CN108500080A - A kind of stainless steel bars round-bar pass technique - Google Patents

A kind of stainless steel bars round-bar pass technique Download PDF

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Publication number
CN108500080A
CN108500080A CN201810196193.0A CN201810196193A CN108500080A CN 108500080 A CN108500080 A CN 108500080A CN 201810196193 A CN201810196193 A CN 201810196193A CN 108500080 A CN108500080 A CN 108500080A
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China
Prior art keywords
roller
steel
stainless steel
finished product
workpiece
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Pending
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CN201810196193.0A
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Chinese (zh)
Inventor
丁佩泉
吴春松
武国强
张玉荣
孙健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Daming Stainless Steel Co Ltd
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Taizhou Daming Stainless Steel Co Ltd
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Priority to CN201810196193.0A priority Critical patent/CN108500080A/en
Publication of CN108500080A publication Critical patent/CN108500080A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/04Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

The invention discloses a kind of stainless steel bars round-bar pass techniques, include the following steps:A, molding base is packed into heating furnace;B, by hot steel billet dephosphorization;C, roughing;D, it finishes;E, workpiece cools down;F, workpiece aligning and marshalling;G, sawing;H, finished product inspection;I, stacking and bundling;Simple production process of the present invention, production efficiency is high, can reduce stainless steel bars surface defect and internal flaw, improve product qualification rate.

