The technology for blanking of H profile steel
Technical field
The present invention relates to H profile steel, more particularly to a kind of technology for blanking of H profile steel, belong to petrochemical industry, machine-building neck
Domain.
Background technology
At present, the structure of the engineering such as offshore oil platform, liquefied natural gas module is mainly by the H profile steel of all size
Finished parts connect to be formed.Therefore, the essential process of blanking is carried out for H profile steel.
The finished product beam length of H profile steel is generally 12 meters comprising the finished parts of one or more H profile steels.H profile steel into
The otch of product part is broadly divided into:Flange plate one side otch (it is connected with the H profile steel of the finished parts specification more than H profile steel), the wing
Two kinds of the two-sided otch of listrium (it is connected with the H profile steel of the finished parts specification of identical H profile steel).Every H profile steel finished parts are both needed to
To be completed by the concerned process steps such as line, hand cut by hand, but such a blanking procedure has the disadvantage that:
1. in scratching process, due to need to just can determine that the position of H profile steel flange plate line of cut with angle square repeated measurement, because
This, such a hatched manner production efficiency is relatively low, and there is error, and operation difficulty is larger;
To during, production need are met due to flange plate 3 to 5 millimeters of gaps of need in follow-up group for 2.H shaped steel finished parts
Want (full penetration).Therefore, cause the follow-up amount of doing over again larger, production cost is higher.
The content of the invention
It is a primary object of the present invention to overcome the disadvantages mentioned above that prior art is present, and provide a kind of blanking of H profile steel
Technique, its technique is simple, easy to use, not only significantly reduces the operation difficulty and labor intensity of H profile steel blanking, improves
The quality of H profile steel blanking;Moreover, having saved the engineering time, production cost is greatly reduced, production efficiency is improved.
The purpose of the present invention is realized by following technical scheme:
A kind of technology for blanking of H profile steel, it is characterised in that:Take following steps:
The first step:Make H profile steel slit-scores template;
Second step:The web of H profile steel is placed in pad pier upward;
3rd step:Beveling is indicated in the web of H profile steel;And it is cut into surface slope along flange plate inner wall edge towards outer wall
Mouthful, it is cut into backing groove along fascia edge towards inwall;
4th step:H profile steel slit-scores template is positioned in H profile steel, along the web of H profile steel otch template, flange plate
Mark the vertical line of cut of H profile steel both sides flange plate outer wall facade, H profile steel web line of cut, web and the abdomen of flange plate junction
Plate line of cut;Then, then using H profile steel slit-scores template sequentially rule;
5th step:Self-inspection is carried out to the finished parts for having completed H profile steel line;
6th step:Cutting personnel are in the termination otch that H profile steel is cut in H profile steel one end;
7th step:The 6th step is repeated, cutting personnel are in the H profile steel other end, cut the otch of H profile steel finished parts;
8th step:The 6th step is repeated, cutting personnel are between the finished parts of H profile steel two, two first cutting bar-shaped flanks
Listrium facade, then junction between web and flange plate is cut, web is then cut, to separate the connection of two H profile steel finished parts;
9th step:The finished parts of H profile steel groove without cutting are moved in pad pier, and the spacing adjusted, then enter
The cutting of the following groove of row;
Tenth step:Repeat the 6th step;That cuts H profile steel finished parts both sides crosses welding hole, welding groove, until by more than one piece H
The finished parts cutting of shaped steel is completed.
In the first step, the flange plate otch of slit-scores template is to slit-scores mould in H profile steel slit-scores template
The spacing of the web of plate is:The thickness of H profile steel flange plate of the H profile steel finished parts otch with intersecting is consistent;H profile steel finished parts with
Web that H profile steel is connected, the circular arc of flange plate angle are corresponding;Wherein, one end of H profile steel slit-scores template is single-blade
Listrium form of cut or cuts, the other end is H profile steel double-vane listrium form of cut or cuts.
In 6th step, to H profile steel flange plate one side otch:Burning torch mouth is directed at H profile steel flange plate facade, by lower
On be cut to end;Now, the gap that H profile steel flange plate inwall can be formed with web angle junction, H types are placed on by burning torch
Steel flange plate inwall using gap to have cut point of contact, and enters along web and the cut-off rule of H profile steel flange plate junction as support
Row cutting, so that the H profile steel flange plate that need to be cut off is separated from H profile steel;Then, then welding hole is cut through, reverse side is identical;Flange plate
Two-sided otch;Burning torch mouth is directed at the vertical line of cut of H profile steel flange plate outer wall facade, is from bottom to top cut to end;Now, H types
The gap that steel flange plate inwall can be formed with web angle junction, successively places burning torch the web surface of H profile steel as support,
Cut using gap as point of contact has been cut, with the flange plate of the parallel excision H profile steel first half, now, both sides H profile steel flange plate
The first half is separated with H profile steel flange plate;And successively cut off the junction of shaped steel both sides flange plate lower half and web;Burning torch
Cut along the welding hole of crossing between H profile steel flange plate, web;Again by H profile steel flange plate fascia edge or inner wall edge under
And the upper cutting for carrying out groove.
