CN108607880A - Square rectangle wedge angle pipe hot forming production line - Google Patents
Square rectangle wedge angle pipe hot forming production line Download PDFInfo
- Publication number
- CN108607880A CN108607880A CN201810527785.6A CN201810527785A CN108607880A CN 108607880 A CN108607880 A CN 108607880A CN 201810527785 A CN201810527785 A CN 201810527785A CN 108607880 A CN108607880 A CN 108607880A
- Authority
- CN
- China
- Prior art keywords
- wedge angle
- production line
- frame
- pipe hot
- hot forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 34
- 239000010959 steel Substances 0.000 abstract description 34
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/78—Control of tube rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a kind of side's rectangle wedge angle pipe hot forming production lines.It belongs to the technical field of steel pipe processing.It is used to solve the problems, such as fillet square steel tube to be processed into wedge angle square steel tube online.Square rectangle wedge angle pipe hot forming production line includes roller-way (2) and vertical roll frame (3) and horizontal roll stand (4) is housed on pedestal (5), particular in that flame heating device (7) rear portion is equipped with more than two forming frames (10), formed equipped with flame attemperator (9) between forming frame (10).Using this side's rectangle wedge angle pipe hot forming production line, it can be widely used in and fillet square steel tube is processed into wedge angle square steel tube.
Description
Technical field
The present invention relates to a kind of steel pipe hot forming production line, more particularly to a kind of side's rectangle wedge angle pipe hot forming production line.
Background technology
The square steel tube of cold bending is compared with the round steel pipe with same cross-sectional area, and intensity is high, light-weight, bending resistance is cut
Face mould amount is big, be easily assembled, stability is good, and good appearance；Its another distinguishing feature is exactly dimensional accuracy height, can be without adding
Work is directly used and is assembled, and greatly reduces metal consumption and processing charges.Since the 1980's, square steel tube is big
Amount is applied to the industries such as various vehicles, house, building and container.
Square steel tube, due to the influence of corner deformation, easily causes apparent local reduction in forming process；While by
In consuming excessive material plasticity deposit, easily occur corner crack, corner crack, excessive corner residual stress the problems such as；With
The increase of steel plate thickness, the raising of steel strength, situation can be more serious.
At present there are mainly two types of foreign countries' solution to this problem：
Japan：Using technological measures such as addition alloy, crystal grain thinnings, its influence can be alleviated to a certain extent, but substantially
The problems such as degree improves price of steel product, can not still solve the Rouno Cormer Pregrinding Wheel of high-strength square steel tube at all.
It is American-European：Using Tata Iron and Steel Company as the American-European steel industry of representative, then require to through the deformations side such as clod wash or bending
All kinds of square steel tubes of method production carry out overall length annealing, cause mechanical properties of pipe degeneration, oxidization burning loss serious, at steel heat
At least RMB300 yuan/ton of cost increase is managed, residual stress problems is only addressed only, can not also overcome the Rouno Cormer Pregrinding Wheel of square steel tube
Problem.
Invention content
The present invention overcomes deficiency in the prior art, and point can be processed by fillet square steel tube online by providing one kind
The square rectangle wedge angle pipe hot forming production line of angle square steel tube.
In order to solve the problems, such as above-mentioned technology, the present invention is achieved by the following technical solutions：Square rectangle wedge angle pipe heat
Fabrication line, including roller-way and on pedestal be equipped with vertical roll frame and horizontal roll stand, especially flame heating device rear portion fill
There are two above forming frames.
The present invention can also be achieved through the following technical solutions：Flame attemperator is housed between forming frame.
The present invention can also be achieved through the following technical solutions：Forming frame be by be equipped on engine base connecting bushing and
Worm screw, connecting bushing left side is equipped with runing rest, right side is equipped with and pinches frame seat plate, and engine base is fixed on pedestal by pressing plate
On, worm decelerating machine three is fixed on the base, and guide support is connected to by dovetails on runing rest, is installed on guide support
There are roll, bearing to be connected on runing rest with traversing lead screw, roller box is connected to by pressing plate on guide support, worm decelerating machine
One is connected on guide support, and upper cover, bearing block and pulling plate are separately mounted to pinch in rack, and roll shaft is mounted on bearing block,
Coupling flange is mounted on roll shaft, and pinch roller is mounted on roll shaft, and worm decelerating machine two is connected on lid, connects axis connection
On worm decelerating machine two.
Compared with prior art, the beneficial effects of the invention are as follows：Can produce corner thicken, have steel initial strength and
Plasticity index, regular shape, all kinds of side's rectangle wedge angle steel pipes easily received by downstream user industry.
Description of the drawings
Fig. 1 is the schematic front view of the present invention.
Fig. 2 is the schematic front view of forming frame in Fig. 1.
Fig. 3 is the left view schematic diagram of Fig. 2.
