CN113118431B - Automatic molding process of large casting - Google Patents
Automatic molding process of large casting Download PDFInfo
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- CN113118431B CN113118431B CN202110455488.7A CN202110455488A CN113118431B CN 113118431 B CN113118431 B CN 113118431B CN 202110455488 A CN202110455488 A CN 202110455488A CN 113118431 B CN113118431 B CN 113118431B
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- sand
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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
- B22D47/02—Casting plants for both moulding and casting
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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
- B22D33/00—Equipment for handling moulds
- B22D33/02—Turning or transposing moulds
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- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses an automatic molding process of a larger casting, which adopts a special molding system and comprises the following steps: firstly, placing a sand box bottom plate on a transfer trolley; secondly, moving the bottom plate of the sand box to a bottom sand station, placing sand and flattening; thirdly, moving the bottom plate of the sand box to a core setting station, and placing the sand core on the bottom sand; fourthly, moving the sand box bottom plate and the sand core to a sand box station, and buckling an empty sand box on the sand box bottom plate; moving the sand box to a deviation rectifying station for rectifying deviation; fifthly, moving the sand box to a sand backing station, placing sand, flattening and pricking air holes; and sixthly, transferring the sand mold to a casting station for casting, cooling and shakeout. The invention realizes the production line of the sand mold and the centralized pouring of the sand mold, improves the molding efficiency and the safety of the casting, does not need a crane in the whole process, reduces the requirements on a factory building and the engineering cost of the factory building, and saves the capital.
Description
Technical Field
The invention relates to the field of casting processing, in particular to an automatic molding process of a large casting.
Background
The casting is a workpiece with certain shape, size and performance obtained by pouring, injecting, sucking or other casting methods of smelted liquid metal into a pre-prepared casting mold, cooling, polishing and other post-treatment processes. The molding process of the casting is an important process in the casting processing process, the existing molding process utilizes manual manufacture of sand molds, manual intervention is more, working efficiency is high, and a crane is utilized to lift molten metal liquid to pour stacked sand molds one by one during pouring. The molding process has the following problems: the crane occupies a large space, and safety accidents such as lifting injury and mechanical injury often occur in the sand mold circulation process, so that potential safety hazards exist; during pouring, the crane has large transportation space, high requirements on a factory building and high construction cost; moreover, the pouring cross-over transportation requires special operators to operate the crane, so that the requirement on the working operation is high; in the pouring process, because the sand mold occupies a large space, the dust removal treatment on the pouring area cannot be carried out, and the human health is harmed.
Disclosure of Invention
The invention aims to provide an automatic molding process of a large casting, which can meet the molding requirement of the large casting by utilizing a transfer trolley to move back and forth between stations without a crane, has high automation degree and improves the molding efficiency of the casting.
In order to achieve the purpose, the invention adopts the following technical scheme:
the automatic molding process of the large casting adopts a special molding system, the molding system comprises a sand core station, a sand box station, a deviation correcting station, a sand mold stacking station and a pouring station which are arranged at intervals from left to right, and a bottom sand station and a back sand station are arranged at intervals on the rear side of the deviation correcting station;
a three-dimensional warehouse for storing the sand cores is arranged on the left side of the sand core station, and the three-dimensional warehouse is provided with a conveying roller way for conveying the sand cores;
the sand core station is provided with a core setting device, the sand box station is provided with a box buckling device, the deviation correcting station is provided with a deviation correcting device, and a sand mixer is arranged between the bottom sand station and the back sand station;
the molding system also comprises a transfer trolley which moves back and forth among the sand core station, the sand box station, the deviation correcting station, the bottom sand station, the back sand station, the sand mould stacking station and the pouring station;
the automatic molding process of the large casting comprises the following steps:
firstly, moving a transfer trolley to a sand box station, lifting a bottom plate of a sand box stored in the sand box station by a box buckling device to a certain height, and then placing the bottom plate on a lifting platform of the transfer trolley;
secondly, after the sand box bottom plate is loaded, the sand box bottom plate moves to a bottom sand station along with a transfer trolley, a mechanical arm of the sand mixer rotates to the bottom sand station, a sand outlet of the sand mixer is positioned above the sand box bottom plate, the sand mixer releases sand, and the bottom sand on the sand box bottom plate is flattened after the sand release is finished;
thirdly, moving the bottom plate of the sand box on which the bottom sand is spread to a core setting station by using a transfer trolley, and grabbing the sand core on a conveying roller bed by a core setting device and placing the sand core on the spread bottom sand;
fourthly, after the sand core is placed in place, the sand box bottom plate and the sand core are moved to a sand box station by a transfer trolley, and a box buckling device of the sand box station grabs an empty sand box and buckles the empty sand box on the sand box bottom plate; then, conveying the buckled sand box bottom plate and the sand box to a deviation correcting station by using a transfer trolley, and positioning the sand box by using a deviation correcting device;
fifthly, after the sand box is positioned, the positioned sand box is moved to a sand backing station by a transfer trolley, a mechanical arm of the sand mixer rotates to the sand backing station, a sand outlet of the sand mixer is positioned above the sand box, the sand mixer discharges sand, air holes are punched after manual or mechanical flattening, and then the manufactured sand mould is conveyed to a sand mould stacking area by the transfer trolley;
and sixthly, when the casting machine of the casting station is idle, the transfer trolley transfers the sand mold stacked in the sand box stacking area to the casting station, the casting machine is used for casting molten metal into the sand mold, and after the molten metal is cooled, shakeout is carried out, so that the molding operation of the large casting is completed.
