JPS623897A - Shape steel assembly equipment - Google Patents

Abstract

PURPOSE:To prevent the reversal of the stock under assembly and to enable the reduction in assembly time and the automation by performing the positioning of at least one part of the flange stock against the web stock fed in with its horizontal state and by pushing the web stock as well. CONSTITUTION:A web 2 is placed on a driving roller 8 and supporting roller 24 and advanced until its abutting to a stopper 70. A flange 3A is inserted between the upper part roller 32A of a positioning means 30 and the lower part roller 31 in its lying state of its side face 3a down and side face 3d up and advanced until its front end face abutts a stopper 70. A roller 61B is pushed out by the fluid pressure cylinder 66 of a pressing means 60 and combined in H shape after positioning similarly a flange 3B as well. The joining part is welded after said combination. The assembly time can therefore be reduced and the automation and unmanning are enabled.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an apparatus for assembling steel sections such as H section steel, ■ section steel, or T section steel.

[Prior art]

For example, when forming an H-beam with a strip-shaped web and a flange, the conventional method is to stand the web upright on the marked flange, temporarily attach it to the mark, and then turn it over and attach the flange on the opposite side in the same way. is temporarily attached.

For this reason, conventional methods required a large number of man-hours and were inefficient.

[Purpose of the invention]

An object of the present invention is to significantly improve efficiency when manufacturing a section steel by welding a strip-shaped web and a flange.

[Invention configuration]

That is, the section steel assembly apparatus of the present invention includes a feeding means for feeding a belt-like web in a horizontal state, a positioning means for positioning at least one of the belt-like flanges lying horizontally with respect to the web, and a positioning means for positioning at least one of the belt-like flanges lying on the web, It is characterized by comprising a pressing means for pressing the horizontal side of the web against the inner surface of the flange.

C Example] An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 to 3, the section steel assembly apparatus 5 of the present invention is mainly composed of a feeding means 6, a positioning means 30, and a holding means 60, but for ease of understanding, each means will be explained separately. .

(1) As shown in FIG. 1, the feeding means 6 consists of an actively driven drive roller 8 and an idle roller 9. Move it forward in the direction of arrow A while pressing it horizontally. The drive roller 8 is driven by a motor 7, as shown in FIG.

The distance between the two rollers 8 and 9 can be changed when the width of the web 2 is changed. As shown in FIG. 3, the drive roller 8 includes two rollers 8A.
, 8B, and the roller 8A is fixed to the left end of the drive shaft 10. The roller 8B can be fixed at any location on the drive shaft 10 having the waste key 12, and in this embodiment,
A fixing screw 11 is used for fixing it.

On the other hand, the idle roller 9 consists of two rollers 9A and 9B, as shown in FIG.
3 is fixed to the left end of the roller 88 so as to face the roller 88.

The roller 9B can be fixed at any location on the driven shaft 13, and in this embodiment, a fixing screw 14 is used for fixing the roller 9B. However, this roller 9B is fixed so as to correspond to the roller 8B.

The idle roller shaft 13 has a pair of left and right arms 15A,
It is attached to an elevating frame 16 via 15B, and this elevating frame 16 can be raised and lowered by an elevating means 17. The arms 15A and 15B are bolted to the lifting frame 16 with rubber gaskets G in between. Further, as shown in FIG. 3, female screw members 18 are fixed to both ends of the lifting frame 16, and a screw shaft 19 is screwed into the female screw members 18. The screw shaft 1
The lower part of 9 is fixed to the beam 20.

Further, a cheno wheel 21 having a handle 23 is fixed to the upper end of each screw shaft 19, and a cheno wheel 22 is hung between these two cheno wheels 21.

Since the elevating frame 16 is raised and lowered by turning the handle 23, the web 2 placed on the drive roller 8 can be pressed by the idle roller 9.

This elevating means may be other than a screw, for example, a cylinder or the like.

Further, as shown in FIG. 1, a driven support roller 24 is disposed in front of the feeding means 6, that is, on the upstream side in the direction in which the web 2 is advanced, and supports the web 2 from below. This support roller 24 has the same structure as the drive roller 8 described above except for the sliding key, and the interval between them can be changed according to the width of the web 2.

