CN105252280A - Production system and technology for American-standard iron chair - Google Patents
Production system and technology for American-standard iron chair Download PDFInfo
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- CN105252280A CN105252280A CN201510862930.2A CN201510862930A CN105252280A CN 105252280 A CN105252280 A CN 105252280A CN 201510862930 A CN201510862930 A CN 201510862930A CN 105252280 A CN105252280 A CN 105252280A
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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
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Abstract
The invention discloses a production system and technology for an American-standard iron chair and belongs to the technical field of machine casting. The production system for the American-standard iron chair comprises a rolling unit and a hot stamping unit. The rolling unit comprises a steel pushing machine, a heating furnace, a steel moving set, a rolling set, a shearing machine, a cooling bed and a sawing machine which are connected in sequence. The hot stamping unit comprises a blank loading and stacking table, a two-axis unstacking mechanical arm, a circulation table, a furnace internal charging mechanical arm, a box-type heating furnace, a furnace internal material taking mechanical arm, a presser feeding mechanical arm, a quick hydraulic machine and a presser discharging mechanical arm which are connected in sequence. The production technology for the American-standard iron chair comprises the steps of heating, rolling, shearing off, cooling, sawing, unstacking, secondary heating, material taking, hot punching and cooling. The purpose of low scrape rate of the produced American-standard iron chair can be achieved through the two-stage treatment of the rolling unit and the hot stamping unit.
Description
Technical field
The invention belongs to machine casting technical field, be specifically related to a kind of American Standard iron chair production system and production technology thereof.
Background technology
Iron chair is one of 6 large products (rail, track switch, fish platee, iron chair, sleeper, fastener) that in railway line, materials are largest, iron chair between rail and sleeper is the vitals in track structure, in wheel track dynamical system, play important damping effect.Along with the development of heavy haul railway transport, axle is heavy to be increased day by day, while rail gradually heavy-duty, propose requirements at the higher level to the performance of iron chair.Require that the damping property of iron chair is good, shock-resistant, long service life.
U.S.'s iron chair market mainly uses the qualified old backing plate pulled down from old line or discarded railway to substitute, the production of existing American Standard iron chair is caused to cause technological level to continue even to have not the sign of degeneration due to recycling of iron chair, production process medium casting is after as cast condition and annealed process, all easily rupture when being hit, large-tonnage product can be caused defective, and percent defective is higher.
Chinese Patent Application No.: 201410718304.1 patent document discloses a kind of high ferro fastener iron chair and preparation method thereof, by optimizing compositing formula and casting technique, iron chair can be made in tensile strength, yield strength, percentage elongation and hardness etc. to show very excellent performance, and the machinability significant increase of product.This invention improves the quality of product by improving element formula, but not concrete manufacturing technique method.
Summary of the invention
1. the technical problem that will solve
After as cast condition and annealed process, all easily rupture when being hit for American Standard iron chair foundry goods in production process in prior art, the underproof problem of large-tonnage product can be caused, the invention provides a kind of American Standard iron chair production system and production technology thereof.It is by rolling unit and the process of drop stamping unit two benches, the object that the American Standard iron chair percent defective that can realize producing is low.
2. technical scheme
For achieving the above object, technical solution of the present invention is carried out in the following manner:
A kind of American Standard iron chair production system, comprise rolling unit and drop stamping unit, rolling unit comprises the pusher, heating furnace, machine for moving steel group, milling train group, cutting machine, cold bed and the saw that connect successively; Drop stamping unit comprises the blank connected successively and loads reclaimer robot, press charging manipulator, high speed hydraulic press and press discharging manipulator in buttress material platform, two axle de-stacking manipulators, intermediate station, furnace charge manipulator, box type heater, stove.
Preferably, machine for moving steel group has 3 groups, and milling train group has 2 groups; After heating furnace discharging, by the sequential processes of machine for moving steel group I → milling train group I → machine for moving steel group II → machine for moving steel group III → milling train group II, after milling train group II discharging, enter cutting machine and cut off.
Preferably, milling train group I is made up of two frame 650 milling trains, milling train group II is made up of two frame 580 milling trains.
Preferably, two axle de-stacking manipulators are beam structures, finger-type crawl material base, and arrange scarce material automatic identification equipment, have the function of oneself identification and prompting when lacking material; Box type heater is 5 Rotating fields, built-in nitrogen protection device, and protection material base is not oxidized.