In a preferred embodiment of the present invention, the sand mixer is a double-arm continuous type sand mixer.
In a preferred embodiment of the invention, the transfer vehicle is an RGV wheel change vehicle.
The invention has the advantages that the transfer trolley can move back and forth between each station, the production line of the sand mould and the centralized pouring of the sand mould are realized, the automation degree is high, the molding efficiency and the safety of the casting are improved, a crane is not needed in the whole process, the requirements on a factory building and the engineering cost of the factory building are reduced, and the capital is saved; meanwhile, the sand mold can be conveyed to a casting machine in a centralized manner by using a transfer trolley in the whole casting process, so that centralized casting is realized, the casting station can be subjected to dust removal treatment in the casting process, the emission of harmful smoke and dust is reduced, and the environment is protected.
According to the sand mold manufacturing method, the sand mixer is used as a center, the bottom sand station, the back sand station, the core setting station, the box buckling station and the like are arranged in an annular mode, and the transfer trolley can move back and forth among the stations, so that automatic transfer is realized, the automation degree is high, and manpower is saved; the transfer of the transfer trolley at each station is not influenced mutually, the assembly line operation of the sand mold is realized, and the utilization rate of each device is improved.
Drawings
FIG. 1 is a diagram of the apparatus layout of the present invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in figure 1, the automatic molding process of the large casting adopts a special molding system, the special molding system comprises a core setting station, a box buckling station, a deviation correcting station, a sand mold stacking station and a pouring station which are arranged from left to right at intervals, a bottom sand station 1 and a back sand station 2 are arranged at intervals on the rear side of the deviation correcting station, and the automatic molding process further comprises a transfer vehicle which freely moves back and forth between the core setting station, the box buckling station, the deviation correcting station, the bottom sand station 1 and the back sand station 2, and between the sand mold stacking station and the pouring station, the transfer vehicle preferably selects an RGV wheel changing vehicle, and the RGV wheel changing vehicle 3 freely moves back and forth along a criss-cross running track of a workshop during actual work, so that the free transfer of sand molds is realized, and the automation degree is improved;
a three-dimensional warehouse 4 for storing sand cores is arranged on the left side of the core setting station, a conveying roller way 5 is arranged between the three-dimensional warehouse 4 and the core setting station, and the sand cores in the three-dimensional warehouse 4 are conveyed to the joint position of the core setting station by the conveying roller way 5 so as to meet the delivery requirement of the sand cores;
the core setting station is provided with a core setting device 6 which can grab the sand core on the conveying roller table 5 and install the sand core on the bottom plate of the sand box where the bottom sand is spread in a positioning way, so as to realize the positioning and placement of the sand core; the box buckling station is provided with a box buckling device 7 (a commercially available product), can grab and place the sand box bottom plate of the box buckling station on the RGV alternate vehicle 3, and can grab and lift an empty sand box and buckle the empty sand box on the sand box bottom plate after core setting; the deviation correcting station is provided with a deviation correcting device 8 which can correct the posture of the sand box and ensure the positioning precision of the bottom plate of the sand box and the RGV alternate vehicle 3; a sand mixer 9 (a double-arm continuous sand mixer 9) is arranged between the bottom sand station 1 and the back sand station 2, and a sand outlet of the sand mixer 9 can not only rotate to the bottom sand station 1, but also be transferred to the back sand station 2; the pouring station is provided with a pouring machine 10, the pouring machine is automatic pouring, centralized pouring of the sand mold is achieved, the pouring stations can be independently separated, dust removal is facilitated, and environmental pollution is reduced.