(2) With regard to the short side advance of the stand, the section steel assembly device 5, as shown in FIG.
Two sets of positioning means 30 are provided for positioning the web 2 and the flanges 3A, 3B, and they are arranged at a constant distance in the front and rear directions with respect to the traveling direction of the web 2 and the flanges 3A, 3B.

As shown in FIG. 2, each positioning means 30 includes a driven lower roller 31 and two driven left and right upper rollers 32.
A and 32B, and the lower roller 31 has a collar 33 at the end.
A, 33B.

The lower roller 31 is attached to the support frame 35 via a bearing 34, and can be raised and lowered together with the support frame 35 by an elevating means 36. As shown in FIG. 2, in the elevating means 36, a screw shaft 39 is engaged with a female screw member 38 fixed to each fixed frame 37, and the upper part of the screw shaft 39 is fixed to the support beam 35. Furthermore, a chain wheel 40 is fixed to the lower end of each female screw member 38, and a chain wheel 43 is hung between these chain wheels 40 and a chain wheel 42 having a handle 41. By turning the handle 42, the height of the lower roller 31 can be determined.

The upper roller 32A has a &W 44A facing the left end collar 33A of the lower roller 31, and is rotatably attached to a pin 46A of the roller support 1-45A. This roller support 45A is the fluid pressure cylinder 4
7A, it can be raised and lowered, and a guide rod 48A is used to prevent it from rotating. Further, the fluid pressure cylinder 47
A is the bracket 5 fixed to the guide arms 49, 50
It is fixed at 1A.

Further, the upper roller 32B has a flange 44B opposite to the left end flange 33B of the lower roller 31, and is rotatably attached to a pin 46B of a roller support 45B. This roller support 45B is a fluid pressure cylinder 47B.
It can be raised and lowered by a guide rod 48 to prevent rotation.
I am using B. Further, the fluid pressure cylinder 47B is attached to a U-shaped saddle member 52 that straddles the guide arms 49, 50. This saddle member 52 is a guide arm 49
．． 50, and a fixing screw 53 is used for the fixing.

The lower roller 31 is attached to the lower side surface 3 of the flanges 3A and 3B.
This lower roller 31 supports the roller a from below.
The position of the inner joint surfaces of the flanges 3A and 3B with respect to the side surface 2c of the web 2 can be determined by raising and lowering the flange. Further, in FIG. 2, the position of the right flange 3B can be determined by moving the right upper roller 32B left and right.

(3) About the flange As shown in FIG.
, which are arranged at a constant distance from each other in the direction of movement of the flanges 3A and 3B.

As shown in FIG. 3, each presser means 60 is composed of driven presser rollers 61A and 61B. In the figure, the left presser roller 61A is rotatably attached to a roller support 63A fixed to a column 62 by a pin 64A. It is attached.

The contact surface of this pressing roller 61A with the flange 3A forms a reference surface S of the side surface of the section steel to be assembled.

On the other hand, the right pressing roller 61B is a roller support 63.
The roller support 63B is rotatably attached to the roller support 63B by a pin 64B, and the roller support 63B can be moved left and right by a fluid pressure cylinder 66. Moreover, the roller support 63B
A guide rod 65 is provided in parallel to the fluid pressure cylinder 64.

Thus, the web 2 and the right flange 3B can be pressed against the left flange 3A by the pressing roller 63B.

(4) About the stopper As shown in FIG. 1, there is a stopper 70 on the most downstream side of the section steel assembly device 5. For example, when assembling one web 2 and two flanges 3A, 3B into an H shape, this stopper 70
, 3B, and the head 78 of this stopper 70 has a U-shaped cross section as shown in FIG. 5, and a stop plate 73 is attached to the front surface of the head 78.

As shown in FIG. 4, the head 78 of this stopper 70 is connected to the column 72A via the left and right arms 72A, 72B.
, 72B is fixed to a rotatably provided shaft 71.

This stopper 70 includes a web 2 and two flanges 3A,
This is to align the front end with 3B, so its head 7
8 are disposed at opposite positions of the web 2 placed on the drive roller 9 and the support roller 24. Further, a pin 75 is used to support the head portion of the stopper 70 facing the web 2. This pin 75 is the pillar 74A
, 74B to the arm 72A.