A production technology for American Standard iron chair, its step comprises:
A, heating: qualified continuous casting billet is transported on feeding skid by traveling crane, to be pushed blank in heating furnace by pusher and be heated to 1150-1250 DEG C, then release heating furnace (12) by pusher;
B, a rolling: after heating, blank goes to through machine for moving steel group I rolling that milling train group I carries out at least 5 passages;
C, reroll: blank goes to machine for moving steel group III by machine for moving steel group II, then proceed to by machine for moving steel group III rolling that milling train group II carries out at least 5 passages;
D, to cut off: after rolling, blank enters cutting machine and cuts off;
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 buttress material platform is for subsequent use;
G, de-stacking: by two axle de-stacking manipulators, blank is loaded blank on buttress material platform and proceed to intermediate station;
H, post bake: after blank got by intermediate station shovel, move to box type heater by furnace charge manipulator fast, treat oven door opening, send in stove and be heated to 900 DEG C, and adopt nitrogen protection, avoid oxidation;
I, feeding: in stove, the blank being heated to temperature shovels out rapidly and moves to press charging manipulator front end by reclaimer robot in stove; Press charging manipulator is accurately located with reclaimer robot in stove and is docked, and adopts finger-type method of clamping, sends into rapidly in high speed hydraulic press press mould after press charging manipulator clamping blank;
J, hot piercing: high speed hydraulic press carries out fast ram, and blank is punching into mould, start cooling device in mould simultaneously and lower the temperature to mould fast;
K, cooling: cooled mould is delivered on conveyer belt by press discharging opening, further cools and transport.
Preferably, enter the step that straightener carries out aligning after described step e cooling in addition, after aligning, carry out F step again.
Preferably, blank loads buttress material platform 2, recycles.
Preferably, in described step J, high speed hydraulic press is 630t high speed hydraulic press, and hot piercing is secondary impact style.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) a kind of American Standard iron chair production system of the present invention, inventor is arranged by series in rolling unit and drop stamping unit and processes American Standard iron chair blank, whole pipelining is compact, operation conversion seamless connection is also accurately located, the model of the Core equipments such as milling train group and high speed hydraulic press is that inventor makes to measure according to American Standard iron chair, and the American Standard iron chair of production meets its standard-required;
(2) a kind of American Standard iron chair production system of the present invention, machine for moving steel group has 3 groups, milling train group has 2 groups, the multiple rolling of American Standard iron chair requirement and the raising of production efficiency are taken into account, many machine for moving steel groups also play the operation that staggers to fully utilize the effect of operating space and temporary blank, and the object of reroll designs in conjunction with the requirement that thickness step shape declines from left to right of American Standard iron chair;
(3) a kind of American Standard iron chair production system of the present invention, 650 milling trains and 580 milling trains and each mill milling number of times selection, be inventor in conjunction with American Standard iron chair technical standard, site tissue is tested, carry out Data acquisition and issuance, consider the creativeness drawn and select;
(4) production technology of American Standard iron chair of the present invention, the American Standard iron chair of production is after 4,000,000 fatigue tests, and do not occur crackle, permanent deformation is less than 10%, and Static stiffness rate of change is less than 15%, meets its technical standard requirement completely.
Accompanying drawing explanation
Fig. 1 is rolling unit structural representation of the present invention;
Fig. 2 is 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: 1, rolling unit; 2, drop stamping unit; 3, American Standard iron chair; 11, pusher; 12, heating furnace; 13, machine for moving steel group; 14, milling train group; 15, cutting machine; 16, cold bed; 17, saw; 21, blank loads buttress material platform; 22, two axle de-stacking manipulators; 23, intermediate station; 24, furnace charge manipulator; 25, box type heater; 26, reclaimer robot in stove; 27, press charging manipulator; 28, high speed hydraulic press; 29, press discharging manipulator; 31, punching; 32, stepped decline.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
For further describing the present invention, below in conjunction with accompanying drawing and example, the invention will be further described:
A kind of American Standard iron chair production system of this example, as illustrated in fig. 1 and 2, comprise rolling unit 1 and drop stamping unit 2, produce, as shown in Figure 3, specification is that the wide * of long * is high: the American Standard iron chair 3 of 330.2mm × 196.85mm × 32.54mm, and rolling unit 1 comprises the pusher 11, heating furnace 12, machine for moving steel group 13, milling train group 14, cutting machine 15, cold bed 16 and the saw 17 that connect successively; Drop stamping unit 2 comprises the blank connected successively and loads reclaimer robot 26, press charging manipulator 27, high speed hydraulic press 28 and press discharging manipulator 29 in buttress material platform 21, two axle de-stacking manipulator 22, intermediate station 23, furnace charge manipulator 24, box type heater 25, stove.Machine for moving steel group 13 has 3 groups, and milling train group 14 has 2 groups; After heating furnace 12 discharging, by the sequential processes of machine for moving steel group 13 I → milling train group 14 I → machine for moving steel group 13 II → machine for moving steel group 13 III → milling train group 14 II, after milling train group 14 II discharging, enter cutting machine 15 and cut off, cutting machine 15 is laser cutting machine.
