JP3394969B2 - Roller straightening device for H-section steel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION The present invention relates to an H-shaped steel
To pass through a group of rollers arranged along the longitudinal direction
Therefore, the present invention relates to a straightening device for straightening. [0002] 2. Description of the Related Art As a device for correcting warpage of an H-section steel,
Generally, cantilever type roller straightening machines have been used.
Technology aimed at solving various problems in the roller straightening machine
For this, reference is made to JP-B-56-40645. By the way, in recent years, for example, the H-shape having a constant foreign law
There is a tendency to require high-mix low-volume production like steel.
The types of H-shaped steels to be corrected are extremely large. So
Then, in such correction work, as disclosed in the above publication
The size of the H-beam to be straightened when applying the device
Need to be replaced with a suitable roller each time is changed
That require a great deal of labor and time
Was profitable. In particular, the web
In addition to replacing the pressure contact roller, the flange end pressure contact roller and flange
When replacing the external surface restraining roller, the load of replacement work
Has become so large that improvements in this regard have been called for.
Was. [0004] SUMMARY OF THE INVENTION The object of the present invention is to
Even if there is a change in the size of the H-beam to be corrected, we can respond quickly
If it is necessary to replace the rollers,
To propose a new straightening device that can be executed easily and quickly
There is. [0005] SUMMARY OF THE INVENTION The present invention provides an H-section steel flange.
Adjustable roller opening to hold down the flange from both left and right sides
A pair of flange restraining rollers and a web of H-section steel
Adjustable roller opening for press-contact on at least one of front and back
Pair of left and right web press rollers and H-section steel flange
Each tip of can be press-contacted regardless of width dimension fluctuation
Roller unit combined with flange tip pressure roller
The roller unit is installed along the longitudinal direction of the H-section steel.
The web is arranged in a staggered array on the front and back of the web.
Frame, each roller unit
Moving mechanism to move the unit along the longitudinal direction of the H-section steel
A roller straightening device for H-section steel, wherein
You. [0006] According to the present invention, various types of H-shaped steel, including a constant H-shape, are used.
It can correspond to the straightening of the H-section steel that becomes the size
Each roller has a function to change the roller opening, and
Flange restraint roller, web press roller and flange
In the body frame, the combination of the tip pressure roller is one unit
In such a configuration,
Even when straightening H-beams with different sizes, each roller
The range by adjusting the roller opening
Roller replacement frequency less frequently
It is possible to change the rollers
If you need to replace the whole unit
Minimum effort and time required for roller replacement
Can be stopped. [0007] BRIEF DESCRIPTION OF THE DRAWINGS FIG.
You. 1 and 2 show an example of a roller straightening device according to the present invention.
This is schematically shown, and 1 in the figure should be corrected.
H-beam 2, H-beam 1 flange 1a from the left and right sides
This is a restraining roller for holding down, and this restraining roller 2
The roller opening W can be adjusted. Also, 3
At least one of the front and back sides of the web 1b of the H-section steel 1
A web pressure roller capable of being pressed,
Roller 3 also has roller opening W₁Can be changed
You. 4 presses each tip of the flange 1a of the H-section steel 1
This is a flange tip pressure contact roller,
The contact roller 4 is also a flange restraining roller 2 and a web press contact roller.
Roller opening W as well as roller 3_TwoCan be changed
I have. The details of the roller 4 will be described later.
Move the slide frame up and down to hold it rotatably
To adjust the rolling force (of the H-section steel flange)
Function to be able to respond to changes in width dimensions)
You can do it. An apparatus according to the present invention is a roller straightening device for H-section steel.
The main unit is connected to the flange restraining roller 2 and the web pressing roller.
3 and flange tip pressing roller 4
Roller unit U as one unit₁~ U₉Each configuration
The roller unit U extends along the longitudinal direction of the H-section steel 1.₁
~ U₉As a staggered array on the front and back of web 1b
The structure is built into the body frame F.
LA unit U₁~ U₉Is the longitudinal direction of the H-section steel 1
And can move in the direction perpendicular to it.
You. 5 is a roller unit U_Two, U_Four, U₆, U
₈This is a mounting frame for fixing and holding
A drive source 6 such as a motor and a drive source 6
Disposed reduction gear 7 and coupling 8 connected to this reduction gear 7 are arranged.
And clamp the roller unit U inserted from the operation side
Attach to the mounting frame 5 by the cylinder 9
Main shafts 10a and 10b rotatably holding the web pressing roller 3
Of the main shaft 10b is connected to the joint 8
Has become. Reference numeral 11 denotes a roller unit U.₁, U_Three, U
_Five, U₇, U₉Mounting frame for fixing and holding
Here, the lifting frame 12 and this lifting frame 12
A moving elevating device 13 is provided, and the
The roller unit U inserted in the replacement work is clamped
To the mounting frame 11 via the lifting frame 12
Fix it. The mounting frames 5, 11 are held on the body frame F.
A moving mechanism that is held and disposed on the main body frame F
