CN1076646C

CN1076646C - Opened water cooled die casting machine

Info

Publication number: CN1076646C
Application number: CN99113068A
Authority: CN
Inventors: 秦希满; 秦学
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-06-26
Filing date: 1999-06-26
Publication date: 2001-12-26
Anticipated expiration: 2019-06-26
Also published as: CN1241461A

Abstract

The present invention relates to an opened water cooled die casting machine which is equipment for casting steel billets. The machine is composed of a machine body, a main die component, a secondary die component and a capping device, wherein the machine body is a machine frame, in which a base plate carrier frame and a base plate are arranged, a main die body and a secondary die body are respectively fixed on the frames of the main die body and the secondary die body, the frames of the main die body and the secondary die body are movably connected with a machine frame by connecting rods, an opened and closed die hydraulic system is arranged between the frames and the machine frame, a locking hydraulic system is arranged between the main die and the secondary die, and a capping crossbeam provided with a closed block and the connecting rods is controlled by a capping hydraulic system; the main die body and the secondary die body are composed of water gaps formed between inner liners and casings, provided with metal elements, and assembled with a water distributor. The present invention has the advantages of reasonable structure, easy casting and easy removal of the billets, and can cast casting billets with complex sections and various materials.

Description

Opened water cooled die casting machine

The present invention relates to cast the design and fabrication technology field of steel billet equipment.

At present, become steel billet that a lot of methods are arranged solidification of molten steel, but the most frequently used two kinds of methods arranged: the one, traditional die casting, it be cylinder iron or the mode of cast steel be cast as the band certain geometrical shape and the die cavity of tapering arranged, be i.e. cast iron steel ingot mould and steel mould.After during use molten steel being injected the ingot mould die cavity, the ingot mould bulk absorption degree of superheat of molten steel, make solidification of molten steel become the steel ingot of band tapering, from the big nose end of ingot mould steel ingot is deviate from again, this casting ingot method ingot casting, mould consumption height is poured into a mould difficulty, is taken off the ingot difficulty, solidification of molten steel is slow, easily produce shortcomings such as shrinkage cavity, segregation, short ingot badly bleeding, because steel ingot has tapering and also is unfavorable for later shove charge and rolling.Also exist production efficiency low in addition, ingot casting cost height, problem such as workman's working condition is abominable.This kind casting ingot method reduces gradually.Another kind method is a casting blank of continuous casting machine, also is the strand method of at present more general use.Conticaster is by tundish crystallizer, dummy ingot device, vibration drawing billet mechanism, the spray cooling of two cold-zones, scale cuts base etc., also is furnished with the online regulation and control of liquid level monitoring magnetic agitation speed or the like attached corollary apparatus in addition, its complex structure, equipment is huge, and it is big to manipulate difficulty.During conticaster work is that molten steel is continuously poured into crystallizer, pulls out crystallizer behind the scull and enters two cold-zones exposure water cooling, treats that strand solidifies the back scale fully and is cut into steel billet.Be rolled after becoming the waste heat that utilizes steel billet that has behind the base directly to put into the heating furnace heating, but be difficult to directly be rolled.Because the casting speed of continuous casting is slower, general per minute kind can only have two meters to three meters, and every stove molten steel need be poured into a mould for a long time, relates to the molten steel insulation so again, and steel ladle is soaked the defective of loss for a long time.In addition, molten steel is in motion and is pulled state in process of setting, and the particularly external force of solid-liquid phase region tension and distortion influence makes strand have the quality problems of underbead crack, also has problems such as chink, bulge, off-square, bleed-out.Molten steel temperature is strict during cast, and the duration of pouring is long, and ladle corrodes serious, and crystallizer is short with the acid bronze alloy cost high life, and casting speed is slow, and production efficiency is low, and the steel grade of many materials is difficult to cast, the particularly more difficult cast of the steel billet of section complexity.Conticaster equipment is huge, complex structure, and the cost height makes steel billet per ton contain depreciation of equipment and directly the strand expense is very high, has caused strand cost height, and the result has directly influenced the economic benefit that steel are produced.

The purpose of this invention is to provide a kind of being easy to and pour into a mould and mould adobe blocks, and can cast out the opened water cooled die casting machine of multiple complex section and various material.