The production technology of a kind of American Standard iron chair 3 of this example, its step comprises:
A, heating: qualified continuous casting billet is transported on feeding skid by traveling crane, to be pushed blank in heating furnace 12 by pusher 11 and be heated to 1150 DEG C, then release heating furnace 12 by pusher 11;
B, a rolling: after heating, blank goes to through machine for moving steel group 13 I rolling that milling train group 14 I carries out 6 passages;
C, reroll: blank goes to machine for moving steel group 13 III by machine for moving steel group 13 II, then proceed to by machine for moving steel group 13 III rolling that milling train group 14 II carries out 5 passages;
D, to cut off: after rolling, blank enters cutting machine 15 and cuts off;
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 buttress material platform 21 is for subsequent use;
G, de-stacking: by two axle de-stacking manipulators 22, blank is loaded blank on buttress material platform 21 and proceed to intermediate station 23;
H, post bake: after blank got by intermediate station 23 shovel, move to box type heater 25 by furnace charge manipulator 24 fast, treat oven door opening, send in stove and be heated to 900 DEG C, and adopt nitrogen protection, avoid oxidation;
I, feeding: in stove, the blank being heated to temperature shovels out rapidly and moves to press charging manipulator 27 front end by reclaimer robot 26 in stove; Press charging manipulator 27 is accurately located with reclaimer robot in stove 26 and is docked, and adopts finger-type method of clamping, and press charging manipulator 27 is sent into rapidly after clamping blank 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, start cooling device in mould simultaneously and lower the temperature to mould fast;
K, cooling: cooled mould is delivered on conveyer belt by press discharging opening, further cools and transport.
A kind of American Standard iron chair production system of this example and production technology thereof, the American Standard iron chair 3 produced is after 4,000,000 fatigue tests, and do not occur crackle, permanent set is 8%, Static stiffness rate of change is 12%, meets the technical standard requirement of its American Standard iron chair 3.
Embodiment 2
A kind of American Standard iron chair production system of this example, basic structure is with embodiment 1, and improvements are: milling train group 14 I is made up of side by side two frame 650 milling trains, milling train group 14 II is made up of side by side two frame 580 milling trains.Two axle de-stacking manipulators 22 are beam structures, and finger-type captures material base, and arrange scarce material automatic identification equipment; Box type heater 25 is 5 Rotating fields, built-in nitrogen protection device.The technological design of 650 milling trains and 580 milling trains and each mill milling number of times is in conjunction with American Standard iron chair 3 as shown in Figure 4, and thickness has the technical standard of stepped decline 32 and designs from left to right.Be inventor in conjunction with American Standard iron chair 3 technical standard, site tissue is tested, and carries out Data acquisition and issuance, considers the creativeness that draws and selects.
The production technology of a kind of American Standard iron chair 3 of this example, the basic embodiment 1 of its step, improvements are:
Steps A is heated to 1250 DEG C; In step F, blank loads buttress material platform 21 2, recycles, and in quantity-produced situation, driving or fork truck can be adopted new blank to be loaded buttress material platform 21 and load.Buttress material installs buttress trolley location closed safe door respectively, and operating personnel confirm that operation carries out de-stacking after normal.
A kind of American Standard iron chair production system of this example and production technology thereof, the American Standard iron chair 3 produced is after 5,000,000 fatigue tests, and do not occur crackle, permanent set is 6%, Static stiffness rate of change is 11%, meets the technical standard requirement of its American Standard iron chair 3.
Embodiment 3
A kind of American Standard iron chair production system of this example and production technology thereof, basic structure is with embodiment 2, and improvements are: enter the step that straightener carries out aligning after step e cooling in addition, carry out F step again after aligning.In step J, high speed hydraulic press 28 is 630t high speed hydraulic press, and hot piercing is secondary impact style, and one-level punching press completes four punchings 31 in subpunch, outer four punchings 31 of backlash.
A kind of American Standard iron chair production system of this example and production technology thereof, the American Standard iron chair 3 produced is after 5,000,000 fatigue tests, and do not occur crackle, permanent set is 7%, Static stiffness rate of change is 10%, meets the technical standard requirement of its American Standard iron chair 3.
Below be schematically described the invention and embodiment thereof, this description is not restricted.So, if those of ordinary skill in the art enlightens by it, when not departing from this creation aim, designing the frame mode similar to this technical scheme and embodiment without creationary, the protection domain of this patent all should be belonged to.