15, the roller unit of each of the mounting frames 5 and 11
Moving the cut U along the longitudinal direction of the H-beam 1
Can change their mutual interval L. Movement mechanism 15
Through the mounting frames 5 and 11 respectively.
The screw which engages with the thread part provided in advance in 5,11
Lew shaft 15a, 15b and this screw shaft 15
a, 15b (both ends of the screw shaft are in the body frame F
Is rotatably held via a bearing. ) Rotating drive
The drive source 15c, 15d can be used. Move
The mechanism 15 is limited to the one having the above configuration.
It is possible to apply various known mechanisms instead of
In particular, the screw shaft 15a,
When using 15b, adjust the screw cutting method and pitch
By changing the screw shaft 15a,
The distance between the roller units (only
Loose roller pitch) can be changed quickly. FIG. 1 shows the roller unit U.₁of
The cross section is shown as a representative. _Two~ U₉Is a roller
Since it has the same structure except for the drive mechanism,
This roller unit U₁Will be described as an example. roller
Opening change sleeve S (Spindle between sleeve and spindle
Key along the axial direction of the main shaft.
It rotates along with the rotation, but moves along the axial direction of the spindle.
The main shaft 10a having the
And chock 18, 19 are supported. Drive side chopping
The clamp 18 is fixed to the unit frame 20, and the operation side choke is
19 is slidably assembled in the unit frame 20
And the sleeve S is moved by the moving device 21 in the axial direction of the main shaft 10a.
To move the web pressing roller 3
Opening W₁To change. 22 is the thrust of the spindle 10
Bearing, and this bearing 22 is also contained in the unit frame 20.
It has been incorporated. Flange restraint roller 2 and flange tip pressure welding
Rollers 4 are attached to chocks 18 and 19, respectively.
Of these, the flange tip pressing roller 4 is
And is supported by a vertically movable slide frame 23
And the tip of the flange 1a of the H-section steel 1
The end is pressed with a predetermined force. About flange restraint roller 2
On the guide frame 25 attached to the chocks 18 and 19.
And connected to a slidable slide block 26
The device 27 causes the flange restraining roller 2 to
Pressing from the outside prevents its collapse
You. Flange restraining roller 2, web press roller
3. Flange tip pressure roller 4, Web pressure roller 3
Check only the arrangement of the main spindle 10a and sleeve S to be held.
FIG. In addition, according to the present invention,
The ceiling member of the body frame F constituting the device is connected to the drive source 6
It can be moved up and down considering the connection with the connecting joint 8
It is preferable to keep it. Also, in Figures 1 and 2 above
The roller unit U is inserted and removed from the operation side of the device
However, the present invention is not limited to
Equipment and frame
Various embodiments can be considered according to the structure of [0015] According to the present invention, a single roller unit is provided.
H-sections can be reduced almost simultaneously in the
And adjust the opening and position of the rollers in the unit independently.
To meet the demand for H-shaped steel with foreign law, which has been in great demand in recent years.
Can be easily handled even if it is an elephant, greatly improving work efficiency.
I can do better. The main shaft holding the web press roller is at both ends.
Roller load when straightening H-section steel
High strength can be maintained. Further, according to the present invention,
If you take the roller unit out of the line,
Can also take out each roller unit individually
Therefore, the roller can be replaced easily and quickly.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing a configuration of an apparatus according to the present invention. FIG. 2 is a diagram showing a configuration of an apparatus according to the present invention. FIG. 3 shows a main part of the device according to the present invention. [Description of Signs] 1 H-section steel 1a Flange 1b Web 2 Flange restraint roller 3 Web press roller 4 Flange tip press roller 5 Mounting frame 6 Drive source 7 Reduction gear 8 Joint 9 Clamp cylinder 10 Main shaft 11 Mounting frame 12 Elevating frame 13 Elevating Device 14 Clamp cylinder 15a Drive device 15b Drive device 16 Bearing 17 Bearing 18 Roll chock 19 Roll chock 20 Unit frame 21 Moving device 22 Thrust bearing 23 Slide frame 24 Reduction device 25 Guide frame 26 Slide block 27 Reduction device S Sleeve U _{1 to} U ₉ Roller Unit F body frame

────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yoshio Yoshimura 1-chome, Mizushima-Kawasaki-dori, Kurashiki-shi, Okayama Pref. 5-3-28 Hitachi Zosen Corporation (72) Inventor Masao Kimura 5-3-28 Nishikujo, Konohana-ku, Osaka-shi, Osaka Hitachi Zosen Corporation (56) References JP-A-4-288930 (JP) , A) JP-A-5-123752 (JP, A) JP-A-56-100221 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B21D 3/05

Claims (1)

(57) [Claims 1] A pair of flange restraining rollers capable of adjusting the opening degree of a roller for pressing the H-shaped steel flange from both right and left sides, and a web of the H-shaped steel on at least one of the front and back sides thereof. Roller unit that combines a pair of left and right web pressure rollers that can adjust the degree of opening of the roller that presses against each other, and a flange tip pressure roller that can press each tip of the H-section steel flange regardless of variations in width dimensions The roller units are provided in the main body frame along the longitudinal direction of the H-beam in a staggered arrangement on the front and back of the web, and each roller unit is moved along the longitudinal direction of the H-beam on the main body frame. H wherein a moving mechanism is arranged.
Roller straightening device for shaped steel.