The object of the present invention is achieved like this, and it is made of body, main mould parts, pair mould parts and the device that binds.Body is frame inner bottom part cartridge chassis carriage, chassis, and groove is arranged on the chassis, and dress stream steel passes in the groove, and chassis one side dress feed trumpet has the pipe brick in the feed trumpet, and pipe brick and runner brick are connected.Chassis bracket fixes on frame with bolt, fuses.Main mould parts are that main die body is fixed on the main die body framework, and main die body framework is flexibly connected by connecting rod and frame, dress die opening and closing hydraulic system between main die body framework and frame.Paying the mould parts is to pay die body to be fixed on pair die body framework, paying the die body framework is flexibly connected by connecting rod and frame, paying dress die opening and closing hydraulic system between die body framework and the frame, dress locking hydraulic system between main die body and pair die body, the device that binds is made up of crossbeam, shutoff, locking lever and the hydraulic system that binds.Shutoff, locking lever are housed, the HYDRAULIC CONTROL SYSTEM that the binds device lifting of binding on the crossbearer.Main die body is to constitute by forming the water crack between main die body liner and the main die body shell, paying die body is to constitute by forming the water crack between pair die body liner and pair die body shell, fixing and supporting role hardware are housed between liner and shell, and hardware is multi-point equispaced in the side of liner towards the water crack.Be furnished with main die body injection well downhole flow regulator respectively and pay a die body injection well downhole flow regulator at a main die body shell and a pair die body shell.Main, to pay a die body be the die sinking body, can two opens, three opens or open more, the die sinking line can symmetry or asymmetric.Many group die sinking bodies are formed complete machine.

During strand, start the die opening and closing hydraulic system, hydraulic stem ejects, connecting rod drives main pair die body closure, and is located on the chassis, starts the hydraulic system that binds, making master after the closure pay die body binds, locking lever falls, startup locking hydraulic system, and the pressing plate in the locking hydraulic system makes the master, pays firmly closure of die body with locking lever.With the pour steel of rising pouring mode, the groove of molten steel on the chassis enters the master, pays the die body die cavity, lead, pay in the die body liner Wai Shui crack by the injection well downhole flow regulator water distribution, to the strand cooling in master, pair die body, adjust locking hydraulic system, the hydraulic system that binds and die opening and closing hydraulic system, make the master, pay die body under the drive of connecting rod, upwards die sinking is moulded adobe blocks.

Advantage of the present invention is after molten steel enters strand machine die body die cavity by the current-sharing of rising pouring mode, to be in the inactive state of no external force effect, force cooling under the water cycling condition, be frozen into base, steel billet does not have defectives such as the outer drum tripe of implosion, steel billet is formed fine and close, and inside and outside quality is good.Molten steel from top to bottom solidifies, and molten steel is feeding endlessly from the bottom, and the steel billet that casts out does not like this have shrinkage cavity and pore, the yield rate height.The strand machine is as long as change the open type die body and adjust the steel billet of cooling water inflow with regard to pourable Any shape size and material, and conversion strand kind is convenient and swift, and the scope of application is very extensive.Poring rate is fast, and die sinking time of moulding adobe blocks is short, and the production efficiency height generally can finish cast in 1～3 minute, and realizes in back 1 minute that die sinking moulds adobe blocks solidifying.The steel billet temperature height that casts out during the demoulding, with good conditionsi can directly hanging out into milling train is rolled.The opened water cooled die casting machine small investment, cost is low, and the cycle is short, and floor space is few, the operation instant effect.The cost material requested all belongs to common iron, easily buying, and price is low, and processing technology is good.Strand machine scientific structure design is reasonable, does not have the position that runs up, just folding, thereby do not have wearing and tearing, and few corrosion, the die body liner only bears the heat fatigue distortion, long service life, the cast number of times can reach 10 ⁴～10 ⁵Inferior, after waiting to reach access times, only need to change die body and just can continue to use.Needed quality of cooling water does not have specific (special) requirements, and water temperature all can be used in surpassing room temperature to 70 ℃, and cooling water is that closed circulation is used, and loss is few, also can be used to heating when water temperature is high, and does not have any pollution.Open type water-cooled strand machine is easily grasped in use, and is easy to operate, simple, safe and reliable.Opened water cooled die casting machine is applicable to large, medium and small steel-making enterprise the cast steel grade and the various rule of various compositions, and the strand of lattice model solves the many technical barriers in the steel-making strand industry.