Claims (8)
1. an American Standard iron chair production system, comprise rolling unit (1) and drop stamping unit (2), it is characterized in that, described rolling unit (1) comprises the pusher (11), heating furnace (12), machine for moving steel group (13), milling train group (14), cutting machine (15), cold bed (16) and the saw (17) that connect successively; Described drop stamping unit (2) comprises the blank connected successively and loads reclaimer robot (26), press charging manipulator (27), high speed hydraulic press (28) and press discharging manipulator (29) in buttress material platform (21), two axle de-stacking manipulators (22), intermediate station (23), furnace charge manipulator (24), box type heater (25), stove.
2. American Standard iron chair production system according to claim 1, is characterized in that: described machine for moving steel group (13) has 3 groups, and described milling train group (14) has 2 groups; After heating furnace (12) discharging, by the sequential processes of machine for moving steel group (13) I → milling train group (14) I → machine for moving steel group (13) II → machine for moving steel group (13) III → milling train group (14) II, after milling train group (14) II discharging, enter cutting machine (15) and cut off.
3. American Standard iron chair production system according to claim 2, is characterized in that: described milling train group (14) I is made up of two frame 650 milling trains, milling train group (14) II is made up of two frame 580 milling trains.
4. American Standard iron chair production system according to claim 2, is characterized in that: described two axle de-stacking manipulators (22) are beam structures, and finger-type captures material base, and arranges scarce material automatic identification equipment; Described box type heater (25) is 5 Rotating fields, built-in nitrogen protection device.
5. a production technology for American Standard iron chair, its step comprises:
A, heating: qualified continuous casting billet is transported on feeding skid by traveling crane, by pusher (11) blank pushed in heating furnace (12) and be heated to 1150-1250 DEG C, then release heating furnace (12) by pusher (11);
B, a rolling: after heating, blank goes to through machine for moving steel group (13) I rolling that milling train group (14) I carries out at least 5 passages;
C, reroll: blank goes to machine for moving steel group (13) III by machine for moving steel group (13) II, then proceed to by machine for moving steel group (13) III rolling that milling train group (14) II carries out at least 5 passages;
D, to cut off: after rolling, blank enters cutting machine (15) and cuts off;
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 buttress material platform (21) is for subsequent use;
G, de-stacking: by two axle de-stacking manipulators (22), blank is loaded the upper blank of buttress material platform (21) and proceed to intermediate station (23);
H, post bake: after blank got by intermediate station (23) shovel, move to box type heater (25) fast by furnace charge manipulator (24), treat oven door opening, send in stove and be heated to 900 DEG C, and adopt nitrogen protection, avoid oxidation;
I, feeding: in stove, the blank being heated to temperature shovels out rapidly and moves to press charging manipulator (27) front end by reclaimer robot (26) in stove; Press charging manipulator (27) is accurately located with reclaimer robot in stove (26) and is docked, adopt finger-type method of clamping, send into rapidly in high speed hydraulic press (28) press mould after press charging manipulator (27) clamping blank;
J, hot piercing: high speed hydraulic press (28) carries out fast ram, and blank is punching into mould, start cooling device in mould simultaneously and lower the temperature to mould fast;
K, cooling: cooled mould is delivered on conveyer belt by press discharging opening, further cools and transport.
6. the production technology of American Standard iron chair according to claim 5, is characterized in that: enter the step that straightener carries out aligning after described step e cooling in addition, carry out F step again after aligning.
7. the production technology of American Standard iron chair according to claim 5, is characterized in that: described blank loads buttress material platform (21) 2, recycles.
8. the production technology of American Standard iron chair according to claim 7, is characterized in that: in described step J, and high speed hydraulic press (28) is 630t high speed hydraulic press, and hot piercing is secondary impact style.
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| CN201510862930.2A CN105252280B (en) | 2015-11-27 | 2015-11-27 | A kind of production technology of American Standard iron chair |
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| CN201510862930.2A CN105252280B (en) | 2015-11-27 | 2015-11-27 | A kind of production technology of American Standard iron chair |
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| CN105252280B CN105252280B (en) | 2017-04-05 |
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Cited By (3)
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| CN108000268A (en) * | 2016-06-25 | 2018-05-08 | 周丐社 | A kind of warming infant bed |
| 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 |
| CN110666172A (en) * | 2019-11-14 | 2020-01-10 | 南京岩锤机械设备有限公司 | Automatic surfacing, printing and forming system for metal blanks |
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| 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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| CN105252280B (en) | 2017-04-05 |
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