The method for modeling by adopting the casting ground modeling system comprises the following steps:
firstly, moving the RGV wheel changing vehicle 3 to a box buckling station along an operation track of a workshop, lifting a sand box bottom plate stored in the box buckling station by a box buckling device 7, and then placing the sand box bottom plate on a lifting platform of the RGV wheel changing vehicle;
secondly, after the sand box bottom plate is loaded, the sand box bottom plate moves to a bottom sand station 1 along with the RGV alternate vehicle 3, a mechanical arm of the sand mixer 9 rotates to the bottom sand station 1, a sand outlet of the sand mixer 9 is ensured to be positioned above the sand box bottom plate, the sand mixer 9 releases sand, and after the sand release is finished, bottom sand on the sand box bottom plate is flattened manually;
thirdly, moving the bottom plate of the sand box on which the bottom sand is spread to a core setting station by using an RGV wheel changing vehicle, and grabbing the sand core on a conveying roller table 5 by a core setting device 6 and placing the sand core on the spread bottom sand;
fourthly, after the sand core is placed in place, the sand box bottom plate and the sand core are moved to a box buckling station by an RGV alternate vehicle 3, and a box buckling device 7 grabs an empty sand box and buckles the empty sand box on the sand box bottom plate; then, the RGV wheel changing vehicle 3 is used for conveying the sand box bottom plate and the sand box which are buckled together to a deviation rectifying station, a deviation rectifying device 8 is used for positioning the sand box, the posture of the sand box is adjusted, and the positioning accuracy of the sand box bottom plate and the RGV wheel changing vehicle in the following steps is improved;
fifthly, after the sand box is positioned, the positioned sand box is moved to a sand backing station 2 by a transfer vehicle, a mechanical arm of a sand mixer 9 is rotated to the sand backing station 2, a sand outlet of the sand mixer 9 is positioned above the sand box, the sand mixer 9 discharges sand, air holes are punched after manual or mechanical flattening, and then the manufactured sand mould is conveyed to a sand mould stacking area by the transfer vehicle;
sixthly, when a casting machine of the casting station is idle, the RGV alternate vehicle 3 transfers the sand mould to be cast stacked in the sand box stacking area to the casting station, and the casting machine automatically casts molten metal into the sand mould; and then conveying the poured sand mold to a sand mold storage area again by using an RGV wheel changing vehicle for cooling, and performing shakeout after the metal liquid is cooled to finish the molding operation of the casting.
It should be emphasized that the above-described embodiments are merely exemplary embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications, substitutions, improvements, etc. within the technical scope of the present invention, and these modifications and improvements should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. An automatic molding process of a large casting is characterized in that: a special molding system is adopted, the molding system comprises a sand core station, a sand box station, a deviation correcting station, a sand mold stacking station and a pouring station which are arranged at intervals from left to right, and a bottom sand station and a back sand station are arranged at intervals on the right side of the deviation correcting station;
a three-dimensional warehouse for storing the sand cores is arranged on the left side of the sand core station, and the three-dimensional warehouse is provided with a conveying roller way for conveying the sand cores;
the sand core station is provided with a core setting device, the sand box station is provided with a box buckling device, the deviation correcting station is provided with a deviation correcting device, and a sand mixer is arranged between the bottom sand station and the back sand station;
the molding system also comprises a transfer trolley which moves back and forth among the sand core station, the sand box station, the deviation correcting station, the bottom sand station, the back sand station, the sand mould stacking station and the pouring station;
the automatic molding process of the large casting comprises the following steps:
firstly, moving a transfer trolley to a sand box station, lifting a bottom plate of a sand box stored in the sand box station by a box buckling device to a certain height, and then placing the bottom plate on a lifting platform of the transfer trolley;
secondly, after the sand box bottom plate is loaded, the sand box bottom plate moves to a bottom sand station along with a transfer trolley, a mechanical arm of the sand mixer rotates to the bottom sand station, a sand outlet of the sand mixer is positioned above the sand box bottom plate, the sand mixer releases sand, and the bottom sand on the sand box bottom plate is flattened after the sand release is finished;
thirdly, moving the bottom plate of the sand box on which the bottom sand is spread to a core setting station by using a transfer trolley, and grabbing the sand core on a conveying roller bed by a core setting device and placing the sand core on the spread bottom sand;
fourthly, after the sand core is placed in place, the sand box bottom plate and the sand core are moved to a sand box station by a transfer trolley, and a box buckling device of the sand box station grabs an empty sand box and buckles the empty sand box on the sand box bottom plate; then, conveying the buckled sand box bottom plate and the sand box to a deviation correcting station by using a transfer trolley, and positioning the sand box by using a deviation correcting device;
fifthly, after the sand box is positioned, the positioned sand box is moved to a sand backing station by a transfer trolley, a mechanical arm of the sand mixer rotates to the sand backing station, a sand outlet of the sand mixer is positioned above the sand box, the sand mixer discharges sand, air holes are punched after manual or mechanical flattening, and then the manufactured sand mould is conveyed to a sand mould stacking area by the transfer trolley;
and sixthly, when the casting machine of the casting station is idle, the transfer trolley transfers the sand mould stacked in the sand box stacking area to the casting station, the casting machine is used for casting molten metal into the sand mould, and the sand is dropped after the molten metal is cooled, so that the molding operation of the large casting is completed.
