JP2568254Y2 - Windshield jig for rebar welding - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application] This invention is used for welding rebars.
The present invention relates to improvement of a windshield jig to be used.

[0002]

2. Description of the Related Art Two rebar ends are abutted against each other.
Avoid welding defects caused by wind when welding
For this purpose, a windshield jig is often used.

FIG . 5A and FIG.
This is an example of such a case. This is the welding of both reinforcing bars a, a '
Wind on the side where the torch c or welding rod is inserted
A jig d is attached to cover the welded portion b.
You. Then, insert the torch c or welding rod into the windshield jig d.
A window hole e for insertion is opened at the center of the rectangular frame.
You.

[0004]

The present invention is to provide a windshield jig d described above
It only covers a part of the welded part b, up to other parts
Blows in the direction of each arrow in FIG.
The weld b cannot be protected from the wind. therefore
When using the windshield jig d, always
Network cannot be held normally,
Therefore, poor welding tends to occur.

[ Purpose of the Invention ] The present invention is based on such technical
In consideration of the problem, a reinforcing steel melt that can improve the windshield effect
It is intended to provide a windbreak jig for use. Present invention
Is also required for this type of windshield jig.
Stable support, improved workability, simple assembly of parts, exchange of parts
To solve issues such as interchangeability and weight reduction.
You.

[0006]

SUMMARY OF THE INVENTION According to the present invention, for rebar welding.
The following issues must be solved in order to achieve the intended purpose.
It is characterized by decision means. That is, for the reinforcing bar welding according to the present invention.
A windshield jig includes a frame-shaped member having openings on both upper and lower surfaces, and a frame.
A cover member for closing the lower opening of the shaped member,
A sandwiching member for forming a penetration space and a welding fusion
A backing member having a liquid receiving surface; and
And insert the end of the reinforcing bar inside the frame member from outside the frame member.
Reinforcement insertion holes for insertion are on the left and right walls of the frame-shaped member.
A part of each of these left and right walls is
That it is formed by denting it toward
And inside the frame-shaped member, near the left wall.
The part near the right side wall and the inner surface of the cover member
Any of these places, near the end and near the right end
Crimping members are attached and the space between the reinforcing bars is
Being formed inside the sandwiching member;
Cover member with its welding melt receiving surface facing upwards
And the cover member is held on the inner surface side of the
The lower part of the frame-shaped member
-The members are detachably united,
-Inside the frame-shaped member united with the member,
Between the inner surface of the left wall and the inner surface of the right wall of the backing member
Between the rebar insertion holes of the frame-shaped member
The space between the rebars and the welding melt receiving surface are in a row on the line connecting
It is characterized by being lined up.

[0007]

[Function] When welding two rebars, attach the ends of both rebars.
Face-to-face with a slight gap between these ends
It is common to make it exist. Performing such rebar welding under a windshield
When applying, the ends of both reinforcing bars facing each other are
You have to put it inside.

[0008] In the case of the windshield jig for rebar welding according to the present invention.
Is the inside of the frame-shaped member whose bottom opening is closed by the cover member
Becomes the windshield area. Inside the frame-shaped member (windshield area)
Rebar sandwiched on the line connecting the rebar insertion openings of the frame-shaped member
The gap and the welding melt receiving surface are arranged in a line. Therefore, both
Ends of both rebars interposed in frame member through rebar insertion opening
Are facing each other, these are empty
It is supported by the gap and the welding melt receiving surface and is stable. Like this
To set the ends of both rebars to the draft shield or to a stable state.
After that, that is, after securing favorable conditions for welding,
From the top opening of the frame member to the welding torch or welding rod
And weld the ends of both rebars. During this welding, the spa
Sparks such as tta do not scatter outside. Welding
The liquid also remains on the welding melt receiving surface of the backing member. Welding
After finishing, disassemble the frame member and cover member and
Just remove the streaks.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a windshield jig for rebar welding according to the present invention will be described.
First, those illustrated in FIGS. 1 to 3 will be described.
You.

FIGS. 1A and 1B and FIGS. 2A and 2B.
In FIG. 3, 1 is a frame member, 2 is a cover member, and 6 is
A magnet, 7 is a sandwiching member, and 9 is a backing member.
You.