The present invention is described in detail below in conjunction with drawings and Examples

Fig. 1 is a structural representation of the present invention

Fig. 2 is that A-A of the present invention is to diagrammatic sketch

Fig. 3 is H parison master of the present invention, pair die body cross-section cutaway view

Fig. 4 is square base master of the present invention, pair die body cross-section cutaway view

Embodiment 1

Constitute by body, main mould parts, pair mould parts and the device that binds.Body is frame 4 inner bottom part cartridge chassis carriages 3, chassis 2, and groove is arranged on the chassis, adorns runner brick in the groove, and chassis one side dress feed trumpet 1 has the pipe brick in the feed trumpet, and pipe brick and runner brick are connected, and chassis bracket fixes on frame with bolt, fuses.Main mould parts are that main die body 5 is fixed on the main die body framework 6, and main die body framework is flexibly connected by connecting rod 7 and frame, dress die opening and closing hydraulic system 8 between main die body framework and frame.Paying the mould parts is to pay die body 9 to be fixed on pair die body framework 10, paying the die body framework is flexibly connected by connecting rod and frame, paying dress die opening and closing hydraulic system between die body framework and the frame, the many group locking of dress hydraulic systems 13 between main die body and pair die body, the device that binds is made up of crossbeam 14, shutoff, locking lever and the hydraulic system 15 that binds.Shutoff, locking lever are housed on the crossbearer, adjust strand length, the HYDRAULIC CONTROL SYSTEM that the binds device lifting of binding by shutoff length.Main die body is to constitute by forming water crack 17 between H type master die body liner 16 and the main die body shell 18, pay die body and be to pay die body liner 21 and pay and form water crack 22 between the die body shell 23 and constitute by the H type, fixing and supporting role hardware 19 are housed between liner and shell, and hardware is multi-point equispaced in the side of liner towards the water crack.Be furnished with main die body injection well downhole flow regulator 20 respectively and pay a die body injection well downhole flow regulator 24 at a main die body shell and a pair die body shell, injection well downhole flow regulator has water inlet 11, delivery port 12, and water inlet connects water pump.H type master die body and pair die body die sinking line are asymmetric, and five groups of die sinking bodies are formed complete machines.

Embodiment 2

Except that die sinking body section among the embodiment 1 is a square, die sinking line symmetry, six groups of die sinking bodies are formed beyond the complete machines, and all the other are all identical with embodiment 1.

Claims

1. opened water cooled die casting machine, by body, main mould parts, pay a mould parts and envelope device formation, it is characterized in that main mould parts are that main die body (5) is fixed on the main die body framework (6), main die body framework is flexibly connected by connecting rod (7) and frame (4), dress die opening and closing hydraulic system (8) between main die body framework and frame, paying the mould parts is to pay die body (9) to be fixed on pair die body framework (10), paying the die body framework is flexibly connected by connecting rod and frame, paying dress die opening and closing hydraulic system between die body framework and the frame, the many group locking of dress hydraulic systems (13) between main die body and pair die body, bind device by lock piece (14), shutoff, the locking lever and the hydraulic system (15) that binds are formed, shutoff is housed on the crossbearer, locking lever, adjust strand length by shutoff length, the HYDRAULIC CONTROL SYSTEM that the binds device lifting of binding, main die body is to constitute by forming the water crack between main die body liner and the main die body shell, paying die body is to constitute by forming the water crack between pair die body liner and pair die body shell, fixing and supporting role hardware (19) are housed between liner and shell, hardware is multi-point equispaced in the side of liner towards the water crack, be furnished with main die body injection well downhole flow regulator (20) respectively and pay die body injection well downhole flow regulator (24) at a main die body shell and a pair die body shell, main, paying die body is the die sinking body, can two open, three open, open more, the die sinking line can be symmetrical, asymmetric, organize the die sinking body more and form complete machine.

2. opened water cooled die casting machine according to claim 1 is characterized in that body is frame (4) inner bottom part cartridge chassis carriage (3), chassis (2), has groove on the chassis, adorn runner brick in the groove, chassis one side is equipped with feed trumpet (1), and the pipe brick is arranged in the feed trumpet, and pipe brick and runner brick are connected.

3. opened water cooled die casting machine according to claim 1 is characterized in that injection well downhole flow regulator has water inlet (11) and delivery port (12), and water inlet connects water pump.