Description

A kind of stainless steel bars round-bar pass technique
Technical field
The present invention relates to stainless steel round steel technical field, specially a kind of stainless steel bars round-bar pass technique.
Background technology
Stainless steel bars are by stainless steel ingot, made of hot rolling or forging;Can substantially it be divided by shape point:No Become rusty steel pole, stainless steel square rod, stainless steel hexagonal bar;It can be divided by surface treatment point:The sour white stick of the black stick of stainless steel, stainless steel, Stainless steel light stick, stainless-steel grinding stick.
Stainless steel bars round-bar pass complex process at present, obtained product defects rate is high, and product qualification rate is low, therefore, It is further improved.
Invention content
The purpose of the present invention is to provide a kind of stainless steel bars round-bar pass techniques, to solve to carry in above-mentioned background technology The problem of going out.
To achieve the above object, the present invention provides the following technical solutions:A kind of stainless steel bars round-bar pass technique, including Following steps:
A, molding base is packed into heating furnace:It is transferred to from die casting machine ejection roller way by lateral machine for moving steel is single during normal production In heating furnace approach table, steel billet weighed and surveyed in heating furnace approach table it is long after be admitted to walking beam heating furnace into Row heating;
B, by hot steel billet dephosphorization:After being heated to set temperature by the heating schedule of setting, hot steel billet is put into tapping by extractor Descaling mill is transported on roller-way carries out dephosphorization;
C, roughing:Steel billet of coming out of the stove removes the iron scale of billet surface by high-pressure water descaler first;The later steel of de-scaling Base is sent to the 2 thick units of frame two-roller reversible through thick unit approach table and is processed, thick unit maximum roller diameter 1350mm, barrel length 2800mm;
D, it finishes;
E, workpiece cools down:Workpiece carries out cooling treatment by being sent to cold bed through roller-way;
F, workpiece aligning and marshalling:Lower cold bed workpiece is sent by roller-way to being aligned on on-line straightening machine, and straightener is 9 roller gate-types Pitches straightener;
G, sawing:Workpiece after aligning is subjected to sawing using scale cold saw;
H, finished product inspection:The later rolled piece of sawing is sent to finished product inspection with roller-way, and defective product is routed directly to waste collection Platform;Qualified products are then sent to finished product piler, and stacking is carried out on size piling bed respectively according to product length;
I, stacking and bundling:The rolled piece that scale is cut by cold saw transports piler to and carries out stacking, and height of embankment is up to 500 millimeters, right Shaped steel carries out occlusion method stacking, and the good finished product pile of 180 ° of heaps can need to be overturn per alternating floor steel by stacking requirement send through roller-way to beating At bundle machine;Marking press imprints label, and metal tag is tied up by manually hanging over steel.
Preferably, finished steel bundle is transported to products storage platform after the step I is completed, by workshop electromagnetism lifting Finished product bundle is hoisted to warehouse for finished product storage to machine by two bundles every time.
Preferably, set temperature is 1200~1250 DEG C in the step B.
Preferably, finishing machine by 1 frame, two roller unit and the omnipotent unit of 1 frame and forms in the step D, and processing is I-shaped Product is processed using omnipotent roller system;Processing angle steel, round steel and channel steel are processed with two roller roller systems;It can be opened on the body of roll of two roller roller systems more A groove makes hole slot be directed at machining center line with the method for traversing rack.
Compared with prior art, the beneficial effects of the invention are as follows:Simple production process of the present invention, production efficiency is high, can Stainless steel bars surface defect and internal flaw are reduced, product qualification rate is improved;Wherein, the present invention is direct using molding steel billet Hot delivery and hot charging technology reduces ton steel cost;And enter stove blank and weigh automatically, it may be implemented to optimize steel rolling, improve lumber recovery.
Description of the drawings
Fig. 1 is flow chart of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution:A kind of stainless steel bars round-bar pass technique, including it is following Step:
A, molding base is packed into heating furnace:It is transferred to from die casting machine ejection roller way by lateral machine for moving steel is single during normal production In heating furnace approach table, steel billet weighed and surveyed in heating furnace approach table it is long after be admitted to walking beam heating furnace into Row heating;
B, by hot steel billet dephosphorization:After being heated to set temperature by the heating schedule of setting, set temperature is 1200~1250 DEG C, Hot steel billet is put on tapping roller-way and transports to descaling mill progress dephosphorization by extractor;
C, roughing:Steel billet of coming out of the stove removes the iron scale of billet surface by high-pressure water descaler first;The later steel of de-scaling Base is sent to the 2 thick units of frame two-roller reversible through thick unit approach table and is processed, thick unit maximum roller diameter 1350mm, barrel length 2800mm, according to the difference of product variety and specification, workpiece processes 7~13 passages on thick unit, is furnished with before and after thick unit and pushes away Bed tilting gear, the guide beam of unit are mounted on working roll bearing block, and when replacement is replaced with working roll;
D, it finishes;
E, workpiece cools down:Workpiece carries out cooling treatment by being sent to cold bed through roller-way, and the maximum length of rolled piece that cold bed can accommodate does not surpass 76 meters are crossed, sets 1 cropping sampling hot saw in cold-bed run-in table, hot saw undertakes the cutting sample of the task simultaneously, is cut Sample by below roller-way sample conveyer export, segmentation with sampling saw a diameter of 1600~1800 millimeters of saw blade;Cold bed has There are pre-bending function, round steel to be then collected by the collecting frame at cold-bed run-in table rear portion directly by hot saw scale;
F, workpiece aligning and marshalling:Lower cold bed workpiece is sent by roller-way to being aligned on on-line straightening machine, and straightener is 9 roller gate-types Pitches straightener, first, nine rollers are driven by hydraulic motor, remaining seven roller by seven frequency controls alternating current generator, maximum rectify 1~3 meter per second of straight speed;
G, sawing:Workpiece after aligning is subjected to sawing, wherein running saw 1, fixed saw 1 using scale cold saw, in fixation Shear gauge one, 6~18 meters of sawing steel cut lengths are set after saw;
H, finished product inspection:The later rolled piece of sawing is sent to finished product inspection with roller-way, by three finished product inspection platforms, width 2*12 Rice, 18 meters, defective product, by manually carrying out, is routed directly to waste collection platform by the shape of product with surface quality inspection;It closes Lattice product is then sent to finished product piler, and stacking is carried out on size piling bed respectively according to product length;
I, stacking and bundling:The rolled piece that scale is cut by cold saw transports piler to and carries out stacking, and height of embankment is up to 500 millimeters, right Shaped steel carries out occlusion method stacking, and the good finished product pile of 180 ° of heaps can need to be overturn per alternating floor steel by stacking requirement send through roller-way to beating At bundle machine;Marking press imprints label, and metal tag is tied up by manually hanging over steel.
Finished steel bundle is finally transported to products storage platform, two bundles hang finished product bundle every time by workshop electromagnetic lifter It is transported to warehouse for finished product storage.
In the present invention, finishing machine by 1 frame, two roller unit and the omnipotent unit of 1 frame and forms in step D, processes I-shaped production Product are processed using omnipotent roller system;Processing angle steel, round steel and channel steel are processed with two roller roller systems;It can be opened on the body of roll of two roller roller systems multiple Groove makes hole slot be directed at machining center line with the method for traversing rack.
In conclusion simple production process of the present invention, production efficiency is high, can reduce stainless steel bars surface defect and interior Portion's defect, improves product qualification rate;Wherein, the present invention reduces ton steel cost using the molding direct hot delivery and hot charging technology of steel billet; And enter stove blank and weigh automatically, it may be implemented to optimize steel rolling, improve lumber recovery.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (4)