As is apparent from FIGS. 1 and 2, the frame
Shaped member 1 is front wall 1a, rear wall 1b, left side wall 1c, right side
A planar square with a wall 1d, which has a top surface
There is an opening 1e or a lower opening 1f.
A pair of horizontal connecting plates 3.3 'are a front wall 1a and a rear wall 1b.
It is integrated into the lower end and are outward out Zhang Ri. left
The lower part of the wall 1c and the right side wall 1d is substantially V-shaped.
Protrude below the lower ends of the front side wall 1a and the rear side wall 1b.
A semicircular recess at the sharp lower end of each of the side walls 1c and 1d.
Reinforcing bar insertion holes 4 and 4 'are formed. Such a structure
The frame member 1 is made of iron plate as an example, and
And made of copper plate.

As can be understood from FIG . 1 and FIG.
The member 2 has a substantially V-shaped bent shape.
It is large enough to close the lower opening 1f.
You. A pair of horizontal links are provided at the front edge and the rear edge of the cover member 2.
The ties 5,5 'are integrated and these are stretched outward.
Is out. The cover member 2 is the lower surface of the frame-shaped member 1.
When applied to the opening 1f side, a substantially V-shaped frame-shaped member 1 is formed.
With the lower left wall and the lower right wall
Both connection plates 3, 3 'of the frame member 1 and both connection of the cover member 2
The plates 5 and 5 'overlap. like this
The cover member 2 having a simple structure is also made of an iron plate or a copper plate.
Or

The cover member 2 is connected to the lower surface opening 1 of the frame-shaped member 1.
When these are combined by applying to the f side,
In order to maintain the state, both connecting plates 3.3 'on the frame-shaped member 1 side
Detachable fixing between the connecting plate 5.5 and 5 'on the cover member 2 side
Stop by means. The fixing means for this is magnet, screw,
The magnet 6 may be used in the illustrated example,
Have been. This is a magnet on the inner surface of one connecting plate
6 are attached to each other, and the other
The plates 3 and 3 'are adsorbed. In this case
The connecting plates 3 and 3 'are attracted by the magnet 6.
Therefore, the material mentioned above is made of iron plate
Become.

Referring to FIGS. 1 and 2, the sandwiching member 7 is substantially U-shaped.
It has a character shape. Specifically, the sandwiching member 7 is U
B-shaped main body 7a and bent inward from both ends of main body 7a
And a space inside the main body 7a is a reinforcing bar.
It is a sandwiched space (the sign is
Is not appended). The sandwiching member 7 is provided on the inner surface of the cover member 2.
It can be attached. Pinching in cover member 2
The mounting position of the member 7 may be a position near the left end of the cover member 2 or
This is a place near the right end. So one of the sandwiching members 7 is iron
Near the left edge of the inner surface of the cover member with the space between the streaks facing upward
Attached. Another one of the sandwiching members 7 is also made of iron.
Near the right edge of the inner surface of the cover member with the space between the streaks facing upward
Attached. Clamping seen member 7 with such a configuration
Is made of a leaf spring made of phosphor bronze, for example.

Referring to FIG. 1 to FIG.
The locking member 9 has a semi-cylindrical shape such as a vertically divided cylinder.
The upper surface, that is, the concave semi-circular surface is used as the welding melt receiving surface.
(No reference is given to the welding melt receiving surface). Ba
The locking member 9 is also held on the inner surface of the cover member 2,
The holding position is the central part of the inner surface of the cover member 2,
Is also between the left-side sandwiching member 7 and the right-side sandwiching member 7. Ba
The center of the inner surface of the cover member 2 for holding the locking member 9
Are the four holding pieces 8.8 'attached to the part symmetrical back and forth?
It is symmetrical. And the weld melt receiving surface facing up
The backing member 9 is formed through these holding pieces 8.8 '.
And is held on the inner surface of the cover member 2.

FIG. 2 shows the frame-shaped member 1 and the cover member 2 described above.
1 (A) and 1 (B) in the frame-shaped member 1 when united.
Is located between the inner surface of the left side wall 1c and the left end of the backing member 9.
While the side sandwiching member 7 intervenes, the inner surface of the right side wall 1d is
The right sandwiching member 7 intervenes between the right end of the locking member 9 and
Moreover, a reinforcing bar is sandwiched on the line connecting the two reinforcing bar insertion ports 4.4 '.
The filling space and the welding melt receiving surface are arranged in a line.

Next, a windshield jig for welding a reinforcing bar according to the present invention.
FIG. 4 illustrates another embodiment other than the above.
You.