2. The automated modeling process of a larger casting of claim 1, wherein: the sand mixer is a double-arm continuous sand mixer.
3. The automated modeling process of a larger casting of claim 1, wherein: the transfer trolley is an RGV wheel-change trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455488.7A CN113118431B (en) | 2021-04-26 | 2021-04-26 | Automatic molding process of large casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455488.7A CN113118431B (en) | 2021-04-26 | 2021-04-26 | Automatic molding process of large casting |
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| Publication Number | Publication Date |
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| CN113118431A CN113118431A (en) | 2021-07-16 |
| CN113118431B true CN113118431B (en) | 2022-07-19 |
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| CN202110455488.7A Active CN113118431B (en) | 2021-04-26 | 2021-04-26 | Automatic molding process of large casting |
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| DE1962131B1 (en) * | 1969-12-11 | 1971-10-28 | Badische Maschf Gmbh | Automatic molding plant and operating procedures for this |
| DE20320923U1 (en) * | 2003-12-19 | 2005-06-09 | Hydro Aluminium Alucast Gmbh | Production of light metal castings, especially engine blocks, comprises forming mold cores, mounting them in molds, casting, cooling castings in mold and removing castings at rate determined by core production rate |
| JP2007301608A (en) * | 2006-05-12 | 2007-11-22 | Sintokogio Ltd | Conveying equipment for casting mold and molding equipment for casting mold using the same |
| JP2009214138A (en) * | 2008-03-11 | 2009-09-24 | Sintokogio Ltd | Facility and method for sand mold press casting |
| CN201807705U (en) * | 2010-10-09 | 2011-04-27 | 丹阳市万隆铸造有限公司 | Moulding line for foundry casting |
| CN203917833U (en) * | 2014-05-16 | 2014-11-05 | 中工国际工程股份有限公司 | A kind of full-automatic casting moulding and regenerating used production line |
| CN207806615U (en) * | 2018-01-12 | 2018-09-04 | 河北北方铸业有限公司 | A kind of automatic continuous foundry production line of casting |
| CN109226699B (en) * | 2018-10-24 | 2021-06-22 | 共享智能铸造产业创新中心有限公司 | Sand box molding line and working method thereof |
| CN209318779U (en) * | 2018-11-08 | 2019-08-30 | 安徽新宁装备股份有限公司 | Foundry production line |
| CN109202057A (en) * | 2018-11-08 | 2019-01-15 | 安徽新宁装备股份有限公司 | A kind of foundry production line |
| CN209363570U (en) * | 2018-12-19 | 2019-09-10 | 天津昌昊实业有限公司 | A kind of coal dust sand production technology production line |
| CN110039038A (en) * | 2019-05-13 | 2019-07-23 | 安徽新宁装备股份有限公司 | A kind of foundry production line |
| CN110369705A (en) * | 2019-08-08 | 2019-10-25 | 襄阳金耐特机械股份有限公司 | Precoated sand casting production line |
| CN111151739A (en) * | 2020-02-27 | 2020-05-15 | 安徽新宁装备股份有限公司 | Casting forming production line |
| CN212217020U (en) * | 2020-04-18 | 2020-12-25 | 天津三合智能装备制造有限公司 | V method casting intelligent production line |
| CN111702153A (en) * | 2020-07-20 | 2020-09-25 | 安徽新宁装备股份有限公司 | Movable casting production line for lifting of iron weights |
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