CN105252280B - A kind of production technology of American Standard iron chair - Google Patents
A kind of production technology of American Standard iron chair Download PDFInfo
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- CN105252280B CN105252280B CN201510862930.2A CN201510862930A CN105252280B CN 105252280 B CN105252280 B CN 105252280B CN 201510862930 A CN201510862930 A CN 201510862930A CN 105252280 B CN105252280 B CN 105252280B
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- iron chair
- american standard
- standard iron
- press
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
Abstract
The invention discloses a kind of American Standard iron chair production system and its production technology, belong to machine casting technical field.The American Standard iron chair production system of the present invention includes rolling unit and drop stamping unit, and rolling unit includes pusher, heating furnace, machine for moving steel group, milling train group, cutting machine, cold bed and the saw being sequentially connected;Drop stamping unit includes that the blank being sequentially connected loads reclaimer robot in pile material platform, two axle de-stacking manipulators, intermediate station, furnace charge manipulator, box type heater, stove, press charging manipulator, high speed hydraulic press and press discharging manipulator.The American Standard iron chair production craft step of the present invention includes heating → rolling → cut off → cool down → sawing → de-stacking → reheating → feeding → hot piercing → cooling.The present invention passes through rolling unit and drop stamping unit two-stage processing, it is possible to achieve the low purpose of the American Standard iron chair percent defective of production.
Description
Technical field
The invention belongs to machine casting technical field, and in particular to a kind of American Standard iron chair production system and its production work
Skill.
Background technology
6 big products that iron chair is that materials are largest in railway line (rail, track switch, fish platee, iron chair, sleeper, are buckled
One of part), the iron chair between rail and sleeper is the vitals in track structure, is played important in wheel track dynamical system
Damping effect.With the development that heavy haul railway is transported, axle weight increasingly increases, to iron chair while rail gradually heavy-duty
Performance propose requirements at the higher level.Require iron chair damping property is good, impact resistance, long service life.
U.S. iron chair market mainly uses from old line or discarded railway the qualified old backing plate pulled down to substitute, and causes existing U.S.
The production of mark iron chair causes technological level to continue sign that is not front or even having degeneration due to the recycling of iron chair, produces
Easily there is fracture in process medium casting, large-tonnage product can be caused unqualified, given up in as cast condition and after annealing, when being hit
Product rate is higher.
Chinese Patent Application No.:201410718304.1 patent document disclose a kind of high ferro fastener iron chair and its
Preparation method, by optimizing compositing formula and casting technique, can make iron chair tensile strength, yield strength, elongation and
The aspects such as hardness show very excellent performance, and the machinability significant increase of product.The invention is by improving element
Fill a prescription come the quality for improving product, but not specific manufacturing technique method.
The content of the invention
1. technical problem to be solved
For American Standard iron chair foundry goods in production process in prior art in as cast condition and after annealing, when being hit
Easily there is fracture, the underproof problem of large-tonnage product can be caused, the invention provides a kind of American Standard iron chair production system and
Its production technology.It passes through rolling unit and drop stamping unit two-stage processing, it is possible to achieve the American Standard iron chair waste product of production
The low purpose of rate.
2. technical scheme
To reach above-mentioned purpose, technical solution of the present invention is carried out in the following manner:
A kind of American Standard iron chair production system, including rolling unit and drop stamping unit, rolling unit include being sequentially connected
Pusher, heating furnace, machine for moving steel group, milling train group, cutting machine, cold bed and saw;Drop stamping unit includes the base being sequentially connected
Material load pile material platform, two axle de-stacking manipulators, intermediate station, furnace charge manipulator, box type heater, reclaimer robot in stove,
Press charging manipulator, high speed hydraulic press and press discharging manipulator.
Preferably, machine for moving steel group has 3 groups, and milling train group has 2 groups;After heating furnace discharge, by machine for moving steel I → milling train of group group I →
The sequential processes of machine for moving steel group II → machine for moving steel, III → milling train of group group II, after milling train group II discharges, cut off into cutting machine.
Preferably, milling train group I is made up of two framves, 650 milling train, milling train group II is made up of two framves, 580 milling train.
Preferably, two axle de-stacking manipulators are beam structure, finger-type crawl material base, and the scarce material automatic identification dress of setting
Put, with oneself identification and the function of reminding during scarce material;Box type heater be 5 Rotating fields, built-in nitrogen protection device, preservative
Base is not oxidized.