Fig. 4 is that the right side of Fig. 2 regards schematic diagram.
In the accompanying drawings：1- steel pipes, 2- roller-ways, 3- vertical roll frames, the horizontal roll stand of 4-, 5- pedestals, 7- flame heating devices, 9- fire
Flame attemperator, 10- forming frames, 101- pressing plates, 102- worm decelerating machines one, 103- dovetails, 104- runing rests, 105-
Engine base, 106- connecting bushings, 107- pinch frame seat plate, 108- upper covers, 109- bearing blocks, 110- worm decelerating machines two, 111-
Pinch rack, 112- pulling plates, 113- rollers box, 114- rolls, 115- guide supports, 116- bearings, the traversing lead screws of 117-, 118- spiral shells
Nail, 119- pressing plates, 120- worm decelerating machines three, 121- connecting shafts, 123- pinch rollers, 124- roll shafts, 125- coupling flanges,
126- worm screws.
Specific implementation mode
Present invention is further described in detail with reference to the accompanying drawings and detailed description：
Square rectangle wedge angle pipe hot forming production line includes roller-way 2 and vertical roll frame 3 and horizontal roll stand 4 is housed on pedestal, in
7 rear portion of frequency flame heating device is equipped with 5 forming frames 10.Flame attemperator 9 is housed between forming frame 10.Steel pipe 1 is logical
The support of roller-way 2 is crossed, vertical roll frame 3, horizontal roll stand 4 and intermediate frequency flame heating device 7 are connected on pedestal 5, forming frame 10
It is that connecting bushing 106 and worm screw 126 are installed on engine base 105,106 left side of connecting bushing is equipped with runing rest 104, pressing plate
101 are connect by screw 118 with guide support 115, and 106 right side of connecting bushing, which is equipped with, pinches frame seat plate 107, engine base 105
It is fixed on pedestal 5 by pressing plate 119, worm decelerating machine 3 120 is fixed on pedestal 5, and guide support 115 passes through dovetails
103 are connected on runing rest 104, and roll 114 is equipped on guide support 115, and bearing 116 is connected to traversing lead screw 117
On runing rest 104, roller box 113 is connected to by pressing plate 101 on guide support 115, and worm decelerating machine 1 is connected to guiding
In roll stand 115, upper cover 108, bearing block 109 and pulling plate 112 are separately mounted to pinch in rack 111, and roll shaft 124 is mounted on bearing
On seat 109, coupling flange 125 is mounted on roll shaft 124, and pinch roller 123 is mounted on roll shaft 124, worm decelerating machine 2 110
It is connected in upper cover 108, connecting shaft 121 is connected on worm decelerating machine 2 110.
It is illustrated for producing 100x300x10mm wedge angle pipes, direction is run steel pipe 1 from left to right in Fig. 1.It is first
First according to central datum line, worm decelerating machine 1 is manually adjusted, slideway of the roller box 113 on guide support 115 is driven to move
It is dynamic, adjust the position of roll 114 so that each sortie pass reaches " undergauge " effect.Traversing lead screw 117 is manually adjusted, by branch
Screw thread on seat 116 drives guide support 115 to be moved along the slideway of dovetails 103.Worm decelerating machine 2 110 is manually adjusted, is led to
The T-slot on bearing block 109 is crossed, bearing block 109 is driven to be moved along the slideway pinched in rack, above and below adjustment pinch roller 123
Position.Worm decelerating machine 3 120 is manually adjusted, is to be oriented to pressing plate 119, the lengthwise position of engine base 105 is adjusted, to correct steel
The side sway of pipe.Rotary worm 126 drives the worm gear rotation being mounted on connecting bushing 106, and adjustment roll 114 is along the circumferential direction
Torsion, to correct the torsion of steel pipe.Before entering first forming frame 10, to 106.5x306.5x10, bull nose
R20 millimeters of steel pipes 1, after carrying out corner line heating using intermediate frequency flame heating device 7, forming temperature reaches 800-900 DEG C, in water
Under the traction of 4 pinch roller of flat roller rack and the correcting of vertical roll frame 3, by 5 forming frames 10, pedestal 5 is fixed on according to a determining deviation
On, fillet steel pipe passes sequentially through 5 forming frames 10, secondary forming by necking down, becomes wedge angle steel pipe.To ensure molding effect
Fruit carries out one or many corner line heating equipped with 4 flame attemperators 9 between 5 forming frames 10, makes forming temperature
It is maintained at 800-900 DEG C.
The present invention can add special module on the basis of existing production line, carry out local improvement to former technique, reduce and throw
Money.By replaceable mould, the processing of compound section steel tubes can be carried out.For reduce heat loss, steel pipe in forming process,
The measures such as heat insulation sheath can be increased outside steel pipe.