In the embodiment shown in FIG . 4, the above-described leaf spring is used as a material.
The holding member 7 is formed in an inverted U-shape, and its main body is
The sandwiching piece 7b and the mounting piece 7c are continuous at both ends of the portion 7a.
You. The sandwiching member 7 in this example has a front side wall with respect to the frame-shaped member 1.
1a and the inner surface of the rear side wall 1b.
The specific mounting position is the left end of the front side wall 1a and the rear side wall 1b.
Or near the right end. So one set (before and after)
The pair of sandwiching members 7 are arranged in front of the mounting members 7c.
Attached near the left end of the inner surface of the side wall 1a and the inner surface of the rear wall 1b
Have been. Another pair (a pair of front and rear) of the sandwiching members 7
Through the mounting pieces 7c, the inside of the front wall 1a and the inside of the rear wall 1b
Mounted near the right edge of the surface. Thus frame-shaped member 1
Each pair of sandwiching members 7 attached to the inner surface of
A space sandwiching the reinforcing steel is interposed between the facing portions.

Other technical matters in the embodiment of FIG .
Is substantially the same as described above. Therefore, FIG.
Other technical matters information about the embodiments, described above
The description is omitted because it refers to the contents of.

In the embodiment shown in FIG . 4, the frame-shaped member 1 and the cover
In the frame-shaped member 1 when the material 2 is combined, the left side wall 1c
The left sandwiching member 7 is located between the inner surface and the left end of the backing member 9.
Intervening, the inner surface of the right wall 1d and the right end of the backing member 9
Between the right pinching member 7 and
The space between the reinforcing bars and the space between the bars connecting the
The tangential melt receiving surfaces are arranged in a line.

Among the windshield jigs for rebar welding according to the present invention,
The components illustrated in FIGS. 1 and 2 are used as follows.
Can be. Both irons aligned for welding
The streaks A1 and A2 each have a gap B at one end face B2 and B3.
1 facing each other. Wind these rebar ends
The frame-shaped member 1 and the cover member 2 before prevention are in a separated state.
You. So, at the beginning, the opposite ends of both reinforcing bars A1 and A2
Cover member 2 is applied to the part from below,
Both rebar ends are located inside the sandwiching member 7 (rebar sandwiching space).
The cover member 2 is attached to both rebars A1 and A2 so as to fit.
Press firmly toward the circumference. In this way, both rebars
The end fits in the space where the reinforcing bar is sandwiched while opposing both sandwiching members 7
It is jammed and pinched by these pinching members 7.
At this time, the backing member 9 also has an upper surface (weld melt receiver).
Face) to receive the underside of both ends
Touch After this, the frame-shaped member 1 is attached to the upper surface of both rebar ends.
Cover it from the side and combine it with the cover member 2.
In this case, both rebars A1 and A2 are fitted in the rebar insertion holes 4.4 '.
Covering the connecting plates 3.3 'on the frame-shaped member 1 side
Abutting against the connecting plates 5, 5 'on the material 2 side,
.The magnet 6 on the 5 'side attracts the other two connecting plates 3.3'
I do. Thus, the frame-shaped member 1 and the cover member 2 are united.
Sometimes, both rebars A1 and A2 are placed in the windshield area surrounded by these.
The end of is stably fit. The following is framed according to the usual law
Insert a welding torch T etc. through the upper opening 1e of the member 1.
Then, the ends of both reinforcing bars may be welded. After finishing welding,
The frame member 1 and the cover member 2 are disassembled, and the cover member 2 side is disassembled.
To remove the welding rebar by pulling it out of the
Remove.

When welding rebars as described above
Because the ends of both rebars A1 and A2 are in the windshield area,
Poor welding is unlikely to occur due to the influence of wind. in addition,
Sparks such as spatters do not scatter outside,
Melting of the backing member without the welding melt flowing out
It is convenient because it can be received on the contact surface of the contacting liquid.

Among the windshield jigs for reinforcing steel welding according to the present invention,
The embodiment illustrated in FIG. 4 is different from the embodiment of the sandwiching member 7.
The other parts are substantially the same as those shown in FIGS. I
Therefore, the one illustrated in FIG. 4 is also the case of FIGS.
By using according to the contents described in
Good rebar welding can be performed.

[0024]

[Effect of the Invention] The windshield jig for reinforcing steel welding according to the present invention has a frame.
A space surrounded by a shaped member and a cover member is used as a windshield
When the ends of both rebars are placed in the windshield area,
All surrounding parts except part of these rebar ends (top side)
It shows a high windshield effect because it covers
You. Therefore, when using the windshield jig,
Defects due to welding are almost completely dependent on the high windshield effect.
Can be avoided on the feet. And fire such as spatter
There is almost no danger of powder scattering.

