CN104353824A - Metal mold gravity casting continuous production line with variable processes - Google Patents
Metal mold gravity casting continuous production line with variable processes Download PDFInfo
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- CN104353824A CN104353824A CN201410648704.XA CN201410648704A CN104353824A CN 104353824 A CN104353824 A CN 104353824A CN 201410648704 A CN201410648704 A CN 201410648704A CN 104353824 A CN104353824 A CN 104353824A
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- casting
- track
- metal mold
- casting machine
- production line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D47/00—Casting plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D5/00—Machines or plants for pig or like casting
- B22D5/04—Machines or plants for pig or like casting with endless casting conveyors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention provides a metal mold gravity casting continuous production line with a variable processes. The technical scheme is as follows: an oblate modular track is constructed, two sides of the track are semicircular and are named as rotation tracks, and the middle of the track is straight and is named as a straight track; the straight track is of a modular design, and the length of the straight track can be regulated randomly as required, so that the total length of the track is changed; smelting, casting, die combining, cooling, stripping and cleaning processes are sequentially distributed at two sides of the track according to respective required time; an automatic casting machine is provided with wheels and can walk on the track; a die is arranged on the automatic casting machine, and casting is finished in a walking process of the casting machine. The metal mold gravity casting continuous production line with the variable processes can be used for solving the problem that a traditional rotating disc type continuous casting production line has fixed processes, has high flexibility and can adapt to casting production with different process requirements after being simply changed, and the equipment cost is greatly reduced. The production line is low in investment, wide in application range, rapid and convenient in operation and high in reliability, and is metal mold continuous casting equipment worthy of popularization.
Description
Technical field:
The invention belongs to materials processing technology field, the metal mold gravity casting tinuous production that particularly a kind of operation is variable.
Background technology:
Casting is a kind of metal fever processing technology that the mankind grasp relatively early, the history of existing about 6000.China has entered the heyday of bronze casting between B.C. 1700 ~ first 1000, and technique has reached quite high level.Casting is cast to by liquid metals in the casting cavity that adapts with part shape, after its cooled and solidified, to obtain the method for part or blank.Mostly be by casting material matter and be solid-state originally but be heated to liquid metal (example: copper, iron, aluminium, tin, lead etc.), and the material of mold can be sand, metal even ceramic.In response to different requirement, the method for use also can be different.
Casting mainly contains sand casting and the large class of Special Processes of Metal Castings 2.Ordinary sand casting, utilizes sand as molding material, and also known as sand casting, founding, comprises greensand mold, dry sand mold and chemicosolidifying sand mold 3 class, but and not all sand all can in order to casting.Benefit is that cost is lower, because the sand that mold uses is reusable; Shortcoming is that mold making is consuming time, and mold itself can not be reused, and just can obtain finished product after must destroying.Special Processes of Metal Castings, by Modeling Material, can be divided into again with natural mineral products sandstone be the Special Processes of Metal Castings (as model casting, loam moulding, shell moulded casting, negative pressure casting, cavityless casting, ceramic mold casting etc.) of main Modeling Material and take metal as Special Processes of Metal Castings (as permanent mold casting, compression casting, continuous casting, low pressure casting, centrifugal casting etc.) two classes of main mold material.
Permanent mold casting is also known as diecasting, and it is that liquid metals is poured into metal mold, to obtain a kind of casting method of foundry goods.Casting mold makes with metal, can Reusability repeatedly (hundreds of time to several thousand times).Permanent mold casting is fertile foundry goods at present, also has certain restriction, as to ferrous metal being the foundry goods of simple shape in weight and vpg connection; The weight of foundry goods can not be too large; Wall thickness is also restricted, and less casting section thickness cannot cast out.
Permanent mold casting is compared with sand casting: technically with have many advantages economically.(1) foundry goods of metal mold production, its mechanical property ratio sand-cast is high.Same alloy, its tensile strength on average can improve about 25%, and yield strength on average improves about 20%, and its etch resistant properties and hardness also significantly improve; (2) precision of foundry goods and surface smoothness higher than sand-cast, and quality and dimensionally stable; (3) the technique recovery rate of foundry goods is high, and liquid metals consumption reduces, and generally can save 15 ~ 30%; (4) without sand or use sand less, generally Modeling Material 80 ~ 100% can be saved; In addition, the production efficiency of permanent mold casting is high; The reason making foundry goods produce defect reduces; Operation is simple, easily realizes mechanization and automation.Though permanent mold casting has many good qualities, also there is weak point.As: (1) metal mold manufacturing cost is high; (2) metal mold is airtight, and without deformability, easily causes the defects such as foundry goods misrun, cracking or ironcasting spoken parts in traditional operas; (3) during permanent mold casting, the operating temperature of casting mold, the pouring temperature of alloy and poring rate, the time that foundry goods stops in casting mold, and coating etc. used, very responsive on the impact of the quality of foundry goods, need strictly to control.Therefore, when determining to adopt permanent mold casting, following each factor must be considered: cast shape and weight size must be suitable; There are enough batches; Complete the time limit license of production task.