A kind of production technology of American Standard iron chair, its step include:
A, heating:Qualified continuous casting billet is transported on feeding skid by traveling crane, blank is pushed in heating furnace by pusher and is added
Heat arrives 1150-1250 DEG C, then releases heating furnace (12) by pusher;
B, once roll:After heating, blank Jing machine for moving steel group I goes to milling train group I and carries out the rolling of at least 5 passages;
C, secondary rolling:Blank goes to machine for moving steel group III by machine for moving steel group II, then proceeds to milling train group II by machine for moving steel group III
Carry out the rolling of at least 5 passages;
D, cut off:After rolling, blank is cut off into cutting machine;
E, cooling:Cut off rear blank and proceed to cold bed and be cooled to less than 80 DEG C;
F, sawing:By proceeding to after saw sawing scale, blank loading pile material platform is standby;
G, de-stacking:Blank is loaded into blank on pile material platform by two axle de-stacking manipulators and proceeds to intermediate station;
H, reheating:Taken from intermediate station shovel by furnace charge manipulator and quickly run to box type heater after blank,
Oven door opening is treated, is sent in stove and is heated to 900 DEG C, and protected using nitrogen, it is to avoid oxidation;
I, feeding:In stove reclaimer robot would be heated to temperature blank shoveled out from stove rapidly and run to press feed
Manipulator front end;Press charging manipulator carries out being accurately positioned docking with reclaimer robot in stove, using finger-type method of clamping,
It is rapid after press charging manipulator clamping blank to send in high speed hydraulic press press mould;
J, hot piercing:High speed hydraulic press carries out fast ram, and blank is punching into mould, while starting cooling device in mould
It is quick that mould is lowered the temperature;
K, cooling:Mould after cooling is sent on conveyer belt by press discharging opening, is further cooled down and is transported
It is defeated.
Preferably, the step of also being aligned into straightener after the step E cooling, carries out F-step again after aligning.
Preferably, blank loads pile material platform 2, recycles.
Preferably, in step J, high speed hydraulic press is 630t high speed hydraulic press, and hot piercing is two grades of impact styles.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result:
(1) a kind of American Standard iron chair production system of the invention, inventor is by rolling unit and drop stamping unit being
Row arrange and American Standard iron chair blank are processed, and whole pipelining is compact, operation changes seamless connection and is accurately positioned,
The model of the Core equipment such as milling train group and high speed hydraulic press is that inventor is made to measure according to American Standard iron chair, the American Standard iron of production
Backing plate meets its standard and requires;
(2) a kind of American Standard iron chair production system of the invention, machine for moving steel group have 3 groups, and milling train group has 2 groups, has taken into account U.S.
Multiple rolling and the raising of production efficiency that mark iron chair is required, one more machine for moving steel group are also acted as and stagger operation with comprehensive profit
With the effect of operating space and temporary blank, the purpose of secondary rolling is with reference under American Standard iron chair from left to right thickness step shape
The requirement design of drop;
(3) a kind of American Standard iron chair production system of the invention, 650 milling trains and 580 milling trains and each mill milling
Several selections, is that inventor combines American Standard iron chair technical standard, and site tissue test carries out Data acquisition and issuance, comprehensive
Close the creation Sexual behavior mode for considering to draw;
(4) production technology of American Standard iron chair of the invention, the American Standard iron chair of production Jing after 4,000,000 fatigue tests,
There is not crackle, less than 10%, Static stiffness rate of change is less than 15% to permanent deformation, complies fully with its technical standard and requires.
Description of the drawings
Fig. 1 is the rolling unit structural representation of the present invention;
Fig. 2 is the drop stamping cellular construction schematic diagram of the present invention;
Fig. 3 is American Standard iron chair top view;
Fig. 4 is American Standard iron chair side view.
In figure:1st, rolling unit;2nd, drop stamping unit;3rd, American Standard iron chair;11st, pusher;12nd, heating furnace;13rd, move steel
Unit;14th, milling train group;15th, cutting machine;16th, cold bed;17th, saw;21st, blank loads pile material platform;22nd, two axle de-stacking manipulator;
23rd, intermediate station;24th, furnace charge manipulator;25th, box type heater;26th, reclaimer robot in stove;27th, press charging machinery
Hand;28th, high speed hydraulic press;29th, press discharging manipulator;31st, punching;32nd, stepped decline.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.