Claims (3)
1. a kind of side's rectangle wedge angle pipe hot forming production line, including roller-way (2) and the vertical roll frame (3) that is equipped on pedestal (5) and
Horizontal roll stand (4), it is characterised in that flame heating device (7) rear portion is equipped with more than two forming frames (10).
2. side's rectangle wedge angle pipe hot forming production line as described in claim 1, it is characterised in that forming frame fills between (10)
There is flame attemperator (9).
3. side's rectangle wedge angle pipe hot forming production line as claimed in claim 1 or 2, it is characterised in that forming frame (10) be
Connecting bushing (106) and worm screw (126) are installed on engine base (105), runing rest is installed on the left of connecting bushing (106)
(104), right side, which is equipped with, pinches frame seat plate (107), and engine base (105) is fixed on by pressing plate (119) on pedestal (5), worm screw
Speed reducer three (120) is fixed on pedestal (5), and guide support (115) is connected to runing rest (104) by dovetails (103)
On, roll (114) is installed, bearing (116) is connected to runing rest (104) with traversing lead screw (117) on guide support (115)
On, roller box (113) is connected to by pressing plate (101) on guide support (115), and worm decelerating machine one (102) is connected to guide roller
On frame (115), upper cover (108), bearing block (109) and pulling plate (112) are separately mounted to pinch in rack (111), roll shaft (124)
On bearing block (109), coupling flange (125) is mounted on roll shaft (124), and pinch roller (123) is mounted on roll shaft
(124) on, worm decelerating machine two (110) is connected in upper cover (108), and connecting shaft (121) is connected to worm decelerating machine two (110)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527785.6A CN108607880A (en) | 2018-05-18 | 2018-05-18 | Square rectangle wedge angle pipe hot forming production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527785.6A CN108607880A (en) | 2018-05-18 | 2018-05-18 | Square rectangle wedge angle pipe hot forming production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108607880A true CN108607880A (en) | 2018-10-02 |
Family
ID=63664274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810527785.6A Pending CN108607880A (en) | 2018-05-18 | 2018-05-18 | Square rectangle wedge angle pipe hot forming production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108607880A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617943A (en) * | 2021-08-25 | 2021-11-09 | 燕山大学 | Drawing die for rectangular-section deep-cylinder thin-wall metal part and machining process thereof |
| CN113634633A (en) * | 2021-08-12 | 2021-11-12 | 中冶赛迪装备有限公司 | Double-flow rolling forming device for structural steel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054203A (en) * | 1983-09-06 | 1985-03-28 | Nippon Steel Corp | Guide device in push-in piercing rolling |
| JPH07144223A (en) * | 1993-11-19 | 1995-06-06 | Nakajima Kokan Kk | Manufacture of square steel tube with large diameter with emphasis on improving quality and uniformizing radiused shape of corner |
| CN102574191A (en) * | 2009-08-28 | 2012-07-11 | V&M德国有限公司 | Method for producing hot-rolled hollow profiled elements having small edge radii |
| CN104249090A (en) * | 2014-09-18 | 2014-12-31 | 北京科技大学 | Ultrahigh-strength precise rectangular tube forming method and device |
| JP2015096265A (en) * | 2013-11-15 | 2015-05-21 | 日新製鋼株式会社 | Method of producing multiple square pipe and multiple square pipe |
| CN208527694U (en) * | 2018-05-18 | 2019-02-22 | 石家庄轴设机电设备有限公司 | Square rectangle wedge angle pipe hot forming production line |
-
2018
- 2018-05-18 CN CN201810527785.6A patent/CN108607880A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054203A (en) * | 1983-09-06 | 1985-03-28 | Nippon Steel Corp | Guide device in push-in piercing rolling |
| JPH07144223A (en) * | 1993-11-19 | 1995-06-06 | Nakajima Kokan Kk | Manufacture of square steel tube with large diameter with emphasis on improving quality and uniformizing radiused shape of corner |
| CN102574191A (en) * | 2009-08-28 | 2012-07-11 | V&M德国有限公司 | Method for producing hot-rolled hollow profiled elements having small edge radii |
| JP2015096265A (en) * | 2013-11-15 | 2015-05-21 | 日新製鋼株式会社 | Method of producing multiple square pipe and multiple square pipe |
| CN104249090A (en) * | 2014-09-18 | 2014-12-31 | 北京科技大学 | Ultrahigh-strength precise rectangular tube forming method and device |
| CN208527694U (en) * | 2018-05-18 | 2019-02-22 | 石家庄轴设机电设备有限公司 | Square rectangle wedge angle pipe hot forming production line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634633A (en) * | 2021-08-12 | 2021-11-12 | 中冶赛迪装备有限公司 | Double-flow rolling forming device for structural steel |
| CN113617943A (en) * | 2021-08-25 | 2021-11-09 | 燕山大学 | Drawing die for rectangular-section deep-cylinder thin-wall metal part and machining process thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181002 |
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| WD01 | Invention patent application deemed withdrawn after publication |