It is inserted into the hole 77 bored in 72. And pin 75
When the stopper 70 is pulled out from the hole 77 in the arm, the stopper 70 can be rotated clockwise together with the arms 72A and 72B and laid down.

Next, one web 2 and two flanges 3A.

The case of assembling H-section steel from 3B will be explained.

- (1) In advance, the stopper 70 is erected, and the stopper 70 is fixed to the supports 74A and 74B with pins 75 (see FIG. 1).

■ Next, the lower roller 3 in the flange positioning means
Adjust the height of 1. This adjustment can be made by rotating the handle 41 (see FIG. 2).

Next, the upper roller 32B is moved to a predetermined position and fixed with the screw 53 (see FIG. 2).

(2) Next, the web 2 is placed horizontally on the drive roller 8 and the support roller 24, and is advanced until its front end abuts against the stopper 70.

■ Next, insert the flange 3A between the upper roller 32A and the lower roller 31 of the positioning means 30 in a lying state with the side surface 3a facing down and the side surface 3d facing up, until the front end surface hits the stopper 70. advance.

■ Next, insert the flange 3B between the upper roller 32B and the lower roller 31 of the positioning means 30 in a lying state with the side surface 3a facing down and the side surface 3d facing up, until the front end surface hits the stopper 70. advance.

(2) Next, when the roller 61B is pushed out to the left in FIG. 3 by the fluid pressure cylinder 66 of the pressing means 60,
In FIG. 2, the left end 2C of the web 2 is pressed inside the flange 3-A, and the right flange 3-A is pressed against the inside of the flange 3-A.
The inside of B is pressed against the right end 2d of the web 2,
These are combined into an H shape.

■Next, the idle roller 9A of the feeding means 6.

9B presses the web 2 against drive rollers 8A, 8B.

(2) Next, the pin 75 of the stopper 70 is pulled out and the stopper 70 is rotated clockwise to retreat from the front surface of the web 2 and flanges 3A and -3B.

(2) Next, when the driving rollers 8A and 8B are driven, the web 2 and the flanges 3A and 3B are fed out from the steel section device 5 in an H-shaped and assembled state.

At that time, if a part of the joint between the web 2 and the flanges 3A and 3B is temporarily attached, the web 2 and the flanges 3A and 3B can be
B will move forward at the same time without shifting from each other.

[Phase] Next, the joint portion 4 between the web 2 and the flanges 3A and 3B is temporarily attached using a welding machine (not shown).

■ Finally, the temporary welding points above are finally welded to form an H shape! i
l becomes 1.

In the above description, the case of assembling H-beam steel has been explained, but T-beam steel or T-beam steel can also be assembled. When assembling T-beams, only one flange will be used.

〔Effect of the invention〕

As described above, the present invention includes a feeding means for feeding a strip-shaped web in a horizontal state, a positioning means for positioning at least one strip-shaped flange lying on its side with respect to the web, and a positioning means for positioning at least one strip-shaped flange lying on its side with respect to the web. Since it is comprised of a pressing means that presses the side of the web in a horizontal state against the inner surface, there is no inversion of the material during assembly, and assembly time can be shortened. Furthermore, since marking is no longer necessary as in the past, efficiency is improved accordingly.

As mentioned above, the steel sections can be assembled by simply passing webs and flanges through the apparatus of the present invention, and by incorporating the tack welding apparatus and the present welding apparatus into the apparatus, automation and unmanned operation become possible.

[Brief explanation of the drawing]

FIG. 1 is a side view of a section steel assembly apparatus according to the present invention, FIG. 2 is a sectional view taken along line nm in FIG. 1, FIG.
The figure is a front view of the stopper, and FIG. 5 is a side view of the stopper. 2... Web, 3A, 3B... Flange, 6...
Feeding means, 30... Flange positioning means, 60.
...Holding means.

Claims (1)

[Claims] a feeding means for feeding a strip-shaped web in a horizontal state; a positioning means for positioning at least one strip-shaped flange lying on its side with respect to the web; and a side portion of the web in a horizontal state on the inner surface of the positioned one flange. A section steel assembly device comprising: a presser means for pressing;