The windshield jig for rebar welding according to the present invention is
In addition, the holding member for forming the reinforcing bar holding space is
It is also a type that is provided in the windshield area. Such a sandwiching member
Is melted by fitting the end of the reinforcing bar into the
The end of the rebar at the time of contact is supported in a stable state. Ie this
Causes a relative displacement between the jig and the ends of both rebars.
From this point of view,
Can be satisfactorily welded.

The windshield jig for reinforcing steel according to the present invention further comprises
The backing member having the weld melt receiving surface on the top
It is also a type that is provided in the windshield area. This backing part
It is said that the melt generated during welding flows out elsewhere.
Prevents melt contact with people and other objects during welding work
Accidents are unlikely, and cleaning up is easy. In addition,
The king member also contributes to the stable support of the rebar ends.

In the case of the windshield jig for rebar welding according to the present invention.
Fits the ends of both rebars into the space between the windshields
When it is applied to the welding melt receiving surface,
Just combine with the cover member, and both ends of the rebar after welding
The windshield area can be obtained by simply disassembling the frame-shaped member and the cover member.
Can be taken from This frame-shaped member and the cover portion
Workability is improved because it is only an operation to combine and disassemble materials.
No.

In the windshield jig for rebar welding according to the present invention,
Is that only the frame and cover members are independent
In addition, the pinching member and backing member are also independent
Are attached to both these main members. like this
If there is any problem, provide a space between the windshield and the weld melt receiving surface.
Can be easily assembled, resulting in partial damage
Parts replacement can be minimized. Ma
Also, make sure that the rebar ends are facing each other in the windshield area.
The frame and backing members are stable because they are stable.
Parts and cover members function as covers or hoods
Therefore, this type of frame member / cover
-Overall weight is reduced compared to conventional products that require heavy members.

[Brief description of the drawings]

FIG. 1A is a view of a windshield jig for reinforcing steel welding according to the present invention.
FIG. 4 is a longitudinal sectional front view showing the embodiment together with a use state thereof.
(B) is a longitudinal side view along the line XX in FIG.
is there.

FIG. 2A is a perspective view of a frame-shaped member in the above embodiment.
(B) is a perspective view of the cover member in the above embodiment.
FIG.

FIG. 3 is a perspective view of a backing member in the embodiment.
is there.

FIG. 4 shows another embodiment of a windshield jig for reinforcing bar welding according to the present invention.
It is the longitudinal front view shown.

FIG. 5 (A) shows a conventional windshield jig for reinforcing steel welding.
It is the side view shown with the use state, (B) is a plane same as the above.
FIG.

[Explanation of symbols]

A1 Rebar A2 Rebar B1 both rebar end face between the gap B2 rebar end face B3 reinforcing bar end face 1 Wakugata member 1a front wall 1b rear wall 1c left side wall 1d right wall 1e upper opening 1f surface opening portion 2 covering member 4 rebar insertion opening of the 4 'reinforcing bar insertion port 7 sandwiching member 9 backing member

 ────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-3-193296 (JP, A) JP-A 1-220267 (JP, A)

Claims (1)

(57) [Scope of request for utility model registration] 1. A frame-shaped member having openings on both upper and lower surfaces, and a frame
A cover member for closing the lower opening of the shaped member,
A sandwiching member for forming a penetration space and a welding fusion
A backing member having a liquid receiving surface; and
And insert the end of the reinforcing bar inside the frame member from outside the frame member.
Reinforcement insertion holes for insertion are on the left and right walls of the frame-shaped member.
A part of each of these left and right walls is
That it is formed by denting it toward
And inside the frame-shaped member, near the left wall.
The part near the right side wall and the inner surface of the cover member
Any of these places, near the end and near the right end
Crimping members are attached and the space between the reinforcing bars is
Being formed inside the sandwiching member;
Cover member with its welding melt receiving surface facing upwards
And the cover member is held on the inner surface side of the
The lower part of the frame-shaped member
-The members are detachably united,
-Inside the frame-shaped member united with the member,
Between the inner surface of the left wall and the inner surface of the right wall of the backing member
Between the rebar insertion holes of the frame-shaped member
The space between the rebars and the welding melt receiving surface are in a row on the line connecting
Windbreak for rebar welding characterized by being lined up
Utensils.