Beneficial effects of the present invention:The present invention is due to using above-mentioned technical proposal, and its technique is simple, easy to use, not only
The operation difficulty and labor intensity of H profile steel blanking are significantly reduced, the quality of H profile steel blanking is improved;Applied moreover, having saved
Between man-hour, production cost is greatly reduced, production efficiency is improved.
Brief description of the drawings
Fig. 1 is H profile steel slit-scores template schematic diagram of the present invention.
Fig. 2 is H profile steel putting position schematic diagram of the present invention.
Fig. 3 is H profile steel finished parts length mark schematic diagram of the present invention.
Fig. 4 is the vertical line of cut of H profile steel flange plate of the present invention and web line of cut schematic three dimensional views.
Fig. 5 is H profile steel flange plate transverse cut front schematic view of the present invention.
Fig. 6 is H profile steel web of the present invention and the line of cut top view of flange plate junction.
Fig. 7 is the schematic diagram after H profile steel of the present invention is cut.
Fig. 8 is the schematic diagram that spacing is adjusted after H profile steel of the present invention is cut.
Fig. 9 is the finished parts schematic diagram of the invention by the two-sided otch of H profile steel two ends wing plate list.
Figure 10 is the another finished parts schematic diagram by the two-sided otch of H profile steel two ends wing plate of the invention.
Figure 11 is the finished parts schematic diagram of the invention by H profile steel two ends wing plate one side otch.
Major Symbol explanation in figure:
It is the flange plate of the slit-scores template of 1.H shaped steel slit-scores template 2., the web of 3. slit-scores templates, 4. recessed
Groove, 5.H shaped steel, 6. pad piers, 7.H shaped steel finished parts length mark, 8.H shaped steel flange plates, 9. webs, 10. flange plate facades,
11. welding hole, 14. welding grooves are crossed in the vertical line of cut of outer wall facade, 12. flange plates and web junction, 13..
Embodiment
The present invention takes following steps:
The first step:Such as Fig. 1, shown in Fig. 2, H profile steel slit-scores template 1 is made;
According to the specification of H profile steel 5, manually completed by common galvanized iron sheet;The thickness of galvanized iron sheet is 1 to 5 millimeter;
Above-mentioned H profile steel slit-scores template 1:The otch of flange plate 2 of slit-scores template to slit-scores template web 3
Spacing be:The thickness of H profile steel flange plate 8 of the H profile steel finished parts otch with intersecting is consistent;The present embodiment:Slit-scores mould
The otch of flange plate 2 of plate to the web 3 of slit-scores template is smaller than 3 millimeters;The edge of a wing of another side slit-scores template
The spacing of the otch of plate 2 to the web 3 of slit-scores template is more than or equal to 3 millimeters;
The size of the fillet of the flange plate 2 of slit-scores template is in above-mentioned H profile steel slit-scores template 1:H profile steel finished product
Part corresponding with web 9 that H profile steel is connected, the circular arc of the angle of H profile steel flange plate 8 (web 9 of H profile steel and the H profile steel edge of a wing
The junction of plate 8 is no embodiment in arc, accompanying drawing);
Above-mentioned H profile steel slit-scores template 1:One end is single-blade listrium form of cut or cuts, and the other end is that H profile steel double-vane listrium is cut
Degree of lip-rounding formula;Two ends are alternatively identical flange plate form of cut or cuts;
Second step:As shown in figure 3, carrying out material confirmation to the material of H profile steel 5;And mechanical hoisting mode is used, by H profile steel 5
Web 9 be placed in upward in pad pier 6, the spacing that every H profile steel 5 is put is:300 to 500 millimeters;
3rd step:As shown in figure 4, by set typesetting figure, H types are indicated in the web 9 of H profile steel 5 with slate pencil or oil pike
The related information content such as rod member number, size of the finished parts of steel 5;Disk chi is used again, by 0 graduated scale note alignment H types of disk chi
The edge of web 9 of the one end of steel 5, with the length of finished parts needed for measuring, to ensure the length of the H profile steel finished parts after cutting, then
Plus 3 millimeters of cutting quantities;Now, H profile steel finished parts length mark 7 is made in the face of web 9 of H profile steel 5 with slate pencil;Then, then
Being indicated with slate pencil in the both sides crust of H profile steel flange plate 8 of H profile steel 5 needs beveling surface or reverse side form;Wherein, on the edge of a wing
Plate crust indicates anti-word;And surface groove is cut into along flange plate inner wall edge towards outer wall, cut along fascia edge towards inwall
For backing groove;
4th step:As shown in figure 5, the both sides of flange plate 2 of the H profile steel slit-scores template of held by both hands one, according to H profile steel finished product
Form of cut or cuts needed for part end, selection H profile steel slit-scores 1 end cut form of template is consistent;By H profile steel slit-scores mould
The grooves on two sides 4 of the flange plate 8 of plate 1 is alignd with H profile steel flange plate 8, and is positioned in H profile steel 5;By H profile steel slit-scores mould