Embodiment 1
To further describe the present invention, the invention will be further described with example below in conjunction with the accompanying drawings:
A kind of American Standard iron chair production system of this example, as illustrated in fig. 1 and 2, including rolling unit 1 and drop stamping unit
2, production, as shown in figure 3, specification is that long * width * is high:The American Standard iron chair 3 of 330.2mm × 196.85mm × 32.54mm, rolling
Unit 1 includes pusher 11, heating furnace 12, machine for moving steel group 13, milling train group 14, cutting machine 15, cold bed 16 and the saw being sequentially connected
Machine 17;Drop stamping unit 2 includes that the blank being sequentially connected is loaded in pile material platform 21, two axle de-stacking manipulators 22, intermediate station 23, stove
Reclaimer robot 26, press charging manipulator 27, high speed hydraulic press 28 and pressure in feeding machine hand 24, box type heater 25, stove
Machine discharging manipulator 29.Machine for moving steel group 13 has 3 groups, and milling train group 14 has 2 groups;After heating furnace 12 discharges, by machine for moving steel group 13 I → roll
The sequential processes of unit 14 I → machine for moving steel group 13 II → machine for moving steel, 13 III → milling train of group group 14 II, after milling train group 14 II discharges, enter
Enter cutting machine 15 to cut off, cutting machine 15 is laser cutting machine.
A kind of production technology of American Standard iron chair 3 of this example, its step include:
A, heating:Qualified continuous casting billet is transported on feeding skid by traveling crane, and blank is pushed heating furnace 12 by pusher 11
1150 DEG C are inside heated to, then heating furnace 12 is released by pusher 11;
B, once roll:After heating, blank Jing machine for moving steel group 13 I goes to milling train group 14 I and carries out the rolling of 6 passages;
C, secondary rolling:Blank goes to machine for moving steel group 13 III by machine for moving steel group 13 II, then is proceeded to by machine for moving steel group 13 III and roll
Unit 14 II carries out the rolling of 5 passages;
D, cut off:After rolling, blank is cut off into cutting machine 15;
E, cooling:Cut off rear blank and proceed to cold bed 16 and be cooled to less than 80 DEG C;
F, sawing:By proceeding to after 17 sawing scale of saw, blank loading pile material platform 21 is standby;
G, de-stacking:Blank is loaded into blank on pile material platform 21 by two axle de-stacking manipulators 22 and proceeds to intermediate station 23;
H, reheating:Taken from the shovel of intermediate station 23 by furnace charge manipulator 24 and quickly run to box heating after blank
Stove 25, treats oven door opening, sends in stove and is heated to 900 DEG C, and is protected using nitrogen, it is to avoid oxidation;
I, feeding:In stove, reclaimer robot 26 would be heated to 900 DEG C of blank and from stove shovel out rapidly and run to press
27 front end of charging manipulator;Press charging manipulator 27 carries out being accurately positioned docking with reclaimer robot in stove 26, using finger
Formula method of clamping is rapid after the press charging clamping blank of manipulator 27 to send in 28 press mould of high speed hydraulic press;
J, hot piercing:High speed hydraulic press 28 carries out fast ram, and blank is punching into mould, while starting cooling dress in mould
Put quick to mould cooling;
K, cooling:Mould after cooling is sent on conveyer belt by press discharging opening, is further cooled down and is transported
It is defeated.
A kind of American Standard iron chair production system of this example and its production technology, 3 Jing of American Standard iron chair of production 4,000,000 times
After fatigue test, there is not crackle, permanent set is 8%, Static stiffness rate of change is 12%, meets its American Standard iron chair 3
Technical standard require.
Embodiment 2
A kind of American Standard iron chair production system of this example, basic structure are theed improvement is that with embodiment 1:Milling train group
14 I are made up of side by side two framves, 650 milling train, milling train group 14 II is made up of side by side two framves, 580 milling train.Two axle de-stacking manipulators 22 are horizontal
Girder construction, finger-type crawl material base, and scarce material automatic identification equipment is set;Box type heater 25 is 5 Rotating fields, built-in nitrogen guarantor
Protection unit.The technological design of 650 milling trains and 580 milling trains and each mill milling number of times is with reference to the such as Fig. 4 institutes of American Standard iron chair 3
Show, thickness has the technical standard of stepped decline 32 and designs from left to right.It is that inventor combines 3 technical bid of American Standard iron chair
Standard, site tissue test, carries out Data acquisition and issuance, considers the creation Sexual behavior mode for drawing.
A kind of production technology of American Standard iron chair 3 of this example, its basic step are theed improvement is that with embodiment 1:
Step A is heated to 1250 DEG C;In step F, blank loads pile material platform 21 2, recycles, in quantity-produced
In the case of, can adopt driving or fork truck that new blank is loaded pile material platform 21 and be loaded.Pile material installs pile trolley positioning
Closed safe door, carries out de-stacking after operating personnel's confirmation operation is normal respectively.
A kind of American Standard iron chair production system of this example and its production technology, 3 Jing of American Standard iron chair of production 5,000,000 times
After fatigue test, there is not crackle, permanent set is 6%, Static stiffness rate of change is 11%, meets its American Standard iron chair 3
Technical standard require.
