are vertically arranged on the right end face of the holding member 21.

The horizontal portions 11b of both positioning members 11 are opposed to each other in the vertical direction, the vertical portion 11a of the upper positioning member 11 projects upward, and the vertical portion 11a of the lower positioning member 11 is It protrudes downward.

When the marking jig 1 is used to draw a marking line, the contact surface of the positioning jig 11 (see FIG. 3) with the holding member 21 along the vertical surface of the vertical portion 2b of the angle iron 2 is also used. Then, until the marking jig 1 is slid from right to left until the vertical end 11a of the lower positioning jig 11 abuts on the right end S2 of the angle iron 2, the ruler member 31 is moved to the predetermined position. Can be arranged at the position.

In the present embodiment, as the object on which the marking line is drawn, an angle steel arranged so that the left-right direction is the length direction is used, but the object is not limited to this. Has a plane perpendicular to the marking line,
Any member can be used as long as the positioning member can be hooked on one end of the holding member along the surface. Further, the ruler member may be attached to the holding member so as to be detachable. In this case, a plurality of ruler member mounting positions may be provided on the holding member at predetermined intervals, and the position where the ruler member is mounted may be changed depending on the position where the marking line is drawn.

Further, the positioning member may be detachably attached to the holding member. In this case, a plurality of positioning member mounting positions may be provided at predetermined intervals on the holding member, and the mounting position of the positioning member may be changed depending on the position where the marking line is drawn.

[0027]

As described above, according to the present invention,
A positioning member to be placed in contact with one end surface of the object,
A holding member extending from one end of the positioning member along the longitudinal direction of the object; and By simply sliding the marking jig from right to left until the contact surface abuts on one end surface of the object, the ruler member can be placed at a predetermined position, so that the working time when drawing the marking line is reduced. Can be shortened.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a marking jig of the present invention.

FIG. 2 is a process explanatory view showing an operation procedure for drawing a marking line using the marking jig and the marking needle shown in FIG. 1;

FIG. 3 is a perspective view showing another embodiment of the present invention.

FIG. 4 is a perspective view showing an example of a conventional backing jig, scale, and marking needle.

FIG. 5 is a process explanatory view showing a procedure for drawing a marking line using the contact metal jig, the scale, and the marking needle shown in FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Marking jig 2 Angle iron 3 Marking needle 11 Positioning member 21 Holding member 31 Ruler member

Claims (1)

[Claims] 1. A marking jig for drawing a marking line at a position separated by a predetermined distance from one end surface of an object in a longitudinal direction of the object, wherein the marking jig is attached to one end surface of the object. A positioning member to be placed in contact with a holding member extending from one end of the positioning member along the longitudinal direction of the object;
A ruler member extending in a direction perpendicular to the longitudinal direction of the object from an arbitrary position of the holding member; and a positioning member abutting on one end surface of the object from a marking surface of the ruler member. A marking jig, wherein a distance to a contact surface is set to the predetermined distance.