Metal mold and sand mold, performance has significant difference, and as sand mold has gas permeability, metal mold does not then have; The poor thermal conductivity of sand mold, the thermal conductivity of metal mold is fine, and sand mold has deformability, and metal mold is not etc.These features of metal mold determine the rule that it has oneself in foundry goods forming process.The impact that in die cavity, gaseous state change is shaping on foundry goods: metal is when filling, and the gas in die cavity must be discharged rapidly, but metal is again without gas permeability, as long as neglect a little technique, brings harmful effect will to the quality of foundry goods.The feature of heat exchange in casting solidification process: molten metal, once enter die cavity, just passes to metal mold wall heat.Liquid metals, by type wall dissipated heat, carries out solidifying and produces contraction, and type wall is at acquisition heat, produces and expand while raised temperature, and result defines in " gap " between foundry goods and type wall.Before " foundry goods one gap one metal mold " system does not arrive same temperature, foundry goods can be considered as cooling in " gap ", metal mold wall is then heated by " gap ".Metal mold hinders the impact of shrinking foundry goods: metal mold or metallic core, and without deformability in casting solidification process, hinder foundry goods to shrink, this is its another feature.
In permanent mold casting production line, normal employing disk machine formula multistation gravity-diecasting machine, in fact he also can be counted as a shorter production line, it is made up of how secondary metal mold, and have clear and definite procedure position, these procedure position are all strictly determined by activity time, want accurate analysis activity time during design.The length of activity time, relevant with the angular dimension shared by station, if reserved angle mistake, operation will be disorderly.
Summary of the invention:
In view of the deficiency of above technology, the present invention proposes the variable metal mold gravity casting tinuous production of a kind of operation, and its technical scheme is the oblate modularization track of construction one, track both sides are semicircle, be called rotary track, track interrupts, for linear, being called craspedodrome track; Craspedodrome track is modularized design, can regulate arbitrarily its length as required, thus changes the total length of track; Melting, casting, matched moulds, cooling, molding, cleaning process, according to the time required separately, are distributed in the both sides of track in order; Automatic casting machine installing wheel, can walk in orbit; Mould is installed on automatic casting machine, in casting machine walking process, complete casting.
Every section of operation required time occupies to station and is directly proportional, and all process steps required time is added up the time into casting machine encloses along track travel one.
Automatic casting machine has the function of automatic die sinking, matched moulds, and communicates with central control system, at suitable die sinking on opportunity, matched moulds, ejects foundry goods, coordinates complete operation with each station.
Automatic casting machine forward drive mode is advance voluntarily or towed advance.
Production line is provided with intermediate detection module, detects the quality, temperature etc. of foundry goods, and by information feed back to centralized control system, system, according to information, adjusts automatic casting machine pace flexibly.
Beneficial effect:
The metal mold gravity casting tinuous production that operation proposed by the invention is variable, break the problem that the operation of traditional rotating disc type continuous casting product line is fixing, production line is made to have high flexibility, the Foundry Production of different procedure calls can be adapted to after simple change, meanwhile, equipment cost is greatly reduced.This production line input is low, widely applicable, swift to operate, reliability is high, is the metal mold continuous casting equipment be worthy to be popularized.
Accompanying drawing illustrates:
Fig. 1 is the variable tinuous production schematic diagram of operation
Reference numeral: 1. track, 2. smelting furnace, 3. automatic casting station, 4. cool station, 5. intermediate detection, 6. pickup, cleaning station, 7. portable automatic casting machine
Detailed description of the invention:
Rotary track radius 2 meters, is provided with 5 automatic casting machines, and two smelting furnaces, as Fig. 1.
Casting machine runs to casting station 3, completes pouring operation.
Casting machine runs to cooling station 4, accepts air-cooled.
Casting machine runs to and detects station 5, by detecting mold surface temperature determination foundry goods state, and determines open time.
Casting machine runs to pickup cleaning station 6, and automatic drawing, completes pickup, cleaning and cooling.
Casting machine automatic die assembly, gets back to casting station 3, starts next round and produces.
Applicant states, above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. the metal mold gravity casting tinuous production that operation is variable, is characterized in that: build an oblate modularization track, and track both sides are semicircle, are called rotary track, and track interrupts, for linear, being called craspedodrome track; Craspedodrome track is modularized design, can regulate arbitrarily its length as required, thus changes the total length of track; Melting, casting, matched moulds, cooling, molding, cleaning process, according to the time required separately, are distributed in the both sides of track in order; Automatic casting machine installing wheel, can walk in orbit; Mould is installed on automatic casting machine, in casting machine walking process, complete casting.
2. metal mold gravity casting tinuous production according to claim 1, is characterized in that: every section of operation required time occupies to station and is directly proportional, and all process steps required time is added up the time into casting machine encloses along track travel one.