The end part aligning H profile steel end web edge of web 9 or H profile steel web V-arrangement the mark dot center of plate 1;Drawn with forming H profile steel otch
Line template 1 and the tight fit of H profile steel 5;One hand comforts H profile steel slit-scores template 1, keeps stable.Single-hand handling & slate pencil, along H types
Web 9, the H profile steel flange plate 8 of steel otch template 1 mark the vertical line of cut of H profile steel both sides flange plate outer wall facade, H profile steel abdomen
Plate line of cut, web and the web line of cut of flange plate junction;The H profile steel flange plate of held by both hands H profile steel slit-scores template 1
8 both sides, H profile steel slit-scores template 1 is taken out from H profile steel 5;Then, then using H profile steel slit-scores template 1 sequentially carry out
Line;
5th step:Self-inspection is carried out (i.e. to the finished parts for having completed the line of H profile steel 5:To material, material, the phase such as line size
Close item and carry out inspection declaration confirmation);
6th step:As shown in Fig. 5, Fig. 6, Fig. 7, cutting personnel are in the one end of H profile steel 5, and H profile steel 5 is cut using burning torch
One termination otch;
To the one side otch of H profile steel flange plate 8 of H profile steel 5:Adjust the vertical angle of cutting, burning torch mouth alignment H profile steel 5
Flange plate facade 10, be from bottom to top cut to end;Now, the inwall of H profile steel flange plate 8 of H profile steel 5 and the angle knot of web 9
The gap that can be formed at conjunction, burning torch is placed on the inwall of H profile steel flange plate 8 of H profile steel 5 as support, using gap to cut
Point of contact, and being cut along web 9 and the cut-off rule of the junction of H profile steel flange plate 8 so that the H profile steel flange plate 8 that need to be cut off from
Separated in H profile steel 5;Then, then welding hole 13 is cut through;The groove type marked according to the outer wall of H profile steel flange plate 8, is selected by H
The inner wall edge of shaped steel flange plate 8 or fascia edge adjust cutting angle, are from bottom to top cut to the end of H profile steel flange plate 8;
Then, cutting another side H profile steel flange plate 8 crosses welding hole 13 with the junction of web 9;According to groove type, burning torch adjusts 45 degree of angles,
3 to 5 millimeters are cut along the inwall or fascia edge of H profile steel flange plate 8, to meet follow-up group to 3 to 5 millimeters of gaps;Then, edge
The inner wall edge of H profile steel flange plate 8 or fascia edge cut through adjusts beveling and cutting angle, is from bottom to top cut to end
End;
The two-sided otch of H profile steel flange plate 8;Adjust outside the vertical angle of cutting, the flange plate 8 of burning torch mouth alignment H profile steel 5
Stand like a wall the vertical line of cut 11 in face, is from bottom to top cut to end;Now, the inwall of H profile steel flange plate 8 of H profile steel 5 is pressed from both sides with web 9
The gap that angle junction can be formed, successively places burning torch in the face of web 9 of H profile steel 5 as support, using gap to have cut point of contact
Cut, with the H profile steel flange plate 8 of the parallel excision first half of H profile steel 5, now, on the H profile steel flange plate 8 of both sides H profile steel 5
Half portion is separated with the H profile steel flange plate 8 of H profile steel 5;Cutting personnel are in H profile steel flange plate 8 and the front of web 9 of H profile steel 5,
According to the thickness of H profile steel flange plate 8, the junction of shaped steel both sides flange plate lower half and web is successively cut off;Burning torch is along H
Welding hole 13 of crossing between the H profile steel flange plate 8 of shaped steel 5, web 9 is cut;Foundation is marked just in H profile steel flange plate 8
Face groove or backing groove form, burning torch selection from bottom to top carry out slope by the fascia edge of H profile steel flange plate 8 or inner wall edge
The cutting of mouth;
7th step:The 6th step is repeated, cutting personnel are in the other end of H profile steel 5, cut the otch of the finished parts of H profile steel 5;
8th step:As shown in figure 8, repeating the 6th step.Cutting personnel are between 5 liang of finished parts of H profile steel, first cutting-type
The both sides flange plate facade 10 of steel 5, then junction 12 between web 9 and H profile steel flange plate 8 is cut, web 9 is then cut, with
Separate the connection of the finished parts of two H profile steel 5;
9th step:As shown in figure 9, using mechanical hoisting mode or artificial, by the finished product of the groove of H profile steel 5 without cutting
Part is moved in pad pier 6, and the spacing of adjustment is not less than one meter and is advisable, in order to the cutting of lower step groove;
Tenth step:Such as Figure 10, shown in Figure 11, the 6th step is repeated;That cuts H profile steel finished parts both sides crosses welding hole 13, weldering
Groove 14 is connect, is completed until the finished parts of more than one piece H profile steel 5 are cut.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, it is all
It is any simple modification, equivalent variations and the modification made according to the technical spirit of the present invention to above example, still falls within
In the range of technical solution of the present invention.