1. a kind of stainless steel bars round-bar pass technique, it is characterised in that:Include the following steps:
A, molding base is packed into heating furnace:It is transferred to from die casting machine ejection roller way by lateral machine for moving steel is single during normal production In heating furnace approach table, steel billet weighed and surveyed in heating furnace approach table it is long after be admitted to walking beam heating furnace into Row heating;
B, by hot steel billet dephosphorization:After being heated to set temperature by the heating schedule of setting, hot steel billet is put into tapping by extractor Descaling mill is transported on roller-way carries out dephosphorization;
C, roughing:Steel billet of coming out of the stove removes the iron scale of billet surface by high-pressure water descaler first;The later steel of de-scaling Base is sent to the 2 thick units of frame two-roller reversible through thick unit approach table and is processed, thick unit maximum roller diameter 1350mm, barrel length 2800mm;
D, it finishes;
E, workpiece cools down:Workpiece carries out cooling treatment by being sent to cold bed through roller-way;
F, workpiece aligning and marshalling:Lower cold bed workpiece is sent by roller-way to being aligned on on-line straightening machine, and straightener is 9 roller gate-types Pitches straightener;
G, sawing:Workpiece after aligning is subjected to sawing using scale cold saw;
H, finished product inspection:The later rolled piece of sawing is sent to finished product inspection with roller-way, and defective product is routed directly to waste collection Platform;Qualified products are then sent to finished product piler, and stacking is carried out on size piling bed respectively according to product length;
I, stacking and bundling:The rolled piece that scale is cut by cold saw transports piler to and carries out stacking, and height of embankment is up to 500 millimeters, right Shaped steel carries out occlusion method stacking, and the good finished product pile of 180 ° of heaps can need to be overturn per alternating floor steel by stacking requirement send through roller-way to beating At bundle machine;Marking press imprints label, and metal tag is tied up by manually hanging over steel.
2. a kind of stainless steel bars round-bar pass technique according to claim 1, it is characterised in that:The step I is completed Finished steel bundle is transported to products storage platform later, finished product bundle is hoisted to finished product by two bundles every time by workshop electromagnetic lifter Inventory is put.
3. a kind of stainless steel bars round-bar pass technique according to claim 1, it is characterised in that:It is set in the step B Constant temperature degree is 1200~1250 DEG C.
4. a kind of stainless steel bars round-bar pass technique according to claim 1, it is characterised in that:It is smart in the step D Processing machine is by 1 frame, two roller unit and the omnipotent unit of 1 frame and forms, and processes I-shaped product and is processed using omnipotent roller system;Process angle Steel, round steel and channel steel are processed with two roller roller systems;Multiple grooves can be opened on the body of roll of two roller roller systems, make hole with the method for traversing rack Slot is directed at machining center line.
CN201810196193.0A 2018-03-09 2018-03-09 A kind of stainless steel bars round-bar pass technique Pending CN108500080A (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109175895A (en) * 2018-09-12 2019-01-11 扬州诚德重工有限公司 A kind of whole process intelligence forging round-bar pass method
CN110479790A (en) * 2019-09-10 2019-11-22 上海群力紧固件制造有限公司 A kind of bar manufacturing process for fastener
CN110592346A (en) * 2019-08-30 2019-12-20 肇庆新华兴实业有限公司 Stainless steel plate production process
CN113414289A (en) * 2021-06-25 2021-09-21 大冶特殊钢有限公司 Pretreatment method of circular continuous casting billet suitable for walking beam furnace
CN114918621A (en) * 2022-05-30 2022-08-19 湖南华菱湘潭钢铁有限公司 Production method of round steel for straightening-free boiler hanger rod

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102825097A (en) * 2012-09-07 2012-12-19 白银有色集团股份有限公司 Production method of alloy HMn60-3-1-0.75 large section bar
CN104415968A (en) * 2013-08-28 2015-03-18 无锡桥联重工设计研究院有限公司 Hot-rolling high-speed tool steel bar and wire producing process
CN105414237A (en) * 2015-12-11 2016-03-23 山东石横特钢集团有限公司 Steel section producing device and process thereof
CN107030106A (en) * 2017-04-28 2017-08-11 中冶东方工程技术有限公司 Utilize the method for continuous small-size production line of bar type of production product made from steel
US20180056348A1 (en) * 2016-08-25 2018-03-01 Jiangsu Shenyuan Special Steel Co.,Ltd. Method for Producing Polishing Bar Made of Valve Steel 53Cr21Mn9Ni4N

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102825097A (en) * 2012-09-07 2012-12-19 白银有色集团股份有限公司 Production method of alloy HMn60-3-1-0.75 large section bar
CN104415968A (en) * 2013-08-28 2015-03-18 无锡桥联重工设计研究院有限公司 Hot-rolling high-speed tool steel bar and wire producing process
CN105414237A (en) * 2015-12-11 2016-03-23 山东石横特钢集团有限公司 Steel section producing device and process thereof
US20180056348A1 (en) * 2016-08-25 2018-03-01 Jiangsu Shenyuan Special Steel Co.,Ltd. Method for Producing Polishing Bar Made of Valve Steel 53Cr21Mn9Ni4N
CN107030106A (en) * 2017-04-28 2017-08-11 中冶东方工程技术有限公司 Utilize the method for continuous small-size production line of bar type of production product made from steel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109175895A (en) * 2018-09-12 2019-01-11 扬州诚德重工有限公司 A kind of whole process intelligence forging round-bar pass method
CN110592346A (en) * 2019-08-30 2019-12-20 肇庆新华兴实业有限公司 Stainless steel plate production process
CN110479790A (en) * 2019-09-10 2019-11-22 上海群力紧固件制造有限公司 A kind of bar manufacturing process for fastener
CN113414289A (en) * 2021-06-25 2021-09-21 大冶特殊钢有限公司 Pretreatment method of circular continuous casting billet suitable for walking beam furnace
CN114918621A (en) * 2022-05-30 2022-08-19 湖南华菱湘潭钢铁有限公司 Production method of round steel for straightening-free boiler hanger rod

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Application publication date: 20180907

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