Embodiment 3
A kind of American Standard iron chair production system of this example and its production technology, basic structure is with embodiment 2, improvements
It is:The step of also being aligned into straightener after the cooling of step E, carries out F-step again after aligning.In step J, quick liquid
Press 28 is 630t high speed hydraulic press, and hot piercing is two grades of impact styles, and one-level punching press completes first to rush interior four punching 31, outside backlash
Four punchings 31.
A kind of American Standard iron chair production system of this example and its production technology, 3 Jing of American Standard iron chair of production 5,000,000 times
After fatigue test, there is not crackle, permanent set is 7%, Static stiffness rate of change is 10%, meets its American Standard iron chair 3
Technical standard require.
Below schematically the invention and embodiments thereof are described, the description is not restricted.So,
If one of ordinary skill in the art is enlightened by which, in the case of without departing from this creation objective, without creative design
Go out the frame mode similar to the technical scheme and embodiment, the protection domain of this patent all should be belonged to.
Claims (4)
1. a kind of production technology of American Standard iron chair, its step include:
A, heating:Qualified continuous casting billet is transported on feeding skid by traveling crane, and blank is pushed heating furnace (12) by pusher (11)
1150-1250 DEG C is inside heated to, then heating furnace (12) is released by pusher (11);
B, once roll:After heating, blank Jing machine for moving steel group (13) I goes to milling train group (14) I and carries out the rolling of at least 5 passages;
C, secondary rolling:Blank goes to machine for moving steel group (13) III by machine for moving steel group (13) II, then is proceeded to by machine for moving steel group (13) III
Milling train group (14) II carries out the rolling of at least 5 passages;
D, cut off:After rolling, blank is cut off into cutting machine (15);
E, cooling:Cut off rear blank and proceed to cold bed (16) and be cooled to less than 80 DEG C;
F, sawing:By proceeding to after saw (17) sawing scale, blank loading pile material platform (21) is standby;
G, de-stacking:Blank is loaded into blank on pile material platform (21) by two axles de-stacking manipulator (22) and proceeds to intermediate station (23);
H, reheating:Taken from intermediate station (23) shovel by furnace charge manipulator (24) and quickly run to box heating after blank
Stove (25), treats oven door opening, sends in stove and is heated to 900 DEG C, and is protected using nitrogen, it is to avoid oxidation;
I, feeding:In stove, reclaimer robot (26) would be heated to 900 DEG C of blank and be shoveled out from stove rapidly and run to press
Material manipulator (27) front end;Press charging manipulator (27) carries out being accurately positioned docking with reclaimer robot in stove (26), adopts
Finger-type method of clamping is rapid after press charging manipulator (27) clamping blank to send in high speed hydraulic press (28) press mould;
J, hot piercing:High speed hydraulic press (28) carries out fast ram, and blank is punching into mould, while starting cooling device in mould
It is quick that mould is lowered the temperature;
K, cooling:Mould after cooling is sent on conveyer belt by press discharging opening, is further cooled down and is transported.
2. the production technology of American Standard iron chair according to claim 1, it is characterised in that:Also have after the step E cooling
The step of being aligned into straightener, carries out F-step again after aligning.
3. the production technology of American Standard iron chair according to claim 1, it is characterised in that:The blank loads pile material platform
(21) there are 2, recycle.
4. the production technology of American Standard iron chair according to claim 3, it is characterised in that:In step J, fast hydraulic pressure
Machine (28) is 630t high speed hydraulic press, and hot piercing is two grades of impact styles.
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CN108000268B (en) * | 2016-06-25 | 2020-07-14 | 嘉兴市瑞鑫塑业有限公司 | Automatic processing production line for heat-preservation baby crib |
CN110538880A (en) * | 2019-08-28 | 2019-12-06 | 天津市中重科技工程有限公司 | cross rolling process for large shaft wedge |
CN110666172B (en) * | 2019-11-14 | 2024-04-19 | 南京岩锤机械设备有限公司 | Automatic build-up welding printing and forming system for metal blank |
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CN203003488U (en) * | 2012-10-12 | 2013-06-19 | 浙江海通钢业有限公司 | Elevator guide rail steel precise tandem-rolling processing line |
CN205129385U (en) * | 2015-11-27 | 2016-04-06 | 安徽马钢工程技术集团有限公司 | Beautiful mark iron tie plate production system |
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CN1108156A (en) * | 1994-12-23 | 1995-09-13 | 中国公路工程咨询监理总公司 | Method for prodn. of corrugated guardrail plate |
CN1463213A (en) * | 2001-05-30 | 2003-12-24 | 新日本制铁株式会社 | Rail producing method and producing equipment |
US6899600B1 (en) * | 2004-03-03 | 2005-05-31 | Chin-Ching Hsien | Wrench manufacturing process |
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