3. metal mold gravity casting tinuous production according to claim 1, it is characterized in that: automatic casting machine has the function of automatic die sinking, matched moulds, and communicate with central control system, at suitable die sinking on opportunity, matched moulds, eject foundry goods, coordinate complete operation with each station.
4. metal mold gravity casting tinuous production according to claim 1, is characterized in that: automatic casting machine forward drive mode is for advancing voluntarily or towed advance.
5. metal mold gravity casting tinuous production according to claim 1, it is characterized in that: production line is provided with intermediate detection module, detect the quality, temperature etc. of foundry goods, and by information feed back to centralized control system, system, according to information, adjusts automatic casting machine pace flexibly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648704.XA CN104353824A (en) | 2014-11-15 | 2014-11-15 | Metal mold gravity casting continuous production line with variable processes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648704.XA CN104353824A (en) | 2014-11-15 | 2014-11-15 | Metal mold gravity casting continuous production line with variable processes |
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| Publication Number | Publication Date |
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| CN104353824A true CN104353824A (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410648704.XA Pending CN104353824A (en) | 2014-11-15 | 2014-11-15 | Metal mold gravity casting continuous production line with variable processes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493301A (en) * | 2016-12-29 | 2017-03-15 | 北京天哲消失模铸造技术有限公司 | Intelligent annular sandbox pipeline |
| CN111805102A (en) * | 2020-06-18 | 2020-10-23 | 佛山市宏石激光技术有限公司 | Method for automatically shifting exchange workbench applied to laser cutting machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3964540A (en) * | 1974-01-02 | 1976-06-22 | Abraham Edward D | Molding system |
| ES452561A1 (en) * | 1975-10-31 | 1977-11-01 | Fischer Ag Georg | Chill casting method and apparatus |
| EP0086374A1 (en) * | 1982-01-28 | 1983-08-24 | Cast-Tec Ltd. | Improvements in permanent mould casting systems |
| JPH09314318A (en) * | 1996-05-31 | 1997-12-09 | Hekikai Koki Kk | Metallic mold movable continuous gravity casting line |
| US6216767B1 (en) * | 2000-01-07 | 2001-04-17 | Vulcan Engineering Company, Inc. | Mold handling apparatus |
| US6533022B2 (en) * | 2001-08-10 | 2003-03-18 | Hunter Automated Machinery Corporation | Pouring conveyor for mold handling system |
| CN201815638U (en) * | 2010-10-09 | 2011-05-04 | 罗宏伟 | Air hammer device of chain pig moulding machine |
| CN103212703A (en) * | 2013-03-21 | 2013-07-24 | 南京新方尊自动化设备有限公司 | Metal mold gravity casting production line |
| CN203253889U (en) * | 2013-05-31 | 2013-10-30 | 安徽省宁国市佳华耐磨材料有限责任公司 | Grinding ball pouring complete device |
-
2014
- 2014-11-15 CN CN201410648704.XA patent/CN104353824A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3964540A (en) * | 1974-01-02 | 1976-06-22 | Abraham Edward D | Molding system |
| ES452561A1 (en) * | 1975-10-31 | 1977-11-01 | Fischer Ag Georg | Chill casting method and apparatus |
| EP0086374A1 (en) * | 1982-01-28 | 1983-08-24 | Cast-Tec Ltd. | Improvements in permanent mould casting systems |
| JPH09314318A (en) * | 1996-05-31 | 1997-12-09 | Hekikai Koki Kk | Metallic mold movable continuous gravity casting line |
| US6216767B1 (en) * | 2000-01-07 | 2001-04-17 | Vulcan Engineering Company, Inc. | Mold handling apparatus |
| US6533022B2 (en) * | 2001-08-10 | 2003-03-18 | Hunter Automated Machinery Corporation | Pouring conveyor for mold handling system |
| CN201815638U (en) * | 2010-10-09 | 2011-05-04 | 罗宏伟 | Air hammer device of chain pig moulding machine |
| CN103212703A (en) * | 2013-03-21 | 2013-07-24 | 南京新方尊自动化设备有限公司 | Metal mold gravity casting production line |
| CN203253889U (en) * | 2013-05-31 | 2013-10-30 | 安徽省宁国市佳华耐磨材料有限责任公司 | Grinding ball pouring complete device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493301A (en) * | 2016-12-29 | 2017-03-15 | 北京天哲消失模铸造技术有限公司 | Intelligent annular sandbox pipeline |
| CN106493301B (en) * | 2016-12-29 | 2019-03-01 | 北京天哲消失模铸造技术有限公司 | Intelligent annular sandbox pipeline |
| CN111805102A (en) * | 2020-06-18 | 2020-10-23 | 佛山市宏石激光技术有限公司 | Method for automatically shifting exchange workbench applied to laser cutting machine |
| CN111805102B (en) * | 2020-06-18 | 2021-11-12 | 广东宏石激光技术股份有限公司 | Method for automatically shifting exchange workbench applied to laser cutting machine |
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Application publication date: 20150218 |